Eric,
I assume the shaft walls are sheetrock due to the wood framing.
Here in Vermont, sheetrock is considered a limited combustible material when
installed vertically, requiring the shaft to be protected. The standard
requires a noncombustible shaft.
Dick Culver
-Original M
Chris,
Aren't we supposed to calculate to the most hydraulically demanding
area? This would most likely be where these additional sprinklers are
needed. Our standard cautions us, when additional ESFR are required, to use
care in identifying the appropriate remote area which may require u
