(A) Storm sewer. The contractor may select particular pipe material for a project from the below listed table, unless otherwise specified on the plans or in the bid documents. These pipe specifications shall govern subject to anticipated loading on the pipe. Flared end sections shall be RCP for RCP pipe and CMP for CMP pipe. Flared end sections for PVC and HDPE pipe shall be HDPE or CMP.
Type | Size Limitations | Pipe Material Specifications | Joint Specification | Pipe Envelope | Use Limitations |
Type | Size Limitations | Pipe Material Specifications | Joint Specification | Pipe Envelope | Use Limitations |
RCP | All | ASTM C76, Class III (minimum) | ASTM C361 and C443 | Class C, Type 1 | None |
ARCH RCP | All | ASTM C506 Class A III (minimum) | Rubber rope gasket | Class C, Type 1 | None |
ELLIP RCP | All | ASTM C507 Class HE II or VE II (minimum) | Rubber rope gasket | Class C, Type 1 | None |
CM P | All | AASHTO M36, M190 or M245 | Class B, Type 3 | Under driveways as culverts | |
N-12 or approved equivalent | 4 to 10 inches | AASHTO M252 | AASHTO M252 | Class B, Type 3 | None |
N-12 or approved equivalent | 12 to 48 inches | AASHTO M294 | AASHTO M252 | Class B, Type 3 | None |
A-2000 or approved equivalent | 4 to 36 inches | AASHTO F949 | ASTM D3212 F477 | Class B, Type 3 | None |
(B) Sanitary sewer.
Type | Size Limitations | Pipe Material Specifications | Joint Specification | Pipe Envelope |
Ductile Iron Pipe (DIP) | None | Pressure Class 350, ANSI A21.51 | ANSI A21.11 | Class C, Type 1 |
Polyvinyl Chloride (PVC) | 4 to 6 inches | SDR 23.5 ASTM D3034 | ASTM D3212 F477 | Class B, Type 3 |
8 to 15 inches | SDR 26 ASTM D3034 | ASTM D3212 F477 | Class B, Type 3 | |
Plastic Truss (ABS or PVC) | 8 to 15 inches | ASTM D2680 | ASTM D3212 | Class B, Type 3 |
A-2000 (PVC) | None | ASTM F949 | ASTM 3212 F477 | Class B, Type 3 |
(1) The contractor may select particular pipe material for a project from the below listed table, unless otherwise specified on the plans or in the bid documents. These pipe specifications shall govern subject to anticipated loading on the pipe.
(2) Sanitary sewer pipe trench depths exceeding 20 feet, pipe material shall be ductile iron. Depth exceeding 20 feet pipe envelope shall be per manufacturer’s recommendations and as approved by the engineer.
(3) Sump pump discharge pipe shall be PVC D1785, SDR 35 or approved equivalent. Bedding shall be a minimum of Class B, Type 3. The minimum size for a sump pump lateral from a single property to the sump pump main line shall be four-inch diameter. The minimum size for a sump pump discharge main line shall be eight-inch diameter and sized for the number of discharge connections. Discharge pipe shall not be located in the front of the lot, if electric is located in front of the lot. Lateral connections off the main line shall be extended to the property line or easement line. The sump pump discharge pipe header shall be provided with a cleanout structure, in accordance with standard detail SD-13, every 300 feet minimum and at the end of the line. Sump pump lines shall not be blind connected to a storm sewer pipe. Sump pump services shall be marked with a four by four wooden post painted white and a three-fourths inch diameter steel rebar three-foot long driven into the ground flush with the surface next to the wooden post. New service taps on existing sump pump lines shall be constructed in accordance with Standard Detail SD-10.