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REV: 04-29-25 LF <br />and lower roof skin shall be 0.13 inch thick; the rear wall and raised roof skins shall be 0.09 inch <br />thick; the front cab structure shall be 0.19 inch thick. <br />The exterior width of the cab shall be 99.40 inches wide with a minimum interior width of 91.00 <br />inches. The overall cab length shall be 131.10 inches with 54.00 inches from the centerline of the <br />front of the axle to the back of the cab. <br />The cab interior shall be designed to afford the maximum usable interior space and attention to <br />ergonomics with hip and legroom while seated which exceeds industry standards. The crew cab <br />floor shall be flat across the entire walking area for ease of movement inside the cab. <br />The cab shall offer an interior height of 57.50 inches from the front floor to the headliner in the <br />non-raised roof area and a rear floor to headliner height of 65.00 inches in the raised roof area, <br />at a minimum. The cab shall offer an interior measurement at the floor level from the rear of the <br />engine tunnel to the rear wall of the cab of 49.88 inches. All interior measurements shall include <br />the area within the interior trimmed surfaces and not to any unfinished surface. <br />The cab shall include a driver and officer area with two (2) cab doors large enough for personnel <br />in full firefighting gear. The front doors shall offer a clear opening of 40.25 inches wide X 53.50 <br />inches high, from the cab floor to the top of the door opening. The cab shall also include a crew <br />area with up to two (2) cab doors, also large enough for personnel in full firefighting gear. The <br />rear doors shall offer a clear opening of 32.25 inches wide X 61.00 inches high, from the cab <br />floor to the top of the door opening. <br />The cab shall incorporate a progressive two (2) step configuration from the ground to the cab floor <br />at each door opening. The progressive steps are vertically staggered and extend the full width of <br />each step well allowing personnel in full firefighting gear to enter and exit the cab easily and safely. <br />The first step for the driver and officer area shall measure approximately 11.50 inches deep X <br />31.13 inches wide. The intermediate step shall measure approximately 8.50 inches deep X 32.50 <br />inches wide. The height from the first step to the intermediate step and the intermediate step to <br />the cab floor shall not exceed 11.00 inches. <br />The first step for the crew area shall measure approximately 11.50 inches deep X 20.44 inches <br />wide. The intermediate step shall measure approximately 10.25 inches deep X 22.75 inches wide. <br />The height from the first step to the intermediate step and the intermediate step to the cab floor <br />shall not exceed 12.80 inches. <br />OCCUPANT PROTECTION <br />An IMMI 4Front® occupant protection system shall be installed in the vehicle’s cab. The system <br />shall inflate three (3) air bags in the following locations: <br />•Steering wheel air bag to protect the head and neck of the driver <br />•Knee bolster air bag to protect the driver’s legs <br />•Knee bolster air bag to protect the officer’s legs <br />The air bags shall use a combination of high-pressure stored argon and oxygen with a pyrotechnic <br />charge for initiation to inflate the bags and remain inflated for several seconds. <br />ATTY/AGR.2025.089/Fire Apparatus Solutions (Purchase of Spartan-LTC 105' TDA) (Page 23 of 150)