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Ladder Company Operations > Ladders 6 > Flashcards

Ladders 6 Flashcards

1
Q

Chasis has 6 points while boom is in operation…

A

2-hydraullically operated jacks in front
2-hydraullically operate jacks in rear

2-out rigger type jacks in the middle

MECHANICAL LOCKS provided at each jack/outrigger- PINS must be inserted manually

jacks and outriggers are controlled by individual lever or “all” jacks lever

ALL JACKS is preferred method when on LEVEL GROUND

-jacks and outriggers lowered until every green light on panel is illuminated

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2
Q

ALL JACKS and OUTRIGGERS must be lowered until each reaches end of its stroke before raising boom….

A

EXCEPTION: if apparatus is not level…lower jacks AND OUTRIGGER ON THE LOW SIDE FIRST….then on high side until GREEN LIGHT indicates that all stabilizers are properly deployed.

  • ALL members exiting apparatus should alert chauffeur of street conditions that may impact jack/outrigger ops
  • stabilizers should not be lowered into deep sand or mud
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3
Q

Guide FF is to remain in position until outrigger is FULLY lowered on the operator’s…

A

BLIND SIDE

  • addtional clearance by tilting outrigger pad
  • use ‘knuckle’ for guide
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4
Q

Judge that outriggers will clear obstructions..use?

A

6 foot hook

-NOT 95 ft tower ladder/6’8 of clearance

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5
Q

Tower ladder has indentations in turntable to accept outriggers…this necessitates that?

A

a. outriggers must be move clear of turntable BEFORE operating boom

B. boom must returned to its original position (turntable arrow markings aligned) BEFORE outriggers are bedded

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6
Q

Any member operating a TL, CHAUFFEUR …

A

PERSONALLY VERIFY the placement of all outriggers and jacks prior to raising boom from bedded position

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7
Q

If a member commences to set up a TL apparatus for an operation and decides to ABORT…he must?

A

a. place all outriggers and jacks for OPERATION

OR

b. RETURN all outriggers and jacks to pre setup position

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8
Q

WHENEVER TL is in operation…?

A

PEDESTAL POSITION must be staffed(full PPE)

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9
Q

Controls on turntable…

A

3 controls:
raising/lowering
extending/retracting
rotate boom

SMOOTHER POSITIONING - PEDESTAL operations

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10
Q

Pedestal controls move simultaneously with jOYSTICK bucket controls…

A

movement of pedestal controls without corresponding movement of the bucket could indicate a malfunction or physical restriction in bucket movement

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11
Q

If control valves (raise/lower-extend/retract/rotate) fails…

A

isolation valves for particular function can be closed leaving OTHER SYSTEMS OPERABLE

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12
Q

INTERCOM?

A
  • communication switch (basket and pedestal)
  • open circuit, controlled from pedestal
  • MOST EFFECTIVE MEANS OF COMMUNICATION BETWEEN BASKET AND PEDESTAL
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13
Q

Water system..?-

A
  • 360 degrees
  • 3x3 gated siamese on left side
  • 4 1/2” inlet on right side(ungated)
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14
Q

Terms?

A 
extend boom-reach out with boom
retract boom-return outstretched boom
raise boom-increase elevation angle
lower boom-decrease angle
boom left-rotate to pedestal mans' left
boom right-rotate to pedestal mans right

some models, basket control man faces opposite direction of pedestal man
reference point is PEDESTAL and not basket

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15
Q

Pedestal man should perform delicate operations?

A

IF VISIBILITY PERMITS

PEDESTAL FF remain at pedestal in FULL PPE, until relieved by another trained member

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16
Q

Communications between OFFICER in command and members in basket..

A

relayed through intercom…by PEDESTAL MAN

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17
Q

Test intercom?

A

Daily/ initial stages of operation

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18
Q

Detailed members CANNOT operate on PEDESTAL…unless?

A

PRESENTLY ASSIGNED TO TOWER LADDER UNIT or QUALIFIED CHAUFFEUR-TILLERMAN (SCHOOL TRAINED)

-members must wear installed safety belt, life belt or personal harness secured to a SUBSTANTIAL PART OF BASKET…..if this is too confining..form loop 1 foot in diameter, in LSR around substantial part of basket, using bowline to secure loop

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19
Q

Scrub Area?

A

Area building WALL that can be TOUCHED BY THE BASKET

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20
Q

Generally apparatus should be ?

A

PARALLEL to building
-scrub area may be reduced by cab..in this case …ANGLE FRONT END of apparatus away from building….CAB portion will be farther away then rear portion

  • positioning at a corner building affords coverage on 2 fronts
  • may place TL on sidewalk either fully or partially to reach upper levels or to gain better vantage points , in this situation, verify condition of sidewalk
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21
Q

Alley?

A

placing turntable in line with alley affords frontal coverage and also coverage into the alley for exposure protection, extinguishment, rescue, ventilation, search and entry

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22
Q

Courtyard or rear lot of ‘H’ TYPE

A
  • prevent fire spread across throat
  • extinguish fire on either or both sides of throat
  • possible to operate from an adjacent street over the top of lower buildings into the throat, rear or side of fire building
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23
Q

If member leaves basket for SERACH OR ROOF OPS., pedestal man should NOT MOVE BOOM..unless?

A

–members are ADVISED of his intentions and they in turn GIVE APPROVAL, or a VISIBLE LIFE HAZARD should occur

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24
Q

Properly positioned TL?

A

wall coverage from grade level or below, up to max. basket floor elevation of 70 feet, at max 75 degree angle

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25
Q

Basket while touching a point 32 ft horizontally from center of turntable, can reach a basket floor elevation of ?

A

65 feet

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26
Q

TL scrub area covers front of a building?

A

60 feet high/50 feet wide and will cover 100 foot frontage on the lower 3 floors

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27
Q

TL scrub area is approx. 7750 sq feet when?

A

center of the turntable is 32 feet from the building wall and cab is 15 degree angle from building line

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28
Q

Basket can reach points?

A

10 feet below grade

when operating over crew cab, generally boom has enough clearance to reach most 3rd floor windows and above

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29
Q

Center line of turntable is 25 ft from a building…

A

there will be sufficient room for basket to be dropped BELOW HORIZONTAL with boom perpendicular to the side of the apparatus

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30
Q

Ideal horizontal distance from objective is ?

A

32 feet

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31
Q

While 75 feet is the nominal working height…

A

actual working height (bottom of basket at its highest elevation) is LITTLE MORE THAN 70 FEET when boom is at max angle of 75 degrees

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32
Q

Extend or Raise boom through?

A

light branches

-RETRACTION OR LOWERING OF BOOM through branches may present a problem..cutting may be necessary

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33
Q

Positioning on Hills?

A
  • parallel to direction of slope, boom ops will be UPHILL DIRECTION, if possible apparatus faces DOWNHILL….if facing downhill, turntable past objective…uphill..turntable before objective
  • chock all 4 wheels
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34
Q

Grades up to ____slope may be treated as LEVEL GROUND?

A

4%
-slope- do not rotate at high speeds…always ‘feather’ controls when starting/stopping

  • MAX SLOPE- 15% BELOW GRADE- approx 5- 1/2 feet from front to rear
  • ops conducted in ‘uphill’ quadrant
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35
Q

Winter Ops?

A
  • sufficient lubriplate on moving parts of boom and waterway, jacks, housing, prevent ice
  • FREQUENT boom RE-POSITIONING PREVENTS ICE BUILD UP-Oor extension/retraction
  • deep snow, sand, mud- jacks/outriggers lowered, raising apparatus for placement of planks or boards..place to obtain maximum riding distance…repeat process
  • boom raised 60 degrees to drain waterway and gated inlets opened to drain system….when bedded- remove DRAIN PLUGS
36
Q

Arriving first and rescue ops require above 75 feet…

A

allow aerial ladder (100 ft)

-unless seriously delayed

37
Q

Portable used from TL?

A
  • Life saving only/extreme conditions
  • 20 ft combo ladder-hooks at top and non skid feet
  • life belt/personal harness for each member
  • 15 foot of 1/2” rope fitted with hose strap hook at one end-basket ladder securing rope
  • 6th rung from butt
38
Q

portable from TL?

A

-basket lowered to STREET LEVEL
-3 members in basket- 1 control and 2 for ladder ops
-place securing rope on substantial object-prefferably STANG PIPE RISER , using hook end of rope..other end of rope set on horizontal section of waterway or upper section of rear basket main post using half hitch
-Basket raised to point of operation by CONTROL MAN IN BASKET
-after reaching point of operation- control transferred to PEDESTAL MAN
-both beams of ladder touch building evenly
-cantilevered ladder is Forbidden
-half hitch converted to clove hitch on binder
Can use A 25 FT/35 FT EXTENSION LADDER—no OTHER ALTERNATIVES
tips of BOTH BEAM MUST REST ON BUILDING

no times should beams TOUCH BASKET RAILING

ropes NOT SECURED TO TL GATES or railing

NO MORE THAN 3 MEMBERS IN BASKET -at times could perform with 2

*if portable ladder can be raised in line with BoOm of TL and Objective lateral basket movement can be reduced

39
Q

TL called to operate as SPECIAL UNIT…

A

SHOULD GENERALLY OPERATE AS A UNIT,

40
Q

TL officer?

A

directs placement of apparatus..but responsibility should not be neglected…especially at tenements and other NFP MD’s

-doesn’t need to PERSONALLY SUPERVISE

41
Q

TL , when used for Ventilation purposes?

A

-AXE, HALLIGAN, POWER SAW, 6’ HOOK AND LSR , placed in bucket

42
Q

Instability of Roof suspected?

A
  • keep basket close to roof level..secure members with LSR
  • use portable lader-distribute weight
  • place basket on the roof
  • taxpayer or similar structure- 10 ft hooks or portables from TL to push down ceilings
43
Q

Power Saw from Basket?

A
  • as close to RIDGE POLE AS POSSIBLE
  • SAW STARTED IN BASKET/held outside basket..kept outside until shut down
  • operator wear safety belt/ or LSR, with bowline..loop large enough to reach edge of basket
  • one foot on roof/one foot in basket…back up man firm hold on harness or belt
  • 1st cut -PARALLEL TO RIDGE POLE
  • area beneath kept clear
  • utility cord attached to handle of saw..lashed to basket or held by back up man
  • size of cut, depends on reach
44
Q

Breaching Walls?

A
  • with power tools
  • power saw with proper blade for brick/concrete
  • triangular-vertex upward
  • 1st and 2nd cut-brickwork
  • 3rd cut-MORTAR-EASIEST-may be able to use hand tools
  • large enough cut so SAW CAN BE INSERTED TO CUT INNER WALL-usually second course brick can be removed with hand tools
45
Q

Basket position for removal?

A
  • middle railing-LEVEL WITH WINDOW LEDGE OR LEVEL WITH TOP RAILING OF FIRE ESCAPE
  • obese person- TOP BASKET RAIL LEVEL WITH WINDOW SILL OR TOP RAIL OF FIRE ESCAPE
  • angle so STANG will not interfere

basket in line with window or target

parapetless roof- basket on roof

many trips required-safe removal does not mean street level

46
Q

STOKES REMOVAL?

A

speed less importanT -SMOOTH OPERATION

  • upright or diagonal position and leaning or lashed to a solid part of basket railing
  • may be lashed to top railing- time consuming/limits first aid/victim insecure
  • PEDESTAL man should perform lowering operation, if conditions permit
47
Q

DO NOT EXTEND BASKET OVER HIGHWAY OR ELEVATED TRAIN STRUCTURE

A

do not DO NOT DO NOT

48
Q

ONLY —- can order use of TL streams?

A

OFFICER IN COMAND

49
Q

Examples of outside streams operated into occupied buildings?

A
  • fire extending to cockloft/top floor untenable
  • protect on fire escape/ Fog
  • prevent auto exposure
  • quick knockdown..allowing Engine to move in
50
Q

Interior to exterior attack?

A

all members should be warned by HT-within or close proximity of building

TL operator should not start water until ASSURED all personnel are clear, unless IMMEDIATE LIFE HAZARD

51
Q

FIRE building heavily involved?

A
  • START AT LOWER FLOOR and work upward- for stream delivery
  • positon nozzle close to and low in window

if possible basket should be placed SAME DISTANCE HORIZONTALLY FROM BUILDING AS IT WILL BE VERTICALLY BELOW THE TOP OF THE WALL

-stang can be directed downward below basket

52
Q

If fire has been burning a long time and stability in doubt?

A
  • keep basket beyond collapse area
  • expose minimum section of boom
  • position basket at The EDGE of building , limiting exposure to collapse …use 2 TL on each edge of building for full coverage
53
Q

Movement of TL with Stream application?

A
  • manpower sufficient and distance short with sufficient slack- TL can be moved without disconnecting lines
  • water shut down at pumper
  • DO NOT move with boom raised position
54
Q

TL streams?

A

SATELLITE BEST SOURCE

  • largest diameter hose
  • supply water to base 200-250 psi
  • relief valve set at 250 psi
  • pumpers as close as possible to TL
  • relay pumper can take water from more than one source
  • relay pumper should have in excess of 80 PSI INTAKE PRESSURE with water flowing-relay can operate in volume and still deliver 250 psi
  • shut down at pumper
  • stretch male end whenever possible- 3 1/2”
  • hose connections spanner tight
  • nozzle pressures should not exceed 100 PSI
55
Q

Units should not be engaged in Interior ops while TL stream is in operation…

A

unless LIFE HAZARD INVOLVED

TL FOR QUICK KNOCKDOWN- to enable interior forces - units withdrawn to safe location to the floor or floors below (not in weakened structures - VACANTS)

56
Q

Loss of control at basket—wet , iced/dirty..

A

usually lose control of one movement- depressing control handle at basket without engaging deadman switch and rotating handle vigorously…doesn’t work..control from pedestal

57
Q

Cornice Operations?

A
  • power saw and bolt cutters
  • use power saw or ax for NECESSARY CUTTING
  • 6 FT HOOKS and general purpose rope for holding cornice during cutting
  • if fire conditions permit-make open ends –preserve integrity (easy to repair)

METAL HANGERS of cornice may be cut with BOLT CUTTERS or POWER SAW- cut LAST

-place sections on ROOF or LOWER TO STREET

DO NOT use basket to remove large sections
-ir roof is safe..cornice may be lashed and secured on roof

58
Q

Materials not to heavy and size permitting, MAY BE PLACED inside BASKET and lowered to street, onto floor, up to roof, …?

A

such items SHOULD NOT PROTRUDE BYOND BASKET RAILING

59
Q

Live wires on apparatus?

A
  • NO MEMBER SHOULD TOUCH APPARATUS(be aware of pumper if supplying TL)
  • IMMEDIATELY NOTIFY OFFICER IN COMMAND THAT TL IS OUT OF SERVICE
  • REQUEST UTILITY COMPANY
60
Q

After retracting jacks and outriggers, the boom shall be?

A

RE-BEDDED

-hydraulic pressure relief valve is then opened

61
Q

Boom limit switch malfunction…

A

limit switch finger can stick in CANTED position, preventing lowering of Boom
MOVING LIMIT SWITCH FINGER with 6 ft hook can correct this condition
-IF NECESSARY TO MOVE LIMIT SWITCH FINGER, must notify FLEET MAINTENANCE DIVISION

62
Q

Inspected daily?

A

basket and pedestal railings, gates, locks, welds

  • SAFETY BELTS IN BASKET (seat belt every tour)
  • INTERCOM- electrical outlets at basket, lights
  • Level of platform of basket
  • hydraulic leaks
  • check tool/equipment wont strike cable reel
63
Q

Removing a CORNICE, usually requires?

Overhauling window frames require?

A

2 MEMBERS AND OFFICER

1 MEMBER working alone

64
Q

Stream from TL can be used to remove?

A

shingles, siding , roofing, brickwork, possible demolition

65
Q

Preferred placement of PINS?

A

OUTRIGGERS- LOWEST hole available

JACKS–HIGHEST SLOT available once extended

66
Q

Turntable..

A

capable of rotating 360 degrees
-AUDIBLE alarm will sound when boom ops are in close proximity to cab
-SAFETY INTERLOCK FOOT PEDAL- base of pedestal, when activated, INCREASE engine RPM’s , activate hydraulic flow to allow movement, OVERRIDE BUCKET CONTROLS
AT NOT TIME should a turntable be rotated before lowering both outriggers

67
Q

ALL THREE BOOM FUNCTIONS performed …

A

SIMULTANEOUSLY
-raise/lower, left/right, extend/retract

one hand on joystick and other cupping collar more precise movement

68
Q

Number of FF’s operating in bucket limited to …

A

2
-each member operating in a TL bucket must personally verify placement of both door latches in the locked position prior to movement
-use installed safety belt OR life belt harness secured to substantial part of bucket
BUCKET RAILINGS ARE NOT SUBSTANTIAL PART OF BUCKET AND SHALL NOT BE USED

69
Q

Tower Ladder may be placed on sidewalk..

A

partially OR FULLY

NOT on sidewalk containing UNDERGROUND VAULT

70
Q

BROWNSTONES:

A
  • attention to small bedrooms, ONLY ENTRANCE FROM HALL(deadman room)
  • “BACKING IN” may permit booming UNDER 1st arriving aerial ladder
  • LSR and SAW taken to roof when bucket used for roof access
  • top floor VEIS essential
71
Q

ROW FRAMES:

A
  • Potentially COVER 6 ROW FRAMES

- positioned on side street, TL may cover 3 buildings

72
Q

TENEMENTS:

A
  • position to fire apt./floor above or off window of fire escape
  • preferred method of rescue—angular approach, member operating the bucket FIRST raises the bucket up to the victims level, and OUT OF VICTIMS REACH, THEN EXTEND FOR RESCUE
73
Q

H-TYPE…

A
  • TOP FLOOR fires - positioning a TL in the throat can dramatically influence an operation
  • LCC delayed positioning in the throat and allow ENGINE to complete backstretch (communication between ENGINE and ladder chauffeurs
  • additional TL apparatus should be positioned to cover throat
  • positioning TL in courtyard or rear lot used to prevent spread of fire across throat
  • possible operation from an adjacent street over the top of lower buildings into the throat, rear or side of fire building
74
Q

TAXPAYER

A
  • position to operate at street level and protect exposures
  • overhaul facade and gain access into cockloft
  • observation at roof level (lightweight, gypsum, bowstring truss roofs)
75
Q

PRIVATE DWELLING ./PEAK ROOF

A
  • position to cover 2 sides and for possible ventilation
  • turntable in ALLEY, affords frontal/side coverage as well as exposure protection(angle apparatus in or out)
  • parallel to building , bucket can placed over the CORNER of the building near peak of the roof
  • to “ valley” area where a hook ladder can be used to reach the peak
  • TL, safest for ventilation of roof
76
Q

HRFPMD..

A

position according to vehicle access points as per size

77
Q

PLACES of WORSHIP…

A

–POSITION TO COVER 2 SIDES AND VENTILATION OF ROOF AND ROSE WINDOW

78
Q

BACKING IN the apparatus may permit great flexibility in bucket placement …

A

PREVENTING CREW CAB from obstructing the boom’s reach

–DON’T BE CLSOER than 20 feet to apparatus (PORTABLE LADDER REMOVAL )

79
Q

POSITION ON HILLS…

A
  • position apparatus PARALLEL to direction of slope so boom ops will be UPHILL DIRECTION ..if possible apparatus facing DOWNHILL
  • if facing DOWNHILL, place TURNTABLE PAST objective
  • if facing UPHILL, place turntable BEFORE objective
  • while on steep inclines , perform delicate and low speed operations, avoid sudden movements
  • retracting and raising of boom may be required for up hill operation
80
Q

POSITIONING AT VACANT LOTS..

A
  • OFFICER and chauffeur must survey for collapse zones and voids
  • ground doubtful stability (junk yard, vacant lots) may be advantageous to position PERPENDICULAR , nearly perpendicular , reduce pole vaulting and pressure on outriggers
  • SHORING placed under outriggers (SOC can facilitate )
  • boom should not be operate at RIGHT ANGLES TO CHASSIS at low elevations: it should be operated at NARROW angles over the front and rear of the apparatus
81
Q

ELEAVATED TRAINS/ELEVATED HIGHWAYS..

A

-posiiton apparatus parallel to objective, with bucket in line with target, CLOSE to building line
-keep bucket in line or just past overhead EL column will generally allow clearance
OR
SIDE STREET , with turntable placed between overhead EL and the building , allowing access or stream application , beneficial for TL assigned as an additional unit

82
Q

OVERHEAD WIRES…

A
  • -IC should have the utility company remover power to wires when fire conditions warrant
  • Members treat all wires LIVE

*Positioning CENTER OF APPARATUS DIRECTLY UNDER OVERHEAD WIRES (OR IN BETWEEN WIRES AND FIRE BUILDING ), at times utilizing sidewalk

83
Q

LIVE OVERHEAD WIRES on apparatus..

A

– NOTIFY IC (URGENT MESSAGE/EAB)
-TL OOS
-NO MEMBER SHOULD TOUCH OR APPROACH APPARATUS
SAFEGUARD CIVIILIANS AND MEMBERS
-MEMBERS ON APPARATUS, REMAIN IN PLACE
-UTILITY COMPANY PRIORITY RESPONSE

84
Q

TREE OBSTRUCTIONS ..

A
  • EXTEND OR RAISE through light branches

- prior to chainsaw ops from bucket, notify IC AND MAKE SURE AREA BELOW IS CLEAR

85
Q

TAKING UP..

A

–chauffeur verify ALL PINS REMOVED , prior to raising jacks /outriggers
–ensure that turntable platform arrow markings meet, before raising outriggers
–bedding–make sure light is illuminated and arrows line up
-position safety member on officers side
boom has tendency to rise form bedded position after jacks/outriggers have been retracted

86
Q

if you must move BOOM LIMIT SWITCH MANUALLY,

A

notify FLEET MAINTENANCE DIVISION

87
Q

NEVER WALK ALONGSIDE APPARATUS BACKING UP..

A

flank in rear /eye contact with chauffeur

-use apparatus buzzer and flashlights

Ladder Company Operations (4 decks)

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