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Pipe fittings shall be approved for installation with the piping material installed and shall conform to the respective pipe standard listed in Table 18-29-702.4.
Material | Standard |
Material | Standard |
Cast-iron pipe hub & spigot | ASME B 16; ASME B16.12; ASTMA 74; ASTM A 888; CISPI 301 |
Cast iron hubless c | ASTM A 888; CISPI 301 |
Copper or copper alloy | ASME B16.15; ASME B16.18; ASME B16.22; ASME B16.2-3; ASME B16.26; ASME B16.29; ASME B16.32 |
Glass b | ASTM C 1053 |
Polypropylene or Polyvinylfluorodene (PVDF) b | ASTM F11412; ASTM D4101 |
Gray iron and ductile iron a | AWWA C110 |
Malleable iron | ASME B16.3 |
Polyvinyl chloride (PVC) plastic c | ASTM D 3311 |
Steel | ASME B16.9; ASME B16.11; ASME B16.28 |
High Silicon content cast iron pipe b | ASTM F492-1985 |
Ductile iron pipe | AWWA C151; AWWA C115 |
a May be used on aboveground storm and sanitary only.
b For acid waste piping only.
c In any building three stories or less in height for residential occupancy only.
(Amend Coun. J. 7-29-15, p. 3537, § 4)
A chemical waste system shall be completely separated from the sanitary drainage system. The chemical waste shall be treated in accordance with Section 18-29-803.2 before discharging to the sanitary drainage system. Separate drainage systems for chemical wastes and vent pipes shall be of an approved material that is resistant to corrosion and degradation for the concentrations of chemicals involved.
All glass pipe shall be of corrosion resistant pre- stressed low expansion borosilicate glass. Couplings shall be made with gasketing of equal corrosion resistant characteristics.
Standard Schedule | Heavy Schedule | ||
Inches | Millimeters | Inches | Millimeters |
1 1/2 - 0.12 | 38 mm - 3 mm | 1 1/2 - 0.17 | 38 mm - 4 mm |
2 - 0.14 | 50 mm - 4 mm | 2 - 0.17 | 50 mm - 4 mm |
3 - 0.17 | 75 mm - 4 mm | 3 - 0.20 | 75 mm - 5 mm |
4 - 0.20 | 100 mm - 5 mm | 4 - 0.26 | 100 mm - 7 mm |
6 - 0.24 | 150 mm - 6 mm | 6 - 0.33 | 150 mm - 8 mm |
Wall thickness of the glass pipe and fitting shall follow the specifications in Table 18-29-702.5.1.
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