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Specifications for Standard Casework
As manufactured by
Mastercraft Woodworking Co., Inc.
These specifications contain certain optional selections, which must be made by the specification developer. These selections are identified with an asterisk [*].
1.00 GENERAL
1.01 SCOPE OF WORK
A. Provide all casework and accessory items as specified herein. Refer to the project
plans for specific details and requirements.
B. General Conditions: The General Conditions, Supplementary General Conditions,
Special Conditions and General Requirements apply to all work in this Division. Refer
to other Sections, Divisions, and Schedules for work connected to this Section.
1.02 Related Work Specified Elsewhere
A. General millwork and custom cabinetry unless specified herein or so noted on the
project plans.
B. Rubber, vinyl or other material for finishing cabinet toe kicks.
C. Locks Masterkeyed to room doors and other special locks.
D. Blocking within walls.
E. Sinks, plumbing fixtures, electrical and mechanical equipment of all types, and the related installation and service connections thereof.
1.03 Submittals
A. Submit in accordance with the General, Supplementary, and Special Conditions of the
Specifications.
B. Submit Shop Drawings for approval showing materials, dimensions, details, and sink
locations.
C. Submit samples of colors and hardware cuts as requested by the architect/owner.
1.04 Qualifications
A. Drawings and specifications are based upon casework as manufactured by Mastercraft
Woodworking Co., Inc., 681 Mohrsville Road, Shoemakersville, PA. 19555.
B. Casework of other recognized institutional casework manufacturers may be considered
for approval provided a written request is received within ten (10) days prior to the
opening of bids. Casework must conform to design, quality of materials, design intent,
workmanship, and exact performance function of casework components and details
specified and implied by manufacturer's reference, and as shown on plans.
C. Manufacturers requesting approval shall submit evidence of at least 5 years experience
in the manufacturing of institutional casework for similar projects. Manufacturers shall
also show evidence of financial stability, adequate plant capacity to meet schedules,
and complete design capability in the form of a comprehensive product catalog and
specifications. Sample cabinets, catalogs, and specifications shall be submitted with
the written request as well as a list detailing those areas in which their product deviates
from this specification. Samples may be retained by the architect until completion of
the project for verification of compliance with these specifications.
D. The opinion and decision of the architect/owner shall be final in the evaluation of the
manufacturer's request for permission to bid the project.
2.00 Products
2.01 Materials
A. Laminated Plastics/Finishes:
1. High pressure decorative plastic laminate (HPL) and vertical grade (.032) for exterior
cabinet surfaces shall meet NEMA standards for vertical grade. HPL for countertops
shall be general purpose grade (.050).
2. Color Selections Available:
a. Full range of solid colors, patterns, and woodgrains from Formica, WilsonArt,
Pionite, and Nevamar.
b. Allow for up to ten (10) different colors per project.
c. Woodgrain selections will run grain vertically on cabinet doors, sides, and
finished backs and horizontally on drawer fronts, aprons, and top rails.
d. Select only one (1) color per cabinet.
3. Plastic laminate balancing sheet for countertops shall be heavy gauge phenolic
paper type, brown in color.
4. Thermally-fused Saturated Melamine Component Panel (MCP)
a. Thermoset acid resistant melamine impregnated paper permanently bonded to
particleboard substrate.
b. Color to be white both faces.
c. Applicable standards:
Federal standards.................................FSL-P508H
ASTM..................................................FSL-P508H
USFDA................................................D-1300-53T
ANSI/NEMA......................................…...LD3-1991
B. Substrate (Core) Material:
1. Particleboard Substrate shall be of 47 lb. Density and balanced construction with
moisture content not to exceed 8%. Three-ply construction shall exceed the
requirements for its type and classification under Commercial Standard CS-236-66,
Federal Specifications LLL-B-800A, and ASTM D 1037-78.
2. Medium Density Fiberboard shall conform to ANSI A208.2 and shall meet the
following minimum standards:
Screw holding, face: 355 lbs.
Screw holding, edge: 300 lbs.
Modulus of rupture: 4,500 psi.
Modulus of elasticity: 500,000 psi.
Internal bonds: 100 psi.
C. Hardboard: shall meet or exceed Commercial Standard CS-251 and Federal
Specification LLL-B-00810; board shall be 1/4" thick, tempered, and smooth both
faces.
D. Edging:
1. Solid, high impact, homogeneous color polyvinyl chloride (PVC), applied by high
speed edgebander with hot melt adhesive and automatically trimmed all edges for
consistent, uniform appearance.
*SELECT ONE
2. Selfedge design for cabinet body edges in almond, black, or gray PVC.
2. Selfedge design for cabinet body edges in PVC, color to match HPL of exposed
cabinet surfaces. Use matching HPL if PVC unavailable.
*SELECT ONE
3. Selfedge design for cabinet doors/drawer fronts in almond, Black, or gray PVC
3. Selfedge design for cabinet doors/drawer fronts in PVC, color to match exposed
HPL of cabinet doors/drawer fronts. Use matching HPL if PVC unavailable.
3. Selfedge design in 3-mm thick PVC; solid, high impact, homogeneous color; applied
by high speed edgebander with hot melt adhesive and automatically trimmed all
edges. Additionally, all edges, including vertical corner edge, receive uniform radius
equal to thickness of the edging. Color as selected from manufacturer's standard
choices. Minimum of 30 selections.
3. Continuous, extruded, homogeneous color polyethylene T-edging with barbed leg
pneumatically driven into machined groove on door and drawer front edges; door and
drawer front corners receive radii to allow tight wrapping of edging with single piece
of T-edging. Color selections of edging are almond, black, or gray.
E. Hardware:
1. Hinges:
*SELECT ONE
a. Heavy duty, 5-knuckle institutional hinge; mill ground, hospital tip; fixed pin with
all edges eased. Steel is .095" thick; full wrap around design with minimum of
nine screw attachment holes. One pair per door to 48" height, one and one half
pairs over 48" height. Hinge to accommodate 3/4" thick door and allow 270
degree swing opening. Finish to be epoxy powder coat, minimum of 12 colors,
or plated finish in dull chrome, brass, or antique brass.
a. Fully concealed, heavy gauge metal hinge featuring 170 degree swing opening;
full 6-way adjustment; demountable for ease of door removal from separate base
plates. Hinge to be self-latching to eliminate need for separate catch.
2. Pulls:
*SELECT ONE
a. Wire type on 4" centers. Finish to be epoxy powder coat, minimum of 12 colors,
or plated finish in dull chrome, brass, or antique brass.
a. Semi-recessed [mortised] ABS plastic in almond, black, or gray finish.
3. Drawer Slides:
a. Standard Drawers: white color, epoxy coated, wrap around type with positive in-
stop, out-stop, and stay-open features. Minimum 100 lb. Dynamic load rating.
b. File Drawers: white color, epoxy coated, wrap around full extension type with
three member design. Minimum 100 lb. Dynamic load rating.
c. Heavy Duty Drawers: Alfit 4000 series, 250-lb. Load rating. To be utilized in all
paper storage drawers and all drawers designated as heavy duty.
4. Catches: magnetic type with dual dowel attachment and adjustable in-out magnet.
Provide two catches at each tall cabinet door. Catch not required with concealed
hinges.
5. Adjustable Shelf Rest: high-strength plastic rest with anti-tip feature and dual
projecting dowels for insertion into drilled holes on cabinet sides. Color to be clear.
6. Wardrobe Rod: chrome plated oval heavy-duty steel tube; supported with chrome
plated steel flanges, fully captured type.
7. Coat Hooks: aluminum wall or undershelf types, in single or double hook styles as
required by cabinet design.
8. Molded Tote Trays: high impact polyethylene with card holders, color tan; supported
by ribbed polyethylene side rails on 1" centers, color tan.
9. Locks: disc tumbler with removable core, available keyed alike and Masterkeyed;
chrome finish; from National Lock. [Remove-A-Core Series]
10. Wheel Casters: swivel casters for mobile cabinets are plate type with ball bearing
swivel plate; 5" wheel diameter; minimum 135 lb. Load rating per caster.
11. Removable file holder extrusion for Pentaflex files to be provided on all file drawer
sides; color black.
F. Detailed Construction Requirements
1. Toekick:
*SELECT ONE
a. Base and tall cabinet sides shall extend to floor and be notched to form an
integral toekick space. A ¾” x ¾” exterior grade plywood strip shall be applied
to the bottom edge of each side. The toekick board shall be made of
exterior grade plywood and shall extend to the floor to complete the three-sided
footprint that forms the bearing surface of the cabinet.
a. Base and tall cabinets shall rest on and be secured to a separate and
continuous water resistant exterior grade plywood base structure. The ladder-
type construction shall allow for securing to and leveling with floor.
2. Cabinet Tops and Bottoms:
a. Tall and base cabinet tops and bottoms shall be MCP (see 2.01.A.5), white in
color, and 3/4" in thickness.
b. Wall cabinet and library stack tops and bottoms shall MCP, white in color, and
1" in thickness.
c. Solid subtops shall be furnished on all base cabinets except sink base units.
*SELECT ONE
d. Exterior exposed wall cabinet bottoms shall be white MCP.
d. Exterior exposed wall cabinet bottoms shall be laminated with HPL, color to
match HPL of exposed vertical cabinet surfaces.
3. Cabinet Sides:
a. Wall, tall, and base cabinet sides shall be MCP, white in color, and 3/4" in
thickness.
b. Library stack sides shall be MCP, white in color, and 1" in thickness.
c. Exposed faces of cabinet sides shall be laminated with high pressure laminate.
*SELECT ONE
d. Exposed cabinet body edges receive selfedge design in almond, black, or gray
PVC.
d. Exposed cabinet body edges receive selfedge design in HPL or PVC, color to
match HPL of exposed cabinet surface.
4. Fixed and Adjustable Shelves:
a. Cabinet shelves (fixed and adjustable) shall be MCP, white in color, and 1” in
thickness regardless of span. All open (no doors) cabinets shall receive 1" thick
shelves regardless of span.
b. Library stack shelves shall be MCP, 1" in thickness.
c. Front leading edge shall be edged with PVC, white in color.
d. Instrument storage shelves shall be 1” thick, consisting of black WilsonArt Tuf-
Surf high pressure laminate on upper face and white HPL on underside to
balance. Front leading edge shall receive out black Tuffedge PVC extrusion,
attached without mechanical fasteners.
5. Cabinet Backs:
a. Standard cabinet backs shall be 1/4" thick particleboard, white in color, for all
cabinets including open units without doors. Rear, unexposed face of back shall
receive a continuous bead of hot melt adhesive at intersection of back with
sides and hang rails.
b. Hang rails shall be 3/4" in thickness and doweled into cabinet sides. Base, wall,
and tall cabinets shall receive rails at top and bottom and tall cabinets shall
receive an additional center rail.
c. Exposed exterior backs shall be 3/4" thick MCP laminated with high pressure
laminate on the exposed face.
6. Door and Drawer Fronts:
a. Door and drawer fronts shall be fabricated from an 11/16" particleboard core
laminated on both faces with high pressure laminate. Exposed face color as
selected and semi-exposed face white in color. Doors and drawer fronts shall
overlay the cabinet body and establish a 1/8" reveal between pairs of doors,
doors and drawer fronts, and multiple drawer fronts on the same cabinet.
*SELECT ONE
b. Selfedge design for cabinet doors/drawer fronts in almond, black or gray PVC.
b. Selfedge design for cabinet doors/drawer fronts in PVC, color to match HPL of
exposed cabinet surfaces. Use matching HPL if PVC unavailable.
b. Selfedge design in 3 mm thick PVC; solid, high impact, homogeneous color;
applied by high speed edgebander with hot melt adhesive and automatically
trimmed all edges. Additionally, all edges, including vertical corner edge,
receive uniform radius equal to thickness of the edging. Color as selected from
manufacturer's standard choices. Minimum of 30 selections.
b. Continuous, extruded, homogeneous color polyethylene T-edging with barbed
leg pneumatically driven into machined groove on door and drawer front edges;
door and drawer front corners receive radii to allow tight wrapping of edging with
single piece of T-edging. Color selections of edging are almond, black, or gray.
c. Framed glass doors shall be 3/4 " thick, laminated both sides with high
pressure laminate. Glass shall be clear acrylic and shall be retained in
openings with removable glazing. Doors shall be available for both sliding and
hinged designs.
d. Frameless glass doors for sliding designs shall be 1/4" thick safety glass with
seamed edges and machined finger pulls.
7. Drawers
a. Drawer fronts shall be applied to the front component of a separate drawer box.
b. Sides, front, and back of drawer box shall be 5/8" thick MDF with melamine
overlay, white in color. Drawer box shall be joined with wood dowels. Drawer
box edges shall be edged with white PVC.
c. Drawer bottom shall be 1/4" thick and shall be housed [dadoed] into front,
back, and sides. A continuous hot melt glue bead shall be run around
perimeter on drawer underside. Stiffeners shall be applied at a minimum of 9"
on center.
d. Heavy duty drawer boxes shall utilize 3/4" MDF for sides, front, and back. MDF
to be laminated with white vertical grade HPL; edges shall be edged with white
PVC. Drawer bottom shall be 1/2" plywood laminated with white HPL and shall
be fastened to drawer box so as to accommodated Alfit 4000 Series slides.
e. Paper drawers shall be fitted with a hood at the rear.
f. Drawers shall be fitted with slides as per Section 2.01.E.3c.
8. Vertical and Horizontal Dividers
a. As dictated by design, 1/4" dividers shall be tempered hardboard, smooth both
faces, eased on leading edge, and shall be secured in cabinet with clear
molded plastic clips.
b. As dictated by design, 3/4" dividers shall be white MCP, faced two sides, and
shall be secured in cabinet with either clear plastic clips or wood dowels.
Leading edge shall be edged with white PVC.
9. Cabinet Body Rails
a. Rails shall be 3/4" x 6" x full width white MCP horizontal members behind all
door/drawer and multi-drawer reveals so as to close off all reveals. Color of
leading edge shall match color of cabinet body edge.
b. Rails shall be dowelled into cabinet body sides.
G. Countertops
1. Countertops shall be 1 1/4" thick solid particleboard core with general purpose HPL
bonded to top surface and heavy gauge phenonlic balancing sheet bonded to
underside. Exposed edges shall be HPL to match top surface HPL. Splashes shall
be butted against edge of countertop, sealed with continuous bead of caulking
applied to countertop edge so as to produce a squeeze-out of caulking, and then
screwed from concealed side into countertop deck edge. Splashes shall have heavy
gauge phenolic balancing sheet on concealed side.
2. Factory applied tops on mobile cabinets and other specialty cabinets shall be 3/4"
thick particleboard with general purpose HPL bonded to top surface and heavy
gauge phenolic balancing sheet bonded to underside. Exposed edges shall be
edged to match top surface HPL.
H. General Construction
1. All cabinet doors, drawer fronts, and exposed sides shall be particleboard core
laminated with vertical grade HPL.
2. Wall cabinet bottoms shall be finished per Section F.2.d.
3. Interior surfaces of open cabinets (no doors) such as shelving units, lockers, vertical
divider units, and library stacks shall be:
*SELECT ONE
a. White MCP. Interior surfaces shall include those on tops, bottoms, sides, fixed
partitions, shelves and backs.
a. Vertical grade HPL to match exposed surfaces. Interior surfaces shall include
those on tops, bottoms, sides, fixed partitions, shelves and backs.
4. Interior surfaces of cabinets with solid or framed glass doors shall be:
*SELECT ONE
a. White MCP. Interior surfaces shall include those on tops, bottoms, sides, fixed
partitions, shelves and backs.
a. Vertical grade HPL to match exposed surfaces. Interior surfaces shall include
those on tops, bottoms, sides, fixed partitions, shelves and backs.
5. Concealed cabinet sides shall be white MCP. No raw particleboard shall be
permitted.
6. All cabinet parts shall be accurately machined for quality joints utilizing automatic
machinery.
7. Cabinet sides shall be bored to receive dowels for mating with cabinet tops and
bottoms. 1/4" back panel shall be housed into cabinet sides, top, and bottom.
8. 3/4" thick hang rails shall be doweled into cabinet sides.
9. Rear of cabinet back shall receive a continuous bead of hotmelt adhesive to
increase overall cabinet integrity and form a moisture and vermin seal.
10. Sink cabinets shall have removable backs to facilitate installation around plumbing
rough-ins.
I. Mobile Cabinets
1. All mobile cabinets shall be designed with a separate angular steel frame base
with casters welded at the four corners. The cabinet shall sit upon and be attached
to this base so that the base acts as a dolly for moving the cabinet.
2. Tall mobile cabinets (66" high) shall have a steel framing system attached to the
steel base so as to prevent racking of the cabinet and provide stability when fully
loaded.
3. Tall mobile cabinets (66" high) shall have top surface laminated with HPL. All other
mobile cabinets shall receive a factory applied top as per Section G.2.
4. All mobile cabinets shall be laminated with HPL on all faces including front, sides,
and back.
2.02 Casework Sizing
A. General-use wall, base, and tall cabinets shall be available in width, height and depth
increments of 1/16" so as to maximize the utilization of available space and
accommodate special equipment requirements.
B. Fillers and scribes at wall terminations shall be no greater in width than 1" unless field
conditions necessitate the use of larger sizes.
3.00 Execution
3.01 Coordination
A. Coordinate work of this section with related work of other Sections as necessary to
obtain proper installation of all items.
B. Verify site dimensions of cabinet locations at jobsite prior to fabrication.
3.02 Installation
A. Storage and Protection: protect casework in transit. Store at jobsite in ventilated area
not exposed to extreme temperature and humidity changes. Do not store or install
casework in building until all wet work is complete.
B. Installers: install all casework using experienced installers as authorized by the
manufacturer.
C. Installation Workmanship
1. Erect casework straight, level, and plumb. Scribe and closely fit to adjacent work,
cutting and fitting around all obstructions.
2. Install all items complete and adjust all moving parts to operate freely.
3. Leave all exposed surfaces clean and free of defects at time of final acceptance.
D. Guarantee: All materials shall be guaranteed for a period of 2 years from defects in
material and manufacturing workmanship.
E. Site Cleanup: remove all debris associated with casework installation including
cartons, packing, scraps, sawdust, and packaging materials.
©Mastercraft Woodworking Co., Inc. All Rights Reserved.