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: "Protector" laboratory fume hoods; bench-mounted types, by-pass and auxiliary air design configurations, vapor-proof and explosion-proof electrical configurations, with accompanying service fixtures, as well as by-pass air design radioisotope, perchloric acid, and walk-in type fume hoods. See their other sections for self-contained filtered laboratory enclosures and biological safety cabinets.
NOTE **
NOTE ** SECTION 11610 - LABORATORY FUME HOODS, Copyright 1998, The Architect's Catalog, Inc.
PART 1 GENERAL
1.1 SECTION INCLUDES
NOTE ** Delete items below not required for project. If multiple types or sizes of fume hoods are required for project, carefully modify this section for specific applications.
A. Fiberglass bench-mounted fume hoods.
B. Stainless steel radioisotope fume hoods with automatic by-pass air flow system for use with remotely-located motor/blower.
C. Stainless steel perchloric acid fume hoods with automatic by-pass air flow system for use with remotely-located motor/blower.
D. Fiberglass walk-in fume hoods with automatic by-pass air flow system for use with remotely-located motor/blower.
1.2 RELATED SECTIONS
NOTE ** Delete 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.
D. Section 16200 - Electrical.
1.3 REFERENCES
NOTE ** Delete references from the list below that are not actually required by the project; add others as required.
A. AGA - American Gas Association.
B. ANSI Z 9.5 - Laboratory Ventilation.
C. ASHRAE 110 - Method of Testing Performance of Laboratory Fume Hoods.
D. ASTM E 84 - Surface Burning Characteristics of Building Materials.
E. CGA - Canadian Gas Association.
F. NFPA 45 - Fire Protection for Laboratories Using Chemicals.
G. SEFA 1 - Laboratory Fume Hoods.
H. ________________________________.
1.4 SUBMITTALS
A. Submit under provisions of Section 01300.
B. Product Data: Manufacturer's catalog data, specification sheets, and product manuals.
C. Shop Drawings: Prepared specifically for this project; show dimensions and interface with other products.
D. Selection Samples: Hood exterior wall material, interior liner and baffle, epoxy work surface material, and front panel color chips.
1.5 QUALITY ASSURANCE
A. Maintain testing facility at manufacturer's place of business for testing and evaluating laboratory fume hoods under both ideal and adverse conditions, in accordance with ASHRAE Standard 110.
B. Make manufacturing facility, testing facility, and quality control procedures available for owner inspection.
C. Manufacturer Qualifications: Minimum 5 years manufacturing fume hoods as a principal product.
1.6 DELIVERY, STORAGE AND HANDLING
A. Deliver fume hoods, work surfaces, and accessories free of damage.
B. Store and handle in a manner to prevent damage to fume hoods, work surfaces, accessories, or adjacent work.
1.7 WARRANTY
A. Warrant against defects in materials and workmanship on fume hoods, work surfaces, and accessories; include labor and replacement parts (except lamps).
B. Warranty Period: One year from date of installation or two 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 laboratory fume hoods from a single manufacturer.
2.2 MANUFACTURED UNITS
NOTE ** Select items below required for project. If multiple types or sizes of fume hoods are required, carefully modify subsequent paragraphs for specific applications.
A. Fiberglass bench-mounted fume hoods.
B. Stainless steel radioisotope fume hoods with automatic by-pass air flow system for use with remotely-located motor/blower.
C. Stainless steel perchloric acid fume hoods with automatic by-pass air flow system for use with remotely-located motor/blower.
D. Fiberglass walk-in fume hoods with automatic by-pass air flow system for use with remotely-located motor/blower.
NOTE ** Select one of the following two subparagraphs for fiberglass bench-mounted fume hoods; delete both subparagraphs for other types of fume hoods (by-pass air flow is standard).
1. By-pass air flow design configuration.
2. Auxiliary air flow design configuration.
NOTE ** Select one of the following two subparagraphs.
3. Vapor-proof electrical configuration.
4. Explosion-proof electrical configuration.
NOTE ** Select one of the following two subparagraphs for fiberglass bench-mounted fume hoods; delete both subparagraphs for other types of fume hoods (remote blowers are standard).
5. For use with remote blowers.
6. For use with built-in blowers.
NOTE ** Select one of the following two subparagraphs.
7. No service fixtures.
8. Remotely controlled service fixtures.
NOTE ** Select one of the following three subparagraphs; the third is a custom option.
3. Hood Front panel: Wet enamel overspray, color selected by Architect.
B. Stainless Steel: Finishes as specified.
C. Fiberglass Interior Liners and Baffles: Chemically-resistant white gel-coat, flame spread less than 25 per ASTM E 84.
2.5 COMPONENTS
A. Hood Exteriors: Minimum 20 gage cold-rolled sheet steel.
NOTE ** Select the following paragraph for bench-mounted fume hoods and walk-in fume hoods.
B. Hood Interior Liners: One-piece molded fiberglass reinforced polyester resin, minimum 3/16 inch (5 mm) thick, with coved corners; no interior access panels. (Maintenance performed from front of hood.)
C. Baffles: Removable, tamper-resistant one-piece molded fiberglass reinforced polyester resin, minimum 3/16 inch (5 mm) thick.
NOTE ** Select the following paragraph for radioisotope fume hoods.
D. Hood Interior Liners, Baffles, and Work Surfaces: One-piece Type 304 stainless steel welded construction, minimum 20 gage, with 5 inch (127 mm) cupsink, coved corners, joints ground smooth and polished; no interior access panels. (Maintenance performed from front of hood.)
NOTE ** Select the following paragraph for perchloric acid fume hoods.
E. Hood Interior Liners, Baffles, and Work Surfaces with Drain Trough: One-piece Type 316 stainless steel welded construction, minimum 20 gage, fully coved corner, bottom with drain trough at rear, joints ground smooth and polished; no interior access panels. (Maintenance performed from front of hood.)
NOTE ** Select subparagraph below if walk-in fume hoods are not specified.
1. Provide baffles without slots or adjustment capability.
NOTE ** Delete subparagraph above and include subparagraphs below for walk-in fume hoods. Delete subparagraphs below for all other types of fume hoods.
2. Provide adjustment capability at upper edge of lower baffles.
3. Provide other baffles without slots or adjustment capability.
F. Corner Covers: 20 gage stainless steel, pre-punched and plugged to accommodate up to four service fixtures and two electrical boxes on each side.
G. Hood Rear Exterior Panels: 16 gage galvanized sheet steel.
NOTE ** Select paragraph below for bench-mounted and walk-in fume hoods.
H. Belled Entry Cones, Belled Exhaust Connection and Condensation Collection Rings: LS 8200 PVC(R) as manufactured by Georgia Gulf Company; include neoprene drain hose.
NOTE ** Select paragraph below for radioisotope fume hoods.
I. Exhaust Connection Rings: Type 304 stainless steel.
NOTE ** Select paragraph below for perchloric acid fume hoods.
J. Duct Connections: Type 316 stainless steel.
NOTE ** Select paragraph below for bench-mounted and walk-in fume hoods.
K. Hose Connectors: Injection molded PVDF - Kynar7.
NOTE ** Select paragraph below for radioisotope and perchloric acid fume hoods.
L. Hose Connectors: Chrome-plated brass.
M. Hood Sashes: 3/16 inch (5 mm) thick tempered safety glass surrounded in an extruded polyvinyl chloride (PVC) frame.
NOTE ** Delete paragraph below if only walk-in fume hoods are specified.
N. Sash Foils: 14 gage cold-rolled steel, epoxy coated.
NOTE ** Select items below required for the project. Specialty service fixtures are available upon request, including oxygen with specially cleaned and lubricated valve, cold water gooseneck with vacuum breaker, and stainless steel valves with stainless steel lines for purified water.
O. Hood Service Fixtures: 1/4 inch (6 mm) copper tubing, forged brass valves and seats, TFE-coated silicone bronze stem, TFE packing, and injection-molded PVDF 10-serration hose connectors.
1. Fixture Handles: Anti-snag, round plastic without projections; color-code and label for designated service.
P. Gas Valves: AGA/CGA listed with tin-lined copper service lines.
NOTE ** Select paragraph below for vapor-proof bench-mounted and vapor-proof walk-in fume hoods.
NOTE ** Select paragraph below for explosion-proof bench-mounted and explosion-proof walk-in fume hoods, and for all radioisotope and perchloric acid fume hoods.
NOTE ** Select paragraph below for bench-mounted fume hoods.
S. Work Surfaces, Bench-Mounted Fume Hoods: 1-1/4 inches (32 mm) thick, 3/8 inch (10 mm) deep dished solid epoxy resin surface conforming to hood interior.
NOTE ** Select paragraph below for radioisotope fume hoods.
T. Work Surfaces, Radioisotope Fume Hoods: Type 304 stainless steel, 1/4 inch (6 mm) deep dished seamless surface welded to hood interior, joints ground smooth and polished; provide supporting substrate to satisfactorily mount hood to base cabinet.
NOTE ** Check local codes for possible required treatment of effluent water before including the following paragraph.
1. Stainless steel cup sink, 5 inch (127 mm) diameter, left front, with 1-1/2 inch (38 mm) drain.
NOTE ** Select paragraph below for perchloric acid fume hoods.
U. Work Surfaces, Perchloric Acid Fume Hoods: Type 316 stainless steel, 1/4 inch (6 mm) deep dished seamless surface welded to hood interior, joints ground smooth and polished; provide supporting substrate to satisfactorily mount hood to base cabinet.
NOTE ** Check local codes for possible required treatment of effluent washdown water before including the following paragraph.
1. Washwater drain trough at rear edge, with 2 inch (50 mm) drain connection at right end.
NOTE ** Select paragraph below for walk-in fume hoods.
V. Floor Surfaces: 1-1/4 inches (32 mm) thick surface conforming to hood interior.
NOTE ** The following options are available for walk-in fume hoods. Distillation grid design can vary; consult manufacturer. Distillation grid is not factory installed, as hood is shipped in two pieces; supporting holes in liner with collar mounted will be provided in liner walls for field installation of grid.
W. Work Surfaces, Walk-In Fume Hoods: 1-1/4 inches (32 mm) thick, with 6 inch by 3 inch (150 x 75 mm) oval cutouts to clear molded cup sinks.
X. Removable Internal Support Bench (to convert hood for distillation use): 1 inch (25 mm) thick epoxy, 15 inches (380 mm) high by 15 inches (380 mm) deep by internal width of fume hood.
NOTE ** Choose distillation grid in the following paragraph from 316 stainless steel, aluminum, or fiberglass 1/2 inch (13 mm) diameter rods, 316 stainless steel or aluminum connectors.
Y. Distillation Grid: ________________________.
2.6 FABRICATION
NOTE ** Select any of the following four paragraphs required for project.
A. Fabricate bench-mounted fume hoods in one piece, double wall construction, epoxy coated cold-rolled steel exterior, gel-coated fiberglass reinforced polyester internal liner and baffle, able to pass through a 33 inch (0.84 m) opening without disassembly.
B. Fabricate radioisotope fume hoods in one piece, double wall construction, epoxy coated cold-rolled steel exterior, type 304 stainless steel internal liner and baffle, joints welded and ground smooth, able to pass through a 33 inch (0.84 m) opening without disassembly.
C. Fabricate perchloric acid fume hoods in one piece, double wall construction, epoxy coated cold-rolled steel exterior, type 316 stainless steel internal liner and baffle, able to pass through a 33 inch (0.84 m) opening without disassembly.
D. Fabricate walk-in fume hoods as two individual assemblies, double wall construction, epoxy coated cold-rolled steel exterior, gel-coated fiberglass reinforced polyester internal liner and baffle, each assembly able to pass through a 33 inch (0.84 m) opening without further disassembly.
NOTE ** Select paragraph below for 4, 5, and 6 foot (1.22, 1.52, and 1.83 m) hoods with vertical rising sash assemblies.
1. Provide vertical rising 3/16 inch (5 mm) thick tempered safety glass sash framed with extruded polyvinyl chloride; epoxy-coated steel sash tracks; single counterbalance weight.
NOTE ** Paragraph below is standard for 8 foot (2.44 m) hoods.
2. Provide postless dual vertical rising sash of independent sash assemblies, 3/16 inch (5 mm) thick tempered safety glass framed with extruded polyvinyl chloride; epoxy-coated steel sash tracks; single counterbalance weight.
NOTE ** Paragraph below is optional for 4 foot (1.22 m) by-pass hoods. Horizontal sashed hoods are not available in auxiliary-air configurations.
3. Provide two horizontal sliding panels, 3/16 inch (5 mm) thick tempered safety glass sash, each framed with extruded polyvinyl chloride; epoxy-coated steel sash tracks; single counterbalance weight.
NOTE ** Paragraph below is optional for 5, 6,and 8 foot (1.52, 1.83, and 2.44 m) by-pass hoods. Horizontal sashed hoods are not available in auxiliary-air configurations.
4. Provide four horizontal sliding panels, 3/16 inch (5 mm) thick tempered safety glass sash, each framed with extruded polyvinyl chloride; epoxy-coated steel sash tracks; single counterbalance weight.
NOTE ** Combination sashes are available on some hood sizes and designs. Contact the manufacturer and select from one of the two subparagraphs following.
5. Combination Sash: Two horizontal sliding sashes in an epoxy coated vertical rising frame; single counterbalance weight.
6. Combination Sash: Four horizontal sliding sashes in an epoxy coated vertical rising frame; single counterbalance weight.
NOTE ** Select paragraph below for by-pass fume hoods.
E. Fabricate by-pass fume hoods to minimize face velocity fluctuations as sash is raised or lowered.
NOTE ** Select paragraph below for bench-mounted by-pass fume hoods.
1. Inflow velocity with sash positioned 6 inches (150 mm) above air foil: Not less than twice the selected full open face velocity, nor greater than three times that amount.
NOTE ** Select paragraph below for bench-mounted auxiliary air fume hoods.
F. Fabricate auxiliary-air fume hoods with by-pass air feature to minimize face velocity fluctuations as sash is raised or lowered.
1. Inflow velocity with sash positioned 6 inches (150 mm) above air foil: Not less than twice the selected full open face velocity, nor greater than three times that amount.
2. Introduce auxiliary air above sash face as an integral part of hood superstructure with removable plenum air deflector.
3. Provide up to a maximum of 50 percent ratio of auxiliary air to total air exhaust volume, as determined by the intended application.
4. Measure exhaust air volume with sash fully open and auxiliary air off, to develop face velocity profile.
NOTE ** Select paragraph below for bench-mounted and walk-in fume hoods.
G. Equip fume hoods with belled entry cones, complete with condensation collectors and drain tubes, providing for exhaust connection leading from fume cavity.
NOTE ** Select paragraph below for radioisotope fume hoods.
H. Equip fume hoods with duct connections.
NOTE ** Select paragraph below for perchloric acid fume hoods.
I. Equip fume hoods with internal washdown systems to wash behind baffle, serviced by additional cold water valve and supply lines. Provide connection points, plugged upon delivery, for connecting to internal manifold for feed to duct system wash rings.
J. Equip fume hoods with interchangeable lift-away side panels and removable front panels to access plumbing fixtures, electrical wiring, counterbalance sash weights, and lighting fixtures; access all services from front of hoods.
K. Mount corner covers vertically on each side of hood sash openings to access plumbing lines and valve connections from front of hoods.
NOTE ** Select paragraph below for bench-mounted, radioisotope, and perchloric acid fume hoods.
L. Provide minimum 4 inch (100 mm) wide air foil directly across bottom of sash opening, allowing air to bypass underneath and sweep across work surface and preventing back flow of fumes at front of hood. Extend air foil back under sash to prevent closure of lower by-pass opening when sash is fully closed.
NOTE ** Select paragraph below for walk-in fume hoods.
M. Provide 1 inch (25 mm) high air passage directly across bottom of sash opening, allowing air to bypass underneath and sweep across floor surface and preventing back flow of fumes at front of hood.
NOTE ** Select paragraph below for 4, 5, and 6 foot (1.22, 1.52, and 1.83 m) fume hoods.
N. Counterbalance sash with a single weight suspended by two vinyl coated stainless steel cables passing through nylon ball bearing pulleys.
NOTE ** Select paragraph below for 8 foot (2.44 m) fume hoods with dual vertical-rising sash.
O. Counterbalance each sash assembly with individual weights, each suspended by two vinyl coated stainless steel cables passing through nylon ball bearing pulleys.
NOTE ** Paragraph below is standard for 5 and 6 foot (1.52 and 1.83 m) walk-in fume hoods.
P. Counterbalance dual telescoping vertical-rising sash with a single weight for the top sash, dual weights for the bottom sash, suspended by two vinyl coated stainless steel cables passing through nylon ball bearing pulleys.
NOTE ** Select paragraph below for 8 foot (2.44 m) walk-in fume hoods; horizontal sliding sash assembly is optional for 5 and 6 foot (1.52 and 1.83 m) walk-in fume hoods.
Q. Provide four-piece horizontal sliding sash system in dual track.
NOTE ** Select one of the two paragraphs below for 4, 5, and 6 foot (1.22, 1.52, and 1.83 m) bench-mounted and perchloric acid fume hoods.
R. Service fixtures are not required.
S. Provide four fixtures located inside fume hood cavity, capable of hot and cold water, natural gas, air, vacuum, nitrogen, argon, and low pressure steam services.
NOTE ** Select paragraph below for radioisotope fume hoods.
T. Provide three fixtures located inside fume hood cavity, capable of hot and cold water, natural gas, air, vacuum, nitrogen, argon, and low pressure steam services.
NOTE ** Paragraph below is standard for 8 foot (2.44 m) hoods.
U. Provide six fixtures located inside fume hood cavity, capable of hot and cold water, natural gas, air, vacuum, nitrogen, argon, and low pressure steam services.
NOTE ** Select paragraph below for walk-in fume hoods.
V. Provide swing-type gooseneck cold water fixtures with vacuum breaker; mount over molded 6 inch by 3 inch (150 x 75 mm) cupsink with 1-1/4 inch (32 mm) standard drain connection.
NOTE ** Select one subparagraph below. Walk-in fume hoods can have one or two goosenecks.
1. Left rear.
2. Right rear.
3. One at left rear and one at right rear.
NOTE ** Delete four paragraphs below if service fixtures are not required. Select all four paragraphs for bench-mounted and walk-in fume hoods with service fixtures; delete first paragraph and select remaining three paragraphs for radioisotope and perchloric acid fume hoods with service fixtures.
W. Orient hose connectors to the rear of fume hoods.
X. Orient hose connectors to be readily accessible without exposing operator's breathing zone to fume hood interior.
Y. Completely pre-plumb services using 1/4 inch (6 mm) tin-lined copper tubing for upper right-hand gas fixture, 3/8 inch (10 mm) copper tubing for cold water gooseneck fixtures, 1/4 inch (6 mm) copper tubing for other fixtures.
Z. Provide minimum 66 inch (1.67 m) feed lines to service fixtures.
NOTE ** Select paragraph below for 4, 5, and 6 foot (1.22, 1.52, and 1.83 m) vapor-proof bench-mounted fume hoods and for 5 and 6 foot (1.52 and 1.83 m) vapor-proof walk-in fume hoods.
AA. Provide fluorescent light fixture located behind tempered glass safety shield, serviceable from outside fume hood cavity. Include light switch, blower switch, and all internal wiring to circuit junction boxes located in upper right and/or left front of plenum area.
NOTE ** Select paragraph below for 8 foot (2.44 m) vapor-proof bench-mounted fume hoods and for 8 foot (2.44 m) vapor-proof walk-in fume hoods.
BB. Provide two fluorescent light fixtures located behind tempered glass safety shield, serviceable from outside fume hood cavity. Include light switch, blower switch, and all internal wiring to circuit junction boxes located in upper right and/or left front of plenum area.
NOTE ** Select paragraph below for 4, 5, and 6 foot (1.22, 1.52, and 1.83 m) explosion-proof bench-mounted fume hoods and for 5 and 6 foot (1.52 and 1.83 m) explosion-proof walk-in fume hoods.
CC. Provide incandescent light fixture without internal wiring, switches, or receptacles.
NOTE ** Select paragraph below for 8 foot (2.44 m) bench-mounted explosion-proof fume hoods, 8 foot (2.44 m) walk-in explosion-proof fume hoods, 4 and 5 foot (1.22 and 1.52 m) radioisotope vapor-proof, 4 and 5 foot (1.22 and 1.52 m) perchloric acid explosion-proof fume hoods, 4, 5, and 6 foot (1.22, 1.52, and 1.83 m) explosion-proof radioisotope fume hoods, and 4, 5, and 6 foot (1.22, 1.52, and 1.83 m) explosion-proof perchloric acid fume hoods.
DD. Provide two incandescent light fixtures without internal wiring, switches, or receptacles.
NOTE ** Select paragraph below for 6 foot (1.83 m) radioisotope vapor-proof fume hoods and 6 foot (1.83 m) perchloric acid vapor-proof fume hoods.
EE. Provide three incandescent light fixtures without internal wiring, switches, or receptacles.
NOTE ** Select paragraph below for 4, 5, and 6 foot (1.22, 1.52, and 1.83 m) vapor-proof bench-mounted fume hoods and vapor-proof perchloric acid fume hoods.
FF. Provide one 115-volt, 3-wire polarized and grounded electrical duplex receptacle mounted in right corner cover assembly; wire to separate electrical circuit.
NOTE ** Select paragraph below for 8 foot (2.44 m) vapor-proof bench-mounted fume hoods.
GG. Provide two 115-volt, 15-amp, 60 Hz electrical duplex receptacles, one mounted on each side; wire receptacles to separate electrical circuits.
NOTE ** Select paragraph below for 4, 5, and 6 foot (1.22, 1.52, and 1.83 m) vapor-proof radioisotope fume hoods.
HH. Provide one 115-volt, 3-wire polarized and grounded electrical duplex receptacle mounted in right corner cover assembly and one 230-volt 10-amp receptacle mounted on right side; wire receptacles to separate electrical circuits with 230-volt receptacle sheathed in flex conduit coiled in the plenum without junction box.
NOTE ** Select paragraph below for vapor-proof walk-in fume hoods.
II. Provide two 115-volt, 3-wire polarized and grounded electrical duplex receptacles, one mounted in each corner cover assembly; wire receptacles to separate electrical circuits.
NOTE ** Select two paragraphs below for bench-mounted fume hoods.
JJ. Provide work surfaces with cutout relief holes for passage of service utility lines.
KK. Provide vent holes at rear edge of work surfaces for connection to provision for venting of acid or solvent storage cabinets.
NOTE ** Select paragraph below for walk-in fume hoods.
LL. Provide floor surfaces with cutout relief holes for passage of service fixture lines.
NOTE ** Select first paragraph below for 4 and 5 foot (1.22 and 1.52 m) fume hoods; select second paragraph for 6 and 8 foot (1.83 and 2.44 m) fume hoods.
1. Quantity: One.
2. Quantity: Two.
NOTE ** Delete paragraphs below that are not required for the project.
MM. Provide 6 inch by 3 inch (150 by 75 mm) oval epoxy cupsinks in work surfaces, each with 1-1/2 inch (38 mm) drain connection.
NOTE ** Select subparagraph below for quantity required.
1. Quantity: One.
2. Quantity: Two.
3. Quantity: _________.
NN. Factory-modify fume hoods to include bypass block, sash position alarm, and sash stop(s) to conserve air loss.
OO. Provide face velocity alarms to monitor hood performance, for factory or field installation.
NOTE ** The following paragraph is an option for vapor-proof fume hoods, however, consideration should be given to explosion-proof fume hoods for this situation.
PP. Provide fire suppression system for installation in fume hood interior.
PART 3 EXECUTION
3.1 EXAMINATION
A. Verify equipment rough-in before proceeding with work, including rough opening dimensions required for fume hood installation.
B. Coordinate with other trades for proper installation of plumbing and electrical services.
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.
D. Demonstrate fume hood operations and functions to Owner at completion of installation.
3.3 ADJUSTING AND CLEANING
A. Adjust operating equipment, with the exception of air moving equipment, to provide efficient operation for intended use and as required by manufacturer.
NOTE ** Select subparagraph below for fume hoods with vertical-rising sashes.
1. Vertical-Rising Sashes: Operate smoothly without tilting when raised or lowered from either end; remain at rest in any open position.
NOTE ** Select subparagraph below for fume hoods with horizontal sliding sashes.
2. Horizontal Sliding Sashes: Operate smoothly without binding.
B. Clean equipment, casework, countertops, and other surfaces as recommended by manufacturer, rendering work in new and unused appearance.
C. Clean adjacent construction and surfaces soiled in the course of installation of this work.
D. Touch up minor damaged surfaces caused by installation. Replace damaged components as directed by Architect.
3.4 PROTECTION
A. Provide protective measures to prevent equipment and surfaces from exposure to other construction activity.
