LEED GA Exam - IP, IN, RP, L+T, SS, WE, EA, MR, IQ

Energy and Atmosphere (33 points) - C2. Optimize Energy Performance (18 points)

Intent: To achieve increasing levels of energy performance beyond the prerequisite standard to reduce environmental and economic harms associated with excessive energy use. Requirement: Establish an energy performance target no later than the schematic design phase. The target must be established as kBtu per square foot-year (kW per square meter-year) of source energy use. Option 1. Whole Building Energy Simulation Model energy use in the building to find efficiency opportunities Option 2. Prescriptive Compliance: ASHRAE Advanced Energy Design Guide For buildings that can't be modeled. Points based on percentage of cost savings. A 5% cost reduction is mandatory. 6-54% = 1-19 points. Option 3. Systems Optimization Demonstrate an improvement beyond ASHRAE/ASHRAE/IESNA Standard 90.1-2016 for the following systems: Building envelope (opaque and glazing), interior and exterior lighting, and plug loads. Baseline is ASHRAE 90.1-2010

Sustainable Sites (10 points) - C1: Site Assessment (1 point)

Intent: To assess site conditions before design to evaluate sustainable options and inform related decisions about site design. Requirement: Site survey of topography, hydrology, climate, vegetation, species, soils, human use and human health effects. Protect 40% greenfield area from all development and construction activity.

Location and Transportation (16 points) - C1: LEED for ND Location (8-16 points)

Intent: To avoid development on inappropriate sites. To reduce vehicle distance traveled. To enhance livability and improve human health by encouraging daily physical activity. Requirement: If you are building in an existing ND site, you automatically get points depending on the rating of the ND site. Certified (8 points), Silver (10 points), Gold (12 points), Platinum (16 points). If you do this credit, you are not eligible for any of the other credits L+T.

Location and Transportation (16 points) - C2: Sensitive Land Protection (1 point)

Intent: To avoid the development of environmentally sensitive lands and reduce the environmental impact from the location of a building on a site. Requirement: Option 1: Locate the development footprint on land that has been previously developed. Option 2: Locate the development footprint on land that has been previously developed or that does not meet the criteria for sensitive land: prime farmland, floodplains, habitat for threatened or endangered species, or land within 50 ft of wetlands or 100 ft of a water body. U.S. Endangered Species Act and NatureServe provide species data for habitat. Natural Resources Conservation Service (NRCS) is used for prime farmland. U.S. Army Corps of Engineers is used for wetlands. The International Society of Arboriculture is used for tree conditions on-site.

Indoor Environmental Quality (16 points) - C7. Daylight (3 points)

Intent: To connect building occupants with the outdoors, reinforce circadian rhythms, and reduce the use of electrical lighting by introducing daylight into the space. Requirement: Provide manual or automatic with manual override glare-control devices for all regularly occupied spaces. Option 1. Simulation: Spatial Daylight Autonomy and Annual Sunlight Exposure Option 2. Simulation: Illuminance Calculations Option 3. Measurement

Sustainable Sites (10 points) - C2: Site Development - Protect or Restore Habitat (2 points)

Intent: To conserve existing natural areas and restore damaged areas to provide habitat and promote biodiversity. Requirement: Option 1. On-Site Restoration Restore 30%, including building footprint, of the portions of the site identified as previously disturbed and restore all disturbed or compacted soils that will be revegetated in the project's development footprint. If the FAR is 1.5 you may include vegetated roofs in this calculation. May exclude rainwater infiltration landscape areas from the soil restoration requirement. Option 2. Financial Support Provide $0.40 per square foot for the total site area to ta nationally or locally recognized land trust or conservation organization within the same ecoregion or state, accredited by the Land Trust Alliance.

Location and Transportation (16 points) - C4: Surrounding Density and Diverse Uses (5 points)

Intent: To conserve land and protect farmland and wildlife habitat by encouraging development in areas with existing infrastructure. To promote walkability, and transportation efficiency and reduce vehicle distance traveled. To improve public health by encouraging daily physical activity Requirement: Option 1. Surrounding density in quarter mile radius exceeds: A. Residential density (7 dwelling units per acre) B. Non-residential density (0.5 FAR) C. Combined (22,000 ft2 per acre buildable land) Option 2. Diverse Uses: Site is within a half mile walking distance entrance to entrance of 4+ or 8+ existing and publically available diverse uses: A. Food Retail (restaurant, supermarket) B. Services (bank, theater) C. Community Retail (pharmacy, convenience store) D. Civic & Community Uses (senior or child care) E. Education Facility (University) At a minimum, 3 of the above categories should be represented and maximum 2 types per category. Buildable Land: Land where construction can occur, excludes public right-of-way like roads. Floor-Area Ratio (FAR): Density of non-residential land use. Building floor area divided by buildable land area.

Water Efficiency (11 points) - C3. Cooling Tower Water Use (2 points)

Intent: To conserve water used for cooling tower makeup while controlling microbes, corrosion, and scale in thecondenser water system. Requirement: Conduct a one-time potable water analysis to measure chemicals which have max concentrations. Calculate the number of cooling tower cycles.

Indoor Environmental Quality (16 points) - P1. Minimum Indoor Air Quality Performance

Intent: To contribute to the comfort and well-being of building occupants by establishing minimum standards for indoor air quality (IAQ). Requirement: Meet the requirements for both ventilation and monitoring for mechanically and naturally ventilated spaces. ASHRAE Standard 62.1-2010 provides mechanical and natural ventilation rate procedure.

Sustainable Sites (10 points) - C3: Open Space (1 point)

Intent: To create exterior open space that encourages interaction with the environment, social interaction, passive recreation, and physical activities. Requirement: Outdoor space has to be at least 30% of the total site area including building footprint. At least 25% of the outdoor space has to be vegetation with two or more types of vegetation or a canopy. If the FAR is 1.5 a green roof can count. Wetlands or designed ponds may count if the side slope gradient is gentle and it is vegetated. It must be physically accessible and have one of the following: A pedestrian-oriented paving or turf area with physical site elements that accommodate outdoor social activities; A recreation-oriented paving or turf area with physical site elements that encourage physical activity; A garden space with a diversity of vegetation types and species that provide opportunities for year-round visual interest; A garden space dedicated to community gardens or urban food production; Preserved or created habitat that meets the criteria of SS Credit Site Development—Protect or Restore Habitat and also includes elements of human interaction.

Energy and Atmosphere (33 points) - C6. Enhanced Refrigerant Management (1 point)

Intent: To eliminate ozone depletion and global warming potential and support early compliance with the Montreal Protocol while minimizing direct contributions to climate change. Requirement: Option 1. No Refrigerants or Low-Impact Refrigerants Do not use refrigerants, or use only refrigerants (naturally occurring or synthetic) that have an ozone depletion potential (ODP) of zero and a global warming potential (GWP) of less than 50. Option 2. Calculation of Refrigerant Impact Select refrigerants that are used in HVAC&R equipment to minimize or eliminate the emission of compounds that contribute to ozone depletion and climate change. The combination of all new and existing base building and tenant HVAC&R equipment that serve the project must comply with the given formula. LCODP: Lifecycle Ozone Depletion Potential LCGWP: Lifecycle Direct Global Warming Potential GWPr: Global Warming Potential of Refrigerant ODPr: Ozone Depletion Potential of Refrigerant Lr: Refrigerant Leakage Rate Mr: End-of-life Refrigerant Loss Rc: Refrigerant Charge Life: Equipment Life LCODP = [ODPr x (Lr x Life +Mr) x Rc]/Life LCGWP = [GWPr x (Lr x Life +Mr) x Rc]/Life

Materials and Resources (13 points) - C1. Building Life-Cycle Impact Reduction (5 points)

Intent: To encourage adaptive reuse and optimize the environmental performance of products and materials. Requirement:Demonstrate reduced environmental effects during initial project decision-making by reusing existing building resources or demonstrating a reduction in materials use through life-cycle assessment. Option 1. Historic Building Reuse Maintain the existing building structure, envelope, and interior nonstructural elements of a historic building or contributing building in a historic district. Do not demolish any part of the building unless it is deemed structurally unsound or hazardous. Option 2. Renovation of Abandoned or Blighted Building Maintain 50% of existing building structure, enclosure and interior structural elements for buildings that are abandoned or blighted. Up to 25% of the building surface area may be excluded from calculation because of deterioration or damage. Option 3. Building and Material Reuse Reuse or salvage building materials from off or on site as a percentage of the surface area, including structural elements, enclosure elements, and permanently installed interior elements. Exclude window assemblies and any hazardous materials that are remediated as part of the project. 25% SA reused = 2 points, 50% = 3, 75% = 4. Option 4. Whole Building Life Cycle Assessment Conduct a life-cycle assessment of the project's structure and enclosure that demonstrates a minimum of 10% reduction (compared with a baseline building) in at least three impact categories. No impact category may increase by more than 5%. Global warming potential (mandatory), depletion of the stratospheric ozone layer, acidification of land and water sources, eutrophication, formation of tropospheric ozone, and depletion of nonrenewable energy resources. Structural elements: Floors, roof decking Enclosure materials: Skin, framing Permanently installed interior elements: Walls, doors, floor coverings, ceiling systems

Location and Transportation (16 points) - C5: Access to Quality Transit (5 points)

Intent: To encourage development in locations shown to have multimodal transporation choices or otherwise reduced motor vehicle use. Requirement: Option 1. Functional entry within a quarter mile of a bus stop, streetcar stop, or rideshare location Option 2. Functional entry with a half mile of bus rapid transit, light or heavy rail station, commuter rail or ferry terminal(There is a minimum trip count)

Location and Transportation (16 points) - C3: High-Priority Site (2 points)

Intent: To encourage project location in areas with development constraints and promote the health of the surrounding area. Requirement: Option 1. Historic District Locate the project on an infill location in a historic district. Option 2. Priority Designation Locate the project on a site listed as EPA National Priority, Federal Empowerment Zone, Federal Enterprise Community, Federal Renewal Community, Low-Income Community, Qualified Census Tract, Difficult Development Area, or local equivalent. Option 3. Brownfield Remediation Locate project on a brownfield where soil or groundwater contamination has been identified. The local, state, or national authority requires its remediation. Brownfield: Previously developed site that is contaminated Infill Site: 75% of site is previously developed Historic District: Group of buildings that have been deemed significant to the area.

Innovation (6 points) - C1. Innovation (5 points)

Intent: To encourage projects to achieve exceptional or innovative performance.

Energy and Atmosphere (33 points) - C7. Green Power and Carbon Offsets

Intent: To encourage the reduction of greenhouse gas emissions through the use of grid-source, renewable energy technologies and carbon mitigation projects. Requirement: Engage in a contract for qualified resources that have come online since January 1, 2005, for a minimum of 5 years, to be delivered at least annually. The contract must specify the provision of at least 50% or 100% of the project's energy from green power, carbon offsets, or renewable energy certificates (RECs). Green power and RECs must be Green-e Energy certified or the equivalent. RECs can only be used to mitigate the effects of Scope 2, electricity use. Carbon offsets may be used to mitigate Scope 1 or Scope 2 emissions on a metric ton of carbon dioxide-equivalent basis and must be Green-e Climate certified, or the equivalent. For U.S. projects, the offsets must be from greenhouse gas emissions reduction projects within the U.S. Determine the percentage of green power or offsets based on the quantity of energy consumed, not the cost. 50% Percentage of total energy addressed by green power, RECs and/or offsets = 1 point, 100% = 2 points.

Innovation (6 points) - C2. LEED Accredited Professional (1 point)

Intent: To encourage the team integration required by a LEED project and to streamline the application and certification process. Requirements: At least one principal participant of the project team must be a LEED Accredited Professional (AP) with a specialty appropriate for the project.

Materials and Resources (13 points) - C3. Building Product Disclosure and Optimization - Sourcing of Raw Materials (2 points)

Intent: To encourage the use of products and materials for which life cycle information is available and that haveenvironmentally, economically, and socially preferable life cycle impacts. To reward project teams forselecting products verified to have been extracted or sourced in a responsible manner. Requirement: Option 1. Raw Material Source and Extraction Reporting Use at least 20 different permanently installed products from at least five different manufacturers that have publicly released a report from their raw material suppliers which include raw material supplier extraction locations, a commitment to long-term ecologically responsible land use, a commitment to reducing environmental harms from extraction and/or manufacturing processes, and a commitment to meeting applicable standards or programs voluntarily that address responsible sourcing criteria. Products sourced from manufacturers with self-declared reports are valued as one half of a product for credit achievement. Products with CSRs are counted as one full product. Option 2. Leadership Extraction Practices Use products that meet at least one of the responsible extraction criteria below for at least 25%, by cost, of the total value of permanently installed building products in the project. Extended producer responsibility. Products purchased from a manufacturer (producer) that participates in an extended producer responsibility program or is directly responsible for extended producer responsibility. Valued at 50% of their cost. Bio-based materials. Must meet the Sustainable Agriculture Network's Sustainable Agriculture Standard. Bio-based raw materials must be tested using ASTM Test Method D6866 and be legally harvested, as defined by the exporting and receiving country. Exclude hide products, such as leather and other animal skin material. Valued at 100% of their cost. Wood products. Must be certified by the Forest Stewardship Council or USGBC approved equivalent. Valued at 100% of their cost. Materials reuse. Reuse includes salvaged, refurbished, or reused products. Valued at 100% of their cost. Recycled content. The sum of postconsumer recycled content plus one-half the preconsumer recycled content, based on cost. Valued at 100% of their cost. USGBC approved program. Other USGBC approved programs meeting leadership extraction criteria.Products sourced (extracted, manufactured and purchased) within 100 miles (160 km) of the project site are valued at 200% of their base contributing cost. The base contributing cost of individual products compliant with multiple responsible extraction criteria is not permitted to exceed 100% its total actual cost (before regional multipliers) and double counting of single product components compliant with multiple responsible extraction criteria is not permitted and in no case is a product permitted to contribute more than 200% of its total actual cost. Corporate Sustainability Reports (CSR): 3rd party verified reports which include environmental impacts of extraction operations and activities associated with the manufacturer's product and the product's supply chain. Acceptable CSR frameworks are the Global Reporting Initiative (GRI) Sustainability Report, Organisation for Economic Co-operation and Develoment (OECD) Guidelines for Multinational Enterprises, U.N. Global Compact: Communication of Progress, ISO 26000: 2010 Guidance on Social Responsibility, or a USGBC approved program that meets the CSR criteria.

Materials and Resources (13 points) - C4. Building Product Disclosure and Optimization - Material Ingredients (2 points)

Intent: To encourage the use of products and materials for which life-cycle information is available and that have environmentally, economically, and socially preferable life-cycle impacts. To reward project teams for selecting products for which the chemical ingredients in the product are inventoried using an accepted methodology and for selecting products verified to minimize the use and generation of harmful substances. To reward raw material manufacturers who produce products verified to have improved lifecycle impacts. Requirement: Option 1. Material Ingredient Reporting Use at least 20 different permanently installed products from at least five different manufacturers that use any of the following programs to demonstrate the chemical inventory of the product to at least 0.1% (1000 ppm): manufacturer inventory, health product declaration, Cradle to Cradle or USGBC approved program. Option 2: Material Ingredient Optimization Use products that document their material ingredient optimization using the paths below for at least 25%, by cost, of the total value of permanently installed products in the project. GreenScreen v1.2 Benchmark, Cradle to Cradle, International Alternative Compliance Path - REACH Optimization, or USGBC approved program. Option 3: Product Manufacturer Supply Chain Optimization Use building products for at least 25%, by cost, of the total value of permanently installed products in the project that are sourced from product manufacturers who engage in validated and robust safety, health, hazard, and risk programs which at a minimum document at least 99% (by weight) of the ingredients used to make the building product or building material, and are sourced from product manufacturers with independent third party verification of their supply chain that at a minimum verifies its safety and transparency.

Materials and Resources (13 points) - C2. Building Product Disclosure and Optimization - Environmental Product Declarations (2 points)

Intent: To encourage the use of products and materials for which life-cycle information is available and that have environmentally, economically, and socially preferable life-cycle impacts. To reward project teams for selecting products from manufacturers who have verified improved environmental life-cycle impacts. Requirement: Option 1. Environmental Product Declaration Use at least 20 different permanently installed products sourced from at least five different manufacturers that are either a product-specific declaration, conforms to ISO 14025 and EN 15804 or ISO 21930 and have at least a cradle to gate scope, or is a USGBC approved program. Option 2. Multi-Attribute Optimization Use products for 50%, by cost, of the total value of permanently installed products in the project that are either third party certified products that demonstrate impact reduction below industry average in at least three of the impact categories OR part of the USGBC approved program. For credit achievement calculation, products sourced (extracted, manufactured, purchased) within 100 miles (160 km) of the project site are valued at 200% of their base contributing cost. Structure and enclosure materials may not constitute more than 30% of the value of compliant building products.

Indoor Environmental Quality (16 points) - C4. Indoor Air Quality Assessment (2 points)

Intent: To establish better quality indoor air in the building after construction and during occupancy. Requirement: Select an option to be implemented after construction ends and the building has been completely cleaned. All interior finishes, such as millwork, doors, paint, carpet, acoustic tiles, and movable furnishings (e.g., workstations, partitions), must be installed, and major VOC punch list items must be finished. Option 1. Flush-Out Two paths: before or during occupancy. Before occupancy, Install new filtration media and perform a building flush-out by supplying a total air volume of 14,000 cubic feet of outdoor air per square foot of gross floor area while maintaining an internal temperature of at least 60°F - 80°F and relative humidity no higher than 60%. During occupancy, the space may be occupied only after delivery of 3,500 cubic feet of outdoor air per square foot of gross floor area while staying in temperatures between 60°F - 80°F and relative humidity no higher than 60%. Once the space is occupied, it must be ventilated at a minimum rate of 0.30 cubic foot per minute (cfm) per square foot of outdoor air or the design minimum outdoor air rate determined in EQ Prerequisite Minimum Indoor Air Quality Performance, whichever is greater. During each day of the flush-out period, ventilation must begin at least three hours before occupancy and continue during occupancy. These conditions must be maintained until a total of 14,000 cubic feet per square foot of outdoor air has been delivered to the space. Option 2. Air Testing After construction ends and before occupancy, but under ventilation conditions typical for occupancy, conduct baseline IAQ testing using protocols consistent with the methods listed in Table 1 for all occupied spaces. Use current versions of ASTM standard methods, EPA compendium methods, or ISO methods, as indicated. Laboratories that conduct the tests for chemical analysis of formaldehyde and volatile organic compounds must be accredited under ISO/IEC 17025 for the test methods they use. Retail projects may conduct the testing within 14 days of occupancy. Demonstrate that contaminants do not exceed the concentration levels. Conduct all measurements before occupancy but during normal occupied hours, with the building ventilation system started at the normal daily start time and operated at the minimum outdoor airflow rate for the occupied mode throughout the test. For each sampling point where the concentration exceeds the limit, take corrective action and retest for the noncompliant contaminants at the same sampling points. Repeat until all requirements are met.

Energy and Atmosphere (33 points) - C1. Enhanced Commissioning (6 points)

Intent: To further support the design, construction, and eventual operation of a project that meets the owner's project requirements for energy, water, indoor environmental quality, and durability. Requirement: Commissioning Authority must have documented commissioning process experience on at least two building projects with a similar scope of work. The experience must extend from early design phase through at least 10 months of occupancy and they may be a qualified employee of the owner, an independent consultant, or a disinterested subcontractor of the design team. CxA reviews contractor submittals and building operations 10 months after substantial completion. Develop an ongoing commissioning plan. Verify training the facility managers. Option 1. Enhanced Systems Commissioning Option 2. Envelope Commissioning Commissioning costs $40-60k per project

Indoor Environmental Quality (16 points) - C8. Quality Views (1 point)

Intent: To give building occupants a connection to the natural outdoor environment by providing quality views Requirement: Achieve a direct line of sight to the outdoors via vision glazing for 75% of all regularly occupied floor area. View glazing in the contributing area must provide a clear image of the exterior, not obstructed by frits, fibers, patterned glazing, or added tints that distort color balance. Additionally, 75% of all regularly occupied floor area must have at least 2 of the 4 types of views: 1. multiple lines of sight to vision glazing in different directions at least 90 degrees apart; 2. views that include at least two of the following: (1) flora, fauna, or sky; (2) movement; and (3) objects at least 25 feet (7.5 meters) from the exterior of the glazing; 3. unobstructed views located within the distance of three times the head height of the vision glazing 4. views with a view factor of 3 or greater, as defined in "Windows and Offices; A Study of Office Worker Performance and the Indoor Environment."Include in the calculations any permanent interior obstructions. Movable furniture and partitions may be excluded. Views into interior atria may be used to meet up to 30% of the required area.

Sustainable Sites (10 points) - C6: Light Pollution Reduction (1 point)

Intent: To increase night sky access, improve nighttime visibility, and reduce the consequences of development for wildlife and people. Requirement: Make a lighting plan to show you are keeping the light on site. Use either option to address uplight and light trespass separately. Option 1. BUG Method: backlight, uplight, glare (IES model) rating system Option 2. Calculation Method: based on zone

Energy and Atmosphere (33 points) - C4. Demand Response (2 points)

Intent: To increase participation in demand response technologies and programs that make energy generation and distribution systems more efficient, increase grid reliability, and reduce greenhouse gas emissions. Requirement: Design building and equipment for participation in demand response programs through load shedding orshifting. On-site electricity generation does not meet the intent of this credit. Case 1. Demand Response Program Available Enroll in a minimum one-year DR participation amount contractual commitment with a qualified DR program provider, with the intention of multiyear renewal, for at least 10% of the estimated peak electricity demand. Case 2. Demand Response Program Not Available Provide infrastructure to take advantage of future demand response programs or dynamic, real-timepricing programs and complete the following activities.

Sustainable Sites (10 points) - C5: Heat Island Reduction (2 points)

Intent: To minimize effects on microclimates and human and wildlife habitats by reducing heat islands. Requirement: Option 1. Non Roof and Roof The area of non roof measures plus the area of high reflectance roof plus the area of the vegetated roof must be equal to or greater than the total site paving area plus the total roof area. For nonroof, shade 50% of hardscapes, reduce hardscapes, use high SRI rated materials, use a pervious (over 50%) open grid pavement. For roof, cover with a high SRI material or cover over 50% with vegetation (green roof). Option 2. Parking Under Cover: A minimum of 75% parking is under the cover of a vegetated roof, energy generation systems (solar panels) or underground (or a roof that has the minimum SRI value). Solar reflectance index (SRI) is the measure of the constructed surface ability to reject solar heat, a combined value of reflectivity and emissivity. It is defined so that standard black is zero (reflectance 0.05, emittance 0.90) and standard white is 100 Heat Island Effect: Cities are 2-10 degrees hotter due to hardscapes like roads, parking, sidewalks that act as heat sinks. Buildings block heat from radiating into the night sky. Albedo & Solar Reflectance Index (SRI 0-100)

Location and Transportation (16 points) - C7: Reduced Parking Footprint (1 point)

Intent: To minimize the environmental harms associated with parking facilities, including automobile dependence, land consumption, and rainwater runoff. Requirement: Do not exceed the minimum local code requirements for parking capacity. Provide parking capacity that is a percentage reduction below the base ratios recommended by the Parking Consultants Council, as shown in the Institute of Transportation Engineers' Transportation Planning Handbook.Must reduce 20% if you did not earn points from C4 or C5. If you did recieve points there, must reduce 40%. Provide preferred parking for carpools for 5% of total parking spaces after reductions are made (not required if there is no off-street parking)

Indoor Environmental Quality (16 points) - Environmental tobacco smoke control

Intent: To prevent or minimize exposure of building occupants, indoor surfaces, and ventilation air distribution systems to environmental tobacco smoke. Requirement: Prohibit smoking inside the building. Prohibit smoking outside the building except in designated smoking areas located at least 25 feet (7.5 meters) from all entries, outdoor air intakes, and operable windows. Also prohibit smoking outside the property line in spaces used for business purposes. Signage must be posted within 10 feet (3 meters) of all building entrances indicating the no-smoking policy. For residential, if it cannot be no smoking, compartmentalize all smoking areas (outdoors, weather stripping, 25 feet from entries, air intakes, and operable windows).

Location and Transportation (16 points) - C6: Bicycle Facilities (1 point)

Intent: To promote bicycling and transportation efficiency and reduce vehicle distance traveled. To improve public health by encouraging utilitarian and recreational physical activity. Requirement: Have a functional entry or bike storage be in 200 yard walking or biking distance of an existing bicycle network that connects to 10 diverse uses within 3 miles. Provide short term and long term bike storage and showers, for a percentage of visitors or occupants depending on the type of building (commercial, residential, mixed-use) and the number of FTE. Long term bike parking: covered, easily accessible to residents and employees Short term bike parking: uncovered, used by visitors

Indoor Environmental Quality (16 points) - C1. Enhanced Indoor Air Quality Strategies (2 points)

Intent: To promote occupants' comfort, well-being, and productivity by improving indoor air quality. Requirement: Option 1. Enhanced IAQ Strategies A. Entryway Systems B. Interior Cross-Contamination Prevention C. Filtration D. Natural Ventilation Design Calculations E. Mixed-Mode Design Calculations Option 2. Additional Enhanced IAQ Strategies A. Exterior Contamination Prevention B. Increased Ventilation C. Carbon Dioxide Monitoring D. Additional Source Control and Monitoring E. Natural Ventilation Room-by-Room Calculations

Indoor Environmental Quality (16 points) - C6. Interior Lighting (2 points)

Intent: To promote occupants' productivity, comfort, and well-being by providing high-quality lighting Requirement: Option 1. Lighting Control For at least 90% of individual occupant spaces, provide individual lighting controls that enable occupants to adjust the lighting to suit their individual tasks and preferences, with at least three lighting levels or scenes (on, off, midlevel). Midlevel is 30% to 70% of the maximum illumination level (not including daylight contributions) Option 2. Lighting Quality Choose 4 of 8 presented strategies.

Indoor Environmental Quality (16 points) - C5. Thermal Comfort (1 point)

Intent: To promote occupants' productivity, comfort, and well-being by providing quality thermal comfort Requirement: Thermal Comfort Design Option 1. ASHRAE Standard 55-2010 Design HVAC systems and the building envelope to meet the requirements of ASHRAE Standard 55-2010, Thermal Comfort Conditions for Human Occupancy with errata or a local equivalent Option 2. ISO and CEN Standards Design HVAC systems and the building envelope to meet the requirements of either ISO 7730:2005, Ergonomics of the Thermal Environment, analytical determination and interpretation of thermal comfort, using calculation of the PMV and PPD indices and local thermal comfort criteria or CEN Standard EN 15251:2007, Indoor Environmental Input Parameters for Design and Assessment of Energy Performance of Buildings, addressing indoor air quality, thermal environment, lighting, and acoustics, Section A2. Thermal Comfort Control Provide individual thermal comfort controls for at least 50% of individual occupant spaces. Provide group thermal comfort controls for all shared multioccupant spaces. Thermal comfort controls allow occupants, whether in individual spaces or shared multioccupant spaces, to adjust at least one of the following in their local environment: air temperature, radiant temperature, air speed, and humidity.

Indoor Environmental Quality (16 points) - C3. Construction Indoor Air Quality Management Plan (1 point)

Intent: To promote the well-being of construction workers and building occupants by minimizing indoor air quality problems associated with construction and renovation. Requirement: Develop and implement an indoor air quality (IAQ) management plan for the construction and preoccupancy phases of the building. During construction, meet or exceed all applicable recommended control measures of the Sheet Metal and Air Conditioning National Contractors Association (SMACNA) IAQ Guidelines for Occupied Buildings under Construction, 2nd edition, 2007, ANSI/SMACNA 008-2008, Chapter 3. Protect absorptive materials stored on-site and installed from moisture damage. Do not operate permanently installed air-handling equipment during construction unless filtration media with a minimum efficiency reporting value (MERV) of 8, as determined by ASHRAE 52.2-2007, with errata (or equivalent filtration media class of F5 or higher, as defined by CEN Standard EN 779-2002, Particulate Air Filters for General Ventilation, Determination of the Filtration Performance), are installed at each return air grille and return or transfer duct inlet opening such that there is no bypass around the filtration media. Immediately before occupancy, replace all filtration media with the final design filtration media, installed in accordance with the manufacturer's recommendations. Prohibit the use of tobacco products inside the building and within 25 feet (7.5 meters) of the building entrance during construction.

Regional Priority (4 points) - C1. Regional Priority (4 points)

Intent: To provide an incentive for the achievement of credits that address geographically specific environmental, social equity, and public health priorities. Requirements: Local groups of volunteers (USGBC regional councils and chapters) vote on regional priority credits, which gives 6 existing credits bonus points. A project may earn up to 4 of the 6 available points. The database of credits and geographical applicability is on USGBC.

Indoor Environmental Quality (16 points) - C9. Acoustic Performance (1 point)

Intent: To provide workspaces and classrooms that promote occupants' well-being, productivity, and communications through effective acoustic design. Requirement: Meet requirements for HVAC background noise, sound transmission/isolation, reverberation time, and sound reinforcement and masking.

Indoor Environmental Quality (16 points) - C2. Low-Emitting Materials (3 points)

Intent: To reduce concentrations of chemical contaminants that can damage air quality, human health, productivity, and the environment. Requirement: This credit includes requirements for product manufacturing as well as project teams. It covers volatile organic compound (VOC) emissions in the indoor air and the VOC content of materials, as well as the testing methods by which indoor VOC emissions are determined. The building interior and exterior are organized in seven categories, each with different thresholds of compliance. The building interior is defined as everything within the waterproofing membrane. The building exterior is defined as everything outside and inclusive of the primary and secondary weatherproofing system, such as waterproofing membranes and air- and water-resistive barrier materials. Option 1. Product Category Calculations VOC thresholds for paints, coatings, adhesives, sealants, flooring, composite wood, ceilings, walls, thermal and acoustic insulation, furniture (10 categories). Pick two categories to comply with = 1 points, 2 categories = 4 points, 3 categories = 5 points (no furniture) or 3 categories = 1 point, 5 categories = 2 points, 6 categories = 3 points (with furniture). Option 2. Budget Calculation Method Assemblies: flooring, ceilings, walls, thermal and acoustic insulation, furniture. Calculate percentage compliance from which the points are based. For compliance, they must by inherently nonemitting sources, have a general emissions evaluation, have additional requirements for wet-applied products, a composite wood or furniture evaluation.

Materials and Resources (13 points) - P2. Construction and Demolition Waste Management Planning

Intent: To reduce construction and demolition waste disposed of in landfills and incineration facilities by recovering, reusing, and recycling materials. Requirement: Develop and implement a construction and demolition waste management plan: 1. Establish waste diversion goals for the project by identifying at least five materials (both structural and nonstructural) targeted for diversion. Approximate a percentage of the overall project waste that these materials represent. 2. Specify whether materials will be separated or commingled and describe the diversion strategies planned for the project. Describe where the material will be taken and how the recycling facility will process the material. Provide a final report detailing all major waste streams generated, including disposal and diversion rates. Alternative daily cover (ADC) does not qualify as material diverted from disposal. Include materials destined for ADC in the calculations as waste. Land-clearing debris is not considered construction, demolition, or renovation waste that can contribute to waste diversion.

Materials and Resources (13 points) - C5. Construction and Demolition Waste Management (2 points)

Intent: To reduce construction and demolition waste disposed of in landfills and incineration facilities by recovering, reusing, and recycling materials. Requirement: Recycle and/or salvage nonhazardous construction and demolition materials. Calculations by weight or volume. Exclude excavated soil, land-clearing debris from calculations. Include materials destined for alternative daily cover (ADC) in the calculations as waste (not diversion). Include wood waste converted to fuel(biofuel) in the calculations; other types of waste-to-energy are not considered diversion for this credit. Option 1. Diversion Path 1. Divert 50% and Three Material Streams (1 point) Path 2. Divert 75% and Four Material Streams (2 points) Option 2. Reduction of Total Waste Material Do not generate more than 2.5 pounds of construction waste per square foot (12.2 kilograms of waste per square meter) of the building's floor area.

Water Efficiency (11 points) - C2. Indoor Water Use Reduction (6 points)

Intent: To reduce indoor water consumption. Requirement: Further reduce fixture and fitting water use from the calculated baseline in P2. Use low flow fixtures, rainwater/recycled graywater for toilets, Energy Star standard appliances Percentage reduction of indoor water use: 20% is mandatory, 25% = 1 point, 30% = 2, 35% = 3, 40% = 4, 45% = 5, 50% = 6.

Water Efficiency (11 points) - P2. Indoor Water Use Reduction

Intent: To reduce indoor water consumption. Requirement: Use only WaterSense products for fixtures (toilets, faucets, urinals) to reduce water consumption by 20% from baseline using given volumes and flow rates. Use EnergyStar appliances (clothes washer, dish washer, ice machine). Baseline is calculated from the design case installed in the building

Water Efficiency (11 points) - C1. Outdoor Water Use Reduction (2 points)

Intent: To reduce outdoor potable water consumption. Requirement: Non Vegetated surfaces, such as permeable or impermeable pavement, should be excluded from landscape area calculations. Athletic fields and playgrounds (if vegetated) and food gardens may be included or excluded at the project team's discretion. Option 1. No Irrigation Required Show that the landscape does not require a permanent irrigation system beyond a maximum two-year establishment period Option 2. Reduced Irrigation Reduce the project's landscape water requirement (LWR) by at least 50% from the calculated baseline for the site's peak watering month. Reductions must first be achieved through plant species selection and irrigation system efficiency as calculated in the EPA WaterSense Water Budget Tool. Additional reductions beyond 30% may be achieved using any combination of efficiency, alternative water sources, and smart scheduling technologies. Percentage reduction from baseline: 30% (mandatory), 50% - 1 point, 100% - 2 points. Use adaptive/native plants, xeriscaping, efficiency irrigation drip lines, demand meters so sprinklers shut off in the rain, and non-potable water usage for irrigation.

Water Efficiency (11 points) - P1. Outdoor Water Use Reduction

Intent: To reduce outdoor potable water consumption. Requirement: Non Vegetated surfaces, such as permeable or impermeable pavement, should be excluded from landscape area calculations. Athletic fields and playgrounds (if vegetated) and food gardens may be included or excluded at the project team's discretion. Option 1. No irrigation required Show that the landscape does not require a permanent irrigation system beyond a maximum two-year establishment period Option 2. Reduced irrigation Reduce the project's landscape water requirement by at least 30% from the calculated baseline for the site's peak watering month. Reductions must be achieved through plant species selection and irrigation system efficiency, as calculated by the Environmental Protection Agency (EPA) WaterSense Water Budget Tool. Baseline is calculated from FTE and the US Energy Policy Act of 1992 or 2005 (EPAct)

Location and Transportation (16 points) - C8: Green Vehicles (1 point)

Intent: To reduce pollution by promoting alternatives to conventionally fueled automobiles. Requirement: Designate 5% of all spaces as preferred parking for green vehicles OR give a discounted parking rate of 20% for green vehicles. Option 1. Electric Vehicle Charging Install electrical vehicle supply equipment (EVSE) for 2% of all parking spaces (in addition to the preferred spaces for green vehicles) Option 2. Liquid, gas or battery facilities Install liquid or gas alternative fuel facilities or battery switching station to refuel a number of vehicles per day equal to 2% of all parking spaces. Green Vehicle: American Council for an Energy Efficiency Economy (ACEEE) annual vehicle rating score of 45 or higher

Sustainable Sites (10 points) - P1: Construction Activity Pollution Prevention

Intent: To reduce pollution from construction activities by controlling soil erosion, waterway sedimentation, and airborne dust. Requirement: Create and implement an erosion and sedimentation control plan for all construction activities associated with the project. The plan must conform to the erosion and sedimentation requirements of the 2017 U.S. Environmental Protection Agency (EPA) Construction General Permit (CGP) or local equivalent, whichever is more stringent. Projects must apply the CGP regardless of size. The plan must describe the measures implemented.

Sustainable Sites (10 points) - C4: Rainwater Management (3 points)

Intent: To reduce runoff volume and improve water quality by replicating the natural hydrology and water balance of the site, based on historical conditions and undeveloped ecosystems in the region. Requirement: Overall goal is to reduce load to municipal wastewater system. Option 1. Percentile of Rainfall Events 2 points: 95th Percentile - Replicate natural site hydrology processes, manage runoff on site for the 95th percentile of rainfall invents using low impact development and green infrastructure 3 points - 98th Percentile3 points - 85th Percentile (zero lot line projects with FAR of 1.5) Option 2. Natural Land Cover Conditions Manage annual increase in runoff volume from the natural land cover condition compared to the post developed condition on site. (Don't make it worse) Green Infrastructure: Soil and vegetation based approach to rainwater management allowing water to infiltrate the ground. Low Impact Development: On-site natural features to protect water quality by addressing runoff close to its source, like a rain garden. Zero Lot Line: A zero-lot-line property is one where a home or building has at least one wall placed on the boundary line of the property, leaving virtually no room between the building and the boundary line. This can occur when individual plots are small, and it maximizes living space at the expense of the yard.

Energy and Atmosphere (33 points) - P4. Fundamental Refrigerant Management

Intent: To reduce stratospheric ozone depletion. Requirement: Do not use chlorofluorocarbon (CFC) or hydro chlorofluorocarbon (HCFC)-based refrigerants in new heating, ventilating, air-conditioning, and refrigeration (HVAC&R) systems. When reusing existing HVAC&R equipment, complete a comprehensive CFC and/or HCFC phase-out conversion before project completion. Phase-out plans extending beyond the project completion date will be considered on their merits. Existing small HVAC&R units (defined as containing less than 0.5 pound [225 grams] of refrigerant) and other equipment, such as standard refrigerators, small water coolers, and any other equipment that contains less than 0.5 pound (225 grams) of refrigerant, are exempt. CFC (freon) banned in 2010, has the highest ODP (ozone depletion potential) and GWP (global warming potential). Natural refrigerants are air and water, such as a cooling tower. Non-banned refrigerants are HCFC (lower ODP, phase out 2030), HFC (no ODP, highest GWP), and halocarbons for fire suppression. HCFCs were the first refrigerants to replace CFCs and are the most commonly used alternatives today.

Energy and Atmosphere (33 points) - C5. Renewable Energy Production (5 points)

Intent: To reduce the environmental and economic harms associated with fossil fuel energy by increasing self-supply of renewable energy. Requirement: Use renewable energy systems to offset building energy costs. Calculate the percentage of renewable energy with the following equation:% renewable energy = (Equivalent cost of usable energy produced by the renewable energy system) divided by (Total building annual energy cost)The use of solar gardens or community renewable energy systems is allowed if the project owns the system or has signed a lease agreement for a period of at least 10years and the system is located with the same utility service area as the facility claiming the use. Credit is based on the percentage of ownership or percentage of use assigned in the lease agreement. 1% = 1 point, 5% = 2 points, 10% = 3 points.

Energy and Atmosphere (33 points) - P2. Minimum Energy Performance

Intent: To reduce the environmental and economic harms of excessive energy use by achieving a minimum level of energy efficiency for the building and its systems. Requirement: Option 1. Whole-Building Energy Simulation Demonstrate an improvement of 5% from baseline building Option 2. Prescriptive Compliance: ASHRAE 50% Advanced Energy Design Guide Comply with the HVAC and service water heating requirements, including equipment efficiency, economizers, ventilation, and ducts and dampers in the ASHRAE 50% Advanced Energy Design Guide and climate zone Option 3. Prescriptive Compliance: Advanced Buildings Core Performance Guide Comply with ASHRAE sections on supply air temperature reset, premium economizer performance, and variable speed control. ANSI/ASHRAE/IESNA Standard 90.1-2016 used to determine a baseline building performance

Materials and Resources (13 points) - P1. Storage and Collection of Recyclables

Intent: To reduce the waste that is generated by building occupants and hauled to and disposed of in landfills. Requirement: Provide dedicated areas accessible to waste haulers and building occupants for the collection and storage of recyclable materials for the entire building. Collection and storage areas may be separate locations. Recyclable materials must include mixed paper, corrugated cardboard, glass, plastics, and metals. Take appropriate measures for the safe collection, storage, and disposal of two of the following: batteries, mercury-containing lamps, and electronic waste. For Retail: Conduct a waste stream study to identify the retail project's top five recyclable waste streams, by either weight or volume, using consistent metrics. Based on the waste stream study, list the top four waste streams for which collection and storage space will be provided. If no information is available, use data from similar operations to make projections. Retailers with existing stores of similar size and function can use historical information from their other locations.

Energy and Atmosphere (33 points) - C3. Advanced Energy Metering (1 point)

Intent: To support energy management and identify opportunities for additional energy savings by tracking building-level and system-level energy use. Requirement: Install advanced energy metering for all whole-building energy sources used by the building and any individual energy end uses that represent 10% or more of the total annual consumption of the building. Meters must be permanently installed, record at intervals of one hour or less, and transmit data to a remote location. Electricity meters must record both consumption and demand. Whole-building electricity meters should record the power factor, if appropriate. The data collection system must use a local area network, building automation system, wireless network, or comparable communication infrastructure. The system must be capable of storing all meter data for at least 36 months. The data must be remotely accessible. All meters in the system must be capable of reporting hourly, daily, monthly, and annual energy use.

Energy and Atmosphere (33 points) - P3. Building-Level Energy Metering

Intent: To support energy management and identify opportunities for additional energy savings by tracking building-level energy use. Requirement: Install new or use existing building-level energy meters, or submeters that can be aggregated to provide building-level data representing total building energy consumption (electricity, natural gas, chilled water, steam, fuel oil, propane, biomass, etc). Utility-owned meters capable of aggregating building-level resource use are acceptable. Collect data monthly and share with USGBC for 5 years.

Integrative Design Process (1 point) - Integrative Design Process (1 point)

Intent: To support high-performance, cost-effective, project outcomes through an early analysis of the interrelationships among systems. Requirements: Beginning in pre-design and continuing throughout the design phases, identify and use opportunities to achieve synergies across disciplines and building systems. Use the analyses described below to inform the owner's project requirements (OPR), basis of design (BOD), design documents, and construction documents. Perform a preliminary analysis for Energy-Related Systems and Water-Related Systems. Project Team Letter: A dated letter on the letterhead of the Integrative Process Facilitator that summarizes the team's integrative process approach and describes the difference that this integrative approach made in terms of improving project team interaction and project performance. Signed by all principal project team members. Describe the approach developed by the project team for engaging a clearly defined and manageable integrative design process beginning in pre-design and continuing throughout the design phases.

Energy and Atmosphere (33 points) - P1. Fundamental Commissioning and Verification

Intent: To support the design, construction, and eventual operation of a project that meets the owner's project requirements for energy, water, indoor environmental quality, and durability. Requirement: Commission mechanical, electrical, plumbing, and renewable energy systems and assemblies according to ASHRAE. A qualified commissioning Authority (CxA) reviews OPR and BOD, verifies system execution. Prepare and maintain a current facilities requirements, operations and maintenance plan that contains the info necessary to operate the building efficiently. Commissioning (Cx): Verify and document that all systems are planned, designed, installed, tested, operational and maintained. The commissioning authority is looking out for the owner's investment. Happens in the substantial completion phase.

Water Efficiency (11 points) - C4. Water Metering (1 point)

Intent: To support water management and identify opportunities for additional water savings by tracking water consumption. Requirement: Install permanent submeter for 2 of the following: irrigation water (80% of irrigated landscape area), indoor plumbing fixtures and fittings (80%), domestic hot water (80%), boilers, reclaimed water, process water (80%). Process water: Humidification systems, dishwashers, clothes washers, pools, other subsystems

Water Efficiency (11 points) - P3. Building-Level Water Metering

Intent: To support water management and identify opportunities for additional water savings by tracking water consumption. Requirement: Install permanent water meters that measure the total potable water use for the building and associated grounds and share data with USGBC for 5 years. Compiled into monthly and annual summaries.

Location and Transportation (16 points)

Mitigate occupant impact by selecting a location: 1. In an existing community 2. Has transportation infrastructure 3. Has walking paths to amenities 4. Discourages the use of private gas automobiles