The Base BidWork is generally described as follows: • Excavation and onsite stockpiling of approximately 15,000 yd3 of unsuitable fill material; • Import, backfill and compaction of approx. 22,300 yd3 of 4"-minus structural fill; • 12-bay, aerated static pile (ASP) composting system with reversing pressure operating capabilities – complete with: blowers; VFD’s; aeration piping; dampers; in-floor aeration grates; concrete slab, push walls & footings; embedments; condensate collection and conveyance system; • Two biofilters – complete with blowers; VFD’s; delivery/diffuser piping; dampers; irrigation system; mud mat, concrete slab, containment walls & footings; • Runoff collection system including three catch basins, submersible lift station and forcemain to the Missoula WRF plant drain; • Sensing & control system - complete with wireless temperature probes O2 sensors, manual dampers, communications, outputs to VFD’s, data logging, alarms, etc.; • New biosolids cake storage bin and pre-compost bin with new concrete slabs, embedments and cast-in-place walls/footings; • Conex Control Building – support piers; HVAC; doors; windows; lighting; electrical; • Condensate Collection: piping; sumps; grinder pump station; forcemain; • Concrete rumble grate trough; • Irrigation supply system: drilled groundwater well; casing; screen; drop pipe; pitless; piping; pump; pressure control system; irrigation control system; sprinkler piping and rotary heads; • Ancillary site improvements, utility piping, communications systems and surface restoration
