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If we install air aspirating system then there is no need of infra red beam detectors as per standard?

Question asked by maqsoodasif17 on Apr 6, 2019
Latest reply on Apr 29, 2019 by rstadtman

We have oil rig Manufacturing warehouse of  length 128.12 , width 62.82 and height 13 meters,contractor  has proposed vesda  air aspirating  system, saying that if we install  air aspirating detection  then there is no need of beam detectors?