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// CODE SNIPPET

710.10 Sump and Receiving Tank Covers and Vents

2021 Oregon Plumbing Specialty Code > 7 Sanitary Drainage > 710.0 Drainage of Fixtures Located Below the Next Upstream Manhole or Below the Main Sewer Level > 710.10 Sump and Receiving Tank Covers and Vents
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Sumps and receiving tanks shall be provided with substantial covers having a bolt-and-gasket-type manhole or equivalent opening to permit access for inspection, repairs, and cleaning. The top shall be provided with a vent pipe that shall extend separately through the roof or, where permitted, be combined with other vent pipes. Such vent shall be large enough to maintain atmospheric pressure within the sump under normal operating conditions and, in no case, shall be less in size than that required by Table 703.2 for the number and type of fixtures discharging into the sump, nor less than 11/2 inches (40 mm) in diameter. Where the preceding requirements are met and the vent, after leaving the sump, is combined with vents from fixtures discharging into the sump, the size of the combined vent need not exceed that required for the total number of fixtures discharging into the sump. No vent from an air-operating sewage ejector shall combine with other vents.

Related Code Sections


710.10 Sanitary Drainage, Sump and Receiving Tank Covers and Vents
Sumps and receiving tanks shall be provided with substantial covers having a bolt-and-gasket-type manhole or equivalent opening to permit access ...
2021 Oregon Plumbing Specialty Code > 7 Sanitary Drainage > 710.0 Drainage of Fixtures Located Below the Next Upstream Manhole or Below the Main Sewer Level > 710.10 Sump and Receiving Tank Covers and Vents
P3007.3.2 Sanitary Drainage, Sump
materials. The sump bottom shall be solid and provide permanent support for the pump. The sump shall be fitted with a gas-tight removable cover ...
2021 Oregon Residential Specialty Code (ORSC) > 30 Sanitary Drainage > P3007 Sumps and Ejectors > P3007.3 Sump Design > P3007.3.2 Sump
P3113.4 Vents, Sump Vents
Sump vent sizes shall be determined in accordance with Sections P3113.4.1 and P3113.4.2 ...
2021 Oregon Residential Specialty Code (ORSC) > 31 Vents > P3113 Vent Pipe Sizing > P3113.4 Sump Vents
710.2 Sanitary Drainage, Sewage Discharge
or receiving tank, so located as to receive the sewage or wastes by gravity. From such sump or receiving tank, the sewage or other liquid wastes shall be lifted ...
2021 Oregon Plumbing Specialty Code > 7 Sanitary Drainage > 710.0 Drainage of Fixtures Located Below the Next Upstream Manhole or Below the Main Sewer Level > 710.2 Sewage Discharge
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