Yes, this is acceptable. Run a concrete gutter through Yes, this is allowed for alleys this location, then proceed with with existing storm drains. the installation. Increase the 4 inches of porous What is required if one encounters rock surrounding the pipe to 12 continuously flowing groundwater inches or more. during the installation of subsoil drain pipe? Continue with the installation, Where it is not possible to convey the adding extra perforations to the discharge by gravity, subsoil drains pipe in this area. must discharge to _______ provided Direct the subsoil drain pipe to with an approved automatic electric a storm drain or approved pump. water course. an approved underground Terminate the piping at this water course location.
Yes, this is acceptable. Yes, this is allowed for alleys with existing storm drains. What is required if one encounters continuously flowing groundwater during the installation of subsoil drain pipe? Continue with the installation, adding extra perforations to the pipe in this area. Direct the subsoil drain pipe to a storm drain or approved water course. Terminate the piping at this location. Run a concrete gutter through this location, then proceed with the installation. Increase the 4 inches of porous rock surrounding the pipe to 12 inches or more. Where it is not possible to convey the discharge by gravity, subsoil drains must discharge to _______ provided with an approved automatic electric pump. an approved underground water course
2015%20UPC%20Ch%2011%20Storm%20Drainage%20Quiz%20_WA.docx