I am in the design phase installing wet pipe sprinkler systems protecting new 
schools.

I have noticed that in several of the rooms in the schools(cafeteria, band 
room, main corridor that runs the length of the school), architect has designed 
lay-in ceiling systems with gaps ranging from 4" to 12" along the walls and 
between sections of ceiling within the rooms (floating ceiling sections).

I do not believe my non-combustible concealed space above the ceilings is 
concealed anymore and may require protection.

Has anyone dealt with this?

I have heard some discussion that if the total square feet of the openings is 
below a certain percent of the total square foot of a space, sprinkler 
protection above the space may not be required?

Interesting thing is that the school is being built as a "Green" project and 
seems like the designed openings would make the schools less energy efficient.

Anyone's help would be most appreciated...



Rick E. Green
District Manager
East Coast Fire Protection, Inc.
1113 Cavalier Boulevard
Chesapeake, Virginia 23323
757/485-7486(p), 757/295-0956(direct), 757/328-0131(cell)
[EMAIL PROTECTED]

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