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John F. Kennedy Presidential Library and Museum Building Addition and Renovation NARA Solicitation Number: NAMA09SEM0011

PROJECT MANUAL – Volume II Construction Documents June 26, 2009

Prepared for: National Archives & Records Administration (NARA) Space and Security Management Division, Real Property Management Branch 8601 Adelphi Road, Room 1150, College Park, MD 20740

Prepared by:

Architecture / Engineering: Einhorn Yaffee Prescott Architecture and Engineering, P.C.

24 School Street, Boston, MA 02108 EYP Project No: 5005801.01

Environmental Consultant: Epsilon Associates

Civil Engineering: Nitsch Engineering

Geotechnical Engineering: Haley & Aldrich, Inc.

Landscape Architect: Carol R. Johnson Associates

Cost Consultant: Faithful & Gould Security Consultant: Schirmer Engineering

Elevator Consultant: Lerch, Bates & Associates, Inc.

BUILDING ADDITION AND RENOVATION

JOHN F. KENNEDY PRESIDENTIAL LIBRARY AND MUSEUM

Construction Documents June 24, 2009

TABLE OF CONTENTS TC - 1

TABLE OF CONTENTS - PROJECT MANUAL

VOLUME 1 0F 2

DIVISION 1 - GENERAL REQUIREMENTS

01100 SUMMARY

01230 OPTIONS

01310 PROJECT MANAGEMENT AND COORDINATION

01320 CONSTRUCTION PROGRESS DOCUMENTATION

-------- ATTACHMENTS: SCHEDULE OF SUBMITTALS

01330 SUBMITTALS

-------- ATTACHMENTS: SUBMITTAL COVER SHEET

01400 QUALITY REQUIREMENTS

01420 REFERENCES

01500 TEMPORARY FACILITIES AND CONTROLS

01600 PRODUCT REQUIREMENTS

01700 EXECUTION REQUIREMENTS

-------- ATTACHMENT: REQUEST FOR INFORMATION (RFI) FORM

01731 CUTTING AND PATCHING

01732 SELECTIVE DEMOLITION

01770 CLOSEOUT PROCEDURES

01810 GENERAL COMMISSIONING REQUIREMENTS

DIVISION 2 - SITE CONSTRUCTION

02010 HEALTH AND SAFETY

02080 PRECHARACTERIZATION PROGRAM

02090 UTILITY MATERIALS

02200 SITE PREPARATION

02220 EXCAVATED SOIL AND MATERIALS MANAGEMENT PLAN

02233 TREE AND PLANT PROTECTION

02300 EARTHWORK

02310 DRILLED-IN PILES

02370 SEDIMENTATION AND EROSION CONTROL

02380 FOUNDATION PILES

02510 WATER SYSTEMS

02620 SUBDRAINAGE

02630 STORM DRAINS

02700 PAVING, WALKWAYS, CURBING AND EDGING

02800 SITE IMPROVEMENTS

02890 TRAFFIC SIGNS

02901 PLANTING SOILS

02945 LAWNS

02950 PLANTING

DIVISION 3 - CONCRETE

Construction Documents June 24, 2009

TABLE OF CONTENTS TC - 2

03100 CONCRETE FORMS AND ACCESSORIES

03200 CONCRETE REINFORCEMENT

03300 CAST-IN-PLACE CONCRETE

03450 ARCHITECTURAL PRECAST CONCRETE

DIVISION 4 - MASONRY

04100 MORTAR AND GROUT

04810 UNIT MASONRY ASSEMBLIES

04903 CONCRETE CLEANING

DIVISION 5 - METALS

05120 STRUCTURAL STEEL

05300 METAL DECKING

05400 COLD-FORMED METAL FRAMING

05500 METAL FABRICATIONS

05730 ORNAMENTAL FORMED METAL

05811 ARCHITECTURAL JOINT SYSTEMS

DIVISION 6 - WOOD AND PLASTICS

06105 MISCELLANEOUS CAPENTRY

06402 INTERIOR ARCHITECTURAL WOODWORK

DIVISION 7 - THERMAL AND MOISTURE PROTECTION

07115 BITUMINOUS DAMPPROOFING

07133 THERMOPLASTIC SHEET WATERPROOFING

07210 BUILDING INSULATION

07260 VAPOR RETARDERS

07271 SELF-ADHERING SHEET AIR BARRIERS

07280 GAS VAPOR BARRIERS

07415 COMPOSITE WALL PANELS

07542 POLYVINYL-CHLORIDE (PVC)_ROOFING

07620 SHEET METAL FLASHING AND TRIM

07720 ROOF ACCESSORIES

07811 SPRAYED FIRE-RESISTIVE MATERIALS

07841 THROUGH-PENETRATION FIRESTOP SYSTEMS

07842 FIRESTOP JOINT SYSTEMS

07920 JOINT SEALANTS

DIVISION 8 - DOORS AND WINDOWS

08110 STEEL DOORS AND FRAMES

08115 FIRE-RATED GLAZING AND FRAMING SYSTEMS

08116 INTEGRATED METAL DOOR OPENING SYSTEMS

08211 FLUSH WOOD DOORS

Construction Documents June 24, 2009

TABLE OF CONTENTS TC - 3

08311 ACCESS DOORS AND FRAMES

08331 OVERHEAD COILING DOORS

08335 SIDE-FOLDING GRILLES

08451 ALL-GLASS ENTRANCES

08470 REVOLVING ENTRANCE DOORS

08480 STAINLESS STEEL BALANCED DOORS

08582 SECURITY WINDOWS

08620 UNIT SKYLIGHTS

08710 DOOR HARDWARE

08800 GLAZING

08911 GLAZED ALUMINUM CURTAIN WALLS

DIVISION 9 - FINISHES

09260 GYPSUM BOARD ASSEMBLIES

09265 GYPSUM BOARD SHAFT-WALL ASSEMBLIES

09310 CERAMIC TILE

09511 ACOUSTICAL PANEL CEILINGS

09514 ACOUSTICAL METAL PAN CEILINGS

09638 STONE FLOORING

09650 RESILIENT FLOORING AND ACCESSORIES

09671 RESINOUS FLOORING

09681 CARPET TILE

09771 FABRIC-WRAPPED PANELS

09910 PAINTING

DIVISION 10 - SPECIALTIES

10101 VISUAL DISPLAY SURFACES

10155 TOILET COMPARTMENTS

10200 LOUVERS AND VENTS

10265 IMPACT-RESISTANT WALL PROTECTION

10431 SIGNAGE

10505 METAL LOCKERS

10506 WOOD LOCKERS

10520 FIRE-PROTECTION SPECIALTIES

10671 METAL STORAGE SHELVING

10680 MOBILE STORAGE UNITS

10801 TOILET AND BATH ACCESSORIES

APPENDIX

Report on Supplemental Subsurface Investigations and Foundation Recommendations (Feb.

2006) Result of Test Pit Explorations and Preliminary Materials Management (Oct. 2008)

Construction Documents June 24, 2009

TABLE OF CONTENTS TC - 4

VOLUME 2 OF 2

DIVISION 11 - EQUIPMENT

11132 PROJECTION SCREENS

11160 LOADING DOCK EQUIPMENT

11400 FOOD SERVICE EQUIPMENT

11610 LABORATORY FUME HOODS

DIVISION 12 - FURNISHINGS

12360 LABORATORY CASEWORK

12484 FLOOR MATS AND FRAMES

12494 ROLLER SHADES

12562 CLASSROOM FURNITURE

DIVISION 13 - SPECIAL CONSTRUCTION

13060 EXISTING COLD STORAGE ROOMS MECHANICAL REPLACEMENT

13320 FIRE PROTECTION WATER STORAGE TANK LEVEL AND TEMPERATURE

CONTROLS

13915 AUTOMATIC SPRINKLER AND STANDPIPE SYSTEMS

13921 ELECTRIC-DRIVE, HORIZONTAL FIRE PUMPS

DIVISION 14 - CONVEYING SYSTEMS

14240 HYDRAULIC ELEVATORS

DIVISION 15 - MECHANICAL

15010 GENERAL MECHANICAL REQUIREMENTS

15050 BASIC MECHANICAL MATERIALS AND METHODS

15055 ELECTRICAL REQUIREMENTS FOR HVAC WORK

15060 HANGERS AND SUPPORTS

15071 HVAC VIBRATION CONTROLS AND SEISMIC RESTRAINTS

15075 MECHANICAL IDENTIFICATION

15083 HVAC INSULATION

15090 SUBSURFACE GAS MANAGEMENT SYSTEM

15110 VALVES

15122 METERS AND GAGES

15181 HYDRONIC PIPING

15192 FUEL OIL PIPING AND DIESEL EXHAUST

15400 BASIC PLUMBING MATERIALS AND METHODS

15410 PLUMBING IDENTIFICATION

15415 WATER COOLERS

Construction Documents June 24, 2009

TABLE OF CONTENTS TC - 5

15420 PLUMBING HANGERS AND SUPPORTS

15430 PLUMBING SPECIALTIES

15435 PLUMBING VALVES

15440 PLUMBING FIXTURES

15445 SEWAGE EJECTORS

15450 SANITARY WASTE, STORM AND VENT PIPING

15455 DOMESTIC WATER PIPING

15488 NATURAL GAS SYSTEMS

15490 PLUMBING PIPE INSULATION

15495 REVERSE OSMOSIS PURIFIED WATER SYSTEM

15513 CONDENSING BOILERS

15725 MODULAR INDOOR AIR-HANDLING UNITS

15726 DESICCANT DEHUMIDIFICATION UNITS

15727 REFRIGERATION DEHUMIDIFICATION UNITS

15728 CUSTOM AIR HANDLING UNITS (OPTION NO.3)

15752 HUMIDIFIERS

15761 AIR COILS

15763 FAN-COIL UNITS

15766 UNIT HEATERS AND CABINET UNIT HEATERS

15815 METAL DUCTS

15820 DUCT ACCESSORIES

15830 FANS

15845 AIR TERMINAL UNITS

15855 DIFFUSERS, REGISTERS AND GRILLES

15861 AIR FILTERS

15975 HVAC INSTRUMENTATION AND CONTROLS

15990 TESTING, ADJUSTING AND BALANCING

15999 MECHANICAL COMMISSIONING REQUIREMENTS

DIVISION 16 - ELECTRICAL

16050 BASIC ELECTRICAL MATERIALS AND METHODS

16060 GROUNDING AND BONDING

16080 ELECTRICAL TESTING

16120 ELECTRICAL CONDUCTORS AND CABLES

16128 MINERAL INSULATED CABLE

16130 RACEWAYS AND BOXES

16140 WIRING DEVICES

16145 LIGHTING CONTROLS

16410 ENCLOSED DISCONNECTING DEVICES

16415 TRANSFER SWITCHES

16461 DRY-TYPE TRANSFORMERS (1000V AND LESS)

16470 PANELBOARDS

16510 LIGHTING

16620 EMERGENCY GENERATOR

16670 LIGHTNING PROTECTION SYSTEM

16721 FIRE ALARM SYSTEM

16749 SECURITY SYSTEM

Construction Documents June 24, 2009

TABLE OF CONTENTS TC - 6

DIVISION 17 - COMMUNICATIONS

17000 TELECOMMUNICATIONS CABLING

17200 AUDIO VISUAL SYSTEMS

END OF TABLE OF CONTENTS

Construction Documents June 24, 2009

PROJECTION SCREENS 11132 - 1

SECTION 11132 - PROJECTION SCREENS

PART 1 - GENERAL

1.1 SUMMARY

A. This Section Includes the Following:

1. Electrically-Operated Front-Projection Screens.

B. Related Sections Include the Following:

1. Division 16 Sections for electrical service and connections including metal device boxes for switches and conduit, where required, for low-voltage control wiring.

1.2 DEFINITIONS

A. Gain of Front-Projection Screens: Ratio of light reflected from screen material to that reflected perpendicularly from a magnesium carbonate surface as determined per

SMPTE RP 94.

B. Half-Gain Angle: The angle, measured from the axis of the screen surface, to the most central position on a perpendicular plane through the horizontal centerline of the screen where the gain is half of the peak gain.

1.3 SUBMITTALS

A. Product Data: For each type of screen indicated.

B. Shop Drawings: Show layouts and types of projection screens and ceiling-mounted projector mounts. Include the following:

1. Location of projector screen centerline relative to ends of screen case.

2. Location of wiring connections.

3. Location of seams in viewing surfaces.

4. Drop lengths.

5. Anchorage details, including connection to supporting structure for suspended units.

6. Details of juncture of exposed surfaces with adjacent finishes.

7. Accessories.

8. Wiring Diagrams: For electrically operated units.

C. Samples for Initial Selection: For finishes of screen cases.

D. Maintenance Data: For projection screens to include in maintenance manuals.

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PROJECTION SCREENS 11132 - 2

1.4 QUALITY ASSURANCE

A. Source Limitations: Obtain projection screens through one source from a single manufacturer. Obtain each screen as a complete unit, including necessary mounting hardware and accessories.

B. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for intended use.

1.5 DELIVERY, STORAGE, AND HANDLING

A. Do not deliver projection screens until building is enclosed and other construction within spaces where screens will be installed is substantially complete and ready for screen installation.

1.6 COORDINATION

A. Coordinate layout and installation of projection screens with adjacent construction, including, but not limited to, ceiling framing, stage rigging, stage curtains, light fixtures, and HVAC equipment.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. In other Part 2 articles where titles below introduce lists, the following requirements apply to product selection:

1. Available Manufacturers: Subject to compliance with requirements, provide products manufactured by one of the specified manufacturers.

2.2 ELECTRICALLY OPERATED PROJECTION SCREENS

A. General: Manufacturer's standard units consisting of case, screen, motor, controls, mounting accessories, and other components necessary for a complete installation.

Provide units that are listed and labeled as an assembly by UL or another testing and inspecting agency acceptable to authorities having jurisdiction.

1. Controls: Remote, key-operated, 3-position control switch installed in recessed metal device box with flush cover plate matching other electrical device cover plates in room where switch is installed.

a. Provide key-operated power-supply switch.

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PROJECTION SCREENS 11132 - 3

2. Motor in Roller: Instant-reversing motor of size and capacity recommended by screen manufacturer; with permanently lubricated ball bearings, automatic thermal-overload protection, preset limit switches to automatically stop screen in up and down positions, and positive-stop action to prevent coasting. Mount motor inside roller with vibration isolators to reduce noise transmission.

3. End-Mounted Motor: Instant-reversing, gear-drive motor of size and capacity recommended by screen manufacturer; with permanently lubricated ball bearings, automatic thermal-overload protection, preset limit switches to automatically stop screen in up and down positions, and positive-stop action to prevent coasting.

Locate motor in its own compartment on right or left end of screen as indicated on approved Shop Drawings.

4. Screen Mounting: Top edge securely anchored to rigid metal roller and bottom edge formed into a pocket holding a 3/8-inch- (9.5-mm-) diameter metal rod with ends of rod protected by plastic caps.

a. Roller for end-mounted motor supported by self-aligning bearings in brackets.

b. Roller for motor in roller supported by vibration and noise-absorbing supports.

5. Tab Tensioning: Provide units the have a durable low-stretch cord, such as braided polyester, on each side of screen connected to edge of screen by tabs to pull screen flat horizontally.

B. Suspended, Electrically Operated Screens without Ceiling Closure: Motor-in-roller units designed and fabricated for suspended mounting, with bottom of case entirely or partially open under screen compartment.

1. Products: Subject to compliance with requirements, provide one of the following products:

a. Advantage® Electrol®; Da-Lite Screen Co., Inc.

b. Paragon; Draper Inc.

2. Provide metal or metal-lined wiring compartment on units with motor in roller.

3. Screen Case: Made from metal, factory primed black.

4. Provide screen case with trim flange to receive ceiling finish.

5. Finish on Exposed Surfaces: Prime painted.

2.3 FRONT-PROJECTION SCREEN MATERIAL

A. Matte-White Viewing Surface: Peak gain of 1.0 to 1.1, and gain of not less than 0.9 at an angle of 50 degrees from the axis of the screen surface.

a. Products: Subject to compliance with requirements, provide one of the following products:

1) High Contrast Matte White; Da-Lite Screen Co., Inc.

2) Fiberglass Matte White; Draper Inc.

2. Material: Vinyl sheet.

3. Mildew Resistance: Rating of 0 or 1 when tested according to ASTM G 21.

Construction Documents June 24, 2009

PROJECTION SCREENS 11132 - 4

4. Flame Resistance: Passes NFPA 701.

5. Flame-Spread Index: Not greater than 75 when tested according to ASTM E 84.

6. Seamless Construction: Provide screens, in sizes indicated, without seams.

7. Edge Treatment: Black masking borders.

8. Provide extra drop length of dimension indicated to comply with the following requirements for fabric color and location of drop length:

a. Color: Black.

b. Location: At top of screen.

9. Sizes of Viewing Surface: As indicated in Projection Screen Schedule at the end of Part 3.

PART 3 - EXECUTION

3.1 INSTALLATION

A. General: Install projection screens and projector mounts at locations indicated to comply with manufacturer's written instructions, and if not indicated, as directed by the Architect..

B. Install front-projection screens with screen cases in position and in relation to adjoining construction indicated. Securely anchor to supporting substrate in a manner that produces a smoothly operating screen with vertical edges plumb and viewing surface flat when screen is lowered.

1. Install low-voltage controls according to NFPA 70 and manufacturer's written instructions.

a. Wiring Method: Install wiring in raceway except in accessible ceiling spaces and in gypsum board partitions where unenclosed wiring method may be used. Use UL-listed plenum cable in environmental air spaces, including plenum ceilings. Conceal raceway and cables except in unfinished spaces.

2. Test electrically operated units to verify that screen controls, limit switches, closure, and other operating components are in optimum functioning condition.

3.2 PROTECTING AND CLEANING

A. After installation, protect projection screens and projector mounts from damage during construction. If damage occurs despite such protection, remove and replace damaged components or entire unit as required to provide units in their original, undamaged condition.

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PROJECTION SCREENS 11132 - 5

3.3 PROJECTION SCREEN SCHEDULE

A. Provide Electrically- Operated, Ceiling-Recessed, Projection Screens, in sizes indicated, in the following rooms:

1. Classroom No 242: 65" by 116".

a. HDTV Format: 1.0 to 1.78.

END OF SECTION 11132

Construction Documents June 24, 2009

LOADING DOCK EQUIPMENT 11160 - 1

SECTION 11160 - LOADING DOCK EQUIPMENT

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Dock Levelers.

2. Dock Bumpers.

B. Related Sections Include the Following:

1. Division 3 Section “Cast-In-Place Concrete” for concrete work for recessed loading dock equipment.

2. Division 5 Section “Metal Fabrications” for curb angles at edges of recessed pits and loading dock platform edge channels.

1.2 DEFINITIONS

A. Operating Range: Maximum amount of travel above and below the loading dock level.

B. Working Range: Recommended amount of travel above and below the loading dock level for which loading and unloading operations can take place.

1.3 SUBMITTALS

A. Product Data: For each type of product indicated Include construction details, material descriptions, rated capacities, operating characteristics, furnished specialties, accessories, dimensions of individual components and profiles, and finishes. Include both published materials and any specific data prepared for this Project.

B. Shop Drawings: Show fabrication and installation details. Include plans, elevations, sections, pit dimensions (length, width and depth), details, anchorage of curb angles and embedded plates. and attachments to other work. Include all relationships with adjacent materials and all accessory items.

1. For installed products indicated to comply with design loads, include structural analysis data signed and sealed by the qualified professional engineer responsible for their preparation.

C. Qualification Data: For Installer.

D. Product Test Reports: Based on evaluation of tests performed by manufacturer and supervised and verified by a qualified independent professional engineer, indicate compliance of dock levelers with requirements of MH 30.1 for determining rated capacity, which is based on comprehensive testing within the last two (2) years of current products.

Construction Documents June 24, 2009

LOADING DOCK EQUIPMENT 11160 - 2

1. Submittal Form: According to MH 30.1, Appendix A.

E. Operation and Maintenance Data: For loading dock equipment to include in maintenance manuals.

F. Warranties: Special warranties specified in this Section.

1.4 QUALITY ASSURANCE

A. Manufacturer Qualifications: Loading dock equipment shall be manufactured by a firm with a minimum of five (5) years experience in the fabrication and installation of loading dock equipment.

B. Installer Qualifications: Manufacturer’s authorized representative who is trained and approved for installation of units required for this Project.

1. Maintenance Proximity: Not more than two (2) hours’ normal travel time from Installer’s place of business to Project site.

C. Single-Source Responsibility: Obtain each loading dock equipment component, including dock bumpers, as a complete unit produced by a single manufacturer, including necessary accessories, fittings and anchorages.

1.5 PROJECT CONDITIONS

A. Field Measurements: Indicate measurements on Shop Drawings.

1.6 COORDINATION

A. Coordinate installation of anchorages for loading dock equipment. Furnish setting drawings, templates, and directions for installing anchorages, including sleeves, concrete inserts, anchor bolts, and items with integral anchors, that are to be embedded in concrete or masonry. Deliver such items to Project site in time for installation.

B. Recessed Loading Dock Equipment: Coordinate size and location of pits to ensure proper clearances and operation of equipment.

1. Concrete, reinforcement, and formwork requirements are specified in Division 3 Section “Cast-In-Place Concrete.”

1.7 WARRANTY

A. Special Warranty for Dock levelers: Manufacturer’s standard form in which manufacturer agrees to repair or replace dock-leveler components that fail in materials or workmanship within specified warranty period.

1. Failures include, but are not limited to, the following:

a. Structural failures including cracked or broken structural support members and load-bearing welds.

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LOADING DOCK EQUIPMENT 11160 - 3

b. Deck plate failures including cracked plate or permanent deformation excess of 1/4-inch (6 mm) between deck supports.

c. Faulty operation of operators, control system, or hardware.

2. Warranty Period for Structural Assembly: Ten (10) years from date of Substantial Completion.

3. Warranty Period for Hold-Down Assembly: Two (2) years from date of Substantial Completion.

4. Warranty Period for Front and Rear Hinge: Lifetime warranty.

5. All parts not covered under the Lifetime front hinge and rear assemblies, 10-year

Structural Warranty, or 2-Year Hold Down Warranty have a 1-year parts, 1-year labor warranty.

6. Warranty shall be for unlimited usage of the leveler for the specified rated capacity over the term of the warranty.

1.8 MAINTENANCE SERVICE

A. Initial Maintenance Service: Beginning at Substantial Completion, provide twelve (12) months’ full maintenance by skilled employees of loading dock equipment Installer.

Include quarterly preventative maintenance, repair or replacement of worn or defective components, lubrication, cleaning, and adjusting as required for proper equipment operation at rated speed and capacity. Provide parts and supplies same as those used in the manufacture and installation of original equipment.

1. Perform maintenance, including emergency callback service.

B. Continuing Maintenance Service: Provide a continuing maintenance proposal from Installer to Owner, in the form of a standard yearly maintenance agreement, starting on date initial maintenance service is concluded. State services, obligations, conditions, and terms for agreement period and for future renewal options.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Basis-of-Design Product: The design for each type of loading dock equipment is based on the product named. Subject to compliance with requirements, provide either the named product or equivalent product by one of the other manufacturers specified.

2.2 MATERIALS

A. Steel Plates, Shapes, and Bars: ASTM 36/A 36M.

B. Rolled-Steel Floor Plate: ASTM A 786/A 786M, rolled from steel plate complying with ASTM A 572/A 572M, Grade 55 (380).

C. Steel Tubing: ASTM A 500, cold formed.

Construction Documents June 24, 2009

LOADING DOCK EQUIPMENT 11160 - 4

D. Welding Rods and Bare Electrodes: Select according to AWS specifications for metal alloy welded.

E. Pressure-Treated Wood; DOC PS 20 dimension lumber, select structural grade, kiln dried, and pressure treated with waterborne preservatives to comply with AWPA C2.

2.3 RECESSED DOCK LEVELERS

A. General: Recessed, hinged-lip-type dock levelers designed for permanent installation in concrete pits preformed in the edge of loading platform; of type, function, operation, capacity, size, and construction indicated; and complete with controls, safety devices, and accessories required.

1. Basis-of-Design Product: W.B. McGuire Company, Division of Overhead Door Corporation.; Mechanical Truss Head Dock Leveler Model MP - 6625, or equivalent product by one of the following:

a. Kelley Company, Inc.; a United Dominion Company.

b. Rite-Hite Corporation.

B. Quality Standard: MH 30.1, "Safety, Performance and Testing of Dock Leveling Devices ," except for rated capacity.

C. Rated Capacity: Capable of supporting total gross load indicated without permanent deflection or distortion, as determined by actual tests according to MH 30.1.

D. Function: Dock levelers shall compensate for differences in height between truck bed and loading platform in the following manner:

1. Vertical Travel: Provide operating range above platform level of sufficient height to enable lip to extend and clear truck bed before contact.

2. Automatic Vertical Compensation: Floating travel of ramp with lip extended and resting on truck bed shall compensate automatically for upward or downward movement of truck bed during loading and unloading.

3. Automatic Lateral Compensation: Tilting of ramp with lip extended and resting on truck bed shall compensate automatically for canted truck beds of up to 4-inches (100 mm) over width of ramp.

4. Lip Operation: Manufacturer's standard mechanism that automatically extends and supports hinged lip on ramp edge with lip resting on truck bed over dock leveler's working range, allows lip to yield under impact of incoming truck, and automatically retracts lip when truck departs.

a. Lip Extension: Minimum 10-1/2 inches beyond face of 4-inch bumper with standard 16-inch lip.

Construction Documents June 24, 2009

LOADING DOCK EQUIPMENT 11160 - 5

E. Mechanical Operating System: Spring-operated raising and walk-down lowering of unloaded ramp. Equip units with an upward-biased-spring counterbalancing mechanism controlled by a hold-down device. Ramp raises to top limit of operating range by operating recessed control handle in ramp to disengage hold-down device. Ramp lowers below platform level with lip retracted by operating auxiliary, recessed control handle to release support legs.

1. Free-Fall Protection: Manufacturer's standard protection system to limit free fall of loaded ramps with front edge supported by truck bed.

2. Operational Range: Standard 12-inches above dock level to 12-inches below dock level.

F. Construction: Fabricate dock-leveler frame, platform supports, and lip supports from structural- or formed-steel shapes. Weld platform and hinged lip to supports. Fabricate entire assembly to withstand deformation during both operating and stored phases of service. Chamfer lip edge to minimize obstructing wheels of material-handling vehicles.

1. Deck Plate: 1/4-inch thick safety tread.

2. Clean-Pit Frame: Designed to support leveler at sides of pit, with no side-to-side supports at front of pit floor.

3. Hinged Lip: Full width, piano-type hinge with heavy-wall hinge tube and greased fittings, with gussets on lip and ramp for support.

a. Front Hinge: Truss head style bridge construction to distribute weight along entire front header area and back into platform, which reduces stress on this area.

b. Rear Hinge: Full width rear hinge mounted in compression for full width bearing surface to spread impact over full leveler width.

c. Provide 1/2-inch thick safety tread Lip Plate.

d. Provide 16-inch yieldable Lip Plate.

e. Provide minimum four (4) 4-inch structural channel supports, no pinch point.

4. Toe Guards: Equip open sides of rising ramp over range indicated with metal toe guards mounted flush with ramp edges and projecting below ramp.

a. Finish: Factory finish dock levelers after assembly and testing. Paint toe guards orange to comply with ANSI Z535.1.

1) Dock Leveler Color: Manufacturer’s standard Slate Blue Aqua enamel.

5. Cross-Traffic Support: Manufacturer's standard method of supporting ramp at platform level in stored position with lip retracted. Provide a means to release supports to allow ramp to descend below platform level.

a. Provide safety legs to limit fall of platform to dock level, 3-inches below dock.

Safety legs shall be an integral part of manufacturer’s standard dock leveler.

6. Maintenance Strut: Integral strut to positively support ramp in up position during maintenance of dock leveler.

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LOADING DOCK EQUIPMENT 11160 - 6

7. Integral Dock Bumpers: Fabricated from 4-inch- (100-mm-) thick by 12-inches high by 13-inches long, heavy molded-rubber compound reinforced with nylon, rayon, or polyester cord; with Type A Shore durometer hardness of 80, plus or minus 5, when tested according to ASTM D 2240. Provide two (2) dock bumpers for each recessed dock leveler, attached to face of loading dock with expansion bolts.

G. Accessories:

1. Self-Forming Pan: Manufacturer's standard prefabricated, self-forming steel form system for poured-in-place construction of concrete pit.

2. Night Locks: Manufacturer's standard means to prevent extending lip and lowering ramp when overhead doors are locked.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine areas and conditions, with Installer present, for compliance with requirements for installation tolerances and other conditions affecting performance of loading dock equipment.

B. Examine walls and floors of pits for suitable conditions where recessed loading dock equipment is to be installed. Pits shall be plumb and square and properly sloped for drainage from back to front of loading dock.

C. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2 PREPARATION

A. Coordinate size and location of loading dock equipment to be attached to or recessed into concrete or masonry, and furnish anchoring devices with templates, diagrams, and instructions for their installation.

B. Set curb angles in concrete edges of dock-leveler recessed pits with tops flush with loading platform. Fit exposed connections together to form hairline joints.

C. Place self-forming pan system for recessed dock levelers in proper relation to loading platform before pouring concrete.

D. Clean recessed pits of debris.

3.3 INSTALLATION

A. General: Install loading dock equipment, in accordance with manufacturer's detailed instructions as required for a complete installation.

B. Dock Bumpers: Attach dock bumpers to face of loading dock in a manner that complies with requirements indicated for spacing, arrangement, and position relative to top of platform and anchorage.

Construction Documents June 24, 2009

LOADING DOCK EQUIPMENT 11160 - 7

1. Bolted Attachment: Attach dock bumpers to concrete dock by drilling and anchoring with expansion anchors and bolts.

C. Recessed Dock Levelers: Attach dock levelers securely to loading dock platform, flush with adjacent loading dock surfaces and square to recessed pit.

3.4 ADJUSTING AND CLEANING

A. Adjust loading dock equipment for proper, safe, efficient operation.

B. Test dock levelers for vertical travel within operating range indicated.

C. Restore marred, abraded surfaces to their original condition.

3.5 DEMONSTRATION

A. Engage a factory-authorized service representative to train Owner’s maintenance personnel to adjust, operate, and maintain loading dock equipment. Refer to Division 1 Section “Closeout Procedures.”

3.6 LOADING DOCK EQUIPMENT SCHEDULE

A. Integral Molded-Rubber Dock Bumpers:

1. Configuration: Rectangular.

2. Thickness: 4-inches (100 mm).

B. Recessed Dock Levelers:

1. Operation: Mechanical operating system.

2. Rated Capacity: 25,000 lbs.

3. Platform Size: 6-foot long by 6-foot wide.

4. Vertical Travel: Minimum working range of 12-inches (305 mm) above and 12-inches (305 mm) below adjoining platform.

5. Length of Lip Extension: 16-inches (406 mm).

6. Compensation Capacity; Automatic vertical and lateral.

7. Platform: 1/4-inch (6 mm) thick, nonskid steel plate.

8. Hinged Lip: 1/2-inch (13 mm) thick, nonskid steel plate.

9. Frame: Clean-pit type.

10. Toe-Guard Range: Entire upper working range.

11. Accessories:

a. Night locks.

12. Finish: Painted in manufacturer’s standard color.

END OF SECTION 11160

Construction Documents June 24, 2009

FOOD SERVICE EQUIPMENT 11400 - 1

SECTION 11400 - FOOD SERVICE EQUIPMENT

PART 1 - GENERAL

1.1 SUMMARY

A. This section includes stainless steel counters for renovated first floor kitchen.

1.2 SUBMITTALS

A. Product Data: For each type of product indicated. Include the following:

1. Options, accessories, and components that will be included for Project.

2. Clearance requirements for access and maintenance.

B. Shop Drawings: For fabricated equipment. Include plans, elevations, sections, roughing-in dimensions, fabrication details, and attachments to other work.

C. Coordination Drawings: For FOOD SERVICE facilities.

1. Indicate locations of FOOD SERVICE equipment.

2. Key equipment using same designations as indicated on Drawings.

3. Include plans and elevations; clearance requirements for equipment access and maintenance; and details of support for equipment.

D. Warranty: Special warranty specified in this Section.

1.3 QUALITY ASSURANCE

A. NSF Standards: Provide equipment that bears NSF Certification Mark or UL Classification Mark certifying compliance with applicable NSF/ANSI standards.

1.4 PROJECT CONDITIONS

A. Field Measurements: Indicate measurements on Coordination Drawings.

1.5 COORDINATION

A. Coordinate food service equipment layout and installation with other work.

Construction Documents June 24, 2009

FOOD SERVICE EQUIPMENT 11400 - 2

PART 2 - PRODUCTS

2.1 FABRICATED EQUIPMENT

A. Materials:

1. Stainless Steel: Type 304, ASTM A 666, with No. 4 finish (directional satin finish) on exposed surfaces.

2. Galvanized Steel: ASTM A 653/A 653M, G90 (Z275) coating designation;

commercial-quality, cold-rolled steel that is zinc coated by the hot-dip process and chemically treated.

B. Stainless-Steel Countertop:

1. Description: As indicated on Drawings.

2. Top Construction:

a. Material: Stainless steel, Type 304, 0.0781-inch (2.0-mm) specified thickness, reinforced and sound deadened.

b. Back Splash: As indicated on Drawings.

c. Edge: Bullnose on front edge, straight on sides and back; unless otherwise indicated.

3. Undershelf:

a. Stainless steel, Type 304, 0.0500-inch (1.3-mm) specified thickness .

b. Welded.

4. Cross bracing:

a. Welded to legs, unless otherwise indicated.

b. Stainless- steel tubing.

5. Legs: Stainless- steel tubing.

6. Feet: Stainless-steel adjustable bullets.

2.2 MISCELLANEOUS MATERIALS

A. Installation Accessories, General: NSF certified for end-use application indicated.

B. Elastomeric Joint Sealant: ASTM C 920; Type S (single component), Grade NS (nonsag), Class 25, Use NT (nontraffic) related to exposure, and Use M, G, A, or O as applicable to joint substrates indicated.

1. Public Health and Safety Requirements:

a. Sealant is certified for compliance with NSF standards for end-use application indicated.

b. Washed and cured sealant complies with the FDA's regulations for use in areas that come in contact with food.

Construction Documents June 24, 2009

FOOD SERVICE EQUIPMENT 11400 - 3

2. Cylindrical Sealant Backing: ASTM C 1330, Type C, closed-cell polyethylene, in diameter larger than joint width.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Install food service equipment level and plumb, according to manufacturer's written instructions.

B. Complete equipment assembly where field assembly is required.

1. Provide closed butt and contact joints that do not require a filler.

2. Grind field welds on stainless-steel equipment smooth, and polish to match adjacent finish.

C. Install equipment with access and maintenance clearances that comply with manufacturer's written installation instructions and requirements of authorities having jurisdiction.

D. Install joint sealant in joints between equipment and abutting surfaces with continuous joint backing, unless otherwise indicated. Produce airtight, watertight, vermin-proof, sanitary joints.

3.2 CLEANING AND PROTECTING

A. After completing installation of equipment, repair damaged finishes.

B. Clean and adjust equipment as required to produce ready-for-use condition.

C. Protect equipment from damage during remainder of the construction period.

END OF SECTION 11400

Construction Documents June 24, 2009

LABORATORY FUME HOODS 11610 - 1

SECTION 11610 - LABORATORY FUME HOODS

PART 1 - GENERAL

1.1 SUMMARY

A. This Section Includes the Following:

1. Bench- Top, Bypass- Type, Laboratory Fume Hoods.

2. Epoxy Resin Counters.

B. Related Sections Include the Following:

1. Division 1 Section “Product Requirements” for restrictions on products used in archival and artifact storage, processing and research rooms.

2. Division 15 Plumbing Sections for provision of plumbing utilities and final connections to fume hoods.

3. Division 15 Mechanical Sections for provision of exhaust duct work and equipment, and final connection of fume hoods.

4. Division 16 Electrical Sections for provision of electrical utilities and final connections to fume hoods.

1.2 FUME HOOD GENERAL DESIGN REQUIREMENTS

A. Fume hoods shall function as ventilated, enclosed workspaces, designed to capture, confine and exhaust fumes, vapors and particulate matter produced or generated within the enclosure.

B. Design fume hoods for consistent and safe air flow through the hood face. Negative variations of face velocity shall not exceed 20% of the average face velocity at any designated measuring point as defined in this section.

C. Working Sash Height: 18-inches.

D. Face Velocity: 100 fpm at 18 inches above the work surface at the sash opening.

E. Average illumination of work area: Minimum 80 foot-candle. Work area shall be defined as the area inside the superstructure from side to side and from face of baffle to the inside face of the sash, and from the working surface to a height of 28-inches.

F. Fume hood shall be designed to minimize static pressure loss with adequate slot area and bell shaped exhaust collar configuration. Maximum average static pressure loss readings taken three diameters above the hood outlet from four points, 90 degrees apart, shall not exceed the following maximums with sash in full open position:

Face Velocity Measured S.P.L. (W.G.)

75 F.P.M. 0.18 inches

LABORATORY FUME HOODS 11610 - 2

100 F.P.M. 0.30 inches 125 F.P.M. 0.45 inches 150 F.P.M. 0.60 inches

G. Noise Criteria: Test data of octave band analysis verifying hood is capable of a 50 NC value when connected to a 50 NC HVAC source. Reading taken 3-feet in front of open sash at 110 fpm face velocity.

1.3 LINER SURFACE FINISH PERFORMANCE REQUIREMENTS

A. Test Procedure:

1. Test No. 1 - Spills and Splashes:

a. Suspend in a vertical plane a 42-inches (horizontal) by 12-inches (vertical) panel divided into 3/4-inch wide vertical columns, each column numbered 1 through 49.

b. Apply five (5) drops of each reagent listed with an eye dropper.

c. Apply liquid reagents at top of panel and allow to flow down full panel height. (Flush away any reagent drops.)

2. Test No. 2 - Fumes and Gases:

a. Divide 24-inch by 12-inch panel into 2-inch squares, each square numbered 1 through 49.

b. Place 25 milliliters of reagent into 100 milliliter beakers and position panel over beaker tops in the proper sequence. Note: Beaker pouring lip permits atmospheric oxygen to enter and participate in the reaction of the reagent fumes.

3. After 24 hours remove panel, flush with water, clean with naphtha and detergent, rinse, wipe dry and evaluate.

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.

LABORATORY FUME HOODS 11610 - 3

C. Test Results: "Poly Resin " Fume Hood Liner:

REAGENT LIST Test No. 1 Test No. 2 Concentrations by Weight Rating Spills Fumes

Sodium Hydroxide Flake ---- No Effect Sodium Hydroxide, 40% Excellent No Effect Sodium Hydroxide, 20% Excellent No Effect Sodium Hydroxide, 10% Excellent No Effect Ammonium Hydroxide, 28% No Effect No Effect Eldorado - Plus (Solution) No Effect No Effect Chloroform Excellent No Effect LpH SE (Solution) No Effect No Effect Trichloroethylene Excellent No Effect Monochlorobenzene Excellent No Effect Tincture of Iodine Excellent Excellent Methyl Alcohol No Effect No Effect Ethyl Alcohol No Effect No Effect Butyl Alcohol No Effect No Effect Phenol, 85% Excellent No Effect Cresol Excellent No Effect Sodium Sulfide, Saturated Good No Effect Furfural Fair No Effect Dioxane No Effect No Effect Zinc Chloride, Saturated No Effect No Effect Benzene Excellent No Effect Toluene Excellent No Effect Xylene Excellent No Effect Gasoline Excellent No Effect Naphthalene Excellent No Effect Methyl Ethyl Ketone Excellent No Effect Acetone Excellent No Effect Ethyl Acetate Excellent No Effect Amyl Acetate Excellent No Effect Ethyl Ether Excellent No Effect Silver Nitrate, 10% Good No Effect Di Methyl Formamide No Effect Excellent Formaldehyde, 37% No Effect No Effect Formic Acid, 88% No Effect No Effect Acetic Acid, Glacial No Effect No Effect Dichloro Acetic Acid, 93% Excellent Excellent Chromic Acid, Saturated Good No Effect Phosphoric Acid, 85% No Effect No Effect Sulfuric Acid, 33% No Effect No Effect Sulfuric Acid, 77% Excellent No Effect Sulfuric Acid, 93% Good No Effect Hydrogen Peroxide, 30% No Effect No Effect Acid Dichromate Excellent No Effect Nitric Acid, 20% Excellent No Effect

LABORATORY FUME HOODS 11610 - 4

Nitric Acid, 30% Excellent No Effect 40 & 47 Equal Parts Excellent Good Nitric Acid, 70% Excellent Good Hydrochloric Acid, 37% No Effect Excellent Hydrofluoric Acid, 48% No Effect Failure

1.4 COUNTERTOP SURFACE FINISH PERFORMANCE REQUIREMENTS

A. Countertops under the fume hoods are to be Epoxy: Factory molded of modified epoxy-resin formulation with smooth, nonspecular finish. Performance requirements of the countertops under the fume hoods to be the following:

1. Physical Properties:

a. Flexural Strength: Not less than 13,000 psi (90 MPa).

b. Compressive Strength: 35,000 psi Min. (241 MPa).

c. Tensile Strength: 10,700 psi Min. (74 MPa).

d. Flexural Modulus of Elasticity: Not less than 2,000,000 psi (13,790 MPa).

e. Density: 2.03 g/ cc.

f. Water Absorption (24 Hours): Not more than 0.02 percent.

g. Heat Distortion Point: Not less than 331 deg F (166 deg C).

h. Hardness (Rockwell M): Not less than 105.

2. Flame-Spread Index: 25 or less per ASTM E 84.

3. Chemical Resistance: Epoxy Resin material has the following ratings when tested with indicated reagents according to NEMA LD 3, Test Procedure 3.4.5:

a. No Effect: Acetic acid, sodium hydroxide (40%), ammonium hydroxide (28 percent), benzene, carbon tetrachloride, dimethyl formamide, ethyl ether, methyl alcohol, phenol, and toluene.

b. Slight Effect: Chromic acid (60 percent), acetone, ethyl acetate, nitric acid, sulfuric acid.

1.5 SUBMITTALS

A. Shop Drawings: Indicate equipment locations, large scale plans, elevations, cross sections, rough-in and anchor placement dimensions and tolerances and all required clearances.

B. 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, utility and service requirements and locations.

C. Samples: Submit 3 by 6-inch Samples of finish for fume hood, work surfaces and for other pre-finished equipment and accessories for selection by Architect.

D. Test Reports: Submit test reports on each size and type of hood verifying conformance to test performances specified. Test report must accompany each hood as part of installation and usage package. Submit independent test reports as required by specification.

LABORATORY FUME HOODS 11610 - 5

E. Instructions: Submit for review and approval.

1. Instructions to be inscribed on instruction plate to be attached to hood, as specified in Part 2 of this Section.

2. Written instructions in booklet form providing additional details on safe and proper operation and maintenance.

3. Professional Quality Video: Minimum 15 minutes in length on proper hood usage.

1.6 QUALITY ASSURANCE

A. Single source responsibility: Fume hoods, fume hood casework, work surfaces, and other laboratory equipment and accessories shall be manufactured or furnished by a single laboratory furniture company.

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

1. Five (5) years or more experience in manufacture of laboratory casework and equipment of type specified.

2. Ten (10) installations of equal or larger size and requirements.

3. UL 1805 Specification:

a. Fume Hood shall be Underwriters Laboratories subject 1805 classified.

The 1805 standard covers electrical and mechanical hazards, investigates the flammability of materials and measures the effectiveness of airflow characteristics. Proper labeling must be affixed to the face of each fume hood indicating classification to the UL 1805 standard for Laboratory Fume Hoods. UL listing covering electrical components only or other listings that do not encompass all issues covered in UL 1805 is insufficient. All factory testing shall be performed in a U.L. certified test facility.

C. Installer's Qualifications: Factory certified by the manufacturer. Comply with NCZ 9.5 Single-source case to OSHA Laboratory Standard Guidelines HPA 45.

1.7 DELIVERY, STORAGE AND HANDLING

A. Schedule delivery of equipment so that spaces are sufficiently complete that equipment can be installed immediately following delivery.

B. Protect finished surfaces from soiling or damage during handling and installation.

Keep covered with polyethylene film or other protective coating.

C. Protect all work surfaces throughout construction period with 1/4-inch corrugated cardboard completely covering the top and securely taped to edges. Mark cardboard in large lettering "NO STANDING."

LABORATORY FUME HOODS 11610 - 6

1.8 PROJECT CONDITIONS

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 weather tight.

2. Ceiling, overhead ductwork and lighting are installed.

3. All painting is completed and floor tile located below casework is installed.

PART 2 - PRODUCTS

2.1 MANUFACTURER

A. Basis-of-Design Product: Subject to compliance with requirements, provide “SafeAire II” 48 inch wide, 36 inch deep, single units, nonglazed laboratory fume hoods, as manufactured by Fisher Hamilton L.L.C.; or equivalent by one of the following:

1. Kewaunee.

2. Mott Manufacturing, Ltd.

2.2 FUME HOOD MATERIALS

A. Steel: High quality, cold rolled, mild steel meeting requirements of ASTM A366; gages U.S. Standard and galvanized.

B. Bypass Grilles: Low resistant type, 18-gage steel, upward directional louvers.

C. Safety Glass: 1/4-inch thick laminated safety glass.

D. Sash Cables: Stainless steel, uncoated, 1/8-inch diameter military spec. quality. (MIL- W-83420D-3).

E. Sash Guides: Corrosion resistant poly-vinyl chloride.

F. Pulley Assembly for Sash Cable: 2-inch diameter, zinc dichromate finish, ball bearing type, with cable retaining device. (Nylon tired not acceptable.).

G. Sash Pull: Full width corrosion resistant plastic, stainless steel or steel with chemical resistant powder coating.

H. Gaskets: 70 durometer PVC for interior access panels. Gasket interior access panels to eliminate air leakage and to retain liquids inside hood.

I. Fastenings:

1. Exterior structural members attachments: Sheet metal screws, zinc plated.

2. Interior fastening devices concealed. Exposed screws not acceptable. (Screw head "caps" not acceptable).

LABORATORY FUME HOODS 11610 - 7

3. Exterior panel member fastening devices to be corrosion resistant, non-metallic material. Exposed screws not acceptable.

J. Instruction plate: Corrosion resistant or plastic plate attached to the fume hood exterior with condensed information covering recommended locations for apparatus and accessories, baffle settings and use of sash.

2.3 FUME HOOD CONSTRUCTION

A. Superstructure: Rigid, self supporting assembly of double wall construction, maximum 4-7/8 inch thick, 36" depth.

1. Wall consists of a sheet steel outer shell and a corrosion resistant inner liner, and houses and conceals steel framing members, attaching brackets and remote operating service fixture mechanisms and services. Panels must be attached to a full frame construction, minimum 14-gage galvanized members. Panels and brackets attached to eliminate screw heads and metallic bracketry from hood interior.

2. Access to fixture valves concealed in wall provided by exterior removable access panels, gasketed access panels on the inside liner walls, or through removable front posts.

B. Exhaust Outlet: Rectangular with ends radiused, shaped and flanged, 18-gage stainless steel.

C. Access Opening Perimeter: Air foil or streamlined shape with all right angle corners radiused or angled. Bottom horizontal foil shall provide nominal one inch bypass when sash is in the closed position. Bottom foil shall be removable without use of special tools. Bottom foil shall provide access areas for electrical cords. Bottom Foil: Type 316 stainless steel to increase acid and abrasion resistance. Air foil and sill to extend no more than 1.5-inches in front of work surface on non-auxiliary air hoods to provide maximum aisle space and allow deeper usage.

D. Fume Hood Sash: Full view type with clear, unobstructed, side-to-side view of fume hood interior and service fixture connections.

1. Bottom Sash Rail: 2-inches maximum, stainless steel finish. Provide integral formed, flush pull the full width of bottom rail.

2. Set safety glass into rails in deep form, extruded poly-vinyl chloride glazing channels.

3. Counter Balance System: Single weight, pulley, cable, counter balance system which prevents sash tilting and permits one finger operation at any point along full width pull. Maximum 7 pounds pull required to raise or lower sash throughout its full length of travel. Design system to hold sash at any position without creep and to prevent sash drop in the event of cable failure. Life cycle test 100 pound sash and weight to 100,000 cycles without sign of failure.

Provide independent test data.

4. Open and close sash against rubber bumper stops. Sash shall lock in open position with manual override at 18 inches.

LABORATORY FUME HOODS 11610 - 8

E. Fume Hood Liner, at All Hoods: Poly-resin (product number denoted by the suffix "P"):

Reinforced polyester panel; smooth finish and white color in final appearance. Flexural strength: 14,000 psi. Flame spread: 15 or less per U.L. 723 and ASTM E84-80.

F. Baffles: Baffles providing controlled air vectors into and through the fume hood shall be fabricated of the same material as the liner. Provide exhaust slots full height on vertical sides of the baffle with upper and lower slots adjustable. Provide fixed, permanently open horizontal slot 17-inches above the work surface. Minimum depth of 28-1/4 inches for interior work space is required at the extreme upper portion of the fume hood to provide maximum interior work area. All baffle supports/brackets to be non-metallic.

G. Standard Fume Hood Remote Baffle Adjustments: Toggle style, one handed, single point control, accomplished while hood is in use, without disturbing apparatus, from outside right hand corner post of fume hood with sash in either the open or closed position, and permitting setting for (1) high thermal loading, (2) heavier than air gases or fumes generated near work surface, and (3) normal or average operation.

1. Remote Adjuster: Toggle style control handle and an acid resistant label indicating proper control…

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