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Another day in the life of the City of Los Angeles’ Methane Zone

October 18, 2011

Terra-Petra’s Deputy Methane Barrier Inspector Richard McClanahan was on site last week to witness the smoke test for the horizontal methane barrier at 17344 Signature Drive in Granada Hills and issue a LADBS form 07, Certificate of Compliance.

The project is in the City of Los Angeles Methane Zone and therefore requires such a certificate before the membrane may be covered or backfilled.

Smoke flowing around the base of pipe at membrane

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