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-23.16 - Grit removal equipment
Universal Citation: NJ Admin Code 7:14A-23.16
Current through Register Vol. 56, No. 24, December 18, 2024
(a) Except in small sewage treatment plants with a design flow of less than 150,000 gallons per day, mechanical grit removal devices shall be provided.
(b) Grit chamber channels and flumes shall be designed to produce velocities of not less than 0.5 foot per second and not greater than one foot per second. Detention shall be adequate to deposit grit coarser than 0.20 millimeters.
(c) All grit chambers shall be provided with a means for washing the grit and return of washwater to wastewater flow.
(d) Grit removal facilities shall include adequate means for the collection and temporary storage of grit material prior to sanitary disposal.
1. A stairway or ladder
shall be provided for entrance if the unit is four feet or more below ground
level.
2. Adequate lighting and
ventilation shall be provided.
3.
Provisions for dewatering shall be made such that water content is not a
limitation to ultimate disposal.
4.
Provisions for the treatment and disposal method for drainage of the grit shall
be provided.
Disclaimer: These regulations may not be the most recent version. New Jersey may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
This site is protected by reCAPTCHA and the Google
Privacy Policy and
Terms of Service apply.
