Section A. General
1. Applicant shall provide, construct, operate, and maintain a sewage grinder pump system of a type and size acceptable to Gulf Shores Utilities Board (Board). The grinder pump system shall be suitable for delivery of sewage into the Board’s sewer system. Grinder pump systems shall be in compliance with the requirements more particularly described in Section B.
2. Grinder pump system and all appurtenances shall be located within the property to be provided service. Grinder pump system shall include a discharge line of suitable size from the grinder pump station to the point of connection to the Board’s sewer system at the property line.
Section B. Grinder Pump System
1. Terms utilized herein to characterize classification of service shall have the same meaning as set forth in the Board’s Resolution 90 – 4, as same may be amended.
2. Grinder pump systems shall be equipped with a check valve and anti-siphon device on the discharging piping. The anti-siphon device shall be mounted inside the pump charger (tank) within two (2) feet of the top.
3. Grinder pump shall adequately grind all waste flow constituents, including grease, rags, fecal matter, etc., to such an extent to permit efficient passage through a one inch (1″) discharge pipe without clogging or plugging.
4. Grinder pump system shall, at a minimum, conform to the following performance and physical characteristics:
a. Residential Service (Single Family) – Minimum two (2) horsepower pumping system capable of introducing into the Board’s sewer system ten (10) gallons per minute of properly ground waste at a total dynamic head of ninety (90) feet. Minimum tank volume of one hundred fifteen (115) gallons.
b. Residential Service (Multi-Family) – Minimum of a pumping system capable of introducing into the Board’s sewer system properly ground waste at a total dynamic head of ninety (90) feet. Pumping system requirements for horsepower, pumping rate and tank volume shall be determined by certified engineer or manufacturer representative for each specific installation.
c. Basic Commercial Service – Shall meet the same specifications as a Residential Service (Single Family) as set forth in the B.4.a. above. Potential Peak Demand (PPD) in excess of twenty gallons per minute (20 gpm) shall require pumping system as set forth in B.4.d., B.4.e., or B.4.f. below.
d. Commercial Service (PPD up to 40 gpm) – Minimum two (2) horsepower pumping system capable of introducing into the Board’s sewer system with each pump ten (10) gallons per minute of properly ground waste at a total dynamic head of ninety (90) feet. Minimum tank volume of three hundred seventy (370) gallons.
e. Commercial Service (PPD up to 100 gpm) – Minimum five (5) horsepower duplex pumping system capable of introducing into the Board’s sewer system with each pump twenty-five (25) gallons per minute of properly ground waste at a total dynamic head of ninety (90) feet. Minimum tank volume of six hundred sixty (660) gallons.
f. Commercial Service (PPD greater than 110 gpm) – Pumping system requirements shall be determined by a certified engineer for each specific installation.
5. No other pumps or pumping system may be connected to the Board’s sewer system without prior written authorization from the Board’s General Manager.