Downtown Infrastructure Project

2026-11-03

The City of Keene is seeking qualified bidders for the Downtown Infrastructure Improvements and Reconstruction Project . The project limits are on Main Street and Central Square from the southernmost end on Water Street , continuing north to Court / Washington Street at the northernmost limit of the project . The project as specified in the contract documents is comprised of two phases of construction , divided at the Main Street / Railroad Street / Gilbo Street intersection that are required to be completed separately over the 2026 and 2027 construction seasons . The scope of the project includes , but is not expressly limited to furnishing and installing the following for the project : - Drain system improvements , including roughly 6 , 300 LF of drain culvert removal and replacement for HDPE culvert diameters between 10 ” and 36 ” and 80 stormwater structures ( catch basins , drop inlets and drain manholes ). - Water system improvements including the removal , replacement and installation of roughly 6 , 000 LF of 6 ”, 8 ” 12 ” and 16 ” DI CL52 water main , 65 gate valves and boxes , 16 hydrants and 1 , 500 LF of water services . - Sewer system improvements , including roughly 6 , 600 LF of 6 ”, 8 ” and 10 ” PVC Sewer and 40 sewer manholes . - Raised stamped concrete intersections and rapid flashing pedestrian beacons - Approximately 18 , 000 SY of concrete sidewalks and textured concrete sidewalks , - Approximately 11 , 000 LF of granite curb and 7 , 000 LF of granite curb resetting - Electrical panel enclosure , temporary lighting , replacement lighting , conduit , wiring and ancillary electrical improvements . - Traffic signal removal and replacement for Central Square . - Landscaping within the project limits , including : roughly 170 trees , 480 shrubs , 7 , 000 perennial plantings , loam , seed , tree soil cells , mulch . - Ancillary landscaping and site features include benches , bike racks , bollards , lighted bollards , seat boulders . - Signage removal and replacement within the project limits . - The removal and replacement of the existing irrigation system ( s ) for the project limits . - The removal and resetting of existing site features like benches , parking pay machines , clock tower , flag poles . - The removal and disposal of roughly 9 , 100 LF of existing CMP storm drain and 75 existing stormwater structures - Associated maintenance of traffic , erosion controls , SWPPP management , road and sidewalk reconstruction , pavement markings lines and symbols restoration / reinstatement within the project limits .

New Hampshire

2026-04-28