RESIDENTIAL AND/OR
COMMERCIAL
SANITARY SEWER CONNECTIONS
Lateral Drawings
The following are the regulations that have been adopted by the BERKELEY COUNTY
PUBLIC SERVICE SEWER DISTRICT and must be complied with before the final
connection to the main sewer can be made:
1. Installation shall be made in conformance with Berkeley County Public Service
Sewer District standard details; copies of which are hereto attached.
2. SDR-26 heavy wall sewer pipe which is SDR-35 O.D. with SDR-26 wall thickness.
A minium 4" (four inch) diameter shall be used for all laterals and 6" (6-inch)
shall be used for all commercial laterals and also for double laterals with both
services combining with the use of a 6" x 4" double wye fitting per standard
detail.
3. Joints: Pipe joints shall be bell and hub gasketed pipe, and fittings. All
bells shall be laid upgrade. No fernco couplings or fittings will be allowed;
only factory assembled solvent weld joints will be acceptable.
4. Bends: No bends shall be greater than 45 degrees.
5. The building connection shall be laid at a uniform grade of not less than 2%
(two percent), and not greater than 7% (seven percent). A drop connection shall
be used to adjust steep grades as required. Steep grades will be permitted where
topographic or other features warrant it.
2% - ¼" per ft. 1% = 1/8" per ft.
6. Clean outs - All laterals shall have a clean out installed 2' inside the
property line, one clean out within 3' of the building, and intermediate clean
outs at no greater than 75' (seventy-five feet) )intervals, as required.
Cleanout caps shall be heavy duty cast iron, shall be coated with black
asphaltum paint, and shall have a single piece gasket to produce a watertight
seal. A threaded brass plug with a countersunk head shall be used with the cast
iron casting. Anti-seize shall be applied on the treads to insure removal. All
cleanouts installed in concrete asphalt, or gavel driveways or parking areas
shall use a cast iron lamp hole for additional protection. All cleanouts shall
be constructed with long sweep clean out tee wye. Straight tees or sanitary tee
wyes are not acceptable.
7. Bedding - small size diameter gravel, CR-6 or #57 with a minimum of 6"
(six-inches) on the bottom and sides and 12" (twelve inches over the top of the
pipe).
8. All Lateral piping installed crossing driveways or within 3 L.F. of asphalt,
Gravel, or any other road stabilization material shall be C-900, Class 200 pipe.
Backfill in driveways shall be 100% gravel from bedding material to finish grade
or to the bottom of paving material.
9. All service laterals with less than
4% slope shall include a clean check backwater valve with a removable flapper
that is serviceable without excavation.
10. All sewer laterals serving customers with a private well or other private
water supply or as otherwise directed by the District shall include a sewer
control valve with a body designed to accept a removable screw plug for line
closure. Valves shall be as manufactured by Kodiak Controls or approved equal.
11. No down spouts, surface, or
subsurface water drains or sump pumps shall be connected to the building sewer.
12. The building sewer shall be maintained at no expense to the Berkeley County
Public Service Sewer District.
13. It is required that the property owner check to assure that all building
lines connected to the sanitary sewer are properly trapped and vented to assure
that sewer gas does not enter the building.
14. The property owner (applicant) shall be held responsible for failure to
comply with any of the provisions of this application.
15. No inspections will be made on weekends.
16. Inspection - should be arranged 48 hours in advance. Stone shall be placed
over the pipe prior to inspection. No other backfill will be permitted until
installation is accepted by District inspector.