\*\*\*\*\* Paragraph Numbered Format \*\*\*\*\*
\*\*\*\*\*\*\* Copyright 1988, ARCOM \*\*\*\*\*\*\*
ARCHITECTURAL COMPUTER SERVICES, INC.

**November 21, 1997**

**Contract \# TW-0928**

**SPECIAL SPECIFICATION**

**SECTION 11601-S**

**[LABORATORY CASEWORK AND FURNISHINGS]{.underline}**

[Page]{.underline}

[PART 1 - GENERAL]{.underline}

1.01 Summary 3

1.02 Submittals 4

1.03 Quality Assurance 4

1.04 Delivery, Storage, and Handling 5

1.05 Project Conditions 5

1.06 Sequencing and Scheduling 5

1.07 Warranty 6

[PART 2 - PRODUCTS]{.underline}

2.01 Manufacturers 6

2.02 Casework Design 6

2.03 Materials 7

2.04 Casework Fabrication 10

2.05 Undercounter Ventilated Cabinets 18

2.06 Tall Ventilated Cabinets 18

2.07 Undercounter Flammable Storage Cabinets 19

2.08 Tall Flammable Storage Cabinets 19

2.09 Table Frames 20

2.10 T-Frame Tables 20

2.11 Metal Finish 21

2.12 Work Surfaces 22

2.13 Sinks 25

2.14 Laboratories 27

2.15 Emergency Shower and Eyewash Units 33

2.16 Shelving 35

2.17 Drying Racks 37

2.18 Umbilicals 37

2.19 Service Ledges 38

2.20 Gas Cylinder Restraints 38

2.21 Snorkels 39

2.22 Sleeves in Countertops 39

2.23 Overhead Service Carriers 39

2.24 Utility Drops 39

2.25 Source Quality Control Testing of Casework Metal Finish 40

2.26 Source Quality Control Testing of Epoxy Resin Work Surface 41

2.27 Source Quality Control Testing of Plastic Laminate Work Surface 42

2.28 Source Quality Control Testing of Impregnated Natural Stone Work
Surface 44

[PART 3 - EXECUTION]{.underline}

3.01 Installation 46

3.02 Adjusting 47

3.03 Cleaning and Protection 48

**SPECIAL SPECIFICATION**

**SECTION 11601-S**

**[LABORATORY CASEWORK AND FURNISHINGS]{.underline}**

THIS SECTION USES THE TERM \"ARCHITECT.\" CHANGE THIS TERM AS NECESSARY
TO MATCH THE ACTUAL TERM USED TO IDENTIFY DESIGN PROFESSIONAL AS DEFINED
IN THE GENERAL AND SUPPLEMENTARY CONDITIONS.

[PART Number range level0Number range level1Number range level2Number
range level3Number range level4Number range level5Number range
level6Number range level71 ‑ GENERAL]{.underline}

1.01 [SUMMARY]{.underline}

A. Section Includes:

1\. Metal laboratory casework

2\. Special cabinets

3\. Tables

4\. Work surfaces

5\. Sinks

6\. Service fittings

7\. Shelving

8\. Accessory equipment

B. Related Sections:

1\. Section 11605: C‑Frame Laboratory Furniture System.

2\. Section 11610: Laboratory Fume Hoods.

3\. Division 15: Furnishing and installation of plumbing utilities and
final connections to service fittings.

4\. Division 15: Furnishing and installation of exhaust ductwork and
equipment, and final connection to exhaust devices.

5\. Division 16: Furnishing and installation of electrical utilities and
final connections to casework and accessory equipment.

1.02 [SUBMITTALS]{.underline}

A. Product Data: Submit manufacturer\'s data for each item of laboratory
furnishings and equipment. Include component dimensions, configurations,
construction details, joint details, and attachments. Indicate location,
size, and service requirement for each utility connection.

B. Shop Drawings:

1\. Provide 3/4 inch = 1\'‑0\" scale elevations of individual and
battery of casework units showing cross sections, rough‑in and anchor
placements, tolerances, and clearances. Indicate relation of units to
fume hoods, other laboratory equipment, surrounding walls, windows,
doors, and other building components.

2\. Provide 1/4 inch = 1\'‑0\" rough‑in plan drawings for coordination
with trades. Rough‑in shall show free area.

3\. Provide 1 set of sepia reproducible prints and 1 set of
blueline prints.

C. Top Samples: Submit product sample of each type of benchtop.

D. Hardware Samples: Provide samples of door and drawer pulls, locks,
and hinges.

E. Finish Samples: Submit 3 inch by 5 inch samples of each color of
finish for casework, work surfaces and for other prefinished equipment
and accessories for selection by the Owner\'s Representative.

F. Test Reports: Submit test reports verifying conformance to specified
performance tests.

> G. Submit the above in accordance with 1300-S.

1.03 [QUALITY ASSURANCE]{.underline}

A. Single Source Responsibility: Casework, work surfaces, laboratory
furnishings, and accessories shall be furnished by a single laboratory
furniture company.

B. Manufacturer\'s Qualifications: Modern plant with proper tools, dies,
fixtures, and skilled production staff to produce high quality
laboratory casework and equipment, and shall meet the following
minimum requirements:

1\. Five years or more experience in manufacture of laboratory casework
and equipment of type specified.

2\. Ten installations of equal or larger size and requirements.

C. Installer\'s Qualifications: Factory trained and certified by
the manufacturer.

1.04 [DELIVERY, STORAGE, AND HANDLING]{.underline}

A. Delivery: Schedule delivery of casework and equipment so that spaces
are sufficiently complete that material can be installed immediately
following delivery.

B. Handling: Protect finished surfaces from soiling or damage during
handling and installation. Keep covered with polyethylene film or other
protective coating. Protect all work surfaces from damage throughout
construction period. Do not allow standing on work surfaces during the
construction period.

1.05 [PROJECT CONDITIONS]{.underline}

A. Do not deliver or install equipment until the following conditions
have been met:

1\. Building areas requiring the installation of laboratory casework
shall be dry and unexposed to adverse weather conditions which may
damage finished materials.

2\. The air conditioning or heating system shall be on and functioning
in areas of casework installation to maintain the temperature between 60
and 85 degrees Fahrenheit with the relative humidity between 45 and
65 percent.

1.06 [SEQUENCING AND SCHEDULING]{.underline}

A. All overhead mechanical, electrical and plumbing rough‑in work shall
be complete prior to laboratory casework deliveries.

B. All mechanical, electrical and plumbing rough‑in work required along
walls and service islands, where lab furnishings are to be installed, is
to be complete prior to delivery of materials.

C. Walls and partitions must be in place and finished with at least the
primer coat of paint. If finish painting is to take place after lab
casework and furnishings installation, protect the casework and
furnishings by covering and masking prior to commencement.

D. All necessary wood or metal blocking must be installed within
partitions prior to delivery of casework and furnishings.

E. Overhead soffits and ceiling grid must be in place prior to
casework installation.

F. Overhead lighting must be installed and connected prior to
casework installation.

G. All flooring required to be placed under lab casework and furnishings
must be installed prior to material delivery.

H. Concrete floors must be level within 1/8 inch of level per 10 foot
run, nonaccumulative, when tested with a straight edge in any
one direction.

I. Wet operations to be performed must be complete prior to
material deliveries.

1.07 [WARRANTY]{.underline}

A. Provide a 1‑year warranty against defects in materials
and workmanship.

[PART 2 -  PRODUCTS]{.underline}

2.01 [MANUFACTURERS]{.underline}

A. Subject to compliance with requirements, provide products by one of
the following:

1\. Fisher Hamilton Scientific Inc.

1316 18th Street

Two Rivers, Wisconsin  54241

2\. Kewaunee Scientific Corporation

Laboratory Division

PO Box 5400

Statesville, North Carolina  28677

[Substitutions]{.underline}: only under provisions of Section 1600-S.

B. Casework, furnishings and equipment specified in the following
sections shall be furnished and installed by the same supplier:

1\. Section 11601: Laboratory Casework and Furnishings

2\. Section 11605: C‑Frame Laboratory Furniture System

3\. Section 11610: Laboratory Fume Hoods

2.02 [CASEWORK DESIGN]{.underline}

A. Design Requirements:

1\. Flush Construction: Surfaces of doors, drawers and panel faces shall
align with cabinet fronts without overlap of case ends, top, or bottom
rails. Horizontal and vertical case members shall meet in the same plane
without overlap, cracks, or crevices. Maximum front width of end panels
3/4 inch and maximum front height of top and bottom members 1 inch.

2\. Self Supporting Units: Completely welded shell assembly without
applied panels at ends, backs or bottoms, so that cases can be used
interchangeably or as a single, stand‑alone unit.

3\. Interior of Case Units: Easily cleanable, flush interior. Base
cabinets, 30 inches and wider, with double swinging doors shall provide
full access to complete interior without center vertical post.

4\. Drawers: Sized on a modular basis for interchange to meet varying
storage needs, and designed to be easily removable in field without the
use of special tools.

5\. Case Openings: Rabbeted‑like joints all 4 sides of case opening for
hinged doors and 2 sides for sliding doors in order to provide dust
resistant case.

6\. Secure intersection of case members with spot and arc welds.

B. Performance Requirements: Casework components shall withstand the
following minimum loads without damage to the component or to the
casework operation:

1\. Steel base unit load capacity: 500 pounds per linear foot

2\. Suspended units: 300 pounds

3\. Drawers in a cabinet: 150 pounds

4\. Utility tables: 300 pounds

5\. Hanging wall cases: 300 pounds

6\. Load capacity for shelves of base units, wall cases and tall
cases:  100 pounds.

2.03 [MATERIALS]{.underline}

A. Sheet Steel:

1\. Metallic Furniture Stock: ASTM A‑366 mild steel, cold‑rolled,
pickled, double annealed, and free from rust, scales, deep scratches,
buckles, ragged edges, and other defects.

B. Stainless Steel:

1\. Type: Unless otherwise noted on Drawings or elsewhere in this
Section, stainless steel specified for tops, sinks, umbilical collar,
shelves, and casework shall be Type 304; ASTM Specification Number A240.

2\. Finish: Exposed surfaces ground and polished to a Number 4 satin
finish. Nuts, screws, bolts, and rivets shall be Type 304 with a tumbled
finish approximating a Number 4 finish.

3\. Welding: All stainless steel welding material shall be of type
similar to sheet material. Welds shall be made without discoloration;
ground, polished, and passivated to blend harmoniously with a Number 4
satin finish.

C. Plastic Laminate:

1\. Exposed Horizontal Surfaces: High pressure decorative laminate,
laboratory‑grade, chemical resistant, meeting or exceeding NEMA Standard
LD3‑1995 Grade VGP. Low glare, finely ground textured finish with gloss
reading of 12.

2\. Vertical Surfaces: High pressure decorative laminate, grade,
chemical resistant, meeting or exceeding NEMA Standard LD3‑1995,
Grade VGS.

3\. Backing Sheets: High pressure phenolic meeting or exceeding NEMA
Standard LD3‑1995, Grade BKL.

4\. Core Material: Medium density particleboard, Grade M‑3, average
density of 45 to 50 pounds per cubic foot, meeting or exceeding ANSI
Standard A208.1‑1993.

5\. Laminate Adhesives: Bond laminate to core with a liquid polyvinyl
acetate or a urea resin adhesive at temperatures above 60 degrees
Fahrenheit at a pressure no less than 15 pounds per square inch.
Laminate and core material shall be laminated and cured in a controlled
environment between 40 percent and 60 percent relative humidity.

6\. Edgebanding: High grade PVC edging applied, under heat and pressure,
by edge banding machine with hot melt waterproof adhesive of same color
as edging. Trim and buff smooth with all edges and corners radiused.
Color selection by the Owner\'s Representative.

D. Epoxy Resin Sheets:

1\. Molded from modified epoxy resin that has been compounded and cured
to provide optimum physical and chemical resistance required of a heavy
duty laboratory working surface. Uniform mixture throughout, not
dependent on a surface coating.

2\. Physical Properties:

a\. Compressive Strength (ASTM D695): 30,600 psi

b\. Flexural Strength (ASTM D790): 12,800 psi

c\. Tensile Strength (ASTM D638): 10,100 psi

d\. Heat Distortion (ASTM D648): 330 degrees Fahrenheit

e\. Water Absorption (ASTM D570):  0.018 percent

f\. Fire Resistance (ASTM D635): Self Extinguishing

E. Glass:

1\. Float glass: Poured, clear glass, with a minimum of
88 percent clarity.

2\. Laminated safety glass: Two outer plies of glass with a vinyl
interlayer, 7/32 inch thick.

3\. Tempered safety glass: Heat treated glass, 1/4 inch thick with a
minimum of 88 percent clarity.

F. Wood:

1\. Hardboard: Tempered, 1/4 inch thick and smooth on both sides.

2\. Plywood: Grade B or better Douglas fir bonded with waterproof
phenolic adhesives.

3\. Edge Grain Maple Top: 1‑3/4 inch thick top with edge grain exposed,
composed of solid hard maple strips not more than 1‑3/4 inch wide, glued
with water resistant resin under heavy pressure side‑to‑side
and end‑to‑end.

G. Polycarbonite Resin Sheets: Lexan as manufactured by General Electric
Corporation, 1/4 inch thick, clear; or Tuffak as manufactured by Rohm
and Haas Company, 1920 Tubeway Avenue, Los Angeles, California. Sheets
shall be free of warp and distortion.

H. Polypropylene: Provide 1/4 inch thick sheets, smooth, free of surface
blemishes with all edges rounded to 1/8 inch radius; low flame spread
and low smoke generating type.

I. Impregnated Natural Stone: Natural quarried hard sandstone, uniform
in grain and texture, and free of seams and veins. Strengthened by
thorough impregnation with a chemical resistant resin and a permanent
bond. Factory finished including all machining and cutouts prior to
application of multiple coats of acid, alkali, and solvent
resistant finish.

2.04 [CASEWORK FABRICATION]{.underline}

A. Base Cabinets:

1\. End Panels and Backs

a\. 18 gage steel.

b\. End panels and back formed from a single steel sheet with front
edges formed to a channel shape and further offset to form a strike for
doors and drawers.

c\. Reinforce at front and rear corners with 18 gage full upright posts
containing shelf adjustment holes, maximum 1/2 inch on centers.

d\. All sink cabinets to have partial height back panels to allow
passage of drain line and piping to service chase. Provide removable
backs on all other base cabinets, except units with security panels, to
allow access to service piping from the front of the unit.

e\. All sink cabinets to have partial height back panels to allow
passage of the drain line and piping to the service chase.

2\. Bottoms:

a\. 18 gage steel.

b\. Bottom and bottom rail formed from a single piece of metal with both
sides and back formed up with a radius between flange and bottom for
ease of cleaning. Form front rail to provide a strike for doors
and drawers.

c\. Reinforce at front corners with 14 gage gusset.

3\. Front Top Rails:

a\. 16 gage steel.

b\. Provide flush at face of cabinet and interlock within the flange at
the top of the end panels. Form front of rail to provide a strike for
doors and drawers.

c\. Reinforce at front corners with 14 gage gusset.

4\. All suspended casework units shall have 18 gage (1.2 mm) tops except
for sink cabinets.

5\. Toespace Rails:

a\. 18 gage steel.

b\. Install between end panels to provide a minimum toespace of 3 inches
deep by 4 inches high.

c\. Provide 11 gage steel corner gussets at front and rear corners with
3/8 inch diameter leveling screws integral with bottom flange.

6\. Intermediate Rails:

a\. Provide between drawers and doors and between drawers at all
security panels.

b\. Recessed behind doors and drawer fronts.

c\. Removable for later revision in cabinet configuration.

7\. Adjustable Pullout Shelves:

a\. 20 gage steel.

b\. Form in one‑piece including the bottom, two sides, front, and back.

c\. Sides, front, and back to be 2 inches high with return bends to
eliminate sharp edges.

d\. Adjustable on 1/2 inch centers.

e\. Front edge of shelf to be within 1 inch of inside face of door.

8\. Adjustable Shelves:

a\. 20 gage steel.

b\. Form front and back edges down 3/4 inch and returned back 3/4 inch.
Form ends down 3/4 inch.

c\. For shelves over 36 inches long or 16 inches deep, reinforce with a
welded hat channel for the full length of the shelf.

d\. Adjustable on 1/2 inch centers.

e\. Front edge of shelf to be within 1 inch of inside face of door.

9\. Hinged Doors:

a\. 3/4 inch double wall assembly with 18 gage exterior panel and
20 gage interior panel.

b\. Reinforce interior of front panel with welded steel hat channels.
Prepaint and sound deaden interior. Weld outer corners and grind smooth.

c\. Secure hinges with screws to internal 14 gage reinforcing in case
and door. Hinges shall be removable; welding of hinges is
not acceptable.

d\. Doors shall close against rubber bumpers.

10\. Drawers:

a\. Drawer front: 3/4 inch double wall assembly, 20 gage interior and
exterior panels, prepaint prior to assembly and sound deaden, weld top
front corners and grind smooth.

b\. Drawer body: 20 gage steel, one‑piece construction including bottom,
2 sides, back, and inner front. Fully coved at interior bottom.

c\. Drawers shall close against rubber bumpers.

d\. Provide security panels for drawers with keyed different locks.

B. Wall and Upper Cabinets:

1\. End Panels and Backs

a\. 18 gage steel.

b\. End panels and back formed from a single steel sheet with front
edges formed to a channel shape and further offset to form a strike for
doors and drawers.

c\. Reinforce at front and rear corners with 18 gage full upright posts
containing shelf adjustment holes, maximum 1/2 inch on centers.

2\. Bottoms:

a\. 18 gage steel.

b\. Bottom and bottom rail formed from a single piece of metal with both
sides and back formed up with a radius between flange and bottom for
ease of cleaning. Form front rail to provide a strike for doors
and drawers.

c\. Reinforce at front corners with 14 gage gusset.

3\. Tops

a\. 18 gage steel.

b\. One piece construction with front edge formed into a channel shape
and offset for door recess and to provide a strike for doors. Turn down
flanges at back and side edges for welding top to back and end panels.

c\. Reinforce at front corners with 14 gage gusset.

4\. Adjustable Shelves:

a\. 20 gage steel.

b\. Form front and back edges down 3/4 inch and returned back 3/4 inch.
Form ends down 3/4 inch.

c\. For shelves over 36 inches long or 16 inches deep, reinforce with a
welded hat channel for the full length of the shelf.

d\. Adjustable on 1/2 inch centers.

e\. Front edge of shelf to be within 1 inch of inside face of door.

5\. Hinged Solid Doors:

a\. 3/4 inch double wall assembly with 18 gage exterior panel and
20 gage interior panel.

b\. Reinforce interior of front panel with welded steel hat channels.
Prepaint and sound deaden interior. Weld outer corners and grind smooth.

c\. Secure hinges with screws to internal 14 gage reinforcing in case
and door. Hinges shall be removable; welding of hinges is
not acceptable.

d\. Doors shall close against rubber bumpers.

6\. Hinged Glass Doors:

a\. Frame: Outer head of 18 gage one piece construction. Inner head
consisting of top, bottom and side framing members removable for
replacement of glass.

b\. Glass: 1/8 inch float glass.

c\. Provide continuous vinyl glazing retainer to receive glass.

7\. Unframed Sliding Glass Doors:

a\. Glass: 1/4 inch laminated safety glass with exposed edges ground.

b\. Set in extruded aluminum shoe with integral pulls, nylon wheel
assemblies, and top and bottom extruded aluminum track.

c\. Provide rubber bumpers at fully opened and closed door position and
space guides fitting into top track.

8\. Framed Sliding Glass Doors:

a\. Frame: Outer head of 18 gage one piece construction. Inner head
consisting of top, bottom and side framing members removable for
replacement of glass.

b\. Glass: 1/8 inch float glass.

c\. Track assembly: Overhead aluminum track with adjustable nylon roller
hangers and bottom aluminum channels with 2 plastic guides per door.
Provide valance in front of track assembly.

d\. Provide extruded vinyl retaining molding to receive glass.

9\. Sliding Solid Doors:

a\. 3/4 inch double wall assembly with 18 gage exterior panel and
20 gage interior panel.

b\. Reinforce interior of front panel with welded steel hat channels.
Prepaint and sound deaden interior. Weld outer corners and grind smooth.

c\. Track assembly: Overhead aluminum track with adjustable nylon roller
hangers and bottom aluminum channels with 2 plastic guides per door.
Provide valance in front of track assembly.

C. Tall Cabinets:

1\. End Panels and Backs

a\. 18 gage steel.

b\. End panels and back formed from a single steel sheet with front
edges formed to a channel shape and further offset to form a strike for
doors and drawers.

c\. Reinforce at front and rear corners with 18 gage full upright posts
containing shelf adjustment holes, maximum 1/2 inch on centers.

2\. Bottoms:

a\. 18 gage steel.

b\. Bottom and bottom rail formed from a single piece of metal with both
sides and back formed up with a radius between flange and bottom for
ease of cleaning. Form front rail to provide a strike for doors and a
4 inch high base.

c\. Reinforce at front corners with 14 gage gusset.

3\. Tops

a\. 18 gage steel.

b\. One piece construction with front edge formed into a channel shape
and offset for door recess and to provide a strike for doors. Turn down
flanges at back and side edges for welding top to back and end panels.

c\. Reinforce at front corners with 14 gage gusset.

4\. Adjustable Shelves:

a\. 20 gage steel.

b\. Form front and back edges down 3/4 inch and returned back 3/4 inch.
Form ends down 3/4 inch.

c\. For shelves over 36 inches long or 16 inches deep, reinforce with a
welded hat channel for the full length of the shelf.

d\. Adjustable on 1/2 inch centers.

e\. Front edge of shelf to be within 1 inch of inside face of door.

5\. Hinged Doors:

a\. 3/4 inch double wall assembly with 18 gage exterior panel and
20 gage interior panel.

b\. Reinforce interior of front panel with welded steel hat channels.
Prepaint and sound deaden interior. Weld outer corners and grind smooth.

c\. Secure hinges with screws to internal 14 gage reinforcing in case
and door. Hinges shall be removable; welding of hinges is
not acceptable.

d\. Doors shall close against rubber bumpers.

6\. Hinged Glass doors:

a\. Frame: Outer head of 18 gage one piece construction. Inner head
consisting of top, bottom and side framing members removable for
replacement of glass.

b\. Glass: 7/32 inch laminated safety glass.

c\. Provide continuous vinyl glazing retainer to receive glass.

7\. Framed Sliding Glass Doors:

a\. Frame: Outer head of 18 gage one piece construction. Inner head
consisting of top, bottom and side framing members removable for
replacement of glass.

b\. Glass: 7/32 inch laminated safety glass.

c\. Track assembly: Overhead aluminum track with adjustable nylon roller
hangers and bottom aluminum channels with 2 plastic guides per door.
Provide valance in front of track assembly.

d\. Provide extruded vinyl retaining molding to receive glass.

8\. Sliding Solid Doors:

a\. 3/4 inch double wall assembly with 18 gage exterior panel and
20 gage interior panel.

b\. Reinforce interior of front panel with welded steel hat channels.
Prepaint and sound deaden interior. Weld outer corners and grind smooth.

c\. Track assembly: Overhead aluminum track with adjustable nylon roller
hangers and bottom aluminum channels with 2 plastic guides per door.
Provide valance in front of track assembly.

D. Filler Panels:

1\. Provide filler panels and pipe chase enclosure panels at exposed to
view areas between back of cabinets and walls, between backs of cabinets
at end of island or peninsula benches, and at any other area necessary
to enclose gaps.

2\. Minimum 18 gage steel.

3\. Grind edges and radius corners to eliminate sharp edges.

4\. Secure to frame and/or cabinet back and wall with metal angle and
oval screws with finishing washers.

E. Hardware:

1\. Drawer And Hinged Door Pulls: Pulls shall be flush‑mounted, satin
finish, clear anodized aluminum extrusions, minimum 4 inches long, inset
2 inches from door or drawer edge. Mount door pulls vertically and
drawer pulls horizontally.

2\. Drawer and Hinged Door Pulls: Low profile wire type, 4 inches long,
1 inch high, minimum 3/8 inch diameter. Type 304 stainless steel with a
brushed finish. Mount door pulls vertically and drawer
pulls horizontally.

3\. Sliding Door Pulls: Recessed stainless steel, styled and sized to
harmonize with drawer pulls.

4\. Drawer and Pullout Shelving Slides:

a\. Description: Full extension, multimembered slides fabricated of
minimum 16 gage steel with an electro‑zinc finish.

b\. Manufacturers: Accuride International Incorporated,
Santa Fe Springs, California; Waterloo Metal Stampings Limited,
Kitchener, Ontario; Knape and Vogt, Grand Rapids, Michigan; A‑Ventures,
Incorporated, Charlotte, North Carolina; or equal.

c\. Drawer Slides:

**Drawer Drawer Accuride Maximum**

**Width Height Model \# Static Load**

1\) 0-24 inches 0-4 inches 3832 100 pounds

2\) 0-24 inches Over 4 inches 3832 100 pounds

3\) 25-36 inches 0-4 inches 3832 100 pounds

4\) 25-36 inches Over 4 inches 4034 150 pounds

5\) Over 36 inches0-4 inches 3640 200 pounds

6\) Over 36 inchesOver 4 inches 3640 200 pounds

d\. Pullout Shelving Slides

**Shelving Accuride Maximum**

**Width Model \# Static Load**

1\) 0-24 inches 3832 100 pounds

2\) 25-36 inches 4034 150 pounds

3\) Over 36 inches3640 200 pounds

e\. File Cabinet Drawer Slides:

**Drawer Accuride Maximum**

**Width Model \# Static Load**

1\) All Sizes 4034 150 pounds

f\. Slides shall have a positive stop at full extension and permit
removal of drawer without use of tools. Drawers shall not lift out or
otherwise be removable without the release of a locking device on
each slide.

5\. Hinges:

a\. Description: Institutional type, 5 knuckle, projecting barrel,
minimum 2‑1/2 inches long.

b\. Material: Type 304 stainless steel, minimum 0.095 inches thick

c\. Provide 2 hinges for doors up to and including 48 inches high;
3 hinges for doors over 48 inches high. Drill each leaf for 3 screw
attachment to door and frame. Use stainless steel screws.

6\. Door Catches: Roller type, adjustable, operating with a built‑in
tension spring. All parts except roller shall be steel, cadmium plated.
Attach to top of base cabinet doors, the bottom of wall cabinet doors,
and at the top and bottom of tall cabinet right‑hand doors. Provide an
elbow catch for the left‑hand door of tall cabinets at the fixed
center shelf.

7\. Shelf clips: Die formed steel, zinc plated, to engage in shelf
adjustment holes on nominal 1‑1/4 inch centers.

8\. Shelf Standards: Garcy Number 3225, satin zinc finish.

9\. Locks:

a\. Provide with base and wall cabinets as shown on the Drawings.

b\. Provide with all tall cabinets.

c\. Description: 5 pin tumbler, heavy duty cylinder cam lock type.

d\. Manufacturers: National Lock Company, Rockford, Illinois; Corbin,
Berlin, Connecticut; Best Lock Corporation, Indianapolis, Indiana;
Illinois Lock Company, Wheeling, Illinois; or equal.

e\. Finish: Exposed surfaces of locks shall match other
casework hardware.

f\. Keying: Capacity for 2000 primary key changes. Master key 1 level
with built‑in flexibility to accommodate, if required, 3 levels;
1 Grandmaster, 59 Master groups and 70 Submaster groups with 13 primary
changes under each.

g\. Keys: Stamped brass available from manufacturer or local locksmith,
and supplied in the following quantities unless otherwise specified:

1\) Two for each keyed different lock.

2\) Three for each group keyed alike locks.

3\) Two for master keys for each system.

10\. Label Holders: Formed steel with satin chrome finish, 1 inch by
1‑1/2 inch, screw installed.

11\. File Suspension Rails: Provide each file drawer with a pair of
14 gage, epoxy coated steel, Pendaflex file suspension rails.

2.05 [UNDERCOUNTER VENTILATED CABINETS]{.underline}

A. Description: Construct as specified for metal laboratory casework.

B. Ventilation: Provide a 2 inch polypropylene vent pipe at the outside
rear of the cabinet with 2 inlets, 1 high and 1 low. Secure vent pipe
inlets to back of cabinet with polypropylene locking nuts. Extend vent
pipe to 4 inches above the hood work surface.

C. Doors: Provide with polypropylene or ABS roller catches with
plastic screws.

D. Bottom: Provide with 1/4 inch thick heat welded, polypropylene or
ABS plastic pan, liquid tight, removable, 1 inch deep.

E. Shelving: Provide with a half depth, adjustable shelf for the full
width of the cabinet.

F. Finish: As specified for metal laboratory casework except interior
and shelf shall be triple coated. Color selected by the
Owner\'s Representative.

2.06 [TALL VENTILATED CABINETS]{.underline}

A. Description: Construct as specified for metal laboratory casework,
including hardware and locks.

B. Ventilation: Provide 4 inch round duct collar at top of cabinet with
slide damper.

C. Doors: Provide with louvered vents near the bottom of each door and
polypropylene or ABS roller catches with plastic screws.

D. Bottom: Provide with 1/4 inch thick heat welded polypropylene or
ABS plastic pan, liquid tight, removable 1 inch deep.

E. Shelving: Provide 5 shelves; 4 adjustable and 1 fixed. Shelves shall
be 1 inch.

F. Finish: As specified for metal laboratory casework except interior
shall be triple coated. Color selected by the Owner\'s Representative.

2.07 [UNDERCOUNTER FLAMMABLE STORAGE CABINETS]{.underline}

A. Description: Design and construct in accordance with OSHA Regulations
and the requirements of NFPA 30, National Fire Protection Association,
Flammable and Combustible Liquids Code. Cabinets shall be Factory Mutual
(FM) approved and Underwriters Laboratories (UL) listed. Cabinets shall
limit the internal temperature at the center 1 inch from the top to not
more than 325 degrees Fahrenheit when subjected to the fire test for
storage cabinets as described in NFPA 30.

B. Casing: Bottom, top, back, door, and sides of cabinet shall be at
least 18 gage sheet steel, double walled with 1‑1/2 inch air space.
Joints shall be welded airtight. Provide with adjustable zinc plated
leveling legs.

C. Door: Provide with continuous piano hinge and a 3‑point latch
arrangement with door sill raised at least 2 inches above the bottom of
the cabinet to retain spilled liquid within the cabinet. Door shall be
self closing.

D. Ventilation: Cabinet shall not be ventilated unless required by local
authorities. Vent openings shall be sealed with plugs, inside and
outside, supplied by the manufacturer.

E. Vent cabinets to building supply and exhaust systems, as indicated on
the Drawings, with 2 inch Schedule 40 steel piping.

F. Shelving: Provide with a full width adjustable shelf.

G. Grounding: Cabinets shall be grounded.

H. Identification: All flammable storage cabinets shall be marked with
conspicuous lettering: FLAMMABLE - KEEP FIRE AWAY.

I. Finish: Finish as specified for metal laboratory casework except
interior shall be triple epoxy coated. Color selected by the
Owner\'s Representative.

2.08 [TALL FLAMMABLE STORAGE CABINETS]{.underline}

A. Description: Design and construct in accordance with OSHA Regulations
and the requirements of NFPA 30, National Fire Protection Association,
Flammable and Combustible Liquids Code. Cabinets shall be Factory Mutual
(FM) approved and Underwriters Laboratories (UL) listed. Cabinets shall
limit the internal temperature at the center 1 inch from the top to not
more than 325 degrees Fahrenheit when subjected to the fire test for
storage cabinets as described in NFPA 30.

B. Casing: Bottom, top, back, door, and sides of cabinet shall be at
least 18 gage sheet steel, double walled with 1‑1/2 inch air space.
Joints shall be welded airtight. Provide with adjustable zinc plated
leveling legs.

C. Door: Provide with continuous piano hinge and a 3‑point latch
arrangement with door sill raised at least 2 inches above the bottom of
the cabinet to retain spilled liquid within the cabinet. Door shall be
self closing.

D. Ventilation: Cabinet shall not be ventilated unless required by local
authorities. Vent openings shall be sealed with plugs, inside and
outside, supplied by the manufacturer.

E. Ventilation: Provide a 2 inch threaded vent connection on each side
of the cabinet for supply and exhaust ventilation air. Vents shall have
flash arresters.

F. Shelving: Provide with three 18 inch deep, full width
adjustable shelves.

G. Grounding: Cabinets shall be grounded.

H. Identification: All flammable storage cabinets shall be marked with
conspicuous lettering: FLAMMABLE - KEEP FIRE AWAY.

I. Finish: Finish as specified for metal laboratory casework except
interior shall be triple epoxy coated. Color selected by the
Owner\'s Representative.

2.09 [TABLE FRAMES]{.underline}

A. Frames: 4‑1/2 inches high C‑channel for front and back aprons, end
rails, and cross rails.

B. Drawers: Provide front and back rails; drawer unit, hardware, and
suspension same as specified for base unit drawers.

C. Legs: 2 inches by 2 inches steel tube legs with welded leg bracket.
Attach legs with 2 bolts to front and back aprons and weld to end rails.
Each leg shall have a recessed leveling screw and a black, coved vinyl
or rubber leg shoe, 2 inches in height.

2.10 [T‑FRAME TABLES]{.underline}

A. Upper horizontal rails: 2 inch by 2 inch by 11 gage reinforced
steel channel.

B. Legs: Vertical leg members of 2 inch by 2 inch by 11 gage thick steel
channel. Upper and lower horizontal leg members of 3 inch by 2 inch by
11 gage thick steel channel. Weld leg members to form leg assembly at
each end of table.

C. Construct table frame by bolting leg assemblies to upper horizontal
rails and to lower support angles; as detailed on the Drawings.

D. Leveling glides: 2 inch diameter, two‑piece pivot construction, steel
housing, nonmarring, phenolic or translucent plastic insert, 1/2 inch
diameter, minimum 1‑1/2 inch long zinc plated stems.

E. Casters: Swivel type, 4 inch high, with wheel lock.

F. Finish: Electrodeposition painting process, baked on to a hard satin
finish. Color selected by Owner\'s Representative.

2.11 [METAL FINISH]{.underline}

A. Finish casework, casework support structure and other
laboratory furnishings.

B. Preparation: Spray clean metal with a heated cleaner/phosphate
solution, pretreat with iron phosphate spray, water rinse, and neutral
final seal. Immediately dry in heated ovens, gradually cooled, prior to
application of finish.

C. Application: Electrodeposition painting process that coats all hidden
and exposed surfaces with an acid and abrasion resistant coating. Bake
in a controlled high temperature oven to ensure 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: 1.5 mil average and
1.2 mil minimum.

2\. Backs of cabinets and other surfaces not exposed to view:
1.0 mil average.

3\. Finish drawer bodies in matching or harmonizing color and apply
corrosion‑resistant treatment to selected, concealed interior parts.

D. Color: Selection by the Owner\'s Representative from
nonstandard colors..

E. Metal Finish Performance Requirements:

1\. Abrasion Resistance: Maximum weight loss of 5.5 mg per 100 cycle
when tested on a Taber Abrasion Tester Number E40101 with 1000 gm wheel
pressure and Calibrase Number CS10 wheel.

2\. Hardness: Surface hardness equivalent to 4H or 5H pencil.

3\. Humidity Resistance: Withstand 1,000 hour exposure in saturated
humidity at 100 degrees Fahrenheit.

4\. Moisture Resistance: No visible effect to surface finish after
boiling water trickled over test panel inclined at 45 degrees Fahrenheit
for 5 minutes. No visible effect to surface finish following 100 hour
continuous application of a water soaked cellulose sponge, maintained in
a wet condition throughout the test period.

5\. Adhesion: Score finish surface of test panel with razor blade into
100 squares, 1/16 inch by 1/16 inch, cutting completely through the
finish but with minimum penetration of the substrate, and brush away
particles with soft brush. Minimum 95 squares shall maintain
their finish.

6\. Salt Spray: Withstand minimum 200 hour salt spray test, conforming
to ASTM B117‑59 procedure.

2.12 [WORK SURFACES]{.underline}

A. Epoxy Resin:

1\. Materials: As specified in Article 2.02.

2\. Manufacturer: The Durcon Company, Inc.; Prime Industries; Laboratory
Tops, Inc.; Epoxyn Products; or equal.

3\. Thickness: 1 inch thick unless otherwise noted on Drawings. Check
thickness before fabrication. Each corner of top shall not deviate more
than plus or minus 1/32 inch from nominal.

4\. Warpage: Check top for warpage before fabrication. Slab shall be
placed on a true plane formed by a surface plate of Tool Room Grade B or
better. Measure in unrestrained condition. Top will be accepted for use
if there is no gap exceeding 1/16 inch in a 36 inch span or 3/32 inch in
a 96 inch span.

5\. Fabrication:

a\. Provide in longest practical lengths. All joints shall be bonded
with a highly chemical and corrosion resistant cement having similar
properties as the base material. Provide a 1/8 inch wide drip groove on
underside of all exposed edges set back 1/2 inch from edge of top.
Finish exposed edges.

b\. Size Tolerances: Length, plus or minus 1/8 inch. Width, plus or
minus 1/16 inch.

c\. Squareness: Plus or minus 1/64 inch for each 12 inches. A top
spanning 48 inches shall be held to plus or minus 1/16 inch.

d\. Location Of Cutouts And Drillings: Plus or minus 1/8 inch.

e\. Sizes Of Cutouts And Drillings: Plus 1/8 inch, minus 0.

6\. Curbs: Supply loose for field application in same thickness as
countertops. Curbs shall be 4 inches high unless otherwise indicated on
Drawings. Where tops abut wall or fume hood, supply an end curb.

7\. Color: Manufacturer\'s standard black color.

8\. Color: To be selected by the Owner\'s Representative from the
Manufacturer\'s standard black, gray, or white colors.

B. Plastic Laminate:

1\. Materials: As specified in Article 2.02.

2\. Thickness: 1 inch thick unless otherwise noted on Drawings.

3\. Fabrication:

a\. Finish at the factory and include all machine drilling and cutouts.

b\. Edges: Band with 1/8 inch PVC.

c\. Size Tolerances: Length, plus or minus 1/8 inch. Width, plus or
minus 1/16 inch.

d\. Squareness: Plus or minus 1/64 inch for each 12 inches. A top
spanning 48 inches shall be held to plus or minus 1/16 inch.

e\. Location Of Cutouts And Drillings: Plus or minus 1/8 inch.

f\. Sizes Of Cutouts And Drillings: Plus 1/8 inch, minus 0.

4\. Curbs: Supply loose for field application in same thickness as
countertops. Curbs shall be 4 inches high unless otherwise indicated on
Drawings. Where tops abut wall of fume hood, supply an end curb.

5\. Color: To be selected by the Owner\'s Representative.

C. Stainless Steel:

1\. Materials: As specified in Article 2.02.

2\. Thickness: 16 gage, Type 304, stainless steel with a Number 4 polish
finish over a hardwood perimeter frame with a total thickness of 1 inch,
unless otherwise noted on Drawings.

3\. Fabrication:

a\. Finish at the factory and include all cutouts. Provide top with
1/2 inch return flange under frame and 16 gage steel reinforcing
channels applied to underside of top where necessary to ensure rigidity.
Coat underside of top with sound dampening material.

b\. Form edges, flanges and curbs integrally with top from 1 sheet of
metal. Provide with marine edges.

c\. Joints: Electrically weld all shop and field joints; grind smooth
and polish.

d\. Size Tolerances: Length, plus or minus 1/8 inch. Width, plus or
minus 1/16 inch.

e\. Squareness: Plus or minus 1/64 inch for each 12 inches. A top
spanning 48 inches shall be held to plus or minus 1/16 inch.

f\. Location Of Cutouts And Drillings: Plus or minus 1/8 inch.

g\. Sizes Of Cutouts And Drillings: Plus 1/8 inch, minus 0.

D. Wood Tops:

1\. Materials: As specified in Article 2.02.

2\. Thickness: 1‑3/4 inch thick, unless otherwise noted on Drawings.

3\. Fabrication:

a\. Fabricate from hard maple strips not more than 1‑3/4 inch wide,
glued under heavy pressure with water resistant resin side‑to‑side and
end‑to‑end. Round top edges and corners, and sand smooth. Provide with a
1/4 inch by 3/16 inch drip groove around all exposed edges.

b\. Finish at the factory and include all machine drilling and cutouts.

c\. Size Tolerances: Length, plus or minus 1/8 inch Width, plus or minus
1/16 inch.

d\. Squareness: Plus or minus 1/64 inch for each 12 inches. A top
spanning 48 inches shall be held to plus or minus 1/16 inch.

e\. Location Of Cutouts And Drillings: Plus or minus 1/8 inch.

f\. Sizes Of Cutouts And Drillings: Plus 1/8 inch, minus 0.

4\. Curbs: Supply loose for field application in same thickness as
countertops. Curbs shall be 4 inch high unless otherwise indicated on
Drawings. Where tops abut wall or fume hood, supply an end curb.

5\. Finish: Natural finish, highly water resistant, ThermoKure
Number 331‑0095 with catalyst Number 390‑50019, as manufactured by
Guardsman Chemical Company, Louisville, Kentucky. Apply 2 coats on top
and 1 on underside.

E. Impregnated Natural Stone:

1\. Materials: As specified in Article 2.02.

2\. Manufacturer: Waller Brothers Stone Company, McDermott, Ohio;
Laboratory Furniture Companies, McDermott, Ohio; or equal.

3\. Thickness: 1 inch thick unless otherwise noted on Drawings.

4\. Fabrication:

a\. Finish at the factory and include all machine drilling and cutouts
prior to application of multiple coats of high bake acid, alkali, and
solvent resistant finish. Butt and cement all joints and round top and
corner edges.

b\. Size Tolerances: Length, plus or minus 1/8 inch. Width, plus or
minus 1/16 inch.

c\. Squareness: Plus or minus 1/64 inch for each 12 inches. A top
spanning 48 inches shall be held to plus or minus 1/16 inch.

d\. Location Of Cutouts And Drillings: Plus or minus 1/8 inch.

e\. Sizes Of Cutouts And Drillings: Plus 1/8 inch, minus 0.

5\. Curbs: Supply loose for field application in same thickness as
countertops. Curbs shall be 4 inches high unless otherwise indicated on
Drawings. Where tops abut wall or fume hood, supply an end curb.

6\. Color: Uniform black finish.

2.13 [SINKS]{.underline}

A. Epoxy Resin Sinks:

1\. Description: Integrally molded from modified thermosetting black
epoxy resin, and oven cured. Minimum wall thickness of 1/2 inch with all
interior corners coved to 1‑1/2 inch radius and bottoms pitched to end
outlet opening. Provide with 1‑1/2 inch outlet and open end overflow
standpipe. Overflow to be 2 inches shorter than depth of sink.

2\. Manufacturers: The Durcon Company; Prime Industries; Epoxyn
Products; or Laboratory Tops, Inc.

3\. Support sinks with two 1/4 inch thick by 2 inch wide steel straps
fastened to horizontal front and back rails with 1/4 inch by 3/4 inch
flat head machine screws. Provide two adjustable glides for each strap
to support the sink at the front and back corners.

4\. Drop in sinks, supported by an upper flange from the benchtop,
are acceptable.

5\. Caulk joint between top and sink with nonhardening mastic.

6\. Provide with swivel sink strainer adapter; Town & Country Plastics
Model PP‑18, R&G Sloane Part Number 7218; or Scientific Plastics
Company, Inc., Part Number 31595‑158.

B. Epoxy Resin Cupsinks:

1\. Description: 4‑3/8 inches by 13‑3/4 inches by 5‑7/16 inches ID with
a minimum wall thickness of 3/8 inch. Integrally molded from modified
thermosetting black epoxy resin, oven cured.

2\. Manufacturers: The Durcon Company; Prime Industries; Epoxyn
Products; or Laboratory Tops, Inc.

3\. Cove corners and pitch bottom to outlet opening.

4\. Screen: Type 316 stainless steel, 0.028 wire diameter, 8 by 8 mesh
per square inch.

5\. Provide swivel sink strainer adapter, Town & Country Plastics
Model PP‑18, R&G Sloane Part Number 7218; or Scientific Plastics
Company, Inc., Part Number 31595‑158.

C. Stainless Steel Sinks:

1\. Description: Minimum 18 gage, Type 304 stainless steel, Number 4
polish. Provide 1 inch radius cove at vertical and horizontal corners
and pitch bottom to drain. All sink joints shall be butt welded, ground
smooth, and polished to render all joints seamless. Soldering will not
be permitted in conjunction with sink construction. All sink units shall
be designed and fabricated with sufficient reinforcement to prevent oil
canning. Apply heavy mastic type sound deadening coating to underside of
sinks. Faucet holes to be reinforced with 16 gage stainless steel hat
channel on the underside.

2\. Manufacturers: Just Manufacturing Company, Elkay Manufacturing
Company, or equal.

3\. Except for sinks integral with stainless steel top, mount sinks with
an integral frame.

4\. Provide all sinks with stainless steel drain and stainless steel
open end overflow standpipe. Standpipe to be 2 inches shorter than depth
of sink.

5\. Provide swivel sink strainer adapter, Town & Country Plastic
Model PP‑18 or R&G Sloane Part Number 7218; or Scientific Plastics
Company, Inc., Part Number 31595‑158.

D. Stainless Steel Cupsinks:

1\. Description: 4‑3/8 inches by 13‑3/4 inches by 5‑7/16 inches ID.
Type 304 stainless steel, minimum thickness 18 gage, Number 4, mill
polish finish. All joints butt welded and ground smooth. Pitch bottoms
to drain outlet.

2\. Screen: Type 316 stainless steel, 0.028 wire diameter, 8 by 8 mesh
per square inch.

3\. Provide swivel sink strainer adapter, Town & Country Plastics
Model PP‑18 or R&G Sloane Part Number 7218; or Scientific Plastics
Company, Inc., Part Number 31595‑158.

E. Stainless Steel Scullery Sinks:

1\. Fabricate from 16 gage Type 304 stainless steel, Number 4 finish.
Provide 1 inch radius cove at vertical and horizontal corners and pitch
bottom to drain. All sink joints shall be butt welded, ground smooth and
polished to render all joints seamless. Soldering will not be permitted
in conjunction with sink unit construction. All sink units shall be
designed and fabricated with sufficient reinforcement to prevent oil
canning. Apply heavy mastic type sound deadening coating to underside of
sinks, tops and backsplashes. Faucet holes to be reinforced with 16 gage
hat channel on the underside.

2\. Frame and leg members: 2 inches square, 16 gage with welded
connections and Number 4 finish.

3\. Removable shelves: 16 gage, Number 4 finish bent as detailed and
supported by horizontal frame members.

2.14 [LABORATORY SERVICE FITTINGS]{.underline}

A. General:

1\. Installation: Service fittings shall be furnished and installed at
point of use under this Section and connected to the service piping
systems under Division 15. All laboratory service fittings, including
fittings supplied with fume hoods, shall be the product of one
manufacturer. All fittings are to be designed for laboratory use.

2\. Manufacturers: Water Saver Faucet Company or Chicago Faucet Company
Water Saver fitting numbers are referenced on the Drawings.

3\. Materials: The bodies of service valves, fittings and accessories
shall be cast brass with a minimum copper content of 85 percent. Faucets
shall have a tapered body design. Assembly components and operating
parts such as valve stems, renewable units, packing nuts, outlet
nozzles, and straight serrated hose ends shall be fabricated from solid
brass bar stock. Replaceable seats, needle cones, valve disc screws, and
other accessories shall be monel metal or stainless steel alloys
especially selected for use intended.

4\. Service fittings, including the mounting of valves and shanks to
turrets, flanges, and other mounting accessories, shall be assembled at
the factory.

5\. Furnish and install nipples, locknuts, shanks and other accessories
required to properly mount and connect the fittings.

6\. Testing: Fittings shall be individually factory tested. Valves and
fittings, except water fittings, shall withstand a test pressure of
100 pounds per square inch. Test water fittings at 80 pounds per
square inch. Fittings for gases shall be tested under water.

7\. Fittings located on the same plane shall have their handles project
the same distance from the plane of reference to present a uniform,
related appearance, regardless of valve type.

B. Water Valves:

1\. Renewable unit containing all working parts which are subject to
wear, including stainless steel or monel metal seat, monel metal screw,
heavy‑duty seat disk, Teflon packing, and an integral or external
adjustable volume control.

2\. Unit shall be capable of being readily converted from compression to
self closing, and vice versa, without disturbing faucet body proper and
shall also be capable of being readily converted from water construction
to needle valve or steam valve construction without disturbing
faucet body.

3\. Unit shall be sealed in valve body with special composition gasket.
Metal‑to‑metal or ground‑joint type of sealing not acceptable.

C. Needle Valves:

1\. Water, gas, and air needle valves shall have a stainless steel
replaceable floating cone that is precision ground and self‑centering.

2\. Action of valve shall be slow compression for fine control under
pressure up to 100 psi and shall have parts subject to wear,
easily replaceable.

D. Microcontrol Valves:

1\. Microcontrol valves for special gas service shall be as described
for needle valves with the following additions.

a\. Fine stem threads with approximately 30 threads per inch.

b\. Renewable stainless steel needle and seat with 1/8 inch orifice.

c\. Constructed to maintain a constant flow rate of 4 bubbles per
15 seconds as valve is tested out under 50 pounds, 100 pounds,
150 pounds, and 200 pounds of nitrogen pressure.

E. High Purity Water Valves:

1\. Forged brass body with all interior components coming in contact
with water constructed of polypropylene.

2\. Maximum working pressure of 50 psig.

3\. Provide with 3/8 inch brass riser and gooseneck with
polypropylene lining.

4\. Provide with polypropylene serrated tip at the outlet.

F. High Purity Water Valves:

1\. Forged brass body with all interior components coming in contact
with water being tinlined. Tinlined renewable unit shall be sealed in
valve body with a special composition gasket. Metal‑to‑metal or
ground‑joint type of sealing is not acceptable.

2\. Maximum working pressure of 50 psig.

3\. Provide with 3/8 inch tinlined brass riser and gooseneck.

4\. Tinlined, serrated to tip outlet.

G. High Purity Water Valves:

1\. Valves for pure water service shall be fabricated entirely of
ultra‑high molecular weight polyethylene. Valves shall be compression
type and shall have a molded plastic hooded handle, a color‑coded index
disc and a removable serrated hose end.

2\. Valves shall be mounted on a single 3/8 inch IPS brass riser. The
riser shall have a polyethylene interior lining.

H. Steam Valves: Bonnet assembly similar to needle valve fixture.
Provide valve stem with flat Teflon valve disc and renewable, stainless
steel valve seat.

I. Ground Key Cocks: Straightway ground key cocks, individually ground
and lapped and tested at 100 psi air under water. Cocks shall have
single arm, easy grip handle with screw‑on type index. Provide with
10 serrated end integral with valve body.

J. Goosenecks: Hot water/cold water gooseneck mixers shall swivel.
Swivel point shall be at turret or at valve level if wall or panel
mounted. Swing joints shall have heavy Teflon packings. All goosenecks
shall provide full thread for attachment of antisplash outlet fittings,
serrated‑tips or filter pumps.

K. Vacuum Breakers: Vacuum breakers, where required, shall be integral
with the gooseneck. Vacuum breakers shall have a forged brass body,
renewable seat and a special design valve member for fine flow control.
Vacuum breakers shall not spill over at low water volume.

L. Serrated Tips: Serrated tip fittings shall have 3/8 inch IPS thread
with hose end being tapered and shall not have less than 10 serrations.
Diameter of orifice in serrated tip shall be 1/8 inch, except where
otherwise specified.

M. Turrets: Turrets shall be round type design, brass drip forging, as
indicated on Drawings. One-way or two‑way as required with 3/8 inch IPS
female inlet thread for connections. Units shall be furnished with brass
shanks, brass locknuts, and washers.

N. Fixture Finish:

1\. Chrome finish, over all visible areas, developed by the following
sequence of platings over properly prepared brass castings or forgings:

**Plating Minimum Plating Thickness**

Copper (Initial) 0.000050 inches

Nickel 0.000350 inches

Chromium (Final) 0.000015 inches

2\. Laboratory service fittings shall have an acid and solvent-resisting
clear plastic coating applied over a cleaned, polished, chromeplated
surface. Coating surfaces shall be sprayed and baked 3 times with a
minimum coating thickness of 2B3 mil. After surfaces have been coated,
faucet and valve components shall be assembled and tested at 100 pounds
air under water.

3\. Coating shall be tested by suspending samples in a 6 cubic foot
capacity container approximately 12 inches above open beakers, each
containing 199 cc of 75 percent nitric acid, 94 percent sulfuric acid,
and 37 percent hydrochloric acid, respectively. After exposure to these
fumes for 150 hours, finish shall show no rupture, though slight
discoloration or possible softening is permissible.

O. Fixture Finish:

1\. Coat all laboratory service fittings with acid and solvent resistant
epoxy coating equal to ColorTech as manufactured by Water Saver
Faucet Company.

2\. Coating Material: Free flowing epoxy powder with a particle size of
35 to 70 microns. Color shall be light white/gray.

3\. Application Procedure: Immerse fitting in a phosphoric acid cleaning
solution to remove thoroughly all oil, grease and other foreign
substances. Sandblast with an extra fine grit to produce a uniform
fine‑grained surface. Following cleaning and sandblasting, coating
material shall be applied evenly to all exposed surfaces, by means of an
electrostatic spray, so that coating material is electrostatically
bonded to the surface of the metal. After application, coating shall be
fully baked at 400 degrees Fahrenheit to permit curing. Surfaces shall
have a minimum coating thickness of 4 mil.

4\. Testing: Faucet and valve components shall be assembled and
individually tested after coating is applied.

5\. Performance Requirements: Suspend coated samples in a container of
at least 6 cubic feet capacity, approximately 12 inches above open
beakers. Beakers shall contain 100 cc of 70 percent nitric acid,
94 percent nitric acid, 94 percent sulfuric acid, and 35 percent
hydrochloric acid, respectively. After exposure to these fumes for
150 hours, the finish on the samples shall show no discoloration,
disintegration, or other effects. Subject coated samples to the direct
action of the following reagents and solvents at a temperature of
25 degrees Celsius dropping from a burette at the rate of 60 drops per
minute for 10 minutes. Finish on the samples shall not rupture, though
slight discoloration or possible softening is permissible.

a\. Acetone

b\. Carbon Tetrachloride

c\. Ethyl Alcohol

d\. Glacial Acetic Acid, 95.5 percent

e\. Hydrochloric Acid, 38 percent

f\. Mineral Oil

g\. Nitric Acid, 70 percent

h\. Sodium Hydroxide, 50 percent

i\. Sulfuric Acid, 92 percent

j\. Toluene

k\. Zinc Chloride‑Saturated

6\. Mar and Abrasion Resistance: Coating material shall have a pencil
hardness of 2HB4H with adhesion substantial enough to withstand both
direct and reverse impacts. Coating shall be capable of withstanding
scuffing, marring and other ordinary wear.

7\. Repairability: Coating material shall be capable to surface repair
in the event that a fixture is scratched or a surface rupture occurs.
The service fixture manufacturer shall have available an air‑drying
aerosol coating, formulated to match the existing epoxy coating color,
which maybe applied in the field to repair coated surfaces.

P. Faucet and Valve Handles: Chromeplated, 4‑arm type with removable
screw‑on type colored plastic discs with identification lettering
stamped on disc in a contrasting color as scheduled below.

**Disc Lettering**

**Service Color Color Lettering**

Steam Black White STM

Nitrogen Grey Black N2

Vacuum Yellow Black VAC

Gas Blue White GAS

Cold Water Green White CW

Hot Water Red White HW

Deionized Water White Black DI

Compressed Air Orange Black AIR

Purified Water White Black PW

Chilled Water Brown White CH

Q. Faucet and Valve Handles: Molded plastic with a colored screw‑on type
index disc. The handle and index disc shall be color coded to match the
fixture\'s service index color. Color code requirements for indexing
service fixtures shall be as follows:

**Disc Lettering**

**Service Color Color Lettering**

Steam Black White STM

Nitrogen Grey Black N2

Vacuum Yellow Black VAC

Gas Blue White GAS

Cold Water Green White CW

Hot Water Red White HW

Deionized Water White Black DI

Compressed Air Orange Black AIR

Purified Water White Black PW

Chilled Water Brown White CH

2.15 [EMERGENCY SHOWER AND EYEWASH UNITS]{.underline}

A. General: Emergency shower and eyewash units shall be furnished and
installed at point of use under this Section and connected to the
service piping systems under Division 15. Units shall meet the
requirements of ANSI Standard Z358.1.

B. Manufacturers: Water Saver Faucet Company, or Chicago Faucet Company.
Water Saver fitting numbers are referenced on the Drawings.

C. Emergency Showers:

1\. Deluge type with a pull-on, push-off control valve. Provide 3/8 inch
anodized aluminum control rod. Maximum height of rod with valve in the
closed position shall not exceed 69 inches.

2\. Deluge type with a push-paddle actuated control valve as detailed on
the Drawings.

3\. Shower head and flush ceiling collar shall be polished chromeplated.
Maximum mounting height of shower head shall be 96 inches.

4\. Valve shall be designed so that water flow remains on without
requiring use of the operator\'s hands.

5\. Chrome plate all exposed valves, piping, and associated devices.

D. Deck Mounted Eye, Face and Body Spray Units:

1\. Dual purpose eyewash/drench hose unit.

2\. The angled dual head body, valve, squeeze handle, and deck flange
shall be forged brass.

3\. Valve shall be self‑closing with a locking clip to hold the valve
open once the unit is activated.

4\. Provide unit with a dual, rubber bound, angled, soft spray head; a
polyurethane filter; an integral volume control; integral backflow
preventer; and a hinged stainless steel protective cover.

5\. Finish: Match laboratory service fitting finish.

6\. Provide with a gray high pressure PVC hose.

E. Deck Mounted Eyewash:

1\. Deck mounted, 90 degrees swivel eyewash units.

2\. Dual outlet heads, valve, and deck flange shall be forged brass.

3\. Provide with a push‑to‑operate, stay‑open ball valve.

4\. Unit shall have 2 soft stream heads with individual volume controls
and stainless steel protective covers.

5\. Finish: Match laboratory services fitting finish.

F. Recessed Swing‑Down Eye/Face Wash:

1\. Barrier free, wall mounted, swing‑down eye/face wash with recessed
stainless steel cabinet.

2\. Furnish and install units to meet the requirements of the Americans
With Disabilities Act (ADA).

3\. Cabinet: Type 304 stainless steel with Number 3 satin finish.

4\. All exposed valve components shall be polished chromeplated brass.

5\. Water flow shall be activated by swinging outlet heads from the
vertical to the horizontal position. Cabinet shall house a stay‑open
ball valve.

6\. Furnish with 2 soft spray heads.

7\. Provide with a wall mounted drench hose where indicated and detailed
on the Drawings.

G. Surface Mounted Swing‑Down Eye/Face Wash:

1\. Barrier free wall mounted swing‑down eye/face wash.

2\. Furnish and install units to meet the requirements of the Americans
with Disabilities Act (ADA).

3\. All exposed valve and piping components, including piping drops from
the ceiling, shall be polished chromeplated brass.

4\. Provide unit with Type 304 stainless steel bracket and housing.

5\. Water flow shall be activated by swinging outlet heads from the
vertical to the horizontal position. Unit shall have a stay‑open ball
valve within the housing assembly.

6\. Furnish with 2 soft spray heads.

7\. Provide with a wall mounted drench hose where indicated and detailed
on the Drawings.

2.16 [SHELVING]{.underline}

A. Adjustable Wall Shelving:

1\. Description: 1 inch thick plywood with a maximum span of 42 inches,
faced both sides with acid‑resistant plastic laminate. Band all edges
with 1/8 inch PVC. Color selection by the Owner\'s Representative.

2\. Retainer Strip: 1/4 inch thick by 2 inch high, clear Plexiglas
attached to front edge of shelving with screws at a maximum of 12 inches
on center.

3\. Retainer Rod: 1/4 inch diameter, Type 304, polished stainless steel
rod. Bend 90 degrees at 1‑1/2 inches from each end. Insert bent ends
into shelf to a depth of 1/2 inch with horizontal portion of rod at
1 inch above shelf.

4\. Standards: Double‑slotted type, 30 inches long unless otherwise
noted on Drawings. Satin zinc finish. Garcy Corporation, Number 3225;
E.B. Bradley, Number 44; or equal.

5\. Brackets: 16 gage metal with 3 blade hooks. Shelves shall be screwed
to each bracket. Brackets shall be painted with a baked enamel finish,
color selected by the Owner\'s Representative.

B. Adjustable Island Bench Shelving:

1\. Description: Adjustable island bench shelving supported from 2 inch
by 2 inch by 12 gage, floor mounted, vertical steel tubing.

2\. Shelves: 1 inch thick plywood with a maximum span of 3\'-0\", faced
both sides with acid‑resistant plastic laminate. Band all edges with
1/8 inch PVC. Color selection by the Owner\'s Representative.

3\. Retainer Strip: 1/4 inch thick by 2 inch high, clear Plexiglas
attached to front edge of shelving with screws at a maximum of 12 inches
on center.

4\. Retainer Rod: 1/4 inch diameter, Type 304, polished stainless steel
rod. Bend 90 degrees at 1‑1/2 inches from each end. Insert bent ends
into shelf to a depth of 1/2 inch with horizontal portion of rod at
1 inch above shelf.

5\. Backsplash: 1/2 inch thick by 2 inch high, clear Plexiglas attached
to rear edge of shelving with round head screws, with washers, maximum
12 inches on center.

6\. Standards: Double-slotted type, 30 inches long unless otherwise
noted on Drawings. Satin zinc finish. Garcy Corporation, Number 3225;
E.B. Bradley, Number 44; or equal. Mount to vertical steel tubing
support members.

7\. Brackets: 16 gage metal with 3 blade hooks. Shelves shall be screwed
to each bracket. Brackets shall be painted with a baked enamel finish,
color selected by the Owner\'s Representative.

C. Metal Wall Shelving:

1\. Description: 16 gage steel shelving with hat‑section reinforcing.
Units shall be interchangeable with wall hung cabinets.

2\. Standards: Double‑slotted type, 30 inches long with satin zinc
finish. Garcy Corporation, Number 3225; E.B. Bradley, Number 44;
or equal.

3\. Brackets: 16 gage metal with 3 blade hooks. Shelves shall be screwed
to each bracket. Brackets shall be painted with a baked enamel finish,
color selected by the Owner\'s Representative.

D. Heavy Duty Adjustable Wall Shelving:

1\. Description: 1 inch thick plywood with a maximum span of 60 inches,
faced both sides with acid‑resistant plastic laminate. Band all edges
with 1/8 inch PVC. Color selection by the Owner\'s Representative.

2\. Retainer Strip: 1/4 inch thick by 2 inch high, clear Plexiglas
attached to front edge of shelving with screws at a maximum of 12 inches
on center.

3\. Retainer Rod: 1/4 inch diameter, Type 304, polished stainless steel
rod. Bend 90 degrees at 1‑1/2 inches from each end. Insert bent ends
into shelf to a depth of 1/2 inch with horizontal portion of rod at
1 inch above shelf.

4\. Standards: Metal channel, Unistrut P‑1000, maximum spacing of
48 inches (1220 mm). Length of standard as indicated on the Drawings.
Paint with color selected by Owner\'s Representative.

5\. Brackets: Unistrut Series A2491 through A2497, left‑hand or
right‑hand, as indicated on the Drawings. Paint with color selected by
Owner\'s Representative.

2.17 [DRYING RACKS]{.underline}

A. Manufacturers: Mod‑Rack by Inter‑Dyne; PO Box 516; Spring Lake,
Michigan  49456.

B. Body: One piece, 20 gage, Type 304 stainless steel with a Number 4
finish. Provide top with two 90 degree bends and sides with one
90 degree bend. Bottom shall have two 90 degree bends to provide an
integral drip trough and catch drain. Provide front with a multiple of
T‑shaped holes to accommodate pegs.

C. Pegs: Injection molded white polypropylene, 1/2 inch diameter by
6 inches long. T‑shaped protrusion on base of pegs shall allow easy
removal and replacement without need for tools. Design T‑shaped holes to
fit protrusion on support pegs for holding single or multiple utensil
drip trays, drain shelves, funnel racks, or pipette holders. Provide
five 2‑3/4 inch peg extenders for each drying rack.

D. Drip Trough: 20 gage, Type 304 stainless steel with a 3/8 inch OD
stainless drain tube and a stainless steel screen insert. Screen shall
be 16 gage, 14 by 14 mesh, 0.025 wire.

E. Provide with hanger to allow removal and replacement of entire rack
for cleaning without need for tools.

F. Finished Backs: Provide with all units not mounted on walls.
Fabricate from 20 gage, Type 304 stainless steel with a Number 4 finish.

2.18 [UMBILICALS]{.underline}

A. Description: Construct of 18 gage sheet metal with collar at top.
Bottom curb shall be same material as benchtop, properly glued or
cemented to benchtop. Top collar shall be 16 gage sheet steel. Provide
1 inch by 1 inch, 18 gage angle at curb.

B. Umbilicals shall have removable sections for easy access to piping
and conduit. Exposed fasteners will not be allowed. Removal of sections
shall not disturb ceiling or benchtop. Hanger clips shall be constructed
of 18 gage sheet metal and spot welded to removable section.

C. On freestanding umbilicals provide a Unistrut, or equal, pipe support
channel, spot welded to the fixed enclosure section. On wall or corner
umbilicals, pipe support channel shall be attached to the wall.

D. Finish: Baked enamel with color selected by the
Owner\'s Representative.

2.19 [SERVICE LEDGES]{.underline}

A. Description: Construct service ledges of a metal framing system using
standard components as manufactured by Unistrut Corporation, Elcen,
Grinnell Power‑Strut, or equal. Assembly shall be as shown on the
Drawings and as detailed. Unistrut part numbers are referenced.

B. Tops and backsplashes shall be of the same material as adjacent
benchtops and splashes.

C. Securely anchor entire assembly to floor or wall.

2.20 [GAS CYLINDER RESTRAINTS]{.underline}

A. Description: Provide metal framing system members, fastened to the
wall or laboratory bench, for mounting of cylinder restraint devices.

B. Metal Framing System Components: Unistrut Corporation, Elcen,
Grinnell Power‑Strut, or equal. Unistrut Part Numbers are referenced.
Paint with color selected by the Owner\'s Representative.

C. Chain Restraints: Size 3/16 inch chain, Type 304 stainless steel,
length as required to restrain a standard 9 or 10 inch gas cylinder.
Provide male swivel hanger attached to metal framing system member and
an oval eye swivel hook, with spring latch, attached to each end of
the chain.

D. Strap Restraints: 1 inch wide nylon strapping fitted with safety belt
type buckles. Weblock Number 3699T16 strapping, Number 3699T11 buckles,
and Number 3699T14 quick disconnects; as distributed by McMaster‑Carr.

2.21 [SNORKELS]{.underline}

A. Support Assembly: Mounting bracket, rod, and support arm shall be
constructed of 14 gage, Type 304 stainless steel. Support assembly shall
allow for three dimensional adjustment of the cone position.

B. Cone, cone collar, and clamping rings shall be fabricated from
18 gage, Type 304 stainless steel.

C. Flexible Duct: Flexaust Company, Flexadux Model R‑2 or equal, white
in color, suitable for temperatures up to 160 degrees Fahrenheit.

D. Flexible Duct: McMaster‑Carr Number 5501K‑33, or equal, black, high
temperature flexible duct.

E. Flexible Duct: McMaster‑Carr Number 5515K44, or equal, Type 304
stainless steel flexible duct.

2.22 [SLEEVES IN COUNTERTOPS]{.underline}

A. Description: 14 gage, Type 304 stainless steel with a
Number 4 finish.

B. Extend sleeves 1 inch above the countertop and provide with a flange
on the bottom for fastening to the underside of the countertop. Install
with clear silicone sealant between the outside of the sleeve and the
countertop. Provide top edge of sleeve with a smooth radius to prevent
chafing of insulation on hoses.

2.23 [OVERHEAD SERVICE CARRIERS]{.underline}

A. Description: Construct of metal framing system components as
manufactured by Unistrut Corporation, Elcen, Grinnell Power‑Strut, or
equal. Unistrut part numbers are referenced.

B. The entire assembly, including diagonal braces, shall be securely and
rigidly fastened to structural slab above or to a structural grid
where provided.

C. Paint assembly with color selected by the Owner\'s Representative.

2.24 [UTILITY DROPS]{.underline}

A. Description: Construct of metal framing system components as
manufactured by Unistrut Corporation, Elcen, Grinnell Power‑Strut, or
equal. Unistrut part numbers are referenced.

B. Fasten members to overhead structure and to curbed opening in
benchtops. Vertical members are not required for wall mounted condition.

C. Paint with color selected by the Owner\'s Representative.

2.25 [SOURCE QUALITY CONTROL TESTING OF CASEWORK
METAL FINISH]{.underline}

A. Test Procedure: Apply 10 drops (approximately 0.5 cubic centimeters)
of each reagent identified to the surface of the finished test panes
laid flat and level on a horizontal surface. Ambient temperature:
68B72 degrees Fahrenheit. After 1 hour flush away chemicals with cold
water and wash surface with detergent and warm water at 150 degrees
Fahrenheit and with alcohol to remove surface stains. Examine surface
under 100 footcandles of illumination.

B. Evaluation Ratings: Change in surface finish and function shall be
described by the following ratings:

1\. Excellent: No change to slight detectable change in color or gloss.

2\. Good: Clearly discernible change in color or gloss. Finish remains
intact and protective with no significant impairment to function
or life.

3\. Failure: Obvious and significant deterioration, visible blistering,
bare spots, or roughness of surface.

C. Test Results: Submit a report of the test results. The results shall
be equal to or better than the following:

**Reagent Rating**

1\. Acetic Acid, 93 percent Excellent

2\. Formic Acid, 33 percent Good

3\. Hydrochloric Acid, 37 percent Excellent

4\. Nitric Acid, 25 percent Excellent

5\. Nitric Acid, 60 percent Good

6\. Phosphoric Acid, 75 percent Excellent

7\. Sulfuric Acid, 28 percent Excellent

8\. Sulfuric Acid, 85 percent Good

9\. Ammonium Hydroxide, 28 percent Excellent

10\. Sodium Hydroxide, 10 percent Excellent

11\. Sodium Hydroxide, 25 percent Excellent

12\. Acetone Excellent

13\. Carbon Tetrachloride Excellent

14\. Ethyl Acetate Excellent

15\. Ethyl Alcohol Excellent

16\. Ethyl Ether Excellent

17\. Formaldehyde, 37 percent Excellent

18\. Hydrogen Peroxide, 5 percent Excellent

19\. Methylethyl Ketone Excellent

20\. Phenol, 85 percent Good

21\. Xylene Excellent

2.26 [SOURCE QUALITY CONTROL TESTING OF EPOXY RESIN
WORK SURFACE]{.underline}

A. Test Procedure: Apply 5 drops of each reagent to surface and cover
with 25 mm watch glass, convex side down; test volatiles using 1 ounce
bottle stuffed with saturated cotton. After 24 hour exposure flush
surface, clean, rinse and wipe dry.

B. Evaluation Ratings: Change in surface finish and function shall be
described by the following ratings:

1\. No Effect: No detectable change in surface material.

2\. Excellent: Slight detectable change in color or gloss, but no change
to the function or life of the work surface material.

3\. Good: Clearly discernible change in color or gloss, but no
significant impairment of work surface function or life.

4\. Fair: Objectionable change in appearance due to surface
discoloration or etch, possibly resulting in deterioration of function
over an extended period.

5\. Failure: Pitting, cratering or erosion of work surface material;
obvious and significant deterioration.

C. Test Results: Submit a report of the test results. The results shall
be equal to or better than the following:

**Reagent Rating**

1\. Hydrochloric Acid, 37 percent Excellent

2\. Sulfuric Acid, 33 percent No Effect

3\. Sulfuric Acid, 77 percent No Effect

4\. Sulfuric Acid, 96 percent Failure

5\. Formic Acid, 90 percent Excellent

6\. Nitric Acid, 20 percent Excellent

7\. Nitric Acid, 30 percent Excellent

8\. Nitric Acid, 70 percent Good

9\. Hydrofluoric Acid, 48 percent Fair

10\. Phosphoric Acid, 85 percent No Effect

11\. Chromic Acid, 60 percent Failure

12\. Acetic Acid, 98 percent Excellent

13\. 3 & 8 Equal Parts Excellent

14\. Ammonium Hydroxide, 28 percent No Effect

15\. Sodium Hydroxide, 10 percent No Effect

16\. Sodium Hydroxide, 20 percent No Effect

17\. Sodium Hydroxide, 40 percent No Effect

18\. Sodium Hydroxide Flake No Effect

19\. Sodium Sulfide Excellent

20\. Zinc Chloride No Effect

21\. Tincture of Iodine Excellent

22\. Silver Nitrate No Effect

23\. Methyl Alcohol No Effect

24\. Ethyl Alcohol No Effect

25\. Butyl Alcohol No Effect

26\. Benzene Excellent

27\. Xylene No Effect

28\. Toluene Excellent

29\. Gasoline No Effect

30\. Dichloroacetic Acid Good

31\. Dimethylformamide Excellent

32\. Ethyl Acetate No Effect

33\. Amyl Acetate Excellent

34\. Acetone Excellent

35\. Chloroform Excellent

36\. Carbon Tetrachloride No Effect

37\. Phenol Excellent

38\. Cresol Excellent

39\. Formaldehyde No Effect

40\. Trichlorethylene Excellent

41\. Ethyl Ether Excellent

42\. Furfural Good

43\. Methylene Chloride Excellent

44\. Monochlorobenzene Good

45\. Dioxane Excellent

46\. Methylethyl Ketone Excellent

47\. Acid Dichromate Fair

48\. Hydrogen Peroxide No Effect

49\. Naphthalene Excellent

2.27 [SOURCE QUALITY CONTROL TESTING OF PLASTIC LAMINATE
WORK SURFACE]{.underline}

A. Test Procedure: Apply five (5) drops of each reagent to surface and
cover with watchglass. Saturate 1 inch glass wool balls with 3 cc of
solvent and cover with a small beaker. After 16 hours, wash off reagents
and solvents with clear water and let dry.

B. Evaluation Ratings: Change in surface finish and function shall be
described by the following ratings:

A = Unaffected

B = Very slight stain or roughening

C = Raised or roughened

C. Test Results: Submit a report of the test results. The test results
shall be equal to or better than the following:

**Acids Results**

1\. Nitric, 70 percent C

2\. Glacial Acetic A

3\. Sulfuric, 77 percent A

4\. Sulfuric, 96 percent C

5\. Hydrochloric, 37 percent A

6\. Phosphoric, 75 percent A

7\. Phosphoric, 90 percent A

8\. Formic, 50 percent A

9\. Formic, 90 percent A

10\. Acetic, 10 percent A

11\. Acetic, 98 percent A

12\. Hydrofluoric Acid, 48 percent B

13\. Aqua Regia A

14\. Chromium Trioxide B

15\. Perchloric Acid A

16\. Uric acid A

**Solvents Results**

17\. Carbon Tetrachloride A

18\. Carbon Disulfide A

19\. Acetone A

20\. Formaldehyde A

21\. Methanol A

22\. Ethyl Acetate A

23\. Toluene A

24\. n‑Hexane A

25\. Ethyl Ether A

26\. Chloroform A

27\. Phenol, 40 percent B

28\. Phenol, 85 percent B

29\. Benzene A

30\. Xylene A

31\. Butyl Alcohol A

32\. Amyl Alcohol A

33\. Amyl Acetate A

34\. Cresol A

35\. Methylene Chloride A

36\. Methylethyl Ketone A

37\. Naphthalene A

**Bases Results**

38\. Sodium Hydroxide, 40 percent A

39\. Sodium Sulfide A

40\. Ammonium Hydroxide, 28 percent A

**General Reagents Results**

41\. Sodium Hypochlorite, 5 percent A

42\. Calcium Hypochlorite A

43\. Hydrogen Peroxide, 3 percent A

44\. Gasoline A

45\. Kerosene A

46\. Mineral Oil A

47\. Silver Nitrate, 10 percent A

2.28 [SOURCE QUALITY CONTROL TESTING OF IMPREGNATED NATURAL STONE
WORK SURFACE]{.underline}

A. Test Procedure: Apply 5 drops of each reagent to surface and cover
with 25 mm watch glass, convex side down; test volatiles using 1 ounce
bottle stuffed with saturated cotton. After 24 hour exposure flush
surface, clean, rinse and wipe dry.

B. Evaluation Ratings: Change in surface finish and function shall be
described by the following ratings:

1\. No Effect: No detectable change in surface material.

2\. Excellent: Slight detectable change in color or gloss, but no change
to the function or life of the work surface material.

3\. Good: Clearly discernible change in color or gloss, but no
significant impairment of work surface function or life.

4\. Fair: Objectionable change in appearance due to surface
discoloration or etch, possibly resulting in deterioration of function
over an extended period.

5\. Failure: Pitting, cratering, or erosion of work surface material;
obvious and significant deterioration.

C. Test Results: Submit a report of the test results. The results shall
be equal to or better than the following:

**Reagent Rating**

1\. Hydrochloric Acid, 37 percent No Effect

2\. Sulfuric Acid, 33 percent No Effect

3\. Sulfuric Acid, 77 percent No Effect

4\. Sulfuric Acid, 96 percent Good

5\. Formic Acid, 90 percent No Effect

6\. Nitric Acid, 20 percent Excellent

7\. Nitric Acid, 30 percent Excellent

8\. Nitric Acid, 70 percent Excellent

9\. Hydrofluoric Acid, 48 percent No Effect

10\. Phosphoric Acid, 85 percent No Effect

11\. Chromic Acid, 60 percent Excellent

12\. Acetic Acid, 98 percent No Effect

13\. 3 & 8 Equal Parts Excellent

14\. Ammonium Hydroxide, 28 percent No Effect

15\. Sodium Hydroxide, 10 percent No Effect

16\. Sodium Hydroxide, 20 percent No Effect

17\. Sodium Hydroxide, 40 percent No Effect

18\. Sodium Hydroxide Flake No Effect

19\. Sodium Sulfide No Effect

20\. Zinc Chloride No Effect

21\. Tincture of Iodine No Effect

22\. Silver Nitrate No Effect

23\. Methyl Alcohol No Effect

24\. Ethyl Alcohol No Effect

25\. Butyl Alcohol No Effect

26\. Benzene Excellent

27\. Xylene No Effect

28\. Toluene No Effect

29\. Gasoline No Effect

30\. Dichloroacetic Acid No Effect

31\. Dimethylformamide No Effect

32\. Ethyl Acetate Excellent

33\. Amyl Acetate Excellent

34\. Acetone No Effect

35\. Chloroform Excellent

36\. Carbon Tetrachloride Excellent

37\. Phenol No Effect

38\. Cresol No Effect

39\. Formaldehyde No Effect

40\. Trichlorethylene No Effect

41\. Ethyl Ether No Effect

42\. Furfural Excellent

43\. Methylene Chloride No Effect

44\. Monochlorobenzene Excellent

45\. Dioxane Excellent

46\. Methylethyl Ketone Excellent

47\. Acid Dichromate Excellent

48\. Hydrogen Peroxide No Effect

49\. Naphthalene No Effect

D. No effect other than slight discoloration when subjected for
5 minutes to a Bunsen burner flame length of 4 inches and a 2 inch
inner core.

[PART 3  EXECUTION]{.underline}

3.01 [INSTALLATION]{.underline}

A. Casework Installation:

1\. Install, plumb, level, true and straight with no distortions. Shim
as required, using concealed shims. Securely anchor to building
structure. Where laboratory furniture abuts other finished work, scribe
and apply filler strips for accurate fit with fasteners concealed
where practicable.

2\. Installation of each individual bench run shall start at the high
point of the floor under that bench run with levelers screwed in as much
as possible.

3\. Where required, assemble units into one integral unit with joints
flush, tight, and uniform. Align similar adjoining doors and drawers to
a tolerance of 1/16 inch.

4\. Adjust casework and hardware so that doors and drawers operate
smoothly without warp or bind. Lubricate operating hardware as
recommended by Manufacturer.

5\. Tall cabinets, fume hood superstructures and OSHA cabinets shall be
securely fastened to solid support material near top of cabinet.

B. Wall Cabinet Installation:

1\. Securely fasten to solid supporting material, not plaster, lath, or
wallboard. Anchor, adjust, and align wall cabinets as specified for
base cabinets.

2\. Reinforcement of stud walls to support wall mounted cabinets shall
be done during wall erection by trade involved. Responsibility for
accurate location and sizing of reinforcement is part of this work and
shall be indicated on Shop Drawings.

C. Work Surface Installation:

1\. Field jointing where practicable, shall be made in same manner as
factory jointing using dowels, splines, adhesives, and fasteners
recommended by Manufacturer. Locate field joints as shown on accepted
Shop Drawings, factory prepared so that there is no job site processing
of top and edge surfaces.

2\. Abut top and edge surfaces in 1 true plane, with internal supports
placed to prevent any deflection.

3\. Provide all holes and cutouts as required for built‑in equipment and
mechanical and electrical service fixtures. Prior to making openings,
verify size of opening with actual size of equipment to be used. Form
inside corners to a radius of not less than 1/8 inch. After sawing, rout
and file cutouts to ensure smooth, crack‑free edges. Seal exposed edges
after cutting with a waterproofing material recommended by manufacturer.

4\. Secure tops to support with concealed Z‑type, angle‑type fastening
or equivalent devices spaced no more than 3 feet on centers.

5\. Plastic laminate worktop joints shall be 1/4 inch diameter bolt type
\"dog‑bone\" or \"tite‑joint\" fasteners routed into bottom surface of
worktops. Provide flush hairline joints in top units.

D. Sink Installation: Sinks which were not factory installed shall be
set in chemical resistant sealing compound and secured and supported per
manufacturer\'s recommendations.

E. Accessory Installation: Install accessories and fittings in
accordance with manufacturer\'s recommendations.

3.02 [ADJUSTING]{.underline}

A. Repair or remove and replace defective work, as directed by the
Owner\'s Representative upon completion of installation.

B. Adjust doors, drawers, hardware, fixtures and other moving or
operating parts to function smoothly.

3.03 [CLEANING AND PROTEC­TION]{.underline}

A. Clean shop finished casework, touch up as required, and remove and
refinish damaged or soiled areas.

B. Cover casework for protection against soiling and deterioration
during remainder of construction period.

C. Clean countertops with diluted dishwashing liquid and water leaving
tops free of all grease and streaks. Use no wax or oils.

D. If steel wool is used in cleaning stainless steel, use only
stainless wool.

E. Casework shall be protected before, during, and after installation.
Materials damaged due to improper protection shall be cause
for rejection.

END OF SECTION