General Plumbing Service Contract

Detroit Transportation Corporation is requesting proposals for on-call plumbing services for Detroit People Mover facilities, with proposals due August 5, 2026 at 5:00 p.m. Eastern Time and written questions due July 29, 2026. No set-asides or local-vendor preferences apply.

The scope encompasses emergency response (2-hour), urgent service (4-hour), routine service (1–2 business days), preventive maintenance, and project work across diagnosis, repair, replacement, new installation, and minor renovation. Services include domestic water and sanitary sewer systems, natural gas piping where permitted, water heaters, backflow prevention devices, and excavation-related support. Minimum qualifications are current Michigan plumbing licenses, Michigan business registration, 5–10 years of relevant plumbing experience in commercial and municipal facilities, at least three references, proof of required insurance, and ability to meet emergency response times.

Required insurance includes worker's compensation at full statutory limits, commercial general liability of $1 million per occurrence and $2 million aggregate, excess/umbrella liability of $5 million, comprehensive auto liability of $1 million, and professional liability of $3 million per claim and aggregate. Bid and performance bond guarantees are not required.

The contract term is three years with two optional 1-year renewal periods. Pricing must be submitted as hourly labor rates (straight-time, overtime, weekend, and holiday by classification), emergency response charges, and material markup percentages for each contract year. Evaluation is weighted: experience and qualifications (25 points), staffing and licenses (15 points), response capability (20 points), past performance and references (15 points), and pricing (25 points). Detroit Transportation Corporation is funded in part by the Federal Transit Administration and the contract is governed by FTA Circular C 4220.1G and applicable federal and state regulations. Proposals must be submitted electronically via Bidnet/MITN; late submissions will not be accepted.