Aerial Apparatus Construction & Positioning

Question 1

NFPA 1901 Aerial Ladder

Minimum width for ladder section

Answer 1

18”

Question 2

NFPA 1901 Aerial Ladder

Minimum amount of sections and length

Answer 2

At least two sections, minimum of 50’

Question 3

NFPA 1901 Aerial Ladder

Rungs spaced ____ on center

Answer 3

14”

Question 4

NFPA 1901 Aerial Ladder

< 110’ with stabilizers set required to be raised/rotated 90° in ____ seconds or less

> 110’

Answer 4

< 110’ = 120 seconds or less

> 110’ = 180 seconds or less

Question 5

NFPA 1901 Elevating Platform

Protective fog curtain minimum ____gpm

Answer 5

75gpm

Question 6

NFPA 1901 Elevating Platform

Minimum load capacity wet/dry

Answer 6

Dry: 750lbs

Wet: 500lbs

Question 7

NFPA 1901 Elevating Platform

<110’ (stabilizers set) required to be raised/rotated 90° in ____ seconds or less

Answer 7

150 seconds or less

Question 8

Four main tactical uses for any aerial device

Answer 8

1. Rescue
2. Access to upper floors
3. Ventilation
4. Fire Suppression

Question 9

Max. windspeed for ladder operation

Answer 9

50mph

Question 10

Max loading for AFR ladders is between ____ and ____ degrees

Answer 10

70 to 80 degrees

Question 11

What position do all AFR ladders operate in?

Answer 11

The cantilever position

Question 12

Minimum tip load after 1991

Answer 12

250lbs