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The Contractor shall deliver and install twelve (12) chemical fume hoods in accordance with the following specifications:

Part A. Requirements of the Company Providing Fume Hoods.

The Contractor must meet all the following conditions.

1. Manufacturer certified installer


2. Ability to deliver and install all components within six (6) months of contract award.


3. Allow multiple installation times for systems (see Part C)


4. Service the fume hoods it supplies.


5. Have service and support capabilities to respond to an onsite service call within one week


6. Have at least a 1-year warranty

Part B. Hardware Elements and Technical Requirements for Procurement.

Hardware and technical requirements for each of the 12 fume hoods are outlined below. All fume hoods shall be from the same manufacturer. All fume hoods shall run on 120 V electrical systems.

Table 1

Room

Dimension

service Fixture

GFCI Duplex

Cup sink

Cupsink location

Cabinet base Type

160

6ft by 37.7in

air & vac

1

N/A

N/A

acid

176

6ft by 31.7in

air & vac

1

Yes

Right Rear

acid

186

5ft by 31.7in

air & vac

1

Yes

Right Rear

acid

176

5ft by 31.7in

air & vac

1

Yes

Right Rear

acid

186

6ft by 31.7in

air & vac

1

Yes

Right Rear

acid

176-A

6ft by 37.7in

air & vac

1

Yes

Right Rear

acid

177-A

6ft by 37.7in

None

2

N/A

N/A

Flame

177-D

3ft by 37.7in

None

1

Yes

Right Rear

acid

178

4ft by 37.7in

None

2

N/A

N/A

Flame

Asphalt lab

6ft by 37.7in

None

2

N/A

N/A

Flame

181

5ft by 31.7in

air & vac

1

N/A

N/A

acid

181

6ft by 31.7in

air & vac

2

N/A

N/A

acid

FUME HOOD MATERIALS

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            1. Hood Interior Liner and Baffle
               
               
               
               
               1. Liner material must comply with UL 1805 and be listed within NRTL test report as proof of compliance.
               
               
               2. General Material Properties
                  
                  
                  
                  1. Nonflammable, corrosion and chemical-resistant
                  
                  
                  2. Sheet molded homogenous polyester panels
                  
                  
                  3. Minimum thickness is 3/16"
                  
                  
                  4. Smooth, white finish
                  
                  
                  
                  
               
               
               3. Mechanical Properties
                  
                  
                  
                  1. Tensile Strength: 7,500 PSI (51.7 Mpa)
                  
                  
                  2. Tensile Modulus: 1.7 x 10^6 PSI (11,700 Mpa)
                  
                  
                  3. Flexural Strength: 21,000 PSI (145 Mpa)
                  
                  
                  4. Flexural Strength at 130 degrees C: 12,900 PSI (89 Mpa)
                  
                  
                  5. Compressive Strength: 32,500 PSI (224 Mpa)
                  
                  
                  6. IZOD Impact Strength (Notched): 8.4 Ft Lb/in (4.5 J/cm)
                  
                  
                  
                  
               
               
               4. Flame and Smoke Characteristics
                  
                  
                  
                  1. Flame retardant, self-extinguishing, with a flame spread rating of 25 or less in accordance with ASTM-E84
                  
                  
                  2. Oxygen Index: 35%
                  
                  
                  3. Smoke Density: 115
                  
                  
                  
                  
               
               
               5. Physical Properties
                  
                  
                  
                  1. Water Absorption: 0.4%
                  
                  
                  2. Specific Gravity: 4.81
                  
                  
                  3. Coefficient of Thermal Expansion: 2 In/in/ degree C x 10^-5
                  
                  
                  4. Thermal Conductivity: 1.9 BTU/Hr/Ft^2/In/degree F
                  
                  
                  
                  
               
               
               6. Chemical Resistance
                  
                  
                  
                  1. Splash and Spill Resistance:
                     
                     
                     
                     1. Suspend sample panel in a vertical plane
                     
                     
                     2. Apply five drops of each reagent listed with an eyedropper
                     
                     
                     3. Apply liquid reagents at top of panel and allow to flow down full panel height
                     
                     
                     
                     
                  
                  
                  2. Fume Resistance:
                     
                     
                     
                     1. Place 25 milliliters of reagent into 100 milliliters beakers and position panel over beaker tops in the proper sequence. Ensure beaker pouring lip permits air to enter the interior atmosphere.
                     
                     
                     2. After 24 hours remove panel, flush with water, clean with detergent, rinse, wipe dry and evaluate
                     
                     
                     
                     
                  
                  
                  3. Evaluation ratings: Change in surface finish and function shall be described by the following numerical ratings
                     
                     
                     
                     1. No Effect: No change in color or gloss
                     
                     
                     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 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
                     
                     
                     
                     
                  
                  
                  4. Required minimum results for each reagent (Reagent: Fume Resistance Rating, Splash and Spill Resistance Rating)
                     
                     
                     
                     1. Hydrochloric Acid (37%): 2,1
                     
                     
                     2. Sulfuric Acid (33%): 2,1
                     
                     
                     3. Sulfuric Acid (77%): 1,1
                     
                     
                     4. Sulfuric Acid (96%): 1,2
                     
                     
                     5. Formic Acid (90%): 2,1
                     
                     
                     6. Nitric Acid (20%): 2,2
                     
                     
                     7. Nitric Acid (30%): 1,2
                     
                     
                     8. Nitric Acid (70%): 3,2
                     
                     
                     9. Hydrofluoric Acid (48%): 2,2
                     
                     
                     10. Phosphoric Acid (85%): 1,1
                     
                     
                     11. Chromic Acid (60%): 1,4
                     
                     
                     12. Acetic Acid (98%): 1,1
                     
                     
                     13. Ammonium Hydroxide (20%): 1,1
                     
                     
                     14. Sodium Hydroxide (10%): 1,1
                     
                     
                     15. Sodium Hydroxide (20%): 1,3
                     
                     
                     16. Sodium Hydroxide (40%): 1,3
                     
                     
                     17. Sodium Hydroxide Flake: 1,-
                     
                     
                     18. Sodium Sulfide: 1,1
                     
                     
                     19. Zinc Chloride: 2,1
                     
                     
                     20. Tincture of Iodine: 3,3
                     
                     
                     21. Silver Nitrate: 2,1
                     
                     
                     22. Methyl Alcohol: 1,1
                     
                     
                     23. Ethyl Alcohol: 1,1
                     
                     
                     24. Butyl Alcohol: 1,1
                     
                     
                     25. Benzene: 1,1
                     
                     
                     26. Xylene: 1,1
                     
                     
                     27. Toluene: 1,1
                     
                     
                     28. Gasoline: 1,1
                     
                     
                     29. Dichloro Acetic Acid: 2,2
                     
                     
                     30. Dimethyl Formanide: 2,2
                     
                     
                     31. Ethyl Acetate: 1,1
                     
                     
                     32. Amyl Acetate: 1,1
                     
                     
                     33. Acetone: 1,1
                     
                     
                     34. Chloroform: 1,1
                     
                     
                     35. Carbon Tetrachloride: 1,1
                     
                     
                     36. Phenol: 2,2
                     
                     
                     37. Cresol: 1,1
                     
                     
                     38. Formaldehyde: 1,1
                     
                     
                     39. Trichloroethylene: 1,1
                     
                     
                     40. Ethyl Ether: 1,1
                     
                     
                     41. Furfural: 1,3
                     
                     
                     42. Methylene Chloride: 1,1
                     
                     
                     43. Mono Chloro Benzene: 1,1
                     
                     
                     44. Dioxane: 1,1
                     
                     
                     45. Methyl Ethyl Ketone: 1,1
                     
                     
                     46. Acid Dichromate: 1,2
                     
                     
                     47. Hydrogen Peroxide: 1,1
                     
                     
                     48. Napthalene: 1,1
                     
                     
                     
                     
                  
                  
                  5. Sheet Steel
                     
                     
                     
                     1. Side panels and access panels 20-gauge (or heavier) sheet steel.
                     
                     
                     2. Hood corner posts are 16-gauge sheet steel.
                     
                     
                     3. Ceiling enclosure panels are 18-gauge sheet steel.
                     
                     
                     4. Cold-rolled, commercial steel (CS) sheet, complying with ASTM A 1008/A 1008M.
                     
                     
                     
                     
                  
                  
                  
                  
               
               
               
               
            
            
            2. Chemical Resistant Finish
               
               
               
               1. General: Prepare, treat, and finish welded assemblies after welding. Prepare, treat, and finish components that are to be assembled with mechanical fasteners before assembling.
               
               
               2. Chemical and Physical Resistance of Finish System: Finish complies with acceptance levels of cabinet surface finish tests in SEFA 8. Third party validation required.
               
               
               3. Powder-coat process required. Paint processes that release Volatile Organic Compounds (VOC) are not acceptable
               
               
               4. Color for Fume Hood Finish:
                  
                  
                  
                  1. Glacier White
                  
                  
                  
                  
               
               
               
               
            
            
            
            
         
         
         
         
      
      
      
      
   
   
   
   

5. Safety Glass

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               1. 
                  
                  
                  
                  1. Tempered
                  
                  
                  2. Clarity and temper test to be as specified in latest edition of Glass Tempering Association, Engineering Standards Manual, Section 8.1.
                  
                  
                  3. Surface and interior visible quality to be as specified per ASTM C 1036, Standard Specification for Flat Glass, Table 4, Quality level Q3.
                  
                  
                  
                  
               
               
               
               
            
            
            
            
         
         
         
         
      
      
      
      
   
   
   
   

FUME HOOD CONSTRUCTION

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            1. Superstructure:
               
               
               
               1. Self-supporting, rigid structural assembly, to support inner wall consisting of fume hood liner and outer wall of sheet metal exterior.
               
               
               2. Fabricated from galvanized steel.
               
               
               3. Space shall accommodate fume hood wiring and plumbing components for service fixtures.
               
               
               4. Access to fixture valves concealed in wall provided by exterior removable access panels, gasket access panels on the inside liner walls, or through removable access panels on the front posts.
               
               
               
               
            
            
            2. Exterior
               
               
               
               1. Fabricate from steel sheet with component parts screwed together.
               
               
               2. Apply chemical-resistant finish to interior and exterior surfaces of component parts before assembly.
               
               
               3. Interchangeable side panels shall lift off without the use of tools to allow access to plumbing lines, service fittings, electrical wiring, counterbalance sash weights, and light fixtures. Exposed fasteners or hardware, and Velcro type fasteners, are not acceptable.
               
               
               4. Corner posts
                  
                  
                  
                  1. Pre-punched and plugged to accommodate up to 4 service fixtures per side
                  
                  
                  2. All services are accessible from the front of the hood.
                  
                  
                  3. Aerodynamic shape
                  
                  
                  4. Accommodate two electrical duplexes per side.
                  
                  
                  5. Right hand corner post includes electrical switches and pre-cut for Airflow monitor installation.
                  
                  
                  6. Un-used penetrations shall be plugged.
                  
                  
                  
                  
               
               
               5. Top and sides of face opening to provide an aerodynamic shape to ensure smooth, even flow of air into fume hood.
               
               
               6. Panel above header shall be removable without the use of tools to allow access to mechanical connection, electrical wiring, counterbalance sash weights, and light fixtures. Exposed fasteners or hardware, and “hook-and-loop” type fasteners, are not acceptable.
               
               
               
               
            
            
            3. Hood Liner
               
               
               
               1. Adhere interior liner components to superstructure.
               
               
               2. Stainless steel fasteners shall be used on the interior ceiling for structural integrity.
               
               
               3. Fasteners exposed to chemical environment are not acceptable.
               
               
               4. Punch fume hood lining side panels to receive four service fittings, for use with remote controls, per side. Provide removable plug buttons for holes not used for indicated fittings.
               
               
               5. Each side wall shall include an oval interior access panel to provide access to the side wall of the fume hood for plumbing service access. Access panel material shall be that of the liner, and gasketed to form a vapor proof seal.
               
               
               
               
            
            
            4. Hood Baffle
               
               
               
               1. Baffle system shall be designed to optimize the face velocity profile, and to capture a wide range of gaseous densities without adjustment or moving components.
               
               
               2. Shall provide a continuous horizontal slot at the work surface. Baffle panels shall have multiple horizontal slots, with a chamfered entry. Slot pattern shall be proven to optimize face velocity profile.
               
               
               3. The baffle system shall be constructed with the same material as the fume hood liner.
               
               
               4. The baffles shall be removable for cleaning. The primary baffles shall be three pieces to allow removal without the use of tools.
               
               
               5. Exposed components to be non-metallic. Metal components exposed to chemical environment are not acceptable.
               
               
               6. Moving parts or adjustment of any kind is not acceptable.
               
               
               
               
            
            
            5. Exhaust Connection
               
               
               
               1. 316 stainless steel with Chemical-Resistant Finish
               
               
               2. 12.81" ID to accommodate any 12” nominal duct without the need for a transition adapter. 3, 4, 5, and 6-foot hoods have one exhaust connection, 7 and 8-foot hoods have two exhaust connections. Additional components required to accommodate 12” nominal mechanical system are not acceptable.
               
               
               3. Ducting shall go inside the duct collar to ensure condensate travels into the hood and evaporates. Duct collars that allow duct connection over the collar are not acceptable.
               
               
               4. Vent kits to adapt to current in place vents may be necessary and supplied by the vendor.
               
               
               
               
            
            
            6. Airfoil
               
               
               
               1. Cold Rolled Steel with Chemical-Resistant Finish.
               
               
               2. Airfoil shall have an aerodynamic radius to sweep the air into the hood with minimal turbulence. Airfoil directs airflow across work top to remove heavier-than-air gases.
               
               
               3. Must have 5 rows of perforations to allow the air to bypass underneath and through the foil and sweep across the work surface to prevent any back flow of fumes escaping from the front of the hood opening. This airflow continues even if blocked by the presence of the operator.
               
               
               4. Foil must extend back under the sash to prevent closure of the lower by-pass opening when the sash is in the fully closed position, directly on top of the airfoil.
               
               
               
               
            
            
            7. Sash Assembly
               
               
               
               1. Glass: Fully tempered safety glass with unobstructed, side-to-side view of fume hood interior and service fixture connections.
               
               
               2. Dimensions: The full sash opening height is 28", the total unobstructed viewing height is 37.5" measured from the work surface.
               
               
               3. Sash Tracks: Steel with Chemical Resistant Finish. Shall include bump stops for opening and closing.
               
               
               4. Sash Handle: extruded aluminum with Chemical Resistant Finish. Sash handle includes a perforated air passage directly atop the handle to bleed air into the hood chamber and direct chemical fumes away from the user's breathing zone. The handle is ergonomic in design and is easy to grasp when operating
               
               
               5. Sash guides: Corrosion resistant extruded poly-vinyl chloride.
               
               
               6. Sash System shall be either:
                  
                  
                  
                  1. Vertical Sash (Cable and Pulley)
                     
                     
                     
                     1. Hoods have a single vertical sash counterbalanced by a single weight.
                     
                     
                     2. Sash and weight to be connected via aircraft cable meeting MIL-W-83420 Military Specification.
                     
                     
                     3. Rear pulleys shall be connected via timing shaft to prevent sash tilting and permit one finger operation at any point along full width sash handle. Maximum 7 pounds pull required to raise or lower sash throughout its full length of travel.
                     
                     
                     4. Design system to hold sash at any position without creep and to prevent sash drop in the event of cable failure.
                     
                     
                     5. Include a defeatable, and automatically resetting sash stop positioned for an 18” sash height.
                     
                     
                     
                     
                  
                  
                  2. Vertical Sash (Chain and Sprocket)
                     
                     
                     
                     1. Hoods have a single vertical sash counterbalanced by a single weight.
                     
                     
                     2. Sash and weight to be connected via #35 chains.
                     
                     
                     3. Rear sprockets shall be connected via timing shaft to prevent sash tilting and permit one finger operation at any point along full width sash handle. Maximum 7 pounds pull required to raise or lower sash throughout its full length of travel.
                     
                     
                     4. Design system to hold sash at any position without creep and to prevent sash drop in the event of chain failure.
                     
                     
                     5. Include a defeatable, and automatically resetting sash stop positioned for an 18” sash height.
                     
                     
                     
                     
                  
                  
                  
                  
               
               
               
               
            
            
            
            
         
         
         
         
      
      
      
      
   
   
   
   

Electrical Components

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               1. Lighting
                  
                  
                  
                  1. Provide UL Listed, high-efficiency, quick-start, T8 LED lighting systems, including bulbs.
                     
                     
                     
                     1. 3 Foot Hoods - 2 each, 12-watt LED lamps
                     
                     
                     2. 4 Foot Hoods - 2 each, 15-watt LED lamps
                     
                     
                     3. 5 Foot Hoods - 2 each, 15-watt LED lamps
                     
                     
                     4. 6 Foot Hoods - 2 each, 12-watt LED lamps
                     
                     
                     
                     
                  
                  
                  2. Vapor-Proof: all electrical components shall be outside of the contaminated air space. Lighting shall be located behind a laminated safety glass shield, sealed to the top of the hood liner.
                  
                  
                  3. The LED light assemblies shall be serviceable from outside the fume hood cavity, without the use of tools.
                  
                  
                  4. Light switch to be included on the lower right corner post, at heights compliant with the Americans with Disabilities Act (ADA).
                  
                  
                  
                  
               
               
               2. Blower Switch shall be either a or b the offeror shall verify on site before ordering.
                  
                  
                  
                  1. Hoods shall be provided with blower switch, on the lower right corner post, at heights compliant with the Americans with Disabilities Act (ADA).
                  
                  
                  2. Hoods shall be provided without a blower switch, as they will share a single mechanical system with other hoods.
                  
                  
                  
                  
               
               
               3. Electrical Receptacles
                  
                  
                  
                  1. The hoods shall accommodate up to four (two per corner post) electrical receptacles as indicted in schedule or drawings. Options to include:
                     
                     
                     
                     1. 115-volt, 60 Hz, three-wire polarized and grounded electrical duplex, with Ground Fault Circuit Interruption (GFCI)
                     
                     
                     
                     
                  
                  
                  2. Receptacles shall be individually wired to field wiring box, and each rated at 20 Amperes.
                  
                  
                  3. Cover plates shall be acid resistant thermoplastic.
                  
                  
                  
                  
               
               
               4. Wiring
                  
                  
                  
                  1. Every electrical component shall be individually wired to a single point internal field wiring box (including individual duplexes/receptacles).
                  
                  
                  2. Field wiring box to be 7” x 4” x 2.5”, grounded, and have (12) 7/8” diameter knock out penetrations.
                  
                  
                  3. Final wiring and circuit dedication is to be by others.
                  
                  
                  4. Each receptacle circuit shall accommodate being wired to a dedicated building circuit rated at 20A, or the receptacles wired to a single circuit with the total load not exceeding 20 Amperes.
                  
                  
                  
                  
               
               
               5. Fume hood to have third party validation of compliance to UL 1805 and UL 61010-1 by a Nationally Recognized Testing Laboratory (NRTL)
               
               
               
               
            
            
            2. By-Pass Opening
               
               
               
               1. The size of the by-pass opening is controlled by sash position for use with a constant volume mechanical system. The hood shall not have a change in static pressure or exhaust volume across all sash positions.
               
               
               
               
            
            
            3. Hood Safety Practices Label: Corrosion resistant plate attached to the left corner post of the fume hood with the following Hood Safety Practices:
               
               
               
               1. For use with substances that produce hazardous levels of airborne chemicals: gas, fumes, vapors, dust
               
               
               2. Do not put your head in the hood.
               
               
               3. Minimize drafts and sudden movements in front of the hood.
               
               
               4. Work a minimum of six inches inside the hood.
               
               
               5. Elevate equipment above the work surface.
               
               
               6. Keep sill and baffle unobstructed.
               
               
               7. Do not use the hood for storage.
               
               
               8. Adjust the sash to smallest opening possible when in use.
               
               
               9. Close sash when unattended.
               
               
               10. Do not remove any of the hood components.
               
               
               11. Do not place flammable solvents near heat, flame or sparks.
               
               
               12. Do not evaporate large amounts of flammable liquids.
               
               
               13. Wipe up spills immediately.
               
               
               14. Routinely validate airflow.
               
               
               15. If the ventilation system malfunctions, or airflow alarm indicates unsafe condition, close sash and discontinue hood operation immediately-call for help.
               
               
               16. Do not use with Biohazards or Perchloric Acid
               
               
               
               
            
            
            
            
         
         
         
         
      
      
      
      
   
   
   
   

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            1. Fume Hood Accessories
               
               
               
               1. Service Fixtures: Color-coded hose nozzle outlets and valves mounted inside the fume hood and controlled from the exterior with color-coded index handles
                  
                  
                  
                  1. Service lines shall be factory installed from valve to outlet
                     
                     
                     
                     1. Copper tubing unless otherwise noted
                     
                     
                     2. Brass service lines for gas
                     
                     
                     3. Stainless steel service lines for Deionized Water
                     
                     
                     4. Connections shall be made with quick-connect compression fittings on the inlet and outlet of the valve body, soldered and brazed connections not easily disassembled are not acceptable.
                     
                     
                     5. Existing Services are pre-piped to the top of the hood or below the hood.
                     
                     
                     
                     
                  
                  
                  2. Valves
                     
                     
                     
                     1. Extruded brass valve and rotating seat, TFE-coated silicone bronze stem and TFE packing.
                     
                     
                     2. Fixture handles are plastic and color coded as well as labeled for the designated type of service.
                     
                     
                     3. Fixtures are rated at maximum pressure of 200 psi.
                     
                     
                     4. Coefficient of flow for the valve, Cv=0.43.
                     
                     
                     5. Valves are front loaded, located on the fume hood corner post for remote use, and include:
                        
                        
                        
                        1. Hot and cold tap water
                        
                        
                        2. Air
                        
                        
                        3. Vacuum
                        
                        
                        
                        
                     
                     
                     
                     
                  
                  
                  
                  
               
               
               2. Rear Finish Panels, if needed: Shall be the same materials and coating as the hood exterior.
               
               
               3. Ceiling Enclosure Panels, if needed:
                  
                  
                  
                  1. Provide filler panels matching fume hood exterior to enclose space above fume hoods at front and sides of fume hoods and extending from tops of fume hoods to ceiling.
                  
                  
                  2. Exposed fasteners are not acceptable.
                  
                  
                  3. Height adjustment to be within the following ranges.
                     
                     
                     
                     1. 11.0 - 14.0”
                     
                     
                     2. 14.0 – 18.6”
                     
                     
                     3. 18.6 – 24.4”
                     
                     
                     
                     
                  
                  
                  
                  
               
               
               4. Face Velocity Monitor/Alarm
                  
                  
                  
                  1. Digital Airflow Monitor
                     
                     
                     
                     1. Provide audible and visual alarm in the event of an unsafe face velocity.
                     
                     
                     2. Alarm must sit flush with the fume hood corner post.
                     
                     
                     3. Based on a thermally compensated thermistor in the alarm module, and air passing through a separate airstream into the hood interior.
                     
                     
                     4. Velocity shall be displayed digitally on the user facing LCD in fpm or m/s.
                     
                     
                     5. LED lights display red for alarm, yellow for caution, and green for normal operation.
                     
                     
                     6. Must include external alarm and night setback functions.
                     
                     
                     7. Alarm mute shall be accessible from the front of the monitor; visual alarm must remain activated until alarm condition is corrected.
                     
                     
                     8. UL Listed electrical components
                     
                     
                     9. Calibration shall be through a menu driven step by step procedure.
                     
                     
                     10. Calibration is the responsibility of the owner, following a complete balancing of the mechanical system, and concurrently with As-Installed testing.
                     
                     
                     
                     
                  
                  
                  2. Audio/Visual Airflow Monitor
                     
                     
                     
                     1. Provide audible and visual alarm in the event of an unsafe face velocity.
                     
                     
                     2. Alarm must sit flush with the fume hood corner post.
                     
                     
                     3. Based on a thermally compensated thermistor in the alarm module, and air passing through a separate airstream into the hood interior.
                     
                     
                     4. LED lights display red for alarm and green for normal operation.
                     
                     
                     5. Must include external alarm and night setback functions.
                     
                     
                     6. Alarm mute shall be accessible from the front of the monitor; visual alarm must remain activated until alarm condition is corrected.
                     
                     
                     7. UL Listed electrical components
                     
                     
                     8. Calibration shall be through a front located potentiometer.
                     
                     
                     9. Calibration is the responsibility of the owner, following a complete balancing of the mechanical system, and concurrently with As-Installed testing.
                     
                     
                     
                     
                  
                  
                  
                  
               
               
               
               
            
            
            
            
         
         
         
         
      
      
      
      
   
   
   
   

Work Surface

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               1. 1.25” thick, molded from solid modified epoxy resin, with smooth, non-specular, black finish.
               
               
               2. One inch radius front edge for optimal fume hood performance.
               
               
               3. 3/8” dished area to match the fume hood interior workspace and form a watertight pan for spill containment.
               
               
               4. Include a 2.5” diameter hole on each side for service pass-through and piping. Hole to be covered by hood superstructure upon installation.
               
               
               5. Include two 1.5” diameter penetrations to accommodate base cabinet venting. Holes to be located outside of dished area and under the fume hood baffles. Include plugs.
               
               
               6. Physical Properties:
                  
                  
                  
                  1. Flexural Strength: Not less than 10,000 psi.
                  
                  
                  2. Modulus of Elasticity: Not less than 2,000,000 psi.
                  
                  
                  3. Hardness (Rockwell M): Not less than 100.
                  
                  
                  4. Water Absorption (24 Hours): Not more than 0.02 percent.
                  
                  
                  5. Heat Distortion Point: Not less than 260 deg F.
                  
                  
                  6. Flame-Spread Index: 25 or less per ASTM E 84.
                  
                  
                  
                  
               
               
               7. Cupsink where called out in the schedule
                  
                  
                  
                  1. 3 x 6” dimension, polypropylene construction
                  
                  
                  2. Provide with strainers and tailpieces, NPS 1-1/2
                  
                  
                  3. To sit flush with dished area of work surface
                  
                  
                  4. Cupsink(s) to be located where called out in the schedule
                  
                  
                  
                  
               
               
               
               
            
            
            
            
         
         
         
         
      
      
      
      
   
   
   
   

Supporting Base Cabinets

1. 
   
   
   
   1. 
      
      
      
      1. 
         
         
         
         1. 
            
            
            
            1. 
               
               
               
               1. Base cabinets shall be in depths needed to fit the fume hoods, widths, quantities, and types called out in the equipment schedule and meet the requirements of this specification.
               
               
               2. Construction requirements for all cabinets
                  
                  
                  
                  1. Exterior construction is 18-gauge (or heavier) cold rolled sheet steel with Chemical Resistant Finish.
                  
                  
                  2. Hinges are 10-gauge (or heavier) plate with self-clinching pilot pin. Knuckle, bullet, or piano type hinges are not accepted.
                  
                  
                  3. The rear panel will feature a 12" x 8" removable plumbing access panel.
                  
                  
                  4. Units 24" wide or less have only one door.
                  
                  
                  5. Each cabinet includes four leveling feet.
                  
                  
                  6. Capable of supporting up to 800 pounds.
                  
                  
                  7. A filler panel is required to increases the cabinet depth to work surface depth.
                  
                  
                  
                  
               
               
               3. Standard Storage
                  
                  
                  
                  1. Overall exterior dimensions:
                     
                     
                     
                     1. 48" 48" w x 22" d x 35.5"-36.75"
                     
                     
                     2. 36" 36" w x 22" d x 35.5"-36.75"
                     
                     
                     3. 30" 30" w x 22" d x 35.5"-36.75"
                     
                     
                     4. 24" 24" w x 22" d x 35.5"-36.75" h or 31.5"-32.75" for ADA cabinet
                     
                     
                     5. 18" 18" w x 22" d x 35.5"-36.75" h or 31.5"-32.75" for ADA cabinet
                     
                     
                     6. 12" 12" w x 22" d x 35.5"-36.75" h or 31.5"-32.75" for ADA cabinet
                     
                     
                     
                     
                  
                  
                  2. Flush pull handles are ABS, low gloss black.
                  
                  
                  
                  
               
               
               4. Acid Storage
                  
                  
                  
                  1. Overall exterior dimensions:
                     
                     
                     
                     1. 48" 48" w x 22" d x 35.5"-36.75"
                     
                     
                     2. 36" 36" w x 22" d x 35.5"-36.75"
                     
                     
                     3. 30" 30" w x 22" d x 35.5"-36.75"
                     
                     
                     4. 24" 24" w x 22" d x 35.5"-36.75" h or 31.5"-32.75" for ADA cabinet
                     
                     
                     5. 18" 18" w x 22" d x 35.5"-36.75" h or 31.5"-32.75" for ADA cabinet
                     
                     
                     
                     
                  
                  
                  2. Completely lined with a polyethylene corrosion resistant liner. The liner is 3/16" thick, with a vacuum formed PVC liner pan at the bottom to contain spills. Each door has a 3/16" sheet polyethylene liner.
                  
                  
                  3. The cabinet is labeled: "ACID".
                  
                  
                  4. Flush pull handles are ABS, low gloss black.
                  
                  
                  5. Each cabinet is vented into the fume hood with a 1‑1/2" vent pipe. It should provide a positive airflow directly into the fume hood exhaust system.
                  
                  
                  6. Supply an epoxy coated steel shelf with PVC liner pan if indicated in the schedule.
                  
                  
                  7. Acid cabinets with louvers are not acceptable
                  
                  
                  
                  
               
               
               5. Solvent Storage
                  
                  
                  
                  1. Overall exterior dimensions:
                     
                     
                     
                     1. 48" 48" w x 22" d x 35.5"-36.75"
                     
                     
                     2. 36" 36" w x 22" d x 35.5"-36.75"
                     
                     
                     3. 30" 30" w x 22" d x 35.5"-36.75"
                     
                     
                     4. 24" 24" w x 22" d x 35.5"-36.75" h or 31.5"-32.75" for ADA cabinet
                     
                     
                     
                     
                  
                  
                  2. Solvent storage cabinets are specifically designed for the storage of flammable and combustible liquids.
                  
                  
                  3. Solvent Storage Cabinet must be compliant with NFPA 30 “Flammability and Combustible Liquids Code.”
                  
                  
                  4. Cabinets 30" wide and greater shall be tested and approved by Factory Mutual to meet Factory Mutual Approval Standard 6050.
                  
                  
                  5. The bottoms, top, sides, and doors are fabricated of 18-gauge steel and are all double panel construction with a 1‑1/2" air space between panels.
                  
                  
                  6. All joints are welded or screwed to provide a rigid enclosure. A 2" deep liquid tight pan that covers the entire bottom of the cabinet is furnished to contain liquid leaks and spills.
                  
                  
                  7. A full-depth, 18-gauge steel, adjustable shelf is also provided. Shelves are sealed leak tight.
                  
                  
                  8. Two diametrically opposed flame arrestor vents with spark screens are provided in the back of the cabinet, as well as a grounding screw.
                  
                  
                  9. The cabinet has an interior finish same as the exterior.
                  
                  
                  10. The cabinet is labeled: "FLAMMABLE ‑ KEEP FIRE AWAY".
                  
                  
                  11. The right-hand door shall have a three point latching device.
                  
                  
                  12. Door handles include a key lock. Solvent storage handles are locking lever handles with bright chrome finish.
                  
                  
                  13. If noted on the schedule, self-closing/self-latching models shall be provided with a fusible‑link feature to ensure the doors will close if the temperature outside the cabinet exceeds 165 degrees Fahrenheit. The doors are synchronized so that both doors will fully close.
                  
                  
                  
                  
               
               
               
               
            
            
            
            
         
         
         
         
      
      
      
      
   
   
   
   

Part C. Incidental Installation Service Requirements

Specific tasks to be conducted:

1. Perform a site visit (post award) to size the fume hoods for size requirements, airflow, connections, and chemical protection needed.


2. Order and receive fume hoods and components needed for install to be received at the contractor’s facility.


3. Validate the install dates with the Government Technical Point of Contact (TPOC).


4. Disconnect, remove, and dispose of all existing fume hood components.


5. Installation of new fume hoods and connecting the fixtures and outlets.


6. Commissioning and calibration of new fume hoods.

The fume hoods support ongoing research with different schedules so installation will have to be timed separately for the fume hoods in separate building locations. It is anticipated that all installations can be accommodated in two (2) installation trips, but number of trips remains up to the Contractor. The Contractor shall connect new fume hoods to existing utilities at site of existing hoods if present. The Contractor will not be required to run any utilities for the new hoods. This requirement is a one-for-one replacement of the existing fume hoods.

Part D. General Information

1. Location and Schedule

Work Location: CRREL, 72 Lyme Rd, Hanover NH 03755. The 10 fume hoods are located in the following rooms and buildings Main laboratory rooms 181, 160, 176 x 2, 186 x 2, 176A, 177A, 177D, 178 and asphalt laboratory building. In room 177B there will be the removal and disposal of an existing unused fume hood. In the asphalt laboratory the installation will not require a removal of an existing fume hood.

2. Operational Security Requirements (AT/OPSEC)

1. General security requirements and guidance: The security requirements described below apply to all contract personnel (including employees of the prime Contractor (“Contractor”) and all subcontractor employees) supporting the performance requirements of this contract. The Contractor is responsible for compliance with these security requirements. Questions regarding security matters shall be addressed to the designated Government representative (e.g., Contracting Officer Representative (COR), Requiring Activity (RA) representative, or Contracting Officer (if a COR or other RA representative is not appointed)). Contract personnel are critical to the overall security and safety of US Army Corps of Engineers (USACE) installations, facilities and activities, and security awareness training contributes to those efforts. The Department of Defense (DoD) and Army security training requirements specified below, if applicable, are performance requirements; all applicable contract personnel shall complete initial training within 30 days of contract award or the date new contract personnel begin performance on the contract. Within five business days from the completion of training, the Contractor shall provide written documentation (e.g., email or memorandum) to the Government representative. The documentation shall include the names of contract personnel trained and which training they completed; the Contractor shall maintain training records as part of their contract files and be prepared to provide copies of training certificates to the Government representative. Contractor personnel and vehicles are subject to search when entering federal installations. Additionally, all contract personnel shall comply with Force Protection Condition (FPCON) measures, Random Antiterrorism Measures (commonly referred to as “RAMs”), and Health Protection Condition (HPCON) measures. The Contractor is responsible for meeting performance requirements during elevated FPCON and/or HPCON levels in accordance with applicable RA plans and procedures—this includes identifying mission essential and non-mission essential personnel. In addition to the changes otherwise authorized by the changes clause of this contract, should the FPCON or HPCON levels at any individual facility or installation change, the Government may implement security changes that affect contract personnel. The Contractor shall ensure all contract personnel are aware of their security responsibilities, including any site-specific requirements identified in local policies or procedures.

2. Physical security and access control requirements: All contract personnel requiring physical access to a federal installation or facility shall comply with the access control procedures of that location. Contract personnel requiring unescorted access to meet contract performance requirements on a DoD installation in the US shall be vetted by the installation/facility Provost Marshal/Directorate of Emergency Services/Security Office using the National Crime Information Center-Interstate Identification Index (commonly referred to as “NCIC-III”) and Terrorist Screening Database (commonly referred to as “TSDB”). Contract personnel shall comply with all personal identity verification requirements specified in installation/facility policies and procedures. Contract personnel who do not meet requirements for unescorted access to USACE facilities shall coordinate escorted access with the Government representative, as needed.

3. Suspicious Activity Reporting training (e.g. iWATCH, CorpsWatch, or See Something, Say Something): All contract personnel shall receive initial and annual refresher training from the RA representative on the local suspicious activity reporting program. This locally developed training provides contract personnel with general information on suspicious behavior, and guidance on reporting suspicious activity to the project manager, security representative or law enforcement entity.

4. Pre-screen candidates using E-Verify Program: Contractors shall comply with the requirements set forth in FAR clause 52.222-54 Employment Eligibility Verification and FAR Subpart 22.18 in using the E-Verify Program at (https://www.e-verify.gov/) (website subject to change) to meet the contract employment eligibility requirements. Contractors are encouraged to cooperate with Federal and State agencies responsible for enforcing labor requirements to include eligibility for employment under United States immigration laws in accordance with FAR 22.102-1(i). An initial list of verified/eligible candidates shall be provided to the COR no later than three business days after the initial contract award.

Attachments/Links