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12 hours ago
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Joined: Jan 2014
Posts: 340 Likes: 3
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Joined: Jan 2014
Posts: 340 Likes: 3 |
I just looked up a current copy of CPS 378. There is an Aug 2013 release of it. It was expanded from 6 to 16 pages. Anti-seep collars are no longer discussed as an alternative to the filter diaphragm. The copy Esshup cited a month or so ago was the short May 2011 version and it said "when anti-seep collars are used in lieu of drainage diaphragms, they shall..." It goes on to give brief details on spacing and adding 15% to path length for seepage. That entire section is not in the Aug 2013 version. Are they trying to never do anti-seep collars now? Latest CPS 378
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