Week 5 Partitions

Question 1

What is a fire separation?

Answer 1

A construction assembly that acts as a barrier against the spread of fire and smoke

Question 2

What is a Fire Resistance Rating (FRR)

Answer 2

Time in hours or minutes that an assembly can withstand the passage of fire and transmission of heat

Question 3

What is the FRR for a firewall?

Answer 3

2 or 4 hour requirements

Question 4

What does a fire rated steel floor require?

Answer 4

-requires to spray fireproofing or GWB encasing

Question 5

How are concrete slabs fire rated?

Answer 5

By minimum thicknesses and minimum rebar cover.

Question 6

What is the typical FRR for Concrete Shafts for exit stairs or elevators?

Answer 6

1 or 2 hours, usually matches required floor separation rating

Question 7

What are the steel stud sizes?

Answer 7

always 32mm deep.
32x41
32x64
32x92
32x152
32x203

Question 8

What is used in steel stud framing at the underside of a slab?

Answer 8

-deflection head track

Question 9

What is the required gap at floor when installing GWB for steel stud framing?

Answer 9

10mm

Question 10

What is required for fire rated walls?

Answer 10

• Type X board
• continuity and edge seal
• dampers in duct openings at walls
• fire stopping to penetrations
• closing doors