General Engineering Consulting (GEC) Services

The Massachusetts Bay Transportation Authority (MBTA) seeks qualified firms to provide on‑call, as‑needed professional engineering, design, and consulting services for a wide range of transit‑related assets under a General Engineering Contract (GEC). The work will be performed on a task‑order basis, covering feasibility studies, condition assessments, design, construction support, and lifecycle planning for rail stations, tunnels, tracks, power infrastructure, and other transportation facilities. Firms may submit as a prime consultant in one tier and serve as a subconsultant on other tiers, with contract ceilings of up to $10 M for Tier 1, $5.5 M for Tier 2, and $3.75 M for Tier 3, over a base period of three years and up to two optional twelve‑month extensions. • Scope includes feasibility, planning, design, permitting, value‑engineering, and construction‑phase support for rail, bus, ferry, and related infrastructure. • Contracts are awarded on a tiered basis; firms select a single tier as prime and may act as subconsultants on other tiers. • Required deliverables: a single PDF SOQ package (cover letter, SF‑330, project experience, proposer capacity, and bidder forms) submitted via BidExpress by October 22, 2026.