The (Proposed) ASHRAEThe (Proposed) ASHRAE Standard · PDF fileThe (Proposed) ASHRAEThe (Proposed) ASHRAE Standard 189.1 ... Chapter 6 Chapter 6 –– Water Use EfficiencyWater Use

The (Proposed) ASHRAEThe (Proposed) ASHRAEThe (Proposed) ASHRAE The (Proposed) ASHRAE Standard 189.1Standard 189.1

HighHigh--Performance, Performance, Green BuildingsGreen BuildingsGreen BuildingsGreen Buildings

Tom Lawrence Ph D P E LEEDTom Lawrence Ph D P E LEED APAPTom Lawrence, Ph.D. P.E., LEEDTom Lawrence, Ph.D. P.E., [email protected]@engr.uga.edu

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This ASHRAE Distinguished Lecturer is brought to you by the Society Chapter Technology Transfer Committee

Introduction and greetings from the Introduction and greetings from the University of GeorgiaUniversity of Georgia

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ASHRAE Standard 189.1ASHRAE Standard 189.1

Overview of proposed ASHRAE Standard Overview of proposed ASHRAE Standard 189 1 for “High189 1 for “High--Performance GreenPerformance Green189.1 for High189.1 for High Performance, Green Performance, Green Buildings”Buildings”

What is it?What is it?-- What is it?What is it?-- Why have it?Why have it?-- Status Status -- Highlights Highlights

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Standard 189.1: IntentStandard 189.1: Intent

What Standard 189.1 is:What Standard 189.1 is:d dd d-- a standarda standard

-- applies to all buildings except lowapplies to all buildings except low--rise residential rise residential buildings (same as ASHRAE Std 90.1)buildings (same as ASHRAE Std 90.1)

-- intended for adoption into model building codesintended for adoption into model building codesp gp g

What Standard 189.1 is not:What Standard 189.1 is not:-- notnot a design guidea design guidenotnot a design guidea design guide-- notnot a rating systema rating system

Even if not adopted by local authorities,Even if not adopted by local authorities, this Standard is an indication of future trends

Sponsors and Project CommitteeSponsors and Project Committee

Consensus processConsensus processSponsor and coSponsor and co--sponsors:sponsors:Sponsor and coSponsor and co--sponsors:sponsors:

-- ASHRAE (American Society of Heating, ASHRAE (American Society of Heating, Refrigeration and Air Conditioning Engineers)Refrigeration and Air Conditioning Engineers)Refrigeration and Air Conditioning Engineers)Refrigeration and Air Conditioning Engineers)

-- USGBC (U.S. Green Building Council)USGBC (U.S. Green Building Council)IESNA (Illuminating Engineering Society ofIESNA (Illuminating Engineering Society of-- IESNA (Illuminating Engineering Society of IESNA (Illuminating Engineering Society of North AmericaNorth America

Project committee:Project committee:Project committee:Project committee:Voting members representVoting members representvariety of disciplinesvariety of disciplines

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variety of disciplines, variety of disciplines, industries & organizationsindustries & organizations

Progress and Status11stst Draft created: June 2006 Draft created: June 2006 –– April 2007April 20074545--Day public review period MayDay public review period May--July ’07July ’07y p p yy p p y yy-- 964 total comments received964 total comments receivedFall 2007 189 1 committee modified for 2Fall 2007 189 1 committee modified for 2ndndFall 2007, 189.1 committee modified for 2Fall 2007, 189.1 committee modified for 2Public Review DraftPublic Review Draft22ndnd public review (Febpublic review (Feb April 2008)April 2008)22ndnd public review (Feb public review (Feb –– April 2008)April 2008)Summer Summer ––Fall 2008 Fall 2008 ––review comments;review comments;Fall 2008 Committee reorganizationFall 2008 Committee reorganization33rdrd public review “soon” May/June 2009?public review “soon” May/June 2009?p y/p y/

Standard 189.1: Relation to Other Standard 189.1: Relation to Other ASHRAE StandardsASHRAE Standards

62.1 (current version)90.1 (current version)90.1 (current version)

Adapt, with modifications

Adapt, with minor

modifications

Adapt

55 (current version)

Adapt

Organization and What it CoversOrganization and What it Covers

Similar to other ASHRAE standards and LEED Similar to other ASHRAE standards and LEED

MandatoryMandatoryPrescriptivePrescriptiveP fP fPerformancePerformance

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and Plans for Operation

Section 2 Section 2 -- PurposePurpose

“The purpose of this standard is to provide “The purpose of this standard is to provide minimum requirements for the minimum requirements for the siting, design, siting, design, qq g gg gconstruction, and plans for operationconstruction, and plans for operation of high of high performance, green buildings to: performance, green buildings to:

(a)(a) balancebalance environmental responsibility, environmental responsibility, resource efficiency, occupant comfort and well resource efficiency, occupant comfort and well being and comm nit sensiti it andbeing and comm nit sensiti it andbeing, and community sensitivity, andbeing, and community sensitivity, and

(b)(b) support the goal of development that support the goal of development that meets the needs of the present withoutmeets the needs of the present withoutmeets the needs of the present without meets the needs of the present without compromisingcompromising the ability of future generations the ability of future generations to meet their own needs. ”to meet their own needs. ”

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to meet their own needs. to meet their own needs.

ProvidesProvides minimumminimum criteria that:criteria that:

Section 2 Section 2 -- ScopeScopeProvides Provides minimum minimum criteria that:criteria that:(a) Apply to (a) Apply to new buildings and major new buildings and major renovation projectsrenovation projects (new portions or new (new portions or new systems)systems)systems).systems).(b) Addresses site sustainability, water and (b) Addresses site sustainability, water and energy efficiency, IEQ the building’s impact on theenergy efficiency, IEQ the building’s impact on theenergy efficiency, IEQ the building s impact on the energy efficiency, IEQ the building s impact on the atmosphere, materials and resources.atmosphere, materials and resources.

Does not apply to:Does not apply to:(a) single(a) single--family residential, multifamily residential, multi--family <3 family <3 stories, manufactured houses (mobile or modular stories, manufactured houses (mobile or modular homes);homes);homes);homes);(b) buildings that do not use electricity, fossil fuel (b) buildings that do not use electricity, fossil fuel or water.or water.

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Goals for Standard 189.1Goals for Standard 189.1

Establish mandatory criteria in all topical Establish mandatory criteria in all topical areasareas::

Provide simple compliance options:Provide simple compliance options:

ComplementComplement greengreen building rating building rating programs:programs:p gp g-- Std 189.1 is Std 189.1 is notnot intended to compete with intended to compete with

green building rating programsgreen building rating programs

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Standard 189.1 Basic StructureStandard 189.1 Basic Structure

x.1: x.1: ScopeScopex 2:x 2: ComplianceCompliance

For Each Section

x.2: x.2: ComplianceCompliancex.3: x.3: Mandatory Mandatory

( i d f ll j t )( i d f ll j t )(required for all projects)(required for all projects)x.4: x.4: Prescriptive Prescriptive optionoption

(‘simple’ option, minimal choices, (‘simple’ option, minimal choices, very few calculations)very few calculations)

x.5: x.5: Performance Performance optionoption(more sophisticated, flexibility, but (more sophisticated, flexibility, but

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( p , y,( p , y,more effort)more effort)

Highlights of Standard 189.1Highlights of Standard 189.1Ch t 5Ch t 5 SitSitChapter 5 Chapter 5 -- Sites: Sites:

Discourages unmitigated sprawlDiscourages unmitigated sprawlProhibited development activityProhibited development activity-- Flood plains, wetlands, fish & wildlife habitatFlood plains, wetlands, fish & wildlife habitatOther areas that are addressed:Other areas that are addressed:-- Amount of impervious surface area Amount of impervious surface area [max % of [max % of

l bl b ]]total site to be impervious total site to be impervious -- PrescriptivePrescriptive]]-- Urban heat island Urban heat island [shaded or higher solar [shaded or higher solar

reflective index materials]reflective index materials]reflective index materials]reflective index materials]-- Light “pollution” limitationsLight “pollution” limitations

[max lumens per site,[max lumens per site,

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[max lumens per site,[max lumens per site,backlight and glare limits]backlight and glare limits]

Chapter 6 Chapter 6 –– Water Use EfficiencyWater Use Efficiency

Mandatory ProvisionsMandatory ProvisionsSite water useSite water use: bio: bio--diverse plantingsdiverse plantingsSite water useSite water use: bio: bio--diverse plantings, diverse plantings, hydrozoning, & smart irrigation controllers hydrozoning, & smart irrigation controllers

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Mandatory ProvisionsMandatory ProvisionsBuilding water useBuilding water use::Building water useBuilding water use: : ((§§6.3.2.1) 6.3.2.1) plumbing fixtures & fittings per plumbing fixtures & fittings per U S EPAU S EPA WaterSenseWaterSense or ASME Standardsor ASME StandardsU.S. EPA U.S. EPA WaterSenseWaterSense or ASME Standardsor ASME Standards((§§6.3.2.2) 6.3.2.2) appliances per U.S. EPA appliances per U.S. EPA EnergyStarEnergyStar with water use factor for publicwith water use factor for publicEnergyStarEnergyStar, with water use factor for public , with water use factor for public access appliancesaccess appliancesW t M t iW t M t iWater MeteringWater Metering[leased space>50,000 ft[leased space>50,000 ft²]²]othe se s>1000 gal/da ]othe se s>1000 gal/da ]

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other users>1000 gal/day]other users>1000 gal/day]


Mandatory Provisions (Cont’d)Mandatory Provisions (Cont’d)HVAC Systems (HVAC Systems (§§6 3 2 3)6 3 2 3)::HVAC Systems (HVAC Systems (§§6.3.2.3)6.3.2.3)::-- Subsystem metering above thresholdsSubsystem metering above thresholds-- Cooling tower cycles of concentration Cooling tower cycles of concentration

limit, efficient drift eliminatorslimit, efficient drift eliminators-- Condensate collection from units > 19 kW Condensate collection from units > 19 kW

(65,000 Btu/hr)(65,000 Btu/hr)( , / )( , / )

Georgia: ~ 12.6 gal/cfm Outdoor air or about 100 liters water/(l/s)

Annual condensate collection

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or about 100 liters water/(l/s)Iowa: ~ 6.1 gal/cfm OASacramento: ~ 1.3 gal/cfm OA

Chapter 6 Chapter 6 –– Water Use EfficiencyWater Use EfficiencyPerformance OptionPerformance Option

Site water use reductionSite water use reduction: : proposed potable water for irrigation proposed potable water for irrigation < 35% of baseline evapotranspiration < 35% of baseline evapotranspiration p pp pBuilding useBuilding use: :

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Proposed use < [mandatory+ prescriptive]Proposed use < [mandatory+ prescriptive]

Highlights for Energy (Chapter 7)Highlights for Energy (Chapter 7)

Energy Energy -- General: General: gygyGoal is 30% less than Standard 90.1Goal is 30% less than Standard 90.1--2007 2007 INCLUDING PROCESS LOADSINCLUDING PROCESS LOADSINCLUDING PROCESS LOADSINCLUDING PROCESS LOADSAppendix G from Standard 90.1 is Appendix G from Standard 90.1 is incorporated as aincorporated as a Normative AppendixNormative Appendixincorporated as a incorporated as a Normative AppendixNormative AppendixMetering for verificationMetering for verificationPeak load reductionPeak load reductionOther areas increase stringency beyond Other areas increase stringency beyond

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g y yg y yStandard 90.1Standard 90.1

ASHRAE Energy GoalsASHRAE Energy Goals

36000Energy Reduction Proposal

410,000 kJ/m²-yrBtu/ft²-yr

kBtu

/yr)

Ene

rgy

(k

Standard 90.1Standard 90.1

E

ASHRAE BOD Goal

AEDGAEDG

Green Buildings Overview, Green Buildings Overview, Standard 189 Standard 189 -- 2020

2010 2015 2020 2025 2030

Year

Standard 189 Standard 189


Mandatory Requirements:Mandatory Requirements:y qy q-- OnOn--site renewable power (site renewable power (§§7.3.2)7.3.2)

Provisions for future installation with Provisions for future installation with minimum rating of 13 Btu/ftminimum rating of 13 Btu/ft² [40 W/m² [40 W/m²]²]x roof area in ftx roof area in ft² [m²]² [m²]E ti f ith l i id t lE ti f ith l i id t lException for areas with low incident solar Exception for areas with low incident solar (4.0 kWh/m(4.0 kWh/m22/day), account local shading/day), account local shading

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Energy Energy –– Mandatory continued: Mandatory continued: Remote or automatic readingRemote or automatic readingRemote or automatic reading Remote or automatic reading measuring devices (measuring devices (§§7.3.3) 7.3.3) criteria based on sizecriteria based on sizecriteria based on sizecriteria based on size-- Energy sources (Table 7.3.3Energy sources (Table 7.3.3--1) 1) -- Key systems (Table 7.3.3Key systems (Table 7.3.3--2)2)Communicate to central recording system Communicate to central recording system g yg y

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Energy Metering ThresholdsEnergy Metering Thresholds

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Prescriptive OptionPrescriptive OptionPrescriptive Option: Renewable EnergyPrescriptive Option: Renewable EnergyPrescriptive Option: Renewable EnergyPrescriptive Option: Renewable Energy-- OnOn--site renewable energy system with site renewable energy system with

“4 “4 kBtukBtu/ft/ft²²‐‐yr [45 MJ/m²yr [45 MJ/m²‐‐yr]”yr]”

Exceptions:Exceptions:-- Low incident solar regions (4.0 kWh/mLow incident solar regions (4.0 kWh/m²/day)²/day)-- Purchase of green power in terms of Purchase of green power in terms of

“75 kWh/ft“75 kWh/ft²² [750 kWh/ ²[750 kWh/ ² ]”]”“75 kWh/ft“75 kWh/ft²²‐‐yr [750 kWh/m²yr [750 kWh/m²‐‐yr]”yr]”

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P i ti O ti (B ildi E l )P i ti O ti (B ildi E l )Highlights for Energy (Chapter 7)Highlights for Energy (Chapter 7)

Prescriptive Option (Building Envelope)Prescriptive Option (Building Envelope)Section 7.4.2 generally has more stringent Section 7.4.2 generally has more stringent

i t f b ildi li t f b ildi lrequirements for building enveloperequirements for building envelopeReplaces Table 5.5Replaces Table 5.5--1 thru 8 on building 1 thru 8 on building

l i 90 1 f ll i 90 1 f l ((§§7 4 2)7 4 2)envelope in 90.1, for example:envelope in 90.1, for example: ((§§7.4.2)7.4.2)

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Highlights for Energy (Chapter 7)Highlights for Energy (Chapter 7)((§§7 4 2)7 4 2)

Prescriptive Option (Building Envelope)Prescriptive Option (Building Envelope)Example comparisons:Example comparisons:

((§§7.4.2)7.4.2)

Example comparisons:Example comparisons:Example:Example:Climate zone 3Climate zone 3 Std 90 1 Std 189 1Std 90 1 Std 189 1

M t i t SHGCM t i t SHGC

Climate zone 3Climate zone 3 Std 90.1 Std 189.1Std 90.1 Std 189.1Insulation above deck RInsulation above deck R--20 20 RR--2525

R=4 4 SIMore stringent SHGCMore stringent SHGCExample for Example for <40<40% window area:% window area:

R=4.4 SI

Climate zone 5Climate zone 5Std. 90.1: 0.40 Std. 90.1: 0.40 Std 189 1 0 35 ll i t tiStd 189 1 0 35 ll i t ti

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Std. 189.1: 0.35 all orientationsStd. 189.1: 0.35 all orientations


Prescriptive Option (Building Envelope)Prescriptive Option (Building Envelope)Vertical fenestrationVertical fenestrationVertical fenestration Vertical fenestration <40% wall area<40% wall area((§§7.4.2.4)7.4.2.4)((§§ ))Overhang: PF > 0.5Overhang: PF > 0.5((§§7.4.2.5) 7.4.2.5) ((§§ ))

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-- Permanent projections: west, east & southPermanent projections: west, east & south-- Climate zones 1Climate zones 1--55

§7.4.3 HVAC

90.1 (current version)

General Concept:Base on Standard 90.1, but

dif t i i d90.1 (current version)

modify to gain improved energy performance over code minimum standards

( )

Adapt, with modifications

code minimum standards

§§7.4.3 HVAC7.4.3 HVAC

Brief mention of modifications to Std. 90.1Brief mention of modifications to Std. 90.1-- §§7 4 3 17 4 3 1 Minimum equipment efficiencyMinimum equipment efficiency§§7.4.3.1 7.4.3.1 Minimum equipment efficiency Minimum equipment efficiency Either use equipment with efficiencies of:Either use equipment with efficiencies of:-- EPActEPAct baselinebaseline →→ more onmore on--site renewable andsite renewable and-- EPActEPAct baseline baseline →→ more onmore on--site renewable and site renewable and

peak load reduction,peak load reduction, OROR-- Higher efficiency levelsHigher efficiency levelsHigher efficiency levelsHigher efficiency levels

Includes new definition of chiller efficiency Includes new definition of chiller efficiency formula from ARI Standard test conditionsformula from ARI Standard test conditions

-- §§7.4.3.2 7.4.3.2 Lowers DCV occupancy thresholdLowers DCV occupancy threshold

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§§7.4.3 HVAC7.4.3 HVAC

Brief mention of modifications to Std. 90.1Brief mention of modifications to Std. 90.1-- §§7 4 3 37 4 3 3 Duct sealing level A everywhereDuct sealing level A everywhere§§7.4.3.3 7.4.3.3 Duct sealing level A everywhereDuct sealing level A everywhere-- §§7.4.3.4 7.4.3.4 Expanded economizer requirementExpanded economizer requirement

§§7 4 3 57 4 3 5 Zone controls for limit on reheatZone controls for limit on reheat

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-- §§7.4.3.5 7.4.3.5 Zone controls for limit on reheatZone controls for limit on reheat-- §§7.4.3.6 7.4.3.6 Fan power limitsFan power limits

§§7.4.3 HVAC7.4.3 HVAC

-- §§7.4.3.7 7.4.3.7 System controls System controls (2 stages for DX > 65,000 Btu/hr, fan power (2 stages for DX > 65,000 Btu/hr, fan power ( g p( g pas reduced flow)as reduced flow)

-- §§7.4.3.8 7.4.3.8 Expand energy recovery Expand energy recovery req’treq’t

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§§7.4.3 HVAC7.4.3 HVAC

-- §§7.4.3.9 7.4.3.9 Kitchen hoods add variable speed Kitchen hoods add variable speed -- §§7.4.3.10 and .117.4.3.10 and .11 Minimum duct and pipeMinimum duct and pipe§§7.4.3.10 and .11 7.4.3.10 and .11 Minimum duct and pipe Minimum duct and pipe

insulation increased (Tables Cinsulation increased (Tables C--9, 10 and 11)9, 10 and 11)-- §§7.4.3.12 7.4.3.12 Unoccupied hotel/motel guest Unoccupied hotel/motel guest §§ p / gp / g

roomsrooms

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Highlights for Energy (Chapter 7)Highlights for Energy (Chapter 7)Prescriptive Option (Other Equipment)Prescriptive Option (Other Equipment)

Service water heating efficiencyService water heating efficiencyPeak load reduction through demand Peak load reduction through demand shifting or limiting measuresshifting or limiting measuresshifting or limiting measuresshifting or limiting measuresLighting power: Lighting power:

90% of Standard 90 190% of Standard 90 1-- 90% of Standard 90.190% of Standard 90.1-- Occupancy sensor controls (offices, meeting Occupancy sensor controls (offices, meeting

rooms Some with multirooms Some with multi--level switching)level switching)rooms. Some with multirooms. Some with multi level switching)level switching)-- DaylightingDaylighting controlscontrols

Condenser heat recovery (supermarket)Condenser heat recovery (supermarket)

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Condenser heat recovery (supermarket)Condenser heat recovery (supermarket)Energy Star equipment when appropriateEnergy Star equipment when appropriate


Performance Based Option:Performance Based Option:Demonstrated equivalent performance in Demonstrated equivalent performance in bothboth energyenergy and and COCO22 equivalentequivalentcompared to if using the Prescriptive pathcompared to if using the Prescriptive path

ProposedProposed ≤≤ Mandatory +Mandatory +Proposed Proposed ≤≤ Mandatory +Mandatory +Prescriptive PathPrescriptive Path

i dii diUsing Appendix D Using Appendix D “Performance Option “Performance Option for Energy Efficiency”for Energy Efficiency”

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for Energy Efficiencyfor Energy Efficiency

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Performance Based Option:Performance Based Option:COCO22 equivalentequivalent compared to building compared to building designed to the Prescriptive pathdesigned to the Prescriptive path

National National (U S )(U S )(U.S.) (U.S.) based based numbersnumbers

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Indoor Environmental QualityIndoor Environmental Quality

Mandatory Key Items to Mandatory Key Items to ASHRAE members: ASHRAE members: -- Outdoor airflowOutdoor airflow-- Tobacco smoke controlTobacco smoke control-- Outdoor air monitoringOutdoor air monitoringgg-- Filtration and air cleaningFiltration and air cleaning

Refers to and modifies

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Indoor Environmental QualityIndoor Environmental Quality§§8.3.1 IAQ8.3.1 IAQ

Minimum ventilation design outdoor airflow Minimum ventilation design outdoor airflow rate per Standard 62.1, using Ventilation rate per Standard 62.1, using Ventilation Rate ProcedureRate ProcedureOutdoor air delivery monitoringOutdoor air delivery monitoring-- VAV systems permanently mounted,VAV systems permanently mounted,

direct outdoor airflow measurementdirect outdoor airflow measurement±±15% of 15% of minimum outdoor airflowminimum outdoor airflowCOCO i i i d ifi i i d if-- COCO22 monitoring instead if system monitoring instead if system serves only densely occupied spaces serves only densely occupied spaces C t t l i l d itiC t t l i l d iti

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-- Constant volume air supply, damper position Constant volume air supply, damper position feedback allowable insteadfeedback allowable instead

Indoor Environmental QualityIndoor Environmental Quality§§8.3.1.2 OA Monitoring (Continued)8.3.1.2 OA Monitoring (Continued)-- COCO22 monitoring for densely occupied spaces monitoring for densely occupied spaces 22 gg

with natural ventilationwith natural ventilation-- Spaces with requirements for COSpaces with requirements for CO22 sensors, sensors,

compute the compute the target concentration target concentration level (used level (used in OA monitoring during operation)in OA monitoring during operation)

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Indoor Environmental QualityIndoor Environmental Quality§§8.3.1.3 Filtration8.3.1.3 Filtration-- (a) Particulates (a) Particulates -- Minimum MERV 8 upstreamMinimum MERV 8 upstream

of cooling coils (revises 62.1).of cooling coils (revises 62.1).MERV 13 when project located in nonMERV 13 when project located in non--tt i t f PMtt i t f PMattainment area for PMattainment area for PM2.52.5

-- (b) Ozone cleaners for outdoor air in building (b) Ozone cleaners for outdoor air in building projects located in nonprojects located in non attainment areasattainment areasprojects located in nonprojects located in non--attainment areas attainment areas (primary and secondary)(primary and secondary)

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§§8.3.1.48.3.1.4E i t l T b S kE i t l T b S kEnvironmental Tobacco Smoke Environmental Tobacco Smoke ControlControl-- No smoking inside, with signageNo smoking inside, with signage-- No smoking within 25 feet of entrance, No smoking within 25 feet of entrance,

d i i k bl i dd i i k bl i doutdoor air intakes or operable windowsoutdoor air intakes or operable windows

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§§8.3.2 8.3.2 Thermal ComfortThermal Comfort-- Comply with ASHRAE Std 55Comply with ASHRAE Std 55

§§8.3.3 8.3.3 Acoustic ControlAcoustic Control-- Comply with ASHRAE Std 55Comply with ASHRAE Std 55

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Other Mandatory:Other Mandatory:DaylightingDaylighting by by toplightingtoplighting for for large open spaceslarge open spacesSoil gas retarder Soil gas retarder ggwhen for areas withwhen for areas withhigh high radon concernsradon concernsgg

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Prescriptive Option (Prescriptive Option (§§8.4)8.4)::Side daylightingSide daylighting-- Offices and classroomsOffices and classrooms-- Minimum effective aperture of windowsMinimum effective aperture of windows-- Minimum visible reflectance of interior Minimum visible reflectance of interior

surfacessurfaces-- Exceptions for ‘dark rooms’,Exceptions for ‘dark rooms’,

facades closely adjacent to facades closely adjacent to other buildingsother buildings

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Prescriptive Option (Cont’dPrescriptive Option (Cont’d))::Office space shading, with projections or Office space shading, with projections or other techniquesother techniquesLow emitting materialsLow emitting materials-- Adhesives and sealantsAdhesives and sealantsAdhesives and sealantsAdhesives and sealants-- Paints and coatingsPaints and coatings-- Floor covering materialsFloor covering materialsFloor covering materialsFloor covering materials-- Composite wood and agrifiber productsComposite wood and agrifiber products

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Performance Option (Performance Option (§§8.5)8.5): : DaylightingDaylighting simulationsimulation-- All regularly occupied spacesAll regularly occupied spacesgg-- Minimum Minimum illuminanceilluminance target: target:

300 300 luxlux (30 (30 fcfc) on work surfaces in 75% of ) on work surfaces in 75% of daylight zonedaylight zonedaylight zone, daylight zone, at noon equinoxat noon equinox

-- Direct sunlight onDirect sunlight on workplaneworkplane < 20% of< 20% ofDirect sunlight on Direct sunlight on workplaneworkplane < 20% of < 20% of occupied hours on equinox dayoccupied hours on equinox day

Modeling to show compliance with Modeling to show compliance with

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g pg pCalifornia CA/DHS/EHLB/RCalifornia CA/DHS/EHLB/R--7174 (low 7174 (low emitting materials)emitting materials)

Building’s Impact on Atmosphere, Building’s Impact on Atmosphere, Materials and Resources (Materials and Resources (§§ 9)9)Materials and Resources (Materials and Resources (§§ 9)9)

Mandatory Items Key to ASHRAE: Mandatory Items Key to ASHRAE: CFC, other refrigerant restrictionsCFC, other refrigerant restrictions-- No CFCsNo CFCs-- Global warming and ozone depletion Global warming and ozone depletion

potential balancepotential balancepp

LCGWP = Life cycle global warmingLCGWP = Life cycle global warmingLCODP = Life cycle ozone depletionLCODP = Life cycle ozone depletion

Units: kg CFC11/kW-yr

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Units: kg CFC11/kW yrlb CFC11/ton-yr


Refrigerant restrictions (Continued): Refrigerant restrictions (Continued):

GWPGWPrr = global warming potential= global warming potential0 to 12 000 kg CO0 to 12 000 kg CO22 / kg refrigerant/ kg refrigerant0 to 12,000 kg CO0 to 12,000 kg CO22 / kg refrigerant/ kg refrigerant

ODPODPrr = ozone depletion potential= ozone depletion potential0 to 0.2 kg CO0 to 0.2 kg CO22 / kg refrigerant/ kg refrigerant

Lr = Leak rateM = End of life refrigerant loss

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Mr = End of life refrigerant lossRc = Charge


Refrigerant restrictions (Continued): Refrigerant restrictions (Continued):

Exception:Exception:Small HVAC units coolersSmall HVAC units coolersSmall HVAC units, coolers Small HVAC units, coolers with < 0.5 lb refrigerant chargewith < 0.5 lb refrigerant charge

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Building’s Impact on Atmosphere, Building’s Impact on Atmosphere, Materials and Resources (Materials and Resources (§§ 9)9)

Life Cycle Assessment (Performance)Life Cycle Assessment (Performance)

Materials and Resources (Materials and Resources (§§ 9)9)

Life Cycle Assessment (Performance)Life Cycle Assessment (Performance)-- Must include operating energy consumptionMust include operating energy consumption

LCA to includeLCA to include allall of these impact categories:of these impact categories:-- LCA to include LCA to include allall of these impact categories: of these impact categories: land use, resource use, climate change, land use, resource use, climate change, ozone layer depletion human healthozone layer depletion human healthozone layer depletion, human health ozone layer depletion, human health effects, effects, ecotoxicityecotoxicity, smog, acidification, , smog, acidification, eutrophicationeutrophicationeutrophicationeutrophication

-- show 5% gain in two categories for the show 5% gain in two categories for the buildingbuildingbuildingbuilding

10 10 -- Construction and Operation PlansConstruction and Operation Plans

All Mandatory Provisions:All Mandatory Provisions:Full commissioning for projectsFull commissioning for projectsFull commissioning for projects Full commissioning for projects > 500 m² (5,000 ft²)> 500 m² (5,000 ft²)

HVAC building envelope lighting irrigationHVAC building envelope lighting irrigation-- HVAC, building envelope, lighting, irrigation, HVAC, building envelope, lighting, irrigation, plumbing, domestic water, renewable energyplumbing, domestic water, renewable energy

Addition of monitoring equipment forAddition of monitoring equipment forAddition of monitoring equipment for Addition of monitoring equipment for measurement and verification, M&V plansmeasurement and verification, M&V plans

t d IAQt d IAQ-- water, energy and IAQwater, energy and IAQ-- M&V plans in placeM&V plans in place

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-- certification of lamp and ballast recyclingcertification of lamp and ballast recycling


IAQ Construction ManagementIAQ Construction Management-- Keep air conveyance materials (duct etc)Keep air conveyance materials (duct etc)Keep air conveyance materials (duct, etc) Keep air conveyance materials (duct, etc)

clean while in storageclean while in storage-- PostPost--construction, preconstruction, pre--occupancy options:occupancy options:PostPost construction, preconstruction, pre occupancy options:occupancy options:1.1. FlushFlush--out (# air changes based on room out (# air changes based on room

volume)volume)o u e)o u e)2.2. IAQ testing, 1 sample point per 25,000 ftIAQ testing, 1 sample point per 25,000 ft² ²

(2,500 m²) or each contiguous floor area.(2,500 m²) or each contiguous floor area.( ) g( ) g

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§§10.3.2 Plans for Operation10.3.2 Plans for OperationSite sustainability (vegetation shading)Site sustainability (vegetation shading)Site sustainability (vegetation shading)Site sustainability (vegetation shading)Water and energy use Water and energy use

ff-- Initial measurement & verificationInitial measurement & verification-- Track and assessTrack and assess

Indoor environmental qualityIndoor environmental quality-- Outdoor airflow measurement and verificationOutdoor airflow measurement and verification-- IAQ: filtration for periods of nonIAQ: filtration for periods of non--attainment attainment

ambient air qualityambient air quality

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-- Green cleaning planGreen cleaning plan


§§10.3.2 Plans for Operation (cont’d)10.3.2 Plans for Operation (cont’d)Maintenance plan for MEP and fireMaintenance plan for MEP and fireMaintenance plan for MEP and fire Maintenance plan for MEP and fire protectionprotectionS i lif l i t t ith O ’S i lif l i t t ith O ’Service life plan, consistent with Owner’s Service life plan, consistent with Owner’s Project RequirementsProject RequirementsTransportation management planTransportation management plan

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Compare Standard 189.1 to LEEDCompare Standard 189.1 to LEED

Std. 189.1:Std. 189.1:-- Improvement in all Improvement in all Voluntary vs. Voluntary vs.

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topical areastopical areas-- Pushes the envelopePushes the envelope

yymandatorymandatory

FURTHER INFORMATIONFURTHER INFORMATION

Information on ASHRAE standards:Information on ASHRAE standards:Information on ASHRAE standards: Information on ASHRAE standards: www.ashrae.orgwww.ashrae.org then follow then follow “Standards”, includes listserv for“Standards”, includes listserv forStandards , includes listserv for Standards , includes listserv for Standard 189.1Standard 189.1

I f ti USGBCI f ti USGBCInformation on USGBC programs:Information on USGBC programs:www.usgbc.orgwww.usgbc.org

Information on IESNA programs:Information on IESNA programs:www.iesna.orgwww.iesna.orggg

Thank you!Thank you!

Comments, questions, concerns, advice …Comments, questions, concerns, advice …

Dr. Tom Lawrence, P.E., LEEDDr. Tom Lawrence, P.E., [email protected]@engr.uga.edu

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Documents

The (Proposed) ASHRAEThe (Proposed) ASHRAE Standard · PDF fileThe (Proposed) ASHRAEThe (Proposed) ASHRAE Standard 189.1 ... Chapter 6 Chapter 6 –– Water Use EfficiencyWater Use