Why it is important to ensure proper installation guidelines are specified for storm drain products and followed in the field.

The following are major installation requirements that are not being followed in the video which increase the level of risk to the owner, contractor and engineer.

  •  No 4 inch to 6 inch compacted lifts per Manufacturer’s Installation Guide
  • No knifing of backfill material under the haunches of the pipe, or between the corrugations per Manufacture’s Installation Guide
  • No compaction equipment used (pipe can be seen shifting off alignment due to uncompacted backfill and force of dumped backfill material)
  • No equipment for density checks

Screen Shot 2016-05-04 at 1.05.21 PM

 

Leave a Reply

Your email address will not be published. Required fields are marked *

08May 2017

The CPCPA has written a letter strongly urging the Appropriations Committee to reject AB 262 unless concrete is removed from the bill. AB 262 seeks to measure environmental impact during only the early stages of the life cycle rather than the entire life cycle. This “cradle to gate” approach is not appropriate for products purchased with the expectation […]

21Jun 2016

Do you really know what is happening with that buried CSP conduit? Whenever someone claims that corrugated steel drains and culverts “rarely” fail, it is wise to remember that while one in a hundred may be “rare”; one in one hundred is a lot more than zero failure considering countless CSP installations! Click here to […]

02May 2016

Why it is important to ensure proper installation guidelines are specified for storm drain products and followed in the field. The following are major installation requirements that are not being followed in the video which increase the level of risk to the owner, contractor and engineer.  No 4 inch to 6 inch compacted lifts per […]

02May 2016

Why it is important to ensure proper installation guidelines are specified for storm drain products and followed in the field.

11Feb 2016

CPCPA Member Companies hosting plant tours for Caltrans, Agencies and Design Engineers from Napa to San Diego. Please contact Russell Tripp to schedule a plant tour.