18-29-1101.9 Backwater valves.

   Backwater valves installed in a storm drainage system shall conform to Section 18-29-715.

18-29-1102 Materials.

18-29-1102.1 General.

   The materials and methods utilized for the construction and installation of storm drainage systems shall comply with this section and the applicable provisions of Article 18-29-7.

18-29-1102.2 Inside storm drainage conductors.

   Inside storm drainage conductors installed above ground shall conform to one of the standards listed in Table 18-29-702.1.

18-29-1102.3 Underground building storm drain pipe.

   Underground building storm drain pipe shall conform to one of the standards listed in Table 18-29-702.2, except that neither polyvinyl chloride (PVC) nor polypropylene (PPL) pipe and fittings shall be allowed in stormwater detention applications as oversized pipe.

18-29-1102.4 Building storm sewer standards.

   Building storm sewers shall conform to one of the standards listed in Table 18-29-702.3.

(Amend Coun. J. 3-27-02, p. 82090, §§ 1, 3; Amend Coun. J. 7-29-15, p. 3537, § 4)

18-29-1102.5 Subsoil drain pipe.

   Subsoil drains shall be open-jointed, horizontally split or perforated pipe conforming to one of the standards listed in Table 18-29-1102.5, except corrugated pipe is not allowed.

Table 18-29-1102.5
Subsoil Drain Pipe

 

Material	Standard
Cast-iron pipe	ASTM A74; ASTM A888; CISPI 301
Polyethylene (PE) plastic pipe	ASTM F405; ASTM F667; CSA B182.1; CSA B182.6; CSA B182.8
Polyvinyl chloride (PVC) plastic pipe (Type Sewer Pipe, PS25, SDR35, PS50 or PS100)	ASTM D 2729; ASTM D3034; ASTM F891; CSA B182.2; CSA B182.4
Stainless steel drainage systems, Type 316L	ASME A112.3.1
Vitrified clay pipe	ASTM C4; ASTM C700

 

(Amend Coun. J. 7-29-15, p. 3537, § 4; Amend Coun. J. 10-14-21, p. 37722, Art. XI, § 3)

18-29-1102.6 Roof drains.

   Roof drains shall conform to ASME A112.21.2.