**November 21, 1997**

**Contract \# TW-0928**

**SPECIAL SPECIFICATION**

**SECTION 11640 -S**

**[MISCELLANEOUS LABORATORY EQUIPMENT]{.underline}**

[Page]{.underline}

[PART 1 - GENERAL]{.underline}

1.01 Summary 2

1.02 Submittals and Substitutions 2

1.03 Quality Assurance 3

1.04 Delivery, Storage, and Handling 3

1.05 Project Conditions 3

1.06 Warranty 3

[PART 2 - PRODUCTS]{.underline}

2.01 Flammable Storage Cabinets 3

2.02 Tall Metal Storage Shelving 4

2.03 Balance Tables 4

2.04 High Purity Water Units 5

2.05 Modular Gas Cabinets 5

[PART 3 - EXECUTION]{.underline}

3.01 Installation 8

3.02 Adjusting 8

3.03 Cleaning and Protections 9

**SPECIAL SPECIFICATION**

**SECTION 11640-S**

**[MISCELLANEOUS LABORATORY EQUIPMENT]{.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 1 ‑ GENERAL]{.underline}

1.01 [SUMMARY]{.underline}

A. Section Includes:

1\. Flammable Storage Cabinets

2\. Tall Metal Storage Shelving

3\. Balance Tables

4\. High Purity Water Units

5\. Modular Gas Cabinets

B. Related Sections:

1\. Division 15: Furnishing and installation of plumbing utilities and
final

connections to service fittings.

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

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

1.02 [SUBMITTALS and SUBSTITUTIONS:]{.underline}

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

B. Manufacturer\'s operating and maintenance manuals.

> C. Submit the above in accordance with section 1300-S.
>
> D. Substitutions on any of the listed manufacturers in this
> specification shall be performed per the requirements of section
> 1600-S.

1.03 [QUALITY ASSURANCE]{.underline}

A. Manufacturer shall have at least 5 years experience in the
fabrication of the specified equipment and shall have 10 installations
of equal or larger size.

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

A. Delivery: Schedule delivery of 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.

1.05 [PROJECT CONDITIONS]{.underline}

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

1\. Windows and doors are installed and the building is secure
and weathertight.

2\. Ceiling, overhead ductwork, and lighting are installed.

3\. All painting is completed and floor tile is installed.

1.06 [WARRANTY]{.underline}

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

[PART 2 -  PRODUCTS]{.underline}, [Substitutions]{.underline}: only
under provisions of Section 1600-S.

2.01 [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 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: FLAMMABLECKEEP 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.

2.02 [TALL METAL STORAGE SHELVING]{.underline}

A. Manufacturers: V‑Grip Shelving/Storage Systems as manufactured by
Equipto Shelving; Aurora, Illinois  60507. 765‑7 Series, or
approved equal.

B. Size: 7 feet high with 5 adjustable shelves with top and bottom
shelves fixed. Widths and depths as indicated on plans.

C. Construction: Shelving shall be a modular assembly of 13 gage steel
uprights and 18 gage reinforced adjustable shelves painted in stock
colors. Units shall have reinforced backs and ends.

2.03 [BALANCE TABLES]{.underline}

A. Manufacturer: Waller Brothers Stone Company, McDermott, Ohio; VWR
Scientific, PO Box 13007, Station K, Atlanta, Georgia  30324,
(404) 262‑3141; Fischer Scientific, 3315 Winton Road, PO Box 11666,
Raleigh, North Carolina  27604; or approved equal.

B. Size: 35 inches long by 30 inches high by 24 inches wide.

C. Construction: 3 inch thick black epoxy impregnated sandstone slabs.
Vertical supports shall be held in place by a metal pipe with end
flange. Provide two 1/2 inch thick rubber isolators for placement
between leg slabs and floor.

2.04 [HIGH PURITY WATER UNITS]{.underline}

A. Manufacturers: Millipore Corporation, Bedford, Massachusetts or
Barnstead/Thermolyne Corporation, Dubuque, Iowa.

B. Type: Wall mounted unit capable of producing 1.5 liters of Type I,
reagent grade water meeting CAP Type I and ASTM Type I Specifications,
10 to 18 megohm-cm resistivity at 25 degrees Celsius.

C. Construction: Unit shall consist of a prefilter cartridge, an
activated charcoal cartridge, two deionization cartridges, and a final
filter. Provide with pump, inlet pressure regulator, resistivity sensor,
and all valves, piping and controls for automatic operation.

D. Electrical: 120 volt, 60 Hertz, single phase, 1.0 amp.

2.05 [MODULAR GAS CABINETS]{.underline}

A. Manufacturers:

1\. Spectra Gases, Inc.

277 Coit Street

Irvington, New Jersey 07111

(800) 932‑0624

2\. Semi Gas Systems, Inc.

Division of Hercules Inc.

625 Wool Creek Drive

San Jose, California 95112

(800) 227‑7468

3\. Scott Specialty Gases

Route 611

Plumsteadville, Pennsylvania 18949

(215) 766‑0320

B. Cabinet Construction:

1\. Each gas cabinet shall be constructed of a minimum of 12 gage steel.
The cabinet shall be welded and coated with a corrosion resistant
epoxy paint.

2\. Door: Full length door with automatic closer and a flush mounted
door handle with lock.

3\. Window: Manufactured of either 1/2 inch wire reinforced safety glass
or 0.25 inch Lexan. The window shall be hinged with automatic closer and
key lock.

4\. Adjustable cylinder brackets and straps shall be provided for each
cylinder the gas cabinet can hold.

5\. Shelves: Vertically adjustable to accommodate different sizes of
standard gas cylinders.

6\. Color selection by the Owner\'s Representative from one of the
manufacturer\'s standard colors.

C. Cabinet Accessories:

1\. Sprinkler Head: UL approved, rated at 165 degrees Fahrenheit.

2\. The inlet air supply in the bottom of each door shall have a filter
screen and a fusible link to close it off upon the entry of high
temperature air.

3\. Each gas cabinet shall have a rubber mat on the floor of
the cabinet.

4\. All wiring and tubing in the cabinets shall be standardized and
color coated.

5\. Provide bulkhead connectors for all lines entering or exiting the
cabinet that will enable a continuous tube run without breaks.

6\. Exhaust air shall enter at the bottom of the cabinet and sweep the
complete interior of the cabinet to the smooth nonrestricting gas
transition at the top of the cabinet. A 6 inch vent connection shall be
provided at the top of each cabinet for connection to the building
exhaust system.

D. Piping Purge Assembly:

1\. All piping in the gas cabinet shall by Type 316L stainless steel
electro‑polished tubing with an internal surface finish better than
15 RA. All permanent connections are to be butt‑welded. Removable
components in the process line to have VCR connections. Nupro 1/4 turn
diaphragm valves shall be used and shall have color‑coded handles.
Process line valves shall have red handles, purge line valves shall have
green handles, and vent valves shall have white handles.

2\. A flow limiting orifice shall be permanently installed in the CGA
connection of the pigtail. The pigtail shall be a deep purge
configuration on the process gas panel. Design shall allow connection to
cylinders ranging in height from 48 to 56 inches. Purge nitrogen shall
be introduced into the process system at the CGA connection. The pigtail
assembly shall be securely anchored to the panel and supported at the
CGA connection by a roof‑mounted chain. The CGA connection shall be
protected when not in service with a stainless steel dust cap and a
securing chain. A purge line check valve shall be provided to prevent
decontamination. Provide 316L stainless steel electronic regulators for
the process panel.

3\. Provide high pressure vent check valve to prevent back‑contamination
of the process gas‑wetted surfaces and low pressure vent check valve to
prevent backflow into the process lines. Provide vacuum venturi
generator to generate 20 to 25 inches Hg vacuum at the CGA connection.
Provide dual in‑line venturi generator nitrogen check valves to prevent
back‑contamination into house nitrogen system.

4\. A 100 psig safety relief valve to protect against
over‑pressurization of process line. Excess flow device shall be
provided. In‑line high pressure filter shall be provided. Process gas
check valve shall be provided. Provide pneumatically actuated automatic
shutoff valve on process pigtail. All major components shall be
removable from the mounting panel without detaching the panel from
the cabinet.

5\. The process panel shall have a high pressure transducer and low
pressure transmitter for closed loop control. All valve openings and
closings shall be verifiable from independent pressure sensors. Provide
pneumatic door interlocking system to prevent cabinet door from being
opened unless the system has been safely purged and the process gas
cylinder valve has been closed. Startup of the system shall be prevented
unless the door is closed and latched. Critical alarms shall be
hardwired in addition to going through the microprocessor.

6\. Provide simple autopurge operation with 3 push buttons which shall
provide a simple way of purging the panel.

E. Leak Detection System:

1\. Each room shown on the plans with gas cabinets shall be equipped
with a leak detection monitor and alarm.

2\. Air sampling tubing shall connect the gas cabinets to a central
monitoring station. An audible and visual alarm shall be transmitted
from the central monitoring station back to the affected room.

3\. The central monitoring system shall have the capability to sense all
gases contained within cylinders in the gas cabinets.

4\. Install central monitoring unit with back plane 6 inches from wall
to allow for tubing and wiring connections.

5\. Unit shall be as manufactured by MDA Scientific, Inc. or
approved equal.

F. Testing:

1\. All piping and tubing systems shall be pressure tested and leak
checked using a helium gas spectrometer leak detector with inboard ad
valve set testing performed at 1x10^‑9^ cc/second of helium limit, and
outboard testing performed a 1x10^-7^ cc/second helium limit. The entire
system shall be tested so that all features are properly operating.

[PART 3 -  EXECUTION]{.underline}

3.01 [INSTALLATION]{.underline}

A. Miscellaneous laboratory equipment shall be installed in strict
accordance with the manufacturer\'s recommendations, including
recommended operating and servicing clearances.

B. Mechanical hookups under Division 15.

C. Electrical hookups under Division 16.

D. Check project for conditions that affect work. Do not begin
installation until unsatisfactory conditions are corrected.

3.02 [ADJUSTING]{.underline}

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

B. Adjust moving or operating parts to function smoothly.

3.03 [CLEANING AND PROTECTION]{.underline}

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

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

C. Equipment shall be protected before, during and after installation.
Damaged materials due to improper protection shall be cause
for rejection.

END OF SECTION