C. FABRICATION: 1. Fabricate tops and accessories in accordance with manufacturer’s recommendations, approved Shop Drawings, and SEFA 8. 2. Epoxy Resin Worksurfaces: a. Thickness: 1) 1 inch (25 mm) unless otherwise indicated. a) Check each sheet at factory for required thickness. b) Maximum variation in thickness: plus, or minus 1/16 inch (1.6mm) from corner to corner. b. Warpage: 1) Inspect tops for warpage prior to fabrication by placing on true flat surface. a) Maximum allowable warpage: 1/16-inch (1.5 mm) in 36-inch (900 mm) span or 3/16-inch (4.5 mm) in 96-inch (2400 mm) span. c. Fabrication: 1) Shop fabricates in longest practical lengths. a) Bond joints with highly chemical resistant cement with properties and color similar to base material. b) Provide 1/8-inch (3 mm) drip groove at underside of exposed edges, set back ½ inch (13 mm) from face. c) Finish exposed edges. d. Edge treatment: 1) Standard 1/8-inch (2 mm) chamfered edge. e. Corner treatment: 1) Exposed corners shall be eased slightly for safety f. Back and end splashes: 1) Supplied loose for field installation. 2) Same material and thickness as worksurfaces. 3) 4 inches high unless otherwise indicated. 4) Top-mounted end splash where worksurfaces abut adjacent construction and locations indicated on Drawings. g. Joints: 1) Maximum 1/8 inch (2 mm), bonded with epoxy grout. 2) Make joints between two benches level. 3) Locate joints away from sinks and over or near supports. h. Sink cutouts: 1) Routed for drop-in sink. i. Allowable tolerances: 1) Square. a) Plus, or Minus 1/64 inch (0.4 mm) for each 12 inches (300 mm) of length. 2) Location of cutouts and drilled openings. a) Plus, or Minus 1/8 inch (3 mm) of design dimension. 3) Size of cutouts and drilled openings. a) Plus 1/8 inch (3 mm) or minus 0 inches (0 mm).
12 35 53.19 Wood Laboratory Casework - 57
DiversifiedCasework.com | info@DiversifiedCasework.com | 877.348.9663
Made with FlippingBook interactive PDF creator