A-A-58005 Truck, Fire Fighting \(Telescoping Aerial Ladder And Work Platform\)This commercial item description \(CID\) covers an aerial ladder fire truck. It has a 6x4 chassis with a diesel engine and an automatic transmission; a cab for at least five seated persons with at least four doors; a 1,250 gallon per minute \(gpm\) fire pump; a water tank with a capacity of at least 150 gallons; hose storage areas; an aerial ladder with a permanently mounted waterway and work platform; ground ladders; and equipment compartments. The aerial ladder truck is intended to combat structural and associated fires, and to support fire fighting and rescue operations by positioning personnel, handling materials, providing continuous egress, or discharging water at positions elevated from the ground.

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A-A-58005C

2.3.5 Tire chains. When specified (see 6.2), the vehicle shall be equipped with driver activated

automatic type tire chains for the front rear axle.

2.3.6 Fenders. Rear fenders and fender liners having tire chain clearance shall be provided. For

vehicles painted Desert Tan, the fender flairs shall be painted Desert Tan.

2.3.7 Steering. The vehicle shall be equipped with power steering.

2.3.8 Transmission. A fully automatic transmission with a hydraulic torque converter and at least

four forward speeds shall be provided. The normal driving range selector position shall provide

at least four gear ratios without movement of the selector. The net torque capacity and the net

power rating of the transmission shall exceed the output ratings of the engine. The transmission

shall have a direct drive lockup for pumping.

2.3.9 Fuel tank. Fuel tank(s) having a minimum usable capacity in accordance with NFPA 1901

or 50 gallons, whichever is greater, shall be provided. The location of the fuel tank(s) shall

protect it (them) from mechanical damage during normal use of the vehicle. The tank fill location

or fuel tank cap shall be marked as to the type of fuel the vehicle shall be serviced with.

2.3.10 License plate bracket. A lighted license plate bracket shall be provided at the left rear of

the vehicle.

2.4 Low-voltage electrical systems. The vehicle shall have a 12 volt electrical and starting

system.

2.4.1 Alternator. A single alternator charging system in accordance with 13.3 of NFPA 1901

shall be provided. The minimum continuous electrical load shall include operation of the air

conditioning system.

2.4.2 Batteries. Batteries shall be of the maintenance-free type. The addition of water shall not

be required during the battery s normal service life. The battery cover and vent system shall be

designed to prevent electrolyte loss during service and to keep the top of the battery free from

electrolyte.

2.4.2.1 Battery compartment. The batteries shall be mounted in an acid-resistant tray and shall be

enclosed in a weatherproof box or compartment.

2.4.3 Battery charger or conditioner. The vehicle shall have a DC taper type battery charger or an

automatic battery conditioner, providing a minimum 15 amp output. The charger/conditioner

shall be permanently mounted on the vehicle in a properly ventilated, accessible location. The

charger/conditioner shall be powered from the electrical shoreline receptacle (see 2.10.2). A

charging indicator shall be installed next to the receptacle. When a battery conditioner is

provided, it shall monitor the battery state of charge and, as necessary, automatically charge or

maintain the batteries without gassing, depleting fluid level, overheating, or overcharging.