# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000831641-19-000193
Filing Date
2019-11-29
Accepted
2019-11-27 17:56:44
Documents
121
Period of Report
2019-09-29

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | tt10-kfy19document.htm iXBRL | 10-K | 3364841
2 | EXHIBIT 21 | ttek-ex2109292019.htm | EX-21 | 30129
3 | EXHIBIT 23 | ttek-ex2309292019.htm | EX-23 | 2225
4 | EXHIBIT 31.1 | ttek-ex31109292019.htm | EX-31.1 | 9075
5 | EXHIBIT 31.2 | ttek-ex31209292019.htm | EX-31.2 | 9071
6 | EXHIBIT 32.1 | ttek-ex32109292019.htm | EX-32.1 | 5458
7 | EXHIBIT 32.2 | ttek-ex32209292019.htm | EX-32.2 | 5475
8 | EXHIBIT 95 | ttek-ex9509292019.htm | EX-95 | 40602
14 |  | chart-28847578053553be8fb.jpg | GRAPHIC | 48048
| Complete submission text file | 0000831641-19-000193.txt |  | 14506395

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
9 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | ttek-20190929.xsd | EX-101.SCH | 81243
10 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | ttek-20190929_cal.xml | EX-101.CAL | 140387
11 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | ttek-20190929_def.xml | EX-101.DEF | 424786
12 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | ttek-20190929_lab.xml | EX-101.LAB | 1141095
13 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | ttek-20190929_pre.xml | EX-101.PRE | 690692
91 | EXTRACTED XBRL INSTANCE DOCUMENT | tt10-kfy19document_htm.xml | XML | 2719916

Mailing Address 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107
Business Address 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107 6263514664
TETRA TECH INC (Filer) CIK: 0000831641 (see all company filings)

EIN.: 954148514 | State of Incorp.: DE | Fiscal Year End: 0929
Type: 10-K | Act: 34 | File No.: 000-19655 | Film No.: 191259241
SIC: 8711 Services-Engineering Services