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SECTION 11612
BIOLOGICAL SAFETY CABINETS
NOTE ** Labconco Corporation, biological safety cabinets.
NOTE **
NOTE ** This section is based on the products of Labconco
Corporation, which is located at:
NOTE ** 8811 Prospect Avenue
NOTE ** Kansas City, MO 64132
NOTE ** Tel: (816) 333-8811
NOTE ** Tel: (800) 821-5525
NOTE ** Fax: (816) 363-0130
NOTE ** E-mail: labconco@labconco.com
NOTE ** Home Page: www.labconco.com
NOTE ** Labconco Corporation is a manufacturer of
laboratory equipment, including fume hoods, self-
contained filtered laboratory enclosures, and
biological safety cabinets. This section covers
part of their product line: "Purifier" Class II,
Type A and A/B3 biological safety cabinets in 3, 4,
and 6 foot (0.914, 1.219, and 1.829 m) widths. See
their other sections for laboratory fume hoods and
self-contained filtered laboratory enclosures.
NOTE **
NOTE ** SECTION 11612 - BIOLOGICAL SAFETY CABINETS,
Copyright 1998, The Architect's Catalog, Inc.
PART 1 GENERAL
1.1 SECTION INCLUDES
NOTE ** Delete item below not required for project. If
both types of biological safety cabinet are
required for project, carefully modify this section
for specific applications.
A. Bench-mounted Class II, Type A biological safety
cabinets.
B. Bench-mounted Class II, Type A/B3 biological safety
cabinets.
1.2 RELATED SECTIONS
NOTE ** Delete any sections below not relevant to this
project; add others as required.
A. Section 11600 - Laboratory Equipment
B. Section 12351 - Laboratory Casework
C. Section 15400 - Plumbing Fixtures and Equipment
D. Section 16200 - Electrical Power
1.3 REFERENCES
NOTE ** Delete references below that are not required by
the text of the edited section. The first three
are for 115V/60Hz models only; the last two are for
230V/50Hz models only. Add other references as
required.
A. CAN/CSA - C22.2 No. 1010.1.
B. NSF International - Standard 49 for Biohazard Cabinetry.
C. UL - Standard 3101-1.
D. CE (European Community) - Electrical Safety Standard IEC
1010-1.
E. CE (European Community) - Electromagnetic Compatibility
Directive 89/336/EEC.
F. ______________________________________.
1.4 SUBMITTALS
A. Submit under provisions of Section 01300.
B. Product Data: Manufacturer's product data, including
physical properties and application instructions.
C. Shop Drawings: Prepared specifically for this project;
show dimensions and interface with other products.
NOTE ** If required, include paragraph below for 115V/60Hz
models, only.
D. Test Results: Ensure compliance with NSF 49.
1.5 QUALITY ASSURANCE
A. Maintain testing facility at manufacturer's place of
business for performance testing bench-mounted Class II,
Type A and A/B3 safety cabinets.
NOTE ** Include paragraph below for 115V/60Hz models, only.
B. Safety cabinets wired for 115V/60Hz:
1. Meet or exceed NSF Standard 49 minimum requirements
and bear NSF Mark.
2. Pass complete NSF biological challenge testing at
downflow and inflow velocities of plus or minus 10
feet per minute (3.048 m/min) from manufacturer's
nominal set point.
3. Abridged or altered test methodology is unacceptable.
4. Meet or exceed UL Standard 3101-1 and CAN/CSA C22.2
No. 1010.1 minimum requirements.
NOTE ** Include first subparagraph below for projects in
the United States, the second subparagraph for
projects in Canada.
5. Carry ETL Testing Laboratories seal.
6. Carry ETL-C Testing Laboratories seal.
NOTE ** Include paragraph below for 230V/50Hz models, only.
C. Safety cabinets wired for 230V/50Hz:
1. Conform to CE (European Community) requirements as
tested by Inchcape Testing Services (UK) LTD:
Electrical Safety Standard IEC 1010-1 and
Electromagnetic Compatibility Directive 89/336/EEC.
D. Make manufacturing facility, testing facility, and
quality control procedures available for owner
inspection.
1.6 DELIVERY, STORAGE, AND HANDLING
A. Deliver bench-mounted biological safety cabinets and
accessories free of damage.
B. Store and handle in a manner to prevent damage to
biological safety cabinets, work surfaces, accessories,
or adjacent work.
1.7 WARRANTY
A. Warrant against defects in materials and workmanship on
biological safety cabinets and accessories; include labor
and replacement parts (except HEPA filters and lamps).
B. Warranty Period: Two years from date of installation or
three years from date of purchase, whichever is sooner.
PART 2 PRODUCTS
2.1 MANUFACTURERS
A. Acceptable Manufacturer: Provide products made by
Labconco Corporation, 8811 Prospect, Kansas City, MO
64132. ASD. Tel: (816) 333-8811 or (800) 821-5525.
Fax: (816) 363-0130.
B. Requests for substitutions will be considered in
accordance with provisions of Section 01600.
NOTE ** Delete paragraph above or below; coordinate with
Division 1 requirements.
C. Substitutions: Not permitted.
D. Provide all biological safety cabinets from a single
manufacturer.
2.2 MANUFACTURED UNITS
A. Bench-Mounted Biological Safety Cabinets:
NOTE ** Select size(s) from three paragraphs below or
delete all three paragraphs if drawings indicate
size(s).
1. 38-3/16 inches wide, 58-11/16 inches high, 30-1/4
inches deep (970 x 1490 x 768 mm).
2. 50-3/16 inches wide, 58-11/16 inches high, 30-1/4
inches deep (1275 x 1490 x 768 mm).
3. 74-3/16 inches wide, 58-11/16 inches high, 30-1/4
inches deep (1885 x 1490 x 768 mm).
NOTE ** Select paragraph(s) below relevant to project.
4. 115 volts, 60 Hz models.
5. 230 volts, 50 Hz models.
2.3 MATERIALS
A. Steel: Cold-rolled, 18 gage, epoxy coated.
B. Stainless Steel: 16 gage, Type 304.
C. Safety Glass: 3/8 inch (9 mm) tempered.
2.4 COMPONENTS
A. HEPA Filters: Industry-standard size, 99.99 percent
efficient on particles 0.000012 inch (0.3 micrometers) or
larger, without requiring modification for installation.
B. Fluorescent Lighting: 80-150 foot-candles (861-1615
lm/sq. m) on work surface.
C. Motor: 1/3 horsepower (248.5 W), thermally protected,
capacitor run type.
D. Wiring Harnesses: Color coded, alphanumerically labeled
for identification; removable wire tags shall not be
used.
E. Speed Control: Solid state, load rated for 25 amps.
1. Hold motor within 1 volt of setting regardless of
line voltage fluctuations above motor voltage
setting.
2. Start cabinet blower at full line voltage for
approximately 1 second before controlling motor
voltage at preset level.
F. Electrical Duplexes with Splash Covers.
1. Ground fault interrupters for certain models.
G. Internal Ductwork: Epoxy coated steel permanently welded
in place.
H. Internal Balancing Damper: Sliding guillotine type.
I. Drain Trough (beneath work tray): Equipped with 3/8 inch
(9.5 mm) ball-type drain valve.
NOTE ** Select the following optional components as
required for project.
J. Service Fixtures: Chrome-plated brass, quarter-turn, on-
off style.
K. Ultraviolet Light: Preheat style, type G30T8 or
equivalent, 30 watt, 254 nanometer germicidal lamp.
L. Unassembled Base Stand: Epoxy coated steel; include
assembly instructions.
2.5 FABRICATION
A. Design: True laminar (uniform) downflow as defined in
NSF Standard 49.
1. Nominal Downflow and Inflow:
NOTE ** Select one or both of the following subparagraphs
as required for project.
a. 10 inch (250 mm) Work Access Opening: 80 feet
per minute, plus or minus 5 feet per minute
(24.38 m/min, plus or minus 1.52 m/min).
b. 8 inch (200 mm) Work Access Opening: 105 feet
per minute, plus or minus 5 feet per minute
(32.00 m/min, plus or minus 1.52 m/min).
2. Supply and Exhaust HEPA Filters: Secure by spring-
loaded clamps in upper cabinet assembly, compensating
for gasket compression; removable from cabinet front.
3. Major Electronic Components (Speed Control, Ballasts,
Starters, Switches, Motor Capacitors, Circuit
Breakers): House in removable module for service or
testing.
4. Connections to Speed Control Wiring Harness: Key to
prevent cross connections
5. Differential Pressure Gage: Connect to negative
pressure duct.
6. Motor Mounting System: Permanent part of motor
housing.
7. Electrical Duplex Outlets: Activated from control
panel area with their own circuit breaker.
8. Power Cord: 8 feet (2.44 m) long, connect to cabinet
by suitable keyed connector (IEC 320 AC inlet
connector or equivalent). Permanently attached cords
with strain relief connectors shall not be used.
9. Motor/Blower, Lighting System, and Electrical
Outlets: Controlled by separate switches with
separate circuit breakers.
10. Electrical Connection Box: Mount on rear panel,
removable to allow passage through 30-inch (762 mm)
wide doorway.
11. Sound Level: 67 dbA or less when measured in
accordance with NSF Standard 49.
B. Liner Assembly; Sides, Rear, and Bottom: Welded
construction, no silicone sealant or solder to seal
surfaces.
C. Upper Cabinet Assembly: Rolled steel without exposed
bolts or screws. Construct so that positive pressure
contaminated plenums are surrounded by negative pressure
plenums. Design so that all major service operations can
be performed from front of cabinet.
D. Work Surface and Front Intake Grille: Single piece
welded construction, radiused corners; removable without
disconnecting fasteners.
E. Sash: Pivoting type, with provisions to lock in
operating, loading, or cleaning positions; positioning
shall not require cables, counterweights, or springs.
1. Design so that inner and outer surfaces can be
cleaned without disassembly.
2. Removal not required for routine filter or
motor/blower service.
F. Electrical Duplex Outlets: Mount on back wall of
stainless steel liner, one on each side.
G. Cabinet shall accommodate up to 4 service fixtures.
PART 3 EXECUTION
3.1 EXAMINATION
A. Verify equipment rough-in before proceeding with work.
B. Coordinate with other trades for proper installation of
plumbing and electrical services and for rough opening
dimensions required for hood installation.
3.2 INSTALLATION
A. Install in accordance with manufacturer's instructions;
comply with standards required by authorities having
jurisdiction.
B. Install equipment plumb, square, and straight, without
distortion; securely anchor.
C. Schedule installation to ensure that utility connections
are achieved in an orderly and expeditious manner.
3.3 FIELD QUALITY CONTROL
A. Qualified independent certifier shall certify biological
safety cabinet before use, performing tests recommended
in NSF International Standard No. 49.
3.4 ADJUSTING AND CLEANING
A. Clean equipment, casework, countertops, and other
surfaces as recommended by manufacturer, rendering work
in new and unused appearance.
B. Clean adjacent construction and surfaces soiled in the
course of installation of this work.
C. Touch up minor damaged surfaces caused by installation.
Replace damaged components as directed by Architect.
3.5 PROTECTION
A. Provide protective measures to prevent equipment and
surfaces from exposure to other construction activity.
END OF SECTION