SUGGESTED SPECIFICATIONS FOR ARCHITECTS AND ENGINEERS:

DUPLEX UNIT, (1/3 HP 1/2 HP UNITS)

Furnish and install where shown on plans, a duplex Type P submersible sump pump unit, as manufactured by Federal Pump Corporation. Each pump to have a capacity of____ G.P.M. against a total dynamic head of ____ ft. Pumps to have ____ N.P.T. discharge connections and to be of standard-fitted construction with submersible sealed motor, stainless steel shaft and waterproof power cable. Motors to be ____ H.P., ____ phase, 60 cycles, ____ volts, 1750 RPM. Each-pump shall have a fully submersible float switch for mounting on the pump discharge pipe.

Furnish a duplex pump control panel in a single NEMA-1 enclosure, including fusible disconnect switch, magnetic starter and hand-off-automatic selector switch for each motor and an automatic alternator to alternate the sequence of eration of the two pumps and provide simultaneous operation of the pumps when required.
Furnish a fiberglass (or cast iron or steel) sump basin, ____ ins. in diameter x ____ ins. deep, with inlet connection as determined by job conditions. The basin shall have a steel cover with required openings for pump removal plates, controls and vent connection, and shall be treated with a corrosion resistant coating.