Ch. 13 Private Dwellings

Question 1

Most serious design defect in multistory homes is:

Answer 1

Lack of enclosed stairway

Question 2

2nd major problem (PDs)

- after open stairway

Answer 2

Lack of code requirements for interior finishes

Question 3

Proper position for first engine is:

Answer 3

Just PAST fire bldg

Question 4

Ledger board sign of:

Answer 4

Balloon frame construction

Question 5

Majority of fire in private dwellings (PDs) is where

Answer 5

Below the 2nd story

-either cellar or 1st floor

Question 6

Fire deaths in private dwellings (PDs)

Answer 6

More than 70%

Question 7

PDs firefighting activities (4)

Answer 7

Supply
Stretch charged line to protect bedroom exits
VES of ALL areas
Extinguish fire

Question 8

Second line assignment

Answer 8

Backup-same location as first
If needed, assist first and third line brought in as backup
If not needed, covers floor above fire

Question 9

By far the fastest method of applying water (PDs)

Answer 9

Inline stretch of LDH, from hydrant into the fire

Question 10

Serious cellar fire and suspect balloon framing.

Outside wall, tear off molding, punch a hole and find 2x4 lying flat, this is a plate and _____________.

Answer 10

Balloon framing IS NOT present

Question 11

If fire in balloon frame, 3 lines:

Answer 11

First to cellar
Second back up first
Third goes to top floor or attic

Question 12

Exceptions to roof vent with lower floor fires (2)

Answer 12

Cellar or basement fire in balloon-frame house
Lower-floor fire vents out window and ignites combustible siding, extending up eaves (most serious-asphalt/gasoline siding)

Question 13

PDs are primarily constructed with __________. These designed to shed snow better than flat, so joists can be ________. So ________ is common.

Answer 13

Peaked roofs
Of smaller size
2x6 in. lumber, 16-24 in. on center (maybe even 2x4 in older)

Question 14

Old to new, roof sheathing in PDs

Answer 14

Furring strips, 1x2 in., 6 in. on center THEN
1x6 tongue and groove for sheathing
Latest is plywood or OSB for surface (same or LESS stability as T and G)

Question 15

Slate vs Tile

Answer 15

Slate-scraped off
Tile-pried off with pointed tool
BOTH broken loose, sharp edged, heavy, extremely slick

Question 16

Venting roof

Safety again dictates __________ members (preferably experienced) be assigned to the task.

Answer 16

At least two

Question 17

Low pitch roofs

Answer 17

15-20 degrees

Power saw may be used

Question 18

High pitched roofs

Answer 18

Circular and chain saws extremely dangerous

If not operating from basket, use an axe

Question 19

Side of the peak in which the hole should be made is determined by the direction of the wind

Answer 19

Hole on downwind side-helps gas escape

Hole on upwind side-heat blown back toward HOSELINE crew

Question 20

(Roof)Weight that under fire conditions that could be straw that breaks camels back?

Answer 20

Older satellite dishes

Question 21

3 cuts for roof (PDs)

Answer 21

Standard cut-4x4 ft. cut, spans at least 2 joists and 14 nails
Quick cut-allows roof to hinge, plywood sheathing
Triangular opening-(from basket) spans several joists, difficult to cut, limited vent, advantage-member never sets foot on roof

Question 22

If solar panels are located directly over the best site for ventilation, must decide whether to: (2)

Answer 22

Move farther away from seat of fire OR
Place it on the other side of the peak
Conditions at scene must dictate this decision

Question 23

Most authorities recommend a hole of approximately ________ for private dwelling fires.

Answer 23

4 x 4 ft