Item 1e: Size 18 or more inches Chair (Extra Large) - Chair seat height shall be a minimum 18 inches (plus or minus 1 inch). Seat shall have a minimum size of 17.5 inches width by 19.5 inches depth with minimum weight capacity of 250 pounds. Seat and Backrest Construction - Seat sizes for all chairs shall be in proportion to height and shall not deviate from industry standard averages. The chair shall have a one-piece 5/8 inch thick minimum, molded minimum seventy-five percent (75%) polypropylene plastic contoured seat with “waterfall” front edge. The seat back shall be designed with contoured support to ensure flexibility in the upper back portion of the chair. The edges of seat and backrest shall be flanged or radiused, either rounded or squared, for additional strength. Seat shall be securely attached to the steel frame at a minimum of four (4) separate non-load bearing concealed fasteners and/or screws. Other than a hole at the top of the seat backrest to facilitate handling, the seat backrest shall not have a large opening or open slit(s) in its center. Seat and Shell (Colors) - A minimum of ten (10) seat colors shall be offered at no additional charge...
