SECTION 11314B DETAILED PUMP SPECIFICATON FILTRATE RETURN PUMPS

SECTION 11314B DETAILED PUMP SPECIFICATON FILTRATE RETURN PUMPS


PART 1 GENERAL

1.1 SECTION INCLUDES

A. Filtrate Return Pumps:
1. Filtrate Return Pump No. 1: P-7-18-1.
2. Filtrate Return Pump No. 2: P-7-18-2.

1.2 SYSTEM DESCRIPTION

A. The Filtrate Return Pumps shall be capable of pumping filtrate from the Filtrate Storage Tanks to the influent splitter box of the Aeration Tanks.

1.3 REFERENCES

A. See General Pump Specification, Section 11314, SCREW IMPELLER DRY PIT CENTRIFUGAL PUMPS - GENERAL.

1.4 DESIGN REQUIREMENTS

A. General Requirements:
1. Liquid Pumped: Filtrate.
2. Specific Gravity: 1.0.
3. Maximum liquid temperature: 100° F.
4. Percent Solids, %: 0.05 – 0.1.
5. Suction flange size, inch: 6.
6. Discharge flange size, inch: 5.
7. Pump Orientation: Horizontal.
8. Motor nameplate horsepower: 20 HP.

B. Hydraulic Requirements:
1. Maximum Design Flow:
a. Design flow, gpm: 970.
b. Design TDH, feet: 36.2.
c. Minimum percent efficiency: 75%.
2. Minimum spherical passing, inch: 3.

1.5 SUBMITTALS

A. See General Pump Specifications, Section 11314, SCREW IMPELLER DRY PIT CENTRIFUGAL PUMPS - GENERAL.

1.6 DELIVERY, STORAGE AND HANDLING

A. See General Pump Specification, Section 11314, SCREW IMPELLER DRY PIT CENTRIFUGAL PUMPS - GENERAL.


PART 2 PRODUCTS

2.1 See General Pump Specifications, Section 11314, SCREW IMPELLER DRY PIT CENTRIFUGAL PUMPS - GENERAL.


PART 3 EXECUTION

3.1 See General Pump Specification Section 11314, SCREW IMPELLER DRY PIT CENTRIFUGAL PUMPS - GENERAL.


END OF SECTION