C04_Attachment 4 - Lift Station 1 Drawing.pdf

This document is a technical specification and equipment schedule for a pumping station installation. The specification details a complete pumping system consisting of two Model Piranha-V-2 B grinder pumps rated at 25 GPM at 75 TDH with 4.5 HP motors operating at 208/3/60 volts. The system includes a control panel with two circuit breakers, starters with overload protection, an alternator, two hand-operated air switches, pilot lights, alarm light and horn, and a seal alarm relay. Additional components include a NEMA 4X basin junction box, three mercury level controls configured for off/lead-on/lag-on operation with alarm capability, two sets of 1-1/4 inch slide fittings and less elbows, two sets of 1-1/4 inch ball check valves, two sets of 1-1/4 inch gate valves, and 89 lifting cables.

The basin assembly features a 42-inch diameter by deep fiberglass basin with anti-flotation collar, 1-inch inlet hub, 2-inch conduit hub, and 2-inch discharge hub. The system is covered with a 42-inch diameter steel cover equipped with a gasketed access door and vent connection. Supporting documentation references vendor shop drawings for additional details and specifications regarding pump discharge piping and pipe rails, which are to be field-supplied in 1-1/4 inch and 2-1/2 inch by 40 pipe rail configurations as required.