C1906-01 Upgrade Backflow Preventer, Infrastructure Boonville Correctional Center

Work includes removing two (2) reduced pressure zone (RPZ) backflow prevention devices installed on two (2) fire protection water services. Devices are located in below grade pits. The RPZ devices shall be replaced with double check valve backflow prevention devices installed in the same location. A flanged pipe spool shall be fabricated and installed with backflow preventer to fill gap in pipe. Work also includes removing two (2) reduced pressure zone (RPZ) backflow prevention devices installed on two (2) domestic water services. Devices are located in below grade pits. The RPZ devices will be replaced with PRZ devices installed in above grade aluminum enclosures with electric heaters. Flanged pipe spools shall be fabricated and installed in the below grade pits to fill gap in pipe. Coordination with City of Boonville to relocate one (1) water meter for one (1) domestic water service is also required. Furthermore, the Work includes providing two (2) concrete slabs upon which above grade aluminum enclosures will be mounted, connecting power to two (2) above grade aluminum enclosures, excavating to connect to main pipe located near driveway, cutting asphalt parking lot, excavating, and routing new branch pipes to connect to existing supply pipes for two (2) adjacent buildings, backfilling trenches, pouring concrete where asphalt was removed, seeding, fertilizing, and installing erosion control fabric.
  Issued for Bid (click to expand/collapse)