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Ross Hollands
Dear all,   We have found some information within the CSPA aerosol propellants safety manual that implies you can only use carbon steel schedule 80 pipework and forged steel fittings when dealing with vapors and liquids up to 350 psig.   Our preference would be to use stainless steel pipe and fittings.  This means we do not need to pain the… (Show more)
in Industrial Hazards
In NFPA 1 - Table  MAQ’s of Hazardous Materials per Control Area, there are numerous footnotes that may apply to a given material. My question is in regards to footnotes C and D, which both allow a 100% increase in quantity and can be used accumulatively. Really the question is does this mean you increase the original MAQ by 100%… (Show more)
in Industrial Hazards
Kedwin Dominguez
Good Afternoon   I'm currently working on a project in the preliminary engineering stage.  Does any have any recommendations for companies that develop Area Classification Maps? From what I've been told, the Insurance company typically is responsible for this map.  Since this is also a chemical concentration evaluation, this should be done by a… (Show more)
in Industrial Hazards
Gavin Don
I have a two story WWTP where the wet well is located at the lower level, and directly above is a chemical storage area.  The chemical storage area requires and emergency shower, which requires a floor drain.  The floor drain is currently designed to penetrate the floor and is trapped, the pipe then runs horizontally and discharges into the wet… (Show more)
in Industrial Hazards
Stephen Burton
From the Fluorine Free Foam (F3) market is there a suitable CAF based suppression system with performance testing in AR-AFFF replacement system? Looking at either monitor/cannon controlled areas for storage of combustible liquids and filling stations. (200-400m2).   We know C8-long chain AFFF worked, but F3 has limitations in performance. CAF… (Show more)
in Industrial Hazards
Agustin Canavese
Hello everyone,   I am currently working on a fire protection project for a cellulose pulp warehouse with an approximate area of 30,000 m2 (322,800 ft2). The local regulation requires project compartments (fire walls) every 2,500 m2 (26,900 ft2) maximum, or, as an alternative, the installation of an automatic sprinkler system throughout the… (Show more)
in Industrial Hazards
Arleen Joy Renner
It states that flexible cords may not be used in permanent installations as specified below: (1) As a substitute for the fixed wiring of a structure (2) Where run through holes in walls, structural ceilings, suspended ceilings, dropped ceilings, or floors (3) Where run through doorways, windows, or similar openings (4) Where attached to building… (Show more)
in Industrial Hazards
Georges Karam
NFPA 13 and omission of sprinkler system: We are in the process of building a pyrolysis plant where pyrolysis gas and carbon black are by product.  The fire from both cannot be extinguished by water, and in addition the use of water directly on the fire will cause additional hazards.  A foam system is needed for dealing with the fires.… (Show more)
in Industrial Hazards
Jeramie Morris
NFPA 400, IFC and FM Datasheets call out pile storage arrangements. I understand and accept this arrangement.  Since rack storage is not mentioned in any of the documents, I am curious if there was ever data to show rack storage was too much fire risk.  Any test burn data?  Historical documents? 
in Industrial Hazards
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