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A chemical waste system shall be completely separated from the sanitary drainage system. The chemical waste shall be treated in accordance with Section 18-29-803.3 before discharging into the sanitary drainage system. Separate drainage systems for chemical wastes and vent pipes shall comply with the applicable standards listed in Table 18-29-702.1 or 18-29-702.6 and shall be made of materials that are resistant to corrosion and degradation for the concentrations of chemicals involved.
Material | Standard |
Chlorinated polyvinyl chloride (CPVC) plastic pipe
|
ASTM F2618
|
Glass pipe
|
ASTM C1053
|
Polyolefin pipe
|
ASTM F1412; CSA B181.3
|
Polyvinylidene fluoride (PVDF) plastic pipe
|
ASTM F1673; CSA B181.3 |
(Amend Coun. J. 10-14-21, p. 37722, Art. VII, § 2)
Safe pans shall conform to the material and construction requirements in Sections 18-29-702.8.1 through 18-29-702.8.2.
(Added Coun. J. 10-14-21, p. 37722, Art. VII, § 2)
Safe pans shall be made of copper, aluminum, galvanized steel, stainless steel, PVC or fiberglass material, and shall meet the following requirements:
1. Copper sheets for safe pans shall weigh at least 12 ounces per square foot (3662 g/m
2
).
2. Aluminum, galvanized steel and stainless steel safe pans shall be of at least 24 gauge material.
3. PVC safe pans or liners shall be 30 mil (0.76 mm) or 40 mil (1.02 mm).
4. Fiberglass for safe pans or liners shall be equally durable to PVC material described in item 3.
(Added Coun. J. 10-14-21, p. 37722, Art. VII, § 2)
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