36C25218B0230-00002007.pdf

Clement J. Zablocki VA Medical Center

Milwaukee, Wisconsin 53295 Replace (3) Boilers Building 112 Bancroft Architects + Engineers

05-01-15

SECTION 12 31 00

MANUFACTURED METAL CASEWORK

PART 1 - GENERAL

1.1 DESCRIPTION:

A. This section specifies metal casework, VA standard cabinets and related accessories, including base cabinets, wall cabinets , and full height cabinets.

1.2 RELATED WORK

A. Color of casework finish: Section 09 06 00, SCHEDUL E OF FINISHES

1.3 QUALITY ASSURANCE:

A. Approval by Contracting Officer Representative (COR ) is required of manufacturer and installer based upon certification of qualifications specified.

B. Manufacturer’s Qualifications:

1. Manufacturer is regularly engaged in design and man ufacture of metal of scope and type similar to requirements of this p roject for a period of not less than five (5) years.

2. Manufacturer has successfully completed at least th ree (3) projects of scope and type similar to requirements of this p roject.

3. Submit manufacturer’s qualifications and list of pr ojects.

C. Installer Qualifications:

1. Installer has completed at least three (3) projects in least five (5) years in which these products were install ed.

2. Submit installer qualifications.

1.4 SUBMITTALS:

A. Submit in accordance with Section 01 33 23, SHOP DR AWINGS, PRODUCT

DATA, AND SAMPLES.

B. Certificates:

1. Manufacturer's Certificate of qualifications specif ied.

2. Certificate of installer’s qualifications specified .

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C. Manufacturer's Literature and Data:

1. Brochures showing name and address of manufacturer, and catalog or model number of each item incorporated into the wor k.

2. Manufacturer's illustration and detailed descriptio n.

3. List of deviations from contract specifications.

4. Locks, each kind.

D. Shop Drawings (1/2 Full Scale):

1. Showing details of casework construction, including kinds of materials and finish, hardware, accessories and rel ation to finish of adjacent construction, including specially fabri cated items or components.

2. Fastenings and method of installation.

3. Location of service connections and access.

E. Samples:

1. Metal plate, 6 inch square, showing chemical resist ant finish, in each color.

F. Manufacturer’s warranty.

1.5 WARRANTY:

A. Construction Warranty: Comply with FAR clause 52.24 6-21 “Warranty of

Construction”.

B. Manufacturer Warranty: Manufacturer shall warranty their wood casework for a minimum of five (5) years from date of instal lation and final acceptance by the Government. Submit manufacturer w arranty.

1.6 APPLICABLE PUBLICATIONS:

A. Publications listed below form a part of this speci fication to extent referenced. Publications are referenced in the text by basic designation only.

B. American Society for Testing and Materials (ASTM):

A36/A36M-14.............Carbon Structural Steel

A240/A240M-14...........Chromium and Chromium-Nicke l Stainless Steel

Plate, Sheet, and Strip for Pressure Vessels and for General Applications

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A283/A283M-13...........Low and Intermediate Tensil e Strength Carbon

Steel Plates

A568/A568M-14...........Steel, Sheet, Carbon and Hi gh-Strength, Low-

Alloy Hot-Rolled and Cold-Rolled, General

Requirements

A794/A794M-12...........Standard Specification for Commercial Steel

(CS), Sheet, Carbon (0.16% Maximum to 0.25%

Maximum) Cold Rolled

B456-11.................Electrodeposited Coatings o f Copper Plus Nickel

Plus Chromium and Nickel Plus Chromium C1036-

11(R2012).........Flat Glass

C1036-12e1..............Heat-Strengthened and Fully Tempered Flat Glass

C1172-14................Laminated Architectural Fla t Glass

C. American National Standard Institute:

Z97.1-09(R2010).........Safety Glazing Material use d In Buildings

D. Builders Hardware Manufacturers Association (BHMA):

A156.1-13...............Butts and Hinges

A156.9-10...............Cabinet Hardware

A156.5-14...............Auxiliary Locks and Associa ted Products

A156.11-14..............Cabinet Locks

A156.16-13..............Auxiliary Hardware

E. American Welding Society (AWS):

D1.1/D1.1M-10...........Structural Welding Code Ste el D1.3/D1.3M-

05(R2008)....Structural Welding Code Sheet Steel

F. National Association of Architectural Metal Manufac turers (NAAMM):

AMP 500 Series..........Metal Finishes Manual

G. U.S. Department of Commerce, Product Standard (PS):

PS 1-09.................Construction and Industrial Plywood

H. Underwriters Laboratories Inc. (UL):

325-06(R2013)...........Door, Drapery, Gate, Louver , and Window

Operators and Systems 437-

08(R2013)...........Key Locks

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I. Federal Specifications (Fed. Spec.):

A-A-55615...............Shield, Expansion; Nail Exp ansion (Wood Screw and Lag Bolt Self-Threading Anchors)

J. Scientific Equipment and Furniture Association (SEF A):

2.3-10..................Installation of Scientific Laboratory Furniture and Equipment

PART 2 - PRODUCTS

2.1 MATERIALS:

A. Sheet Steel:

1. ASTM A794/A794M, cold rolled, Class 1 finish, stret cher leveled.

2. Other types of cold rolled steel meeting requiremen ts of

ASTM A568/A568M are acceptable for concealed parts.

B. Structural Steel: ASTM A283/A283M or ASTM A36/A36M.

C. Fasteners:

1. Exposed to View: Chrome plated steel or stainless s teel, or finished to match adjacent surface.

2. Provide round head or countersunk fasteners where e xposed in cabinets.

3. Expansion Bolts: Fed Spec. A-A-55615. Do not provid e lead or plastic shields.

4. Nuts: Fed Spec FF-N-836. Type III, Style 15 where e xposed.

5. Sex Bolts: Capable of supporting twice the load.

2.2 MANUFACTURED PRODUCTS:

A. When two (2) or more units are required, use produc ts of one (1) manufacturer.

B. Manufacturer of casework assemblies is to assume co mplete responsibility for the final assembled unit.

C. Provide products of a single manufacturer for parts which are alike.

2.3 CASEWORK FABRICATION:

A. General:

1. Welding: Comply with AWS Standards D1.1/D1.1M and D 1.3/D1.3M.

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2. Reinforce with angles, channels, and gussets to sup port intended loads, notch tightly, fit and weld joints.

3. Constructed of sheet steel, except where reinforcin g required.

B. Minimum Steel Thickness:

0.035 inch (20 gage)

Drawer fronts, backs, bodies, closure plates or scribe and filler strips less than 3 inches wide, sloping top, shelf reinforcement channel and shelves. Toe space or casework soffits and ceilings under sloping tops.

0.047 inch (18 gage)

Base pedestals, casework top sides, back, and botto m panels, closure scribe and filler strips 3 inches o r more. Reinforcement for drawers with locks. Tables legs, spreaders and stretchers, when fabricated of cold rolled tubing. Metal for desks; except legs an d aprons. Door exterior and interior panels, flush or glazed. Cross rails of base units. Front bottom rails, back bottom rails; rails may be 0.059 inch (16 gage) thick. Uprights or posts. Top corner gussets.

0.059 inch (16 gage)

Aprons, apron division, reinforcing gussets, table legs, desk legs and aprons, spreaders and stretcher s when formed without welding. Toe base gussets, drawer slides, and other metal work. Front top rail s and back rails except top back rails may be 0.047 inch (18 gage) thick.

0.074 inch (14 gage)

Drawer runners door tracks.

0.104 inch (12 gage)

Base unit bottom corner gussets and leg sockets.

0.12 inch (11 gage)

Reinforcement for hinge reinforcement inside doors and cabinets.

C. Casework Construction:

1. Welded assembly.

2. Fabricate with enclosed uprights or posts full heig ht or width at front. Include sides, backs, bottoms, soffits, ceil ings under sloping tops, headers and rail, assembled to form a n integral unit.

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

4. Make bottom of walls units flush, double panel cons truction.

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

6. Provide enclosed backs and bottoms in cabinets, inc luding drawer units.

7. Provide finish panel on exposed cabinet backs.

8. Do not install screws and bolts in construction or assembly of casework, except to secure hardware, applied door s tops, accessories, removable panels, and where casework i s required to be fastened, end to end or back to back.

9. Fabricate casework, except benches, and desks with finished end panels.

10. Close flush exposed soffits of wall hung shelving, knee spaces in counters, and toe spaces at bases.

11. In base units with sinks provide one (1) piece, low ered backs.

12. In base units with doors provide removable backs.

13. Provide reinforcing for hardware.

14. Size Dimensions:

a. Use dimensions shown on construction documents or w ithin tolerances specified.

b. Tolerance

Depth Nominal Dim inch

Plus

Tolerance inch

Minus

Tolerance inch

Depth 12 25 0

Width - - 0 25

Wall

Hung

Cabinet

Height - - 25 25

Counter Height - - 25 25

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Mounted

Cabinet

Floor

Standing

Cabinet

Height - - 25 0

1) Full height cabinets shown on construction document s are to be the same height back to back.

2) Manufacturer's Tolerance for the same Length, Depth or Height of Cabinet: Not to exceed 0.0625 inches.

D. Base Pedestals:

1. Provide adjustable leveling bolts accessible throug h stainless steel plugs, or notch in the base concealed when resilien t base is applied.

2. Except where flush metal base is shown on construct ion documents, provide toe space at front recessed 3 inches.

E. Doors:

1. Hollow metal type, flush and glazed doors not less than 5/8 inch thick.

2. Fabricate flush metal doors of two (2) panels forme d into pans with corners welded and ground smooth. Provide flush doo rs with a sound deadening core.

3. Fabricate glazed metal doors with reinforced frame and construct either from one (1) piece of steel, or have separat e stiles and rails mitered and welded at corners, and welds grou nd smooth.

a. Secure removable glazing members with screws to bac k of doors.

b. Install glass in rubber or plastic glazing channels .

4. Provide sheet steel hinge reinforcement inside door s.

5. Sliding doors: Provide stops to prevent bypass.

6. Doors removable without use of tools except where e quipped with locks.

F. Drawers:

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1. Drawer fronts to be flush hollow metal type not les s than 5/8 inch thick with sound deadening core. Fabricate of two ( 2) panels formed into pans. Weld and grind smooth corners of drawer fronts.

2. Form bodies from one (1) piece of steel, weld to dr awer front.

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

4. Equip with roller suspension guides.

2.4 ACCESSORIES (NOT USED)

2.5 HARDWARE:

A. Factory installed.

B. Exposed hardware, except as specified otherwise, sa tin finished chromium plated brass or nickel plated brass or ano dized aluminum.

C. Cabinet Hardware: ANSI BHMA A156.9.

1. Door/Drawer Pulls: B02011.

a. One (1) for drawers up to 23 inches wide.

b. Two (2) for drawers over 23 inches wide.

c. Provide drawer and door pulls of a design that can be operated with a force of 5 pounds or less, with one (1) hand and not require tight grasping, pinching or twisting of the wrist.

2. Drawer Slides:

a. Provide B05051 for drawers over 6 inches deep.

b. Provide B05052 for drawers 3 to 6 inches deep.

c. Provide B05053 for drawers less than 3 inches deep.

3. Butt Hinges:

a. B01351, minimum 0.072 inch thick chrome plated stee l leaves.

b. Minimum 0.139 inch diameter stainless steel pins.

c. Full mortise type, five (5) knuckle design with 2 1 /2 inch high leaves and hospital type tips.

d. Two (2) hinges per door except use three (3) hinges on doors

48 inches and more in height. Use stainless steel l eaves for tilting bin doors.

e. Do not weld hinges to doors or cabinets.

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4. Door silencers: LO3011 or LO3031.

a. Install two (2) rubber bumpers each door.

b. Silencers set near top and bottom of jamb.

2.6 METAL FINISHES:

A. Comply with NAAMM AMP 500 series and as specified.

B. Steel Cabinets including Closures and Filler Strips :

1. Acid resisting finish except hardware and stainless steel.

2. After fabrication of cabinet submerge in a degreasi ng bath, and thoroughly rinse to remove dirt and grease, and oth er foreign matter.

3. Apply non-metallic phosphate coating, then finish w ith baked-on acid resisting enamel not less than 0.001 inch thick.

4. Finish resistant to action of the following reagent s when 10 drops are applied to the surface and left open to the atm osphere for period of one (1) hour.

Hydrochloric Acid 37 percent Ethyl Alcohol

Phosphoric Acid 75 percent Methylethyl Keytone

Sulfuric Acid 25 percent Acetone

Glacial Acetic Acid Ethyl Acetate

Sodium Hydroxide 10 percent Ethyl Ether

Sodium Hydroxide (concentrated) Carbon Tetrachlorid e

Hydrogen Peroxide 5 percent Xylene

Formaldehyde 37 percent Phenol 85 Percent

5. Color of finish is specified in Section 09 06 00, S CHEDULE FOR

FINISHES.

2.7 VA standard cabinets (NOT USED)

2.8 PRODUCTS OF OTHER COMPONENTS DIRECTLY RELATED TO CASEWORK (NOT USED)

PART 3 - EXECUTION

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3.1 COORDINATION:

A. Begin only after work of other trades is complete, including wall and floor finish completed, ceilings installed, light f ixtures and diffusers installed and connected, and area free of trash and debris.

B. Verify location and size of mechanical and electric al services as required and perform cutting of components of work installed by other trades.

C. Verify reinforcement of walls and partitions for su pport and anchorage of casework.

D. Coordinate with other Divisions and Sections of the specification for work related to installation of casework systems to avoid interference and completion of service connections.

3.2 INSTALLATION:

A. Install casework in accordance with manufacturer’s written instructions.

1. Install in available space; arranged for safe and c onvenient operation and maintenance.

2. Align cabinets for flush joints except where shown otherwise on construction documents.

3. Install with bottom of wall cabinets in alignment a nd tops of base cabinets aligned level, plumb, true, and straight t o a tolerance of

1/8 inch in 96 inches.

4. Install corner cabinets with hinges on corner side with filler or spacers sufficient to allow opening of drawers.

B. Support Rails:

1. Install true to horizontal at heights shown on cons truction documents; maximum tolerance for uneven floors is p lus or minus 1/2 inch.

2. Shim as necessary to accommodate variations in wall surface not exceeding 3/16 inch at fastener.

C. Wall Strips:

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1. Install true to vertical and spaced as shown on con struction documents.

2. Align slots to assure that hanging units will be le vel.

D. Plug Buttons:

1. Install plug buttons in predrilled or prepunched pe rforations not used.

2. Use chromium plate plug buttons or buttons finish t o match adjacent surfaces.

E. Seal junctures of casework systems with mildew-resi stant silicone sealants.

3.3. CLOSURES AND FILLER PLATES:

A. Close openings larger than 1/4 inch wide between ca binets and adjacent walls with flat, steel closure strips, scribed to r equired contours, or machined formed steel fillers with returns, and sec ured with sheet metal screws to tubular or channel members of units , or bolts where exposed on inside.

B. Secure filler plates to casework top members, unles s shown otherwise on construction documents.

C. Secure filler plates more than 6 inches in width to p edge to a continuous 1 x 1 inch 1/16 inch thick steel formed steel angle with screws.

D. Finish closure strips and fillers with same finishe s as cabinets.

3.4 FASTENINGS AND ANCHORAGE:

A. Do not anchor to wood ground strips.

B. Provide hat shape metal spacers where fasteners spa n gaps or spaces.

C. Use 1/4 inch diameter toggle or expansion bolts, or other appropriate size and type fastening device for securing casewor k to walls or floor.

Use expansion bolts shields having holding power be yond tensile and shear strength of bolt and breaking strength of bol t head.

D. Use 1/4 inch diameter hex bolts for securing cabine ts together.

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

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

G. Space fastening devices 12 inches on center with mi nimum of three (3) fasteners in 3 or 4 foot unit width.

H. Anchor floor mounted cabinets with a minimum of fou r (4) bolts through corner gussets. Anchor bolts may be combined with o r separate from leveling device.

I. Secure cabinets in alignment with hex bolts or othe r internal fastener devices removable from interior of cabinets without special tools. Do not use fastener devices which require removal of t ops for access.

J. Where units abut end to end, anchor together at top and bottom of sides at front and back. Where units are back to back, an chor backs together at corners with hex bolts placed inconspicuously in side casework.

K. Where type, size, or spacing of fastenings is not s hown or specified on construction documents, show on shop drawings propo sed fastenings and method of installation.

3.5 ADJUSTMENTS:

A. Adjust equipment to insure proper alignment and ope ration.

B. Replace or repair damaged or improperly operating m aterials, components or equipment.

3.6 CLEANING:

A. Immediately following installation, clean each item , removing finger marks, soil and foreign matter resulting from work of this section.

B. Remove from job site trash, debris and packing mate rials resulting from work of this section.

C. Leave installed areas clean of dust and debris resu lting from work of this section.

3.7 INSTRUCTIONS:

A. Provide operational and cleaning manuals and verbal instructions in accordance with Article INSTRUCTIONS, SECTION 01 00 00, GENERAL

REQUIREMENTS.

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