Gulf Coast Green speaker, Kent Peterson, presented "Standard for the Design of High-Performance Green Buildings" on 4/15/2010 in Houston, Texas

1. Standard for the Design of
High-Performance Green Buildings
Optional Compliance Path in the IgCC
Kent W. Peterson, PE, FASHRAE, LEED®AP
P2S Engineering, Inc.
kent.peterson@p2seng.com
ASHRAE/USGBC/IES Standard 189.1-2009

2. Learning Objectives
 differentiate Standard 189.1 from green building rating
systems (e.g., LEED, Green Globes)
 recognize the importance of developing a code-intended
standard for design of high-performance green buildings
 identify mandatory provisions in Standard 189.1 to increase
awareness of the intent of the standard
 indentify the two compliance path options (Prescriptive
and Performance) and their associated provisions in
Standard 189.1
2 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS

3. What is Standard 189.1?
 ANSI standard developed in model code language
 Provides minimum requirements for high-performance,
green buildings
 Applies to all buildings except low-rise residential buildings
(same as ASHRAE/IESNA Std 90.1)
 Optional Compliance Path included in the International
Green Construction Code (IgCC)
 Not a design guide, not a rating system
3 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS

4. Standard Project Committee 189.1
 Co-sponsors
 ASHRAE - American Society of Heating, Refrigerating and Air
Conditioning Engineers
 USGBC – U.S. Green Building Council
 IES - Illuminating Engineering Society of North America
 Project committee
 Large group with diverse backgrounds
 Consensus process
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5. Goals for Standard 189.1
 Establish mandatory criteria in all topic areas
 One “challenge” is existing green building rating systems contain
few mandatory provisions
 Provide simple compliance options
 Complement green building rating programs
 Standard is not intended to compete with green building rating
programs
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6. Development of Standard 189.1
2006
Preliminary meeting ( Jun)
2007
1st public review (May-Jul)
2008
2nd public review (Feb)
Committee reconstituted (Nov)
2009
3rd public review (May-Jun)
4th public review of ISCs (Sep-Oct)
Publication approval (Dec)
2010
Publication ( Jan 22nd)
Transition to SSPC
2007 2008 2009 2010 2011
6 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS

7. What Happens When Green Becomes
Code?
Do Buildings Get Better?
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8. Standard 189.1 Building Blocks
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9. Standard 189 Chapter Structure
 x.1: Scope
 x.2: Compliance
 x.3: Mandatory
(required for all projects)
 x.4: Prescriptive option
(simple option, very few calculations)
 x.5: Performance option
(more options, but more effort)
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10. Standard 189.1 Topic Areas
SS Sustainable Sites
WE Water Use Efficiency
EE Energy Efficiency
IEQ Indoor Environmental uality
MR Building’s Impact on the Atmosphere, Materials & Resources
CO Construction and Operations Plans
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11. Compliance Paths
Mandatory + Prescriptive Path
(simple option, very few calculations)
Mandatory + Performance Path
(more options, but more effort)
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12. Sustainable Sites brownfield site: a site documented as
contaminated by means of an ASTM
Mandatory Provisions E1903 Phase II Environmental Site
Assessment or a site classified as a
brownfield by a local, State, or
1. Site Selection
 Allowable sites fish and wildlife habitat conservation
• Existing building envelope area: areas with which state or
federally designated endangered,
• Brownfields, greyfields threatened, or sensitive species have a
• Greenfield sites where 1/2 mile to:
- transit or 10 basic services, or
- residential area with density > 10 units/acre
 Prohibited development activity
• Flood plains,
• 100  of wetlands,
• 150  of fish and wildlife habitat conservation area
SS WE EE IEQ MR CO
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13. Sustainable Sites
Mandatory Provisions
2. Reduce Heat Island Effect
 Site hardscape: 50% to be shaded
(within 5 years of planting), or be
SRI 29, or shaded by structures
 Walls: to be shaded on at least 30%
solar reflectance index (SRI): a
of east and west walls up to measure of a constructed surface’s
20 feet above grade within 5 years ability to reflect solar heat, as shown
by a small temperature rise. A
standard black surface (reflectance
 Roofs (climate zones 1-3): 0.05, emittance 0.90) is 0 and a
to be SRI 78 (low-slope), standard white surface (reflectance
29 (steep-slope) or cool roof
SS WE EE IEQ MR CO
13 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS

14. Sustainable Sites
Mandatory Provisions
3. Reduction of Light Pollution
 Outdoor lighting lumen limits per parking
space, per 2 of hardscape or per 2
complete site (Standard 90.1 Addendum i)
 Maximum allowable Backlight,
Uplight And Glare (BUG) ratings for
luminaires by lighting zone type
SS WE EE IEQ MR CO
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15. Sustainable Sites
Prescriptive Options
 Site Development
 All sites:
Minimum 40% of site area to be effective pervious surface
(vegetation, green roof, porous pavers) – exceptions for areas
with <10 inches annual average rainfall
 Greenfield sites:
Minimum 20% of area to be native or adapted plants
greenfield site: a site of which 20% or less has been
SS WE EE IEQ MR CO
15 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS

16. Sustainable Sites
Performance Option
 Site Development
 Existing Building: minimum 20%
 Greyfield Sites: minimum 40%
 All Other Sites: minimum 50%
 of the average annual rainfall on the development footprint shall be
managed through infiltration, reuse, or evapotranspiration
greyfield site: a site of which more than 20% is already
SS WE EE IEQ MR CO
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17. Water Use Efficiency
Mandatory Provisions
 Site Water Use
 Bio-diverse plantings, hydrozoning, & smart irrigation controllers
 Building Water Use
 Plumbing fixtures & fittings, appliances, HVAC systems &
equipment, generally 40% lower than U.S. EPAct 1992
 Disallow once through cooling with potable water
hydrozoning: to divide the landscape irrigation system
into sections in order to regulate each zone’s water
SS WE EE IEQ MR CO
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18. Water Use Efficiency
Mandatory Provisions
 Water Consumption Measurement
 Measurement devices with remote communication capability shall
be provided to collect water consumption data
SS WE EE IEQ MR CO
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19. Water Use Efficiency
Mandatory Provisions
 Water Consumption Measurement
SS WE EE IEQ MR CO
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20. Water Use Efficiency
Prescriptive Option
 Building Water Use Reduction
 Cooling towers
 Efficient commercial food service and laboratories
SS WE EE IEQ MR CO
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21. Water Use Efficiency
Prescriptive Option
 Site Water Use
 Max 1/3 of improved landscape can be irrigated with potable water
 Special Water Features
 Fountain water must be from alternate source or reclaimed (no
potable water)
• Exception where alternate on-site sources of water or municipally-
reclaimed water are not available within 500  of the building
project site, potable water is allowed to be used for water features
with less than 10,000 gallon capacity.
SS WE EE IEQ MR CO
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22. Water Use Efficiency
Performance Option
 Site Water Use Reduction
 proposed potable water for irrigation < 35% of baseline
evapotranspiration
 Building Water Use
 proposed water use < mandatory plus prescriptive
evapotranspiration (ET): the sum of evaporation and plant transpiration. Evaporation accounts
for the movement of water to the air from sources such as the soil, canopy interception, and water
bodies. Transpiration accounts for the movement of water within a plant and the subsequent loss
SS WE EE IEQ MR CO
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23. Building Energy Codes
20 0 8 B U I L D I N G E N E RG Y CALIFORNIA
E N E RGY
COMMISSION
EFFICIENCY STANDARDS
R E G U L AT I O N S / S TA N D A R D S
FOR RESIDENTIAL AND
NONRESIDENTIAL BUILDINGS
EN
ER
December 2008
GY
CEC-400-2008-001-CMF
Arnold Schwarzenegger
Governor
Preserving California’s
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24. Energy Efficiency Highlights
 More energy efficient than Standard 90.1-2007
 Renewable energy provisions
 Energy measurement for verification
 Electric peak load reduction
SS WE EE IEQ MR CO
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25. Energy Efficiency
Marine (C) Dry (B) Moist (A)
SS WE EE IEQ MR CO
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26. Energy Efficiency Highlights
SS WE EE IEQ MR CO
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27. Energy Efficiency Highlights
SS WE EE IEQ MR CO
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28. Energy Efficiency
Mandatory Provisions
 Meet 90.1 Mandatory Requirements
 Sections 5.4, 6.4, 7.4, 8.4, 9.4 and 10.4
 Provide for future on-site renewable energy power systems
 Building projects design shall show allocated space and pathways
for installation of on-site renewable energy systems
 Minimum rating of 3.7 W/2 multiplied by the total roof area
 Exception for locations with poor incident solar radiation
on-site renewable energy system: photovoltaic, solar
thermal, geothermal energy, and wind systems used to
SS WE EE IEQ MR CO
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29. Energy Efficiency
Mandatory Provisions
 Energy Consumption Measurement
 Measurement devices with remote communication capability shall
be provided to collect energy consumption data
SS WE EE IEQ MR CO
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30. Energy Efficiency
Mandatory Provisions
 Energy Consumption Measurement
SS WE EE IEQ MR CO
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31. Energy Efficiency
Prescriptive Option
 CZ-2 Building Envelope (IP)
 Roof Insulation
• 189.1: R- 25 c.i., R- 49 attic
• 90.1: R- 20 c.i., R- 38 attic
 Walls
• 189.1: Steel framed R-13 cavity + R-5 c.i., R-7.6 c.i. mass wall
• 90.1: Steel framed R-13 cavity, R-5.7 c.i. mass wall
CZ-2A Houston Non-Residential Example SS WE EE IEQ MR CO
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32. Energy Efficiency
Prescriptive Option
 CZ-2 Building Envelope (IP)
 Fenestration Assemblies
90.1 189.1
nonmetal frame U-0.75 U-0.75
curtainwall U-0.70 U-0.70
other metal U-0.75 U-0.75
SHGC 0.25 0.25
CZ-2A Houston Non-Residential Example SS WE EE IEQ MR CO
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33. Energy Efficiency
Prescriptive Option
 Building Envelope
 Vertical fenestration area < 40% of the gross wall area
 W, S & E permanent projections for vertical fenestration (climate
zones 1-5)
Projection Factor PF ≥ 0.5
 Fenestration orientation (climate zones 1-4):
(AreaN*SHGCN + AreaS*SHGCS) ≥ 1.1*(AreaW*SHGCW + AreaE*SHGCE)
CZ-2A Houston Non-Residential Example SS WE EE IEQ MR CO
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34. Energy Efficiency
Prescriptive Option
 Building Envelope
 Continuous air barrier requirement
• Using individual materials that have an air permeability ≤ 0.004 cfm/2
under a pressure differential of 0.3 in. W.C.
• Using assemblies of materials and components that have an average air
leakage ≤ 0.04 cfm/2 under a pressure differential of 0.3 in. W.C.
• Testing the completed building and demonstrating that the air leakage rate
of the building envelope ≤ 0.4 cfm/2 under a pressure differential of 0.3 in.
W.C.
continuous air barrier: the combination of
interconnected materials, assemblies and flexible sealed
joints and components of the building envelope that
provide air-tightness to a specified permeability.
SS WE EE IEQ MR CO
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35. Energy Efficiency
Prescriptive Option
 On-site renewable energy systems
 Annual energy production equivalent of 6
KBtu/2 of conditioned space
 Exception for areas with incident solar
radiation less than 4 kWh/m2-day and a
cumulative purchase of green power of 70
kWh/2 of conditioned space for a period
not to exceed ten years
SS WE EE IEQ MR CO
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36. Energy Efficiency
Prescriptive Option – Mechanical
Equipment Efficiency Compliance Options
U.S. EPAct Baseline Higher Efficiency
Use equipment with U.S. EPAct baseline Use higher efficiency of EnergySTAR
efficiency levels, and: requirements and Appendix C, and:
• Renewable energy system producing • Renewable energy system producing
annually 6 kBtu/2 of conditioned floor annually 4 kBtu/2 of conditioned floor
space space
• Peak load reduction of 10% • Peak load reduction of 5%
SS WE EE IEQ MR CO
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37. Energy Efficiency
Prescriptive Option
 Mechanical
 Demand control ventilation for densely
occupied spaces
 Economizer cycle for units > 33,000 Btu/h
• Not required in CZ-1A, 1B or 2A
 Std 90.1 Seal Level A duct level
 Fan power to be 10% less than Std 90.1
 Exhaust air energy recovery
densely occupied space: those spaces with a design
occupant density greater than or equal to 25 people
SS WE EE IEQ MR CO
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38. Energy Efficiency
Prescriptive Option
 Lighting
 Occupancy sensor controls
 Occupancy sensor controls with multi-level switching or dimming
 Interior lighting power to be 10% less than 90.1-2007 LPD
 Lighting for building security or emergency egress ≤ 0.1 W/2
 Automatic controls for lighting in daylight zones
SS WE EE IEQ MR CO
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39. Energy Efficiency
Prescriptive Option
 Other Equipment
 Supermarket waste heat recovery system on
permanently installed refrigeration equipment in
supermarkets 25,000 2 or greater
 ENERGY STAR equipment and appliances if installed
prior to issuance of certificate of occupancy
SS WE EE IEQ MR CO
39 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS

40. Energy Efficiency
Performance Option
 Annual Energy Cost
 Proposed ≤ mandatory plus prescriptive
 Annual Equivalent Carbon Dioxide (CO2e)
 Proposed ≤ mandatory plus prescriptive
 Peak Electric Demand
 Proposed ≤ mandatory plus prescriptive
SS WE EE IEQ MR CO
40 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS

41. Indoor Environmental Quality
Mandatory Provisions
 Indoor Air uality
 Ventilation rates per ASHRAE Standard 62.1 VRP
 Outdoor air delivery monitoring
• Outdoor air flow rate monitoring of minimum outside air
 MERV 8 filter (MERV 13 in PM2.5 non-attainment areas)
 Eliminate air bypass around filters
 No smoking inside building
 Building entrance entry mat system
SS WE EE IEQ MR CO
41 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS

42. Indoor Environmental Quality
Mandatory Provisions
 ermal Environmental Conditions
 Comply with ASHRAE Std 55 Section 6.1 Design and 6.2
Documentation
 Acoustical Control
 Defined STC values for exterior and interior assemblies
 Daylighting by Toplighting (skylights)
 Targeted for large enclosed spaces in buildings ≤ three stories
 Soil Gas Retarding System
 Brownfields or radon
SS WE EE IEQ MR CO
42 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS

43. Indoor Environmental Quality
Prescriptive Option
 Daylighting by Sidelighting
 Office spaces and classrooms
 Minimum effective apertures
 Minimum interior surface visible light reflectances
 Minimum shading projection factors
SS WE EE IEQ MR CO
43 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS

44. Indoor Environmental Quality
Prescriptive Option
 Materials
 Emissions and VOC
requirements
• Adhesives and sealants
• Paints and coatings
• Floor covering materials
• Composite wood and agrifiber
products
• Office furniture systems and
seating
• Ceiling and wall systems
SS WE EE IEQ MR CO
44 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS

45. Indoor Environmental Quality
Performance Option
 Daylighting
 Physical or computer model, minimum illuminance target:
30 fc (300 lux) on work surfaces, noon equinox
 It shall be demonstrated that direct sun does not strike the
workplane in any daylit space for more than 20% of the occupied
hours during an equinox day in regularly occupied office spaces
 Materials
 VOC emissions model for building materials per CA/DHS/
EHLB/R-174 Section 4.3
SS WE EE IEQ MR CO
45 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS

46. The Building’s Impact on the Atmosphere
Mandatory Provisions
 Construction waste management
 A minimum of 50% of non-hazardous construction and demolition waste
material shall be diverted
 Total waste on new building projects shall not exceed 42 cubic yards or 12,000
lbs per 10,000 2 of new building area
 Wood products
 Refrigerants
 Storage and collection of recyclables, reusable goods and
fluorescent and HID lamps and ballasts
SS WE EE IEQ MR CO
46 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS

47. The Building’s Impact on the Atmosphere
Prescriptive Option
 Reduced Impact Materials
 Post-consumer recycled content + one-half of the pre-
consumer recycled content ≥ 10% of the total materials in
the building project, based on cost
 ≥ 5% of building materials used shall be bio-based
products, based on cost
 ≥ 15% of building materials or products used shall be
regionally extracted/harvested/recovered or manufactured
within a radius of 500 miles of the project site, based on
cost
SS WE EE IEQ MR CO
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48. The Buildings Impact on the Atmosphere
Performance Option
 Life Cycle Assessment
 ISO Standard 14044 – Environmental management -- Life cycle
assessment -- Requirements and guidelines
 Minimum of two building alternatives
 e building alternative chosen for the project shall have a 5%
improvement over the other building alternative
SS WE EE IEQ MR CO
48 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS

49. Construction and Operation
Mandatory Provisions
 Plans for Construction
 Building Acceptance Testing
 Building Commissioning
 Erosion and Sediment Control
 IAQ Construction Management
 Moisture Control
 Construction Vehicles
SS WE EE IEQ MR CO
49 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS

50. Construction and Operation
Building Acceptance Testing
 Activities Prior to Permit
 Designate an Acceptance Representative to lead, review, and
oversee
acceptance representative: An entity identified by the owner who leads, plans, schedules,
and coordinates the activities needed to implement the building acceptance testing
activities. The acceptance representative may be a qualified employee or consultant of the
owner. The individual serving as the acceptance representative shall be independent of
the project design and construction management, though this individual may be an
employee of a firms providing those services.
 CDs shall provide details of the tests to be performed
 Review CDs to verify sensor locations, devices, and control
sequences are properly documented
SS WE EE IEQ MR CO
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51. Construction and Operation
Building Acceptance Testing
 Activities Prior to Building Occupancy
 Verify proper installation and start-up of systems
 Perform acceptance tests and complete test forms
 Verify a systems manual has been prepared
• O&M documentation
• Warranty information
• Information needed to understand and optimally operate the
building systems
SS WE EE IEQ MR CO
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52. Construction and Operation
Building Acceptance Testing
 Systems to be Tested:
 Mechanical systems: HVAC, IAQ, refrigeration and associated
controls
 Lighting systems: daylighting controls, occupancy sensing devices
and automatic shut-off controls
 Renewable energy systems
 Water measurement devices
 Energy measurement devices
SS WE EE IEQ MR CO
52 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS

53. Construction and Operation
Building Project Commissioning
 Required for all building projects > 5,000 2 of gross floor
area
 Cx satisfies Building Acceptance Testing Requirements in
the Standard
 Cx shall be incorporated into the pre-design, design,
construction and first year of occupancy
commissioning authority (CxA): An entity identified
by the owner who leads, plans, schedules, and
coordinates the commissioning team to implement the
building commissioning process.
SS WE EE IEQ MR CO
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54. Construction and Operation
Building Project Commissioning
 Activities Prior to Permit
 Designate a project commissioning authority to lead, review, and
oversee
 Owner Project Requirements
 Design team shall develop Basis of Design
 CxA shall review OPR and BOD
 CDs shall provide details of commissioning requirements
 Review CDs at 50% and 100% to verify documents achieve
construction phase OPR
 Develop a Cx Plan
SS WE EE IEQ MR CO
54 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS

55. Construction and Operation
Building Project Commissioning
 Activities Prior to Building Occupancy
 Verify proper installation and performance of systems to be
commissioned
 Verify completion of construction checklist and verification
 Verify training
 Complete preliminary commissioning report
 Verify a systems manual has been prepared
verification: the process by which specific documents,
components, equipment, assemblies, systems, and
interfaces among systems are confirmed to comply
with the criteria described in the owner’s project
requirements. SS WE EE IEQ MR CO
55 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS

56. Construction and Operation
Building Project Commissioning
 Post-Occupancy Activities
 Complete remaining commissioning activities that can only be
completed subsequent to building occupancy
 Complete final commissioning report
SS WE EE IEQ MR CO
56 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS

57. Construction and Operation
Building Project Commissioning
 Systems to be Tested:
 Building envelope systems, components, and assemblies to verify
the thermal and moisture integrity
 Building envelope pressurization to confirm air tightness if
included in BOD requirements
 Mechanical systems: HVAC, IAQ, refrigeration and associated
controls
 Lighting systems: daylighting controls, occupancy sensing devices
and automatic shut-off controls
 Irrigation
SS WE EE IEQ MR CO
57 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS

58. Construction and Operation
Building Project Commissioning
 Systems to be Tested (continued):
 Plumbing
 Domestic water and process water pumping and mixing systems
 Service water heating systems
 Renewable energy systems
 Water measurement devices
 Energy measurement devices
SS WE EE IEQ MR CO
58 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS

59. Construction and Operation
Mandatory Provisions
 IAQ Construction Management Plan
 Air conveyance materials shall remain clean
 Post-construction, pre-occupancy flush-out
• Option A - 24-hr flush-out & baseline IAQ testing prior to
occupancy
• Option B - Continuous flush-out
SS WE EE IEQ MR CO
59 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS

60. Construction and Operation
Mandatory Provisions
 Plans for Operation
 High-Performance Building Operation Plan
• Site sustainability
• Track and assess energy and water use
• Measurement & verification
• Indoor air quality
• Green cleaning
 Maintenance plans
SS WE EE IEQ MR CO
60 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS

61. Construction and Operation
Mandatory Provisions
 Energy Efficiency Plan for Operation
 Initial measurement & verification
• Aer acceptance testing is complete
 Track and assess energy consumption
• Aer 12 months but no later than 18 months aer certificate of
occupancy
• Energy usage reports (both consumption and demand)
• Energy Star Portfolio Manager to track performance
• Assess energy performance
verification: The process by which specific documents,
components, equipment, assemblies, systems, and interfaces
among systems are confirmed to comply with the criteria
SS WE EE IEQ MR CO
61 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS

62. Normative Appendices
 Appendix A – Prescriptive Building Envelope Tables
 Appendix B – Prescriptive Continuous Air Barrier
 Appendix C – Prescriptive Equipment Efficiency Tables
 Appendix D – Performance Option for Energy Efficiency
 Appendix E – IAQ Limit Requirements for Office Furniture
Systems and Seating
 Appendix F – Building Concentrations
62 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS

63. What is Your Best Path Forward?
 Begin to understand the impact of these new requirements
on your business and technical expertise
 Identify what requisite skills and knowledge you will need
once this standard and green codes are implemented
63 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS

64. Further Information
 Information on Standard 189.1:
www.ashrae.org/greenstandard
 Information on International Green Construction Code:
www.iccsafe.org/cs/IGCC
 ASHRAE Training on Standard 189.1
 User Manual is under development to assist in
understanding in how to apply the standard
64 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS

65. Questions
65 STANDARD FOR THE DESIGN OF HIGH-PERFORMANCE GREEN BUILDINGS