- (a) Floor in under seat area, including the tops of wheel housings, driver's compartment, and toe board, shall be covered with a rubber floor covering or equivalent, having a minimum overall thickness of one hundred twenty-five thousandths of an inch (.125”).
(b)
(1) The floor covering in the aisle shall be:
- (A) Of aisle-type rubber or equivalent;
- (B) Wear-resistant; and
- (C) Ribbed.
- (2) Minimum over-all thickness shall be one hundred eighty-seven thousandths of an inch (.187”) measured from the tops of the ribs.
(c)
(1) The floor covering must:
- (A) Be permanently bonded to the floor; and
- (B) Not crack when subjected to sudden changes in temperature.
(2) Bonding or adhesive material shall be:
- (A) Waterproof; and
- (B) Of a type recommended by the manufacturer of the floor-covering material.
- (3) All seams shall be sealed with waterproof sealer.
(d)
- (1) Body manufacturer shall provide a screw-down plate that is secured and insulated to access the fuel tank sending unit.
- (2) Type A is excluded from this requirement.
- (e) All special needs school buses shall have five-eighths-inch treated or marine-grade plywood floors.