Specifications include, but are not limited to: The gym floor is 24,688 sq. feet. Specifications call for 350 Bona Sport Seal water base polyurethane sealer, 350 Bona AllCourt Poly water base finish and 350 Bona CourtLines Sport Floor water base paint or equivalent preapproved water base products ; Sanding – Floor shall be sanded using drum sander, edger, and hand scraper as required and according to any manufacturer sanding specifications and guidelines. After sanding, entire floor shall be buffed using 100-grit screen back or equal grit sandpaper with a commercial buffing machine and according to product guidelines. ; Specific to Basketball – remove 3 foot arches from all three courts; expansions of the size of coaches’ box by ten feet from 28 feet to 38 feet. Keep the 28 foot coaches mark as it is helpful with other rules. Place an NCAA Basketball Logo or X at center court scorer’s table for substitution mark. ; Approximately 102 tick marks shall be applied in accordance with NEC Volleyball rules and guidelines and in the same manner as game lines and two (2) volleyball tick marks off court.