Evolution 21- Metal Aerial as WATER TOWER

Question 1

AERIAL Is placed ?

Answer 1

25’ to 35’ feet from building (same as positioning in LADDERS 2) WITH TURNTABLE CENTERED FOR MAXIMUM COVERAGE OF STREAM

Question 2

Chauffeur Mounts Turntable:

Answer 2

• raise ladder sufficiently to CLEAR side brackets
• move ladder slightly to side
• set LADDER PIPE HANDLE- TOP 2 RUNGS
• -secures hoseline with hose straps
• attaches halyards to nozzle and handle

Question 3

Ladder should be at _______from ground?

Answer 3

70 degree angle /set RUNG LOCKS

Question 4

Stretch 3 inch hose line from pumper…connect to siamese…Officer commands, “start water”.open gate/direct stream….

Answer 4

90 psi max nozzle pressure

Question 5

2 coupled lengths (100 feet) of 3” hose carried in curb on running board or on deck alongside Aerial Ladder

Answer 5

on SOME APPARatus it is more efficient to PLACE LADDER PIPE before moving ladder to side

Question 6

How to move NOZZLE up and down?

Answer 6

HALYARDS (vertically)–

Question 7

If NOZZLE elevation will remain fixed?

Answer 7

Halyards tied at turntable

Question 8

Horizontal movement of pipe controlled by?

Answer 8

turntable ROTATION –CONTROLLED BY CHAUFFEUR

Question 9

Max elevation of fly ladder (tip to ground) with 1 1/2” tip, and under extreme conditions, is?

Answer 9

80 FEET

Question 10

DO NOT extend or retract fly ladder , until?

Answer 10

WATER is SHUT DOWN

Question 11

EV 21 A..

Answer 11

-hose carried on crib in 2 sections, PRE connected from the middle in such a manner one section is connected LADDER PIPE in front and the other section connected to SIAMES AT REAR

Question 12

PORTABLE ladder pipe is clamped to the center of TWO TOP RUNGS OF TOP SLIDING SECTION

Answer 12

recommended to supply ladder pipe from 2 separate sources (pumper , fire boat)

-IN SOME INSTANCES , it is necessary to remove ladder pipe before ladder can be completely bedded after use