(G) Low
voltage (twelve/twenty-four volt) electrical system and warning devices.
(1) All electrical circuit wiring shall be
made with stranded conductors of a carrying capacity of one hundred twenty-five
per cent of the anticipated maximum circuit loading. Insulation shall be in
accordance with the recommended standards of the society of automotive
engineers for such loading at the potential employed. Overall covering of
conductors shall be of the moisture-resistant type and have a minimum
continuous temperature rating of one hundred ninety-four degrees Fahrenheit
(ninety degrees Celsius). All connections shall be made with lugs or terminals
mechanically secured to the conductors. Wiring shall be restrained to prevent
damage caused by chafing or ice buildup, and protected against heat, liquid
contaminants, or other environmental factors.
(2) Circuits shall be provided with overload
protective devices. Such devices shall be readily accessible and protected
against heat, physical injury, and water spray.
(3) Power supply.
(a) A twelve or
twenty-four volt or greater electrical
alternator shall be provided. It shall have a minimum output at idle to meet
the minimum continuous electrical load of the apparatus as defined in NFPA 1901
at two hundred degrees Fahrenheit (ninety-three degrees Celsius) ambient
temperature within the engine compartment, and shall be provided with full
automatic regulation.
(b) The
condition of the low-voltage electrical system shall be monitored by a system
that provides an audible and visual warning to the
driver or operator of the apparatus.
(c) A voltmeter shall be mounted on the
driver's instrument panel to allow direct observation of the system
voltage.
(d) If the total
connected
continuous electrical load exceeds the minimum
continuous electrical output rating of the installed alternator(s) operating
under the conditions specified in paragraph (G)(3)(a) of this rule, an
automatic electrical load management system shall be required.
(4) Batteries.
Batteries shall be securely mounted and protected against
physical injury and vibration, water spray, and engine and exhaust heat. When
an enclosed battery compartment is provided, it shall be adequately ventilated,
and the batteries shall be readily accessible for examination, test, and
maintenance.
(5) Lights and
warning devices.
(a) The rear stop, tail, and
directional lights shall be so mounted that they will not be obscured by
equipment carried on the rear step. Turn signals shall be visible from front,
sides, and rear. On apparatus thirty feet or longer in length, a turn signal
shall be mounted approximately midway along the apparatus at approximately
running board height.
(b) All
apparatus shall have upper and lower optical warning devices. The upper and
lower warning levels shall each be divided into four warning zones. The four
zones shall be determined by drawing lines through the geometric center of the
apparatus at forty-five degrees to a line lengthwise of the apparatus through
the geometric center. The four zones shall be designated A, B, C, and D in a
clockwise direction with zone A to the front of the apparatus (see figure 1).
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(i) The front
optical warning devices shall be placed so as to maintain the maximum possible
separation from the headlights.
(ii) A midship optical warning device shall
be mounted on both the right and left sides of the apparatus with the optical
center of the device at a distance between eighteen and sixty-two inches above
level ground if the distance between the front and rear lower-level optical
devices exceeds twenty-five feet.
(c) Apparatus shall have hooded lights, with
individual switches, providing illumination of the pump operating panel, tool
and equipment compartments, steps, and walkways. Switches shall be located
within easy reach of the operator.
(d) The work area immediately behind the
vehicle shall be illuminated to a level of at least three footcandles (thirty
lux) within a ten feet by ten feet square to the rear of the vehicle. If a hose
bed is provided, lighting on this hosebed shall be at a level of three
footcandles (thirty lux) or higher.
(e) The apparatus shall be equipped with
lighting that is capable of providing illumination at a minimum level of
one
two
footcandle (ten
twenty lux) on the ground area within thirty inches of
the edge of the apparatus in areas designed for personnel to climb onto or
descend from the apparatus to the ground level. Lighting designed to provide
illumination on areas under the driver and crew riding area exits shall be
activated automatically when the exit doors are opened. All other ground area
lighting shall be switchable.
(f) A
red flashing or rotating light, located in the driving compartment, shall be
illuminated automatically whenever the apparatus's parking brake is not fully
engaged and any of the following conditions exist:
(i) Any passenger or equipment door is
open.
(ii) Any ladder or equipment
rack is not in the stowed position.
(iii) Stabilizer system not in its stowed
position.
(iv) Powered light tower
is extended.
(v) Any other device
is opened, extended, or deployed that creates a hazard or is likely to cause
damage to the apparatus if the apparatus is moved.
The light shall be marked with a sign that reads: "Do Not Move
Apparatus When Light is On."
(g) Audible warning equipment in the form of
one automotive horn and one electric or electronic siren shall be provided.
Control for operating the siren shall be provided for the right and left seat
positions.
(h) Where furnished, air
horns, electric siren(s), and electronic siren speaker(s) shall be mounted as
low and as far forward on the apparatus as practical. Audible warning equipment
shall not be mounted on the roof of the apparatus.
(i) An electric or electronic backup alarm
shall be provided that meets the type D (87 dBa) requirements of SAE J994, 2009 edition.
(H) Vehicle components.
(1) Line voltage (one hundred ten/two hundred
twenty volts).
(a) The generating system shall
be installed in accordance with the grounding requirements of Section 250-34 of
NFPA 70, 2014 edition, "National Electric
Code."
(b) When receptacles or
other facilities providing one hundred ten volt AC or DC power are installed,
such receptacles and other facilities shall be of the weatherproof type, and
all circuits or associated wiring shall have at the source of one hundred ten
volt supply overload protection rated at the carrying capacity of the
conductor. Circuits shall be three-wired and installed in accordance with
Section 250-34 of NFPA 70, "National Electric Code." Those receptacles shall
conform to the appropriate NEMA configuration for the voltage and capacity of
the circuit.
(c) All fixed
auxiliary engine-driven generators shall comply with article 445, "Generators,"
of NFPA 70, NEC.
(i) They shall be installed
so that fumes, vapors, heat, and vibrations do not enter the interior passenger
compartment. They also shall have the exhaust outlet piped to the exterior and
located so that exhaust is directed away from any operator's
position.
(ii) Where parts of the
exhaust system are exposed so that they can cause injury to operating
personnel, protective guards shall be provided.
(d) Portable generator installations shall
comply with article 445, "Generators," of NFPA 70, NEC.
(e) If the apparatus is equipped with a fixed
power inlet (shoreline inlet), it shall be a permanently mounted, flanged
surface inlet (male-recessed-type receptacle with cover) sized in accordance
with the anticipated load and wired directly to the system or device to be
powered; or wired to a transfer switch to isolate one power source from the
other where a circuit(s) is intended to be supplied from more than one power
source.
(i) The apparatus shall have a label
permanently affixed at the power inlet that indicates the following:
(a) Shore power inlet.
(i) Type of line voltage (manufacturer to
insert specific voltage of one hundred twenty/two hundred forty, AC/DC).
(ii) Current rating in amps
(manufacturer to insert specific amp rating).
(2) Braking system.
(a) Apparatus shall be equipped with an
all-wheel antilock braking system if such system is available from the chassis
manufacturer.
(b) Service and
parking brakes shall be independent and separate systems. All brakes shall be
readily accessible for adjustment.
(c) The service brake application valve, when
applied, shall operate all the service brakes on the vehicle or combination of
vehicles.
(d) Parking brakes shall
control the rear wheels, or all wheels, and shall be of a positive,
mechanically actuated type with provision for securely holding in position when
applied. The parking brake system shall hold the fully loaded apparatus on at
least a twenty per cent grade. Neither a lock-up device to retain applied
pressure on hydraulically actuated service brake system nor a "park" position
on an automatic transmission as a substitute for a separate parking brake
system is acceptable.
(e) Where
air-actuated braking systems are provided, they shall include the following:
(i) An automatic moisture ejector;
(ii) An air dryer;
(iii) A pressure protection valve to prevent
the use of all air-operated accessories except air-operated windshield wipers
and air-assist steering, if provided, when the system air pressure drops below
eighty psi (five hundred fifty kPa);
(iv) A quick buildup section in the air
reservoir system arranged so that if the apparatus has a completely discharged
system, it is able to move within sixty seconds of startup.
(a) The quick buildup system
shall provide sufficient air pressure so that the apparatus has no brake drag
and is able to stop under the intended operating conditions following the sixty
second buildup time.
(b) On a chassis that cannot
be equipped with a quick buildup air brake system, an onboard automatic
electric compressor or a fire station compressed air shoreline hookup shall be
permitted in order to maintain full operating air pressure while the vehicle is
not running.
(f) Two or more
wheel chocks, mounted in readily accessible locations, that meet or exceed the
requirements of SAE J348, 1990 edition, "Standard
for Wheel Chocks," for the wheel diameter on which the chocks are to be used,
shall be provided and used when the apparatus is not being driven but being
operated in a stationary position.
(g) Service brakes shall be capable of
bringing a fully laden apparatus to a complete stop from an initial speed of
twenty mph in a distance not exceeding thirty-five feet by actual measurement
on a substantially hard surface road that is free from loose material, oil, or
grease.
(3) Suspension
and wheels.
(a) Each load-bearing tire and rim
of the apparatus shall carry a weight not in excess of the tire manufacturer's
rating.
(b) An angle of approach
and an angle of departure of at least eight degrees shall be maintained at the
front and rear of the vehicle when normally loaded.
(c) Fenders and guards shall be braced and
firmly secured.
(d) The steering
mechanism for front axles shall be capable of turning the front wheels to an
angle of at least twenty-eight degrees front axles and thirty degrees for
nondriving front axles to both right and left. Power or power-assisted steering
shall be provided.
(4)
Body.
(a) A bumper shall be provided on the
front of the chassis, and the bumper mounting brackets shall be attached to the
frame.
(b) Holders, boxes,
compartments, or other attachments shall be provided for all tools, equipment,
play-pipes, and other items on the apparatus. Equipment holders shall be firmly
attached and designed so that equipment will remain in place under all running
conditions but be quickly removable for use.
(c) Steps, platforms, or secure ladders shall
be provided so that fire fighters have access to all working and storage areas
of the apparatus. The maximum stepping height shall not exceed eighteen inches
with the exception of the ground to first step. When the ground to first step,
platform, or ladder rung exceeds twenty-four inches, a permanently attached
supplemental means of access/egress from the ground to these steps, platforms,
or secure ladders shall be provided. The supplemental access means shall
consist of step(s), platform(s), or ladder(s). The ground to first step height
shall be determined with the apparatus on level ground. When the apparatus is
supplied with stabilizers, the ground to first step height shall be determined
with the apparatus on level ground and the stabilizers deployed according to
the manufacturer's instructions.
(i) All
steps, platforms, or ladders shall be capable of sustaining a minimum static
load of five hundred pounds without deformation.
(ii) All exterior surfaces designated as
stepping, standing, and walking areas shall have a minimum average slip
resistance of 0.68 in accordance with ASTM F 1679. All interior steps shall
provide an average minimum slip resistance of 0.52. Where the fuel fill is
located at or near a stepping surface, the surface shall be constructed of an
open grate-type material.
(iii) All
steps shall have a minimum area of thirty-five square inches and be arranged to
provide at least eight inches of clearance between the front of the step and
any obstruction. All ladders shall have at least seven
eight inches of
clearance between any rung and the body of the apparatus.
(d) Access handrails shall be provided at all
entrances to the driving or crew compartment and at any location where the fire
fighter is required to climb up on the apparatus for access to equipment.
Exterior access handrails shall be constructed of a slip-resistant,
non-corrosive material. Rails shall be between one inch and one and five-eights
inches in diameter and have a minimum clearance between the rails and any
surface of at least two inches. All rails shall be designed and mounted to
reduce the possibility of hand slippage and to avoid snagging of hose,
equipment, or clothing.
(e) A
reflective stripe(s) shall be affixed to the perimeter of the apparatus.
The stripe or combination of stripes shall be a minimum of four
inches in total width and shall conform to the minimum requirements of ASTM D
4956, 2013 edition. At least fifty percent of the
cab and body length on each side, at least fifty percent of the width of the
rear, and at least twenty-five percent of the width of the front of the
apparatus shall have the reflective material affixed to it. A graphic design
meeting the reflectivity requirements of this paragraph shall be permitted to
replace all or part of the required striping material if the design or
combination thereof covers at least the same perimeter length(s) required
within.
(5)
Driving and crew compartment.
(a) A fully
enclosed driving or crew compartment with seating for no fewer than two persons
shall be provided. Seat belts shall be provided and shall be utilized by each
occupant of the cab.
(b)
Employees shall be required to be seated and belted
while the apparatus is in motion, except while loading hose. In
wildland fire fighting, employees shall be required to ride
inside the compartment, unless they are provided
with seats, seat belts, and rollover protection
within a fully enclosed personnel area.
(c) The noise in the compartment shall not be
in excess of ninety dBA without any warning devices in operation and while the
vehicle is traveling at a steady speed of forty-five mph on a level, hard,
smooth surface road.
(d) All
interior crew and driving compartment door handles shall be designed and
installed to protect against accidental or inadvertent opening.
(e) Head height at any suspension-style seat
shall be at least thirty-seven inches from the seat H-point to the ceiling. For
nonsuspension-style seats it shall be thirty-five inches. Each seating space
shall have a minimum width of twenty-two inches at the shoulder level. Seat
cushions shall be a minimum of eighteen inches in width and fifteen inches from
the front of the cushion to the face of the seat back. A back cushion that
extends from the face of the seat vertically at least eighteen inches and that
is a minimum of eighteen inches wide shall be provided. The back cushion shall
be permitted to be split to accommodate a fully recessed SCBA and bracket.
Where the back cushion is split, a headrest shall be supplied.
(f) Where SCBA units are mounted within the
crew compartment, a positive, mechanical means of holding the SCBA in its
stowed position shall be provided. The bracket holding device and its mounting
shall retain the SCBA unit when subjected to a nine-G force and shall be
installed in accordance with the bracket manufacturer's requirements. If the
SCBA cylinder is mounted in a vertical position with the valve down, it shall
be supported with a brace or yoke under the cylinder or valve area to prevent
downward movement.
(g) All
equipment within the driving or crew area, shall
be securely fastened within the driving or crew
area. All equipment not required to be used
during an emergency response, with the exception of SCBA units shall be
contained in a fully enclosed and latched compartment, or
the equipment is mounted in a bracket(s)
that is capable of containing the contents when a nine-G force is applied in
the longitudinal axis of the vehicle or a three-G force is applied in any other
direction.
(h) The driver's seat
shall be readily adjustable by the driver.
(i) Where the crew compartment and the
driving compartment are separated, prohibiting direct voice communication, a
two-way voice communication system shall be provided.
(j) A speedometer/odometer shall be
provided.
(k) All driving and crew
compartment doors shall have at least ninety-six square inches of reflective
material affixed to the inside of each door.
(l) The apparatus shall have sufficient
lighting to provide an average level of two footcandle (twenty lux) in the
driving and crew compartments.
(m)
Each engine compartment and pump compartment shall have a light of at least
twenty candlepower (two hundred fifty lumens).
(6) Tractor-drawn vehicles.
(a) A tractor-drawn vehicle shall consist of
a tractor with a permanent, non-kingpinned "fifth wheel" mounted upon the rear
of the chassis to carry the forward end of the aerial ladder trailer unit. The
fifth wheel and body design shall be of a type that permits full ninety degree
jackknifing of the tractor-trailer combination with the stabilizers in the
stored position.
(b) A tiller
steering wheel shall be provided to steer the rear wheels of the trailer unit.
The steering shall be of the power or power-assisted type.
(c) A fully enclosed tiller driving compartment with seating for one person
shall be provided at the rear wheel's steering position. Tiller seats shall
have a lap belt.
(d) A control at
the tiller driver's position shall be provided to prevent starting of the
engine if the tiller driver is not in place.
(e) A two-way voice communication system
shall be provided for communication between the drivers.
(f) A heater or ventilation system, a
defroster, and a windshield wiper and washer shall be provided.
(g) The following instrumentation and
controls shall be mounted in the
tiller driving
compartment and shall be clearly identified and visible to the driver while
seated:
(i) Heater/defroster
controls;
(ii) Turn signal
indicator lights;
(iii) Starter
control;
(iv) Windshield wiper
control.
(h) Mirrors
that provide side and rear visibility shall be provided on both sides of the
tiller enclosure.
(i) If the sides
of the trailer are not visible from the tiller seat, a device shall be
installed as a point of reference for the tillerman to judge clearance
distance.
(j) If the manufacturer's
design requires that the load from the aerial device not be transferred to the
rear springs of the tractor, a device shall be installed that will prevent such
a weight transfer.
(I) Pumps.
(1) Construction.
(a) The pump shall be designed and
constructed to withstand a hydrostatic test of five hundred psig minimum for
ten minutes. A certificate documenting this test shall be furnished.
(b) When an auxiliary pump is provided in
combination with an attack pump and when the pumps are interconnected so that
pressure from one pump may be transmitted to the other pump, check valves,
intake and/or discharge relief valves, pump drive gear ratios, or other
automatic means shall be provided to avoid pressurizing either pump beyond its
maximum rated hydrostatic pressure.
(c) The entire discharge and intake piping
system, valves, drain cocks and lines, and intake and outlet closures,
excluding the tank fill and tank to pump lines on the tank side of the valves
in those lines, shall be designed for five hundred psig.
(2) Pump intake and discharge.
(a) Where a three-inch or larger intake or
discharge valve is provided, except the tank to pump intake, the valve
mechanism shall be slow-operating to permit changing the position of the flow
regulating element of the valve from full close to full open, or vice
versa.
(b) Each gated intake or
discharge shall be equipped with a three-fourths-inch bleeder valve located in
close proximity to the intake or discharge to bleed off air or water from a
hose connected to the intake or discharge. The valve shall be operational
without the operator's having to get under the apparatus. If a siamese is
attached to an intake, it shall be equipped with a three-fourths-inch bleeder
valve on each inlet.
(c) An
adjustable two-and-one-half-inch or larger intake pressure relief system shall
be permanently installed. The system shall be designed to self-restore
automatically to a nonrelieving position when excessive pressure is no longer
present. The minimum range of pressure adjustment shall permit control of the
intake pressure relief point from ninety psi to at least one hundred
eighty-five psi.
(3)
Pump controls.
(a) Adequate illumination shall
be provided for all gages and controls located at the pump operator's
position.
(b) All markings required
at the pump operator's position shall be permanent, capable of withstanding the
effects of extremes of weather and temperature, and securely
attached.
(c) Provisions shall be
made for quickly and easily placing the pump in operation. The lever or other
device shall be marked to indicate when it is correctly positioned for
pumping.
(d) Any control device
used in the pumping system power train between the engine and pump shall be
equipped with a means to prevent unintentional movement of the control device
from its set position.
(e) A
nameplate indicating the chassis transmission shift selector position to be
used for pumping shall be provided in the cab and located so that it can be
easily read from the driver's position.
(f) When the pump is driven by a split shaft
PTO, an indicator light shall be located in the driving compartment. This
indicator light shall be energized when the pump shift has been completed and
shall be labeled "Pump Engaged." When an automatic chassis transmission is
provided, a second indicator light in the driving compartment and an indicator
light located at the pump operator's position shall be provided and energized
when the pump shift has been completed, the chassis transmission is engaged in
pump gear and the parking brake engaged. The light in the driving compartment
shall be labeled "OK to Pump." The light on the pump operator's panel shall be
positioned adjacent to and preferably above the throttle control and shall be
labeled: "Throttle Ready."
(g) When
an automatic or manual chassis transmission is provided and when the pump is
driven by a transmission mounted (SAE) PTO, front-of-engine crankshaft PTO, or
engine flywheel PTO and is used for stationary pumping with the chassis
transmission in neutral, or is used for pump and roll with the chassis
transmission in any forward or reverse gear, shift indicator lights shall be
provided as required in paragraphs (H)(3)(g)(i) and (H)(3)(g)(ii) of this rule.
(i) There shall be two indicator lights in
the driving compartment. One of the lights shall be energized when the pump
drive has been engaged and shall be labeled "Pump Engaged." The second light
shall be energized when both the pump drive has been engaged the chassis
transmission is in neutral and the parking brake engaged and shall be labeled
"OK to Pump."
(ii) For
pump-and-roll apparatus, an additional "OK to Pump and Roll" indicator light
shall be provided in the driving compartment and shall be energized when the
pump is engaged, the chassis transmission is on road gear, and the parking
brake is released. When the "OK to Pump and Roll" indicator is energized, the
"OK to Pump" indicator shall not be energized.
(iii) A "Throttle Ready" indicator shall be
provided at the pump operator's panel that is energized when the "OK to Pump"
indicator is energized, or when the chassis transmission is neutral, and the
parking brake is engaged.
(h) With parallel-series centrifugal pumps,
the control positions for parallel operation (volume) and series operation
(pressure) shall be clearly indicated. The control for changing the pump from
series to parallel and vice versa shall be operable at the pump operator's
position.
(i) Means shall be
provided for controlling pressure at the pump either through an automatic
relief valve or a pressure regulator controlling the speed of the pump. The
device shall be capable of operation over a range of ninety to three hundred
psig discharge pressure and shall limit the pressure rise upon activation to a
maximum of thirty psi. A relief valve shall be equipped with an amber light
that indicates when the valve is open. A pressure regulator shall be equipped
with a green light that indicates when the regulator is activated. The means
provided shall be controllable by one person in the pump operator's position.
If the system discharges water to the atmosphere, the discharge
shall be in a manner that will not expose personnel to high-pressure water
steams.
(4)
Engine controls.
A hand throttle
control that will hold its set position shall be
provided to control the engine speed and located not higher that seventy-two
inches nor lower than forty-two inches from the pump operator's position with
all instrumentation in full view.
(J) Tanks.
(1) All water tanks shall be constructed of
noncorrosive material or other materials that are protected against corrosion
and deterioration. The water tanks shall have a means to permit
complete cleaning
flushing of the tank.
(2) Tanks shall be securely fastened and
cushioned or cradled to avoid stress when the apparatus is traveling over
uneven terrain.
(3) Tanks shall be
provided with at least one swash or baffle partition. Each tank shall have a
sufficient number of swash partitions so that the maximum dimension of any
space in the tank, either transverse or longitudinal, shall not exceed
forty-eight inches.
(4) The
overflow outlet on water tanks shall be designed so that, while the vehicle is
in motion, the overflow shall direct any water behind the rear axle so as not
to interfere with rear tire traction.
(5) Pressure vessel foam concentrate or foam
solution tanks.
(a) The tank shall be of
welded construction and designed, fabricated, and stamped in accordance with
the requirements of the ASME "Boiler and Pressure Vessel Code,
2015 Edition" Section VIII, Division I, for the
required pressure. All pressure tanks and associated piping shall be designed
to a minimum of one and one-half times working pressure.
(b) The pressure vessel tank shall be
protected against corrosion from the foam concentrate stored in the
tank.
(c) The fill cap shall be
equipped with non-tapered threads and a compressible gasket.
(d) A safety vent hole shall be located in
the fill cap so that it will vent the tank pressure while at least three and
one-half threads are still engaged.
(e) A minimum one-half inch valved vent shall
be provided on all pressure vessel tanks.
(f) An approved ASME relief valve, properly
set, shall be provided on the tank to prevent tank pressure from exceeding one
hundred ten per cent of the maximum allowable working pressure.
(g) A gauge
device
indicating the internal pressure of the pressure vessel shall be provided and
located at the operator's position.
(h) A minimum one inch inside diameter full
flow drain valve and piping shall be provided on all pressure vessel
tanks.
(6) Compressed
air source.
(a) Holding, surge, or separator
tanks (DOT tank or ASME pressure vessel)
shall comply with
29
CFR 1910.169
, 2007
edition, "Air Receivers." or equal for the rated pressure.
(b) Transportable air tanks shall
comply with
49 CFR
178.37
, 2006
edition, "Specification 3AA and 3AAX, Seamless Steel Cylinders" or
29
CFR
1910.169
, 2007
edition, "Air Receivers."
(c)
Relief valves on transportable air tanks shall be of the ASME type on ASME
cylinders and of the DOT type on DOT cylinders or equal for the rated
pressure.
(d) Cylinders shall be
securely mounted on the apparatus so that they will not shift during normal
apparatus driving and operation.
(e) Valves installed on air tanks shall meet
the requirements of the compressed air association or equivalent standards
regarding pressure and usage with compressed air.
(f) The compressed air system shall be
equipped with an air pressure relief valve which is set to prevent the
compressed air system from exceeding one hundred ten percent of the maximum
allowance working pressure of the system. The outlet of the relief device shall
be routed to an area that does not expose personnel to air blasts or cause the
creation of dust.
(g) If the
installation utilizes cylinders that require periodic testing, a label shall be
placed on the operator's panel indicating the test date stamped on the
cylinders and the date the cylinders will next require testing.
(K) Water towers.
(1) If the water tower is equipped with a
ladder attached to the boom or sections for continuous egress, the ladder shall
meet the requirements for aerial ladders in paragraphs (L)(1)(a) to (L)(1)(g)
of this rule.
(2) If the water
tower is rated in multiple configurations, these configurations, including the
rated load capacity of each, shall be clearly described in the operations
manual and on the sign at the operator's station.
(3) Operating mechanisms.
(a) Power-operated elevating and extending
devices shall be provided. They shall be so designed and provided with adequate
power to allow multiple movements of the water tower booms or sections
simultaneously under all rated conditions of loading. An automatic locking
device(s) shall be provided so that the desired elevated position can be
maintained. Provisions shall be made to prevent damage at top and bottom
limits.
(b) A lock shall be
provided that will retain the water tower booms or sections in the bed when the
vehicle is in motion.
(c) A
power-operated turntable shall be provided that will permit continuous rotation
in either direction under all the rated conditions of loading. The turntable
rotation bearing shall be accessible for lubrication and retorquing of
bolts.
(d) The turntable rotation
mechanism shall be provided with an automatically applied brake or self-locking
drive. It shall provide braking capacity with all power systems nonfunctioning
to prevent turntable rotation under all rated conditions of loading.
(4) Stabilization.
(a) The water tower shall be capable of
sustaining a static load of one and one-half times its rated capacity in every
position in which the water tower can be placed when the vehicle is on a firm
and level surface with all normally removable items, such as water hose, ground
ladders, loose equipment, etc., removed. If having stabilizers extended to firm
footing is part of the definition of the configuration, they shall be extended
for the purpose of determining whether the vehicle meets this stability
requirement.
(b) The water tower
shall be capable of sustaining a static load of one and one-third times its
rated capacity in every position in which the water tower can be placed when
the vehicle is on a slope of five degrees downward in the direction most likely
to cause overturning. If having the stabilizers extended to a firm footing is
part of the definition of the configuration, they shall be extended to provide
leveling for the purpose of determining whether the vehicle meets this
stability requirement. If other facilities, such as a means of turntable
leveling, are provided to minimize the effect of the sloping surface, then
those facilities may be utilized for the purpose of determining whether the
vehicle meets this stability requirement.
(c) If stabilizers are power-operated, the
controls shall be arranged so that the operator may view the stabilizers in
motion. An audible alarm of no less than eighty-seven dBA shall sound when a
stabilizer is moving.
(d) The
ground contact area for each stabilizer shall be such that a unit pressure of
no greater than seventy-five PSI will be exerted over the ground contact area
when the apparatus is fully loaded and the water tower is carrying its rated
capacity in every position allowed by the manufacturer This shall be permitted
to be accomplished with stabilizer pads in conjunction with the permanently
mounted stabilizer shoes to meet the loading requirement of seventy-five psi.
The stabilizer shoe shall be capable of swiveling in at least one direction. If
the shoe swivels in one direction only, it shall swivel on an axis parallel to
the longitudinal axis of the apparatus..
(e) All stabilizers that protrude beyond the
body of the apparatus shall be striped or painted with reflective material to
indicate a hazard or obstruction and shall be provided with at least one red
warning light visible on the side of the vehicle where the stabilizer is
located.
(5) Control
devices.
(a) Controls shall be provided at the
driver's position to transfer power to the water tower. A visual signal shall
be provided at the driver's position to indicate when the operating mechanisms
are engaged.
(b) An interlock shall
be provided that prevents operation of the water tower until the parking brakes
have been set and the transmission has been placed in neutral or the
transmission is in the drive position with the drive line to the rear axle
disengaged.
(c) An interlock shall
be provided that allows operation of the engine speed control only after the
parking brakes have been set and the transmission is in neutral.
(d) An interlock system shall be provided to
prevent the lifting of the water tower from the travel position until all the
stabilizers are in a configuration to meet the stability requirements of
paragraphs (K)(4)(a) to (K)(4)(e) of this rule. The interlock system shall also
prevent the moving of the stabilizers unless the water tower is in the travel
position.
(e) A water tower
operator's position shall be provided on the apparatus so that the operator is
not in contact with the ground. Provisions
If equipped with a pump, provisions shall be made
so that the pump operator is not in contact with the ground. Sign(s) shall be
placed to warn the operator(s) of electrocution hazards.
(f) All controls shall be lighted, clearly
marked, and located within easy reach of the operator.
(g) Means shall be provided to prevent
unintentional movement of the water tower.
(h) Controls shall be arranged so that each
control can be operated by an operator with a gloved hand without disturbing
any other control.
(i) When a three
lever system is used to control the basic functions of the water tower, the
levers shall be distinctively different from the other controls on the panel
and arranged adjacent to each other with the extension control being the left
lever, the rotation control being the center lever, and the elevation control
being the right lever.
(j) The
water tower shall extend when the extension control is pushed up or forward
(away from the operator).
(k) If
the rotation control has a forward/backward orientation or an up/down
orientation, the turntable shall rotate clockwise when the rotation control is
pushed up or forward (away from the operator). Otherwise, the rotation control
handle shall move in the direction of rotation.
(l) The water tower shall lower when the
elevation control is pushed up or forward (away from the operator).
(m) All controls regulating movement of the
aerial device shall automatically return to the neutral position upon
release.
(n) Indicating devices,
lighted, clearly marked, and conveniently arranged, shall be visible from the
operator's position to:
(i) Indicate that
rungs are aligned for climbing, if applicable;
(ii) Indicate the alignment of the boom or
sections with the travel bed;
(iii)
Indicate elevation, extension, and capacity ratings or provide an equivalent
load indicating system.
(o) If the water tower incorporates a ladder,
a second control station shall be provided near the water tower nozzle,
accessible to personnel on the ladder for control of all nozzle
functions.
(p) If a second control
station is provided at the water tower nozzle, a weather-resistant, two-way
voice communication system shall be provided between the water tower operator's
control stations and the control station at the nozzle. The speaker/microphone
at the nozzle control station shall allow for hands-free operation.
(6) Safety.
(a) If the operator's position is on the
turntable, the turntable platform shall be provided with a railing no less than
forty-two inches high The railing design shall be capable of withstanding a two
hundred twenty-five pound force applied at any point from any direction without
permanent deformation..
(b) When
the water tower includes moving cylinders or other moving parts, these shall be
arranged to provide adequate hand clearance, or hand guards shall be provided
to prevent injury to the operator.
(c) Lighting shall be provided at the base of
the water tower arranged to illuminate the water tower in any position of
operation.
(d) A spotlight of no
less than seventy-five thousand beam candle power
or a floodlight of not less than ten thousand five
hundred lumens shall be provided on the apparatus by which the operator
may observe the effect of the stream from the water tower nozzle.
(e) An auxiliary source of power shall be
readily available in the event of failure of the normal operating power source.
The auxiliary power source shall be capable of returning the water tower to a
road travel position.
(f) When the
operation of the water tower is accomplished by hydraulic means, the system
shall be equipped with devices to prevent motion of the water tower in the
event of any hydraulic hose failure.
(g) When the operation of the water tower is
accomplished by other than hydraulic means, the system shall be designed to
prevent motion of the water tower in the event of a power failure.
(h) All components used to stabilize the
water tower apparatus shall be designed to prevent instability in the event of
a hydraulic hose or power failure.
(i) When the design of the water tower
incorporates a knuckle, the knuckle shall be either equipped with position
lights or continuously illuminated by boom lights. The knuckle shall be painted
with reflective paint or provided with reflective striping.
(7) Hydraulic system.
(a) The nonsealing moving parts of all
hydraulic components whose failure results in motion of the water tower shall
have a minimum bursting strength of four times the maximum operating pressure
to which the component is subjected.
(b) Dynamic sealing parts of all hydraulic
components whose failure results in motion of the water tower shall not begin
to extrude or otherwise fail at pressures at or below two times the maximum
operating pressure to which the component is subjected.
(c) Static sealing parts of all hydraulic
components whose failure could result in motion of the water tower shall have a
minimum bursting strength of four times the maximum operating pressure to which
the component is subjected. All hydraulic hoses, tubing, and fittings shall
have a minimum bursting strength of three times the maximum operating pressure
to which the components are subjected. All other hydraulic components shall
have a minimum bursting strength of two times the maximum operating pressure to
which the components are subjected.
(d) The hydraulic system shall be provided
with an oil pressure gauge at the lower operating position.
(e) Means shall be provided for readily
checking and filling the hydraulic reservoir, which shall be conspicuously
marked "Hydraulic Oil Only."
(f)
The hydraulic system components shall be capable of maintaining, under all
operating conditions, proper oil cleanliness and temperature to comply with the
hydraulic oil manufacturer's recommendations. The system shall have adequate
cooling for the continuous operation of not less than two and one-half
hours.
(8) Water
delivery system.
(a) When more than one set of
controls are provided, the set at the water tower operator's position shall be
capable of overriding all others.
(b) When the water tower is equipped with a
ladder, the monitor and nozzle shall be arranged so that they do not extend
past the last rung of the outermost fly section or so that they can swing
completely out of the way of persons climbing onto and off the tip of the
ladder when it is positioned up to a window or other location.
(c) A preset relief valve capable of
protecting the waterway system by relieving pressure, through the dumping of
water to the environment, shall be provided. Such dumping shall be via a system
of piping terminating in an area facing away from the operator's position. The
discharge end of the piping shall not have a threaded connection.
(9) Structural safety factors.
(a) All structural load supporting elements
of the water tower that are made of a ductile material shall have a design
stress of no more than fifty per cent of the minimum yield strength of the
material, based on the combination of the live load and the dead load This is
equivalent to a 2:1 safety factor..
(b) All structural load supporting elements
of the water tower that are made of a nonductile material shall have a design
stress of no more than twenty per cent of the minimum ultimate strength of the
material, based on the combination of the live load and dead load of the
supporting structure. This is equivalent to a 5:1 safety factor.
(c) Wire ropes, chains, and attaching systems
used to extend and retract a telescopic water tower shall have a safety factor
of five, based on ultimate strength under normal operating conditions. The
factor of safety for the wire rope shall remain above two during any extension
or retraction system stall. The minimum ratio of the diameter of wire rope used
to the diameter of the sheave shall be one to twelve.
(10) Instruction plates and signs.
(a) Plates and signs that provide operational
directions, warnings, and cautions shall be installed in positions visible to
the operator(s).
(b) Instruction
plates shall describe the function and operation of each control.
(c) Warning and caution signs shall indicate
hazards inherent in the operation of the aerial device. These hazards shall
include, but shall not be limited to the following:
(i) Electrical hazards involved where the
aerial device does not provide protection to the personnel from contact with,
or in proximity to, an electrically charged conductor.
(ii) Electrical hazards involved where the
aerial device does not provide protection to ground personnel who contact the
vehicle when it is in contact with energized electrical conductors.
(iii) Hazards from stabilizer
motion.
(iv) Hazards that can
result from failure to follow manufacturer's operating instructions.
(d) Identification signs shall
display the following information relative to the water tower:
(i) Make.
(ii) Model.
(iii) Insulated or noninsulated.
(iv) Serial number.
(v) Date of manufacture.
(vi) Rated load capacity.
(vii) Rated vertical height.
(viii) Rated horizontal reach.
(ix) Maximum hydraulic system pressure, if
applicable.
(x) Hydraulic oil
requirements (change quantity and type), if applicable.
(11) The completed apparatus with
the water tower shall be tested at the manufacturer's approved facility and
certified by an independent testing organization approved by the
manufacturer.
(L) Aerial
devices.
(1) Aerial ladder requirements.
(a) Ladder rungs shall be
equally spaced on a
maximum fourteen-inch centers and minimum eleven
and three-fourth-inch centers and shall have a skid-resistant surface or
covering. When covering is provided, it shall be attached in such a manner as
to be secure from twisting and shall cover at least sixty per cent of the
length of each rung. When round rungs are furnished, they shall have a minimum
outside diameter of one and one-fourth inches, including the skid-resistant
surface or covering. When other than round rungs are furnished, they shall have
a cross-sectional area of no less than 1.2 square inches, a maximum outside
dimension of the cross-sectional area (height or width) of 3.2 inches,
including the skid-resistant surface or covering, and a minimum outside
dimension of three-fourths inch, including the skid-resistant surface or
covering. The minimum design load per rung shall be five hundred pounds
distributed over a three and one-half-inch wide area at the center of the
length of the rung with the rung oriented in its weakest position.
(b) There shall be a minimum of eighteen
inches width between the rails of an aerial ladder, measured at the narrowest
point, excluding any mounted equipment.
(c) When a solid obstruction below the ladder
is wider than twelve inches, a minimum clearance of seven inches between the
center line of the rung and the obstruction shall be provided. When the solid
obstruction below the center line of the ladder is twelve inches or less in
width, the standoff between the center line of the rung and the obstruction may
be less than seven inches, provided that there is at least six inches of rung
width and seven inches of depth below the center line of the rung on each side
of the obstruction.
(d) Top rails
shall be provided on the ladder, shall have a minimum width of one inch, and
shall be at a minimum height of twelve inches above the center line of the
rungs.
(e) Two folding steps with
skid-resistant surfaces shall be provided on the ladder for the use of the
ladder pipe-monitor operator. Each folding step shall have a minimum design
load of five hundred pounds and shall be a minimum of thirty-five square inches
in area. A single step that has a minimum design load of five hundred pounds
and minimum area of one hundred square inches may be used in place of the two
steps.
(f) The ladder shall be
provided with means for attaching fall protection, and persons working on the
ladder shall be provided with fall protection.
(g) The apparatus shall be equipped with
skid-resistant steps or rungs that provide a path at any degree of elevation
from the bottom rung of the aerial ladder to the ground. Steps or rungs, with
the exception of the ground to the first step, shall be spaced on no more than
eighteen-inch centers. Handrails shall also be provided within easy reach at
each step location.
(h) Capacity
rating.
(i) The rated capacity of the aerial
ladder shall be a minimum of two hundred fifty pounds carried on the outermost
rung of the outermost fly section with the aerial ladder placed in the
horizontal position at maximum extension. The aerial ladder shall be capable of
operating in any position while carrying its rated capacity on the outermost
rung of the outermost fly section. If the aerial ladder has a permanently
mounted water delivery system, the two hundred fifty pound load capacity shall
be determined without water in the system.
(ii) The rated capacity of the aerial ladder
shall be a minimum of two hundred fifty pounds carried on the outermost rung of
the outermost fly section with the aerial ladder at forty-five degrees to the
horizontal and at maximum extension while discharging water through the full
range of monitor or nozzle movements as permitted by the
manufacturer.
(iii) All capacity
ratings shall be stated in increments of two hundred fifty pounds and shall be
in addition to any fire fighting equipment installed on the ladder by the
manufacturer.
(iv) If the aerial
ladder is rated in multiple configurations, these configurations, including the
rated load capacity of each, shall be clearly described in both the operations
manual and on a sign at the operator's control station.
(2) Aerial ladder operating
position.
(a)
An
aerial ladder
A water tower operator's
position shall be provided on the apparatus so that the operator is not in
contact with the ground. If equipped with a pump,
provisions shall be made so that the pump operator is not in contact with the
ground. Sign(s) shall be placed to warn the operator(s) of electrocution
hazards.
(b) Indicating devices,
lighted, clearly marked, and conveniently arranged, shall be visible from the
operator's position to:
(i) Indicate that
rungs are aligned for climbing;
(ii) Indicate the alignment of the aerial
ladder with the travel bed;
(iii)
Indicate elevation, extension, and capacity ratings or provide an equivalent
load indicating system.
(c) A weather-resistant, two-way, voice
communication system shall be provided between the aerial ladder operator's
position and the tip of the ladder. The speaker/microphone at the tip shall
allow for hands-free operation.
(3) Aerial ladder operating mechanisms.
(a) Elevation.
(i) A power-operated system for elevating and
lowering the aerial ladder under all the rated conditions of loading shall be
provided. Provisions shall be made to prevent damage at the top and bottom
limits.
(ii) An automatic locking
device(s) shall be provided so that the desired elevated position can be
maintained.
(iii) A locking device
that will retain the aerial ladder in the bed when the vehicle is in motion
shall be provided.
(b)
Rotation.
(i) A power-operated turntable shall
be provided that will permit continuous rotation in either direction under all
the rated conditions of loading. The turntable rotation bearing shall be
accessible for lubrication and retorquing of bolts.
(ii) The turntable rotation mechanism shall
be provided with an automatically applied brake of self-locking drive. It shall
provide braking capacity with all power systems nonfunctioning to prevent
turntable rotation under all rated conditions of loading.
(c) Extension.
(i) A power-operated system for extending and
retracting the fly section(s) under all the rated conditions of loading shall
be provided. An automatic locking device shall be provided so that the desired
position of extension can be maintained.
(ii) When a winch-type extension
system or an extension system with a single extension cylinder and single set
of extension cables is provided, ladder rung lock pawls shall be provided to
prevent retraction movement of the sections in the event of power loss. These
lock pawls shall align the rungs between sections. The control for the pawls
shall be at the base of the ladder adjacent to the operator and shall permit
the operator to clearly determine the on and off position without it being
necessary to see the pawls.
(iii)
(ii) An automatic
locking device shall be provided, in addition to pawls, so that the desired
position of extension can be maintained.
(iv)
(iii) Provision shall be made to prevent damage at
full retraction or extension, stops shall be provided to align the sections
without damage to the ladder or to the cable mechanism when the ladder is
retracted.
(v)
(iv) The step(s) for the tip operator shall be
designed to keep the operator's feet from protruding through the outermost fly
section.
(vi)
(v) The lower station controls shall be capable of
overriding the aerial tip controls.
(vi)
When a
winch-type extension system or an extension system with a single extension
cylinder and single set of extension cables is provided, ladder rung lock pawls
shall be provided to prevent retraction movement of the sections in the event
of power loss. These lock pawls shall align the rungs between sections. The
control for the pawls shall be at the base of the ladder adjacent to the
operator and shall permit the operator to clearly determine the on and off
position without it being necessary to see the pawls.
(4) Aerial ladder water
delivery system.
(a) When more than one set of
controls are provided, the set at the aerial operator's position shall be
capable of overriding all others.
(b) A preset relief valve capable of
protecting the waterway system by relieving pressure through the dumping of
water to the environment shall be provided. Such dumping shall be through a
system of piping terminating in an area away from the operator's position. The
discharge end of the piping shall not have a threaded connection.
(c) A flow meter shall be installed in the
waterway with the display on either the pump operator's panel or the aerial
ladder operator's control panel.
(d) A permanently installed monitor/nozzle
shall not present an obstacle for access to or from the tip of the
ladder.
(e) When a prepiped
waterway is not provided, one hose strap shall be provided per ladder
section.
(5) Elevating
platform requirements.
(a) The platform shall
have a minimum floor area of fourteen square feet.
(b) Steps and the floor of the platform shall
be provided with skid-resistant surfaces.
(c) Drain openings shall be provided to
prevent water accumulation on the platform floor.
(d) The platform shall be provided with a
continuous guard railing, no less than forty-two inches high, on all sides. The
railing shall be constructed so that there are no horizontal or vertical
openings below it greater than twenty-four inches in either
dimension.
(e) At least two gates
shall be provided for access to the platform. Each gate shall be provided with
a self-engaging latch. The use of a vertical-opening or inward-opening,
self-closing gate or door for access to and from the platform shall be
considered as meeting the continuous railing requirement of paragraph (L)(5)(d)
of this rule.
(f) A kick plate or
toeboard no less than four inches high shall be provided around the floor and
may swing with the gate.
(g) A heat
reflective shield shall be provided on the front, sides, and bottom of the
platform.
(h) A water curtain
system capable of providing a cooling spray under the entire floor of the
platform and flowing a minimum of seventy-five GPM shall be provided. The
system shall be controllable by a single, quick-acting valve with an actuator
accessible from the platform.
(i)
The platform shall be provided with means for attaching fall protection, and
persons working on the platform shall be provided with fall
protection.
(j) Capacity rating.
(i) The elevating platform shall be capable
of carrying its rated capacity in the platform in any position of operation.
Positive stops shall be provided to limit platform travel to those positions of
operation recommended by the manufacturer. The capacity rating of the platform
shall be a minimum of seven hundred fifty pounds with the waterway uncharged.
All capacity ratings shall be in addition to any fire fighting equipment
installed on the elevating platform.
(ii) If the elevating platform is rated in
multiple configurations, these configurations, including the rated load
capacity of each, shall be clearly described in both the operations manual and
on a sign at the operator's control station.
(6) Elevating platform operating position.
(a) Two control stations shall be provided,
one known as the platform control station, and the other as the lower control
station. All operational controls shall be operable from both of these
positions. The lower control station shall be located so that the platform is
fully visible to the operator while the controls are being operated.
(b) Provisions shall be made so that the
lower control station operator is not in contact with the ground. Sign(s) shall
be placed to warn the operator(s) of electrocution hazards.
(c) The lower station controls shall be
capable of overriding the platform station controls.
(d) A weather-resistant, two-way, voice
communication system shall be provided between the platform control station and
the lower control station. The speaker/microphone at the tip shall allow for
hands-free operation.
(7) Elevating platform operating mechanisms.
(a) Power-operated elevating and extending
devices shall be provided. They shall be so designed and provided with adequate
power to allow multiple movements of the elevating platform booms or sections
simultaneously under all rated conditions of loading. An automatic locking
device(s) shall be provided so that the desired elevated position can be
maintained. Provisions shall be made to prevent damage at top and bottom
limits.
(b) An automatic
platform-leveling system shall be provided so that the platform, together with
its rated load, is supported and maintained level in relation to the turntable
or horizontal regardless of the positions of the booms or sections.
(c) A power-operated turntable shall be
provided that will permit continuous rotation in either direction under all the
rated conditions of loading. The turntable rotation bearing shall be accessible
for lubrication and retorquing of bolts.
(d) The turntable rotation mechanism shall be
provided with an automatically applied brake or self-locking drive. It shall
provide braking capacity with all power systems nonfunctioning to prevent
turntable rotation under all rated conditions of loading.
(e) A locking device shall be provided that
will retain the elevating platform booms or sections in the bed when the
vehicle is in motion.
(8) Ladders on the elevating platform.
(a) If the raising and extending booms or
sections incorporate a ladder or ladder sections, the ladder shall meet the
requirements of paragraphs (L)(1)(a) to (L)(1)(d), (L)(1)(f), (L)(1)(g), and
(L)(2)(B) of this rule.
(b) The
transition step between the top rung of the ladder and the platform shall be no
more than eighteen inches.
(9) Elevating platform water delivery system.
(a) A slow-operated type shutoff valve shall
be provided at the base of any monitor.
(b) A flow meter shall be installed in the
water delivery system with at least one display on the pump operator's panel or
at the elevating platform operator's position..
(c) A present
preset relief
valve capable of protecting the waterway system by relieving pressure through
the dumping of water to the environment shall be provided. Such dumping shall
be through a system of piping terminating in an area away from the operator's
position. The discharge end of the piping shall not have a threaded
connection.
(10) Control
devices.
All control devices on aerial devices shall meet the
requirements for water tower control devices in paragraphs (K)(5)(a) to
(K)(5)(n) of this rule.
(11) Safety.
Aerial devices shall meet the safety requirements for water
towers in paragraphs (K)(6)(a) to (K)(6)(i) of this rule.
(12) Hydraulic system.
Aerial device hydraulic systems shall meet the requirements for
water tower hydraulic systems in paragraphs (K)(7)(a) to (K)(7)(f) of this
rule.
(13) Structure.
Aerial devices shall meet the structural requirements for water
towers in paragraphs (K)(9)(a) to (K)(9)(c) of this rule, except that wire
ropes, chains, and attaching systems used to extend and retract the fly
sections or booms shall have a safety factor of five.
(14) Stabilization.
Aerial devices shall meet the stability requirements for water
towers in paragraphs (K)(4)(a) to (K)(4)(e) of this rule.
(15) Breathing air system.
(a) Where a
remote breathing air system is provided for aerial
ladders
devices, it shall supply
breathing air for a minimum of one person
two persons on the aerial
platform. The
system shall include storage for at least two
four hundred
cubic feet (eleven thousand three hundred twenty
liters) of breathing air.
(b)
Where
breathing air system is provided for elevating platforms, it shall supply
breathing air for a minimum of two persons in the platform. The system shall
include storage for at least four hundred cubic feet of breathing air
Discharge air from a compressor shall pass through a
purifications system prior to distribution.
(c) The cylinder(s) shall be manufactured,
installed, and used in accordance with
49 CFR
178.37,
2006
edition, "Specification 3AA and 3AAX Seamless Steel Cylinders," or
29
CFR
1910.169
, 2007
edition, "Air Receivers."
(d)
All components of piping system shall be designed for a pressure rating of
three times the working pressure that they are expected to carry. The piping
system shall be equipped with a high pressure regulator at the air supply that
shall limit the air pressure in the piping up the aerial device to one hundred
twenty-five psi at the outlet point.
(e) All piping, valves, and components shall
be made of corrosion-resistant materials and shall be sized for the number of
outlets provided.
(f) A pressure
relief valve set to relieve the pressure at one and one-half times the working
pressure of the piping system in the event of regulator failure shall be
provided on the downstream side of the high pressure regulator.
(g) All valves, pressure regulators, and
gauges shall be protected from accidental damage that could occur through
normal use of the aerial device. The piping or hose system between the air
cylinder(s) and the aerial device shall be installed so as to prevent damage
caused by abrasion, bending, pinching, or exposure to excessive heat.
(h) The system shall meet the performance
requirements for open-circuit SCBA in paragraph (P) of rule
4123:1-21-02 of the
Administrative Code. Holders shall be provided for the storage of the breathing
air equipment when it is not in use.
(i) A low air warning system shall be
provided that will monitor the air volume and will provide an audible warning
at both the upper and lower control stations when the air volume is at twenty
per cent or below.
(16)
Instruction plate and signs as required for water towers in paragraph (K)(10)
of this rule shall be provided on aerial devices.
(M) Inspection, maintenance,
testing and repair.
(1) All apparatus shall have an operational
check and visual check at least weekly, and as soon as practical after any use
or repair to identify and correct unsafe conditions. A preventive maintenance
program shall be established and records shall be maintained. Maintenance,
inspections, and repairs shall be performed in accordance with the
manufacturer's instructions. If the manufacturer is no longer in business and,
therefore, cannot be consulted with regard to repair of the apparatus, the
repairs shall be performed by a repair facility experienced in performing such
repairs.
(2) Any apparatus found to
be unsafe shall be placed out of service until repaired.
After being repaired, the apparatus shall have an operational
check and visual check prior to being placed back in service. The apparatus
shall be returned to service only after the defects and deficiencies that
caused the apparatus to be taken out of service have been corrected.
(3)
If
the aerial device is involved in a situation that produces any structural
damage, or if the inspections and tests that are required reveal any problems
that affect the structural integrity of the aerial device, the aerial device
shall be placed out of service and tested in accordance with NFPA 1911 before
it is placed back in service.
(3)
(4) Fire pumps on
apparatus shall be service tested in accordance with the frequency and
procedures specified in NFPA 1911, "Standard for Inspection, Maintenance,
Testing, and Retirement of In-Service Automotive Fire Apparatus,
2007
2012
Edition."
(4)
(5) All aerial devices shall be inspected and service
tested in accordance with the frequency and procedures specified in NFPA 1911,
"Standard for Inspection, Maintenance, Testing, and Retirement of In-Service
Automotive Fire Apparatus, 2007
2012 Edition."
(5)
(6) Fire department
vehicles shall be operated only by members who have successfully completed an
established or recognized driver training program.
(6)
(7) Any new component
added to an existing apparatus for refurbishing, shall meet the requirements of
this rule.
(a) The refurbished apparatus shall
be tested at the contractor's approved facility and certified by an independent
testing organization approved by the fire department. The certification shall
include at least the following tests:
(i)
Pumping test.
(ii) Pumping engine
overload test.
(iii) Pressure
control device test.
(iv) Priming
device test.
(v) Vacuum
test.
(vi) Water tank to pump flow
test.
(vii) Aerial device
tests.
(8)
Refurbished automotive fire apparatus shall meet the
requirements of NFPA 1912, 2015 edition, "Standard for Fire Apparatus
Refurbishing."