Questions From the Field February 16, 2022 Leave a Comment Questions from the Field is a selection of questions NPCA Technical Services engineers received from calls, […]
The Danger That Lurks Below August 3, 2018 Leave a Comment In June, city workers conducting regular maintenance in downtown Indianapolis detected an underground sinkhole that, thankfully, […]
New ASTM Standard Creates Value for NPCA Members April 13, 2017 Leave a Comment NPCA members that manufacture manholes received a big boost in 2016 that should be kept in […]
Precaster’s Notebook: Fixing Manhole Installation Problems January 14, 2013 Leave a Comment How to assess and repair manholes with misaligned rungs, leaks and section damage from improper backfill […]
Precaster’s Notebook: Fixing Manhole Installation Problems December 21, 2012 Leave a Comment By Gary K. Munkelt, P.E. Drawings by Sue McCraven, NPCA What problems become obvious during installations, […]