creating net zerozero homes...aia a195/b195/a295 standard form of agreement between ownerowner and...
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Creating NetCreating Net‐‐Zero Zero Energy HomesEnergy Homes
Low/NoLow/No‐‐Tech OpportunitiesTech Opportunities
(Hint: This isn’t rocket science.)(Hint: This isn’t rocket science.)
© Ann Edminster / Design AVEnues LLC 2011
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HOMESHOMESHOMESHOMES
CODECODECODECODE
QUESTIONSQUESTIONSQUESTIONSQUESTIONS
S C OS C OSPECIALIZATIONSPECIALIZATION
OCCUPANTSOCCUPANTS
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HOMESHOMESHOMESHOMES
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THESE HOMES are made:THESE HOMES are made:THESE HOMES are made:THESE HOMES are made:
To fit the To fit the needneedTo be as comfortable as possible To be as comfortable as possible given given available materials ingenuity & skillavailable materials ingenuity & skillavailable materials, ingenuity & skillavailable materials, ingenuity & skillFrom materials at handFrom materials at hand
i ffi i ii ffi i iUsing efficient geometriesUsing efficient geometriesWith low surface: volume ratiosWith low surface: volume ratios
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CAN WE STILL DO THAT? CAN WE STILL DO THAT? Yes, we can!Yes, we can!CAN WE STILL DO THAT? CAN WE STILL DO THAT? Yes, we can!Yes, we can!
DODOWE DO IT? WE DO IT? Not often. Mostly we do this:Not often. Mostly we do this:DODOWE DO IT? WE DO IT? Not often. Mostly we do this:Not often. Mostly we do this:
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Enemies of NetEnemies of Net‐‐Zero Energy HomesZero Energy HomesEnemies of NetEnemies of Net Zero Energy HomesZero Energy HomesLOTS OF:LOTS OF:1.1. JointsJoints2.2. SurfacesSurfaces2.2. SurfacesSurfaces3.3. MaterialsMaterials
L l hL l h
COMPLEXITY
4.4. Level changesLevel changes5.5. Systems & system typesSystems & system types6.6. STUFFSTUFF7.7. Excess volume Excess volume
Also encourages excess STUFF!
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7.7. Excess volume Excess volume
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What’s wrong with this picture?What’s wrong with this picture?g pg p
MUCH EASIER to MUCH EASIER to heat, insulate, & air seal SIMPLE forms
hREALLY HARD to heat, insulate, & air seal COMPLEX forms!
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Opportunity #1: DESIGNOpportunity #1: DESIGNpp ypp y
SIZESIZE
GEOMETRYORIENTATIONORIENTATION
Remember to use our most powerful toolsRemember to use our most powerful tools
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Spring 2011
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CODECODECODECODE
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How code How code doesn’tdoesn’t help us improve help us improve p pp penergy performanceenergy performance
1.1. It cultivates a mindset of compliance,It cultivates a mindset of compliance,NOT innovation and leadershipNOT innovation and leadership
I just want to I just want to VS
What’s the What’s the MOST EFFICIENT MOST EFFICIENT PASS at lowest PASS at lowest
possible costpossible costVS. MOST EFFICIENT MOST EFFICIENT
house I can build house I can build within budget?within budget?
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How code How code doesn’tdoesn’t help us improve help us improve p pp penergy performanceenergy performance
1.1. It cultivates a mindset of compliance, It cultivates a mindset of compliance, NOT innovation and leadershipNOT innovation and leadership
2.2. It turns a blind eye to design decisions that It turns a blind eye to design decisions that have huge influence on energy usehave huge influence on energy useg gyg gy
“Standard “Standard reference reference
Code ignores Code ignores impact of size impact of size reference reference
house” may house” may be energy be energy
HOGHOG
impact of size, impact of size, geometry, geometry, orientationorientation
YET
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HOGHOG
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How code How code doesn’tdoesn’t help us improve help us improve p pp penergy performanceenergy performance
1.1. It cultivates a mindset of compliance, It cultivates a mindset of compliance, NOT innovation and leadershipNOT innovation and leadership
2.2. It turns a blind eye to design decisions that It turns a blind eye to design decisions that have huge influence on energy usehave huge influence on energy useg gyg gy
3.3. It doesn’t incentivize use of renewable It doesn’t incentivize use of renewable onsite electricity (PVs)onsite electricity (PVs) T di PV h T di PV h T di PV h T di PV h onsite electricity (PVs)onsite electricity (PVs)Highest PV Highest PV
production is production is BUT
T24 dings PV homes T24 dings PV homes for electric use … for electric use … even at their peak even at their peak
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production is production is at peak loadat peak load
BUT ppproduction timesproduction times
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Homes with PVs Benefit the GridHomes with PVs Benefit the GridHomes with PVs Benefit the GridHomes with PVs Benefit the Grid
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Source Energy vs Site EnergySource Energy vs Site EnergySource Energy vs. Site EnergySource Energy vs. Site EnergyUNITS OF ENERGY UNITS OF ENERGY
BURNED AT BURNED AT UNITS OF ENERGY UNITS OF ENERGY DELIVERED TO DELIVERED TO BURNED AT BURNED AT
POWER PLANTPOWER PLANTDELIVERED TO DELIVERED TO
HOMEHOME
UP IN 4
SMOKE3
2
1
E
SOURC
E
0
SITE
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Benefit of PhotovoltaicsBenefit of PhotovoltaicsBenefit of PhotovoltaicsBenefit of PhotovoltaicsUNITS OF ENERGY THAT UNITS OF ENERGY THAT
DON’T NEED TO BE BURNED DON’T NEED TO BE BURNED UNITS OF ENERGY PVS UNITS OF ENERGY PVS PUT INTO THE GRID PUT INTO THE GRID DON T NEED TO BE BURNED DON T NEED TO BE BURNED
AT POWER PLANTAT POWER PLANTPUT INTO THE GRID … PUT INTO THE GRID …
OFTEN AT PEAKOFTEN AT PEAK4
NET
3
NET BENEFIT TO GRID & UTILITY
2
1
SOURC
E
& UTILITY
0
SITE
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Opportunity #2: Opportunity #2: OVERSTEP THE CODEOVERSTEP THE CODE
Don’t let the code constrain our thinking.Don’t let the code constrain our thinking.
© Ann Edminster / Design AVEnues LLC 2011
gg
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QUESTIONSQUESTIONSQUESTIONSQUESTIONS
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Does ZNE cost more?Does ZNE cost more?Does ZNE cost more?Does ZNE cost more?If ZNE is an explicit goal of the project, it does If ZNE is an explicit goal of the project, it does NOT!NOT!
To To achieve ZNE, you achieve ZNE, you may …may …Design a Design a SMALLERSMALLER structurestructureDesign a Design a SMALLERSMALLER structurestructure
Design a Design a SIMPLERSIMPLER geometrygeometry
Optimize Optimize PASSIVEPASSIVE opportunities (solar breezes etc )opportunities (solar breezes etc )Optimize Optimize PASSIVEPASSIVE opportunities (solar, breezes, etc.)opportunities (solar, breezes, etc.)
Optimize the Optimize the ENCLOSUREENCLOSURE
Simplify Simplify MECHANICAL MECHANICAL systemssystems
You will meet your budget by making You will meet your budget by making CHOICES.CHOICES.
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It is often presumed that “green” resourceful building involves a cost gpremium. This is not a universal truth. Though it is reasonable to assume that a superior product should come at a premium, performance
h i g d ig i enhancing design is more a matter of examining design goals and objectives with a few to objectives with a few to redirecting investment.
~ Bruce Coldham
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Opportunity #3: Opportunity #3: EXAMINE ASSUMPTIONSEXAMINE ASSUMPTIONS
W kW kWe ask:We ask:“How much more will it cost to get to “How much more will it cost to get to ZNE?”ZNE?”ZNE?”ZNE?”
We We shouldshould be asking: be asking: “What can we do differently to get to “What can we do differently to get to ZNE?”ZNE?”
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SPECIALIZATIONSPECIALIZATIONSPECIALIZATIONSPECIALIZATION
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Integrated Integrated Project DeliveryProject Deliverygg j yj ynotnot Integrated “Design Process”Integrated “Design Process”
An integrated TEAM is one that is unified by coming together to work as a whole.
andIn an integrated BUILDING the building components and theirIn an integrated BUILDING, the building components and their
interconnections are brought together into a unified whole.
THISTHIS
THATTHAT
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Who should be on the team?Who should be on the team?Who should be on the team?Who should be on the team?
QUALIFIED Owner/developerOwner/developerArchitectArchitect
QUALIFIED, COMMITTED, & CREATIVE!
ArchitectArchitectContractor/builder,Contractor/builder, subs,subs, WORKERS!WORKERS!MEP consultant energy analystMEP consultant energy analystMEP consultant, energy analystMEP consultant, energy analystStructural, interiorsStructural, interiors, civil, , civil, lighting, landscape … lighting, landscape … RenewablesRenewables consultant/vendorconsultant/vendor
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RenewablesRenewables consultant/vendorconsultant/vendor
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ZNE is a Recessive GeneZNE is a Recessive GeneZNE is a Recessive GeneZNE is a Recessive Gene
ZNE Design ZNE Design ++ ZNE ConstructionZNE Construction == ZNE BuildingsZNE BuildingsZNE Design ZNE Design ++ ZNE ConstructionZNE Construction == ZNE BuildingsZNE Buildings
[ORDINARY][ORDINARY]DesignDesign
ZNE DesignZNE Design++
++ZNE ConstructionZNE Construction
[ORDINARY][ORDINARY]ConstructionConstruction
QUALITYQUALITYIS IS
CRITICALCRITICAL≠≠ZNE BuildingsZNE Buildings
≠≠ZNE BuildingsZNE Buildings
CRITICALCRITICAL
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Why Integration WorksWhy Integration WorksWhy Integration WorksWhy Integration WorksCommon understanding develops EARLY!Common understanding develops EARLY!
Business as usual Integrated project delivery
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Integrative Process PrinciplesIntegrative Process Principlesg pg p
1. If your process is sound, good outcomes will follow.
2.A sound process, carried out by the 2.A sound process, carried out by the RIGHT (qualified, committed, creative) PEOPLE, all but guarantees a good PEOPLE, all but guarantees a good project (or product).
3.3.The person left out The person left out is the one who will is the one who will
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EXAMPLE: EXAMPLE: Standard Competitive BiddingStandard Competitive Bidding
PROBLEM:PROBLEM: Contractors are not involved until Contractors are not involved until late in the processlate in the processlate in the processlate in the processPROBLEM:PROBLEM: Contractors are pressured for Contractors are pressured for l b dl b dlowest bidlowest bidPROBLEM:PROBLEM: If they underbid, they shortcut.If they underbid, they shortcut.
WHAT’S THE SOLUTION?WHAT’S THE SOLUTION?How can contractors get involved early?How can contractors get involved early?
© Ann Edminster / Design AVEnues LLC 2011
How can contractors get involved early?How can contractors get involved early?
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Collaboration Collaboration –– Legal FrameworkLegal FrameworkggAIA A195/B195/A295 Standard AIA A195/B195/A295 Standard Form of Agreement Between Form of Agreement Between Owner and Contractor/ Owner Owner and Contractor/ Owner and Architect for Integrated and Architect for Integrated
Project DeliveryProject Delivery
AIA C195 Standard Form Single AIA C195 Standard Form Single Purpose Entity Agreement for Purpose Entity Agreement for Integrated Project DeliveryIntegrated Project Delivery
ConsensusDOCSConsensusDOCS 300 Standard 300 Standard
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Form of TriForm of Tri‐‐Party Agreement Party Agreement for Collaborative Project for Collaborative Project
DeliveryDelivery
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Collaboration ToolsCollaboration Tools
CENTRAL DESKTOP
BASECAMPBASECAMP
HOUSETALK US
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HOUSETALK.US
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Information ResourcesInformation ResourcesSave $, don’t reinvent the wheel!Save $, don’t reinvent the wheel!
Building America Building America Building America Building America (50% savings packages)(50% savings packages)BuildingGreen comBuildingGreen comBuildingGreen.comBuildingGreen.comGreenBuildingAdvisor.comGreenBuildingAdvisor.comNational Renewable Energy National Renewable Energy Laboratory (Laboratory (NREL.govNREL.gov))Florida Solar Energy Florida Solar Energy Center (Center (FSEC.ucf.eduFSEC.ucf.edu))
Case studies & MORE
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Sample Meeting ResourcesSample Meeting ResourcesSample Meeting ResourcesSample Meeting Resources
SchedulingScheduling I’M NOT SURE SchedulingSchedulingDoodle.comDoodle.com
Calling remote desktop sharing Calling remote desktop sharing
… WHAT DO YOU THINK?
Calling + remote desktop sharing Calling + remote desktop sharing SkypeSkype
WebWeb‐‐based meetingsbased meetingsWebexWebexGoToMeetingGoToMeetingAdobe ConnectAdobe Connect
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Opportunity #4: Opportunity #4: TEAMWORKTEAMWORK
C i i h i i kC i i h i i k
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Capture synergies with integrative teamwork.Capture synergies with integrative teamwork.
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OCCUPANTSOCCUPANTSOCCUPANTSOCCUPANTS
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People Have People Have StuffStuffPeople Have People Have StuffStuffHOW MANY OF THESE IN YOUR HOUSE?
HOW MANY 2 YEARS FROM
NOW?
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What are the What are the BIGBIG culprits?culprits?What are the What are the BIGBIG culprits?culprits?
A ti dA ti dWHAT SHOULD YOU
TARGET? WHAT ARE THE Active mode Active mode power use power use (Watts)(Watts)
TARGET? WHAT ARE THE CONTROL STRATEGIES?
DVR/TiVoDVR/TiVo
Standby/off Standby/off power usepower use
DVR/TiVoDVR/TiVoDigital CableDigital Cable
power use power use (Watts)(Watts) Desktop ComputerDesktop Computer
Printer/ Printer/ S /S /
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Scanner/ Scanner/ CopierCopier
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Minimizing Plug LoadsMinimizing Plug LoadsMinimizing Plug LoadsMinimizing Plug LoadsSPECIFY MONITOR & CONTROLSPECIFY MONITOR & CONTROL
Track & display Track & display power drawspower draws
Power off Power off electronics whenelectronics when
Efficient Efficient lighting &lighting & power drawspower draws electronics when electronics when
not in usenot in use
Find the best atFind the best at EFFICIENTPRODUCTS.ORG EFFICIENTPRODUCTS.ORG && TOPTENUSA.ORGTOPTENUSA.ORG
lighting & lighting & appliancesappliances
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Design & build the solutions INTO the homes!Design & build the solutions INTO the homes!
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Opportunity #5: Opportunity #5: pp ypp yPLAN FOR PEOPLEPLAN FOR PEOPLE
Anticipate occupant behavior and Anticipate occupant behavior and
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Anticipate occupant behavior and Anticipate occupant behavior and accommodate it by design. accommodate it by design.
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HOMES: HOMES: DesignDesign
CODE: CODE: OverstepOverstep
QUESTIONS: QUESTIONS: AssumptionsAssumptions
SPECIALIZATION: SPECIALIZATION: TeamworkTeamwork
OCCUPANTS: OCCUPANTS: PlanningPlanning
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What’s in the What’s in the Change ToolkitChange Toolkit??ggNew New MINDSETMINDSET
Revisit design optionsRevisit design optionsMOST
EFFECTIVE
Reconsider materialsReconsider materialsReapply ingenuity and skillsReapply ingenuity and skillsReframe the questionsReframe the questionsReconsider the prioritiesReconsider the prioritiesRV
ENTIONS
Reconsider the prioritiesReconsider the prioritiesNew New PROCESSESPROCESSES
Reinvent collaborationReinvent collaborationRetool trades trainingRetool trades trainingH
ANGE IN
TER
Retool trades trainingRetool trades trainingRestructure approach to energy modelingRestructure approach to energy modeling
New New TOOLSTOOLSUse improved energy modelsUse improved energy modelsVE
NES
S OF C
Use improved energy modelsUse improved energy modelsImplement collaboration Implement collaboration toolstools
New New TECHNOLOGIES TECHNOLOGIES … … maybe?maybe?EFFE
CTIV
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And … COMMITTED LEADERSHIP IS And … COMMITTED LEADERSHIP IS ESSENTIAL!ESSENTIAL!LEAST EFFECTIVE
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Th k !Th k !Thank you!Thank you!Ann EdminsterAnn EdminsterAnn EdminsterAnn Edminster
Design AVEnues LLCDesign AVEnues LLC
650650‐‐355355‐‐91509150
@d ig t@d ig [email protected]@designavenues.net
annedminster.comannedminster.com
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