attachment 2 section i ? technical specifications commuter coach ...

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ATTACHMENT 2
The flammability and smoke characteristics of this material shall be demonstrated to be permanent by
subjecting the foam specimen to ASTM D-3574 J1 Steam Autoclave Aging and Dynamic Fatigue Test
by the Toller Shear at Constant Force, before conducting the flammability and smoke tests.
2.10.3 DRIVER'S SEAT
2.10.3.1 DIMENSIONS
The driver’s seat shall be a Recaro Ergo Metro or approved equal. The driver’s seat shall be adjustable
and shall have up to 9.05 inches of adjustment fore and aft direction. The seat back and cushion shall be
adjustable. The seat shall have cushion depth adjustment, height adjustment (5.5 inches maximum),seat
back adjustment, rear cushion and lumbar adjustment so that the operators ranging in size from the 98 th
percentile male to the 5 th percentile female may operate the coach. The suspension control shall be
ergonomically designed so that the operator can adjust the seat without looking. The suspension height
adjustment and lumbar switches shall be operated with a rocker switch, no rotating knobs are
acceptable. The seat suspension shall be capable of dampening varying frequencies that are transmitted
through the vehicle caused by varying road conditions. The seat shall be cushioned by a dual shock
absorber design. One shock shall be adjustable to allow the operator to control the ride settings. A
rubber bumper is required to prevent bottoming out of the seat.
A rubber bellow boot shall be provided to cover the suspension to keep dirt, dust, and driver’s fingers
away from suspension system. All air lines are to be ¼ inch diameter and have quick disconnect at the
back of the seat. The suspension shall have a minimum of 15 degrees of seat cushion tilt. The rake
adjustment shall be dual-sided and be accomplished without leaving the seat. The seat cushion shall
adjust from 18-20 inches for varying size drivers. Double locking seat tracks with stainless steel
bearings shall be provided. The seat tracks durability and improve rearward travel. The seat shall come
equipped with an air track release and a manual center release. All controls are to be on the right-hand
side of the seat.
The seat shall be equipped with manual dual recliner gears. The seat back shall be adjustable with dual
sided hand controls and include a 24.5 degree recline stop. Recline stop is to prevent the seat from
interfering with the driver’s barrier. The seat back shall be infinitely adjustable from 90 to 114.5
degrees. The seat back shall come with a full protective back shell
2.10.3.2 STRUCTURE AND DESIGN
The driver’s seat cushion shall be made of polyurethane foam. The foam shall be constructed to
provide lateral support to provide better operator stability in curves and turns. All exposed metal on the
driver's seat, including the pedestal, shall be painted steel. Required seat belts shall be fastened to the
seat so that the seat may be adjusted by the driver without resetting the seat belt. Seat belts shall be
stored in automatic, inertia locking type retractors that do not tighten up during operation. The retractor
shall be located to the left of the driver; the latch mechanism shall be located on the right. The seat belt
shall be designed to allow the operator to "set" the tension on the belt. The belt shall be designed to not
creep, making the belt tighter or loose. The seat belt shall be long enough to secure a 98% male driver.