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Fire Tank Calculation.

Fire Tank Calculation.

Fire Tank Calculation.

(OP)
Dear All,
My problem is this: how to calculate a central fire tank serving multiple of buildings in a common site.

I want to point to NFPA-13, it declares the "Water Supply Requirements for Pipe Schedule Sprinkler Systems, (Including Hose Stream Allowance)" - and then, tank could be calculated for each building, but not a central tank for all buildings!

But in NFPA-1142, "Annex H Calculating Minimum Water Supplies", it uses a different method for multiple buildings' storage tank calculation , and if you followed the examples written, the NFPA calculates tank capacity for each building, and chooses the largest one as a central tank for all the site buildings.

Is it a good assumption to say that "fire will only happen in one building at a time", or should we sum all fire tank capacities for all buildings , and the result would be the central fire tank??

Do any of the NFPA publications or practice code recommend  anything for the site "central fire tank" that serves multiple buildings??

thanks.

RE: Fire Tank Calculation.

Follow the example.  It is their way of saying that it is unreasonable to assume that all buildings are on fire at the same time.  If the fire repression system works, why would all buildings be on fire at the same time?  It is not the intention to protect for arson, nor massive explosions.

Only put off until tomorrow what you are willing to die having left undone. - Pablo Picasso

RE: Fire Tank Calculation.

Of course if you have certain knowledge that all buildings will be on fire at the same time... add all the tank sizes together. smile

Only put off until tomorrow what you are willing to die having left undone. - Pablo Picasso

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