New Jersey Administrative Code
Title 7 - ENVIRONMENTAL PROTECTION
Chapter 14A - NEW JERSEY POLLUTANT DISCHARGE ELIMINATION SYSTEM
Subchapter 23 - TECHNICAL REQUIREMENTS FOR TREATMENT WORKS APPROVAL APPLICATIONS
Section 7:14A-23.27 - Sludge pumps

Universal Citation: NJ Admin Code 7:14A-23.27

Current through Register Vol. 56, No. 24, December 18, 2024

(a) Duplicate sludge pumps shall be provided and shall be so arranged with appropriate valves such that either may be used, in emergencies, for handling either raw or digested sludge.

(b) The capacity of each pump for handling raw sludge shall be such as to remove sludge from hoppers of settling or concentration tanks in not less than one hour nor more than two hours. Pump capacity shall be adjustable.

(c) A minimum positive head of 24 inches shall be provided at the suction side of centrifugal pumps and is desirable for all types of pumps. Maximum dynamic suction lift of plunger pumps shall be 10 feet.

(d) Sludge sampling facilities shall be provided in accordance with N.J.A.C. 7:14A-23.14. The size of valve and piping shall be at least 1 1/2 inches.

(e) Pressure gauges shall be provided on the discharge line of sludge pumps to denote pumping and to indicate unusual discharge heads due to clogging.

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