Description
North Texas Tollway Authority is seeking qualified engineering firms to investigate, design, and provide full plans‑specifications‑estimate (PS&E) packages for the stabilization of mechanically stabilized earth (MSE) retaining walls along President George Bush Turnpike (PGBT) Segment 8. The scope includes geotechnical investigations, development of three design alternatives per wall, preparation of detailed design drawings, specifications, and construction‑phase support for two contract phases (Phase 3A – 11 walls; Phase 3B – 9 walls). The contract will be awarded to the highest‑ranked respondent for Phase 3A and the second‑highest for Phase 3B, with a three‑year contract term and a small‑business participation goal of 24 % of the total contract value.
• Conduct comprehensive site investigations, utility locates, and geotechnical borings for each wall.
• Develop three alternative stabilization concepts per wall, complete design calculations, and produce full PS&E bid packages (60 %, 90 %, advanced final, 100 %).
• Provide construction‑phase support, including submittal reviews, RFIs, and change‑order analysis, while complying with NTTA’s insurance, small‑business, and confidentiality requirements.
Attached files
Contact
Milad Muhammad Qasim(Senior Procurement Specialist)