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How to design the Sub Soil Drain system and select the Sump pump?

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Hi,

How to Design the Sump Pump for the Sub Soil Drain Sump.

Also how to calculate the Sump pit capacity for the Sub Soil Drain.

 

Regards

Sunil
asked Jul 21, 2017 by Sunil Kumar

1 Answer

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There are 2 different method for designing the sub soil drain system:

A-  Balding with site:  

If building has a larger site plan than the building foot print and there are adequate lands around the building, then can install a 4” perforated PVC pipe loop around the exterior of the building and at the building foundations (by coordination with the structural engineer for the location of pipe versus foundations) with 0.5% slope, then run a solid PVC pipe from the nearest point of the loop to the sump pump system’s pit inside the basement.

B-  Balding without site:  

If building does not have a larger site plan than the building foot print and there are not lands around the building, then can install a 4” solid PVC pipe loop inside the basement within a reasonable distance from the building foundations (by coordination with the structural engineer for the location of the pipe versus foundations) with 1% slope, then run a solid plastic pipe from each foundation pocket or every 10 ft from foundations’ continues trench (provided by structural engineer for foundations) to the loop and connect the loop by a solid PVC pipe from the nearest point of the loop to the sump pump system’ pit inside the basement.

 

If the building foundations are utilized with a hydrostatic wall (design by structural engineer), then no sub soil drain is needed.

 

Click on below link for sizing sump pump:

http://www.mepanet.com/230/size-sump-waste-water-collection-storm-drain-subsoil-drain

 

See below detail for typical sizing the Sump PumP Pit:

 

answered Aug 25, 2017 by Devan Talebi
edited Sep 3, 2017 by Devan Talebi

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