Play Slideshow >>
Removing Interior Sources of Inflow and Infiltration
Without an air gap, lines to underground sump pump discharges could freeze or get clogged. Photo: RJN Group Inc.
Typical configuration for a storm sump connected to the sanitary sewer with a diverter valve. Drawing: RJN Group Inc.
Dye test to confirm the location of a sump pump's discharge point (here, it's the larger white PVC with metallic hanging strap). To identify a footing tile, auger drill along the foundation while dye testing or inspect the service lateral from the cleanout or main sewer with a launcher camera. Both methods can produce a false positive, but they're much more reliable than smoke testing. Photo: RJN Group Inc.
High-density residential areas with poor drainage impact options for backyard sump discharges. Image: RJN Group Inc.
Due to the extreme winter weather and amount of surface water at the site, contractor...
Inflow and Infiltration
The Hydraulic Institute (HI) helped to create standards for the Appliance Standards and...
Please read our Content Guidelines before posting.
2015 Hanley Wood Media, Inc. All rights reserved.