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LEED v2009
Retail – Commercial Interiors
Indoor Environmental Quality
Environmental Tobacco Smoke (ETS) control

LEED CREDIT

Retail-CI-v2009 IEQp2: Environmental Tobacco Smoke (ETS) Control Required

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© Copyright U.S. Green Building Council, Inc. All rights reserved.

Intent

To prevent or minimize exposure of building occupants, indoor surfaces and ventilation air distribution systems to environmental tobacco smoke (ETS).

Requirements

OPTION 1

Locate tenant space in a building that prohibits smoking by all occupants and users within 25 feet (8 meters) of entries,outdoor air intakes, and operable windows.

Prohibit on-property smoking within 25 feet (8 meters) of entries, outdoor air intakes, and operable windows. Provide signage to allow smoking in designated areas, prohibit smoking in designated areas, or prohibit smoking on
the entire property. If the 25-foot (8 meter) requirement cannot be followed due to code or landlord rules, provide documentation that proves such regulations are in place.

If outdoor space, public or private, is used for business purposes, regardless of zero lot line, this space needs to follow the no-smoking regulation outlined in this credit. Examples of such spaces include sidewalk seating,
patios or decks, and/or stands for purchasing goods whereas smoking must be prohibited within 25 feet (8 meters) of such spaces.

OR

Option 2

CASE 1. Non-residential projects

Confirm that smoking is prohibited in the portions of the tenant space not designated as a smoking space, all other building areas served by the same HVAC system, and the common areas used by occupants. Ensure that ETS cannot migrate by either mechanical or natural ventilation from other areas of the building.

If the occupants are permitted to smoke, provide one or more designated smoking rooms designed to contain, capture and remove ETS from the building. At a minimum, each smoking room must be directly exhausted to the outdoors, with no recirculation of ETS-containing air to nonsmoking areas, enclosed with impermeable
deck-to-deck partitions, and operated at a negative pressure compared with surrounding spaces of at least an average of 5 Pa (0.02 inches of water gauge) and with a minimum of 1 Pa (0.004 inches of water gauge) when the doors to the smoking rooms are closed.

Verify performance of the smoking rooms’ differential air pressures by conducting 15 minutes of measurement, with a minimum of 1 measurement every 10 seconds, of the differential pressure in the smoking room with respect to each adjacent area and in each adjacent vertical chase with the doors to the smoking room closed. Conduct the testing with each space configured for worst-case conditions of transport of air from the smoking rooms (with closed doors) to adjacent spaces.

Case 2. Multi-Unit residential buildings

Minimize uncontrolled pathways for ETS transfer between individual residential units by sealing penetrations in walls, ceilings, and floors in the residential units and by sealing vertical chases adjacent to the
units.

Weather-strip all doors in the residential units leading to common hallways to minimize air leakage into the hallway1.

Demonstrate acceptable sealing of residential units by conducting a blower door test in accordance with ANSI/ASTM–779–99, Standard Test Method for Determining Air Leakage Rate by Fan Pressurization. Projects outside the U.S. may use a local equivalent to ANSI/ASTM-E779-03, Standard Test Method for Determining Air Leakage Rate By Fan Pressurization. [Europe ACP: Blower Door]

Use the progressive sampling methodology defined in Chapter 7 (Home Energy Rating Systems [HERS] Required Verification and Diagnostic Testing) of the California Low Rise Residential Alternative Calculation Method Approval Manual, found at http://www.energy.ca.gov/title24_1998_standards/residential_acm/CHAPTER0.... Projects outside the U.S. may use a local sampling methodology, whichever is more stringent. Residential units must demonstrate less than 1.25 square inches of leakage area per 100 square feet (8 square centimeters of leakage per 10 square meters) of enclosure area (i.e., sum of all wall, ceiling, and floor areas).

Alternative Compliance Paths (ACPs)

Europe ACP: ANSI/ASTM-E779-03

Projects in Europe may use CEN Standard EN 13829:2002 Thermal Performance of buildings – Determination of air permeability of buildings – Fan pressurization method.

See all forum discussions about this credit »

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USGBC logo

© Copyright U.S. Green Building Council, Inc. All rights reserved.

Intent

To prevent or minimize exposure of building occupants, indoor surfaces and ventilation air distribution systems to environmental tobacco smoke (ETS).

Requirements

OPTION 1

Locate tenant space in a building that prohibits smoking by all occupants and users within 25 feet (8 meters) of entries,outdoor air intakes, and operable windows.

Prohibit on-property smoking within 25 feet (8 meters) of entries, outdoor air intakes, and operable windows. Provide signage to allow smoking in designated areas, prohibit smoking in designated areas, or prohibit smoking on
the entire property. If the 25-foot (8 meter) requirement cannot be followed due to code or landlord rules, provide documentation that proves such regulations are in place.

If outdoor space, public or private, is used for business purposes, regardless of zero lot line, this space needs to follow the no-smoking regulation outlined in this credit. Examples of such spaces include sidewalk seating,
patios or decks, and/or stands for purchasing goods whereas smoking must be prohibited within 25 feet (8 meters) of such spaces.

OR

Option 2

CASE 1. Non-residential projects

Confirm that smoking is prohibited in the portions of the tenant space not designated as a smoking space, all other building areas served by the same HVAC system, and the common areas used by occupants. Ensure that ETS cannot migrate by either mechanical or natural ventilation from other areas of the building.

If the occupants are permitted to smoke, provide one or more designated smoking rooms designed to contain, capture and remove ETS from the building. At a minimum, each smoking room must be directly exhausted to the outdoors, with no recirculation of ETS-containing air to nonsmoking areas, enclosed with impermeable
deck-to-deck partitions, and operated at a negative pressure compared with surrounding spaces of at least an average of 5 Pa (0.02 inches of water gauge) and with a minimum of 1 Pa (0.004 inches of water gauge) when the doors to the smoking rooms are closed.

Verify performance of the smoking rooms’ differential air pressures by conducting 15 minutes of measurement, with a minimum of 1 measurement every 10 seconds, of the differential pressure in the smoking room with respect to each adjacent area and in each adjacent vertical chase with the doors to the smoking room closed. Conduct the testing with each space configured for worst-case conditions of transport of air from the smoking rooms (with closed doors) to adjacent spaces.

Case 2. Multi-Unit residential buildings

Minimize uncontrolled pathways for ETS transfer between individual residential units by sealing penetrations in walls, ceilings, and floors in the residential units and by sealing vertical chases adjacent to the
units.

Weather-strip all doors in the residential units leading to common hallways to minimize air leakage into the hallway1.

Demonstrate acceptable sealing of residential units by conducting a blower door test in accordance with ANSI/ASTM–779–99, Standard Test Method for Determining Air Leakage Rate by Fan Pressurization. Projects outside the U.S. may use a local equivalent to ANSI/ASTM-E779-03, Standard Test Method for Determining Air Leakage Rate By Fan Pressurization. [Europe ACP: Blower Door]

Use the progressive sampling methodology defined in Chapter 7 (Home Energy Rating Systems [HERS] Required Verification and Diagnostic Testing) of the California Low Rise Residential Alternative Calculation Method Approval Manual, found at http://www.energy.ca.gov/title24_1998_standards/residential_acm/CHAPTER0.... Projects outside the U.S. may use a local sampling methodology, whichever is more stringent. Residential units must demonstrate less than 1.25 square inches of leakage area per 100 square feet (8 square centimeters of leakage per 10 square meters) of enclosure area (i.e., sum of all wall, ceiling, and floor areas).

Alternative Compliance Paths (ACPs)

Europe ACP: ANSI/ASTM-E779-03

Projects in Europe may use CEN Standard EN 13829:2002 Thermal Performance of buildings – Determination of air permeability of buildings – Fan pressurization method.

See all LEEDuser forum discussions about this credit » Subscribe to new discussions about Retail-CI-v2009 IEQp2