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A First High Level Look The Development of ASHRAE/IES 90.1-2010
Vice Chairs: Mark Hydeman, Steve Skalko Mick Schwedler, PE, LEED® AP
ASHRAE SSPC 90.1 ChairManager, Trane Applications Engineering
Ingersoll Randmschwedler@trane.com
Historical Timeline
90.1-2001minorrevisions
90.1-2004updates,reorganization
90.1-1999major rewrite
90.1-1989updated
90.1-1975first issued
90.1-1980updated
1990 2000 20101970 1980
90.1-2007updates
90.1-2010(planned)extensiveupdates
Cognizant TC: TC 7.6, Systems Energy Utilization
ASHRAE Standard 90.1 and
Model CodesASHRAE Standard 90.1 is adopted by:
– National Fire Protection Association by reference– International Code Council (2009)
(International Energy Conservation Code®)• Chapter 5: Commercial Energy Code
– Comply with 90.1-2007 or– Comply with the rest of Chapter 5
ASHRAE Standard 90.1 and
USGBC, LEED®-2009 (v3)• EAp2: Minimum energy performance
• Comply with 90.1-2007– Mandatory provisions of 90.1-2007 and– Prescriptive requirements of 90.1-2007 or Energy Cost Budget
method of 90.1-2007 and– 10% improvement over 90.1-2007
• Two prescriptive methods allowed (including AEDGs)
• EAc1: Optimize energy performance• 1 point for 12% savings• 3 points for 16% savings…• Up to 19 points (out of 100)
ASHRAE Standard 90.1-2007
Purpose
“… Provide minimum requirements for the energy-efficient design of buildings except low-rise residential buildings”
ASHRAE Standard 90.1-2007
Scope
• New buildings and their systems
• New portions of buildingsand their systems
• New systems and equipment in existing buildings
ASHRAE Standard 90.1-2007
Exclusions• Low-rise residential buildings
– ASHRAE Standard 90.2 covers low-rise(3 stories or less)
• Buildings that do not use either electricity or fossil fuel
• Equipment and portions of building systems that use energy primarily to provide for industrial, manufacturing, or commercial processes
ASHRAE Standard 90.1-2007
Sections• Section 1: Purpose• Section 2: Scope• Section 3: Definitions,
Abbreviations, and Acronyms
• Section 4: Administration and Enforcement
• Section 5: Building Envelope• Section 6: HVAC
• Section 7: Service Water Heating
• Section 8: Power• Section 9: Lighting• Section 10: Other
Equipment• Section 11: Energy Cost
Budget (ECB) Method• Section 12: Normative
References• Appendices
Climate Zones and Climatic DataNormative Appendices B and D
Figure B-1 and Table B-1 US Climate Zones
SSPC 90.1 Work Plan(unanimous June 2007)
• Goal: A 2010 standard that results in 30% total energy cost savings improvement compared to Standard 90.1-2004.– Measurement is aggregated, may not be met for
every building in every location
• 90.1-2010 = 90.1-2007 + All IES and ASHRAE BOD approved addenda
How is 90.1 Updated?Through Addenda
• Prior to public review– Change proposed– Subcommittee(s)
develop drafts– SSPC discusses drafts– SSPC votes for public
review and publication– SPLS and IES vote for
public review and publication
• BOD - TPS changes
• Public review– Announced– Comments made– Comment responses
voted on– If changes made, another
PR voted on– Commenters reply
• If resolved, addendum moves forward
• If unresolved SSPC must revote with that knowledge
Where have addenda come from?
• You• Other publications
– Advanced Energy Design Guides
– California Title 24– ASHRAE Standard 189.1
• TC’s• Stakeholders (working
groups)
• Energy conscious owners
• SSPC 90.1 volunteers– 4 meetings per year
(3-4 days each, 8 am – 9 pm)
– Additional web meetings– Monthly (or more often)
conference calls
SSPC 90.1 Accomplishments06/2007 through 07/01/2010
• 118 Addenda processed– 60 approved– 26 no unresolved
objections, moving forward
– 26 with knowledge of objections
– 2 still in public review– 4 unlikely to be ready in
time for 90.1-2010
• 90.1-2007 publications
• User’s Manual• Supplement (1Q-2009)
incorporates 20 addenda
• 2010 User’s Manual in progress
• Interpretations• 29 official• ~31 unofficial
Addenda to 90.1-2007Published 2008 Supplement (20 addenda)
• G – Metal buildings• H – Dual minimum zone controls• I – Exterior lighting• L – Closed circuit cooling towers addition• M – Chiller efficiencies, Paths A & B• N – Single zone VAV control • Q – Vestibules in Climate Zone 4• R – Change Appendix G to normative
(mandatory language)• S – Heat pump part load efficiency• AW – Guest room lighting
Published2008
Published2008
Addenda to 90.1-2007Approved by BODs, but not yet published (40)
• D, AB – Daylighting• E – Revision of air-to-air energy recovery requirements• AF – Pipe sizing based on hours of operation• AK – Pump pressure optimization• AS – Laboratory exhaust• AV – Lighting alterations• BC – Skylights in non-conditioned spaces• BG – Water-to-water heat pump efficiency requirements• BH – Supply air temperature reset• BP – Lighting control• BQ – Retail lighting allowance power reduction• BW – PTAC efficiency requirements
ApprovedApproved
Addenda to 90.1-2007Finished, but not yet approved
• F – Roofs, including “cool” and vegetative
• AL – Skylights in large spaces• AQ – Title Purpose and Scope –
includes commercial processes• AX – Kitchen hoods • BF – Continuous air barrier• BI – Pipe insulation• BN – Fenestration orientation• BT – Adjustment for centrifugal
chillers at non-standard conditions• BY – Lighting power densities
• CB – Damper leakage rates• CE, CE CF – Lighting control• CK – Ventilation reset
• CO – AC and condensing unit efficiency requirements
• CP – VRF efficiency requirements• CT – Daylighting threshold• DD - Toplighting
FinishedFinished
CO2 CO2OCC OCCTOD TOD
Addenda to 90.1-2007Action taken June 2010
• BB – Envelope, opaque and fenestration
• BU – Datacenters• CX – 40% WWR option• CY – Economizers• DF – Elevators• DH – Renewable energy modeling• Di – Garage ventilation
Action taken at
these meetings
Action taken at
these meetings
ASHRAE Standard 90.1-2010 (AQ)
Purpose“To establish the minimum energy efficiency requirements of buildings, other than low rise residential buildings, for:1. design, construction, and a plan for operation and maintenance, and2. utilization of on-site, renewable energy resources ”
ASHRAE Standard 90.1-2010 (AQ)
Scope
• new buildings and their systems• new portions of buildings and their
systems• new systems and equipment in
existing buildings• new equipment or building systems
specifically identified in the standard that are part of industrial or manufacturing processes
ASHRAE Standard 90.1-2010 (AQ)
Does not apply to• a. single-family houses, multi-family structures of three
stories or fewer above grade, manufactured houses (mobile homes), and manufactured houses (modular), or
• b. buildings that use neither electricity nor fossil fuel
2010
90.1 Progress Indicator Information
As of June 29, 2010●XX.X% energy savings compared to 90.1-2004 – assuming same ventilation rate●YY.Y% energy savings compared to 90.1-2004 – assuming updated Standard 62.1 ventilation rates
Stay tuned for the 11:00 SessionBing Liu and Steve Skalko
Future Addenda
• Open to your suggestions through the Continuous Maintenance Proposal process
• All meetings open to the public• Hard working members are welcome
Remember…
• Minimum standards define the worst buildings allowed
• Increased stringency in minimum standards is– Possible– Being done via a public consensus process
• An important step on the march to net-zero energy use intensity for some buildings
Thanks to…• Mark Hydeman• Steve Skalko• Jerine Ahmed• Susan Isenhour
Anderson• Wagdy Anis• Pete Baselici• Jeff Boldt• Dave Branson• Keith Emerson• Drake Erbe• Jim Garrigus• Jason Glazer• Pekka Hakkarainen• Richard Heinisch• Ned Heminger• John Hogan• Hy Kaplan• Michael Lane• Dick Lord• Ron Majette• Itzhak Maor• Jim McClendon• Michael Mehl• Harry Misuriello• Frank Morrison• Tim Peglow• Eric Richman• Maria Spinu• Christian Taber
• Bill Talbert• Dan Walker• Jim Bowman• Jim Calm• Tom Culp• Darryl DeAngelis• John Dunlap• Krishnan Gowri• Mark Halvorson• David Handwork• Scott Hintz• Tianzhen Hong• Ron Jarnagin• Michael Jouaneh• Larry Kouma• Bing Liu• Frank Myers• Jeff Park• Robert Ross• Cedric Trueman• Emily Young• Randy Casteel• Pat Chinoda• Paul Lindahl• Ken Luther• Rick Pavlak• Leon Shapiro• Jim Watts• Rita Harrold
• Doug Reindl• John Montgomery • David Schaaf• Dennis Sczomak• David Weitz• Robin Wilson• Ken Brendan• Lawrence Brown• John Lewis• Bill Holy• Frank Jakob• Michael Woodford• Tony Arbore• Todd Brown• Leo Smith• Dennis Stanke• Public
Commenters NMHC GANA Presenters at meetings CMP proposers Interpretation requesters
PNNL Staff (analysis) All our families
• ASHRAE/IES
Cassandra Craig Beverly Fulks Steve Hammerling Bruce Hunn Susan LeBlanc Jeff Littleton Judy Marshall Cindy Michaels Angela McFarlin Mark Owen Elizabeth Parrish Lilas Pratt Claire Ramspeck Stephanie Reiniche Amelia Sanders Emily Scott Emily Sigman Matt Walker Mark Weber Jan Young SPLS Carol Marriott Standards Committee Steve Bushby Technology Council Tom Watson Boards of Directors Kent Peterson Bill Harrison Gordon Holness Lynn Bellenger
Steve FergusonASHRAE Staff Liaison
aka “Radar”
• Mike Tillou• Martha VanGeem• Mike Waite• Mack Wallace• Richard Watson• Jerry White• Ron Burton• Charles Cottrell• Craig Drumheller• Allan Fraser• Ron Kurtz• Steve Rosenstock• Frank Stanonik• Karim Amrane• Ernie Conrad• Chuck Foster• Chad Groshart• Merle McBride• Ken Sagan• Randy Blanchette• Don Brundage• Brian Hahnlen• Susanna Hanson• Jonathan Humble• Ray McGowan• Mike Rosenberg• Marty Salzberg• Jeff Stein• Wayne Stoppelmoor
Questions?Mick Schwedlermschwedler@trane.com
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