Architectural Engineering and Related Services for North King County Access Base

King County Metro Transit Department, Capital Division is requesting proposals for architectural, engineering, and related services to deliver the North King County Access Base project, a multi-phase facility and site improvement program supporting Access paratransit operations, with proposals due July 21, 2026 at 1:30 p.m.

The scope spans planning, design, and construction support across three phases: Phase 1 (Alternatives Analysis and Predesign, approximately six months); Phase 2 (Final Design and Bidding Services, approximately twelve months); and Phase 3 (Services During Construction, approximately eighteen months). The selected consultant must submit an Equity and Social Justice Innovation Plan with aspirational Minority and Women's Business Enterprise goals and will be contractually bound by that plan. The consultant must comply with King County Code 18.17 Green Building and Sustainable Development Ordinance, achieving either LEED Platinum certification for new construction or LEED Gold for major renovations, or alternatively achieving Platinum rating on the King County Sustainable Infrastructure Scorecard. Five firms are precluded by organizational conflicts of interest: Otak, Inc., David Evans and Associates, Inc., FSi Consulting Engineers, Inc., HWA GeoSciences, Inc., and ProDims, LLC.

The estimated contract value is $3.5 million across all phases, with Phase 1 estimated at $538,000. The maximum direct labor rate is $94.31; maximum billing rate is $302.00; labor escalation rate is 5.4%. Contract execution is anticipated in December 2026, with Phase 1 completion targeted for May 2027, final design completion in May 2028, and construction completion in December 2029. Proposals are limited to 12 pages maximum. The County reserves the right to reject any and all proposals and to cancel the procurement at any time. Interviews, if applicable, are scheduled for August 18, 2026. Inquiries must be submitted in writing to the Contract Specialist at least four business days before the proposal due date. Contracts valued at $25,000 or more must comply with King County's Equal Benefits Ordinance 14823; contracts valued at $100,000 or more must comply with Proposer Responsibility criteria in King County Ordinance 19925.