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["Advanced Technology Specification: \nLaboratory Fume Hoods\n"]
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["Summary"]
["The U.S. Department of Energy (DOE) and the Commercial Building Energy Alliances (CBEA) have developed this specification  for high-efficiency Laboratory Fume Hoods (LFH) with input from manufacturers and other stakeholder organizations.  This specification provides a description of required and recommended performance characteristics resulting in increased energy savings for LFHs in commercial buildings. "]
["\nThrough the creation of high-performance specifications, the CBEA members signal their collective interest in more efficient equipment and challenge manufacturers to deliver competitively-priced, innovative products.\n"]
["\nMore on the DOE and CBEA activities, including other energy saving specifications, can be found at:  http://www1.eere.energy.gov/buildings/alliances/"]
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["Specification Contents"]
["This file contains two specifications, both of which include the same energy requirements."]
["i. ","The 'Energy-Only Specification' provides only the energy-related requirements as a guide for CBEA purchasers to incorporate in their own specifications. "]
["ii. ","The 'Full Specification' provides an example of a comprehensive purchase specification including energy-related items and all other relevant elements. This specification can be customized by the CBEA purchaser to suit their specific needs. "]
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["Instructions for Using this Specification"]
["i.","Please fill in the appropriate project information in the header of each specification. "]
["ii.","For the 'Energy-Only Specification', please use energy-related requirements as a guide during modifications to your own comprehensive purchase specification, or as a supplementary attachment. "]
["iii. ","For the 'Full Specification', fill in all input cells (shaded in light blue)."]
[null,"a. ","Use 'n/a' for information not required for your specific needs. "]
[null,"b.","If the purchaser requires additional items for the specification, use the customizable cells (shaded in light green)."]
[null,"c.","Once the purchaser has completed the form, select the \"Finalize\" icon. \nNote:  Internet access required for full functionality. "]
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[null,"Legend"]
[null,"Input Cell"]
[null,"User-Customizable Cell"]

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["Advanced Technology Specification: \nLaboratory Fume Hood\n"]
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["Energy-Efficiency Requirements"]
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["A.","Minimum Efficiency Requirements & Test Method"]
[null,"i.","When testing to the requirements described below, the fume hood shall meet all applicable containment requirements in Section 6.1.2.7 of ANSI/AIHA Z9.5-2012, which specifies that the control level for the tracer gas test in Section 7 of ANSI/ASHRAE 110-1995 shall not exceed 0.05 ppm \"as manufactured.\""]
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[null,"ii.","The fume hood shall meet the following requirements, which shall be verified according to Section 6 of the ANSI/ASHRAE 110-1995 test method:"]
[null,null,"a.","For bypass and variable volume hoods, when the sash is open to the Design Sash Opening specified by the manufacturer and the face velocity is set to 65 fpm, the fume hood shall meet the containment requirements specified above."]
[null,null,"b.","For variable volume hoods, when the sash is closed and the fume hood exhaust is set to 250 ACH, the fume hood shall meet the containment requirements specified above."]

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["Advanced Technology Specification: \nLaboratory Fume Hood\n"]
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["1. General "]
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["1.1 Scope"]
["A. ","This specification applies to bypass and variable volume hoods in both dedicated-fan and manifolded configurations.\n"]
[null,"i. ","Bypass hoods are defined as constant air volume laboratory hoods that incorporate an opening (bypass area) in the upper portion of the hood structure. When the movable sash is fully open, the sash blocks off this bypass area and all of the airflow into the laboratory hood must pass through the open face area. However, as the sash is being closed to reduce the open face area, at a specific point an amount of bypass area is being uncovered. The increase in the bypass area opening offsets the decrease in the face area opening, thus providing an alternative path (the uncovered bypass area) for air to flow into the laboratory hood. When utilized with a constant air volume ventilation system, the bypass area keeps the laboratory hood face velocity relatively constant and from increasing to an objectionably high value as the sash is lowered."]
[null,"ii. ","Variable volume hoods are defined as laboratory hoods that are designed so the exhaust volume is varied in proportion to the opening of the hood face by changing the speed of the exhaust blower or by operating a damper or control valve in the exhaust duct."]
[null,"iii.","A dedicated-fan fume hood is defined as a fume hood that is sold by the manufacturer with its own fans and fan motor(s) that operate independently of other fume hoods."]
[null,"iv.","A manifolded fume hood is defined as a fume hood that relies on remote exhaust fan(s) to supply ventilation, which are not packaged with the fume hood as sold by the manufacturer. "]
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["B. ","This specification does not apply to ductless hoods, glove boxes, biosafety cabinets, perchloric acid hoods, or auxiliary fume hoods."]
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["1.2 Submittals"]
["A. ","Manufacturer shall provide product data and drawings stating the following:"]
[null,"i.","Test data and design criteria which are in compliance specifications"]
[null,"ii.","All certifications required in the specifications "]
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["B.","Operation and Maintenance Data"]
[null,"i. ","Manufacturer shall provide copies of installation, operation and maintenance procedures and manual with the fume hood."]
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["1.3 Related Standards"]
["A.","ANSI/ASHRAE 110-1995 - Method for Testing Performance of Laboratory Fume Hoods"]
["B.","ANSI/AIHA Z9.5-2012 - American National Standard for Laboratory Ventilation"]
[null,"Note: ANSI/AIHA Z9.5-2012 is currently in draft form, but a final version is expected to be published by August, 2012."]
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["2. Products"]
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["2.1 General Construction"]
["A.","Product shall be built in accordance with all applicable ANSI and ASHRAE standards."]
["B.","Product shall carry a compliance certification listing. "]
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["2.2 Laboratory Fume Hood Parameters"]
[null,null,"Laboratory Fume Hood Parameter","Value","Unit"]
[null,null,"Face Velocity","Input a value","fpm"]
[null,null,"Exhaust","Input a value","ACH"]
[null,null,"Partial Opening of Design Sash Opening","Input a value","%"]
[null,null,"Automated Sash?","Select a value"]
[null,null,"Sash Velocity","Input a value","ft/s"]
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["2.3 Energy-Related Requirements & Recommendations"]
["A.","Minimum Efficiency Requirements"]
[null,"i. ","When testing to the requirements described below, the fume hood shall meet all applicable containment requirements in Section 6.1.2.7 of ANSI/AIHA Z9.5-2012, which specifies that the control level for the tracer gas test in Section 7 of ANSI/ASHRAE 110-1995 shall not exceed 0.05 ppm \"as manufactured.\""]
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[null,"ii.","The fume hood shall meet the following requirements, which shall be verified according to Section 6 of the ANSI/ASHRAE 110-1995 test method:"]
[null,null,"a. For bypass and variable volume hoods, when the sash is open to the Design Sash Opening specified by the manufacturer and the face velocity is set to 65 fpm, the fume hood shall meet the containment requirements specified above."]
[null,null,"b. For variable volume hoods, when the sash is closed and the fume hood exhaust is set to 250 ACH, the fume hood shall meet the containment requirements specified above."]
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["2.4 Additional Specification Requirements"]
["A.","The fume hood shall be equipped with a visual signal indicating excessive energy consumption that shall be easily distinguishable from any alarms or signals for safety hazards. This signal shall be activated when:"]
[null,"i.","The fume hood sash is open above the Design Sash Opening specified by the manufacturer."]
[null,"ii.","The fume hood is left open for more than 30 minutes and no lab personnel are present."]
["B. ","If the fume hood features an automated sash:"]
[null,"i.","The sash shall open to the user-specified opening and close in a smooth motion at a velocity between 1.0 ft/s (0.3 m/s) and 1.5 ft/s (0.5 m/s), in accordance with ANSI/ASHRAE 110-1995."]
[null,"ii.","At a minimum, the sash shall allow for partial openings of approximately 25% and 50% of the Design Sash Opening."]
[null,"iii.","The sash shall detect the presence of lab personnel within an adjustable distance of 4 in-5.0 ft from the enclosure opening and open completely within 5 seconds."]
[null,"iv.","If no lab personnel are present within detection range of the enclosure for a user-specified time period, the fume hood shall close within 5 seconds. This user-specified time period shall be adjustable over a minimum range of 1-30 minutes."]
["C.","If the fume hood features a manual sash:"]
[null,"i.","The fume hood shall be equipped with a sticker to instruct laboratory personnel on best practices of sash management to conserve energy. "]
[null,"ii.","At a minimum, the sash shall allow for partial openings of approximately 25% and 50% of the Design Sash Opening."]
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["Laboratory Fume Hood Parameter",null,null,null,null,"Value",null,"Unit"]
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["3. Execution"]
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["3.1 Installation"]
["A. ","Install laboratory fume hoods according to manufacturer’s instructions, in accordance with recognized industry practices and applicable codes and standards."]
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["3.2 Testing"]
["A.","Upon installation, perform inspections and tests according to manufacturer’s written instructions. "]
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["3.3 Warranty"]
["A. ","Products meeting this specification shall carry a warranty covering material and workmanship defect on the laboratory fume hood parts from the date of procurement  for: "]
[null,null,null,"Value","Value if 'Other'","Unit"]
[null,null,null,"Select a value",null,"Year(s)"]
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["By clicking the \"Finalize Spec\" button, a print preview window will also appear, allowing you to print the specification.  Finally, a window will open listing the names of manufacturers that have agreed to create products that meet the CBEA specification."]

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