Trans 309.09(2)(2) The interior of the body shall be free of all unnecessary projections. It shall be maintained in a sanitary condition. All hangers or supports for equipment and devices shall be mounted as flush as possible with the surrounding surface when not in use. Padding shall be placed at all head area obstructions which may prove dangerous to persons moving about in the patient compartment. Other exposed edges shall be beveled with not less than a 1/8 inch radius or chamfer, and a 1/2 to 1 inch radius on exposed corners. The finish of the entire patient compartment including interiors of storage cabinets shall be impervious to soap and water, disinfectants and mildew and shall be fire resistant. Any floor to wall surface joints shall be sealed with an impervious seal. Trans 309.09 HistoryHistory: Cr. Register, October, 1986, No. 370, eff. 11-1-86; am. (1) (a) and (2), Register, April, 1994, No. 460, eff. 5-1-94; corrected to restore dropped copy, Register, April, 1997, No. 496; am. (1) (c), Register, February, 1999, No. 518, eff. 4-1-99; CR 19-074: am. (1) (b) Register October 2020 No. 778, eff. 11-1-20. Trans 309.10Trans 309.10 Doors. An ambulance shall have 2 unobstructed door openings in addition to the doors for the driver cab compartment. There shall be at least one door opening on the right forward side and a single door or double doors at the rear of the patient compartment. A forward hinged single door, double doors or a sliding type door shall have a minimum right side door opening of 30 inches in width, and 54 inches in height for Types I, I-AD, III and III-AD ambulances and 42 inches in height for Type II ambulances. The opening shall provide clearance to allow access and removal of a patient strapped to a long spine board. Single or double rear loading doors shall cover a clear opening of not less than 46 inches in height and 44 inches in width for Types I, I-AD, III and III-AD ambulances, and the manufacturer’s standard for Type II ambulances. The ambulance body doors shall be equipped with not less than 250 square inches of safety glass area per door. Doors shall be designed for easy release from both the interior and exterior of the ambulance, but an accidental opening shall be prevented by an interlocking system that functions even when doors are not completely closed. Each door shall have effective compression or overlapping seals to prevent the entry of dust, water and air. Doors may contain recessed compartments to the interior for storage of supplies and devices. Trans 309.10 HistoryHistory: Cr. Register, October, 1986, No. 370, eff. 11-1-86; CR 19-074: am. Register October 2020 No. 778, eff. 11-1-20. Trans 309.11Trans 309.11 Bumpers, steps and stepwells. Chassis manufacturer’s standard bumpers shall be furnished with the exception of the rear bumpers of Types I, I-AD, III and III-AD ambulances. Types I, I-AD, III and III-AD ambulances shall have a sturdy full width rear vehicular and body bumper with step, secured to the vehicle’s chassis-frame. The rear bumper and step shall be adequate to support the test weight of 500 pounds without flexing or buckling. If the patient compartment floor is more than 18 inches above the ground on a Type II ambulance, a step shall be installed within 2 inches of an equal distance between the ground and the patient compartment floor. All bumper steps shall be designed to prevent the accumulation of mud, ice or snow and shall be made of antiskid, open grating metal. Steps may be of a folding style but may not be located within or exposed to the interior of the ambulance when the doors are closed. All steps shall extend the full width of the door opening for which they are provided and shall be not less than 5 inches nor more than 10 inches in depth. Trans 309.11 HistoryHistory: Cr. Register, October, 1986, No. 370, eff. 11-1-86; CR 19-074: am. Register October 2020 No. 778, eff. 11-1-20. Trans 309.12(1)(1) Each tire shall have not less than 1/8 inch tread depth. The depth shall be measured at 2 points not less than 15 inches apart in any major tread groove at or near the center of the tire. Trans 309.12(2)(2) Wheels, tires and brake drum assemblies shall be in balance. Trans 309.12(3)(3) Snow tires with tungsten carbide studs, which shall not project more than one-eighth inch beyond the treads surface of the tire, may be installed on an ambulance from the 15th day of November each year through the 1st day of April of the following year. Trans 309.12(5)(5) Tires shall be maintained in good working condition. Tires shall not have serious cuts, bulges, sidewall defects or exposed fabric or cords. Trans 309.12(6)(6) Radial and bias tires shall not be mounted on the same axle. Trans 309.12(7)(7) Wheels shall not have any cracks, unseated lock rings, loose, broken or missing lugs, studs or clamps, bent or cracked rims or elongated stud holes. Trans 309.12(8)(8) Tires shall not be loaded above the manufacturer’s weight limits. Trans 309.12 HistoryHistory: Cr. Register, October, 1986, No. 370, eff. 11-1-86; reprinted to restore dropped copy in (1), Register, April, 1997, No. 496; am. (1) and (2), cr. (5), Register, February, 1999, No. 518, eff. 4-1-99; CR 19-074: am. (3), (5), cr. (6) to (8) Register October 2020 No. 778, eff. 11-1-20; correction in (3) made under s. 35.17, Stats. Register October 2020 No. 778. Trans 309.13Trans 309.13 Batteries. All ambulances shall be equipped with a 2 or more battery system. All batteries should be securely attached to prevent dislocation in the event of an accident. When mounted outside of the engine compartment the battery shall be contained in a closed, drained, weather-tight and vented compartment in the body skirt, which shall retain the battery in the event of an upset or rollover. The battery compartment door or cover shall be secured by a latch. The battery cables may not be spliced. Trans 309.13 HistoryHistory: Cr. Register, October, 1986, No. 370, eff. 11-1-86; am. Register, February, 1999, No. 518, eff. 4-1-99. Trans 309.14(1)(1) Required environmental climatic equipment. All ambulances shall be equipped with a complete climate environmental system to supply and maintain clean air conditions and an inside temperature at a comfortable level in both driver and patient compartments. The various systems for heating, ventilating and air conditioning may be separate or combination systems that permit independent control of environment within each compartment. The driver and patient compartment environments may not be dependent upon one another in any way. Trans 309.14(2)(2) Interior environment climate. When an ambulance is prepared for immediate response with medications and solutions on the ambulance, the ambulance’s interior climate shall be maintained so that the medications and solutions are kept within the temperature range required by the manufacturer. Trans 309.14 HistoryHistory: Cr. Register, October, 1986, No. 370, eff. 11-1-86; CR 19-074: renum. Trans 309.14 to (1), cr. (1) (title), (2) Register October 2020 No. 778, eff. 11-1-20; correction in (2) made under s. 35.17, Stats., Register October 2020 No. 778. Trans 309.15(1)(1) General lamps. Ambulances shall be equipped with headlamps, directional signal lamps, tail lamps, stop lamps, parking lamps, sidemarker lamps, license plate lamps, backup lamps, hazard warning lamps and clearance lamps meeting the requirements of ch. 347, Stats. Trans 309.15(2)(a)1.1. Except as provided in par. (b), 2 top-corner mounted alternating flashing red lamps facing forward with a white flashing light mounted at an equal distance between them; Trans 309.15(2)(a)2.2. Except as provided in par. (c), 2 top-corner mounted alternating flashing red lights facing to the rear; Trans 309.15(2)(a)3.3. Two top-corner mounted alternating flashing red lights facing to the right side;