<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<xsd:schema attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.firstindustrial.com/20191231" xmlns:fr="http://www.firstindustrial.com/20191231" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <xsd:import namespace="http://fasb.org/srt-types/2019-01-31" schemaLocation="http://xbrl.fasb.org/srt/2019/elts/srt-types-2019-01-31.xsd" />
  <xsd:import namespace="http://fasb.org/srt/2019-01-31" schemaLocation="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd" />
  <xsd:import namespace="http://fasb.org/us-gaap/2019-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd" />
  <xsd:import namespace="http://fasb.org/us-roles/2019-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2019/elts/us-roles-2019-01-31.xsd" />
  <xsd:import namespace="http://fasb.org/us-types/2019-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2019/elts/us-types-2019-01-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/arcrole/fact-explanatoryFact" schemaLocation="http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/role/net" schemaLocation="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" />
  <xsd:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/country/2017-01-31" schemaLocation="https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/currency/2019-01-31" schemaLocation="https://xbrl.sec.gov/currency/2019/currency-2019-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/dei/2019-01-31" schemaLocation="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/exch/2019-01-31" schemaLocation="https://xbrl.sec.gov/exch/2019/exch-2019-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/invest/2013-01-31" schemaLocation="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/naics/2017-01-31" schemaLocation="http://xbrl.sec.gov/naics/2017/naics-2017-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/sic/2011-01-31" schemaLocation="http://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/stpr/2018-01-31" schemaLocation="https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd" />
  <xsd:annotation>
    <xsd:appinfo>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="fr-20191231_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="fr-20191231_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="fr-20191231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="fr-20191231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple" />
      <link:roleType id="AccumulatedOtherComprehensiveIncomeAdditionalInformationDetails" roleURI="http://www.firstindustrial.com/role/AccumulatedOtherComprehensiveIncomeAdditionalInformationDetails">
        <link:definition>2410404 - Disclosure - Accumulated Other Comprehensive Income - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccumulatedOtherComprehensiveIncomeAmountsReclassifiedFromAociDetails" roleURI="http://www.firstindustrial.com/role/AccumulatedOtherComprehensiveIncomeAmountsReclassifiedFromAociDetails">
        <link:definition>2410403 - Disclosure - Accumulated Other Comprehensive Income (Amounts Reclassified from AOCI) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccumulatedOtherComprehensiveIncomeChangesInAociDetails" roleURI="http://www.firstindustrial.com/role/AccumulatedOtherComprehensiveIncomeChangesInAociDetails">
        <link:definition>2410402 - Disclosure - Accumulated Other Comprehensive Income (Changes in AOCI) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccumulatedOtherComprehensiveIncomeLoss" roleURI="http://www.firstindustrial.com/role/AccumulatedOtherComprehensiveIncomeLoss">
        <link:definition>2110100 - Disclosure - Accumulated Other Comprehensive Income (Loss)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AccumulatedOtherComprehensiveIncomeTables" roleURI="http://www.firstindustrial.com/role/AccumulatedOtherComprehensiveIncomeTables">
        <link:definition>2310301 - Disclosure - Accumulated Other Comprehensive Income (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsAndContingencies" roleURI="http://www.firstindustrial.com/role/CommitmentsAndContingencies">
        <link:definition>2127100 - Disclosure - Commitments and Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsAndContingenciesAdditionalInformationDetails" roleURI="http://www.firstindustrial.com/role/CommitmentsAndContingenciesAdditionalInformationDetails">
        <link:definition>2427401 - Disclosure - Commitments and Contingencies - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedBalanceSheets" roleURI="http://www.firstindustrial.com/role/ConsolidatedBalanceSheets">
        <link:definition>1001000 - Statement - CONSOLIDATED BALANCE SHEETS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedBalanceSheetsParenthetical" roleURI="http://www.firstindustrial.com/role/ConsolidatedBalanceSheetsParenthetical">
        <link:definition>1001501 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementOfChangesInStockholdersEquityPartnersCapital" roleURI="http://www.firstindustrial.com/role/ConsolidatedStatementOfChangesInStockholdersEquityPartnersCapital">
        <link:definition>1004000 - Statement - CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS EQUITY/ PARTNER'S CAPITAL</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementOfChangesInStockholdersEquityPartnersCapitalConsolidatedStatementOfChangesInStockholdersEquityPartnersCapitalParenthetical" roleURI="http://www.firstindustrial.com/role/ConsolidatedStatementOfChangesInStockholdersEquityPartnersCapitalConsolidatedStatementOfChangesInStockholdersEquityPartnersCapitalParenthetical">
        <link:definition>1004001 - Statement - CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS EQUITY / PARTNERS' CAPITAL CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY / PARTNERS' CAPITAL (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsOfCashFlows" roleURI="http://www.firstindustrial.com/role/ConsolidatedStatementsOfCashFlows">
        <link:definition>1005000 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsOfComprehensiveIncome" roleURI="http://www.firstindustrial.com/role/ConsolidatedStatementsOfComprehensiveIncome">
        <link:definition>1003000 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsOfOperations" roleURI="http://www.firstindustrial.com/role/ConsolidatedStatementsOfOperations">
        <link:definition>1002000 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Derivatives" roleURI="http://www.firstindustrial.com/role/Derivatives">
        <link:definition>2124100 - Disclosure - Derivatives</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativesAdditionalInformationDetails" roleURI="http://www.firstindustrial.com/role/DerivativesAdditionalInformationDetails">
        <link:definition>2424402 - Disclosure - Derivatives - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativesFairValueMeasurementsOnRecurringBasisDetails" roleURI="http://www.firstindustrial.com/role/DerivativesFairValueMeasurementsOnRecurringBasisDetails">
        <link:definition>2424403 - Disclosure - Derivatives - Fair Value Measurements on Recurring Basis (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativesTables" roleURI="http://www.firstindustrial.com/role/DerivativesTables">
        <link:definition>2324301 - Disclosure - Derivatives (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DocumentAndEntityInformation" roleURI="http://www.firstindustrial.com/role/DocumentAndEntityInformation">
        <link:definition>0001000 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerShareUnitEpsEpu" roleURI="http://www.firstindustrial.com/role/EarningsPerShareUnitEpsEpu">
        <link:definition>2111100 - Disclosure - Earnings Per Share / Unit (EPS / EPU)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerShareUnitEpsEpuAdditionalInformationDetails" roleURI="http://www.firstindustrial.com/role/EarningsPerShareUnitEpsEpuAdditionalInformationDetails">
        <link:definition>2411403 - Disclosure - Earnings Per Share / Unit (EPS / EPU) - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerShareUnitEpsEpuComputationOfBasicAndDilutedEpsEpuDetails" roleURI="http://www.firstindustrial.com/role/EarningsPerShareUnitEpsEpuComputationOfBasicAndDilutedEpsEpuDetails">
        <link:definition>2411402 - Disclosure - Earnings Per Share / Unit (EPS / EPU) - Computation of Basic and Diluted EPS / EPU (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerShareUnitEpsEpuTables" roleURI="http://www.firstindustrial.com/role/EarningsPerShareUnitEpsEpuTables">
        <link:definition>2311301 - Disclosure - Earnings Per Share / Unit (EPS / EPU) (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxes" roleURI="http://www.firstindustrial.com/role/IncomeTaxes">
        <link:definition>2113100 - Disclosure - Income Taxes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesComponentsOfIncomeTaxBenefitProvisionDetails" roleURI="http://www.firstindustrial.com/role/IncomeTaxesComponentsOfIncomeTaxBenefitProvisionDetails">
        <link:definition>2413402 - Disclosure - Income Taxes - Components of Income Tax Benefit (Provision) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesDeferredTaxAssetsLiabilitiesDetails" roleURI="http://www.firstindustrial.com/role/IncomeTaxesDeferredTaxAssetsLiabilitiesDetails">
        <link:definition>2413403 - Disclosure - Income Taxes - Deferred Tax Assets (Liabilities) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails" roleURI="http://www.firstindustrial.com/role/IncomeTaxesEffectiveIncomeTaxRateReconciliationDetails">
        <link:definition>2413404 - Disclosure - Income Taxes - Effective Income Tax Rate Reconciliation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesFederalIncomeTaxTreatmentOfCommonDividendsDetails" roleURI="http://www.firstindustrial.com/role/IncomeTaxesFederalIncomeTaxTreatmentOfCommonDividendsDetails">
        <link:definition>2413405 - Disclosure - Income Taxes - Federal Income Tax Treatment of Common Dividends (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxesTables" roleURI="http://www.firstindustrial.com/role/IncomeTaxesTables">
        <link:definition>2313301 - Disclosure - Income Taxes (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Indebtedness" roleURI="http://www.firstindustrial.com/role/Indebtedness">
        <link:definition>2106100 - Disclosure - Indebtedness</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IndebtednessAdditionalInformationDetails" roleURI="http://www.firstindustrial.com/role/IndebtednessAdditionalInformationDetails">
        <link:definition>2406403 - Disclosure - Indebtedness - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IndebtednessScheduleOfMaturitiesDetails" roleURI="http://www.firstindustrial.com/role/IndebtednessScheduleOfMaturitiesDetails">
        <link:definition>2406404 - Disclosure - Indebtedness - Schedule of Maturities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IndebtednessSummaryOfIndebtednessAtEstimatedFairValueDetails" roleURI="http://www.firstindustrial.com/role/IndebtednessSummaryOfIndebtednessAtEstimatedFairValueDetails">
        <link:definition>2406405 - Disclosure - Indebtedness - Summary of Indebtedness at Estimated Fair Value (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IndebtednessSummaryOfIndebtednessDetails" roleURI="http://www.firstindustrial.com/role/IndebtednessSummaryOfIndebtednessDetails">
        <link:definition>2406402 - Disclosure - Indebtedness - Summary of Indebtedness (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IndebtednessTables" roleURI="http://www.firstindustrial.com/role/IndebtednessTables">
        <link:definition>2306301 - Disclosure - Indebtedness (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentInRealEstate" roleURI="http://www.firstindustrial.com/role/InvestmentInRealEstate">
        <link:definition>2104100 - Disclosure - Investment in Real Estate</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentInRealEstateAdditionalInformationDetails" roleURI="http://www.firstindustrial.com/role/InvestmentInRealEstateAdditionalInformationDetails">
        <link:definition>2404402 - Disclosure - Investment in Real Estate - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentInRealEstateInestmentInRealEstateSummaryOfIndustrialPropertyDispositionsDetails" roleURI="http://www.firstindustrial.com/role/InvestmentInRealEstateInestmentInRealEstateSummaryOfIndustrialPropertyDispositionsDetails">
        <link:definition>2404405 - Disclosure - Investment in Real Estate Inestment in Real Estate - Summary of Industrial Property Dispositions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentInRealEstateInvestmentInRealEstateSummaryOfIndustrialPropertyAcquisitionsDetails" roleURI="http://www.firstindustrial.com/role/InvestmentInRealEstateInvestmentInRealEstateSummaryOfIndustrialPropertyAcquisitionsDetails">
        <link:definition>2404403 - Disclosure - Investment in Real Estate Investment in Real Estate - Summary of Industrial Property Acquisitions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentInRealEstateSummaryOfAcquisitionPurchasePriceAllocationDetails" roleURI="http://www.firstindustrial.com/role/InvestmentInRealEstateSummaryOfAcquisitionPurchasePriceAllocationDetails">
        <link:definition>2404404 - Disclosure - Investment in Real Estate - Summary of Acquisition Purchase Price Allocation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentInRealEstateTables" roleURI="http://www.firstindustrial.com/role/InvestmentInRealEstateTables">
        <link:definition>2304301 - Disclosure - Investment in Real Estate (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Leases" roleURI="http://www.firstindustrial.com/role/Leases">
        <link:definition>2118100 - Disclosure - Leases</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesTables" roleURI="http://www.firstindustrial.com/role/LeasesTables">
        <link:definition>2318301 - Disclosure - Leases (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LesseeDisclosuresDetails" roleURI="http://www.firstindustrial.com/role/LesseeDisclosuresDetails">
        <link:definition>2418402 - Disclosure - Lessee Disclosures (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LesseeDisclosuresOperatingLeasesDetails" roleURI="http://www.firstindustrial.com/role/LesseeDisclosuresOperatingLeasesDetails">
        <link:definition>2418403 - Disclosure - Lessee Disclosures - Operating Leases (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LessorDisclosuresDetails" roleURI="http://www.firstindustrial.com/role/LessorDisclosuresDetails">
        <link:definition>2418405 - Disclosure - Lessor Disclosures (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LessorDisclosuresFutureMinimumRentalReceiptsDetails" roleURI="http://www.firstindustrial.com/role/LessorDisclosuresFutureMinimumRentalReceiptsDetails">
        <link:definition>2418404 - Disclosure - Lessor Disclosures - Future Minimum Rental Receipts (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermCompensation" roleURI="http://www.firstindustrial.com/role/LongTermCompensation">
        <link:definition>2123100 - Disclosure - Long-Term Compensation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermCompensationAdditionalInformationDetails" roleURI="http://www.firstindustrial.com/role/LongTermCompensationAdditionalInformationDetails">
        <link:definition>2423402 - Disclosure - Long-Term Compensation - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermCompensationLtipUnitAwardValuationAssumptionsDetails" roleURI="http://www.firstindustrial.com/role/LongTermCompensationLtipUnitAwardValuationAssumptionsDetails">
        <link:definition>2423403 - Disclosure - Long-Term Compensation - LTIP Unit Award Valuation Assumptions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermCompensationSummaryOfRestrictedStockUnitAwardAndLtipUnitAwardTransactionsDetails" roleURI="http://www.firstindustrial.com/role/LongTermCompensationSummaryOfRestrictedStockUnitAwardAndLtipUnitAwardTransactionsDetails">
        <link:definition>2423404 - Disclosure - Long-Term Compensation - Summary of Restricted Stock/Unit Award and LTIP Unit Award Transactions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LongTermCompensationTables" roleURI="http://www.firstindustrial.com/role/LongTermCompensationTables">
        <link:definition>2323301 - Disclosure - Long-Term Compensation (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Organization" roleURI="http://www.firstindustrial.com/role/Organization">
        <link:definition>2101100 - Disclosure - Organization</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OrganizationAdditionalInformationDetails" roleURI="http://www.firstindustrial.com/role/OrganizationAdditionalInformationDetails">
        <link:definition>2401401 - Disclosure - Organization - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="QuarterlyFinancialInformationUnaudited" roleURI="http://www.firstindustrial.com/role/QuarterlyFinancialInformationUnaudited">
        <link:definition>2129100 - Disclosure - Quarterly Financial Information (unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="QuarterlyFinancialInformationUnauditedNetIncomeAvailableAndBasicAndDilutedEpsEpuDetails" roleURI="http://www.firstindustrial.com/role/QuarterlyFinancialInformationUnauditedNetIncomeAvailableAndBasicAndDilutedEpsEpuDetails">
        <link:definition>2429402 - Disclosure - Quarterly Financial Information (unaudited) - Net Income Available and Basic and Diluted EPS/EPU (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="QuarterlyFinancialInformationUnauditedTables" roleURI="http://www.firstindustrial.com/role/QuarterlyFinancialInformationUnauditedTables">
        <link:definition>2329301 - Disclosure - Quarterly Financial Information (unaudited) (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedPartyTransactions" roleURI="http://www.firstindustrial.com/role/RelatedPartyTransactions">
        <link:definition>2125100 - Disclosure - Related Party Transactions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedPartyTransactionsAdditionalInformationDetails" roleURI="http://www.firstindustrial.com/role/RelatedPartyTransactionsAdditionalInformationDetails">
        <link:definition>2425401 - Disclosure - Related Party Transactions - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ScheduleIiiRealEstateAndAccumulatedDepreciation" roleURI="http://www.firstindustrial.com/role/ScheduleIiiRealEstateAndAccumulatedDepreciation">
        <link:definition>2130100 - Disclosure - Schedule III: Real Estate and Accumulated Depreciation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ScheduleIiiRealEstateAndAccumulatedDepreciationAdditionalInformationDetails" roleURI="http://www.firstindustrial.com/role/ScheduleIiiRealEstateAndAccumulatedDepreciationAdditionalInformationDetails">
        <link:definition>2430403 - Disclosure - Schedule III: Real Estate and Accumulated Depreciation - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ScheduleIiiRealEstateAndAccumulatedDepreciationDetails" roleURI="http://www.firstindustrial.com/role/ScheduleIiiRealEstateAndAccumulatedDepreciationDetails">
        <link:definition>2430401 - Schedule - Schedule III: Real Estate and Accumulated Depreciation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ScheduleIiiRealEstateAndAccumulatedDepreciationDetailsCalc2" roleURI="http://www.firstindustrial.com/role/ScheduleIiiRealEstateAndAccumulatedDepreciationDetailsCalc2">
        <link:definition>2430401 - Schedule - Schedule III: Real Estate and Accumulated Depreciation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ScheduleIiiRealEstateAndAccumulatedDepreciationParentheticalDetails" roleURI="http://www.firstindustrial.com/role/ScheduleIiiRealEstateAndAccumulatedDepreciationParentheticalDetails">
        <link:definition>2430402 - Schedule - Schedule III: Real Estate and Accumulated Depreciation (Parenthetical) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquityOfCompanyAndPartnersCapitalOfOperatingPartnership" roleURI="http://www.firstindustrial.com/role/StockholdersEquityOfCompanyAndPartnersCapitalOfOperatingPartnership">
        <link:definition>2108100 - Disclosure - Stockholders&#8217; Equity of the Company and Partners' Capital of the Operating Partnership</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquityOfCompanyAndPartnersCapitalOfOperatingPartnershipAdditionalInformationDetails" roleURI="http://www.firstindustrial.com/role/StockholdersEquityOfCompanyAndPartnersCapitalOfOperatingPartnershipAdditionalInformationDetails">
        <link:definition>2408402 - Disclosure - Stockholders&#8217; Equity of the Company and Partners' Capital of the Operating Partnership  - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquityOfCompanyAndPartnersCapitalOfOperatingPartnershipCommonStockAndUnitsRollForwardDetails" roleURI="http://www.firstindustrial.com/role/StockholdersEquityOfCompanyAndPartnersCapitalOfOperatingPartnershipCommonStockAndUnitsRollForwardDetails">
        <link:definition>2408403 - Disclosure - Stockholders&#8217; Equity of the Company and Partners' Capital of the Operating Partnership  - Common Stock and Units Roll-Forward (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquityOfCompanyAndPartnersCapitalOfOperatingPartnershipSummaryOfDividendsDistributionsDetails" roleURI="http://www.firstindustrial.com/role/StockholdersEquityOfCompanyAndPartnersCapitalOfOperatingPartnershipSummaryOfDividendsDistributionsDetails">
        <link:definition>2408404 - Disclosure - Stockholders&#8217; Equity of the Company and Partners' Capital of the Operating Partnership  - Summary of Dividends/Distributions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StockholdersEquityOfCompanyAndPartnersCapitalOfOperatingPartnershipTables" roleURI="http://www.firstindustrial.com/role/StockholdersEquityOfCompanyAndPartnersCapitalOfOperatingPartnershipTables">
        <link:definition>2308301 - Disclosure - Stockholders&#8217; Equity of the Company and Partners' Capital of the Operating Partnership (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubsequentEvents" roleURI="http://www.firstindustrial.com/role/SubsequentEvents">
        <link:definition>2128100 - Disclosure - Subsequent Events</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubsequentEventsAdditionalInformationDetails" roleURI="http://www.firstindustrial.com/role/SubsequentEventsAdditionalInformationDetails">
        <link:definition>2428401 - Disclosure - Subsequent Events - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPolicies" roleURI="http://www.firstindustrial.com/role/SummaryOfSignificantAccountingPolicies">
        <link:definition>2103100 - Disclosure - Summary of Significant Accounting Policies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesAdditionalInformationDetails" roleURI="http://www.firstindustrial.com/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetails">
        <link:definition>2403403 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesFutureAmortizationExpenseRelatedToDeferredLeasingIntangiblesDetails" roleURI="http://www.firstindustrial.com/role/SummaryOfSignificantAccountingPoliciesFutureAmortizationExpenseRelatedToDeferredLeasingIntangiblesDetails">
        <link:definition>2403407 - Disclosure - Summary of Significant Accounting Policies - Future Amortization Expense Related to Deferred Leasing Intangibles (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesPolicies" roleURI="http://www.firstindustrial.com/role/SummaryOfSignificantAccountingPoliciesPolicies">
        <link:definition>2203201 - Disclosure - Summary of Significant Accounting Policies (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesSummaryOfDeferredLeasingIntangiblesDetails" roleURI="http://www.firstindustrial.com/role/SummaryOfSignificantAccountingPoliciesSummaryOfDeferredLeasingIntangiblesDetails">
        <link:definition>2403405 - Disclosure - Summary of Significant Accounting Policies - Summary of Deferred Leasing Intangibles (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesSummaryOfDeferredLeasingIntangiblesPhantomsDetails" roleURI="http://www.firstindustrial.com/role/SummaryOfSignificantAccountingPoliciesSummaryOfDeferredLeasingIntangiblesPhantomsDetails">
        <link:definition>2403406 - Disclosure - Summary of Significant Accounting Policies - Summary of Deferred Leasing Intangibles (Phantoms) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesTables" roleURI="http://www.firstindustrial.com/role/SummaryOfSignificantAccountingPoliciesTables">
        <link:definition>2303302 - Disclosure - Summary of Significant Accounting Policies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SummaryOfSignificantAccountingPoliciesUsefulLivesOfDepreciableAssetsDetails" roleURI="http://www.firstindustrial.com/role/SummaryOfSignificantAccountingPoliciesUsefulLivesOfDepreciableAssetsDetails">
        <link:definition>2403404 - Disclosure - Summary of Significant Accounting Policies - Useful Lives of Depreciable Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="VariableInterestEntities" roleURI="http://www.firstindustrial.com/role/VariableInterestEntities">
        <link:definition>2107100 - Disclosure - Variable Interest Entities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="VariableInterestEntitiesSummarizedBalanceSheetDetails" roleURI="http://www.firstindustrial.com/role/VariableInterestEntitiesSummarizedBalanceSheetDetails">
        <link:definition>2407402 - Disclosure - Variable Interest Entities - Summarized Balance Sheet (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="VariableInterestEntitiesTables" roleURI="http://www.firstindustrial.com/role/VariableInterestEntitiesTables">
        <link:definition>2307301 - Disclosure - Variable Interest Entities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="VariableInterestEntitiesVariableInterestEntitiesAdditionalInformationDetails" roleURI="http://www.firstindustrial.com/role/VariableInterestEntitiesVariableInterestEntitiesAdditionalInformationDetails">
        <link:definition>2407403 - Disclosure - Variable Interest Entities Variable Interest Entities - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:element abstract="true" id="fr_AboveAndBelowMarketLeasesMember" name="AboveAndBelowMarketLeasesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_AccumulatedOtherComprehensiveLossAbstract" name="AccumulatedOtherComprehensiveLossAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_AcquisitionActivityMember" name="AcquisitionActivityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_AggregateGrossSaleProceeds" name="AggregateGrossSaleProceeds" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="fr_AssumedMortgageMember" name="AssumedMortgageMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_AtmMember" name="AtmMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_BuildingNetOfAccumulatedDepreciation" name="BuildingNetOfAccumulatedDepreciation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="fr_CapitalGainPerShare" name="CapitalGainPerShare" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_CapitalGainasPercentageofDistributions" name="CapitalGainasPercentageofDistributions" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_CommonDistributionsPercentage" name="CommonDistributionsPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_DeferredTaxAssetsInterestLimitation" name="DeferredTaxAssetsInterestLimitation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="fr_DevelopmentActivityMember" name="DevelopmentActivityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_DispositionActivityMember" name="DispositionActivityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_DispositionwithImpairmentActivityMember" name="DispositionwithImpairmentActivityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EightEightZeroZeroCityParkLookEastMember" name="EightEightZeroZeroCityParkLookEastMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EightFiveSevenTwoSpectrumLaneMember" name="EightFiveSevenTwoSpectrumLaneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EightFiveZeroChicagoRoadMember" name="EightFiveZeroChicagoRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EightFiveZeroFiveFiftyThStreetMember" name="EightFiveZeroFiveFiftyThStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EightFiveZeroFiveNLoopEastMember" name="EightFiveZeroFiveNLoopEastMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EightHundredBusinessCenterDriveMember" name="EightHundredBusinessCenterDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EightOneEightOneDarrowRoadMember" name="EightOneEightOneDarrowRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EightOneParagonDriveMember" name="EightOneParagonDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EightOneSixOneOneOneStreetMember" name="EightOneSixOneOneOneStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EightSevenFiveOneSkinnerCourtMember" name="EightSevenFiveOneSkinnerCourtMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EightSevenOneSixWLudlowDriveMember" name="EightSevenOneSixWLudlowDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EightSevenTwoFiveThirtyFirstStreetMember" name="EightSevenTwoFiveThirtyFirstStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EightSixFourFourWestLudlowDriveMember" name="EightSixFourFourWestLudlowDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EightSixSevenNineWestLudlowDriveMember" name="EightSixSevenNineWestLudlowDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EightSixZeroSixWestLudlowDriveMember" name="EightSixZeroSixWestLudlowDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EightThousandEightHundredTenWestOneHundredSixteenThStreetMember" name="EightThousandEightHundredTenWestOneHundredSixteenThStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EightThousandEightHundredThirtyFiveWOneHundredSixteenThStreetMember" name="EightThousandEightHundredThirtyFiveWOneHundredSixteenThStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EightThousandEightHundredTwentyWOneHundredSixteenThStreetMember" name="EightThousandEightHundredTwentyWOneHundredSixteenThStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EightThousandTwoHundredEastParkMeadowsDriveMember" name="EightThousandTwoHundredEastParkMeadowsDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EightTwoFiveEightTwoSevenAvenueHDMember" name="EightTwoFiveEightTwoSevenAvenueHDMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EightZeroLibertyIndustrialParkwayMember" name="EightZeroLibertyIndustrialParkwayMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EightZeroOneEightThreeOneSGreatSouthwestGMember" name="EightZeroOneEightThreeOneSGreatSouthwestGMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EightZeroOneFiveParamountMember" name="EightZeroOneFiveParamountMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EightZeroOneHeinzWayMember" name="EightZeroOneHeinzWayMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EightZeroTwoZeroSouthparkCircleMember" name="EightZeroTwoZeroSouthparkCircleMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EightZeroZeroChicagoRoadMember" name="EightZeroZeroChicagoRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EighteenThousandOneHundredFiftyEThirtyTwoNdStreetMember" name="EighteenThousandOneHundredFiftyEThirtyTwoNdStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_EighteenThousandTwoHundredAndTwelveShawleyDriveMember" name="EighteenThousandTwoHundredAndTwelveShawleyDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ElevenThousandOneHundredTenPepperRoadMember" name="ElevenThousandOneHundredTenPepperRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ElevenThousandTwoHundredFourMcCormickRoadMember" name="ElevenThousandTwoHundredFourMcCormickRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_EstimatedTotalInvestment" name="EstimatedTotalInvestment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="fr_EstimatedTotalInvestmentRemainingToBeFunded" name="EstimatedTotalInvestmentRemainingToBeFunded" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="fr_ExchangeOfLimitedPartnershipUnitsForGeneralPartnershipUnitsAbstract" name="ExchangeOfLimitedPartnershipUnitsForGeneralPartnershipUnitsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FairValueOnRecurringBasisLineItems" name="FairValueOnRecurringBasisLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_FederalIncomeTaxTreatmentofCommonDividendsTableTextBlock" name="FederalIncomeTaxTreatmentofCommonDividendsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FerreroBTSPV303Member" name="FerreroBTSPV303Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_FinitelivedIntangibleLiabilitiesAcquired" name="FinitelivedIntangibleLiabilitiesAcquired" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FirstCypressCreekCommerceCenterBuildingBMember" name="FirstCypressCreekCommerceCenterBuildingBMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FirstCypressCreekCommerceCenterBuildingCMember" name="FirstCypressCreekCommerceCenterBuildingCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FirstCypressCreekCommerceCenterBuildingDMember" name="FirstCypressCreekCommerceCenterBuildingDMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FirstIndependenceLogisticsCenterMember" name="FirstIndependenceLogisticsCenterMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FirstIndustrialLPMember" name="FirstIndustrialLPMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FirstPark121BuildingEMember" name="FirstPark121BuildingEMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FirstRedwoodIILogisticsCenterBuildingCMember" name="FirstRedwoodIILogisticsCenterBuildingCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FirstRedwoodLogisticsCenterIBuildingABMember" name="FirstRedwoodLogisticsCenterIBuildingABMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FirstSawgrassCommerceCenterMember" name="FirstSawgrassCommerceCenterMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveEightEightFiveStapletonDriveNorthMember" name="FiveEightEightFiveStapletonDriveNorthMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveEightFiveFiveStapletonDriveNorthMember" name="FiveEightFiveFiveStapletonDriveNorthMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveEightOneWelltownRoadTysonBlvdMember" name="FiveEightOneWelltownRoadTysonBlvdMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveFiveFiveFiveWWatersAvenueMember" name="FiveFiveFiveFiveWWatersAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveFiveFiveSevenWWatersAvenueMember" name="FiveFiveFiveSevenWWatersAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveFiveFiveThreeBandiniBlvdMember" name="FiveFiveFiveThreeBandiniBlvdMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveFiveFiveThreeWWatersAvenueMember" name="FiveFiveFiveThreeWWatersAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveFiveSevenZeroTulaneDriveDMember" name="FiveFiveSevenZeroTulaneDriveDMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveFiveZeroGillsDriveMember" name="FiveFiveZeroGillsDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveFiveZeroOneWWatersAvenueMember" name="FiveFiveZeroOneWWatersAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveFiveZeroThreeWWatersAvenueMember" name="FiveFiveZeroThreeWWatersAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveFiveZeroZeroEnterpriseCourtMember" name="FiveFiveZeroZeroEnterpriseCourtMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveFourEightOneWWatersAvenueMember" name="FiveFourEightOneWWatersAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveFourFiveFiveWWatersAvenueMember" name="FiveFourFiveFiveWWatersAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveFourOneZeroOswegoStreetMember" name="FiveFourOneZeroOswegoStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveFourSixOneWWatersAvenueMember" name="FiveFourSixOneWWatersAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveFourSixThreeWWatersAvenueMember" name="FiveFourSixThreeWWatersAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveFourZeroZeroNathanLaneMember" name="FiveFourZeroZeroNathanLaneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveHundredEightySlawinCourtMember" name="FiveHundredEightySlawinCourtMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveHundredFiftyFiveWAlgonquinRdMember" name="FiveHundredFiftyFiveWAlgonquinRdMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveHundredOldPostRoadMember" name="FiveHundredOldPostRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveNineFiveTwoFiveNineSevenEightNorthBroadwayMember" name="FiveNineFiveTwoFiveNineSevenEightNorthBroadwayMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveNineSevenSevenNorthBroadwayMember" name="FiveNineSevenSevenNorthBroadwayMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveNineSixBonnieValentineMember" name="FiveNineSixBonnieValentineMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveSevenSevenFiveOneTwoThAvenueMember" name="FiveSevenSevenFiveOneTwoThAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveThousandNineHundredNineAndFiveThousandNineHundredFifteenBroadwayMember" name="FiveThousandNineHundredNineAndFiveThousandNineHundredFifteenBroadwayMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveThreeFiveFiveSouthWestridgeDriveMember" name="FiveThreeFiveFiveSouthWestridgeDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveThreeFiveSixEPonceDeLeonMember" name="FiveThreeFiveSixEPonceDeLeonMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveThreeNineOneOneTwoThAvenueSeMember" name="FiveThreeNineOneOneTwoThAvenueSeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveThreeNineZeroEPonceDeLeonMember" name="FiveThreeNineZeroEPonceDeLeonMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveThreeZeroZeroMountainCreekMember" name="FiveThreeZeroZeroMountainCreekMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveZeroFiveZeroCampbellRoadMember" name="FiveZeroFiveZeroCampbellRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveZeroNineFivePhillipLeeDriveMember" name="FiveZeroNineFivePhillipLeeDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FiveZeroSouthFiveSixStreetMember" name="FiveZeroSouthFiveSixStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FortySevenThousandFourHundredSixtyOneClipperMember" name="FortySevenThousandFourHundredSixtyOneClipperMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourEightFiveOneHomesteadRoadMember" name="FourEightFiveOneHomesteadRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourEightSevenTwoSLapeerRoadMember" name="FourEightSevenTwoSLapeerRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourEightZeroZeroNwOneFiveAvenueMember" name="FourEightZeroZeroNwOneFiveAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourFiveFiveFiveAtwaterCourtMember" name="FourFiveFiveFiveAtwaterCourtMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourFiveOneFiveNineOneEastOneTwoFourThAvenueMember" name="FourFiveOneFiveNineOneEastOneTwoFourThAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourFiveRouteFourSixMember" name="FourFiveRouteFourSixMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourFiveSevenZeroIvyStreetMember" name="FourFiveSevenZeroIvyStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourFiveZeroGillsDriveMember" name="FourFiveZeroGillsDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourFourSevenThreeShaderRoadMember" name="FourFourSevenThreeShaderRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourFourZeroOneShaderRoadMember" name="FourFourZeroOneShaderRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourFourZeroZeroPurksDriveMember" name="FourFourZeroZeroPurksDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourHundredCrossroadsPkwyMember" name="FourHundredCrossroadsPkwyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourHundredFortyFiveBryantStreetMember" name="FourHundredFortyFiveBryantStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourHundredFortyNineExecutiveDriveMember" name="FourHundredFortyNineExecutiveDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourHundredOldPostRoadMember" name="FourHundredOldPostRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourHundredOneAirportRoadMember" name="FourHundredOneAirportRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourHundredOneRussellDriveMember" name="FourHundredOneRussellDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourNineFiveFiveOakleyIndustrialBlvdMember" name="FourNineFiveFiveOakleyIndustrialBlvdMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourSevenEightFiveElatiMember" name="FourSevenEightFiveElatiMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourSevenFiveZeroNwOneFiveAvenueMember" name="FourSevenFiveZeroNwOneFiveAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourSevenFourNinetoFourSevenNineNineEastparkDrMember" name="FourSevenFourNinetoFourSevenNineNineEastparkDrMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourSevenFourZeroNwOneFiveAvenueMember" name="FourSevenFourZeroNwOneFiveAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourSevenOneZeroNwOneFiveAvenueMember" name="FourSevenOneZeroNwOneFiveAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourSevenSevenOneOneClipperStreetMember" name="FourSevenSevenOneOneClipperStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourSevenSevenZeroFoxStreetMember" name="FourSevenSevenZeroFoxStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourSevenTwoOneIrontonStreetMember" name="FourSevenTwoOneIrontonStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourSevenTwoZeroNwOneFiveAvenueMember" name="FourSevenTwoZeroNwOneFiveAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourSevenZeroOneValleyIndustrialBlvdSMember" name="FourSevenZeroOneValleyIndustrialBlvdSMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourSevenZeroZeroNwOneFiveAvenueMember" name="FourSevenZeroZeroNwOneFiveAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourSixFourZeroCummingsParkMember" name="FourSixFourZeroCummingsParkMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourThirtyOneRailroadAvenueMember" name="FourThirtyOneRailroadAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourThousandEightHundredWestGreensRoadMember" name="FourThousandEightHundredWestGreensRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourThousandFourHundredThirtyEightMulhauserRoadMember" name="FourThousandFourHundredThirtyEightMulhauserRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourThousandFourHundredThirtySixMulhauserRoadMember" name="FourThousandFourHundredThirtySixMulhauserRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourThousandNineHundredFortyAndFourThousandNineHundredFiftyParisMember" name="FourThousandNineHundredFortyAndFourThousandNineHundredFiftyParisMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourThousandOneHundredRockCreekBlvdMember" name="FourThousandOneHundredRockCreekBlvdMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourThousandOneSalazarWayMember" name="FourThousandOneSalazarWayMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourThousandSevenHundredAndFourThousandSevenHundredFiftyCreekRoadMember" name="FourThousandSevenHundredAndFourThousandSevenHundredFiftyCreekRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourThousandSevenHundredTenGuastiRoadMember" name="FourThousandSevenHundredTenGuastiRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourThousandSixHundredSixtyThreeDuesDriveMember" name="FourThousandSixHundredSixtyThreeDuesDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourThreeRouteFourSixMember" name="FourThreeRouteFourSixMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourThreeThreeAlaskaAvenueMember" name="FourThreeThreeAlaskaAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourThreeZeroZeroPineTimbersMember" name="FourThreeZeroZeroPineTimbersMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourTwoFiveFiveFiveMerrillRoadMember" name="FourTwoFiveFiveFiveMerrillRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourZeroEightOneSouthmeadowParkwayMember" name="FourZeroEightOneSouthmeadowParkwayMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourZeroFiveOneSouthmeadowParkwayMember" name="FourZeroFiveOneSouthmeadowParkwayMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourZeroFiveToFourZeroSevenOneOneThreeMember" name="FourZeroFiveToFourZeroSevenOneOneThreeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourZeroSevenOneSouthmeadowParkwayMember" name="FourZeroSevenOneSouthmeadowParkwayMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_FourZeroZeroCedarLaneMember" name="FourZeroZeroCedarLaneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_GrossLeasableAreaAcquired" name="GrossLeasableAreaAcquired" nillable="true" substitutionGroup="xbrli:item" type="num:areaItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ImpairmentActivityMember" name="ImpairmentActivityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_InPlaceLeasesandTenantRelationshipsMember" name="InPlaceLeasesandTenantRelationshipsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_IncomeTaxLineItems" name="IncomeTaxLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_IncomeTaxTable" name="IncomeTaxTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_IncrementalCommonSharesAttributabletoConversionofOperatingPartnershipUnits" name="IncrementalCommonSharesAttributabletoConversionofOperatingPartnershipUnits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="fr_InterestRateSwapOneMember" name="InterestRateSwapOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_InterestRateSwapTwoMember" name="InterestRateSwapTwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_InvestmentinRealEstateActivityAxis" name="InvestmentinRealEstateActivityAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_InvestmentinRealEstateActivityDomain" name="InvestmentinRealEstateActivityDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_JointVentureDispositionActivityMember" name="JointVentureDispositionActivityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_JointVentureMember" name="JointVentureMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_LeaseReclassificationfromOperatingLeasetoSalesTypeLeaseAbstract" name="LeaseReclassificationfromOperatingLeasetoSalesTypeLeaseAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_LeasesDisclosureTextBlock" name="LeasesDisclosureTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_LeasesTermsMaximum" name="LeasesTermsMaximum" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_LeasesTermsMinimum" name="LeasesTermsMinimum" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_LimitedPartnersCapitalAccountUnitsRetired" name="LimitedPartnersCapitalAccountUnitsRetired" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_LimitedPartnershipPolicyPolicyTextBlock" name="LimitedPartnershipPolicyPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_MinimumPercentageOfTaxableIncomeToBeDistributed" name="MinimumPercentageOfTaxableIncomeToBeDistributed" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_NFiveEightWOneFiveThreeEightZeroShawnCircleMemberMember" name="NFiveEightWOneFiveThreeEightZeroShawnCircleMemberMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_NineEightSevenTwoToNineEightNineEightWindischRoadMember" name="NineEightSevenTwoToNineEightNineEightWindischRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_NineEightZeroChicagoMember" name="NineEightZeroChicagoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_NineFiveFiveCobbPlaceMember" name="NineFiveFiveCobbPlaceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_NineFiveZeroZeroWestFourNinthStreetBMember" name="NineFiveZeroZeroWestFourNinthStreetBMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_NineFiveZeroZeroWestFourNinthStreetCMember" name="NineFiveZeroZeroWestFourNinthStreetCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_NineFiveZeroZeroWestFourNinthStreetDMember" name="NineFiveZeroZeroWestFourNinthStreetDMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_NineFiveZeroZeroWestFourNinthStreetMember" name="NineFiveZeroZeroWestFourNinthStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_NineFourAvenueandBuckeyeRoadMember" name="NineFourAvenueandBuckeyeRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_NineNineZeroTwoToNineNineTwoTwoWindischRoadMember" name="NineNineZeroTwoToNineNineTwoTwoWindischRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_NineOneEightZeroWBuckeyeRoadMember" name="NineOneEightZeroWBuckeyeRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_NineSixZeroZeroWestSevenSixThStreetMember" name="NineSixZeroZeroWestSevenSixThStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_NineThousandEightHundredEightAndNineThousandEightHundredThirtyWindischRoadMember" name="NineThousandEightHundredEightAndNineThousandEightHundredThirtyWindischRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_NineThousandEightHundredFortyTwoAndNineThousandEightHundredSixtyTwoWindischRoadMember" name="NineThousandEightHundredFortyTwoAndNineThousandEightHundredSixtyTwoWindischRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_NineThousandFiveHundredTwentyFiveGladesDriveMember" name="NineThousandFiveHundredTwentyFiveGladesDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_NineThousandSevenHundredSeventyFourAndNineThousandSevenHundredNinetyTwoWindischRoadMember" name="NineThousandSevenHundredSeventyFourAndNineThousandSevenHundredNinetyTwoWindischRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_NineThousandThreeHundredFortyFivePrincetonGlendaleMember" name="NineThousandThreeHundredFortyFivePrincetonGlendaleMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_NineThreeFiveAldrinDriveMember" name="NineThreeFiveAldrinDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_NineThreeZeroColumbiaAvenueMember" name="NineThreeZeroColumbiaAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_NineZeroOneNineThreeSevenHeinzWayMember" name="NineZeroOneNineThreeSevenHeinzWayMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_NineZeroZeroOneOneZeroZeroAvenueSMember" name="NineZeroZeroOneOneZeroZeroAvenueSMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_NineZeroZeroToNineZeroSixGreatSouthwestPkwyMember" name="NineZeroZeroToNineZeroSixGreatSouthwestPkwyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_NoncashOperatingActivitiesAbstract" name="NoncashOperatingActivitiesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_NumberOfLimitedPartnership" name="NumberOfLimitedPartnership" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="fr_NumberOfYearsOfExtensionOfLineOfCreditFacilityAtElection" name="NumberOfYearsOfExtensionOfLineOfCreditFacilityAtElection" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_NumberofAcres" name="NumberofAcres" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="fr_NumberofLandParcels" name="NumberofLandParcels" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="fr_OneEightFourZeroEightLaurelParkRoadMember" name="OneEightFourZeroEightLaurelParkRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneEightOneFiveToOneNineFiveSevenSouthFourSixFiveZeroWestMember" name="OneEightOneFiveToOneNineFiveSevenSouthFourSixFiveZeroWestMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneEightOneFiveTurningBasinDrMember" name="OneEightOneFiveTurningBasinDrMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneEightOneNineTurningBasinDrMember" name="OneEightOneNineTurningBasinDrMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneEightSixFourNorthwoodDriveMember" name="OneEightSixFourNorthwoodDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneEightSixFourZeroSixEightAvenueSouthMember" name="OneEightSixFourZeroSixEightAvenueSouthMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneEightTwoSixNorthwoodDriveMember" name="OneEightTwoSixNorthwoodDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneEightTwoZeroOneToOneEightTwoNineOneSantaFeMember" name="OneEightTwoZeroOneToOneEightTwoNineOneSantaFeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneEightZeroFiveTurningBasinDriveMember" name="OneEightZeroFiveTurningBasinDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneFiveNineZeroERiverviewDrMember" name="OneFiveNineZeroERiverviewDrMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneFiveZeroZeroEMainStreetMember" name="OneFiveZeroZeroEMainStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneFiveZeroZeroPeeblesDriveMember" name="OneFiveZeroZeroPeeblesDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneFourFiveW.134thStreetMember" name="OneFourFiveW.134thStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneFourFourFiveEngineerStreetMember" name="OneFourFourFiveEngineerStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneFourMcfaddenRoadMember" name="OneFourMcfaddenRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneFourNineFourZeroSummitDriveMember" name="OneFourNineFourZeroSummitDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneFourNineNineNineSummitDriveMember" name="OneFourNineNineNineSummitDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneFourNineOneZeroSummitDriveMember" name="OneFourNineOneZeroSummitDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneFourNineSixNineSummitDriveMember" name="OneFourNineSixNineSummitDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneFourNineThreeNineSummitDriveMember" name="OneFourNineThreeNineSummitDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneFourNineZeroNineSummitDriveMember" name="OneFourNineZeroNineSummitDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneFourOneThreeOneNRioVistaBlvdMember" name="OneFourOneThreeOneNRioVistaBlvdMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneFourThreeZeroTwoTwentyFourthStreetEastLotOneMember" name="OneFourThreeZeroTwoTwentyFourthStreetEastLotOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneFourWorldsFairDriveMember" name="OneFourWorldsFairDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneFourZeroEightAllenDriveMember" name="OneFourZeroEightAllenDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneFourZeroFiveZeroDayStreetMember" name="OneFourZeroFiveZeroDayStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneFourZeroTwoPuyallupStreetMember" name="OneFourZeroTwoPuyallupStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneFourZeroZeroAllenDriveMember" name="OneFourZeroZeroAllenDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneHundredAndFiveSteamboatBlvdMember" name="OneHundredAndFiveSteamboatBlvdMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneHundredSeventyFiveWallStreetMember" name="OneHundredSeventyFiveWallStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneNineFourFourVistaBellaWayMember" name="OneNineFourFourVistaBellaWayMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneNineNineEightMelissaLaneMember" name="OneNineNineEightMelissaLaneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneNineSixFourKelloggAvenueMember" name="OneNineSixFourKelloggAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneNineThreeFiveAndFiveFiveEnterpriseDriveMember" name="OneNineThreeFiveAndFiveFiveEnterpriseDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneNineThreeOneAirLaneDriveMember" name="OneNineThreeOneAirLaneDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneNineZeroEightToTwoZeroZeroZeroInnerbeltMember" name="OneNineZeroEightToTwoZeroZeroZeroInnerbeltMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneNineZeroOneFourSixFourAvenueSouthMember" name="OneNineZeroOneFourSixFourAvenueSouthMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneNineZeroOneRaymondAvenueSwMember" name="OneNineZeroOneRaymondAvenueSwMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneNineZeroSixSevenReyesAvenueMember" name="OneNineZeroSixSevenReyesAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneNineZeroTwoOneSReyesAvenueMember" name="OneNineZeroTwoOneSReyesAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneOneFiveSevenValleyParkDriveMember" name="OneOneFiveSevenValleyParkDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneOneFiveZeroFiveStateHighwayTwoTwoFiveMember" name="OneOneFiveZeroFiveStateHighwayTwoTwoFiveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneOneFourOneFiveOldRoswellRoadMember" name="OneOneFourOneFiveOldRoswellRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneOneNineTwoThreeBrookfieldAvenueMember" name="OneOneNineTwoThreeBrookfieldAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneOneSevenOneNorthCockrellHillRoadMember" name="OneOneSevenOneNorthCockrellHillRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneOneSevenTwoEightFourOneOneThreeThStreetDMember" name="OneOneSevenTwoEightFourOneOneThreeThStreetDMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneOneSevenZeroOneEastFiveThreeRdAvenueMember" name="OneOneSevenZeroOneEastFiveThreeRdAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneOneTwoBordnersvilleRoadMember" name="OneOneTwoBordnersvilleRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneSevenEightFiveEastMapleMember" name="OneSevenEightFiveEastMapleMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneSevenEightTwoFiveIndianStreetMember" name="OneSevenEightTwoFiveIndianStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneSevenFiveFiveEnterpriseDriveMember" name="OneSevenFiveFiveEnterpriseDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneSevenFiveGreenwoodIndustrialParkwayMember" name="OneSevenFiveGreenwoodIndustrialParkwayMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneSevenFourZeroRiverHillsDriveMember" name="OneSevenFourZeroRiverHillsDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneSevenSevenFiveBellinghamMember" name="OneSevenSevenFiveBellinghamMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneSevenZeroNineOneEightOneOneW.MahaloPlaceMember" name="OneSevenZeroNineOneEightOneOneW.MahaloPlaceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneSevenZeroZeroFiveWRyersonRoadMember" name="OneSevenZeroZeroFiveWRyersonRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneSixChapinRodMember" name="OneSixChapinRodMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneSixFiveSixZeroWestSellsDriveMember" name="OneSixFiveSixZeroWestSellsDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneSixFiveZeroHighwayOneFiveFiveMember" name="OneSixFiveZeroHighwayOneFiveFiveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneSixNineFiveOneWCamelbackRoadMember" name="OneSixNineFiveOneWCamelbackRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneSixSixZeroZeroWestGlendaleAvenueMember" name="OneSixSixZeroZeroWestGlendaleAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneSixZeroTwoToOneSixFiveFourTerreColonyMember" name="OneSixZeroTwoToOneSixFiveFourTerreColonyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneThousandFiveHundredOneOaktonStreetMember" name="OneThousandFiveHundredOneOaktonStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneThousandFourHundredNinetyDennisonCircleMember" name="OneThousandFourHundredNinetyDennisonCircleMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneThousandFourHundredSixteenMeijerDriveMember" name="OneThousandFourHundredSixteenMeijerDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneThousandNineHundredSeventyTwoMeijerDriveMember" name="OneThousandNineHundredSeventyTwoMeijerDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneThousandSevenHundredSevenNorthwoodDriveMember" name="OneThousandSevenHundredSevenNorthwoodDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneThousandSixHundredTwentyFourMeijerDriveMember" name="OneThousandSixHundredTwentyFourMeijerDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneThousandThreeHundredAndFiftyOneEisenhowerBlvdBldgOneMember" name="OneThousandThreeHundredAndFiftyOneEisenhowerBlvdBldgOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneThousandThreeHundredAndFiftyOneEisenhowerBlvdBldgTwoMember" name="OneThousandThreeHundredAndFiftyOneEisenhowerBlvdBldgTwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneThousandTwoHundredAndFourteenBFreedomRoadMember" name="OneThousandTwoHundredAndFourteenBFreedomRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneThousandTwoHundredTwentyFiveBengiesRoadMember" name="OneThousandTwoHundredTwentyFiveBengiesRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneThreeEightZeroZeroSenlacDriveMember" name="OneThreeEightZeroZeroSenlacDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneThreeFiveOneNWSevenEightTHAvenueMember" name="OneThreeFiveOneNWSevenEightTHAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneThreeNineEvaStreetMember" name="OneThreeNineEvaStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneThreeOneZeroZeroGreggStreetMember" name="OneThreeOneZeroZeroGreggStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneThreeThreeFiveSadlierCircleEDrMember" name="OneThreeThreeFiveSadlierCircleEDrMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneThreeTwoTwoSixSixNCarrierParkwayEMember" name="OneThreeTwoTwoSixSixNCarrierParkwayEMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneThreeZeroMaddoxRoadMember" name="OneThreeZeroMaddoxRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneTwoEightOneHighwayOneFiveFiveS.Member" name="OneTwoEightOneHighwayOneFiveFiveS.Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneTwoEightSevenFourWestmoreAvenueMember" name="OneTwoEightSevenFourWestmoreAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneTwoFiveOneNorthCockrellHillRoadMember" name="OneTwoFiveOneNorthCockrellHillRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneTwoFiveZeroRanchoConejoBlvdMember" name="OneTwoFiveZeroRanchoConejoBlvdMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneTwoNineTwoFiveMarlayAvenueMember" name="OneTwoNineTwoFiveMarlayAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneTwoOneFiveFiveNicolletAveMember" name="OneTwoOneFiveFiveNicolletAveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneTwoSevenZeroRanchoConejoBlvdMember" name="OneTwoSevenZeroRanchoConejoBlvdMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneTwoSixZeroOneAndOneTwoSixZeroFiveNwOneOneFiveAvenueMember" name="OneTwoSixZeroOneAndOneTwoSixZeroFiveNwOneOneFiveAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneTwoSixZeroRanchoConejoBlvdMember" name="OneTwoSixZeroRanchoConejoBlvdMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneTwoTwoBordnersvilleRoadMember" name="OneTwoTwoBordnersvilleRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneTwoWorldsFairDriveMember" name="OneTwoWorldsFairDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneTwoZeroZeroOneSixAvenueHDMember" name="OneTwoZeroZeroOneSixAvenueHDMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneZeroEightSevenParkPlaceMember" name="OneZeroEightSevenParkPlaceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneZeroFiveEightSixTamarindAvenueMember" name="OneZeroFiveEightSixTamarindAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneZeroFourFiveSouthEdwardDriveMember" name="OneZeroFourFiveSouthEdwardDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneZeroOneOneRanchoConejoMember" name="OneZeroOneOneRanchoConejoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneZeroOneThreeThreeOneAvenueMMember" name="OneZeroOneThreeThreeOneAvenueMMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneZeroSixEightZeroEightyEighthAvenueMember" name="OneZeroSixEightZeroEightyEighthAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneZeroSixZeroLoneOakRoadMember" name="OneZeroSixZeroLoneOakRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneZeroThreeZeroLoneOakRoadMember" name="OneZeroThreeZeroLoneOakRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneZeroZeroFiveSigmanRoadMember" name="OneZeroZeroFiveSigmanRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneZeroZeroKayIndustrialDriveMember" name="OneZeroZeroKayIndustrialDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OneZeroZeroWestSinclairStreetMember" name="OneZeroZeroWestSinclairStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_OrdinaryIncomeAsPercentageOfDistributions" name="OrdinaryIncomeAsPercentageOfDistributions" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_OrdinaryIncomePerShare" name="OrdinaryIncomePerShare" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_OrganizationAndFormationOfCompanyLineItems" name="OrganizationAndFormationOfCompanyLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_OtherAssetsNetOfAccumulatedAmortization" name="OtherAssetsNetOfAccumulatedAmortization" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="fr_OtherRealEstatePartnershipMember" name="OtherRealEstatePartnershipMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_PartialDispositionActivityMember" name="PartialDispositionActivityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_PaymentinCashforRedemptionofOperatingPartnershipUnits" name="PaymentinCashforRedemptionofOperatingPartnershipUnits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="fr_PaymentsToSettleDerivativeInstruments" name="PaymentsToSettleDerivativeInstruments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_PlanoCrossingBus.ParkMember" name="PlanoCrossingBus.ParkMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_PrivatePlacementNotesDueTwoThousandThirtyMember" name="PrivatePlacementNotesDueTwoThousandThirtyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_PrivatePlacementNotesDueTwoThousandTwentyEightMember" name="PrivatePlacementNotesDueTwoThousandTwentyEightMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_PrivatePlacementNotesDueTwoThousandTwentyNineIIMember" name="PrivatePlacementNotesDueTwoThousandTwentyNineIIMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_PrivatePlacementNotesDueTwoThousandTwentyNineNotesMember" name="PrivatePlacementNotesDueTwoThousandTwentyNineNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_PrivatePlacementNotesDueTwoThousandTwentySevenTwoNotesMember" name="PrivatePlacementNotesDueTwoThousandTwentySevenTwoNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_PropertyPlantAndEquipmentUsefulLivesTableTableTextBlock" name="PropertyPlantAndEquipmentUsefulLivesTableTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_PurchasePrice" name="PurchasePrice" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="fr_PurchasePriceNet" name="PurchasePriceNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="fr_QualifiedDividend" name="QualifiedDividend" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_QualifiedDividendAsPercentageOfDistributions" name="QualifiedDividendAsPercentageOfDistributions" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_RealEstateExcludingHeldforSale" name="RealEstateExcludingHeldforSale" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="fr_RealEstateandAccumulatedDepreciationAbstract" name="RealEstateandAccumulatedDepreciationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_RecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt" name="RecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="fr_RedevelopmentsDevelopementsDevelopableLandMember" name="RedevelopmentsDevelopementsDevelopableLandMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_RetirementofLimitedPartnerUnits" name="RetirementofLimitedPartnerUnits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="fr_SaleableCompanyCommonStock" name="SaleableCompanyCommonStock" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="fr_SalesTypeLeaseAxis" name="SalesTypeLeaseAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SalesTypeLeaseDomain" name="SalesTypeLeaseDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SalesTypeLeaseMember" name="SalesTypeLeaseMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_ScheduleofAcquisitionsofIndustrialPropertiesTableTextBlock" name="ScheduleofAcquisitionsofIndustrialPropertiesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_ScheduleofDispositionsofIndustrialPropertiesTableTextBlock" name="ScheduleofDispositionsofIndustrialPropertiesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SeniorNotesDueTwoThousandThirtyTwoNotesMember" name="SeniorNotesDueTwoThousandThirtyTwoNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SeniorNotesDueTwoThousandTwentyEightNotesMember" name="SeniorNotesDueTwoThousandTwentyEightNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SeniorNotesDueTwoThousandTwentySevenNotesMember" name="SeniorNotesDueTwoThousandTwentySevenNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ServiceLTIPUnitsMember" name="ServiceLTIPUnitsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SevenEightFiveOneAirportHighwayMember" name="SevenEightFiveOneAirportHighwayMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SevenEightZeroZeroCochranRoadMember" name="SevenEightZeroZeroCochranRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SevenFiveZeroChicagoRoadMember" name="SevenFiveZeroChicagoRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SevenFiveZeroOneNwOneZeroSixthTerraceMember" name="SevenFiveZeroOneNwOneZeroSixthTerraceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SevenHundredTwentyAndSevenHundredThirtyLandwehrRoadMember" name="SevenHundredTwentyAndSevenHundredThirtyLandwehrRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SevenHundredTwentyFiveKimberlyDriveMember" name="SevenHundredTwentyFiveKimberlyDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SevenNineSixSevenBlankenshipMember" name="SevenNineSixSevenBlankenshipMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SevenNineZeroFiveCochranRoadMember" name="SevenNineZeroFiveCochranRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SevenNineZeroZeroCochranRoadMember" name="SevenNineZeroZeroCochranRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SevenOneZeroFiveOldTwoFifteenFrontageRoadMember" name="SevenOneZeroFiveOldTwoFifteenFrontageRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SevenSevenZeroGillsDriveMember" name="SevenSevenZeroGillsDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SevenSixZeroZeroSixNineThAvenueMember" name="SevenSixZeroZeroSixNineThAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SevenThousandEightHundredOneWIndustrialDriveMember" name="SevenThousandEightHundredOneWIndustrialDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SevenThousandFiveEFortySixThAvenueDriveMember" name="SevenThousandFiveEFortySixThAvenueDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SevenThousandThreeHundredSixtySevenSouthRevereParkwayMember" name="SevenThousandThreeHundredSixtySevenSouthRevereParkwayMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SevenTwoFiveZeroToSevenTwoSixZeroWynnwoodMember" name="SevenTwoFiveZeroToSevenTwoSixZeroWynnwoodMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SevenTwoFourZeroToSevenTwoFourEightWynnwoodMember" name="SevenTwoFourZeroToSevenTwoFourEightWynnwoodMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SevenTwoThreeZeroToSevenTwoThreeEightWynnwoodMember" name="SevenTwoThreeZeroToSevenTwoThreeEightWynnwoodMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SevenZeroFiveOneWestBroadwayMember" name="SevenZeroFiveOneWestBroadwayMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SevenZeroFiveZeroWinnetkaAvenueNorthMember" name="SevenZeroFiveZeroWinnetkaAvenueNorthMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SevenZeroThreeFiveWinnetkaAvenueNorthMember" name="SevenZeroThreeFiveWinnetkaAvenueNorthMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SevenZeroZeroThreeEFourSeventhAveDriveMember" name="SevenZeroZeroThreeEFourSeventhAveDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SevenfivezeroGatewayBlvdMember" name="SevenfivezeroGatewayBlvdMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SeventeenThousandOneHundredPerrisBoulevardMember" name="SeventeenThousandOneHundredPerrisBoulevardMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SeventeenThousandOneSVincennesMember" name="SeventeenThousandOneSVincennesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="fr_SixEightNineOneNWSevenFourTHStreetMember" name="SixEightNineOneNWSevenFourTHStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SixFiveFiveZeroLongpointeMember" name="SixFiveFiveZeroLongpointeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SixFiveFourFourWarrenDriveMember" name="SixFiveFourFourWarrenDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SixFiveFourSevenSouthRacineCircleMember" name="SixFiveFourSevenSouthRacineCircleMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SixFiveOneFourWarrenDriveMember" name="SixFiveOneFourWarrenDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SixFourFiveFiveCityWestParkwayMember" name="SixFourFiveFiveCityWestParkwayMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SixFourFiveOneElCaminoRealMember" name="SixFourFiveOneElCaminoRealMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SixFourZeroSevenSTwoOneZeroTHStreetMember" name="SixFourZeroSevenSTwoOneZeroTHStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SixFourZeroZeroLongPointMember" name="SixFourZeroZeroLongPointMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SixHundredGreeneDriveMember" name="SixHundredGreeneDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SixNineOneThreeGuhnRoadMember" name="SixNineOneThreeGuhnRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SixOneEightFiveKimballAveMember" name="SixOneEightFiveKimballAveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SixOneFiveEastSamHoustonParkwayMember" name="SixOneFiveEastSamHoustonParkwayMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SixOneFiveZeroSycamoreCanyonBlvdMember" name="SixOneFiveZeroSycamoreCanyonBlvdMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SixOneNineEastSamHoustonParkwaySMember" name="SixOneNineEastSamHoustonParkwaySMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SixOneOneEastSamHoustonParkwaySMember" name="SixOneOneEastSamHoustonParkwaySMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SixSixFiveFiveWedgewoodRoadMember" name="SixSixFiveFiveWedgewoodRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SixSixFiveNBaldwinParkBlvdMember" name="SixSixFiveNBaldwinParkBlvdMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SixThousandNineHundredAndFiftyOneAllentownBlvdMember" name="SixThousandNineHundredAndFiftyOneAllentownBlvdMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SixThreeZeroOneHazeltineNationalDriveMember" name="SixThreeZeroOneHazeltineNationalDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SixTwoZeroOneWestOneOneOneThStreetMember" name="SixTwoZeroOneWestOneOneOneThStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SixZeroSevenEastSamHoustonParkwayMember" name="SixZeroSevenEastSamHoustonParkwayMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SixteenThousandAndFiveHundredAndTwentyTwoHuntersGreenParkwayMember" name="SixteenThousandAndFiveHundredAndTwentyTwoHuntersGreenParkwayMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SixteenThousandEightHundredSeventyFiveHeacockStreetMember" name="SixteenThousandEightHundredSeventyFiveHeacockStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_SixteenThousandFiveHundredWOneHundredThreeRdStreetMember" name="SixteenThousandFiveHundredWOneHundredThreeRdStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_StraightLineRentAdjustmentNet" name="StraightLineRentAdjustmentNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TenThousandOneHundredFiftyEightThPlaceMember" name="TenThousandOneHundredFiftyEightThPlaceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TenThousandSevenHundredNineGilroyRoadMember" name="TenThousandSevenHundredNineGilroyRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TenThousandSevenHundredSevenGilroyRoadMember" name="TenThousandSevenHundredSevenGilroyRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TenZeroFiveAndOneHundredOneStStreetMember" name="TenZeroFiveAndOneHundredOneStStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_TenantImprovementsUsefulLife" name="TenantImprovementsUsefulLife" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThirteenEightyFiveAndOneHundredOneStStreetMember" name="ThirteenEightyFiveAndOneHundredOneStStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThirteenThousandFourHundredFourteenSouthFigueroaMember" name="ThirteenThousandFourHundredFourteenSouthFigueroaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThirtyEightLovetonCircleMember" name="ThirtyEightLovetonCircleMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeEightFiveOneThreeEightSevenOneRevereMember" name="ThreeEightFiveOneThreeEightSevenOneRevereMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeEightFourOneOceanRanchBoulevardMember" name="ThreeEightFourOneOceanRanchBoulevardMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeEightNineFiveEastgateBlvdBldgAMember" name="ThreeEightNineFiveEastgateBlvdBldgAMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeEightNineFiveEastgateBlvdBldgBMember" name="ThreeEightNineFiveEastgateBlvdBldgBMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeEightOneFiveWWashingtonStreetMember" name="ThreeEightOneFiveWWashingtonStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeEightOneSevenOceanRanchBoulevardMember" name="ThreeEightOneSevenOceanRanchBoulevardMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeEightThreeOneOceanRanchBoulevardMember" name="ThreeEightThreeOneOceanRanchBoulevardMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeEightTwoOneOceanRanchBoulevardMember" name="ThreeEightTwoOneOceanRanchBoulevardMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeEightZeroNineOceanRanchBoulevardMember" name="ThreeEightZeroNineOceanRanchBoulevardMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeEightZeroOneOceanRanchBoulevardMember" name="ThreeEightZeroOneOceanRanchBoulevardMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeEightZeroOneToThreeEightFiveOneYaleStMember" name="ThreeEightZeroOneToThreeEightFiveOneYaleStMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeFiveThreePerryStreetMember" name="ThreeFiveThreePerryStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeFiveZeroZeroChannahonRoadMember" name="ThreeFiveZeroZeroChannahonRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeHundredAndFiftyOldSilverSpringRoadMember" name="ThreeHundredAndFiftyOldSilverSpringRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeHundredFiveAndThreeHundredElevenEraDriveMember" name="ThreeHundredFiveAndThreeHundredElevenEraDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeNineRouteFourSixMember" name="ThreeNineRouteFourSixMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeNineZeroOneWestMillerRoadMember" name="ThreeNineZeroOneWestMillerRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeOneOneOneWestCommerceMember" name="ThreeOneOneOneWestCommerceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeSevenFiveRivertownDriveMember" name="ThreeSevenFiveRivertownDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeSevenThreeSevenEightyFourthAvenueMember" name="ThreeSevenThreeSevenEightyFourthAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeSevenZeroZeroSandshellDriveMember" name="ThreeSevenZeroZeroSandshellDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeThousandFourHundredFraserStreetMember" name="ThreeThousandFourHundredFraserStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeThousandTwoHundredFiftyQuentinMember" name="ThreeThousandTwoHundredFiftyQuentinMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeThreeFiveOneRauchStMember" name="ThreeThreeFiveOneRauchStMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeThreeSixFiveESlausonMember" name="ThreeThreeSixFiveESlausonMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeThreeSixFivetoThreeThreeEightFiveRauchStreetMember" name="ThreeThreeSixFivetoThreeThreeEightFiveRauchStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeThreeThreeSevenAndThreeThreeFourSevenRauchStreetMember" name="ThreeThreeThreeSevenAndThreeThreeFourSevenRauchStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeThreeZeroOneCenturyCircleMember" name="ThreeThreeZeroOneCenturyCircleMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeTwoNineSevenFiveCapitolAvenueMember" name="ThreeTwoNineSevenFiveCapitolAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeTwoTwoZeroZeroNAvisDriveMember" name="ThreeTwoTwoZeroZeroNAvisDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeTwoZeroRelianceRoadMember" name="ThreeTwoZeroRelianceRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeZeroChapinRoadMember" name="ThreeZeroChapinRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeZeroFiveOneE.MariaStreetMember" name="ThreeZeroFiveOneE.MariaStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeZeroFiveSequoiaAvenueMember" name="ThreeZeroFiveSequoiaAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeZeroFourBordentownHeddingRoadMember" name="ThreeZeroFourBordentownHeddingRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeZeroHookMountainRoadMember" name="ThreeZeroHookMountainRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeZeroNinetoThreeOneThreePierceStreetMember" name="ThreeZeroNinetoThreeOneThreePierceStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeZeroOneBordentownHeddingRoadMember" name="ThreeZeroOneBordentownHeddingRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeZeroOneFiveEastAnaMember" name="ThreeZeroOneFiveEastAnaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeZeroSixZeroSouthParkBlvdMember" name="ThreeZeroSixZeroSouthParkBlvdMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeZeroThreeOneOneEmeraldValleyParkwayMember" name="ThreeZeroThreeOneOneEmeraldValleyParkwayMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeZeroThreeThreeThreeEmeraldValleyPkwyMember" name="ThreeZeroThreeThreeThreeEmeraldValleyPkwyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeZeroTwoBordentownHeddingRoadMember" name="ThreeZeroTwoBordentownHeddingRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreeZeroZeroZeroWestCommerceMember" name="ThreeZeroZeroZeroWestCommerceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_ThreenineninesixScientificDriveMember" name="ThreenineninesixScientificDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TreasuryLock2Member" name="TreasuryLock2Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwelveThousandFiftyFiveEFortyNineThAveByFourThousandNineHundredFiftyFivePeoriaMember" name="TwelveThousandFiftyFiveEFortyNineThAveByFourThousandNineHundredFiftyFivePeoriaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwentyLeoLaneMember" name="TwentyLeoLaneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwentyTwoThousandFiveHundredTwentyRandolphDriveMember" name="TwentyTwoThousandFiveHundredTwentyRandolphDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwentyTwoThousandSixHundredThirtyDullesSummitCourtMember" name="TwentyTwoThousandSixHundredThirtyDullesSummitCourtMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoEightFiveFourFiveLivingstonAvenueMember" name="TwoEightFiveFourFiveLivingstonAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoEightFourThreeFiveAutomationBlvdMember" name="TwoEightFourThreeFiveAutomationBlvdMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoEightSevenOneResearchDriveMember" name="TwoEightSevenOneResearchDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoEightSevenZeroTechnologyDriveMember" name="TwoEightSevenZeroTechnologyDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoEightThreeFiveEastAnaStreetMember" name="TwoEightThreeFiveEastAnaStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoEightZeroOneRedLionRoadMember" name="TwoEightZeroOneRedLionRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoFiveZeroZeroMainStreetMember" name="TwoFiveZeroZeroMainStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoFiveZeroZeroNorthWestNineteenthStreetMember" name="TwoFiveZeroZeroNorthWestNineteenthStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoFiveZeroZerotoTwoFiveThreeZeroFairwayParkDriveMember" name="TwoFiveZeroZerotoTwoFiveThreeZeroFairwayParkDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoFourEightFiveToTwoFiveZeroFiveMerrittDriveMember" name="TwoFourEightFiveToTwoFiveZeroFiveMerrittDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoFourEightSevenZeroNandinaAvenueMember" name="TwoFourEightSevenZeroNandinaAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoFourFiveFiveBoulevardOfGeneralsMember" name="TwoFourFiveFiveBoulevardOfGeneralsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoFourFiveWLodgeMember" name="TwoFourFiveWLodgeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoFourNineZeroOneSanMicheleRoadMember" name="TwoFourNineZeroOneSanMicheleRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoFourThreeEightFiveNandinaAvenueMember" name="TwoFourThreeEightFiveNandinaAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoFourWorldsFairDriveMember" name="TwoFourWorldsFairDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoFourZeroOneToTwoFourOneNineWalnutRidgeMember" name="TwoFourZeroOneToTwoFourOneNineWalnutRidgeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoFourZeroOneTwoFourZeroSevenCentennialMember" name="TwoFourZeroOneTwoFourZeroSevenCentennialMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoFourZeroSixToTwoFourOneSixWalnutRidgeMember" name="TwoFourZeroSixToTwoFourOneSixWalnutRidgeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoFourZeroZeroMainStreetMember" name="TwoFourZeroZeroMainStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoHundredAndTwentyFiveCrossFarmLaneMember" name="TwoHundredAndTwentyFiveCrossFarmLaneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoHundredFiftyOneAirportRoadMember" name="TwoHundredFiftyOneAirportRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoNineEightFirstAvenueMember" name="TwoNineEightFirstAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoNineFiveZeroTechnologyDriveMember" name="TwoNineFiveZeroTechnologyDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoNineThreeZeroTechnologyDriveMember" name="TwoNineThreeZeroTechnologyDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoNineZeroZeroTechnologyDriveMember" name="TwoNineZeroZeroTechnologyDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoOneNineZeroZeroDoddBoulevardMember" name="TwoOneNineZeroZeroDoddBoulevardMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoOneOneElleryCourtMember" name="TwoOneOneElleryCourtMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoOneOneOneZeroEastThreeOneCircleMember" name="TwoOneOneOneZeroEastThreeOneCircleMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoOneOneZeroHuttonDriveMember" name="TwoOneOneZeroHuttonDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoOneSevenThreeZeroToTwoOneSevenFourEightMarillaStMember" name="TwoOneSevenThreeZeroToTwoOneSevenFourEightMarillaStMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoOneThreeZeroOneEastThirtyThirdDriveMember" name="TwoOneThreeZeroOneEastThirtyThirdDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoSevenEightZeroOneAvenueScottMember" name="TwoSevenEightZeroOneAvenueScottMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoSevenFourSevenWGrandParkwayNMember" name="TwoSevenFourSevenWGrandParkwayNMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoSevenNineOneResearchDriveMember" name="TwoSevenNineOneResearchDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoSevenSevenSevenLokerAvenueWestMember" name="TwoSevenSevenSevenLokerAvenueWestMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoSevenThreeSevenWGrandParkwayNMember" name="TwoSevenThreeSevenWGrandParkwayNMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoSevenThreeZeroResearchDriveMember" name="TwoSevenThreeZeroResearchDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoSixChapinRoadMember" name="TwoSixChapinRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoSixOneZeroAndTwoSixSixZeroColumbiaMember" name="TwoSixOneZeroAndTwoSixSixZeroColumbiaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoSixWorldsFairDriveMember" name="TwoSixWorldsFairDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoThousandNineHundredWOneHundredSixtySixThStreetMember" name="TwoThousandNineHundredWOneHundredSixtySixThStreetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoThousandSevenHundredAndEightyCommerceDriveMember" name="TwoThousandSevenHundredAndEightyCommerceDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoThousandSevenHundredAndOneCommerceDriveMember" name="TwoThousandSevenHundredAndOneCommerceDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoThousandSevenHundredCommerceDriveMember" name="TwoThousandSevenHundredCommerceDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoThousandThreeHundredWindsorCourtMember" name="TwoThousandThreeHundredWindsorCourtMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoThreeFiveFiveCaminoVidaRobleMember" name="TwoThreeFiveFiveCaminoVidaRobleMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoThreeFourFiveCaminoVidaRobleMember" name="TwoThreeFourFiveCaminoVidaRobleMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoThreeOneSevenSevenCommerceDriveMember" name="TwoThreeOneSevenSevenCommerceDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoThreeOneSixThreeCommerceDriveMember" name="TwoThreeOneSixThreeCommerceDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoThreeOneThreeFiveCommerceDriveMember" name="TwoThreeOneThreeFiveCommerceDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoThreeSevenFiveCaminoVidaRobleMember" name="TwoThreeSevenFiveCaminoVidaRobleMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoThreeSixFiveCaminoVidaRobleMember" name="TwoThreeSixFiveCaminoVidaRobleMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoThreeThreeFiveCaminoVidaRobleMember" name="TwoThreeThreeFiveCaminoVidaRobleMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoThreeTwoFiveCaminoVidaRobleMember" name="TwoThreeTwoFiveCaminoVidaRobleMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoThreeZeroNineThreeCommerceDriveMember" name="TwoThreeZeroNineThreeCommerceDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoThreeZeroOneFourCommerceDriveMember" name="TwoThreeZeroOneFourCommerceDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoThreeZeroThreeFiveCommerceDriveMember" name="TwoThreeZeroThreeFiveCommerceDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoTwoFiveZeroEastBardinRoadMember" name="TwoTwoFiveZeroEastBardinRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoTwoSevenOneEightFiftyEighthPlaceMember" name="TwoTwoSevenOneEightFiftyEighthPlaceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoTwoThreeZeroZeroETwentysixthAvenueMember" name="TwoTwoThreeZeroZeroETwentysixthAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoTwoTwoZeroMerrittDriveMember" name="TwoTwoTwoZeroMerrittDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoTwoWorldsFairDriveMember" name="TwoTwoWorldsFairDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoZeroChapinRoadMember" name="TwoZeroChapinRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoZeroFiveZeroEastParkDriveMember" name="TwoZeroFiveZeroEastParkDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoZeroHookMountainRoadMember" name="TwoZeroHookMountainRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoZeroOneFiveMckenzieDriveMember" name="TwoZeroOneFiveMckenzieDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoZeroOneNineMckenzieDriveMember" name="TwoZeroOneNineMckenzieDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoZeroSevenZeroZeroDenkerAvenueMember" name="TwoZeroSevenZeroZeroDenkerAvenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoZeroTwoFiveMckenzieDriveMember" name="TwoZeroTwoFiveMckenzieDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoZeroTwoFiveMidwayRoadMember" name="TwoZeroTwoFiveMidwayRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoZeroTwoNineToTwoZeroThreeFiveMckenzieDriveMember" name="TwoZeroTwoNineToTwoZeroThreeFiveMckenzieDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoZeroWorldsFairDriveLotOneThreeMember" name="TwoZeroWorldsFairDriveLotOneThreeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoZeroZeroCascadeDriveBldgOneMember" name="TwoZeroZeroCascadeDriveBldgOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoZeroZeroCascadeDriveBldgTwoMember" name="TwoZeroZeroCascadeDriveBldgTwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoZeroZeroNineMckenzieDriveMember" name="TwoZeroZeroNineMckenzieDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoZeroZeroNorthpointeDriveMember" name="TwoZeroZeroNorthpointeDriveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoZeroZeroOneMidwayRoadMember" name="TwoZeroZeroOneMidwayRoadMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_TwoZeroZeroZeroVistaBellaWayMember" name="TwoZeroZeroZeroVistaBellaWayMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_UnrecapturedSectionGainAsPercentageOfDistributions" name="UnrecapturedSectionGainAsPercentageOfDistributions" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_UnrecapturedSectionGainPerShare" name="UnrecapturedSectionGainPerShare" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_UnsecuredDebtOneMember" name="UnsecuredDebtOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_UnsecuredDebtTwoMember" name="UnsecuredDebtTwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fr_VariableInterestEntitiesAbstract" name="VariableInterestEntitiesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="fr_WriteOffOfFullyDepreciatedAssets" name="WriteOffOfFullyDepreciatedAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
</xsd:schema>
