Specifications include, but are not limited to: Interior Construction ‐ Plumber to provide drain line in accordance with applicable plumbing code and extractor machine specifications to the northern exterior wall of the Fire Station. ‐ Plumber to provide water line in accordance with applicable plumbing code and extractor machine specifications to the extractor machine. ‐ Plumber to install water meter on the individual water service line to the extractor machine (required by permit for water meter readings, see above). ‐ Plumber/contractor to provide drain line penetration under the building slab to exit the building in 4” SDR 35 PVC pipe as shown on the site plan (Exact pipe & tank location to be determined during construction based on extractor machine final location). Pipe elevation to be 2’ +/‐ under the slab to provide cover. Exterior Construction ‐ Contractor to sawcut pavement as necessary for install of 4” SDR 35 PVC drain line and for holding tank location. 3’ to 5’ of sawcut is anticipated for tank location as shown on site plan. ‐ Contractor to excavate for installation of 4” SDR 35 PVC drain line and for holding tank. Holding tank excavation is to allow for standard 12” crushed stone base beneath tank. ‐ Contractor to determine elevation of outgoing drain line at the building prior to setting the tank to ensure proper pipe slope on drain line (2% minimum). ‐ Contractor to lay pipe at consistent down gradient slope to the holding tank inlet. ‐ Contractor to provide 2” rigid foam insulation over drain line in parking area. ‐ Electrician to provide conduit for alarm control connection to holding tank. Electrician to be responsible for wiring of alarm controls. ‐ Electrician/contractor to install holding tank alarm control panel on rear corner of building or on a plywood backboard with 4”x4” pressure treated posts. ‐ Contractor to properly backfill drain line trench and tank location. ‐ Contractor to repair and patch pavement over drain line, including proper compaction of soils. ‐ Contractor to install protective bollards (or boulders) on parking lot side of tank location to ensure protection from snowplowing and/or other vehicular traffic. ‐ Seed and mulch of disturbed earth area around the tank location as necessary.
