Line 1: ROLL UP GARAGE DOORS Quantity: 3.0000 Line 2: DOOR OPENERS Quantity: 3.0000. CHI doors or equal, at a minimum must consist of the following in order to be considered for award. CHI insulated sandwich panel doors; Twenty Feet two inches wide by twelve feet high (20’2” W × 12’0” H;) Sectional, Insulated Sandwich (Flush Panel); Double-sided twenty-six-gauge (26 ga) exterior / twenty-seven-gauge (27 ga) interior steel, metal wrapped; Polyurethane core, R-17.5 (ASTM C518 compliant); Two inches (2”) (nominal); Five (5) total windows per door (single panel), twenty-four inches by 12 inch (24” × 12”) insulated glass units, matching frame color; Flush – smooth textured steel exterior for a clean architectural appearance; Six inch (6”) galvanized steel side plates; Double contact bottom seal and flexible inter-panel gaskets; Heavy-duty double side hinges (minimum 14 ga galvanized steel); Three-inch (3”) diameter, ten (10) ball-bearing, case-hardened steel tires with solid shafts;