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// CODE SNIPPET

1113.1 Pumping System

2015 Michigan Plumbing Code > 11 Storm Drainage > 1113 Sumps and Pumping Systems > 1113.1 Pumping System
JUMP TO FULL CODE CHAPTER
The sump pump, pit and discharge piping shall conform to Sections 1113.1.1 through 1113.1.4.

1113.1.1 Pump Capacity and Head

The sump pump shall be of a capacity and head appropriate to anticipated use requirements.

1113.1.2 Sump Pit

The sump pit shall be not less than 18 inches (457 mm) in diameter and not less than 24 inches (610 mm) in depth, unless otherwise approved. The pit shall be accessible and located such that all drainage flows into the pit by gravity. The sump pit shall be constructed of tile, steel, plastic, cast iron, concrete or other approved material, with a removable cover adequate to support anticipated loads in the area of use. The pit floor shall be solid and provide permanent support for the pump.

1113.1.3 Electrical

Electrical service outlets, when required, shall meet the requirements of NFPA 70.

1113.1.4 Piping

Discharge piping shall meet the requirements of Section 1102.2, 1102.3 or 1102.4 and shall include a gate valve and a full flow check valve. Pipe and fittings shall be the same size as, or larger than, the pump discharge tapping.

Exception: In one- and two-family dwellings, only a check valve shall be required, located on the discharge piping from the pump or ejector.

Related Code Sections


1113.1 Storm Drainage, Pumping System
The sump pump, pit and discharge piping shall conform to Sections 1113.1.1 through 1113.1.4 ...
2015 Michigan Plumbing Code > 11 Storm Drainage > 1113 Sumps and Pumping Systems > 1113.1 Pumping System
P3303.1 Storm Drainage, Pumping System
The sump pump, pit and discharge piping shall conform to Sections P3303.1.1 through P3303.1.4 ...
2015 Michigan Residential Code > 33 Storm Drainage > P3303 Sumps and Pumping Systems > P3303.1 Pumping System
1113.1.3 Storm Drainage, Electrical
Electrical service outlets, when required, shall meet the requirements of NFPA 70 ...
2015 Michigan Plumbing Code > 11 Storm Drainage > 1113 Sumps and Pumping Systems > 1113.1 Pumping System > 1113.1.3 Electrical
1113.1.4 Storm Drainage, Piping
and fittings shall be the same size as, or larger than, the pump discharge tapping. Exception: In one- and two-family dwellings, only a check ...
2015 Michigan Plumbing Code > 11 Storm Drainage > 1113 Sumps and Pumping Systems > 1113.1 Pumping System > 1113.1.4 Piping
P3303.1.2 Storm Drainage, Sump Pit
permanent support for the pump ...
2015 Michigan Residential Code > 33 Storm Drainage > P3303 Sumps and Pumping Systems > P3303.1 Pumping System > P3303.1.2 Sump Pit
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