KKK-A-1822 E
the body structure. These components shall be fastened by welding, bolting, or self-tapping
(threading) machine screws, on at least 46 cm (18 in.) centers or less, as applicable to the
component being installed. Sheet metal, self-tapping wood/metal screws, nails, staples, etc.
shall not be used in assembling the ambulance structure, except for self-threading sheet metal
screws used for light trim panels and for retention of wood or composite sub-flooring.
Vehicles furnished with fiberglass/plastic, exterior roof panel shall have the center section
embedded with metal wire screening (see 3.14.3 for a radio antenna ground plane). Ambulance
bodies with an extended roof shall have the roof structural members permanently fastened to
structural members of the body (welded, bolted, and sealed) to prevent separation in an accident.
Body structure shall, as necessary, include gusseting to provide diagonal strength. Drip rail(s)
shall be provided around the entire modular body and have drain points at each corner. Drip
rails shall also be furnished over each entry and compartment door. When structure permits, drip rail
shall extend 2.5 cm (1 in.) beyond the edge of the doors.
Body skirt(s) shall not extend more than 8 cm (3 in.) below the vehicle cab/body. The
body, roof, and panel joints shall be watertight. All openings between the chassis-body and
occupant carrying compartments, including the bulkhead between cab and body of Type I
and III (see 3.9.9), shall be sealed to prevent intrusion of water, dust, and exhaust gases.
3.10.7
BODY MOUNTING.
On Types I and III ambulance bodies, to reduce stress on body and frame, minimize height
above the frame, and isolate the patient compartment from noise and vibration, full floating,
automotive style, rubber body mounts or other chassis manufacturer's approved body
mounting systems shall be furnished with a minimum four per side on bodies up to 371 cm
(146 in.) and five per side on bodies over 371 cm (146 in.). Reinforcements or filler blocks
shall be used where mounting device(s) may deform frame flanges. Mounting devices shall
be locked units which will minimize loosening, but which may be re-tightened, if necessary.
Modular bodies shall be interchangeable with other chassis of the same manufacturer having
the same cab to axle (CA) dimension (reference 3.5.6).
3.10.8
DOORS.
Two patient compartment door openings shall be provided. There shall be a door opening
on the right forward side, and at the rear of the body for loading a patient on a cot. The
side opening shall have a single forward hinged or sliding door for Types I and III, double
hinged doors for Type II, or if specified (see 6.2-ff) a sliding type door for Type II vehicles
shall be furnished. Door(s) shall provide a minimum right side clear opening of 76 cm (30
in.) wide and of 160 cm (63 in.) high for Types I and III and the chassis manufacturer's
standard opening for Type II vehicles. Should the rear doors be rendered inoperable, the
side door and interior configuration shall permit emergency removal of the patient either
on a backboard or other device used for spinal immobilization. Unless otherwise specified
(see 6.2-ff), e.g. wide offset, rear loading door(s) shall cover a clear opening of not less
than 117 cm (46 in.) in height for Type II and a minimum height of 117 cm (46 in.) for
Types I & III and 112 cm (44 in.) in width for Types I and III and the chassis manufacturer's
standard opening for Type II vehicles. All ambulance body doors shall be equipped with
not less than 1613 sq. cm (250 square in.) of safety glass area per door. Doors shall be
designed for easy release and meet the requirements of 3.10.9. A "Door-Open" warning
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