bwstrg roofs Flashcards
0
Q
Buildings with bowstring truss roof’s must be entered into the ecids program, with the abbreviation ______as the FD designation
A
BWSTRG
1
Q
Updated calculations have revealed that bowstring truss roof’s may only support ____% of the load they were originally designed to hold
A
40%
2
Q
Open web steel joists come in standardized lengths, depths and carrying capacities. They are used to span Long distances up to __feet
A
Up to 60 ft
3
Q
Unprotected open web steel joists are particularly vulnerable to elevated temperatures of a fire and may collapse after only ______minutes
A
5-10 mins