Chapter 9 - Heavy Timber and Mill Construction Flashcards
What can potentially be an area of refuge for evacuating firefighters
Stair shafts
What is the most common modern heavy timber building
Church
What is the minimum dimension for heavy timber floor beams
6x10 in
What three sizes does cross laminated timber incorporate
2x4’
2x6’
2x8’
How many layers does CLT have
As few as three to more than seven
What are the dimensions of CLT
2 to 10 ft wide
60 ft long
What category of heavy timber construction will allow maximum of 18 stories?
Type IV-A.
Provided the mass timberwood is covered with gypsum board
“A team”
What category of heavy timber construction will allow maximum of 12 stories?
Type IV-B with limited areas of mass timber walls and ceilings left exposed.
Which category of heavy timber construction will allow maximum of 9 stories?
Type IV-C with all the mass timber exposed.
What are the possible dimensions of MPP
12’ wide
48’ long
24’ thick
What is critical in tall timber structures to recognize?
Recognizing that these high-rise buildings themselves are now part of the fuel load
What is necessary to prevent the heavy timber building from becoming a spectacular fire?
A fully automatic sprinkler protection.
What is a yard hydrant
A hydrant with a 2 and 1/2-in outlet and no pumper connection
What is a key point of the prefire plan for heavy timber buildings
Determining how the water is to be applied in sufficient quantity to stop the production of heat and protect exposures.
What initial pump pressure should apparatus operator know that is required to support a sprinkler system
100 psi
