hi. i am little bit confused about fire hydrant testing. what is the criteria to select the number of hydrants to flow during testing. as per AHJ, the minimum acceptable residual pressure is 50 psi. Thanks.
As you see on the drawing, 'The Operation center' is an open from 1st floor to 2nd floor. (It shares one ceiling of 2nd floor, There's no ceiling on 1st floor) In this situation, where should the sprinkler pipe be connected to? is it okay to connect the sprinkler pipe to the 2nd floor's floor control valve? or must be connected to 1st floor?3… Show more
Hello, can anyone please tell me if there is any special certification required to perform the pulmonary function or audiometer part of fire fighter physicals such as NIOSH certification? Thanks!
We are being told that they cannot be used due to static build up We are also being told they are fine if bonded? Multiple grounds per length of pipe. Who is right? We are running and okay in one of our plants in Canada, and shut down in our second plant. The second plant says remove the spiral pipe there is no mitigation, we also have to… Show more
I am looking for standards related to NFPA 80 (ideally NFPA or UL Designs) for 3-hour rated hollow metal doors and frames built into wood construction. We have been using ASW 2600 by the Gypsum Association together with two 3 hour wood framed walls (essentially 3 walls stacked together) using break away clips to allow each outside wall to collapse… Show more
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