Submittal Sheet

LEH150-Series Specifications

1.01 GENERAL:

The contractor shall provide labor, material, equipment, and incidentals required to provide (QTY) centrifugal sewage pumps as

specified herein. The pump models covered in this specification are Series LEH150 single phase or three phase sewage pumps. The pump

furnished for this application shall be model ______________as manufactured by Liberty pumps.

2.01 OPERATING CONDITIONS:

Each submersible pump shall be rated at 1.5 hp_____ volts _______ phase 60 Hz. 3450 RPM. The unit shall produce ______G.P.M. at

______ feet of total dynamic head.

The submersible pump shall be capable of handling 2” solids enabling pumping over long distances in pipelines as small as 2" in diameter.

The submersible pump shall have a shut-off head of 70 feet and a maximum flow of 200 GPM @ 20 feet of total dynamic head.

The pump shall be controlled with:

______A piggy back style on/off float switch.

______A NEMA 4X simplex control panel with three float switches and a high water alarm.

______A NEMA 4X duplex control panel with three float switches and a high water alarm.

3.01 CONSTRUCTION:

Each centrifugal sewage pump shall be equal to the certified Series LEH150 sewage pumps as manufactured by Liberty Pumps,

Bergen NY. The castings shall be constructed of class 25 cast iron. The motor housing shall be oil filled to dissipate heat. Air filled motors

shall not be considered equal since they do not properly dissipate heat from the motor. All mating parts shall be machined and sealed with a

Buna-N o-ring. All fasteners exposed to the liquid shall be stainless steel. The motor shall be protected on the top side with sealed cord entry

plate with molded pins to conduct electricity eliminating the ability of water to enter internally through the cord. The motor shall be protected

on the lower side with a dual seal arrangement. The first seal is a double lip seal molded in FKM fluoroelastomer or Buna N.

The second / main seal shall be a unitized hard face silicone carbide seal with stainless steel housings and spring.

The upper and lower bearing shall be capable of handling all radial thrust loads. The lower bearing shall have the additional ability to handle

the downward axial thrust produced by the impeller by design of angular contact roller races. The pump housing shall be of the concentric

design thereby equalizing the pressure forces inside the housing which will extend the service life of the seals and bearings. The pump shall

be furnished with stainless steel handle having a nitrile grip.

4.01 ELECTRICAL POWER CORD

The submersible pump shall be supplied with 25 feet of multiconductor power cord. It shall be cord type SJOOW (1-ph) or SEOOW (3-ph),

capable of continued exposure to the pumped liquid. The power cord shall be sized for the rated full load amps of the pump in accordance

with the National Electric Code. The power cable shall not enter the motor housing directly but will conduct electricity to the motor by means

of a water tight compression fitting cord plate assembly, with molded pins to conduct electricity. This will eliminate the ability of water to enter

internally through the cord, by means of a damaged or wicking cord.