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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 your 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

9 V battery is changed on the rad 50

Every three months JAJO

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