2027-011 Keyes Road Culvert Replacement

The City of Gardner is seeking bids for the complete replacement of an 8‑ft diameter culvert on Keyes Road over Wilder Brook. The contractor must provide all labor, equipment, materials, and services to demolish the existing structure, perform site preparation, relocate utilities, install a new 24‑ft precast rigid‑frame bridge, restore the stream, and complete roadway paving and finish work. The project is funded in part by a MassDOT community culvert grant and has a total estimated value of roughly $1.93 million. • Demolition of existing CMP culvert, road surface, and sidewalk; phased de‑watering and dredging (~220 cy). • Installation of a new 24‑ft span three‑sided rigid‑frame precast concrete bridge, wing‑walls, guardrails, and associated utilities (12‑in water main relocation, hydrants, temporary water service). • Earthwork, grading, HMA paving, stream‑bed restoration, traffic control (portable signal system and police services), and required environmental compliance (401 WQC, BMPs). • Required bid bond (5 %), performance and payment bonds (100 %); contractor must be MassDOT pre‑qualified for bridge construction; substantial completion by 30 Nov 2027 with liquidated damages of $1,000 per day.