Evolution 21A Rearmount Aerial used as a water tower Flashcards
Place apparatus __’ to __’ from building with turn table centered for maximum coverage.
3.1
25’ to 30’
Number 1 man: Passes pipe to #2 man, assists him in securing pipe to ladder, and attaches hose strap on hose on what part of the hose?
3.5
Just below ladder pipe inlet.
When using a Rearmount aerial as a water tower and the fire is on the same side as the hose bed what part of the apparatus do we walk the hose around?
3.7
Assists #1 to feed hose onto ladder as it is raised from bed. Assists #1 to walk hose around rear of the apparatus if fire is on the same side of apparatus as the hose crib.
Halyards shall be tied to turntable when ladder pipe is to remain in what position?
Notes E.
A fixed position
Maximum extension of ladder with 1 1/2” tip is __ feet. Maximum pressure on nozzle is __ psi for a solid stream nozzle.
Fill in the blanks
Notes F.
80 feet
90 psi
Salt water can be used for drill as long as we flush the system with fresh water for 15 minutes.
True or False
Additional Notes A.
False
Salt water shall never be used in drills.
When it is possible to jack knife the truck, it is recommended that it be jack knifed with the cab facing in what direction in regards to the building?
Additional Notes B.
Facing the curb closest to the fire building.
When the street has a severe crown, allowances must be made to insure ladder angle does not exceed __ degrees.
Fill in the blank
Additional Notes C.
70
The portable ladder pipe is clamped to the center of the what rungs of the top sliding section of the aerial ladder?
Additional Notes D.
The top two rungs
The hose strap is secured what part of the ladder pipe, taking care to attach it only to the top sliding section.
Additional Notes E.
Just below the swivel
The force of gravity acting to lower the ladder and the nozzle reaction from the operating stream tend to neutralize each other when the water is flowing. If for any reason the flow of water is suddenly shut off, the ladder will be subjected to severe structural stresses and strains; therefore the recommended procedure is to supply a ladder pipe from how many sources of water?
Additional Notes I.
Two separate sources of water (pumper, fireboat).
