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Property and Equipment | 3 Months Ended
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Mar. 31, 2023
Property, Plant and Equipment [Abstract] |
Property and Equipment |
6. | PROPERTY AND EQUIPMENT
Property and equipment are summarized as follows:
|  | March 31, 2023 |  | December 31, 2022
Construction and transportation equipment |  | $ | 353,038 |  |  | $ | 345,647 |
Buildings and improvements |  | 20,763 |  |  | 20,500 |
Land |  | 3,402 |  |  | 3,402 |
Office equipment |  | 3,513 |  |  | 3,352 |
Total property and equipment |  | 380,716 |  |  | 372,901 |
Less accumulated depreciation |  | (165,499) |  |  | (157,419) |
Total property and equipment, net |  | $ | 215,217 |  |  | $ | 215,482 |
Depreciation Expense—Depreciation expense is primarily included within cost of revenues and was $9,956 and $7,795 for the three months ended March 31, 2023 and 2022, respectively.

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=126982197&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI https://asc.fasb.org/topic&trid=2155823 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126982197&loc=SL120174063-112916 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 1 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126982197&loc=d3e99779-112916 + Details
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