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Scientific Services Projects - Requests for Proposals

The Environmental Affairs Division manages its contracts for scientific services by issuing requests for proposals (RFPs) to solicit proposals from service providers. ENV issues contracts pursuant to the Texas Transportation Code, Chapter 223, Subchapter D, and 43 TAC 9.80-9.88.

Current RFPs

Historic Resource Identification, Evaluation and Documentation Services: TxDOT's Environmental Affairs Division is soliciting proposals for up to two (2) indefinite deliverable, scientific services contracts for performing non-archeological, historical survey services. Services to be provided include the performance on non-archeological, historical survey and related non-archeological, historical services to fulfill TxDOT’s obligation under the National Historical Preservation Act, as amended (16 U.S.C. §470) and under the Texas Antiquities Code (Title 9, Chapter 191, Texas Natural Resources Code. Prospective proposers who have obtained this RFP from TxDOT.gov must notify TxDOT of their interest in the RFP if they wish to receive information regarding clarifications or amendments to the RFP package. Proposers who have not notified TxDOT of their interest in the RFP waive all claims to readdress if they submit proposals that receive reduced scores because the proposals do not incorporate or respond to clarifications or amendments to the RFP package. Prospective proposers who have downloaded this RFP may notify TxDOT of their interest by email or mail it to the following via United States Postal Service mail or commercial delivery to:

Texas Department of Transportation
Attn: ENV Contracts
118 East Riverside Drive
Austin, TX 78704

Download the specifications and other required documents on the State Comptroller's Electronic State Business Daily website.

Statewide Water Resource Documentation and Permitting Services

TxDOT’s Environmental Affairs Division is soliciting proposals for up to two (2) indefinite deliverable, scientific services contracts for performing statewide water resource documentation and permitting services. Services to be provided include producing water resource documentation required for transportation activities under federal and state statutes as set forth in Sections 401 and 404 of the Clean Water Act (33U.S.C. 1341 & 1344), Section 9 and 10 of the Rivers and Harbors Act (33 U.S.C. 403), and other statutes and regulations related to compliance with federal and state environmental standards.

Download the specifications and other required documents from the State Comptroller's Electronic State Business Daily.

Prospective proposers who have obtained this RFP from TxDOT.gov must notify TxDOT of their interest in the RFP if they wish to receive information regarding clarifications or amendments to the RFP package. Proposers who have not notified TxDOT of their interest in the RFP waive all claims to readdress if they submit proposals that receive reduced scores because the proposals do not incorporate or respond to clarifications or amendments to the RFP package. Prospective proposers who have downloaded this RFP may notify TxDOT of their interest by email or mail it to the following via United States Postal Service mail or commercial delivery to:

Texas Department of Transportation
Attn: ENV Contracts
118 East Riverside Drive
Austin, TX 78704

The notification must contain the RFP number, proposer’s name, point of contact, mailing address, voice and fax telephone numbers and email address. All questions or clarifications must be submitted in writing.