Scientific Services Contracts- Requests for Proposal


TxDOT's Environmental Affairs Division manages its contracts by issuing requests for proposals (RFPs) to solicit proposals from service providers. The division issues contracts pursuant to the Texas Transportation Code, Chapter 223, Subchapter D, and 43 TAC §§9.80-9.88. When RFPs are available, service providers may receive a copy of the RFP downloading from the Electronic State Business Daily after it is posted. A letter of interest must be submitted upon downloading the RFP.

Schedule of TxDOT Environmental Affairs Contracts

Environmental Documentation Services (601CT0000003492)

TxDOT’s Environmental Affairs Division anticipates issuing an RFP soliciting proposals for up to eight indefinite deliverable contracts for the production of environmental documentation and other environmental services. Services include production of environmental documentation and technical services for transportation activities identified under 23 CFR 771, 43 TAC Part 1, Chapter 2, and other regulations related to compliance with federal and state environmental standards. The RFP announcement and notice of request for letters of interest will be posted on TxDOT.gov beginning in November 2018.  RFPs will not be released prior to posting to ESBD.

Archeological General Services (601CT0000003493)

TxDOT’s Environmental Affairs Division anticipates issuing an RFP soliciting proposals for four indefinite deliverable contracts for the archeological general services. It is for the performance of archeological related services to fulfill TxDOT’s requirements for transportation activities under federal and state statutes as set forth in a memorandum of understanding (MOU) between the Texas Historical Commission and TxDOT, and a programmatic agreement among the Federal Highway Administration, TxDOT, the Texas State Historic Preservation Officer and the Advisory Council on Historic Preservation regarding the implementation of transportation undertakings. Services may include: archeological background studies, antiquities permit procurements, test excavation fieldwork, data recovery fieldwork, analytical unit definition, research design, digital records preparation, curation preparation, all required reporting and other archeological services. The RFP announcement and notice of request for letters of interest will be posted on TxDOT.gov beginning in September 2018.  RFPs will not be released prior to posting to ESBD. 

Statewide Biological General Services (601CT0000003495)

TxDOT’s Environmental Affairs Division anticipates issuing an RFP soliciting proposals for up to four indefinite deliverable, scientific services contracts for performing statewide biological services, including karst related services required for transportation activities under federal and state statutes. Services may include:  surveys/assessments of protected species and/or habitat of protected species, analysis of stream modifications and associated habitats, biological analysis to support the ESA, section 7 consultation with the US Fish and Wildlife Service, preparation of an ESA Biological Assessment or Evaluation or ESA section 10a permit, biological analysis to support impact characterization including habitat and species surveys of migratory birds; biological analysis to support essential fish habitat consultations and assessment preparation, coordination with state and federal resource agencies, data mining from federal state or local entities, universities and/or other resources as necessary to complete the species/habitat assessment, preparation of biology related sections for environmental documents including NEPA, habitat assessments, analysis and presence/absence surveys for protected karst species, geologic assessments and solution feature plans for karst studies, groundwater and other technical analysis that may support karst invertebrate impact analysis, geophysical analysis of known or suspected karst features and other biological support services. The RFP announcement and notice of request for letters of interest will be posted on this website (January 2019). RFPs will not be released prior to posting to ESBD.

Statewide Environmental Consulting Services – Hazardous Materials (601CT0000003494)

TxDOT’s Environmental Affairs Division anticipates issuing an RFP soliciting proposals for up to five indefinite deliverable, scientific services contracts for performing all non-engineering related work necessary to complete hazardous material initial environmental site assessments which may include: phase I and phase II environmental site assessments, risk-based assessment investigations and evaluations, preventative action/corrective action plans, and project oversight for impacts to TxDOT facilities and right-of-ways stateside. The RFP announcement and notice of request for letters of interest will be posted on TxDOT.gov (February 2019). RFPs will not be released prior to posting to ESBD.

Statewide Environmental Stormwater Services (601CT0000003496)

TxDOT’s Environmental Affairs Division anticipates issuing an RFP soliciting proposals for up to four indefinite deliverable, scientific services contracts for performing environmental stormwater services as required for transportation activities under state and federal statutes including Sections 402 and 303 of the Clean Water Act, 30 TAC, Chapter 213, and all related statutes and standards related to compliance with stormwater environmental rules and regulations.  Services may include: performing all permitting work, storm monitoring events, compliance evaluations, and data management support including the MS4 outfall mapping, outfall verification, illicit discharge detection and elimination inspection, dry weather screening, wet weather screening, and outfall follow-up illicit discharge detection, screening, and elimination tasks required in the NPDES or TPDES Permit. Additional services required to fulfill the state’s obligations and facilitate the state’s compliance with federal and state environmental stormwater requirements may also be requested under this contract. The RFP announcement and notice of request for letters of interest will be posted on TxDOT.gov (February 2019). RFPs will not be released prior to posting to ESBD.

Divisions