O.G. 5.23 attachment 2

Question 1

Inspection Hole

Answer 1

a diagnostic cut to determine the type direction and spacing of rafters as well as sheathing type and direction.

Question 2

A heat hole will reduce horizontal spread and also ________________

Answer 2

reduce potential for flashover and backdraft.

Question 3

Do not conduct ventilation Operations directly over the fire in what type of construction?

Answer 3

lightweight (truss or panelized)

Question 4

When conducting vertical ventilation operations, trading space for time will allow ___________________________

Answer 4

the roof operations to be complete before fire impinging on the hole being cut.

Question 5

_____________________ prior to initiating operations for a trench cut.

Answer 5

A heat hole should be complete or fire should be naturally vented.

Question 6

____________ should be placed between the heat hole and the trench cut.

Answer 6

indicator holes

Question 7

An initial trench width of ________ can be sufficient

Answer 7

24”-48”

Question 8

Lightweight roofs can fail within _______________

Answer 8

5 minutes of structural fire impingement