Entry Type ID Date Applicable Rating System Primary Credit Inquiry (LIs) Ruling (LIs) Related Addenda/LIs Related Resources Campus Applicable Internationally Applicable Country Applicability Reference Guide (Addenda) Page (Addenda) Location (Addenda) Description of Change (Addenda) "LEED Interpretation" "10249" "2012-10-01" "New Construction, Core and Shell, Hospitality - New Construction, Retail - Commercial Interiors, Existing Buildings" "EQp2 - Environmental Tobacco Smoke (ETS) control" "Our project consists of a new hotel in its entirety. It is a stand-alone building with its own separate entrance, restrooms, lobby, and amenities. The owner is considering connecting the hotel to an existing casino, where smoking is allowed. The Supplemental Guidance to the LEED MPR specifically mentions casinos and EQp2, and indicates there will be no exceptions to this MPR to allow for partial building certification. We do not believe this applies to us since we are building a new stand-alone hotel in its entirety, not a partial building. EQp2 indicates that if there is a smoking room within a LEED building, it shall be operated under an average negative pressure of 5 Pa, etc. We are seeking clarification on whether or not it is acceptable to connect our new hotel to an existing building with smoking, and if yes, what rules need to be followed regarding the connection. If a connection to a smoking building is allowed, we would prohibit smoking in the existing building within 25 feet of the new hotel building entrance. If a connection to a smoking building is allowed, can it have an open area, in which we maintain a high air velocity to eliminate smoke migration between the two buildings? Or does it require doors between the two buildings and maintenance of 5 Pa of pressure similar to a smoking room?" "The applicant would like to confirm if a new hotel building pursuing LEED Certification can be connected to an existing casino that allows smoking. The project is a stand-alone hotel with its own separate entrance. The hotel project does not fall under the ""no exceptions"" for projects with IEQp2 conflicts found in the LEED 2009 MPR Supplemental Guidance as it is not an attempt to certify only a portion of the building, nor is it attempting to exclude a portion of the building from the LEED project boundary.It is acceptable to provide a connection between the new hotel building and the existing casino building, provided the applicable criteria for certifying Attached Buildings separately, from pages 14-17 of the LEED 2009 MPR Supplemental Guidance, revision 2, dated September 2011, are met. In addition, measures must be taken to ensure that Environmental Tobacco Smoke from the existing casino building does not enter the new hotel building. There must be self-closing doors and impermeable deck-to-deck partitions separating the hotel building from the casino. Furthermore, there must be an exhaust system sufficient to create a negative pressure differential between the hotel building and the casino building (or connecting corridor) of at least an average of 5 Pascals (Pa) and a minimum of 1 Pa when the doors between the hotel building and the casino are closed. Performance of the required air pressure differentials must be verified by conducting 15 minutes of measurement with a minimum of one measurement every 10 seconds. Note that we are essentially requiring isolation of the connected casino space with mechanical exhaust as if it were a designated smoking room with respect to the LEED-certifying building. Please refer to Option 2, Case 1, of IEQp2 for additional details on how to properly isolate, and verify the performance of, a designated smoking room. Smoking must also be prohibited within the existing casino building within 25ft of the connection to the LEED building. All other requirements of IEQp2 must also be met for the new hotel building pursuing LEED Certification. Applicable Internationally." "10225" "None" "X" "LEED Interpretation" "1492" "2006-04-14" "New Construction, Commercial Interiors, Core and Shell, Existing Buildings, Retail - New Construction, Retail - Commercial Interiors, Healthcare" "EQp2 - Environmental Tobacco Smoke (ETS) control" "How are balconies to be addressed within the multi-unit residential compliance path presented by the 12/3/03 NCv2.1 CIR and NCv2.2 Option 3? And how are balconies treated within the option for prohibiting smoking? The credit requirements are not clear in this regard." "Any potential smoking outdoors must be addressed in regards to secondhand smoke exposure. Balconies are automatically considered smoking areas unless smoking on them is prohibited (by the building manager in the case of a leased apartment; by the initial HOA Rules and Regulations in the case of a condominium). For any compliance path, if a balcony does not comply with the requirements for exterior smoking areas (at least 25 feet away from entries, operable windows and outdoor air intakes), smoking must be prohibited on the balcony. LEED projects registered before September 4, 2006, will not be held to this interpretation, but are encouraged to do so. This ruling reflects the original intent of the IEQ Technical Advisory Group and is considered consistent with the non-residential compliance paths and with the mission of green building. The ruling is also considered reasonable because eighty percent of the U.S. population does not smoke." "1957" "None" "LEED Interpretation" "1967" "2007-12-19" "New Construction, Commercial Interiors, Core and Shell, Existing Buildings, Retail - New Construction, Retail - Commercial Interiors, Healthcare" "EQp2 - Environmental Tobacco Smoke (ETS) control" "The project is submitting under LEED-CI V2.0 for a tenant space renovation. The building that the tenant occupies is smoke free, except for a bar & restaurant. There was a recent city ordinance passed to ban smoking at all bars & restaurants by July 2008. The building management has also required this tenant to ban smoking by this date per city ordinance, making the building completely smoke free. Would a letter indicating future compliance by the tenant, along with documentation of the city ordinance fulfill the requirements of this prerequisite? Also, if the entrance to this building is on public property, and the current ordinance prohibits smoking only 15\' away from entrances, instead of 25\' as required per LEED, will the project still comply with the intent of the credit?" "The CIR is inquiring whether proof of future compliance would be acceptable to meet the prerequisite and whether prohibiting smoking within 15 feet from entrances would meet the intent of the credit. Future compliance for this prerequisite would not meet the intent, which is to prevent or minimize exposure of tenant space occupants, indoor surfaces, and systems to Environmental Tobacco Smoke (ETS). If smoking in a space is allowed for an extended period of time, this extends the timeframe over which occupants, systems, and surfaces within these spaces will be exposed to ETS. Materials which absorb ETS will off-gas after the smoking itself ceases, further extending the exposure timeframe. Limiting smoking to 15 feet from entrances instead of 25 feet would not meet the credit requirement. The project should prohibit smoking within 25 feet from building entrances, to the extent possible, in order to meet the credit requirements. If the applicant does not have the authority to prohibit smoking within 25 feet of the entrance, signage should be posted requesting that people do not smoke within 25 feet of the entrance. Applicable Internationally." "None" "None" "X" "LEED Interpretation" "10388" "2014-07-01" "New Construction, Core and Shell, Schools - New Construction, Retail - New Construction, Healthcare, Data centers - New Construction, Hospitality - New Construction, Warehouse and distribution centers - New Construction, Commercial Interiors, Retail - Commercial Interiors, Hospitality - Commercial Interiors, Existing Buildings, Schools - Existing Buildings, Retail - Existing Buildings, Data centers - Existing Buildings, Hospitality - Existing Buildings, Warehouse and distribution centers - Existing Buildings" "EQp2 - Environmental Tobacco Smoke (ETS) control" "Are electronic cigarettes (e-cigarettes) covered under the Environmental Tobacco Smoke Control prerequisite?" "Yes, electronic cigarettes are considered a form of smoking for the purposes of both the interior and exterior smoking provisions of the LEED Prerequisite Environmental Tobacco Smoke Control. As recommended in the December 2013 report[1] prepared for the World Health Organization, “e-cigarettes should be prohibited anywhere where the use of conventional cigarettes is prohibited”. The indoor air quality impacts from electronic cigarettes are not fully characterized, but there is sufficient evidence that electronic cigarettes produce emissions in fine aerosol form that can expose building occupants. For example, according to the report, “several chemicals that have been found in e-cigarette aerosol and e-liquid are on California’s official list of known human carcinogens or reproductive toxicants, including nicotine, acetaldehyde, formaldehyde, nickel, lead, toluene(1)”. [1] Background Paper on E-cigarettes (Electronic Nicotine Delivery Systems); Grana, R.; Benowitz, N.; Glantz, SA; December 2013; University of California " "None" "None" "X" "X" "Regional ACP" "100001972" "2014-10-01" "New Construction, Core and Shell, Schools - New Construction, Retail - New Construction, Healthcare, Commercial Interiors, Retail - Commercial Interiors" "EQp2 - Environmental Tobacco Smoke (ETS) control" "None" "None" "Europe" "Green Building Design and Construction, 2009 edition" "BD+C RG 2nd ed: 416" "Requirements" "Projects in Europe may use CEN Standard EN 13829:2002 Thermal Performance of buildings – Determination of air permeability of buildings – Fan pressurization method."