Specifications include, but are not limited to: Air Park Recreation Center and Williams Branch Library Project. Alternate No. A-2 – Concrete Floor Finish: Submit a change cost to provide sealed concrete floors in lieu of polished concrete floors in the following rooms: Multipurpose 119, Multipurpose 120, Catering 121, Art Cleanup 122, Family 124, Shower 133, Changing 134, Shower 135, North Corridor 140, South Corridor 145, East Corridor 146. Alternate No. A-3 – Volleyball equipment: Submit a change cost to provide a ceiling hung, retractable volley ball net and standards assembly in lieu of floor mounted assembly. Alternate No. A-4 – Trash and Transformer Enclosure: Submit a change cost to provide a masonry wall trash and transformer enclosure as laid out and detailed on Sheets, L2.02 and L6.02 in lieu of a chain-link fence with vinyl slat inserts.