Flashcards in DW-Numbers2 Deck (125)
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Tower Ladder
Chassis support
Boom sections
Basket square footage
6
4
15sqft
1
Tower Ladder:
15 is found in five places in tower ladders
Basket 15sqft
Front end of TL angled 15°
Max slope 15%
Hose strap w 15' of 1/2" rope
15' loop on a bowline to substantial part of the basket
2
Max floor elevation of TL
70'
3
Angle that will provide max floor elevation
75° Angle to reach 70' height
4
Ideal distance to objective TL
32'
5
Floor elevation if TL is at ideal distance to objective
65' w TL 32' from objective
6
TL scrub area
7750sqft
60' H, 50'W, 100' frontage w cab 15°
7
Distance basket can reach below grade
10'
8
Distance of center line of turntable where there will be sufficient room to drop basket
25'
9
Nominal height of TL
75'
10
Grade ip to __are considered to be level
4%
11
Angle to drain waterway
60°
12
The rung in which the 15' 1/2" rope w hose strap must go through
6th rung
13
Total men in TL basket with pl operation
3 men
2 optimal
14
When drilling on pl operation in TL the basket should be at a height of
2-3'
15
When operating on a roof questionable stability with tools, stay within ___ radius
10 radius
16
Alpha radiation travel
1-2"
17
Beta radiation range
Up to 10'
18
Gamma radiation range
Several hundred feet
19
Rad50 alarms at
1mr/hr
20
Hot zone is established at
2mr/hr
21
Max reading rad50
50mr/hr
22
Average annual dose of radiation people receive from background
360 mr
23
Normal background radiation read the New York City
0.02 - 0.05 mr
Ludlum w pancake probe 25-100cpm
24
Members receiving absorbed doses should be rotated at this dose level
5 REM
25
Members receiving an absorbed dose for protection of major property should be at this level
10 Rem
26
Members receiving the up your dose for life saving purposes should be rotated at this dose level
25-50 Rem
27
Radio active hazard class number
7
28
Maximum level radiation on the surface of a yellow III package
200mr/hr
maximum level radiation on the surface 1 meter 10 mr/hr
(transportation index should not exceed)
29
