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!


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


pp

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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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


HOGHOG

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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


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.


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


© Pressmaster | Dreamstime.com © Alexei Averianov| Dreamstime.com

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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


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


cause trouble.cause trouble.© Scott Griessel | Dreamstime.com

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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?


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


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


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

© Meletios Verras| Dreamstime com


© Meletios Verras| Dreamstime.com

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Opportunity #4: Opportunity #4: TEAMWORKTEAMWORK

C i i h i i kC i i h i i k

© Pressmaster | Dreamstime.com

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 /


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


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

© Yuri Arcurs | Dreamstime.com

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


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


creating net zerozero homes...aia a195/b195/a295 standard form of agreement between ownerowner and...

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