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Scientific Services Projects - Requests for Proposals

TxDOT's Environmental Affairs' Division requests proposals for the following contracts. 

1. Environmental water resources services at TxDOT facilities statewide: TxDOT requests proposals for services required for transportation activities under federal and state statutes as set forth in Sections 401 and 404 of the Clean Water Act (33 U.S.C. §§1341, 1344, 1413, etc.), Sections 9 and 10 of the Rivers and Harbors Act (33 U.S.C. §§401, 403, etc.), and other applicable statutes and regulations. The state will award up to two indefinite delivery contracts, each for an amount not to exceed $500,000.

Download the request for proposals (RFP) and related documents below. For more information, email Environmental Affairs.

Title Format
Request for Proposals
Attachments 1, 2, 4
Attachment 5A: Spreadsheet to Calculate Staff and Miscellaneous Rates

2. Historic Resource Identification, Evaluation and Documentation Services: TxDOT is soliciting proposals for up to five contracts related to the Texas Transportation Code, Chapter 223, Subchapter D, and 43 TAC §§9.80-9.88. Services requested include: non-archaeological historic resource studies; research and documentation efforts leading to historic context statements; nominations to the National Register of Historic Places; and other mitigation activities.

Download the request for proposals (RFP) and related documents below. For more information, email Environmental Affairs.

Title Format
Request for Proposals
Attachment 1: Format for Information for Key Staff Positions
Attachment 2A: Spreadsheet to Calculate Staff and Miscellaneous Rates
Attachment 3: Format for Proposal Cover Sheet
Attachment 6: Team Commitment Letter