The following floors require sanding, repainting, and refinishing: School/Approximate Sq. Ft. Columbia Central Main Gym 15,360 Spring Hill Middle School 12,177 AREA The entire gym floor with the exception of the wood flooring under the retractable bleachers will be refinished. Any heavy dust from sanding that gets under bleachers should be removed. PREPARATION The Contractor will protect all vertical surfaces and entryways. All ventilation units will be sealed to prevent airborne contamination. SANDING The floor is to be sanded to bare wood using a minimum of four (4) cuts with the sanding machine - one (1) Coarse - one (1) Medium - and two (2) Fine, until the surface is completely smooth. Additional cuts shall be required if the surface is not completely smooth. A diagonal cut shall be required if the floor is cupped. TACK After sanding, the floor shall be vacuumed and tacked to ensure that the surface is completely free from all dusts and particles acceptable for finishing. SEALER Apply one (1) coat of 40% solids oil modified urethane (per manufacturer’s specifications). FINISH Apply three (3) coats of 50% solids oil modified urethane (per manufacturer’s specifications). Screen between each finish coat with 100 grit discs, followed by vacuuming and tack to remove all dust & particles. GAME LINES Paint game lines over sealer with product compatible with sealer and finish according to manufacturer’s specifications. Colors will be determined by representatives of Columbia Central High School and Spring Hill Middle School prior to the beginning of the refinishing. A minimum of 48 hours shall be allowed for the paint to cure. Screen painted areas with 150 grit discs, followed by vacuuming and tack. PAINTING LAYOUT All courts will be fully repainted and designed. This will include lines for the main basketball court, side basketball courts, main volleyball court and dual volleyball courts. Vendor will provide a minimum of 3 court variation designs with various stain options to select from with ultimately one being approved by the school and district office prior to work beginning. - Multicolored center logo - Boarder to include school name on one end and mascot name on the other. - Caty corner on court will be MCPS logo with natural stain to blind in with floor. - TSSAA approved coaches’ boxes and scores table check-in. - Name of Court/Gymnasium if applicable