The
LEED
Rating System
LEED v4 Bri Dazio
Contents [04] Rating System Adaptations [06] Integrative Process [08] Location and Transportation Category [18] Sustainable Sites Category [28] Water Efficiency Category [38] Energy and Atmosphere Category [52] Materials and Resources Category [62] Indoor Environmental Quality Category [76] Innovation Category [80] Regional Priority Category [84] Glossary
Rating System Adaptations “Applies to buildings that are being newly constructed or going through a major renovation.�
New Construction
New construction or major renovation of buildings
Warehouses and DCs
Store goods, manufactured merchandise or materials
Core and Shell
Shell and core mechanical/ electrical/plumbing units
Retail
Conduct retail sale of consumer product goods
Schools
Made up of core and ancillary learning spaces
Hospitality
Service industry provides short-term lodging
Data Centers
Meet needs of high density computing equipment
Healthcare
Hospitals operate 24/7 for medical treatment
5
Credit 1: Integrative Process Intent: To support high-performance, cost-effective project outcomes through an early analysis of the relationships among systems Terms to Know: •Integrative design process •Integrative project team •OPR •BOD •“Simple Box” energy modeling analysis •Water Budget
Rating Systems Included: •New Construction •Core and Shell •Schools •Data Centers •Warehouses and Distribution Centers •Retail •Hospitality •Healthcare
Standards to Know: •ANSI National Guide 2.0 •AIA’s IPD Guide •EPA’s Target Finder
Option 1: Energy Related Systems Path 1: Energy Discovery 1. Establish an energy performance target 2. Perform a preliminary “simple box” energy modeling analysis 3. Explore how to reduce energy loads in the building 4. Assess 2 strategies associated with each of the following: a. Site conditions b. Massing and orientation c. Basic envelope attributes d. Lighting levels e. Thermal comfort ranges f. Plug and process load reductions g. Programmatic and operational parameters
Path 2: Energy Implementation 1. Use IP Worksheet to summarize how integrative approach informed the design through: a. Building and site program b. Building form and geometry c. Building envelope and facade treatment d. Elimination and/or downsizing of building systems
Option 2: Water Related Systems Path 1: Water Discovery 1. Perform preliminary Water Budget analysis 2. Explore how to reduce potable water loads 3. Assess and estimate potential to use 1 non-potable water source to affect 2 water demands a. Indoor water demand b. Outdoor water demand c. Process water demand d. Supply sources LEED v4
6
Option 2: Water Related Systems (cont.) Path 2: Water Implementation 1. Use IP Worksheet to document how analysis informed design a. Plumbing systems b. Sewage conveyance and/or on-site treatment c. Rainwater management d. Landscaping, irrigation and site elements e. Roofing systems f. Building form and geometry
7
01
Location and Transportation Category “Rewards thoughtful decisions about building location, with credits that encourage compact development, alternative transportation, and connection with amenities, such as restaurants and parks.�
Location and Transportation Credits: Credit 1: LEED for ND Location Credit 2: Sensitive Land Protection Credit 3: High Priority Site Credit 4: Surrounding Density and Diverse Uses Credit 5: Access to Quality Transit Credit 6: Bicycle Network Credit 7: Reduced Parking Footpring Credit 8: Green Vehicles
Credit 1: LEED for ND Location Intent: Avoid development on inappropriate sites, to reduce vehicle distance traveled and to enhance livability and improve human health by encouraging daily physical activity.
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Option 1: LEED ND Location 1. Locate project within boundary of LEED ND site and earn points based on ND certification level and project sector
Certified
BD+C Points 8
Core and Shell Points 8
School Points 8
Healthcare Points 5
Silver
10
12
10
6
Gold
12
16
12
7
Platinum
16
20
15
9
Certification Level
LEED v4
Location and Transportation Category
10
Credit 2: Sensitive Land Protection Intent: Avoid development of environmentally sensitive lands and reduce the environmental impact from the location of a building on site Terms to Know: •Previously developed land •Prime farmland •Floodplains •Habitats •Water bodies •Wetlands
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Standards to Know: •CFR •NRCS •FEMA •ISA
Option 1: Previously Developed Land 1. Locate the development footprint on land that has been previously developed
Option 2: Avoidance of Sensitive Lands 1. Locate the development footprint on land that does not meet the following criteria for sensitive land: a. Prime farmland b. Floodplains c. Habitat d. Water bodies i. Within 100 feet e. Wetlands i. Within 50 feet 2. Minor improvements within the wetland and water body buffers may be undertaken: a. Bicycle and pedestrian pathways i. No more than 12 feet wide ii. Of which no more than 8 feet may be impervious b. Activities to maintain or restore native natural communities and/or natural hydrology c. One single story structure per 300 lineal feet i. Not exceeding 500 ft2 d. Grade changes necessary to ensure public access e. Clearings i. Limited to one per 300 lineal feet ii. Not exceeding 500 ft2 f. Removal of the following tree types: i. Hazardous trees, up to 75% of dead trees ii. Trees less than 6” diameter at breast height iii. Up to 20% of trees more than 6” diameter at breast height with a condition rating of 40% or higher iv. Trees under 40% condition rating per ISA standard measures g. Brownfield remediation activities LEED v4
Location and Transportation Category
11
Credit 3: High Priority Site Intent: To encourage project location in areas with development constraints and promote the health of the surrounding area Terms to Know: •High priority site •Infill location •Historic district •Priority designation •Brownfield •Remediation
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Standards to Know: •QCT •DDA •Phase II ESA
Option 1: Historic District 1. Locate the project on an infill location in a historic district
Option 2: Priority Designation 1. Locate the project on one of the following: a. Site listed by EPA National Priorities List b. Federal Empowerment Zone site c. Federal Enterprise Community site d. Federal Renewal Community site e. Dept. of Treasury Community Development Financial Institutions Fund Qualified LowIncome Community f. Site in a US Dept. of Housing and Urban Development’s Qualified Census Tract (QCT) or Difficult Development Area (DDA)
Option 3: Brownfield Remediation 1. Locate on a brownfield where soil or groundwater contamination has been identified, and where the local, state or national authority requires its remediation 2. Perform remediation to the satisfaction of authority per Phase II ESA
LEED v4
Location and Transportation Category
12
Credit 4:
Surrounding Density and Diverse Uses
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 heath by encouraging daily physical activity Terms to Know: •Surrounding density •Density development •Density radius •Residential density measurement •Non-residential density measurement •Combination density measurement •Diverse uses
Rating Systems Included: •New Construction •Core and Shell •Retail •Data Centers •Hospitality Adaptations Include: •Healthcare •Warehouses and Distribution centers •Schools
Option 1: Surrounding Density 1. Locate on a site whose surrounding existing density within a 1/4 mile radius of the project boundary meets certain thresholds
Combined Density SF/Acre 22,000 35,000
Separate Residential and Non-Residential Densities DU/acre FAR
BD+C Points
Core and Shell Points
7
0.5
2
2
12
0.8
3
4
Option 2: Diverse Uses 1. Construct or renovate such that building’s main entrance is within 1/2 mile walking distance of main entrance of 4-7 OR 8 existing and publicly available diverse uses: a. Use counts only one type b. No more than 2 uses in each use type may be counted c. Counted uses must represent 3 of the 5 categories, exclusive of the building’s use
LEED v4
Location and Transportation Category
13
Credit 5: Access to Quality Transit Intent: To encourage development in locations shown to have multimodal transportation choices or otherwise reduced motor vehicle use, thereby reducing greenhouse gas emissions, air pollution, and other environmental and public health harms associated with motor vehicle use
Rating Systems Included: •New Construction •Core and Shell •Retail •Data Centers •Hospitality Adaptations Include: •Healthcare •Schools •Warehouses and Distribution Centers
Option 1: Stops and Services 1. Locate any functional entry within 1/4 mile walking distance of stops for the following: a. Bus b. Streetcar c. Rideshare 2. Locate any functional entry within 1/2 mile walking distance of stops for the following: a. Bus rapid transit b. Light or heavy rail stations c. Commuter rail stations d. Commuter ferry terminals 3. Both weekday and weekend trip minimums must be met: a. Qualifying transit routes must have paired route service in opposite directions b. Only trips in one direction are counted towards threshold Minimum Daily Transit Services: Projects with Multiple Transit (bus, streetcar, rail, or ferry) Weekday Trips
Weekend Trips
72 144 360
40
BD+C Points 1
Core and Shell Points 1
108
3
3
216
5
6
Minimum Daily Transit Service: Projects with commuter rail or ferry service only Weekday Trips 24
Weekend Trips 6
Points 1
40
8
2
60
12
3
Exemplary Performance Opportunity 1. Double highest transit service 2. Diversity of service: Served by 2+ routes where neither provide greare than 60% daily rides LEED v4
Location and Transportation Category
14
Credit 6: Bicycle Facilities Intent: To promote bicycling and transportation efficiency and reduce vehicle distance traveled, to improve public health by encouraging utilitarian and recreational physical activity Terms to Know: •Bicycle network •Diverse uses
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Option 1: Bicycle Network 1. Locate project with functional entry or bicycle storage within 200 yards walking or bicycling distance from a bicycle network that connects to at least one of the following: a. At least 10 diverse uses b. A school or employment center c. Bus rapid transit stop, light or heavy rail, commuter rail station, or ferry terminal 2. All destinations must be within a 3 mile bicycling distance of the project boundary
Option 2: Bicycle Storage Path 1: Short Term Storage 1. Provide short term storage with no fewer than 4 storage spaces per building within 100 feet of the main entrance a. Commercial/ institutional projects: for at least 2.5% of peak visitors b. Residential projects: for at least 2.5% of peak visitors
Path 2: Long Term Storage 1. Provide long term storage with no fewer than 4 storage spaces per building within 100 feet of any functional entrance a. Commercial/ institutional projects: for at least 5% of all regular building occupants b. Residential projects: for at least 30% of all regular building occupants i. No less than 1 storage space per residential unit
Option 3: Changing Facilities 1. For commercial projects, provide at least 1 on-site shower with a changing facility for the first 100 regular building occupants a. Provide 1 additional shower for every 150 regular occupants thereafter
LEED v4
Location and Transportation Category
15
Credit 7: Reduced Parking Footprint Intent: To minimize the environmental harms associated with parking facilities, including automobile dependence, land consumption, and rainwater runoff Terms to Know: •Preferred parking •Transportation Demand Management Standards to Know: •ITE
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Option 1: ITE Reduction 1. Provide parking capacity that is a percentage reduction below base ratios per ITE’s Transportation Planning Handbook
Option 2: LT Credits 4 and 5 Synergy 1. Projects that have no earned any points under LT Credit 4 (Surrounding Density and Diverse Uses) or LT Credit 5 (Access to Quality Transit): a. Must achieve a 20% reduction from base ratios 2. Projects that have 1+ points under LT Credit 4 (Surrounding Density and Diverse Uses) or LT Credit 5 (Access to Quality Transit): a. Must achieve a 40% reduction from base ratios
Option 3: Transportation Demand Management 1. Initiate programs to alleviate the need for parking, such as: a. Shuttles b. Carpooling i. Provide preferred parking for carpools for 5% of total parking spaces c. Telecommuting d. Compressed work weeks e. Transit subsidies
LEED v4
Location and Transportation Category
16
Credit 8: Green Vehicles Intent: To reduce pollution by promoting alternatives to conventionally fueled automobiles Terms to Know: •Preferred parking •Green vehicles •ACEEE •LEV •ZEV •EVSE
Rating Systems Included: •New Construction •Core and Shell •Retail •Data Centers •Hospitality •Healthcare Adaptations Included: •Schools •Warehouses and Distribution Centers
Option 1: 5% Preferred Parking 1. Designate 5% of all parking spaces for green vehicles 2. Offer 20% parking rate discount for green vehicles if no preferred parking option
Option 2: 2% Alternative Fueling Station Path 1: EVSE 1. Install EVSE in 2% of all parking spaces a. Clearly identify and reserve spaces for sole use by plug-in electric vehicles 2. EVSE requirements include: a. Provide a Level 2 Charging Capacity i. 208-240 volts or greater b. Comply with relevant local standard for electrical connectors i. SAE Surface Vehicle Recommended Practice J1772 ii. SAE Electric Vehicle Conductive Charge Couple iii. IEC 62196 of the International Electrotechnical Commission c. Be networked or internet accessible i. Be capable of participating in demand-response program i. Be capable of participating in time of use pricing
Path 2: Liquid, Gas, or Battery Facilities 3. Install liquid or gas alternative fuel fueling facilities or battery switching station a. Capable of refueling a number of vehicles per day equal to at 2% of parking spaces
LEED v4
Location and Transportation Category
17
02
Sustainable Sites Category “Rewards decisions about the environment surrounding the building, with credits that emphasize the vital relationships among buildings, ecosystems, and ecosystem services.�
Sustainable Sites Credits: PreReq1: Construction Activity Pollution Prevention Credit 1: Site Assessment Credit 2: Site Development Credit 3: Open Space Credit 4: Rainwater Management Credit 5: Heat Island Reduction Credit 6: Light Pollution Reduction
PreReq 1:
Construction Activity Pollution Prevention
Intent: To reduce pollution from construction activities by controlling soil erosion, waterway sedimentation, and airborne dust Terms to Know: •ESC Plan Standards to Know: •CGP •SWPPP •NPDES
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Option 1: ESC Plan 1. Create and implement an ESC plan for all construction activities associated with project a. Plan must conform to erosion and sedimentation requirements of 2012 US EPA CGP and local equivalents 2. Strategies include: a. Limit site disturbance b. Mulching c. Erosion blanket d. Seeding e. Straw bales f. Silt fencing g. Control water flow h. Stabilize exposed areas i. Berms and constructed pods j. Topsoiling k. Land grading l. Vegetation stabilization m. Inlet protection
LEED v4
Sustainable Sites Category
20
Credit 2: Site Assessment Intent: To assess site conditions before design to evaluate sustainable options and inform related decisions about site design Terms to Know: •Site assessment •Topography •Hydrology •Climate •Vegetation •Soils •Human use •Human health effects
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Option 1: Site Assessment 1. Complete and document a site survey or assessment that includes the following information: a. Topography b. Hydrology c. Climate d. Vegetation e. Soils f. Human use g. Human health effects 2. Survey or assessment should demonstrate the relationships between site features and how they influenced the project’s design
LEED v4
Sustainable Sites Category
21
Credit 2: Site Development- Protect or Restore Habitat Intent: To conserve existing natural areas and restore damaged areas to provide habitat and promote biodiversity Terms to Know: •Habitat •Greenfield •Native and adapted plants Standards to Know: •NRCS •Land Trust Alliance
Rating Systems Included: •New Construction •Core and Shell •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare Adaptations Include: •Schools
Option 1: On-Site Restoration 1. Protect 40% of existing greendfield site from development 2. Restore 30% of total site identified as previously disturbed a. Use native or adapted vegetation 3. Restore all disturbed or compacted soils that will be revegetated within project’s development footprint to meet the following requirements: a. Soils must be reused in functions comparable to their original state b. Imported topsoils or soil blends designed to serve as topsoil may not include: i. Soils defined regionally by NRCS as farmland, or of importance ii. Soils from other greenfield sites, unless byproduct of a construction process 4. Restored soil must meet the criteria in categories #1-3 and EITHER #4 OR #5 1. Organic matter 2. Compaction 3. Infiltration rates 4. Soil biological function 5. Soil chemical characteristics Exception: Projects with 1.5 FAR Density may include vegetated roof in calculations
Option 2: Financial Support 1. Provide financial support to a nationally or locally recognized land trust or conservation organization a. Organization must be within the same EPA Level III eco-region or the project’s state b. Land trust must be accredited by the Land Trust Alliance c. Support to be equivalent to at least $0.40 per square foot for the total site area
Exemplary Performance Opportunity 1. Option 1: Restore 60% of total site 2. Option 2: Double financial support to $0.80 per square foot of total site area
LEED v4
Sustainable Sites Category
22
Credit 3: Open Space Intent: To create exterior open space that encourages interaction with the environment, social beings, passive recreation, and physical activities Terms to Know: •Open space
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Option 1: Open Space 1. Provide outdoor space greater than 30% of the total site area a. A minimum of 25% of that outdoor space must be vegetated or have an overhead vegetated canopy 2. Outdoor space must be physically accessible and be one or more of the following: a. Pedestrian oriented paving or turf area for social activity b. Recreation oriented paving or turf for physical activity c. Garden space with a diversity of vegetation for year round visual interest d. Garden space for community or urban food production e. Preserved or created habitat that includes elements of human interaction Exception: Projects with 1.5 FAR Density may count physically accessible green roof in the 25% of vegetated outdoor space Exception: Multi-tenant complexes may have open space that is not adjacent to the site
LEED v4
Sustainable Sites Category
23
Credit 4: Rainwater Management 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 Terms to Know: •Runoff •LID •GI •Impervious Surface •Zero Lot Line
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Standards to Know: •EPA Technical Guidance on Implementing StormWater Runoff for Federal Projects •Section 438 of Energy Independence and Security Act
Option 1: Percentile of Rainfall Events Path 1: 95th Percentile 1. Replicate natural site hydrology to manage runoff for the 95th percentile of regional or local rainfall events using LID or GI a. Use Section 438 of Energy Independence and Security Act
Path 2: 98th Percentile 1. Replicate natural site hydrology to manage runoff for the 98th percentile of regional or local rainfall events using LID or GI
Path 3: 85th Percentile
1. Replicate natural site hydrology to manage runoff for the 85th percentile of regional or local rainfall events using LID or GI a. For zero lot line projects only in urban areas with minimum 1.5 FAR Density
Option 2: Natural Land Cover Conditions 1. Manage on site the annual increase in runoff volume from the natural land cover condition to the post developed condition 2. Strategies include: a. GI/ LID i. Green roofs ii. Rain gardens iii. Vegetated swales iv. Dry detention pond v. Wet retention pond b. Reduce impervious surfaces c. Utilize permeable paving for precipitation to seep underground d. Collect rainwater for other purposes
Exemplary Performance Opportunity 1. Manage 100% of rainwater that falls in boundary LEED v4
Sustainable Sites Category
24
Credit 5: Heat Island Reduction Intent: To minimize effects on microclimates and human and wildlife habitats by reducing heat islands Terms to Know: •Urban heat island •SR •Emissitivity •SRI Standards to Know: •LBNL Cooling Roof Material Database
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Option 1: Non-Roof and Roof 1. Meet one of the following options: Area Non-roof Area Vegetated Area High a. Total Site Paving Total Roof Area Measures Reflectance Roof + Roof + > + Area 0.5 0.75 0.75
Path 1: Non-Roof Measures 1. Strategies include: a. Install shading plants b. Install vegetated planters c. Install shade structures covered by energy generation systems d. Provide shade with architectural devices i. Initial SR of 0.33 ii. 3 year aged SR of 0.28 e. Provide shade with vegetated structures f. Use paving materials i. Initial SR of 0.33 ii. 3 year aged SR of 0.28 g. Use an open grid pavement system i. At least 50% unbound
Path 2: High Reflectance Roof 1. Strategies include: a. Low sloped roof (< 2:12) i. Initial SRI of 82 ii. 3 year aged SRI of 64 b. Steep sloped roof (> 2:12) i. Initial SRI of 39 ii. 3 year aged SRI of 32
LEED v4
Sustainable Sites Category
25
Option 1: Non-Roof and Roof (cont.) Path 3: Vegetated Roof 1. Vegetated room must be inspected on a bi-annual basis
Parking Under Cover 1. Place minimum of 75% of parking spaces under cover and meet one of the following: a. Initial SRI of 39 b. 3 year aged SRI of 32 c. Vegetated roof d. Be covered by energy generation system
Exemplary Performance Opportunity 1. Achieve both Option 1 and Option 2 2. Option 2: Locate 100% of parking under cover
LEED v4
Sustainable Sites Category
26
Credit 6: Light Pollution Reduction Intent: To increase night sky access, improve nighttime visibility, and reduce the consequences of development for wildlife and people Terms to Know: •Light pollution •Light trespass •Uplighting •Lighting zones •BUG
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Standards to Know: •IES/IDA MLO Guide
Option 1: Exterior Luminaires 1. Conduct inventory of all exterior luminaires inside project boundary based on: 2. Determine lighting zone as classified by IES/IDA MLO User Guide 3. Internally Illuminated exterior signage a. Do not exceed luminance thresholds i. Daytime hours: 2,000 cd/m2 ii. Nighttime hours: 200 cd/m2 Exceptions include: a. Emergency lighting b. Government mandated roadway lighting c. Theatrical lighting d. National flag lighting
Option 2: BUG Method Path 1: Uplighting 1. Do not exceed percentages of total lumens emitted above the horizontal
Path 2: Light Trespass 1. Do not exceed luminaire uplight ratings per IES TM-15-11, Addendum A
Option 3: Calculation Method Path 1: Uplighting 1. Do not exceed maximum percentage of total lumens
Path 2: Light Trespass 1. Do not exceed vertical illuminances at the lighting boundary a. Calculation point specifics include: i. Points no more than 5 feet apart ii. Extend from grade level to 33 feet above height of highest luminaire LEED v4
Sustainable Sites Category
27
03
Water Efficiency Category “Addresses water holistically, looking at indoor use, outdoor use, specialized uses, and metering, through an “efficiency first” approach to water conservation.”
Water Efficiency Credits: PreReq1: Outdoor Water Use Reduction PreReq 2: Indoor Water Use Reduction PreReq 3: Building Level Water Metering Credit 1: Outdoor Water Use Reduction Credit 2: Indoor Water Use Reduction Credit 3: Cooling Tower Water Use Credit 4: Water Metering
PreReq 1: Outdoor Water Use Reduction Intent: To reduce outdoor water consumption
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Terms to Know: •LWR •Irrigation •Xeriscaping •Native/adapted plants •Drip irrigation Standards to Know: •EPA’s WaterSense Water Budget Tool
Option 1: No Irrigation 1. Show that the landscape does not require a permanent irrigation system a. Allowed temporary system for 2 years to get plants established
Option 2: 30% Irrigation Reduction 1. Reduce landscape water requirements by at least 30% a. Calculate baseline for site’s peak watering month i. Utilize the EPA’s WaterSense Budget tool 2. Reductions must be achieved through: a. Xeriscaping b. Native/adapted plants c. Irrigation design strategies i. Drip irrigation ii. Sensors/timers Exceptions: Non-vegetated surfaces (permeable or impermeable) do not count in calculation Exceptions: Team may decide whether to include or exclude vegetated athletic fields, playgrounds, or food gardens in calculations
LEED v4
Water Efficiency Category
30
PreReq 2: Indoor Water Use Reduction Intent: To reduce indoor water consumption Terms to Know: •WaterSense label •Indoor plumbing fixtures •FTE •GPM •GPF •PSI
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Standards to Know •Energy Policy Act of 1992 (EPAct) •EnergyStar •CEE Tier 3A
Option 1: Baseline Water Consumption for Fixtures and Fittings 1. Reduce water consumption by 20% from the baseline from EPAct of 1992 2. All newly installed eligible plumbing fixtures must be WaterSense labeled
Path 1: Prescriptive Path 1. Meet WaterSense label
Path 2: Usage Based Calculations 1. Determine
calculations meet the following levels per EPAct of 1992 i. Toilet: 1.6 gpf ii. Urinal: 1.0 gpf iii. Public lavatory: 0.5 gpm @ 60 psi iv. Private lavatory: 2.2 gpm @ 60 psi v. Kitchen faucet: 2.2 gpm @ 60 psi vi. Shower head: 2.5 gpm @ 80 psi
Option 2: Appliance and Equipment Water Use 1. Install appliances and equipment to meet energy requirements and standards a. Residential clothes washer: Energy Star b. Commercial clothes washer: CEE Tier 3A c. Residential dishwashers: Energy Star d. Pre-rinse spray valves: < 1.3 gpm e. Ice Machine: Energy Star
Option 3: Process Water Use
LEED v4
1. Install processes to meet the following: a. Heat rejection and cooling: no once through cooling for equipment that rejects heat b. Cooling towers and evaporative condensers, equip with: i. Makeup water meters ii. Conductivity controllers and overflow alarms iii. Efficient drift eliminators Water Efficiency Category
31
PreReq 3: Building Level Water Metering Intent: To support water management and identify opportunities for additional water savings by tracking water consumption Terms to Know: •Metering •MEP designer Standards to Know: •Energy Star’s Portfolio Manager
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Option 1: Permanent Water Meter 1. Install at least 1 permanent water meter to measure total potable water use a. Consult MEP designer for meter location 2. Share data with USGBC for a 5 year period a. Energy Star Portfolio Manager to track information into monthly and annual reports
LEED v4
Water Efficiency Category
32
Credit 1: Outdoor Water Use Reduction Intent: To reduce outdoor water consumption
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Terms to Know: •LWR •Alternative water sources •Rainwater •Graywater •WaterSense Irrigation Controllers
Option 1: No Irrigation -Builds upon PreReq 1: Outdoor Water Use Reduction 1. Show landscape has no permanent irrigation beyond 2 year established period
Option 2: 50% Reduction -Builds upon PreReq 1: Outdoor Water Use Reduction -30% reduction via plant selection and irrigation efficiency 1. Reduce LWR by at least 50% baseline for site’s peak watering month a. Alternative water sources i. Rainwater ii. Graywater b. Smart sensor technology i. WaterSense labeled irrigation controllers Exceptions: Non-vegetated surfaces (permeable or impermeable) do not count in calculation Exceptions: Team may decide whether to include or exclude vegetated athletic fields, playgrounds, or food gardens in calculations
LEED v4
Water Efficiency Category
33
Credit 2: Indoor Water Use Reduction Intent: To reduce indoor water consumption
Rating Systems Included: •New Construction •Data Centers •Warehouses and Distribution Centers
Standards to Know: •IPC
Adaptations Include: •Core and Shell •Schools •Retail •Hospitality •Healthcare
Option 1: Fixture and Fitting Water Use -Builds upon PreReq 2: Indoor Water Use Reduction -20% reduction via efficient fixtures 1. Go beyond 20% reduction through alternative water sources (5% increments) a. Graywater use b. Cooling tower blowdown water c. Harvest rainwater
LEED v4
Water Efficiency Category
34
Credit 3: Cooling Tower Water Use Intent: To conserve water used for cooling tower makeup while controlling microbes, corrosion and scale in the condenser water Terms to Know: •Cooling tower •Cycles of concentration •Evaporation •Drift •Blowdown/bleed-off •Basin leaks •Makeup water •PPM •ms/cm
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Standards to Know: •ASHRAE 189
Option 1: Maximum Concentrations 1. Conduct one time potable water analysis for 5 control parameters: a. Calcium: 1,000 ppm b. Total Alkalinity: 1,000 ppm c. Silicone: 100 ppm d. Chlorine: 250 ppm e. Conductivity: 2,000 ms/cm
Option 2: Cooling Tower Cycles 1. Strategies include using alternative water sources such as: a. Air handler condensate b. Water used once in cooling system c. Pre-treated effluent from other processes d. High quality municipal waste water e. Rainwater f. Ice maker condensate g. Food steamer discharge
Path 1: Maximum Cycles 1. Calculate the number of cooling tower cycles a. Maximum number of cycles achieved without exceeding any filtration levels or affecting operation of condenser water system i. Up to 10 cycles
Path 2: Increase Treatment 1. Achieve minimum of 10 cycles by increasing level of treatment in makeup water
Path 2: Increase Treatment 1. Meet minimum number of cycles using minimum 20% of recycled non-potable water
LEED v4
Water Efficiency Category
35
Credit 4: Water Metering Intent: To support water management and identify opportunities for additional water savings by tracking water consumption
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality Adaptations Include: •Healthcare
Option 1: Submeters -Builds on PreReq 3: Building Level Water Metering -Install 1 main building meter 1. Install permanent water meters for 2 or more of the following water subsystems: a. Irrigation i. Meter water systems serving at least 80% of the irrigated landscape area b. Indoor plumbing fixtures and fittings i. Meter water systems serving at least 80% of the fixtures per PreReq 2 c. Domestic hot water i. Meter water use of 80% of domestic hot water heating capacity -Tanks -On demand heaters d. Boiler i. With aggregated projected annual water use of 100,000 gallons i. Boiler of more than 500,000 BtuH e. Reclaimed water i. Meter reclaimed water, regardless of rate f. Other process water i. Meter at least 80% of expected daily water consumption for processed end use -Humidification systems -Dishwashers -Laundry clothes washers -Pools -Other systems using process water
LEED v4
Water Efficiency Category
36
04
Energy and Atmosphere Category â&#x20AC;&#x153;Approaches energy from a holistic perspective, addressing energy use reduction, energy-efficient design strategies, and renewable energy sources.â&#x20AC;?
Energy and Atmosphere Credits: PreReq1: Fundamental Commissioning and Verification PreReq 2: Minimum Energy Performance PreReq 3: Building Level Energy Meter PreReq 4: Fundamental Refrigerant Management Credit 1: Enhanced Commissioning Credit 2: Optimize Energy Performance Credit 3: Advanced Energy Metering Credit 4: Demand Response Credit 5: Renewable Energy Production Credit 6: Fundamental Refrigerant Management Credit 7: Green Power and Carbon Offsets
PreReq 1: 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 Terms to Know: •OPR •BOD •Cx •CxA
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Standards to Know: •ASHRAE 0-2005 •ASHRAE Guideline 1.1-2007 •NIBS Guideline 3-2012
Option 1: Commissioning Plan 1. Complete Cx activities for mechanical, electrical, plumbing and renewable energy systems and assemblies a. Comply with ASHRAE Guideline 0-2005 and ASHRAE Guideline 1.1-2007 b. Comply with NIBS 3-2012 for Exterior Enclosures 2. Designate a CxA a. Must have experience in 2+ similar projects b. For projects less than 20,000 ft2, CxA may be part of the design/construction team 3. CxA must do the following: a. Review OPR, BOD and project design b. Develop and implement a Cx plan c. Confirm incorporation of Cx requirements into CDs d. Develop construction checklists e. Develop a system test procedure f. Verify system test execution g. Maintain issues and benefits log h. Prepare a final Cx process report
Option 2: Ongoing Operations and Maintenance Plan 1. Prepare and maintain a current facilities requirements and operations and maintenance plan that contains information necessary to operate the building efficiently, including: a. Sequence of operations for building b. Building occupancy schedule c. Equipment run-time schedules d. Set points for all HVAC equipment e. Lighting levels throughout the building f. Minimum outside air requirements g. Any changes in schedules or set points for different reasons h. Systems narrative describing MEP equipment i. Preventative maintenance plan j. Commissioning program LEED v4
Energy and Atmosphere Category
40
PreReq 2: Minimum Energy Performance Intent: To reduce environmental and economic harms of excessive energy use by achieving minimum energy efficiency Standards to Know: •ASHRAE 90.1-2010 •EPA Energy Star Target Finder •ASHRAE 50% Advanced Energy Design Guide •ASHRAE Advanced Buildings Core Performance Guide
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Option 1: Whole Building Energy Simulation 1. Use energy model to target project specifics 2. Achieve baseline improvements from ASHRAE 90.1 a. Calculations based on energy cost b. New buildings: 5% improvement c. Major renovations: 3% improvement d. Core and shell: 2% improvement
Option 2: Prescriptive Path- ASHRAE 50% 1. 2. 3. 4.
Meet ASHRAE 90.1 requirements Meet ASHRAE 50% Advanced Energy Design Guide requirements a. Different guides based on project sector Comply with criteria per climate zone Considerations include: a. Building type b. Square footage c. Climate zone
Option 3: Prescriptive Path- ASHRAE Advanced Buildings Core 1. Meet ASHRAE 90.1 requirements 2. Meet ASHRAE Advanced Buildings Core Performance Guide a. For projects less than 100,000 ft2 3. Achieve Sections 1 and 2 and then 3 strategies from Section 3 from Core Performance Guide 4. Analyze 3 alternative building configurations to maximize energy performance
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Energy and Atmosphere Category
41
PreReq 3: Building Level Energy Meter Intent: To support energy management and identify opportunities for energy savings by tracking usage Standards to Know: •Energy Star Portfolio Manager
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Option 1: Energy Metering 1. Install building level energy meter for total building energy consumption systems, such as: a. Electricity b. Natural gas c. Chilled water d. Propane e. Biomass f. Steam g. Fuel oil 2. Track data at monthly intervals using Energy Star Portfolio Manger 3. Share information with USGBC for 5 year period
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Energy and Atmosphere Category
42
PreReq 4: Fundamental Refrigerant Management Intent: To reduce stratosopheric ozone depletion Terms to Know: •Ozone •Montreal Protocol •ODP •GWP •CFC Standards to Know: •EPA Clean Air Act
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Option 1: Minimize Ozone Impact 1. Do not use CFC-based refrigerants in new projects 2. HVAC installed prior to 1995 must be phased out a. Exception if payback period greater than 10 years b. Reduce leakage rate to 5% 3. Non-base building systems may contain trace amounts of refrigerants a. Up to 0.5 pounds of refrigerant
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Energy and Atmosphere Category
43
Credit 1: Enhanced Commissioning Intent: To further support the design, construction and operation of projects to meet OPR for various systems Terms to Know: •MBCx •BECx Standards to Know: •ASHRAE 0-2005 •ASHRAE Guideline 1.1-2007
Rating Systems Included: •New Construction •Schools •Retail •Warehouses and Distribution Centers •Hospitality Adaptations Include: •Core and Shell •Data Centrs •Healthcare
Option 1: Enhanced Systems Commissioning Path 1: Enhanced One-Stop Commissioning -Builds on PreReq 1: Fundamental Commissioning and Verification 1. Perform Cx activities per ASHRAE 0-2005 and ASHRAE Guideline 1.1-2007 2. CxA perform additional steps for review a. Review of submittals b. Verify training of operations and maintenance team c. Follow up with 10 month post-occupancy visit
Path 2: Enhanced and Monitor Based Commissioning 1. Achieve Path 1 first 2. Perform MBCx 3. Update Cx plan with the following information: a. Roles/responsibilities b. Measurement requirements c. Frequency and duration of tracked points i. Limits of acceptable values d. Elements to evaluate performance e. Action plan f. Training to prevent errors g. Prevenative maintenance
Option 2: Envelope Commissioning 1. Perform BECx for the building envelope 2. May need a secondary CxA with specific building envelope certification
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Energy and Atmosphere Category
44
Credit 2: Optimize Energy Performance Intent: To achieve increasing levels of energy performance Standards to Know: •ASHRAE 90.1-2010 •ASHRAE 50% Advanced Energy Design Guide
Rating Systems Included: •New Construction •Core and Shell •Schools •Warehouses and Distribution Centers •Hospitality •Healthcare Adaptations Include: •Retail •Data Centers
Option 1: Whole Building Energy Simulation -Builds upon PreReq 2: Minimum Energy Performance -Percentage improvements (NC= 5%; MR= 3%; CS= 2%) 1. Analyze energy efficiency using software to focus on load reduction and HVAC related strategies 2. Increase percentage improvements based on ASHRAE 90.1-2010 baseline 3. Strategies include: a. Reduce demand i. Orientation ii. Size of building footprint iii. Tighter envelope iv. Better insulation b. Harvest free energy i. Daylight ii. Solar power iii. Natural ventilation c. Find ways to increase energy efficiency i. HVAC ii. Lighting iii. Water Heating d. Recover waste energy
Option 2: Prescriptive Path- ASHRAE 50% 1. Meet ASHRAE 90.1 requirements 2. Meet ASHRAE 50% Advanced Energy Guide requirements
Exemplary Performance Opportunity 1. Option 1 percentage thresholds as follows: a. New buildings: 50% improvement b. Major renovations: 48% improvement c. Core and shell: 47% improvement LEED v4
Energy and Atmosphere Category
45
Credit 3: Advanced Energy Metering Intent: To support energy management and identify opportunities for energy savings by tracking building and system energy use
Rating Systems Included: •New Construction •Retail •Data Centers •Schools •Warehouses and Distribution Centers •Hospitality •Healthcare Adaptations Include: •Core and Shell
Option 1: Submeters -Builds upon PreReq 3: Building Level Energy Metering -Install 1 building level energy meter 1. Install submeters for advanced energy metering a. For any individual energy end use that represents 10% total energy consumption i. Primary HVAC i. Secondary HVAC iii. Lighting iv. Plug loads v. Elevators 2. Meters achieve the following requirements: a. Gather data hourly b. Store information for 36 months minimum c. Be able to transmit data to a remote, accessible location d. Record both consumption and demand
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Energy and Atmosphere Category
46
Credit 4: Demand Response Intent: To increase participation in demand response technology to make energy generation and distribution systems more efficient, increase grid reliability, and reduce greenhouse gas emissions Terms to Know: •Demand response •Manual DR system •Semi-automated DR system •Fully automated DR system •BAS •Load shedding
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Option 1: Participation 1. Design system to fully participate in DR program based on requests from an external provider 2. Enroll in a 1 year minimum contract a. With intention of multi-year renewal b. Contract to allocate for at lest 10% estimated peak electricity demand 3. Include DR program in Cx plan a. Include 1 full DR test
Option 2: Advocacy 1. 2. 3. 4. 5.
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Design building to be able to participate in future DR program Install recording meters Develop load shedding plan Include DR program in Cx plan Contact utility company to discuss options about enrolling in future DR program
Energy and Atmosphere Category
47
Credit 5: Renewable Energy Production Intent: To reduce environmental and economic harms associated with fossil fuels by increasing self supply or renewables Terms to Know: •Renewable energy •Net metering Standards to Know: •CBECS
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Option 1: Renewable Energy 1. Install renewable energy systems on site 2. Use energy model or CBECS to estimate renewable energy produced on-site a. Renewable energy produced expressed as a percentage of annual energy cost 3. Achieve percentage thresholds of 1%, 5% or 10% using on-site renewable energy
Exemplary Performance Opportunity 1. Option 1: Achieve 15% of renewable energy generated on site
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Energy and Atmosphere Category
48
Credit 6: Enhanced Refrigerant Management Intent: To reduce ozone depletion and support early compliance with Montreal Protocol while minimizing contribution to climate change Terms to Know: •Montreal Protocol •HCFCs •Natural refrigerants
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Option 1: Lowest Impact Builds upon PreReq 4: Fundamental Refrigerant Management -Do not use refrigerants in new projects 1. Do not use refrigerants at all in new construction buildings 2. If project uses refrigerants, select those with low impact a. 0 ODP b. 50 GWP 3. Select fire suppression, direct energy systems, and services with a long life expectancy
Option 2: Calculate Impact 1. Aim
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for ozone impact less than 100 a. Expected equipment life: 10 years b. End of life charge loss: 10% c. Leakage rate: 2% per year
Energy and Atmosphere Category
49
Credit 7: Green Power and Carbon Offsets Intent: To encourage reduction of greenhouse gas emissions through renewable energy technologies and carbon mitigation Terms to Know: •Green Power •RECs •Carbon Offsets •Direct Emissions, Scope 1 •Indirect Emissions, Scope 2
Rating Systems Included: •New Construction •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare Adaptations Include: •Core and Shell
Standards to Know: •Green-E •Green-E Climate •Energy Star Portfolio Manager
Option 1: Green Power 1. Engage in annual contract of financial investment for green power or RECs a. Contract encompasses at least 50% of building’s electricity use b. Contract period of 5 years
Option 2: Carbon Offsets 1. Purchase a minimum of 50% of building’s greenhouse gas emissions through carbon offsets 2. Determine total metric tons of CO2 emissions equivalent building puts out using Energy Star Portfolio Manager
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Energy and Atmosphere Category
50
05
Materials and Resources Category â&#x20AC;&#x153;Focuses on minimizing the embodied energy and other impacts associated with the extraction, processing, transport, maintenance, and disposal of building materials.â&#x20AC;?
Materials and Resources Credits: PreReq1: Storage and Collection of Recyclables PreReq 2: C&D Waste Management Plan Credit 1: Building Life Cycle Impact Reduction Credit 2: BPDO: EPDs Credit 3: BPDO: Sourcing Raw Materials Credit 4: BPDO: Material Ingredients Credit 5: C&D Waste Management Plan
PreReq 1: Storage and Collection of Recyclables Intent: To reduce waste generated by building occupants and hauled to and disposed of in landfills Terms to Know: •Ongoing consumables
Rating Systems Included: •New Construction •Core and Shell •Schools •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare Adaptations Include: •Retail
Option 1: Recycling Infrastructure 1. Provide an appropriately sized area to serve building occupants for recycling and collection of ongoing consumables 2. Distribute recycling bins throughout the project for occupant convenience 3. Place signage near bins to encourage usage and alleviate any confusion 4. Safely collect, store, and dispose of 2 hazardous waste materials: a. Batteries b. Mercury-containing lamps c. Electronic waste
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Materials and Resources Category
54
PreReq 2: C&D Waste Management Plan Intent: To reduce construction and demolition waste disposed of in landfills and incineration facilities by recovering, reusing and recycling materials Terms to Know: •Waste management •Construction waste management specification •On-site separation •Commingled separation
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Option 1: Recycling Infrastructure 1. 2. 3. 4.
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Create waste management plan a. Establish goals to divert at least 5 materials b. Approximate percentage of overall project waste that these 5 streams represent Create construction waste management specification to establish benchmark goals Identify materials for salvage and reuse Provide final report detailing all major waste streams a. Differentiate between disposal and diversion rates
Materials and Resources Category
55
Credit 1: Building Life Cycle Impact Reduction Intent: To encourage adaptive reuse and optimize environmental performance of products and materials Terms to Know: •Preservation •Restoration •Rehabilitation •Reconstruction •Abandoned property •Blighted property •LCA •5 phases of lifecycle (cradle to grave)
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Standards to Know: •Secretary of Interior’s Treatment of Historic Properties •ISO 14044
Option 1: Historic Building Reuse 1. Maintain existing building structure, envelope and non-structural interior elements 2. Meet requirements for reuse based on the Secretary of Interior’s Treatment of Historic Properties Standards 3. Historic district must be listed on a register, whether it be local or national 4. Work with a local member of the historic society to maintain vernacular of the neighborhood
Option 2: Abandoned or Blighted Building 1. Maintain at least 50% by surface area of an abandoned or blighted property a. May exclude up to 25% surface area that has deteriorated due to damage 2. Restore project to state of productive occupancy
Option 3: Building and Material Reuse 1. Reuse a minimum 25% of completed surface area per square foot 2. Reuse may include a whole building retrofit with the following activities: a. Upgrade building envelope b. Improve HVAC c. Retrofit for natural ventilation d. Replace old fixtures and fittings for efficient water consumption e. Install green roof f. Convert interior layout for new activities
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Materials and Resources Category
56
Option 4: Whole Building Life Cycle Assessment 1. Create a base building to compare project against using Tally or BIM software a. Base building and project should have certain similarities to help with comparison: i. Size ii. Function iii. Orientation iv. Location v. Operating energy performance per ASHRAE 90.1 2. Conduct LCA per ISO 14044 3. Demonstrate 10% reduction in 3 impact categories a. Demonstrate 10% reduction in global warming potential impact category b. Demonstrate 10% reduction in 2 other impact categories c. No more than 5% increase in the remaining impact categories
Exemplary Performance Opportunity 1. Option 3: Reuse 95% of the building materials 2. Option 4: Demonstrate 10% reduction in 6 of impact categories
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Materials and Resources Category
57
Credit 2: BPDO: EPDs Intent: To encourage adaptive reuse and optimize environmental performance of products and materials Terms to Know: •EPD •LCA Disclosure •Industry EPD •Third Party Verified •PCR
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Standards to Know: •ISO 14044 •ISO 14025 •ISO 14040 •ISO 14044 •ISO 21930
Option 1: EPD 1. Select products from manufacturers using an EPD a. Use at least 20 different permanently installed products b. Sourced from 5 different manufacturers 2. Earn 20 products based on type of EPD a. LCA Disclosure i. Earn 1/4 product ii. Must conform to ISO 14044 b. Industry EPD i. Earn 1/4 product ii. Must conform to ISO 14025; 14040; 14044; 21930 c. Third party verified EPD i. Earn 1 product
Option 2: Multi-Attribute Optimization 1. Use 50% by cost of products with reduced life cycle impacts based on impact categories
Exemplary Performance Opportunity 1. Option 1: Use 40 different permanently installed products 2. Option 2: Use 75% by cost of products 3. Local materials sourced within 100 miles achieve 200% by cost calculations
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Materials and Resources Category
58
Credit 3: BPDO: Sourcing Raw Materials Intent: To encourage use of products and materials for which life cycle information is available and are sourced responsibly Terms to Know: •EPR •Certified Wood •CoC •Biobased materials •Recycled content
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Standards to Know: •GRI •OECD •FSC •Rainforest Alliances Sustainable Agriculture Network
Option 1: Raw Materials and Extraction Reporting 1. Select products from manufacturers who release raw material reports a. Use at least 20 different permanently installed products b. Sourced from 5 different manufacturers 2. Manufacturers may release raw material reports through the following frameworks: a. GRI b. OECD Guidelines for Multinational Enterprises c. UN Global Compact Communications of Progress d. ISO 2600-2010 Guidance on Social Responsibility
Option 2: Leadership Extraction Practices 1. Select products showing leadership in extraction to minimize environmental impacts a. At least 25% of total products by cost 2. Earn 25% of total products by cost based on strategy a. EPR i. Valued at 50% cost b. Certified wood i. Valued at 100% cost c. Biobased materials i. Valued at 100% cost d. Recycled content= post consumer + (1/2)* pre-consumer i. Valued at 100% cost e. Material reuse i. Valued at 100% cost
Exemplary Performance Opportunity 1. Option 1: Use 40 different permanently installed products 2. Option 2: Select 50% of total products by cost that show leadership in extraction
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Materials and Resources Category
59
Credit 4: BPDO: Material Ingredients Intent: To support manufacturers who disclose declare all ingredients that represent more than 0.1% by weight in products Terms to Know: •HPD •CASRN Standards to Know: •GreenScreen •Cradle to Cradle •REACH
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Option 1: Material Ingredients Reporting 1. Select products from manufacturers who lease third party chemical inventory a. Use at least 20 different permanently installed products 2. Manufacturers may release chemical inventory through the following frameworks: a. Cradle to Cradle v2 Basic b. Cradle to Cradle v3 Bronze c. HPD i. Ingredients down to 0.1% (100ppm) per GreenScreen d. Manufacturer’s Inventory i. Use CASRN to disclosure materials per Green Screen
Option 2: Material Ingredient Optimization 1. Select products from pre-approved programs a. At least 25% of total products by cost 2. Earn 25% of total products by costfrom teh following frameworks: a. GreenScreen v1.2 Benchmark b. Cradle to Cradle v2 Gold c. Cradle to Cradle v2 Platinum d. REACH (International projects)
Option 3: Product Manufacturer Supply Chain 1. Select products that are sourced from manufacturers that are validated for their risk, hazards, etc. a. At least 25% of total products by cost 2. 99% by weight materials are 3rd party verified
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Materials and Resources Category
60
Credit 5: C&D Waste Management Plan Intent: To reduce construction and demolition waste disposed of in landfills and incineration facilities by recovering, reusing, and recycling Terms to Know: •Material streams •Solid waste management hierarchy •Source reduction •Waste to energy
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Option 1: Diversion Percentage -Builds on PreReq 2: C&D Waste Management Plan -Create plan of action regarding waste management, not required to implement
Path 1: 50% Diversion 1. Divert 50% of waste from at least 3 materials streams
Path 2: 75% Diversion 1. Divert 75% of waste from at least 4 materials streams
Option 2: 2.5 Pounds 1. Do not generate more than 2.5 pounds per square foot of construction waste a. Do not require diversion process 2. The following are excluded from calculations: a. Excavated soils b. Land clearing debris c. Alternative daily cover
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Materials and Resources Category
61
06
Indoor Environmental Quality Category â&#x20AC;&#x153;Rewards decisions made by project teams about indoor air quality and thermal, visual, and acoustic comfort.â&#x20AC;?
Indoor Environmental Quality Credits: PreReq 1: Minimum IAQ Performance PreReq 2: ETS Control Credit 1: Enhanced IAQ Strategies Credit 2: Low Emitting Materials Credit 3: Construction IAQ Management Credit 4: IAQ Assessment Credit 5: Thermal Comfort Credit 6: Interior Lighting Credit 7: Daylighting Credit 8: Quality Views Credit 9: Acoustic Performance
PreReq 1: Minimum IAQ Performance Intent: To contribute to comfort and wellbeing of occupants by establishing a minimum standard of IAQ
Rating Systems Included:
Terms to Know: •IAQ •Active ventilation •Mechanical ventilation
•New Construction •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality
Standards to Know: •ASHRAE 62.1 •CIBSE AM10
Adaptations Include: •Core and Shell •Healthcare
Option 1: Mechanially Ventilated Spaces 1. Use ASHRAE 62.1 for minimum ventilation rates 2. Monitor airflow to ensure system takes in appropriate volumes of fresh air mixed with recirculated air a. Accuracy of +/- 10% b. Sounding alarm if system varies by 15% or more from setpoint 3. Install tranducer or supply fan a. Balance flow rates through constant volume systems
Option 2: Naturally Ventilated Spaces 1. Use CIBSE AM10 for minimum ventilation rates 2. Comply with one of the following strategies: a. Provide direct exhaust air flow device capable of measuring exhaust air flow i. Accuracy of +/- 10% ii. Sounding alarm if system varies by 15% or more from set point b. Provide automatic indication devices for openings i. Alarms indicate if opening is closed during normal operating hours c. Monitor CO2 concentrations in each thermal zone i. Place monitors 3’-6’ AFF in breathing zone ii. Alert BAS if concentrations exceed set point by 10%
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Indoor Environmental Quality Category
64
PreReq 2: ETS Control Intent: To prevent and minimize exposure of occupants, indoor surfaces, and ventilation distribution systems to ETS Terms to Know: •ETS Standards to Know: •RESNET •Energy Star Multifamily Testing Protocols •ASTM E779-03 •ASTM E1827-11
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality •Healthcare
Option 1: Commercial Projects 1. Prohibit smoking inside the building 2. Designate smoking areas a. Areas should be 25’ away from all entries, air intakes, and operable windows 3. Place signage of “no smoking” policy within 10’ of all entrances
Option 2: Residential Projects Path 1: No Smoking Policy 1. Adhere to Option 1 requirements and prohibit smoking inside building
Path 2: Compartmentalize Smoking Units 1. Separately ventilate and exhaust ETS rooms 2. Perform blower door test to ensure spaces will not exfiltrate smoky air a. Blower door test in compliance with one of the following standards: i. RESNET ii. Energy Star Multifamily Testing Protocols iii. ASTM E779-93 iv. ASTM E1827-011 3. Strategies include: a. Installation of ‘to deck’ partitions b. Create negative pressure differential c. Weather strip all exterior doors and operable windows d. Seal penetrations i. Maximum leakage of 0.23 cfm/sf @ 50 Pa
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Indoor Environmental Quality Category
65
Credit 1: Enhanced IAQ Strategies Intent: To promote occupants’ comfort, wellbeing, and productivity through IAQ Terms to Know: •Entryway systems •Interior cross contamination prevention •Filtration •Exterior contamination prevention •CFD •Densely occupied spaces Standards to Know: •ASHRAE 52.2 •CIBSE AM10 •NAAQS •ASTM E1827-11
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Hospitality Adaptations Include: •Warehouse and Distribution Centers •Healthcare
Option 1: Enhanced IAQ Strategies -Builds on PreReq 1: Minimum IAQ Performance -Meet ASHRAE 62.1 and CIBSE AM10
Path 1: Mechanically Ventilated Spaces 1. Achieve one of the following strategies for mechanically ventilated spaces: a. Entryway systems i. Install permanent entryway system 10’ long in primary direction of travel b. Interior cross contamination prevention i. Exhaust spaces with hazardous gases or chemicals at 0.5 cfm/sf c. Filtration i. Replace all filters after substantial completion with MERV 13 filters ii. Comply with ASHRAE 52.2
Path 2: Naturally Ventilated Spaces 1. Achieve one of the following strategies for naturally ventilated spaces: a. Entryway systems i. Install permanent entryway system 10’ long in primary direction of travel b. Natural ventilation design calculations i. Comply with CIBSE AM10
Path 3: Mixed Mode Ventilation 1. Achieve one of the following strategies for mixed-mode ventilated spaces: a. Strategies from Path 1 or 2 b. Mixed mode design calculations i. Comply with CIBSE Manual 13
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Indoor Environmental Quality Category
66
Option 2: Additional Enhanced IAQ Strategies -Builds on PreReq 1: Minimum IAQ Performance -Meet ASHRAE 62.1 and CIBSE AM10
Path 1: Mechanically Ventilated Spaces 1. Achieve one of the following strategies for mechanically ventilated spaces: a. Exterior contamination prevention i. Design outdoor air intakes to minimize pollutants from entering per NAAQS b. CO2 monitoring i. Install CO2 sensors in densely occupied spaces ii. Sounding alarm if system is 10% below threshold set point c. Additional source control d. Increase ventilation i. Increase by 30% from ASHRAE 62.1
Path 2: Naturally Ventilated Spaces 1. Achieve one of the following strategies for naturally ventilated spaces: a. Exterior contamination prevention i. Design outdoor air intakes to minimize pollutants from entering per NAAQS b. CO2 monitoring i. Install CO2 sensors in densely occupied spaces ii. Sounding alarm if system is 10% below threshold set point c. Additional source control d. Natural ventilation calculations i. Predict room by room air flow is sufficient to meet CIBSE AM10
Path 3: Mixed Mode Ventilation 1. Achieve one of the following strategies for mixed-mode ventilated spaces: a. Strategies from Path 1 or 2 b. Mixed mode design calculations i. Comply with CIBSE Manual 13
Exemplary Performance Opportunity 1. Achieve both Options 1 and 2 2. Option 2: Achieve 2 strategies
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Indoor Environmental Quality Category
67
Credit 2: Low Emitting Materials Intent: To reduce concentrations of chemical contaminants that damage air quality Terms to Know: •VOC Standards to Know: •ISO 1025 •CARB •SCAQMD •GreenSeal •Green Label (+) •GreenGuard
Rating Systems Included: •New Construction •Core and Shell •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality Adaptations Include: •Schools •Healthcare
Option 1: Product Category Calculations 1. Select materials meet the following thresholds for VOC content and emissions: Category
VOC Threshold
Emissions
Interior paints and coatings
100%
90% by volume
Interior adhesives and sealants
100%
90% by volume
Flooring
100%
100% by volume
Composite Wood
100%
100% by volume
Ceilings, walls, insulation
100%
100% by volume
Furniture
90% by cost
90% by cost
Option 2: Naturally Ventilated Spaces 1. At least 50% of assemblies comply with 3rd party certifications a. Flooring b. Ceiling c. Walls d. Thermal and acoustic insulation e. Furniture 2. Examples of 3rd party certifications include: a. SCAQMD 1113: paints and coatings b. SCAQMD 1168: adhesives and sealants c. Greenseal: paint d. Green Label (+) : carpet (cushion) e. GreenGuard: furniture
Exemplary Performance Opportunity LEED v4
1. Option 2: 100% of products comply Indoor Environmental Quality Category
68
Credit 3: Construction IAQ Management Intent: To promote wellbeing of construction workers and minimize IAQ problem specifically associated with construction Terms to Know: •HVAC protection •Source control •Pathway interruption •Housekeeping •Scheduling
Rating Systems Included: •New Construction •Core and Shell •Retail •Data Centers •Warehouses and Distribution Centers •Hospitality Adaptations Include: •Schools •Healthcare
Standards to Know: •SCMACNA •ASHRAE 52.2
Option 1: Construction IAQ Plan 1. 2. 3. 4.
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Comply with the 5 areas of SMACNA Protect absorptive materials from moisture Replace MERV 8 filters with MERV 13 after substantial completion a. Comply with ASHRAE 52.2 b. FIltration media with minimum dust spot efficiency of at least 30% c. Filtration media with greater than 90% resistance on particle sizes 3-10mg Prohibit smoking within 25’ of building entrances
Indoor Environmental Quality Category
69
Credit 4: IAQ Assessment Intent: To establish better IAQ after substantial completion to verify the air is clean Terms to Know: •Flush out Standards to Know: •ASTM D5197 •EPA Compendium Method IP-10 •ASTM D1549-02 •CDPH Standard Method •EPA Compendium IP-3
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouse and Distribution Centers •Hospitality Adaptations Include: •Healthcare
Option 1: Flush Out Path 1: One-Time Flush Out 1. Introduce 14,000 ft3 per sf of 100% outdoor air in single occasion
Path 2: Phased Flush Out 1. Introduce total 14,000 ft3 per sf of outdoor air broken into two occasions a. Starting 3 hours before occupancy, introduce 3,500 ft3 per sf i. Introduce air at a rate of 0.3 cfm/sf b. During occupancy, continue to introduce remaining 10,500 ft3 per sf to achieve total outdoor air required
Option 2: Air Testing 1. Have an IAQ tester conducts field test during occupied hours 2. Conduct at least 1 test per floor i. Include at least 1 location per ventilation systems of each occupied space type 3. If the test fails to achieve acceptable results, team must conduct flush out 4. Acceptable results and thresholds are as follows for the contaminants: a. Formaldehyde: 27 ppb i. Comply with ASTM D5197 b. PM10: 50 mg/m3 i. Comply with EPA Compendium Method IP-10 c. PM2.5: 15 mg/m3 i. Comply with EPA Compendium Method IP-10 d. Ozone: 0.075 ppm i. Comply with ASTM D1549-02 e. TVOC: 500 mg/m3 i. Comply with EPA Compendium Method IP-10 f. CDPH Standard Method g. CO: 9 ppm i. No more than 2ppm above outdoor level i. Comply with EPA Compendium IP-3 LEED v4
Indoor Environmental Quality Category
70
Credit 5: Thermal Comfort Intent: To promote occupants’ comfort using controls to manage thermal comfort Terms to Know: •Thermal comfort Standards to Know: •ASHRAE 55 •ISO 7730: Ergonomics of Thermal Environments
Rating Systems Included: •New Construction •Core and Shell •Schools •Hospitality Adaptations Include: •Data centers •Warehouse and Distribution Centers •Natatoriums •Retail •Healthcare
Option 1: ASHRAE 55 1. Design HVAC system to meet ASHRAE 55
Option 2: ISO 7730 1. Design HVAC system to meet ISO 7730: Ergonomics of Thermal Environments
Option 3: Thermal Controls 1. Provide controls that serve at least 50% of the occupants 2. Controls provide occupants ability to adjust 1 thermal comfort factor 3. Examples of controls include: a. Operable windows b. UFAD c. Thermostat d. Radiant panels e. Natural ventilation f. Ceiling fans G. Plug-in humidifiers
LEED v4
Indoor Environmental Quality Category
71
Credit 6: Interior Lighting Intent: To promote occupant comfort through high quality lighting Terms to Know: •CRI
Rating Systems Included: •New Construction •Core and Shell •Schools •Data centers •Warehouse and Distribution Centers Adaptations Include: •Hospitality •Retail •Healthcare
Option 1: Lighting Controls 1. Provide 90% of occupants with task lighting a. Task lighting should have individual controls of 3 tiers i. On ii. Off iii. Mid-level: 30-70% of maximum illumination
Option 2: Light Quality 1. Provide high quality lighting for occupants by meeting 4 of the following: a. Luminance less than 2,500 cd/m2 at 45 or 90degrees above the nadir b. CRI of 80+ c. 75% connected light load of 24,000 hour lamp life d. Direct only overhead lighting for 25% or less e. 90% of the space meets the following reflectance levels: i. Ceilings: 85% ii. Walls: 60% iii. Floors: 25% f. Furniture meets the following reflectance levels: i. Work surfaces: 45% ii. Movable partitions: 50%
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Indoor Environmental Quality Category
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Credit 7: Daylighting Intent: To connect occupants with the outdoors, reinforce circadian rhythms, and reduce the need for electric lighting Terms to Know: •sDA •ASE
Rating Systems Included: •New Construction •Schools •Retail •Data Centers •Warehouse and Distribution Centers •Hospitality •Healthcare Adaptations Include: •Core and Shell
Option 1: Simulation Path 1: sDA 1. Achieve sDA 300/50% for any of the following thresholds: a. 55% of area b. 75% of area c. 90% of area
Path 2: ASE 1. Achieve ASE1000/250 for maximum 10% of floor area a. Measure 2’x2’ squares grid at workplane 30” AFF
Option 2: Illuminance Calculations 1. Use computer modeling to demonstrate illuminance levels a. Illuminance levels between 300-3,000 lux i. Measured as 9am-3pm on a clear day b. For 75% of workplane b. For 90% of workplane
Option 3: Measurement 1. Take 2 physical measurements 4 months apart 2. Measure indoor light for minimum daylight illumination levels in applicable spaces a. Illuminance levels between 300-3,000 lux b. For spaces less than 150 ft2, measurement in 10’ grid c. For spaces greater than 150ft2, measurement in 3’ grid 3. For 75% of area 4. For 90% of area
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Indoor Environmental Quality Category
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Credit 8: Quality Views Intent: To give people a direct connection to nature Standards to Know: •Windows and Offices Standard
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Hospitality Adaptations Include: •Warehouse and Distribution Centers •Healthcare
Option 1: Views 1. Provide 75% of floor area views that meet 2 of the following: a. Multiple lines of sight to vision glazing in different directions i. At least 90 degrees apart b. Views include at least 2 of the following: i. Flora, fauna, or the sky ii. Movement iii. Objects 25’ from exterior glazing c. Unobstructed views located 3x the head height of glazing distance away d. Views with a view factor of 3 per Windows and Offices Standard
Exemplary Performance Opportunity 1. Option 1: Provide 90% of floor area views
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Credit 9: Acoustic Performance Intent: To provide guidelines to improve acoustics Terms to Know: •STC Standards to Know: •ASHRAE Handbook
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouse and Distribution Centers •Hospitality Adaptations Include: •Healthcare
Option 1: Performance Areas Path 1: HVAC Background Noise 1. Have HVAC noise meet 2011 ASHRAE Application ASHRAE Handbook Chapter 48 2. Highlight sound transmission paths and identify adjacencies
Path 2: Sound Isolation 1. Calculate STC ratings
Path 3: Sound Reinforcement and Masking 1. Evaluate whether sound reinforcement and AV playback capabilities are needed for spaces with 50+ occupants 2. Ensure exterior windows achieve a rating of 35 STC 3. Design masking system levels to not exceed 48 dBA i. Ensure loud speaker coverage has a uniformity of +/- 2 dBA
Path 4: Reverberation Times 1. Ensure reverberation times are based on room type and acoustic needs
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Indoor Environmental Quality Category
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07
Innovation Category â&#x20AC;&#x153;Recognize projects for innovative building features and sustainable building practices and strategies.â&#x20AC;?
Innovation Category: Credit 1: Innovation Credit 2: LEED AP
Credit 1: Innovation Intent: To encourage projects to achieve exceptional or innovative performance Terms to Know: •Innovation •Pilot Credit
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouse and Distribution Centers •Hospitality •Healthcare
Option 1: Innovation 1. Demonstrate creative thinking through innovative strategies 2. Innovative, new strategies must meet the following criteria: a. Demonstrate quantifiable, environmental performance b. Be applied comprehensively across projects where applicable c. Be the superior design standard choice that is also transferable to other projects 3. Examples of innovation points include: a. Education tours b. Earning points from other rating systems
Option 2: Pilot Credits 1. Achieve pilot credit from USGBC’s Pilot Credit Library based on rating system adaptation
Option 3: Additional Strategies 1. Achieve a combination of strategies from Options 1 and 2 a. Innovation: achieve maximum of 1 point b. Pilot credits: achieve maximum of 1 point c. Exemplary performance credits: achieve maximum of 2 points i. Meet thresholds of exemplary performance for noted credits
LEED v4
Innovation “Bonus” Category
78
Credit 2: LEED AP Intent: To encourage teams to be integrated as to streamline the application and certification process Terms to Know: •LEED AP •Principal participant
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouse and Distribution Centers •Hospitality •Healthcare
Option 1: LEED AP Team Member 1. Have at least 1 LEED AP on the team a. LEED AP team member must be a principal participant b. LEED AP team member must have the appropriate LEED AP specialty
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Innovation “Bonus” Category
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08
Regional Priority Category â&#x20AC;&#x153;Encourage project teams to focus on their local environmental priorities.â&#x20AC;?
Regional Priority Category: Credits 1-6: Regional Priority
Credits 1-6: Regional Priority Intent: To provide an incentive for the achievement of credits that address geographically specific environmental, social equity, and public health priority
Rating Systems Included: •New Construction •Core and Shell •Schools •Retail •Data Centers •Warehouse and Distribution Centers •Hospitality •Healthcare
Option 1: Regional Priority Credit 1. Earn up to 4 of the 6 Regional Priority credits as identified by USGBC a. Credits based on project’s location b. Credits specific to rating system type and adaptation
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Glossary of Terms
Terms to Know: 5 Types of Diverse Uses Food retail; community serving retail; services; civic and community; community anchor points 5 Phases of Lifecycle Extraction; manufacturing; construction; use; end of life Abandoned Property If the rights have been surrendered, relinquished or ceded voluntarily with no intention of the owner to reclaim it ACEE American Council for an Energy Efficient Economy Active Ventilation Depends on natural breezes to exhaust air AIA’s IPD Guide Integrated Project Delivery Guide; contractual agreement with owner, designer, and contractor where all parties share benefits and risks of a development project Alternative Water Non-potable water from other than public utilities, on-site surface sources, and subsurface natural Sources freshwater sources ASE Annual Sunlight Exposure; maximum levels of sunlight in a space ASHRAE 0-2005 Concerned with mechanical ventilation commissioning ASHRAE 189 Concerned with cooling towers ASHRAE Energy Design Provides recommendations for achieving energy savings ASHRAE 52.2 Concerned with filtration rates ASHRAE 55 Concerned with thermal comfort ASHRAE 62.1 Concerned with ventilation rates ASHRAE 90.1-2010 Benchmark for energy codes ASHRAE Buildings Core Cumulation of ASHRAE publications in regards to high performance energy building ASHRAE 1.1-2007 Concerned with mechanical ventilation commissioning ASHRAE Handbook Series of 4 volumes focusing on HVAC systems and Equipment ASTM D1549-02 Concerned with testing for zinc compounds ASTM D5197 Concerned with formaldehyde compounds ASTM E1827-11 Blower Test for building airtightness ASTM E779-03 Air Leakage Rate test BAS System Building Automation System; DR tool that allows building managers to program equipment and appliances to automatically power down in response to peak load event Basin Leaks Improper equipment may lead or overflow BECx Building envelope commissioning; tests and verifies thermal envelope to achieve better building performance Bicycle Network Continuous network of 25mph streets; 5’ bike lanes on streets, or 5’-8’ bike trails Biobased Materials Materials made from biodegradable substances
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Blighted Property Neglected, rundown or deteriorated, sufficient to constitute a threat to human health, safety, and public welfare Blowdown/Bleed Off Cooling towers eliminate water daily in a process BOD Basis of Design; information necessary to accomplish OPR including system descriptions, IEQ criteria, design assumptions, and references to applicable codes, standards, and regulations Brownfield Complicated by (possible) presence of contaminants BUG Backlight, uplight, glare Carbon Offsets Reduction in emissions of Co2 made to compensate for emission made elsewhere CASRN Chemical Abstract Service Registry Number CBECS Commercial Building Energy Consumption Survey CDPH Standard Method California Department of Public Health general emissions evaluation CEE Tier 3A Consortium for Energy Efficiency; energy efficiency standards for residential Certified Wood Certified by FSC or USGBC approved equivalent CFCs Chlorofluorocarbon; fluid, containing hydrocarbons, that absorbs heat from a reservoir at low temperatures and rejects heat at higher temperatures CFD Computational Fluid Dynamics; analysis to provide evaluation of how air flows through a system and associated energy transfer CFR Code of Federal Regulations mandates prime farmland CGP Construction General Permit Charrette Intensive, multi-party workshop that brings interdisciplinary team together to explore, generate, and collaboratively produce design options for a project CIBSE AM10 Chartered Institution of Building Service Engineers Climate Solar exposure, heat island effect potential, seasonal sun angles, prevailing winds, monthly precipitation and temperature ranges CoC Chain of Custody Combination Density Square footage per acre Commingled Separation Single stream recycling Construction Waste Written with legally enforceable language to ensure waste reduction happens successfully Specification Cooling Tower Circulates water to cool interiors by dissipating heat into atmosphere through evaporative process Cradle to Cradle Requires ingredients be disclosed to an independent, accredited C2C assessor CRI Color Rendering Index; comparison color appearance under a light source measured from 1 to 100 Cx Commissioning; verify and document energy related building systems are planned, designed, installed, operated and maintained to meet OPR CxA Commissioning agent; must have 2 similar project type experiences
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Cycles of Concentration Number of times volume of water circulates through system before dissolving minerals solidify and lead to an issue (corrosion, scaling, etc.) DDA Difficult Development Area Demand Response Voluntary participation to reduce energy during peak demand Densely Occupied 25 people or more per 1,000 ft2 or 40 ft2 or less per person Density Development Measure of the total building floor area or dwelling units on a parcel of land relative to the buildable land of that parcel Density Radius Distance to access surrounding density landmarks Direct Emissions, Sc. 1 Emissions from fuel that burn directly at building Drift Small quantity of water may be carried from tower as mist or small droplets Drip Irrigation Low pressure, low volume method of watering landscaping Emissitivity Measure of object’s ability to emit infrared energy EPAct of 1992 Concerned with energy consumption of projects Energy Star Procedure for Energy Star specifically for multi-family buildings MultiFamily Testing Energy Star’s Portfolio Tool to measure and track energy and water consumption across multiple projects Energy Star Concerned with energy efficiency of projects and products Entryway Systems Grills,grates and slotted systems that can be cleaned underneath EPA Clean Air Act US federal law to control air pollution on a national level EPA Compendium IP-3 Concerned with Carbon Monoxide and Carbon Dioxide air pollutants EPA Compendium Concerned with volatile organic compounds Method IP-10 EPA Technical Guidance Framework to maintain site hydrology on Implementing Stormwater Runoff for Federal Projects Assess energy performance of commercial projects EPA’s Target Finder EPA’s WaterSense Water Concerned with overall water usage of project Budget Tool EPD Environmental Product Declaration; standardized way of communicating environmental impact of product/system in terms of raw materiality EPR Extended Producer Responsibility; take back programs or closed loop recycling ESC Plan Erosion, sedimentation and control plan regulated by CGP and NPDES ETS Environmental Tobacco Smoke Evaporation Primary function of tower in method that transfers heat from cooling tower system to the environment EVSE Electric vehicle supply equipment
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Exterior Contamination Design outdoor air intakes to minimize pollutants coming in Prevention FEMA Federal Emergency Management Agency Filtration MERV 13 filtration required for HVAC systems that supply outdoor air to occupied spaces Floodplains 1%+ chance of flooding per year according to FEMA (Federal Emergency Management Agency) Flush Out Uses fresh outside air and pushes it through building while maintaining temperature and humidity FSC Forest Stewardship Council FTE Full time equivalent Fully Automated DR Receipt of an external price, reliability or event signal automatically triggers BAS control sequence GI Green infrastructure GPF Gallons per flush GPM Gallons per minute Graywater Untreated household waste water which has not come into contact with toilet waste Green Label Carpet product certification program Green Power Subset of renewable energy composed of grid based electricity produced Green Vehicles 45+ Score on ACEEE Green-E Certification program for clean energy Green-E Climate Certification program for clean energy and RECs Greenfield Area not disturbed that (could) support open space, habitat or natural hydrology GreenGuard Product emissions certification labeling program GreenScreen Hazard assessment method evaluates individual chemicals GreenSeal Sustainable product certification program GRI Global Reporting Initiative; framework for reporting corporate social responsibility information GWP Global warming potential Habitats Threatened or endangered species home per US Fish and Wildlifeâ&#x20AC;&#x2122;s Nature Serve Heritage Program and Endangered Species Act HCFCs Hydroclorofluorocarbons High Priority Site Site that is challenging to redevelop but in need of growth and utilization Historic District Architecturally, culturally or historically significant Housekeeping Clean job site on daily basis HPD Health Product Declaration; open standard for reporting product ingredients and associated health hazards Human Health Effects Proximity of vulnerable populations, adjacent physical activity opportunities, proximity to major sources of air pollution 88
Human Use Views, adjacent transportation infrastructure, adjacent properties, construction materials with existing recycle or reuse potential HVAC Protection Seal ductwork Hydrology Flood hazard areas, delineated wetlands, lakes, streams, shorelines, rainwater collection and reuse opportunities IAQ Indoor Air Quality IES/IDA MLO Guide Illuminating Engineer Society for International Dark Sky Model Lighting Ordinance Impervious Surface Perviousness less than 50% Indirect Emissions, Sc 2 Associated with energy purchased from a utility Indoor Plumbing Fixtures include toilet; urinal; faucets; shower heads Fixtures Industry EPD Generic to product category Infill Location At least 75% of area within ½ mile previously developed Innovation Used to describe new and unique ways of exceeding green buildings or operating goals in a significant, and most importantly, measurable way not covered under LEED Integrative Design Iterative, collaborative approach that involves projectâ&#x20AC;&#x2122;s stakeholders in a process from visioning Process through completion of construction and throughout building operation Integrative Project Variety of members with varying responsibilities appropriate to specific project type Team Sufficiently exhaust each space with hazardous gases or chemicals IPC International Plumbing Code Irrigation Provides water to plants by non-natural means; commonly uses pressure to deliver water and distributes it through sprinkler heads above the ground. ISA International Society of Arboriculture ISO 1025 Concerned with woven textiles ISO 14025 Concerned with environmental labels and declarations ISO 14044 Concerned with environmental management and LCA ISO 21930 Concerned with sustainability in buildings and civil engineering works ISO 7730 Concerned with ergonomic comfort as it relates to thermal comfort ITE Institute of Transportation Engineers (Transportation Planning Handbook) Land Trust Alliance Private, nonprofit organization that, as all or part of its mission, actively works to conserve land by undertaking or assisting in conservation easement or land acquisition, or by its stewardship of such land or easements LBNL Cooling Roof Coolness of roofing materials database for highly reflective and emissive materials Material Database LCA Life Cycle Assessment; measures product or building environmental impacts throughout lifecycle LCA Disclosure Life Cycle Assessment disclosure of full performance data LEED AP Person who has demonstrated knowledge regarding the LEED rating system
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LEV Low emission vehicle LID Low impact development Light Pollution Misuse or misdirection of unwanted, excessive light Light Trespass Light extending beyond the lighting boundary Lighting Zones Zones based on ambient lighting levels ranging from LZ0 to LZ1 Load Shedding Intentional action by a utility to reduce the load on the system LWR Landscape water requirement based on siteâ&#x20AC;&#x2122;s peak watering month Make-up Water Evaporation + blowdown + drift Manual DR System People manually turn off equipment when asked Material Streams Flow of material coming from a job site into markets for building materials MBCx Monitoring based commissioning; ongoing performance analysis Mechanical Ventilation Depends on mechanical fans that can be installed directly in windows or walls or duct to supply air or exhaust air from a room MEP Designer Mechanical/ Electrical/Plumbing specialist Metering Effective management of building systemâ&#x20AC;&#x2122;s including comfort, energy and water consumption, cost burdens and investment decisions Montreal Protocol Treaty phased on production and consumption of substances that deplete ozone layer Ms/Cm Micro siemens per centimeter NAAQS National Ambient Air Quality Standards Native and Adapted Best suited for climate and will thrive under local soil conditions and weather patterns Plants Natural Refrigerants Natural substances as refrigerants including ammonia, carbon dioxide, water, and air Net Metering Project becomes power supplier to local energy provider to create small profit NIBS Guideline 3-2012 Concerned with natural ventilation commissioning Non-Residential Density FAR (floor area ratio) Measurement NPDES National Pollutant Discharge Elimination Services NRCS Natural Resources Conservation Services mandates prime farmland ODP Ozone depletion potential OECD Organization for Economic Cooperation and Development Guidelines for Multinational Enterprises Ongoing Consumables Includes paper; corrugated cardboard; glass; plastics; and metals On-Site Separation Waste collected and separated on site Open Space Generic description for any kind of tree, shrub, ground cover, water and minimal pavement
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OPR Document that details the ideas, concepts, and criteria determined to be important to
Ozone Triatomic form of oxygen that is hazardous to the respiratory system at ground level Isolate areas with temporary barriers PCR Product Category Rule; defines scope, system boundary, measurement procedures, impact measures and other technical requirements to standardize information for specific product type Phase II ESA Site assessment of further investigation into soil and groundwater contamination Pilot Credit Proposed credit for LEED rating system as part of Innovation Category PPM Parts per million Preferred Parking Parking located closest to building for easy access Preservation Focused on stabilization and repair of existing historic properties Previously Developed Altered by activities that would have required a permit process Land Prime Farmland Defined by US CFR (Code of Federal Regulations) and NRCS (Natural Resources Conservation Services) for soil data for farming Principal Participant Person who is working on all aspects and contributing to the total project Priority Designation Government agencies declare as economically disadvantaged and in need of utilization/growth PSI Pounds per square inch QCT Quality Census Tract Rainforest Alliances Sustainable agriculture certification Sustainable Agriculture Network Rainwater Natural water from weather patterns REACH Registration, Evaluation, Authorization and Restriction of Chemicals Reconstruction Requires rebuilding non surviving buildings or portions thereof to restore them to wholeness RECs Renewable Energy Certificates Recycled Content Post consumer recycled + ½ pre-consumer based on cost Rehabilitation Retain buildingâ&#x20AC;&#x2122;s historic character but changing it to meet new requirements and uses Remediation Remediate using Phase III ESA by working with biologist, scientist or environmental engineer to test soil and groundwater Renewable Energy Naturally replenished resources Residential Density DU/acre (dwelling units per acre) Measurement RESNET Residential Energy Services Network Restoration Returning an existing building to its original design concept Runoff Draining of water from surface SCAQMD South Coast Air Quality Management District Scheduling Sequence activities to reduce IAQ problems
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sDA
Spatial Daylight Autonomy minimum levels of natural light in a space Secretary of Interior’s Treatment of Historic Promotes historic preservation principles through standards Properties Section 438 of Energy Concerned with maintaining and/or restoring stormwater runoff to the maximum extent technically Independence and feasible Security Act Semi-Automated DR Person initiates a control strategy preprogrammed into BAS when DR event called Simple Box Energy Analysis that informs team about building’s likely distribution of energy consumption to evaluate Modeling Analysis potential project energy strategies Site Assessment Evaluation of an area’s aboveground and subsurface characteristics SMACNA Sheet Metal Air Conditioning National Contractors Association Soils NRCS soil delineation, US Dept. of Agriculture prime farmland, healthy soils, previous development, disturbed soils Solid Waste EPA hierarchy of waste management Management Hierarchy Source Control Keep sources of contaminants out of the building and eliminate any already introduced Source Reduction Create less waste at first by using strategies of prefab, modular or standardizing material lengths/ sizes in shop drawings SR Solar reflectance index; 0 to 11 reflects solar radiation and emits thermal radiation SRI Solar reflectance; 0 to 1 measure heat rejection of non-roof material STC Sound Transmission Class; laboratory method for determining sound transmission through a wall Surrounding Density Walkable access to surrounding area for occupants SWPPP Stormwater Protection Prevention Program Thermal Comfort Condition of mind which expresses satisfaction with the thermal environment and is assessed by subjective evaluation Third Party Verified Specific to particular manufacturer with 3rd party certification and verification Topography Contour mapping, unique topographic features, slope stability risks Transportation Demand Alleviate need for parking Management Triple Bottom Line Key indicator of true sustainability; includes economic (profit); social responsibility (people), and environmental responsibility (planet) Uplighting Light emitted above the horizontal plane of the fixture Urban Heat Island Thermal absorption by hardscape and radiation to surrounding areas Vegetation Primary vegetation types, greenfield area, significant tree mapping, threatened or endangered species, unique habitat, invasive plant species VOC Volatile Organic Chemical; material containing carbon and hydrogen that evaporates and diffuses easily at ambient temperature
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Waste to Energy Produce energy from waste Water Bodies Ocean, stream, river, canal, etc. Water Budget Project specific method of calculating the amount of water required by teh building and associated grounds by taking into account indoor, outdoor, process and makeup water demands, as well as any on site supply by considering specifics WaterSense Irrigation Water efficient irrigation system Controllers WaterSense Label Helps consumers know if their product is water efficient Wetlands Inundated by water at frequency and duration to support ecology per US Army Corps of Engineers Wetlands Delineation Manual Xeriscaping Landscaping that does not require routine irrigation Zero Lot Line Building footprint close to site limits/boundary ZEV Zero emission vehicle
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Thank You