Suspended Wet-Pit Sewage Pumps
Bulletin 228E

Suggested Specifications for Architects and Engineers

Furnish and install as shown on plans a duplex VSA-_____ suspended wet-pit sewage pump unit as manufactured by Federal Pump Corp. Each pump shall be rated _____G.P.M. at _____feet Total Dynamic Head, shall have a _____inch discharge and be built for a pit or basin _____deep.

Impellers shall be cast iron non-clog balanced design; shafts carbon steel sized for maximum load; thrust bearings ball type mounted in moisture-proof housings mounted above the suspension plate; casings smooth-passage cast iron with renewable bronze sleeve bearing; renewable bronze sleeve intermediate bearings provided for each four feet of unsupported shaft length. Flexible grease line shall be provided for each shaft bearing; suspension plate cast iron with strengthening ribs; suspension leg sections cast iron with integral cast flanges on each end; discharge pipe steel with expansion joints at both ends; top discharge connection shall be 45° elbow with integral ASA standard flange.

Motors shall be _____HP, _____phase, _____cycles, _____volts, _____R.P.M. open, drip-proof ball bearing type.

Furnish a pedestal mounted alternating float switch to alternate the operation of the pumps and provide simultaneous operation when required. Furnish a pedestal mounted auxiliary float switch to turn on both pumps if the alternating float switch is inoperative. The alternating and auxiliary float switches shall have copper floats, brass rods, adjustable stops, galvanized rod guides and shall be equal to Federal Type FS-4.

Furnish a compression tube type high water alarm actuating switch with adjustable sensing tube and integral alarm horn, equal to Federal type FS-5.

Furnish for each motor a magnetic line voltage starter in wall mounting general purpose enclosure providing overload and low voltage protection and with a Hand-Off-Automatic selector switch in the cover.

Furnish a cast iron (or steel; or fiberglass) sewage basin _____diameter x _____deep with inlet as determined by job conditions. Basin shall have a steel cover with required openings for pumps, controls, manhole and vent connection and shall be treated with a corrosion resistant coating.

ALTERNATE FOR CONCRETE PIT: Furnish a welded angle iron pit frame and heavy steel cover equal to Federal Type PF-1 for a concrete pit _____x _____x _____deep. Cover and frame are to be of gastight construction and treated with a corrosion resistant coating. Cover shall have required openings for pumps, controls, manhole and vent connection.

FURNISH AND INSTALL AS SHOWN ON PLANS, A FEDERAL PUMP CORPORATION TYPE VSA DUPLEX SUBMERGED SEWAGE PUMP UNIT. PUMPS SHALL BE RATED AS SHOWN IN THE PUMP SCHEDULE.

EACH PUMP SHALL HAVE A CAST IRON, NON-CLOG, BALANCED IMPELLER, CARBON STEEL SHAFT, THRUST BALL BEARING MOUNTED ABOVE THE SUSPENSION PLATE, BRONZE PUMP BEARING, A BRONZE INTERMEDIATE BEARING FOR EACH FOUR FEET OF UNSUPPORTED SHAFT LENGTH, A PVC GREASE LINE FOR EACH. BEARING, CAST IRON SUSPENSION PLATE, CAST IRON SUSPENSION LEG SECTIONS WITH INTEGRAL END FLANGES, A STEEL DISCHARGE PIPE WITH AN EXPANSION JOINT AT EACH END, AND A 45-DEGREE DISCHARGE ELBOW.

EACH PUMP SHALL BE DRIVEN THROUGH A FLEXIBLE COUPLING BY A VERTICAL MOUNTED STANDARD NEMA FRAME MOTOR IN AN OPEN, DRIP-PROOF HOUSING, AS RATED IN THE PUMP SCHEDULE.

FURNISH A PEDESTAL MOUNTED ALTERNATING FLOAT SWITCH TO ALTERNATE THE OPERATION OF THE PUMPS AND PROVIDE SIMULTANEOUS OPERATION WHEN REQUIRED. FURNISH A PEDESTAL MOUNTED AUXILIARY FLOAT SWITCH TO TURN ON BOTH PUMPS IF THE ALTERNATING FLOAT SWITCH IS INOPERATIVE. EACH SWITCH SHALL HAVE A COPPER FLOAT AND BRASS ROD WITH ADJUSTABLE STOPS. FURNISH A COMPRESSION TUBE TYPE HIGH WATER ALARM ACTUATOR AND A 4" 110V ALARM BELL.

FURNISH A MAGNETIC STARTER FOR EACH MOTOR IN A NEMA-1 GENERAL PURPOSE ENCLOSURE WITH OVERLOAD PROTECTION ON EACH PHASE AND A HAND-OFF-AUTOMATIC SELECTOR SWITCH IN THE COVER.

FURNISH A CAST IRON SEWAGE BASIN OF THE SIZE SHOWN IN THE PUMP SCHEDULE. THE BASIN SHALL HAVE A GAS-TIGHT STEEL COVER WITH OPENINGS FOR THE PUMPS, CONTROLS, MANHOLE WITH COVER AND VENT CONNECTION. THE BASIN AND COVER SHALL HAVE A CORROSION-RESISTANT COATING.

PUMP SCHEDULE:

PUMPS: __________ GPM PER PUMP

               __________ FT. TDH

MOTORS: __________ HP,  __________ RPM

                  __________ PHASE, 60 CYCLES, __________ VOLTS

CAST IRON BASIN: __________ IN. DIA. x __________ IN. DEEP 

FURNISH AND INSTALL AS SHOWN ON PLANS, A FEDERAL PUMP CORPORATION TYPE VSA DUPLEX SUBMERGED SEWAGE PUMP UNIT. PUMPS SHALL BE RATED AS SHOWN IN THE PUMP SCHEDULE.

EACH PUMP SHALL HAVE A CAST IRON, NON-CLOG, BALANCED IMPELLER, CARBON STEEL SHAFT, THRUST BALL BEARING MOUNTED ABOVE THE SUSPENSION PLATE, BRONZE PUMP BEARING, A BRONZE INTERMEDIATE BEARING FOR EACH FOUR FEET OF UNSUPPORTED SHAFT LENGTH., A PVC GREASE LINE FOR EACH BEARING, CAST IRON SUSPENSION PLATE, CAST IRON SUSPENSION LEG SECTIONS WITH INTEGRAL END FLANGES., A STEEL DISCHARGE PIPE WITH AN EXPANSION JOINT AT EACH END, AND A 45-DEGREE DISCHARGE ELBOW.

EACH PUMP SHALL BE DRIVEN THROUGH A FLEXIBLE COUPLING BY A VERTICAL MOUNTED STANDARD NEMA FRAME MOTOR IN AN OPEN, DRIP-PROOF HOUSING, AS RATED IN THE PUMP SCHEDULE.

FURNISH A PEDESTAL MOUNTED ALTERNATING FLOAT SWITCH TO ALTERNATE THE OPERATION OF THE PUMPS AND PROVIDE SIMULTANEOUS OPERATION WHEN REQUIRED. FURNISH A PEDESTAL MOUNTED AUXILIARY FLOAT SWITCH TO TURN ON BOTH PUMPS IF THE ALTERNATING FLOAT SWITCH IS INOPERATIVE. EACH SWITCH SHALL HAVE A COPPER FLOAT AND BRASS ROD WITH ADJUSTABLE STOPS. FURNISH A COMPRESSION TUBE TYPE HIGH WATER ALARM ACTUATOR AND A 4" 110V ALARM BELL.

FURNISH A MAGNETIC STARTER FOR EACH MOTOR I N A NEMA-1 GENERAL PURPOSE ENCLOSURE WITH OVERLOAD PROTECTION ON EACH PHASE AND A HANDOFF-AUTOMATIC SELECTOR SWITCH IN THE COVER.

FURNISH A FIBERGLASS SEWAGE BASIN OF THE SIZE SHOWN IN THE PUMP SCHEDULE. THE BASIN SHALL HAVE A GAS-TIGHT STEEL COVER WITH OPENINGS FOR THE PUMPS, CONTROLS, MANHOLE WITH COVER AND VENT CONNECTION. THE STEEL COVER SHALL HAVE A CORROSION-RESISTANT COATING.

PUMP SCHEDULE:

PUMPS: __________ GPM PER PUMP

               __________ FT. TDH

MOTORS: __________ HP,  __________ RPM

                  __________ PHASE, 60 CYCLES, __________ VOLTS

CAST IRON BASIN: __________ IN. DIA. x __________ IN. DEEP