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LEED NC - EQ
LEED NC Test for Prior to June 30, 2009 Deadline
| Question | Answer |
|---|---|
| Name the prerequisites in the EQ Section | 1) Minimum Indoor Air Quality Performance 2) Environmental Tobacco Smoke (ETS) Control |
| What is the intent of the Indoor Environmental Quality Prerequisite 1? | Establish indoor air quality performance to enhance indoor air quality in buildings thus contributing to the comfort and well-being of the occupants. |
| What standard sets the minimum for minimum IAQ performance? | Sections 4 through 7 of ASHRAE Standard 62.1-2004. Mechanical ventilation systems must be designed using the Ventilation Rate Procedure or the applicable local code, whichever is more stringent (P5.1 for naturally ventilated buildings). |
| What are the design strategies to address minimum IAQ performance? | Design ventilation systems to meet or exceed minimum outdoor air ventilation rates as described in the ASHRAE standard. Balance impacts of ventilation rates on energy use and IAQ to optimize for endergy efficiency and occupant health. |
| What does ETS mean? | Environmental Tobacco Smoke |
| What are the requirements for the ETS Option 1? | Prohibit smoking in the building and locate exterior smoking areas at least 25 feet from entries, outside air intakes and operable windows. |
| What are the requirements for ETS Option 2? | Prohibit smoking in the building except in designated smoking areas, locate exterior smoking areas 25 feet from entries, air intakes, and operable windows. Smoking rooms to contain, capture and remove ETS, must verify smoking room air differential. |
| What are the requirements for ETS Option 3? | No smoking in common areas, exterior smoking areas 25 feet from entries, air intake, and operable windows, minimize ETS transfer between residential units by sealing penetrations in walls, ceilings, floors, and vertical chasses, weatherstrip hallway doors |
| What is EQ Credit 1 called? | Outdoor Air Delivery Monitoring |
| What is the intent of the Outdoor Air Delivery Monitoring Credit? | Provide capacity for ventilation system monitoring to sustain occupant comfort and well being. |
| How many points are available for Outdoor Air Delivery Monitoring? | One |
| What is required for EQ Credit 1? | Install permanent monitoring systems to provide feedback on ventilation systems, and configure all monitoring equipment to generate an alarm when the conditions vary by 10% or more from a set point. |
| What is required for mechanically ventilated spaces for EQ Credit 1? | Monitor CO2 concentrations in densely occupied spaces (greater than or equal to 25 people per 1000 sq. ft.); for non-dense: a direct outdoor airflow measurement device with an accuracy of plus or minus 15% of the design minimum outdoor airflow rates. |
| What is required for naturally ventilated spaces for EQ Credit 1? | Monitor CO2 concentrations within all naturally ventilated spaces. Locate monitors within the room between 3 and 6 feet above the floor. |
| What ASHRAE standard discusses CO2? | ASHRAE Standard 62.1-2004 |
| What is the strategy for CO2 monitoring? | CO2 and airflow measurement monitoring sensors in HVAC, integrated with the building's automation system. |
| What is EQ Credit 2 called? | Increased Ventilation |
| What is the intent of the Increased Ventilation Credit? | Provide additional outdoor air ventilation to improve indoor air quality. |
| How many points are available for Increased Ventilation? | One |
| What is required for mechanically ventilation spaces for Increased Ventilation Credit? | Increase breathing zone outdoor air ventilation rates to all occupied spaces by at least 30% above the minimum rates required by ASHRAE 62.1-2004. |
| What are the requirements for naturally ventilated spaces? | Design in accordance with the Carbon Trust Cood Practice Guide 237. Follow flow diagram process of the CIBSE Application Manual 10:2005 AND use diagrams and calculations to show that the design meets CIBSE OR use models to predict 90% of min. ASHRAE 62.1 |
| What are the three basic methods for ventilatiing buildings? | Active Ventilation (Mechanical), Passive Ventilation (natural), and Mixed-mode Ventilation (both mechanical and natural). |
| What is EQ Credit 3 called? | Construction IAQ Management Plan |
| What is the intent of Construction IAQ Management Plan Credit? | Reduce indoor air quality problems resulting from the construction/renovation process. |
| How many points are available for Construction IAQ Management Plan? | Two |
| During construction, the IAQ Management Plan requires following what standards? | SMACNA IAQ Guideline for Occupied Buildings Under Construction, 1995, Chapter 3 |
| What are the requirements under Construction IAQ Management Plan? | 1. Meet or exceed the recommended measures of SMACNA, 2. Protection of on site absorptive material from moisture damage, and 3. If permanently installed air handlers are used during construction, MERV 8 filters are used at every return air grill. |
| What Minimum Efficiency Reporting Value (MERV) standard must filtration media adhere to? | 8, as determined by ASHRAE 52.2-1999 |
| What are the flush-out requirements of Credit EQ 3.2? | Supply a total air volume of 14,000 CF of outdoor air per SF of floor area while maintaining an internal air temperature of at least 60 degrees F and relative humidity no higher than 60%. |
| What are the 2 options to achieve Construction IAQ Management Plan Credit 3.2? | Building flush-out or conduct indoor air quality testing. |
| What standard applies for the baseline IAQ test? | US EPA Compendium of Methods for the Determination of Air Pollutants in Indoor Air |
| What is the strategy for a Construction IAQ Management Plan? | Protect the HVAC system during construction, control pollutant sources, interrupt pathways for contamination, sequence material installation to avoid contamination, and flush-out or test the contaminant levels prior to building occupancy. |
| What is EQ Credit 4 called? | Low-Emitting Materials |
| How many points are available for Low-Emitting Materials? | Four |
| What is the intent of the Low-Emitting Materials Credit? | Reduce the quantity of indoor air contaminants that are odorous, irritating, and/or harmful to the comfort and well-being of installers and occupants. |
| What materials does EQ Credit 4.1 cover? | Adhesives and sealants |
| What is the standard for EQ 4.1? | South Coast Air Quality Management District Rule #1168 July 1, 2005 and note January 7, 2005. |
| What materials does EQ Credit 4.2 cover? | Paints and coatings |
| What are the standards for EQ4.2? | Green Seal's Standard GS-11 for interior paints, GC-03 for anti-corrosives applied to interior ferrous metal, and SCAQMD Rule 1113, Architectural Coatings for clear wood finishes, floor coatings, stains, sealers, and shellacs applied to indoor elements. |
| What material does EQ Credit 4.3 cover? | Carpet systems |
| What is the standard for EQ 4.3? | For carpet, Carpet and Rug Institute's Green Label Plus program; for carpet cushion, Carpet and Rug Institute's Green Label program. All carpet adhesive must meet the requirements of EQ Credit 4.1. |
| What materials does EQ Credit 4.4 cover? | Composite wood and agrifiber products |
| How are composite wood and agrifiber products defined? | Particleboard, medium density fiberboard (MDF), plywood, wheatboard, strawboards, panel substrates, and door cores. Materials considered fit-out, furniture, and equipment (FF&E) are not included. |
| What is the standard for EQ 4.4? | Products must contain no added urea-formaldehyde resins |
| What are the strategies to meet EQ Credit 4? | Specify low-VOC materials in construction documents. Ensure that VOC limits are clearly stated in each section where adhesives, and sealants are addressed. |
| What is EQ Credit 5 called? | Indoor Chemical & Pollutant Source Control |
| What is the intent of Indoor Chemical & Pollutant Source Control Credit? | Minimize exposure of building occupants to potentially hazardous particulates and chemical pollutants. |
| How many points are available for Indoor Chemical & Pollutant Source Control? | One |
| What is the requirement of EQ Credit 5? | Minimize and control pollutant entry into buildings and cross contamination of regularly occupied areas. |
| What is required for Indoor Chemical & Pollutant Source Control Credit? | Permanent entry way systems to capture dirt (roll mats OK only if weekly cleaning service); provide areas with deck-to-deck partitions with separate outside exhausting; In mechanically-vented, MERV 13 filters at returns and outdoor supply air. |
| What are the strategies to meet EQ Credit 5? | Design separate exhaust and plumbing systems for rooms with contaminants to achieve physical isolation; Install permanent architectural entryway systems such as grills and grates; Install high-level filtration in air handling units 4 return & supply air. |
| What is EQ Credit 6 called? | Controllability of Systems |
| How many points are available for Controllability of Systems? | Two |
| What is the intent of Controllability of Systems Credit 6.1? | Provide a high level of lighting system control by individual occupants or by specific groups in multi-occupants or by specific groups in multi-occupant spaces to promote productivity, comfort, and well-being of building occupants. |
| What is the requirement of EQ 6.1? | Provide individual lighting controls for 90% of the building occupants to enable adjustments to suit individual task needs AND provide lighting system controllability for all shared multi-occupant spaces. |
| What is the intent of Controllability of Systems Credit 6.2? | Provide a high level of thermal comfort system control by individual occpuants or by specific groups in multi-occupant spaces to promote productivity, comfort and well-being of building occupants. |
| What is the requirement of EQ 6.2? | Provide individual comfort controls for 50% of the building occupants. Operable windows are ok for areas 20 feet inside of and 10 feet either side of the operable part of the window AND provide comfort system controls for all shared multi-occupant spaces |
| What standard describes thermal comfort? | ASHRAE Standard 55-2004 |
| How is comfort system control defined for Controllability of Systems? | Control over one of the following factors: air temperature, radiant temperature, air speed, and humidity. |
| What are strategies to achieve Controllability of Systems Credit | Design for occupant controls: lighting controls and task lighting, operable windows, underfloor HVAC with individual diffusers. |
| What is EQ Credit 7 called? | Thermal Comfort |
| How many points are available for Thermal Comfort? | Two |
| What is EQ Credit 7.1 called? | Thermal Comfort: Design |
| What is the intent of Thermal Comfort Credit 7.1 Design? | Provide a comfortable thermal environment that supports the productivity and well-being of building occupants |
| What is the requirement of EQ Credit 7.1? | Design HVAC and building envelope to comply with ASHRAE standard 55-2004, Thermal Comfort Conditions for Human Occupancy. Demonstrate design compliance in accordance with the Section 6.1.1 Documentation. |
| What is EQ Credit 7.2 called? | Thermal Comfort: Verification |
| What is the requirement of EQ Credit 7.2? | Agree to implement a thermal comfort survey of the building occupants 6-18 months after occupancy. Develop a plan for corrective action if the survey results indicate that more than 20% of occupants are dissatisfied with indoor thermal comfort. |
| What are the strategies to achieve Thermal Comfort Credits 7.1 and 7.2? | Establish comfort criteria according to ASHRAE 55-2004 and design building envelope and systems capable of maintaining criteria expectations; Use principles in ASHRAE 55-2004 as guide for design of thermal comfort monitoring and corrective action systems. |
| What is EQ Credit 8 called? | Daylight and Views |
| How many points are available for Daylight and Views? | Two |
| What is the intent of Daylight and Views Credit? | Provide for the building occupants a connection between indoors spaces and the outdoors through the introduction of daylight and views into the regularly occupied areas of the building. |
| At what height and above are window areas considered daylight glazing? | 7'6" |
| What is the requirement of EQ 8.1? | Min. glazing factor of 2% in 75% of regularly occupied areas OR via simulation that min. daylight illumination of 25 footcandles in 75%...OR Demonstrate through measurements that min. daylight illumination of 25 footcandles has been achieved in 75%... |
| What areas are excluded from EQ Credit 8.1? | Copy rooms, storage areas, mechanical, laundry and other low occupancy support areas. |
| What task areas are exlcuded from EQ Credit 8.1? | Spaces where tasks would be hindered by the use of daylight. |
| What is the requirement of EQ 8.2? | Achieve direct line of sight to the outdoor environment via vision glazing from 90% of all regularly occupied spaces. |
| Between what heights are windows considered vision glazing? | 2'6" and 7'6" |
| What are the techniques to achieve Daylight and Views Credit? | Design the building to maximize daylighting and view opportunities. |
| What are the stategies to achieve Daylight and Views Credit? | Building orientation, shallow floor plates, increased perimeter, lower partition heights, interior and exterior shading devices, high performance glazing and photo integrated light sensors. |
| What techniques verify Daylight & Views Credit? | Glazing Factor Calculations OR physical or computer modeling to assess footcandle and daylight factors. |
Created by:
quagsi@yahoo.com
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