SECTION LABORATORY BENCH SYSTEM

Transcription

1 LABORATORY CASEWORK/RELATED PRODUCTS ENVISION SYSTEM REVISED NOVEMBER, 2011 SECTION LABORATORY BENCH SYSTEM PART 1 - GENERAL 1.00 SUMMARY A. Section Includes: 1. Tables and Work Surfaces 2. Center Island Support Structures 3. Shelving Assemblies 4. Ceiling panel system and fittings 5. Suspended or Mobile Cabinets B. Related sections: 1. Section Laboratory Fume Hoods 2. Section Wood Laboratory Casework C. American Made Furniture wholly manufactured and assembled in USA 1.01 SYSTEM DESIGN REQUIREMENTS A. Tube frame style support structures, tables and cantilevered storage units. B. Tubular Frames: Vertical support structure for tables, shelves and service chase designed for service lines, data and electrical cables. 1. Modular units shall be suitable for wall, peninsula or island configurations. 2. Rear frame will be supported with structural tables, 3. Work surface frame designed to be removable and capable of adding two additional legs to create a four-legged table. 4. Bench system shall be pre-wired and pre-plumbed, with cut outs specified to accommodate data services. Cabling plug-ins and service line quick connects per specification requirements. C. Tables Frames: Modular work surface support structures allowing mechanically fastened height adjustability. 1. Free standing and adjustable height work surface frames equipped with leveling device. D. Bench system requirements: 1. Bench system shall be constructed of a steel welded frame with slotted uprights which will support the upper shelving and work surface table frame. 2. Electric/data, outlets, and service supply lines are contained in the tubular frame serving as a utility chase. 3. The vertical height of table work surfaces can be adjusted to 30, 32,

2 1.02 SUBMITTALS 34, 36, and 37 ; shelves are adjustable on 1 increments. 4. Services including electric/data, phone, and plumbing; all terminate at the top of the vertical support/chase. 5. The bench system shall ship complete, pre-wired and pre-plumbed with minimal final assembly. A. Shop Drawings: Provide 1/2"=1'-0" scale elevations of all components, cross sections, rough-in and anchor locations, in wall backing locations if required, tolerances and clearances. Provide 1/4"= 1'-0" rough-in plan drawings for coordination with trades QUALITY ASSURANCE A. Single source responsibility: Laboratory furniture system, casework, work surfaces, laboratory equipment, chemical fume hoods and accessories shall be furnished and installed by a single laboratory furniture and equipment contractor. B. Manufacturer's qualifications: Modern plant with proper tools, dies, fixtures and skilled workmen to produce high quality laboratory casework and equipment, and shall meet the following minimum requirements: 1. Five years or more experience in manufacturing of laboratory casework and equipment. 2. American Made Furniture wholly manufactured and assembled in USA. C. Laboratory furniture systems and systems components must be UL 962 submitted, approved and listed. Products must bear the UL Mark and shall be identified to those products that were evaluated by UL and found to comply with UL s requirements REFERENCE STANDARDS A. SEFA (Scientific Equipment and Furniture Association) standards apply to all casework, work surfaces, and fixtures. 1. SEFA 1.2 Laboratory Fume Hoods 2. SEFA 2.3 Installation of Scientific Laboratory Furniture and Equipment. 3. SEFA 3 Work Surfaces 4. SEFA 7 Laboratory and Hospital Fixtures 5. SEFA 8 Laboratory Casework 1.06 DELIVERY, STORAGE AND HANDLING A. Properly schedule and coordinate delivery of equipment so that installation of material is per the general contractor/owner s schedule. B. Protect finished surfaces from soiling or damage during handling and installation

3 1.07 PROJECT CONDITIONS A. Do not deliver or install equipment until the following conditions have been met: 1. Windows and doors are installed and the building is secure and weather tight and humidity levels are suitable for delivery of casework. 2. Overhead Ceiling Grid, overhead ductwork and lighting are installed. 3. All painting is completed and floor tile is installed. PART 2 PRODUCTS 2.01 MANUFACTURER A. American Made Casework wholly manufactured and assembled in the USA by: Jamestown Metal Products Division of Institutional Casework, Inc., 178 Blackstone Avenue, Jamestown, New York, B. Design, materials, construction and finish of casework specified is the minimum acceptable standard of quality for adaptable laboratory furniture WORK SURFACE FRAMES AND TABLES A. Minimum requirements for work surface frames: 1. Work surface support frame: 2 outside diameter wall and 1.73 inner telescoping leg 11 gauge tubing cold rolled and/or type 304, #4 stainless steel tubing wall ASTM A513 type 1, HRP&O Flash Scarfed tubing. Levelers are ½-13 UNC thread x 2 ½ Long. [Specifier s Option] a. Finish: Chemical resistant urethane powder paint. b. Or, #4 on type 304 stainless steel. 2. Work surface support frame [Specifier s Option]: a. 2 outside diameter wall and 1.73 inner telescoping leg 11 gauge tubing cold rolled. b. ASTM A554 type 304 stainless polished to #4 finish or 180 grit. Levelers are ½-13 UNC thread x 2 ½ Long. B. Work Surface Table Frame: 1. Nominal table frame dimensions: a. Width: 42, 48", 60", 72", 84, 96" b. Depth (Single - Tube): 24, 30", 33, 36 measured from front and rear edges of countertop. ( B dimension = 21, 27, 30, 33 as measured from front of tube to front of countertop.) c. Depth (Single Shared): 24, 30, 33, 36 measured from front and rear edges of countertop. ( B dimension = 18, 24, 27, 30 as measured from front of Shared Upright to front of countertop.) d. Depth (Double - Shared): 48, 60, 66, 72 measured from front edges of both countertops placed back to back. ( B dimension = 21, 27, 30, 33 as measured from front of

4 Shared Upright to front of countertop.) e. Adjustable Height: 30, 32, 34, 36, 37 nominal AFF including 1 inch thick countertop. 2. Work surface table frame shall be able to detach from the rear frame and form a four-legged adjustable height table with the addition of rear leg supports. 3. Front upright member is 2 outside diameter, 11 ga. 122 wall tubing with telescoping 11 gauge inner leg. The upright is capable of vertical adjustment in two-inch increments (30 to 36 AFF) with an additional 1 increment for 37 AFF. 3. Front corners of work surface frames 11 ga. 2 OD tube.122 wall, 25 7/8 long welded to frame. Rear corners are 11 gauge formed parts. 4. [Specifier s Option]: A back stop bumper/cord tray shall be located under the work surface frame to position the 22 (or 22 7/8 if specified) deep mobile base cabinet 1 behind the front edge of the work surface. Wire management feature shall be incorporated into back stop design. 5. Table Frame load rating: 100 lb. per linear foot of work surface width up to a maximum of 800 lb. With 800 lb. uniformly distributed load applied to an 8 work surface, the maximum allowable deflection shall be.125 measure at the center of the front rail. C. Four-Legged, Height - Adjustable Table 1. Nominal table frame dimensions: a. Width: 42, 48, 60", 72, "84, 96" b. Depth: 24, 30", 33, 36 c. Adjustable Height: 30, 32, 34, 36, 37 nominal AFF including 1 inch top. 2. Table leg member and front upright member are 2 outside diameter 11 gauge wall tubing with telescoping 11 gauge inner leg. 3. Work surface frames 11 gauge formed steel CENTER OR BACK SUPPORT STRUCTURES A. General requirements for center or back support structures: 1. Vertical uprights shall allow for plumbing, electrical and data cabling 2. Single frame uprights shall be 11 ga. steel 2 x 6 structural support. Gas piping and high/low voltage cabling shall be separated in opposite and separate vertical members. 3. Shared rear frame upright shall be 11 ga. cold-rolled steel formed to a 2 x 6 structural support with a full-height removal side cover. Gas piping shall be in the opposite and separate vertical upright from cabling. Cabled vertical upright shall have two channels to separate low voltage from high voltage cabling. 4. Levelers are 1/2 13 UNC thread x 2 ½ Long. (1 leveler per single frame upright, 2 levelers per double sided frame upright). 5. Single and shared rear frames (60, 72, 84, and 96 ) shall have a center support to accommodate split shelving

5 6. Uprights have slots punched on 1 increments starting at nominal 56 above the floor to the top of the upright. 7. Upper and lower horizontal cross rails shall be 11 gauge steel for single (tube) frames, and 14 gauge for shared frames. 8. Lower structural cross rail for the single frame shall house an integral two-channel raceway. Structural cross rails for the shared frames shall incorporate an enclose raceway with removable bottom cover for electrical wiring and 20 amp duplex outlets. 9. Raceways for single frames to have 2-20 amp specification grade duplexes on 3.5 and 4 units, 4 20 amp specification grade duplexes on 5, 6, 7 and 8 wide units and an optional 20 amp duplex located in the vertical upright under the work surface. 10. Raceways for shared frames to have 2 per side - 20 amp specification grade duplexes on the horizontal raceway on 42, 48 wide frames and 4 per side on 60, 72, 84, and One or Two separate (separate circuits) shall be located in the side vertical upright under the work surface. 12. Single frame assemblies have cabled vertical upright shall have one CAT 3 phone and one CAT 6 data cable connecting to two separate 2- port receptacle frame. 2-port receptacle frame shall house separate ANSI/TIA/EIA 568-B data and voice compliant female component. Shared frame assemblies do not include data cables. B. Rear Support: 1. Nominal dimensions: a. Width: 42, 48", 60", 72", 84, 96". b. Height: 84". C. Wall Support - General requirements for wall frame support structures: 1. Same general requirements as the rear frame in materials and construction. 2. Mount the existing rear frame directly to the wall structure by mechanically fastening the top horizontal support rail. D. Wall Support: 1. Nominal dimensions: a. Width: 42, 48", 60", 72", 84, 96" b. Height: 84" 2.04 PLUMBING / FIXTURES A. General requirements: 1. The upright frame structure is capable of housing a maximum of three plumbing services. 2. Needle Valves chromed brass straight pattern instrumentation needle with serrated hose end. 3. Plumbing lines Single (tube) frame (1/4 OD wall) copper tubing with quick disconnect attached to the tube with compression fittings at the top of the upright. Each half of the quick disconnect (coupler and nipple) are valved. 4. Plumbing lines Shared frame (3/8 OD wall) copper tubing with quick

6 disconnect bulkhead fittings attached to the top of the shared upright. 5. The plumbing lines with the quick disconnects are to be arranged so services cannot be intermixed. 6. All service valves and quick connects shall be media keyed and color coded. Keyed media connects cannot be accidentally be switched. 7. All burning gases tubing (1/4 and 3/8 ) shall be specified as type 316 stainless steel tubing SERVICE FIXTURE CONNECTIONS A. General requirements: 1. All services (plumbing, power, phone and data) terminate at the top of the plumbing and upright support. 2. Power services will have a 20 amp cord plug extending 4 above the top of the upright. Plug end to be twist lock on single frame and shared frame. 3. Phone CAT 3 line [Specifier s Option] will have a male plug-in extending 4 above the upright. (Connections to the facility to be provided by others). 4. Data CAT 6 line [Specifier s Option] will have a male plug-in extending 4 above the upright. (Connections to the facility to be provided by others) CEILING PANEL SYSTEM 1. General requirements Ceiling panels shall integrate within most standard-duty T-grid acoustical suspended ceiling systems. Custom sizes and configurations available as designed. 2. Ceiling panel shall provide a means to mount and connect electrical outlets, data outlets, and quick connect service fixtures. 3. Ceiling panels shall accommodate single sided and back-to-back bench configurations. 4. Ceiling panels will ship with junction boxes factory attached. Electrical outlets, data outlets, cover plates and service fixtures shall be ordered separately and field installed. 5. Ceiling panel shall be minimum 16-gauge cold rolled steel with a urethane powder coat finish. 6. Nominal Dimensions: a. Widths as shown on the drawings. b. Height (including junction boxes) 3 7. Ceiling panel shall be equipped with quick disconnect fitting for service tube ends. Each keyed disconnect shall include nipple and coupler with color-keyed band marking media. 8. Service lines: polyurethane and/or for non-burning gases and braided stainless steel for burning gases will attach to quick-connects and/or tube-to-tube unions from the ceiling utility panel and the rear frame disconnects. Check local codes for the supply of burning gases to the lab benches

7 2.07 SHELVES A. General requirements for shelves: 1. All shelves supports shall be available in type 304 stainless steel (#4 finish) or epoxy powder coated cold rolled steel. 2. Shelf platforms shall be available in phenolic resin, or [Specifier s Option] epoxy power coated cold rolled steel. 3. Middle and lower shelves shall overhang 3 behind the face of the vertical tubular support. Upper shelves shall overhang 1 behind the face of the vertical tubular support to allow installation flush with the upper horizontal rail. 4. Shelf brackets: 11 gauge stainless steel or cold rolled epoxy powder coated steel. 5. Vertical shelf adjustment: one-inch increments. 6. All shelves shall be prepped to receive a rear shelf retainer lip, front retainer lip, or an aluminum retaining rod. All available options may be removed or repositions with the use of simple hand tools. 7. Shelves can be mounted to wall frames, wall standards or rear frames. 8. Shelf load rating: 150 lb. evenly distributed load. Applies to shelves supplied by the manufacturer only. B. Outer Shelf: 1. Nominal dimensions: a. Widths: 42 = / 48 = / 60 =28.75 / 72 =34.75 / 84 =40.75 / 96 =46.75 b. Depth: 12 inch, 15 inch, and 18 inch. 2. Shelf brackets shall rise above the shelf surface to provide sides. C. Shelf Types (Specifier s Option): 1. Phenolic resin shelf with steel (stainless or cold rolled) frame: a. Phenolic Material to be 1 Thick. b. Material manufactured by Trespa, (Top Lab Plus). 2. Steel shelf with steel (stainless or cold rolled) frame: a. Steel shelf finished dimension to be 1 Thick. b. Steel shelf material to be 18 gauge steel. D. Shelf Retainer Options (Specifier s Option): 1. All shelves shall have a removable/reversible rear 1 high 18 gauge painted steel lip which can act as a stop, or be removed to provide a flush surface when units are back-to-back; Rear lip to have ½ hemmed edge at top. 2. All shelves shall have a removable front 1 high 18 gauge painted steel lip. Front lip to have ½ hemmed edge at top. 3. All shelves shall have a diameter aluminum front retaining rod. Aluminum rods shall be 1.25 above the shelf, and bend down at ends to mount to shelf bracket

8 2.08 WORK SURFACES A. General requirements for shelves: 1. All work surface table frame supports and support hardware shall be available in type 304 stainless steel (#4 finish) or powder coated cold rolled steel. 2. Work surfaces shall be available in, phenolic resin or epoxy resin. 3. Work surfaces shall be corner notched to the tube profile and hang 3 behind the face of the vertical tubular support. 4. Load capacity: the work surface load rates are dependent of the work surface table frame and performance ratings (2.02). B. Work surfaces: (Specifier Option): 1. Nominal dimensions: a. Widths: 42, 48, 60, 72, 84, 96 b. Depth: 24, 30, 33, 36 C. Work surface Types - Material Options (Specifier Option): 1. Phenolic Resin (Trespa Top Lab Plus) 1 thick 1. Epoxy resin 1 thick MOBILE and /or SUSPENDED BASE CABINETS A. Design requirements, performance requirements, materials, fabrication and hardware shall comply in all respects with fixed wood and/or steel casework specifications as manufactured and cataloged. B. Cabinets with casters shall be constructed without toe spaces. The cabinet shall be constructed with a reinforced base capable of supporting a 4 high caster assembly in each corner. Casters shall be swivel locking type and rated for minimum 75 pounds load each. Cabinets with casters shall be completely finished on four sides and top since surfaces are considered visible. C. The entire cabinet assembly shall be reinforced to permit mobility without twisting and achieve an industry standard height of 28 or 32, not including the flush 1 counter top if so equipped. D. Base cabinets shall, except as noted, incorporate an inset flush door and drawer or flush overlay design in which the cabinet body is completely concealed. E. Cabinets with casters shall have incorporated into the base of the unit, additional counterweight in order to prevent tipping of unit. F. Units with drawers must be equipped with an anti-tipping hardware that shall include an interlock so that only one drawer in a vertical stack can be opened at one time

9 2.10 METAL FINISHES A. Preparation: Metal shall be treated with a heated alkaline based acid solution, rinsed with water, and a coat of epoxy-link applied; immediately dried in heated ovens, then gradually cool prior to application of finish. B. Application: Electrostatically apply epoxy powder coat of selected color and bake in controlled high temperature oven to assure a smooth, hard satin finish. Surfaces shall have a chemical resistant, high grade laboratory furniture quality finish of the following thicknesses: 1. Exterior and interior surfaces exposed to view: mils. 2. Backs of cabinets and other surfaces not exposed to view: 1.8 mils minimum. C. Chemical Spot Test : 1. Test procedure: Place test panel on a flat surface, clean with soap and water and blot dry. Condition the test panel for 48 hours at 73 F ± 3 F and 50% ± 5% relative humidity. Panel will be subjected to chemical reagents according to SEFA 8 M-2010 Recommended Practice using one of the following two test methods: a. Method A Test volatile chemicals by placing a cotton ball saturated with reagent in the mouth of a 1-oz. bottle and inverting the bottle on the surface of the panel. b. Method B Test non-volatile chemicals by placing five drops of the reagent on the surface of the panel and covering with a 24 mm watch glass, convex side down. c. For both test methods, leave the reagents on the panel for a period of one hour. Wash off the panel with water, clean with detergent and naptha, and rinse with deionized water. Dry with a towel and evaluate after 24 hours at 73 F ± 3 F and 50% ± 5% relative humidity using the following rating system. 2. Evaluation ratings: a. Level 0 No detectable change. b. Level 1 Slight change in color or gloss. c. Level 2 Slight surface etching or severe staining. d. Level 3 Pitting, cratering, swelling, or erosion of coating. Obvious and significant deterioration. 3. Acceptance level: No more than four (4) level 3 conditions 4. Test results: Two (2) level 3 conditions exist. See data below. REAGENT METHOD RATING Acetate, Amyl A 0 Acetate, Ethyl A 0 Acetic Acid, 98% B 1 Acetone A 0 Acid Dichromate, 5% B 0 Alcohol, Butyl A 0 Alcohol, Ethyl A 0 Alcohol, Methyl A

10 Ammonium Hydroxide, 28% B 0 Benzene A 0 Carbon Tetrachloride A 0 Chloroform A 0 Chromic Acid, 60% B 2 Cresol A 1 Dichlor Acetic Acid A 2 Dimethylformanide A 1 Dioxane A 1 Ethyl Ether A 0 Formaldehyde, 37% A 0 Formic Acid, 90% B 3 Furfural A 2 Gasoline A 0 Hydrochloric Acid, 37% B 0 Hydrofluoric Acid, 48% B 1 Hydrogen Peroxide, 28% B 0 Iodine, Tincture of B 2 Methyl Ethyl Ketone A 1 Methylene Chloride A 1 Mono Chlorobenzene A 0 Naphthalene A 0 Nitric Acid, 20% B 1 Nitric Acid, 30% B 1 Nitric Acid, 70% B 3 Phenol, 90% A 0 Phosphoric Acid, 85% B 0 Silver Nitrate, Saturated B 1 Sodium Hydroxide, 10% B 0 Sodium Hydroxide, 20% B 0 Sodium Hydroxide, 40% B 0 Sodium Hydroxide, Flake B 0 Sodium Sulfide, Saturated B 0 Sulfuric Acid, 25% B 0 Sulfuric Acid, 77% B 0 Sulfuric Acid, 96% B 0 Sulfuric Acid (77%) B 2 & Nitric Acid (70%), (equal parts) Toluene A 0 Trichloroethylene A 0 Xylene A 0 Zinc Chloride, Saturated B 0 D. Hot Water Test 1. Test procedure: Hot water (100 C±3%) shall be allowed to trickle (with a steady stream and at a rate of not less than 6 ounces [177.44cc] per minute) on a finished surface, which shall be set at an angle of 45- degrees, for a period of five minutes

11 2. Acceptance level: After cooling and wiping dry, the finish shall show no visible effects from the hot water. 3. Test results: The finish shows no visible effect due to the hot water. E. Finish Impact Test: 1. Test procedure: Position the 18 GA CRS test panel with nominal paint thickness of 3 mils on a smooth concrete floor. A one-pound ball (approximately 2 in diameter) shall be dropped from a distance of 12 onto a flat horizontal surface. 2. Acceptance level: There shall be no visual evidence to the naked eye of cracks or checks in the finish due to impact. 3. Test results: There is no visual evidence of any cracks or checks due to impact. F. Paint Adhesion on Steel: 1. Test procedure: This test is based on ASTM D Standard Test Methods for Measuring Adhesion by Tape Test 1 Test Method B. Two sets of six parallel lines 2mm apart shall be cut with a razor blade to intersect at right angles thus forming a grid of 25 squares. The cuts shall be made just deep enough to go through the coating, but not into the substrate. Brush the grid area lightly with a soft brush, and then place a piece of tape over the grid. Rub the tape firmly with the eraser of a pencil to ensure good contact. Remove the tape by rapidly pulling it back upon itself as close to an angle of 180 as possible. 2. Acceptance level: A 4B rating or better (ninety-five percent or more of the grid area shall show finish intact. 3. Test results: 100% of the squares remained intact after the test. G. Paint Hardness on Steel: 1. Test procedure: This test is based on ASTM D Standard Test Method for Film Hardness by Pencil Test. Clip a corner of the sample at 45 exposing a raw metal edge. Place the sample on a raw metal base plate so that the exposed metal edge of the sample makes contact with the turned up side of the base plate. Remove approximately 6mm of wood from a 4H pencil, being careful to leave an undisturbed smooth cylinder of lead. Holding the pencil at an angle of 90 to an abrasive paper, rub the lead against the paper maintaining an exact angle of 90 section until a flat smooth and circular cross section is obtained. On the other end of the pencil remove approximately 13mm of wood from on half of the pencil. Install the pencil into a Sheen model 720N Pencil Scratch Hardness Tester. Follow the manufacturer s instructions for conducting the test. 2. Acceptance level: The paint finish shall withstand the abrasion of a 4H pencil without penetrating through to the substrate and completing a continuous circuit. 3. Test results: The 4H pencil did not penetrate the substrate during the test. Note: manufacturer shall provide independent certified test report on resistance of finish if requested. chemical

12 PART 3 - EXECUTION 3.01 INSTALLATION A. Furniture system installation: 1. Install system in strict accordance with manufacturer's instructions. 2. Set system components level on two planes with no distortion. Securely anchor to building structure using concealed shims where necessary in wall mount ADJUSTING A. Repair or remove and replace defective work, as directed by [Architect] [Owner] upon completion of installation CLEANING A. Clean shop finished laboratory furniture system surfaces and touch up as required PROTECTION OF FINISHED WORK A. Provide all necessary protective measures to prevent exposure of laboratory furniture system and attached components from exposure to other construction activity. B. Advise contractor of procedures and precautions for protection of the installed laboratory furniture system and related components from damage by work of other trades. END OF SECTION