Complete Arch Manual

Cabinet Specifications

R. Base molding and stainless-steel corner clips shall be provided by others. S. Upright rods, cross rods and ring support rods, where specified, shall be aluminum (1/2” or 3/4” dia., as required). Rod sockets shall be aluminum, secured through table tops with lock nut and washer. Rod clamps shall be heavy duty, designed to securely hold rod assembly in any position. Use of wood rod assemblies will not be accepted. T. Label holders, where shown or called for, shall be stainless steel, brad-attached type with satin finish and designed for 2” x 1” cards. U. Number plates, where shown or called for, shall be brass brad-attached type with satin finish and indented black lettering. V. Sink supports, where required, shall be of a cradle type consisting of two 1-1/2” x 3/4” horizontal cleats and adjustable leveling bolts or glides. The horizontal cleats shall be supported by two 1/8” x 1-1/2” angle irons attached to the cabinet end panels. 2.03 CONSTRUCTION A. Open-leg Tables: Legs shall be Red Oak hardwood construction, 2-1/4” square with 1/4” radius on all corners. Legs shall be secured to the apron frame by a heavy-duty corner bolt and a 13-gauge steel corner brace. Corner braces shall be locked into apron rails by accurately located grooves and shall be securely fastened with screws. All apron rails shall be 13/16” thick solid Red Oak. Top shall be attached using zinc coated screws through pocket holes in the apron. Leg stretchers, where required, shall be 7/8” x 2-1/2”, secured with a 4” long through-bolt. B. Base Cabinets shall consist of the following minimum construction: 1. Joinery must meet AWI Premium Grade requirements and these specifications. 2. End panels shall be multiple doweled and glued to top frame members, intermediate rails, and bottoms. Dowel spacing shall be a maximum of 64mm on center. 3. Cabinet bottoms shall be multiple doweled and glued to end panels. Dowel spacing shall be a maximum of 64mm on center. 4. Toe space shall be 4” high and fully enclosed. Toe space shall be attached with a minimum of 4 dowels and shall also be mechanically fastened to each end panel with screw fasteners. 5. Edging shall be provided on the front edges of ends, tops, bottoms, and shelves, and on all four edges of door and drawer fronts. 6. Cabinet top shall be composed of a single full sub-top composed of 3/4” veneer core plywood that has been doweled and glued to all end panels. A cutout in the top shall be provided in order to provide for ease of installation and leveling of tops. 7. Intermediate rails (3/4” x 2-1/2” hardwood per parts definition) shall be multiple doweled and glued to end panels at the front of the cabinet between drawers and between drawers and doors. 8. Screw strips (3/4” by 4” veneer core hardwood plywood) shall be located at the top and bottom behind the cabinet back and multiple doweled to the cabinet ends. 9. Hardboard cabinet backs shall be fully captured and dadoed into end panels and bottoms, with full perimeter gluing around the rear of the back. Where a removable back is indicated, it shall be an additional piece applied to cover an opening that is added to the fully captured back. (Backs are to meet the visual requirement of cabinet parts.) 10. Shelves shall be 3/4” thick in cabinets up to 36” wide, 1” thick in all cabinets over 36” wide. (Front edges of shelves are to meet the visual requirement of cabinet parts.) 11. Drawer box shall be four-sided (sub-front, sides and back), each panel made of nominal 1/2” thick, 9-ply Baltic Birch plywood and joined to adjacent panels by full glue and multiple dovetail joinery all four corners. 12.Drawer bottom (1/4” on drawers under 42” wide, 1/2” on larger drawers) shall be white faced hardboard (appearance to meet visual appearance of drawer box), dadoed into all four drawer box sides with full perimeter gluing on the underside. 13. Door and drawer heads shall be 3/4” thick plywood with edging as specified to resist warping. Reveals shall be 1/8” vertically and 1/4” horizontally between door and drawer heads and 1/2” on end panels. Face veneers shall be vertically grain matched.

14. Drawer slides shall be easily removable with a 100 lb. dynamic load rating and nylon roller bearings, powder coated surfaces, self-closing and with a hold-open feature. Slides shall be attached to the drawer box both from below and the side. File drawers shall be full extension, 150 lb. dynamic load rating mounted to the drawer sides. C. Full Height Sliding Door Cases: 1. Shall be designed and constructed for full enclosure to assure dust proofing of the interior. 2. Tops shall be 1” thick plywood, multiple doweled into end panels, secured with glue. 3. A double extruded aluminum track shall be attached to the case top for suspension system when sliding doors are called for. Doors shall be suspended from an adjustable hanger and glide on nylon roller wheels. An aluminum U-channel is located on the case bottom to guide the bottom of the doors. 4. Solid panel doors shall be 3/4” thick plywood with edging as specified. 5. Glazed doors shall have 2-3/4” x 7/8” thick framing, mortised, tenoned, and glued. Glass shall be set into door frame and secured with a plastic retainer. 6. Doors shall be removable without use of tools, and so designed to prevent by-passing. 7. Shelves shall be 3/4” thick in cabinets up to 36” wide, 1” thick in all cabinets over 36” wide. 8. To assure a rigid case, the center shelf is structurally joined to the end panels and glued. 9. Case bottoms shall be 3/4” thick plywood, multiple doweled and glued securely to end panels. 10. A 3” full width strip shall be doweled and mechanically fastened into the side panels of the cabinet at both top and bottom of the back and used for attaching the cabinet to wall. 11. Toe space, 2-1/4” deep x 4” high, shall be totally enclosed by a 3/4” x 4” plywood rail. 12.Backs in open and glazed door cases shall be 1/4” plywood; backs not exposed to view shall be 1/4” high-density fiberboard. 13. Case interior shall be flush. D. Full Height Swinging Door Cases: General construction features shall be the same as for sliding door cases except for the following: 1. Doors shall overlap opening on all four sides. 2. A 3” full width strip shall be doweled and mechanically fastened into the side panels of the cabinet at both top and bottom of the back and used for attaching cabinet to wall. 3. Hardwood door rails shall be mitered at corners. 4. Astragal applied to left hand door shall provide further dust proofing. E. Wall-Hung Sliding Door Cases: General construction features shall be the same as for full height type cases with the following exception: 1. A 3” full width strip shall be doweled and mechanically fastened into the side panels of the cabinet at both top and bottom of the back and used for attaching the cabinet to wall. 2. Case bottoms shall be 1” thick plywood, multiple doweled and glued securely to end panels. F. Wall Hung Swinging Door Cases: Construction and materials shall be the same as for sliding door cases with the following exceptions: 1. Panel or glass framed doors shall be hung on 1 pair of offset institutional type hinges under 48” in height. Doors on cases 48” high shall have 1-1/2 pair of offset institutional type hinges. 2. All doors shall overlap opening four sides. 3. A 3” full width strip shall be doweled and mechanically fastened into the side panels of the cabinet at

both top and bottom of the back and used for attaching the cabinet to wall. 4. Glass doors shall use mitered corners for the hardwood stiles and rails. 5. Astragal applied to left hand door shall provide further dust proofing.

2.04 FINISH AND PERFORMANCE REQUIREMENTS A. Wood Surface Preparation: Prior to application of the wood finish, case and cabinet surfaces shall be smoothly sanded to remove loose fibers, scratch marks and abrasions, with all dust thoroughly removed by compressed air. Finish shall be applied to cabinet parts prior to assembly in order to assure uniform coverage.

12 35 53.19 Wood Laboratory Casework

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