Specifications include, but are not limited to: Obama -WS - 330 - Cast-in-Place Concrete Obama -WS - 420 - Masonry Obama -WS - 510 - Steel Erection Obama -WS - 512 - Steel Supply Obama -WS - 610 - Carpentry, Specialties, and Equipment Obama -WS 3210 - Exterior Paving Obama -WS - 750 - Roofing, Sheet Metal and Metal Enclosures Obama -WS - 790 - Firestopping and Joint Sealers Obama -WS - 810 - Doors, Frames and Hardware - Supply Obama -WS - 833 - Coiling and Sectional Doors Obama -WS - 840 - Aluminum Storefronts, Entrances, Curtainwalls and Glass & Glazing Obama -WS - 920 - Drywall Obama -WS - 930 - Tile and Terrazzo Obama -WS - 950 - Acoustical and Linear Ceilings and Acoustic Components Obama -WS - 965 - Resilient Flooring and Carpeting Obama -WS - 966 - Athletic Flooring Obama -WS - 990 - Painting, Coatings and Wall Coverings Obama -WS - 1051 - Lockers Obama -WS - 1140 - Food Service Equipment Obama -WS - 1166 - Gymnasium Equipment Obama -WS - 1420 - Hydraulic Elevator Modernization Obama -WS - 2100 - Fire Protection Obama -WS - 2200 - Plumbing, Piping and Heating Obama -WS - 2300 - HVAC and Integrated Automation Obama -WS - 2600 - Electrical, Communications and Electronic Safety and Security Obama -WS - 3100 - Earthwork Obama -WS - 3290 - Landscape, Fence, Boulders and Site Furnishings Obama -WS - 3300 - Utilities