VA 12 36 00-2010 COUNTERTOPS.pdf

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1、05-10 12 36 00 - 1 SECTION 12 36 00 COUNTERTOPS SPEC WRITER NOTES: 1. Use this section for specifying casework countertops with integral accessories including sinks, fixtures and items mounted in countertop. 2. Detail countertops and use the designations listed without changes. Insert additional des

2、ignations for tops not listed. PART 1 - GENERAL 1.1 DESCRIPTION A. This section specifies casework countertops with integral accessories. B. Integral accessories include: 1. Sinks with traps and drains. 2. Eye and Face Wash Units. 3. Mechanical Service fixtures. 4. Electrical Receptacles. 5. Hot Pla

3、tes (Range) 6. Pegboards 1.2 RELATED WORK A. Color and patterns of plastic laminate: SECTION 09 06 00, SCHEDULE FOR FINISHES. B. DIVISION 22, PLUMBING. C. DIVISION 26, ELECTRICAL. D. Equipment Reference Manual for SECTION 12 36 00, COUNTERTOPS. 1.3 SUBMITTALS A. Submit in accordance with SECTION 01

4、33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES. B. Shop Drawings 1. Show dimensions of section and method of assembly. 2. Show details of construction at 1/2 scale. C. Samples: 1. 150 mm (6 inch) square samples each top. 2. Front edge, back splash, end splash and core with surface material and book

5、ing. 1.4 APPLICABLE PUBLICATIONS A. Publications listed below form a part of this specification to the extent referenced. Publications are referenced in the text by the basic designation only. B. American Hardboard Association (AHA): A135.4-95 Basic Hardboard Provided by IHSNot for ResaleNo reproduc

6、tion or networking permitted without license from IHS-,-,-05-10 12 36 00 - 2 C. Composite Panel Association (CPA): A208.1-09 Particleboard D. American Society of Mechanical Engineers (ASME): A112.18.1-05 . Plumbing Supply Fittings A112.1.2-04 Air Gaps in Plumbing System A112.19.3-08(R2004) Stainless

7、 Steel Plumbing Fixtures (Designed for Residential Use) E. American Society for Testing and Materials (ASTM): A167-99 (R2009) Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet and Strip A1008-09 . Steel, Sheet, Cold-Rolled, Carbon, Structural, High Strength, Low Alloy D256-06 Pendulum

8、Impact Resistance of Plastic D570-98(R2005) . Water Absorption of Plastics D638-08 Tensile Properties of Plastics D785-08 Rockwell Hardness of Plastics and Electrical Insulating Materials D790-07 Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials D4690-99

9、(2005) . Urea-Formaldehyde Resin Adhesives G21-96 (R2002) . Determining Resistance of Synthetic Polymeric Materials to Fungi F. Federal Specifications (FS): A-A-1936 . Adhesive, Contact, Neoprene Rubber G. U.S. Department of Commerce, Product Standards (PS): PS 1-95 Construction and Industrial Plywo

10、od H. National Electrical Manufacturers Association (NEMA): LD 3-05 High Pressure Decorative Laminates LD 3.1-95 Performance, Application, Fabrication, and Installation of High Pressure Decorative Laminates SPEC WRITE NOTE: Update materials requirements to agree with applicable requirements (types,

11、grades, classes,) specified in the referenced Applicable Publications. PART 2 - PRODUCTS 2.1 MATERIALS A. Plastic Laminate: NEMA LD 3. 1. Concealed backing sheet Type BKL. 2. Decorative surfaces: Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-05-10

12、12 36 00 - 3 a. Flat components: Type GP-HGL. b. Post forming: Type PF-HGP. 3. Chemical Resistant Surfaces a. Flat components: Type GP-HGL. b. Post forming: Type PF-HGP. c. Resistance to reagents: 1) Test with five 0.25 mil drops remaining on surface for 16 hours followed by washing off with tap wat

13、er, then cleaned with liquid soap and water, dried with soft cotton cloth and then cleaned with naphtha. 2) No change in color, surface texture, and original protectability remaining from test results of following reagents: 98% Acetic Acid Butyl Alcohol Acetone 90% Formic Acid- Benzine Chloroform 28

14、% Ammonium Hydroxide Xylene Carbon Tetrachloride Zinc Chloride (Sat.) Toluene Cresol Sodium Carbonate (Sat.) Gasoline Ether Calcium Hypochlorite (Sat.) Kerosene Cottonseed Oil Sodium Chloride (Sat.) Mineral Oil 40% Formaldehyde Methyl Alcohol Ethyl Acetate Trichlorethylene Ethyl Alcohol Amyl Acetate

15、 Monochlorobenzine 3) Superficial effects only: Slight color change, spot, or residue only with original protectability remaining from test results of following reagents: 77% Sulfuric Acid 37% Hydrochloric Acid 85% Phenol 33% Sulfuric Acid 20% Nitric Acid Furfural 85% Phosphoric Acid 30% Nitric Acid

16、 Dioxane 4) Minimum height of impact resistance: 300 mm (12 inches). B. Molded Resin: 1. Non-glare epoxy resin or furan resin compounded and cured for minimum physical properties specified: Flexural strength 70 MPa (10,000 psi) ASTM D790 Rockwell hardness 105 ASTM D785 Water absorption, 14 hours (we

17、ight) .01% ASTM D570 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-05-10 12 36 00 - 4 2. Material of uniform mixture throughout. C. Stainless Steel: ASTM A167, Type 304. D. Sheet Steel: ASTM A1008, cold rolled, Class 1 finish, stretcher leveled. E.

18、 Particleboard: CPA A208.1, Grade 2-M-2. F. Plywood: PS 1, Exterior type, veneer grade AC not less than five ply construction. G. Hardwood Countertop: Solid maple, clear grade except where other wise specified. H. Hardboard: ANSI/AHA A135.4, Type I, tempered, fire retardant treated, smooth surface o

19、ne side. I. Adhesive 1. For plastic laminate FS A-A-1936. 2. For wood products: ASTM D4690, unextended urea resin or unextended melamine resin, phenol resin, or resorcinol resin. 3. For Field Joints: a. Epoxy type, resistant to chemicals as specified for plastic laminate laboratory surfaces. b. Fung

20、i resistant: ASTM G-21, rating of 0. J. Fasteners: 1. Metals used for welding same metal as materials joined. 2. Use studs, bolts, spaces, threaded rods with nuts or screws suitable for materials being joined with metal splice plates, channels or other supporting shape. K. Solid Polymer Material: 1.

21、 Filled Methyl Methacrylic Polymer. 2. Performance properties required: Property Result Test Elongation 0.3% min. ASTM D638 Hardness 90 Rockwell M ASTM D785 Gloss (600 Gordon) 5-20 NEMA LD3.1 Color stability No change NEMA LD3 except 200 hour Abrasion resistance No loss of pattern Max wear depth 0.0

22、762 mm (0.003 in) - 10000 cycles NEMA LD3 Water absorption weight (5 max) 24 hours 0.9 ASTM D-570 Izod impact 14 Nm/m (0.25 ft-lb/in) ASTM D256 (Method A) Impact resistance No fracture NEMA LD-3 900 mm (36“) drop 1 kg (2 lb.) ball Provided by IHSNot for ResaleNo reproduction or networking permitted

23、without license from IHS-,-,-05-10 12 36 00 - 5 Property Result Test Boiling water surface resistance No visible change NEMA LD3 High temperature resistance Slight surface dulling NEMA LD3 3. Cast into sheet form and bowl form. 4. Color throughout with subtle veining through thickness. 5. Joint adhe

24、sive and sealer: Manufacturers silicone adhesive and sealant for joining methyl methacrylic polymer sheet. 6. Bio-based products will be preferred. L. Laminar Flow Control Device 1. Smooth bright stainless steel or satin finish, chrome plated metal laminar flow device shall provide non-aeration, cle

25、ar, coherent laminar flow that will not splash in basin. Device shall also have a flow control restrictor and have vandal resistant housing. 2. Flow Control Restrictor: a. Capable of restricting flow of 7.5 to 8.5 Lpm (2.0 to 2.2 gpm) for sinks provided in paragraph 2.2D. b. Compensates for pressure

26、 fluctuation maintaining flow rate specified above within 10 percent between 175 and 550 kPa (25 and 80 psi). c. Operates by expansion and contraction, eliminates mineral/sediment building up with self clearing action, and is capable of easy manual cleaning. 2.2 SINKS A. Molded Resin: 1. Cast or mol

27、ded in one piece with interior corners 25 mm (one inch) minimum radius. 2. Minimum thickness of sides and ends 13 mm (1/2 inch), bottom 16 mm (5/8 inch). 3. Molded resin outlet for drain and standpipe overflow. 4. Provide clamping collar permitting connection to 38 mm (1-1/2 inch) or 50 mm (2 inch)

28、waste outlet and trap, making sealed but not permanent connection. B. Stainless Steel: 1. ANSI/ASME A112.19.3, Type 304. 2. Self rim for plastic laminate or similar tops with concealed fasteners. 3. Flat rim for welded into stainless steel tops. Provided by IHSNot for ResaleNo reproduction or networ

29、king permitted without license from IHS-,-,-05-10 12 36 00 - 6 4. Ledge back or ledge sides with holes to receive required fixtures when mounted on countertop. 5. Apply fire resistant sound deadening material to underside. C. Stainless steel circular or oval shaped bowl. D. Sinks of Methyl Methacryl

30、ic Polymer: 1. Minimum 19 mm (3/4 inch) thick, cast into bowl shape with overflow to drain. 2. Provide for underhung installation to countertop. 3. Provide openings for drain. 2.3 TRAPS AND FITTINGS A. Material as specified in DIVISION 22, PLUMBING. B. For Molded Resin Sinks: 1. Chemical resisting P

31、-traps and fittings for chemical waste service. 2. Provide traps with cleanout plug easily removable without tools. C. For Stainless Steel Sinks: 1. Either cast or wrought brass or stainless steel P-traps and drain fittings; ASME A112.18.1 2. Flat strainer, except where cup strainer or overflow stan

32、dpipe specified. a. Provide cup strainer in cabinet type 1B. b. Provide stainless steel overflow stand pipe to within 38 mm (1-1/2 inches) of sink rim. 3. Exposed surface chromium plated finish. D. Plaster traps: 1. Cast iron body with porcelain enamel exterior finish. 2. 50 mm (2 inch) female threa

33、ded side inlet and outlet. 3. Removable galvanized cage having integral baffles and replaceable brass screens. 4. Removable gasketed cover. 5. Minimum overall dimensions: 350 x 350 x 400 mm high (14 x 14 x 16 inches) with 175 mm (7 inch) water seal. 6. Non-siphoning and easily accessible for cleanin

34、g. E. Air Gap Fittings: ASME A112.1.2. F. Methyl Methacrylic Polymer Sink Traps: 1. Cast or wrought brass with flat grid strainer, off-set tail piece, adjustable 38 x 32 mm (1-1/2 x 1 1/4-inch) P trap. 2. Chromium plated finish. 2.4 WATER FAUCETS A. ASME A112.18.1. 1. Cast or forged brass, compressi

35、on type with replaceable seat and stem assembly or replaceable cartridge. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-05-10 12 36 00 - 7 2. Indexed / four-arm / lever / handles either with or without head. 3. Gooseneck minimum clearance above cou

36、ntertop of 190 mm (7-1/2 inches), bent 180 degrees for vertical discharge. 4. Swing spouts elevated to clear handles. 5. Exposed brass surfaces chromium plated. 6. Cast combination hot and cold fixture with one piece body for multiple outlets. 7. Adapter type connection which will permit field conve

37、rsion of swing spouts to fixed or gooseneck grouts or vice versa. 8. Pedestals Top for Laboratory or Pharmacy: a. Modern design tapered to a round base, factory assembled and tested. b. Brass shanks, locknuts and washers for attaching to top or curbs. B. Laminar flow control device on spouts. C. Aut

38、omatic Controlled Faucets. 1. Infra-red photocell sensor and a solenoid valve to control water flow automatically. 2. Breaking light beam activates water flow. 3. Water stops when user moves away from light beam. C. Laboratory and Pharmacy Faucets: 1. Female 9 mm (3/8 inch) IPS threaded outlet for a

39、ttachment of filter pumps, hose connectors, anti-hose nozzle, or laminar flow control device on spout end. 2. Provide angle type vacuum breaker for fixture, designed for low flow, with built-in floating disk and renewable seat in vacuum breaker body. D. / Distilled / Deionized / Water Fixture: 1. De

40、ck mounted. 2. Gooseneck spout with handle arranged for self closing and with hold open feature to open and close an inert silicone diaphragm valve. 3. Faucet designed to be chemically insert and resistant to leaching of inorganic contaminates, enhancement of bacteria growth, and internal corrosion.

41、 E. Eye and Face Wash Unit Pull-Out-Type: 1. Deck mounted. 2. Designed for vandal resistant push-down control valve and 6 foot hose. 3. Eye and face wash head, provide a soft stream for flushing action. 4. Valve, when opened; remain open until manually closed. F. Eye and Face Bath, Counter Mounted:

42、Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-05-10 12 36 00 - 8 1. Stainless Steel circular or oval shaped self rimmed sink, as shown on drawings. 2. Two fully enclosed rubber bound spray heads to provide an aerated flow of water simultaneously in

43、to both eyes and across face. 3. Push-pull hand operated valve. 4. Volume regulator for each spray. G. Manifold, Tube-Washing: 1. Deck mounted 2. Three valved outlet, plus one bleeder outlet. 3. Vacuum breaker, and loose key stops with integral check valve. H. Vanity or Lavatory Faucets in Methyl Me

44、thacrylic Polymer tops: 1. Extra long center set single lever handle control. 2. Cast or wrought copper alloy, vandal resistant. 3. Stainless steel ball type with replaceable non-metallic seats, stainless steel lined sockets. 4. Handle always returning to the neutral position or cartridge body const

45、ruction. 5. Provide laminar flow control device. 2.5 FUEL GAS, LABORATORY AIR AND LABORATORY VACUUM FIXTURES A. Comply with criteria for faucets except as specified. B. Needle valves with stainless steel replaceable cone and valve seat. C. Provide valve with a bonnet with exterior packing and packin

46、g gland designed to permit valve to be repacked while under pressure. D. Valves withstand a minimum pressure of 700 kPa (100 psi) without leakage. E. Equip valves with four-arm handles and serrated hose ends. Do not provide laminar flow control device. F. Provide duplex fixtures except where otherwi

47、se shown. G. Factory assembled and tested. 2.6 FIXTURE IDENTIFICATION A. Code fixtures with full view plastic index buttons. B. Use following colors and codes: SERVICE COLOR CODE COLOR OF LETTERS Cold Water Dark Green CW White Hot Water Red HW White Laboratory Air Orange AIR Black Fuel Gas Dark Blue

48、 GAS White Laboratory Vacuum Yellow VAC Black Distilled Water White DW Black Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-05-10 12 36 00 - 9 SERVICE COLOR CODE COLOR OF LETTERS Deionized Water White DI Black Oxygen Light Green OXY White Hydrogen P

49、ink H Black Nitrogen Gray N Black All Other Gases Light Blue CHEM.SYM. Black 2.7 ELECTRICAL RECEPTACLES A. Hospital grade per electrical specifications. B. Curb Mounted Receptacles: 1. NEMA 5-20R duplex in galvanized steel box. 2. Chromium plated brass or steel face plate. C. Pedestal Mounted Receptacles: 1. NEMA 5-20R duplex installed in double faces. 2. Po