A0002 SPEC 12 31 00.pdf

SECTION 12 31 00

MANUFACTURED METAL CASEWORK

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PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

AMERICAN WELDING SOCIETY (AWS)

AWS D1.1/D1.1M (2015; Errata 1 2015; Errata 2 2016) Structural Welding Code - Steel

AWS D1.3/D1.3M (2018) Structural Welding Code - Sheet Steel

ASTM INTERNATIONAL (ASTM)

ASTM A1008/A1008M (2016) Standard Specification for Steel, Sheet, Cold-Rolled, Carbon, Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability, Solution Hardened, and Bake Hardenable

ASTM A167 (2011) Standard Specification for Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip

ASTM A325 (2014) Standard Specification for Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength

ASTM A325M (2014) Standard Specification for Structural Bolts, Steel, Heat Treated, 830 MPa Minimum Tensile Strength (Metric)

ASTM C1036 (2010; E 2012) Standard Specification for Flat Glass

ASTM D4689 (2012) Standard Specification for Adhesive, Casein-Type

ASTM D4690 (2012) Standard Specification for Urea Formaldehyde Resin Adhesives

ASTM F594 (2009; E 2011) Standard Specification for Stainless Steel Nuts

ASTM F836M (2002; R 2010) Standard Specification for Style 1 Stainless Steel Metric Nuts

BUILDERS HARDWARE MANUFACTURERS ASSOCIATION (BHMA)

ANSI/BHMA A156.11 (2010) Cabinet Locks

ANSI/BHMA A156.5 (2014) Auxiliary Locks and Associated Products

ANSI/BHMA A156.9 (2015) Cabinet Hardware

INTERNATIONAL CODE COUNCIL (ICC)

ICC IPC (2012) International Plumbing Code

KITCHEN CABINET MANUFACTURERS ASSOCIATION (KCMA)

KCMA A161.1 (2000) Performance & Construction Standards for Kitchen and Vanity Cabinets

NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)

ANSI/NEMA LD 3 (2005) Standard for High-Pressure Decorative Laminates

NEMA LD 3.1 (1995) Performance, Application, Fabrication, and Installation of High-Pressure Decorative Laminates

SCIENTIFIC EQUIPMENT AND FURNITURE ASSOCIATION (SEFA)

SEFA 7 (1996) Recommended Practice for Laboratory and Hospital Fixtures

U.S. GENERAL SERVICES ADMINISTRATION (GSA)

FS FF-B-588 (Rev E; Notice 1) Bolt, Toggle: and Expansion Sleeve, Screw

FS FF-S-325 (Basic; Int Amd 3; Notices 3, 4) Shield, Expansion; Nail, Expansion; and Nail, Drive Screw (Devices, Anchoring, Masonry)

FS TT-C-490 (Rev F; Am 1) Cleaning Methods for Ferrous Surfaces and Pretreatments for Organic Coatings

FS TT-E-489 (Rev J; Notice 2) Enamel, Alkyd, Glass, Low VOC Content

FS TT-E-491 (Rev C; Notice 1) Enamel; Gloss, Synthetic (for Metal and Wood Furniture)

FS TT-F-336 (Rev E; Notice 1) Filler, Wood, Paste

FS WW-P-541 (Rev E; Am 1; Notice 1) Plumbing Fixtures

1.2 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for Contractor Quality Control approval. Submittals with an "S" are for inclusion in the Sustainability Notebook, in conformance to Section 01 33 29 SUSTAINABILITY REPORTING.

Submit the following in accordance with Section 01 33 00 SUBMITTAL

PROCEDURES:

SD-02 Shop Drawings

Fabrication Drawings; G Installation Drawings; G

SD-03 Product Data

Cabinets; G Adhesives; G Accessories and Hardware; G

SD-04 Samples

Accessories and Hardware; G

SD-07 Certificates

Corrosion-Resistant Steel; G Adhesives; G

SD-08 Manufacturer's Instructions

Manufacturer's Instructions; G

1.3 DELIVERY, STORAGE, AND HANDLING

Deliver, store, and handle metal casework in a manner that prevents damage or disfigurement.

PART 2 PRODUCTS

2.1 SYSTEM DESCRIPTION

2.1.1 Design Requirements

Provide stainless steel metal casework, factory-fabricated and finished in the manufacturer's standard sizes and finishes of the type, design, and configuration indicated. Construct casework as specified and meet the requirements of KCMA A161.1. Provide base cabinet assemblies consisting of individual units joined into continuous sections. Accomplish fastenings to permit removal and replacement of individual units without affecting the remainder of the installation. Provide removable doors equipped with position stops to avoid accidental complete withdrawals. Fix or adjust shelves as indicated.

2.2 MATERIALS

Provide corrosion-resistant steel conforming to ASTM A1008/A1008M, and ASTM A167, Type 304 Finish 4.

Provide accessories and hardware conforming to the following requirements, as applicable:

Extension drawer slides: ANSI/BHMA A156.9, Type B85071

Full surface hinges: ANSI/BHMA A156.9, Type B81131, 1-1/2 inches

Bar type pulls: ANSI/BHMA A156.9, 4-inch overall length, Type B12012

Catches: Magnetic, 5-pound pull

Provide Fasteners conforming to the following:

Screws: stainless steel

Anchoring Devices: FS FF-S-325, Group, Type, and Class as applicable

Toggle bolts: FS FF-B-588, Type I, Class A, Style 2

Nuts: ASTM F594, corrosion-resistant steel

Bolts: ASTM A325, heavy, hexagon head bolts corrosion-resistant steel

Nuts: ASTM F836M, corrosion-resistant steel

Bolts: ASTM A325M, heavy, hexagon head bolts corrosion-resistant steel

2.3 STAINLESS STEEL CABINET FABRICATION

2.3.1 General

Provide base cabinets fabricated from type 304 stainless steel, except for backs of cabinets and backs of doors provide 18-gauge stainless steel.

Construct cabinets with no raw edges or exposed flanges, with welds being flush and ground smooth on all exposed surfaces. Provide concealed fasteners at all exposed exterior surfaces. Provide doors and drawer fronts with panelized double-wall construction, not less than 1/2-inch thick, with a sound-absorbing material adhered between the walls. Equip doors and drawers with rubber or plastic silencers and bumpers. Provide drawers with removable fronts, mounted on metal guides and equipped with position stops for complete drawer withdrawal. Provide fixed shelving as indicated.

2.3.2 Workmanship

Align end panels, top rails, bottoms and vertical posts at intersections in same plane, without overlap. Grind exposed welds flush and smooth.

Welding is to conform to AWS D1.1/D1.1M and AWS D1.3/D1.3M.

Additional casework construction requirements:

a. Welded assembly.

b. Fabricate with enclosed uprights or posts full height or width at front, include sides, backs, bottoms, soffits, ceilings under sloping tops, headers and rail, assembled to form an integral unit.

c. Form sides to make rabbeted stile 3/4 to 1-1/8 inch wide, closed by channel containing shelf adjustment slots.

d. Make bottom of wall units flush, double panel construction.

e. Make top and cross rails of "U" shaped channel.

f. Enclose all backs and bottoms in cabinets, including drawer units.

g. Provide finish panel on exposed cabinet backs.

h. Do not use screws and bolts in construction or assembly of casework, except to secure hardware, applied door stops, accessories, removable panels and where casework is required to fastened end to end or back to back.

i. Fabricate casework with finished end panels.

j. In base units with doors provide removable backs.

k. Provide reinforcing for hardware.

l. Size Dimensions:

(1) Used dimensions shown or specified within tolerances specified.

(2) Tolerance:

(a) Depth: 13-inches in lieu of 12 -inches, 18 inches in lieu of 16 -inches, except wall hung units above counter 21 inches to 24 inches in lieu of 22-inches.

(b) Width: Minus one inch.

(c) Height: 1-inch plus or minus for wall hung cabinets and counter mounted cabinets, excluding sloping tops. 1-inch plus for floor standing cabinets,excluding base and sloping tops. Full height cabinets shown back to back same height.

(d) Manufacturer's tolerance for the length, depth or height: Not to exceed 0.0625-inches

2.3.3 Cabinets

Provide cabinets with stainless steel fronts, backs, sides, tops, and bottoms.

Form sides with rabbeted stiles 1-1/8-inches wide, closed by welded channel containing embossed louvers spaced 1-1/2-incheson center, for adjustable shelves.

Provide cabinets that have a steel channel-shaped top rail, 18-gauge steel cross rails, and Z-shaped rear rail to engage 16-gauge steel hanging bracket.

At base cabinets, provide 1-1/2-inch long leveling screws for adjusting to floor variations that are accessible through plugged openings in bottom;

install 14-gauge gussets to support the screws.

2.3.4 Doors

Provide doors that are double-pan construction with 5/8-inch thick telescoped inner pan into outer pan with exposed vertical edge formed into channel shape having returned lip over inner pan and offset to receive lip.

Coat panels with 1/8-inch thick asphaltic sound deadener.

Fasten reinforcement for hardware attachment to inner pan and conceal.

Fit hinged doors with pairs of hinges, knob pulls, locks, and bumpers.

2.3.5 Drawers

Provide drawer fronts that are double-pan construction with 5/8-inch thick telescoped inner pan into outer pan with exposed vertical edge formed into channel shape having return lip over inner pan and offset to receive lip.

Weld drawer bodies to front through flanges on sides and bottom, and to back through flanges at rear.

Extend flanges outward or downward, top of side, and backrolled.

Cove corners to 1/2-inch radius.

Provide drawer accessories including slides, bar pulls, lock and stop devices.

Additional considerations for drawers:

a. Drawer fronts flush hollow metal type not less than 5/8-inch thick with sound deadening core. Fabricate of two panels formed into pans. Weld and grind smooth corners of drawer fronts.

b. Form bodies from one piece of steel, weld to drawer front.

c. Provide reinforcement for locks and provide rubber bumpers at both sides of drawer head to cushion closing.

d. Equip with roller suspension guides.

2.3.6 Shelves

Fabricate shelves from corrosion-resistant steel sheet with front and rear edges flanged down 3/4-inch and hemmed back at 30 degrees to underside of shelf.

Support shelves with 16-gauge shelf clips inserted in slots in front stile and in form channel in back.

Notch flanges at sides to match and engage with embossments on side panels.

Additional considerations for shelves:

a. Capable of supporting an evenly distributed minimum load of (twenty-five pounds per square foot) without visible distortion.

b. Flange shelves down 3/4-inch on edges, with front and bearing edges flanged back 1/2 inch.

c. For shelves over 42-inches in length and over 12 inches in depth install 1-1/2 x 1/2 x 0.0359 inch thick sheet steel hat channel reinforcement welded to underside midway between front and back and extending full length of shelf.

d. Weld shelves to metal back and ends unless shown adjustable.

e. Provide means of positive locking shelf in position, and to permit adjustment without use of tools.

f. On pharmacy on sloping shelf provide 1/2-inch wide clear acrylic plastic raised edge, 1/8-inch thick, secured to front edge of shelf.

2.3.7 Finish

#4 brushed finish on all exposed surfaces.

2.3.8 Welded Cabinets

Conform to KCMA A161.1, all welded construction.

2.4 ACCESSORIES AND HARDWARE

Provide corrosion resistant hardware. Provide exposed hardware with a chromium-plated finish or a corrosion-resistant finish as approved. Paint semi-concealed hinges on cabinets where paint finish is required to match the cabinets. Equip doors with magnetic-type catches. Provide door and drawer pulls as indicated.

2.5 LAUNDRY TABLES

Provide commercial grade, type 304 Stainless Steel table 30" x 108" as indicated on drawings. Work table shall have rolled edges and adjustable feet with all stainless stell construction and fasteners.

PART 3 EXECUTION

3.1 INSTALLATION

Install casework as described in manufacturers installation drawings in accordance with design intent.

a. Level base cabinets by adjusting leveling screws.

b. Secure cases permanently to floor and wall construction, where applicable.

c. Secure wall cases in position with screws to blocking, where applicable.

d. Bolt adjoining cases together.

e. Align doors, adjust hardware, and clean surfaces.

3.1.1 Coordination

e4ecedgg Polygon

Before installing casework, verify wall and floor surfaces covered by casework have been finished.

Verify location and size of mechanical and electrical services as required.

Verify reinforcement of walls and partitions for support and anchorage of casework.

3.1.2 Fastenings and Anchorage

Do not anchor to wood ground strips.

Provide hat shape metal spacers where fasteners span gaps or spaces 05-03M 12301-16.

Use 1/4-inch diameter toggle or expansion bolts, or other appropriate size and type fastening device for securing casework to walls or floor. Use expansion bolts shields having holding power beyond tensile and shear strength of bolt and breaking strength of bolt head.

Use 1/4-inch diameter hex bolts for securing cabinets together.

Use 1/4-inch by minimum 1-1/2-inch length lag bolt anchorage to wood blocking for concealed fasteners.

Use not less than No. 12 or 14 wood screws with not less than 1-1/2-inch penetration into wood blocking.

Space fastening devices 12-inches on center with minimum of three fasteners in 3 or 4-foot unit width.

Anchor floor mounted cabinets with a minimum of four bolts through corner gussets. Anchor bolts may be combined with or separate from leveling device.

Secure cabinets in alignment with hex bolts or other internal fastener devices removable from interior of cabinets without special tools. Do not use fastener devices which require removal of tops for access.

Where units abut end to end anchor together at top and bottom of sides at front and back. Where units are back to back anchor backs together at corners with hex bolts placed inconspicuously inside casework.

Where type, size, or spacing of fastenings is not shown or specified, show on shop drawings proposed fastenings and method of installation.

3.1.3 Closures and Filler Plates

Close openings larger than 1/4-inch wide between cabinets and adjacent walls with flat, steel closure strips, scribed to required contours, or machined formed steel fillers with returns, and secured with sheet metal screws to tubular or channel members of units, or bolts where exposed on inside.

Where ceilings interfere with installation of sloping tops, omit sloping tops and provide flat steel filler plates.

a. Secure filler plates to casework top members, unless shown otherwise.

b. Secure filler plates more than 6-inches in width top edge to a continuous one by one inch .035-inches thick steel formed steel angle with screws.

c. Anchor angle to ceiling with toggle bolts, 05-03M 12301-17

Install closure strips at exposed ends of pipe space and offset opening into concealed space. Paint closure strips and fillers with same finishes as cabinets. Caulk and seal laboratory furniture as specified in Section

07 92 00 JOINT SEALANTS

3.1.4 Cabinets

Install in available space; arranged for safe and convenient operation and maintenance. Align cabinets for flush joints except where shown otherwise.

Install cabinets level with bottom of wall cabinets in alignment and tops of base cabinets aligned. Install corner cabinets with hinges on corner side with filler or spacers sufficient to allow opening of drawers.

Plug Buttons:

a. Install plug buttons in predrilled or prepunched perforations not used.

b. Use chromium plate plug buttons or buttons finish to match adjacent surfaces.

Cabinets 6D: Ground to nearest cold water pipe in accordance with NFPA, Underwriters Laboratories, Inc., or other nationally recognized laboratory approved ground specified system.

Cabinets PH77:

a. Install undercounter unit, PH77U, on base to bring cabinet to same height as adjacent cabinets.

b. Install wall hung units, PH77N, as for wall cabinets, bolt together with security type bolts.

c. Install stacked units, PH77D, bolted together and to base with security type bolts.

3.2 CLEANING

Remove crating and packing materials from premises. Wipe down surfaces to remove fingerprints and markings and leave in clean condition.

3.3 FIELD QUALITY CONTROL

3.3.1 Inspection

Examine casework grounds and supports for adequate anchorage, foreign material, moisture, and unevenness that could prevent quality casework installation. Ensure that electrical and plumbing rough-ins for casework are complete. Do not proceed with installation until defects are corrected.

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