The NAVCC Collections building is largely underground (built into a
mountainside), and the sprinkler system is required by Virginia state
code for underground facilities.
>>> [log in to unmask] 02/18/04 11:33:17 PM >>>
I'm surprised that the backup system is wet pipe rather than dry pipe
pre-action? May I ask why?
At 06:28 PM 2/18/2004 -0500, you wrote:
>Hannah - For the Library of Congress' main new collections storage
>facility at the National Audio-Visual Conservation Center in
>Virginia, we are utilizing a layered dual-system fire protection
>approach, with an FM200 gas-based system as the initial primary
>suppression agent back up by a wet-pipe sprinkler system.