Attachment 4- Lake Pow WWTP Decomm SOI.pdf

This is a Bid Schedule for a construction project titled "Lake Powhatan Recreation Area WWTP Decommissioning and Municipal Sewer Connection" with the US Forest Service and Naventure listed as project owners. The date is listed as TBD.

The bid schedule contains 28 line items organized into five categories: Modifications at Sewer Pump Station (Items 1-6), Sewer Force Main Items (Items 7-11), Site Work and Erosion Control (Items 12-21), Facility Decommissioning (Item 22), and Allowances (Items 23-26), followed by two Alternate Bid Items (Items 27-28). Base bid items include mobilization and construction staking, submersible sewer pumps, control panel and electrical renovation, precast concrete meter vault, electromagnetic meter and sump pump, and 80 linear feet of chain link security fence. The sewer force main work requires 9,240 linear feet of 2" SDR 21 PVC sewer force main, 600 linear feet of 2" DR11 HDPE directional bore, 400 pounds of mechanical joint fittings, one connection to receiving manhole, and four air release/vacuum breaker valves. Site work and erosion control includes clearing and grubbing, 3,250 linear feet of standard silt fence and 120 linear feet of heavy-duty silt fence, 66 straw wattle check dams, 20 non-erosive outlets, eight inlet protection structures, site stabilization, final grassing and cleanup, 4,000 square feet of gravel repair, and 1,250 square feet of asphalt repair. The facility decommissioning item encompasses the wastewater treatment plant and sewer pump station components. Allowances are included for miscellaneous stone (10 tons), trench rock removal (10 cubic yards), unsuitable soil removal (20 cubic yards), and suitable backfill (24 cubic yards). Alternate bid items include a back-up power generator with automatic transfer switch and a propane tank. Unit prices and total prices are blank, to be completed by bidders.