Ashrae Standard 189.1-2009 (1 Hour)

Overview ofOverview ofOverview of Overview of Standard 189.1Standard 189.1--2009 for 2009 for

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] [email protected]

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

Green Buildings Overview, Green Buildings Overview, Standard 189 Standard 189 -- 22

Copyright MaterialsCopyright Materials

Copyright Copyright ©©2009 by the American Society of 2009 by the American Society of Heating, Refrigerating and AirHeating, Refrigerating and Air--Conditioning Conditioning g g gg g g ggEngineers (ASHRAE). All rights reserved.Engineers (ASHRAE). All rights reserved.

No part of this presentation may be reproduced No part of this presentation may be reproduced without written permission from ASHRAE, nor without written permission from ASHRAE, nor may any part of this presentation be may any part of this presentation be reproduced, stored in a retrieval system or reproduced, stored in a retrieval system or transmitted in any form or by any meanstransmitted in any form or by any meanstransmitted in any form or by any means transmitted in any form or by any means (electronic, photocopying, recording or other) (electronic, photocopying, recording or other) without written permission from ASHRAE.without written permission from ASHRAE.without written permission from ASHRAE.without written permission from ASHRAE.

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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?

Hi hli htHi hli ht-- Highlights Highlights

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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, Refrigerating and AirRefrigerating and Air--Conditioning Engineers)Conditioning Engineers)Refrigerating and AirRefrigerating and Air Conditioning Engineers)Conditioning Engineers)

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

North America)North America)

Project committee:Project committee:Project committee:Project committee:35 voting members;35 voting members;variety of disciplines,variety of disciplines,

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

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

Standard 189.1: Relation Standard 189.1: Relation totoOtherOther ASHRAE StandardsASHRAE StandardsOther Other ASHRAE StandardsASHRAE Standards

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

Adapt, with modifications

AdaptAdapt, with minor

modifications

Adapt

55 (current version)

Adapt

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 sitingsiting, design, , design, qq gg ggconstruction, 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 needsto meet their own needs.”.”

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to meet their own needsto meet their own needs..

Organization and What it CoversOrganization and What it CoversSi il h ASHRAE d d d LEEDSi il h ASHRAE d d d LEEDSimilar to other ASHRAE standards and LEED Similar to other ASHRAE standards and LEED

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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 pathpath

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

x.5: x.5: Performance Performance pathpath(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 plantings fordiverse plantings forSite water useSite water use: bio: bio--diverse plantings for diverse plantings for 60% of improved landscape, 60% of improved landscape, hydrozoninghydrozoning& smart irrigation controllers& smart irrigation controllers& smart irrigation controllers & 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 Standards, or ASME Standards, with specific limit on flow amount or ratewith specific limit on flow amount or rate((§§6 3 2 2)6 3 2 2) appliances per U S EPAappliances per U S EPA((§§6.3.2.2) 6.3.2.2) appliances per U.S. EPA appliances per U.S. EPA EnergyStarEnergyStar, with water use factor for , with water use factor for dwelling unit or public accessdwelling unit or public accessdwelling unit or public accessdwelling unit or public access

1313


Mandatory Provisions (Mandatory Provisions (contcont.).)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/h)(65,000 Btu/h)( , / )( , / )

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


Mandatory Provisions (Mandatory Provisions (contcont.).)Roofs (Roofs (§§6 3 2 4)6 3 2 4)::Roofs (Roofs (§§6.3.2.4)6.3.2.4)::-- NO potable water spray on roofs for thermal NO potable water spray on roofs for thermal

conditioning or watering vegetationconditioning or watering vegetationconditioning or watering vegetationconditioning or watering vegetation

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Mandatory Provisions (Mandatory Provisions (contcont.).)Consumption measurementConsumption measurement::Consumption measurementConsumption measurement: : Measurement devices with remote Measurement devices with remote communication to data management systemcommunication to data management systemcommunication to data management system communication to data management system (with storage and retrieval capability)(with storage and retrieval capability)

Leased spaces totaling 50 000 ftLeased spaces totaling 50 000 ft²² (5000 m(5000 m²²))-- Leased spaces totaling 50,000 ftLeased spaces totaling 50,000 ft² ² (5000 m(5000 m²²))-- Heavy use (> 1000 gal/day) leased areas Heavy use (> 1000 gal/day) leased areas

regardless of size (e g laundry)regardless of size (e g laundry)regardless of size (e.g., laundry) regardless of size (e.g., laundry)

Metering of water source(s) and primary Metering of water source(s) and primary water use systems above threshold use ratewater use systems above threshold use rate

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water use systems above threshold use ratewater use systems above threshold use rate


MeteringMetering

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Prescriptive OptionPrescriptive OptionSite Water Use (Site Water Use (§§6.4.1)6.4.1)::((§§ ))-- Limitations on potable water for irrigationLimitations on potable water for irrigation

Maximum of 1/3 of total landscaped areaMaximum of 1/3 of total landscaped areaMaximum of 1/3 of total landscaped area Maximum of 1/3 of total landscaped area (except golf courses, no potable water use)(except golf courses, no potable water use)Can exclude dedicated athletic fields forCan exclude dedicated athletic fields forCan exclude dedicated athletic fields for Can exclude dedicated athletic fields for schools, residential common areas, public schools, residential common areas, public recreation facilitiesrecreation facilities

Allow for plant establishment Allow for plant establishment periodperiod

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Use municipal reclaimed water Use municipal reclaimed water if available within 200 ftif available within 200 ft


Prescriptive OptionPrescriptive OptionBuilding Water Use (Building Water Use (§§6.4.2)6.4.2)::g (g (§§ ))-- Cooling TowersCooling Towers Based on water quality

Makeup Water >200 mg/l hardness

YESYES NONO3½ cycles for water 5 cycles for water

Exception:Exception: MaximumMaximum blowdownblowdownException:Exception: Maximum Maximum blowdownblowdownconcentration of 1,500 mg/l total concentration of 1,500 mg/l total dissolved solids dissolved solids or or 150 mg/l silica150 mg/l silica

1919


Performance OptionPerformance OptionSite water use reductionSite water use reduction: : Potable water for irrigation Potable water for irrigation <35% of landscape water demand (based <35% of landscape water demand (based p (p (on on EtoEto) ) Building useBuilding use::Building useBuilding use: :

2020

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

Energy Energy –– Chapter 7Chapter 7

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

Energy Energy –– General Highlights: General Highlights: gygy g gg gBasic goal 30% lower than Standard 90.1Basic goal 30% lower than Standard 90.1--20072007 INCLUDING PROCESSINCLUDING PROCESS2007 2007 INCLUDING PROCESSINCLUDING PROCESSAppendix 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

2222

g y yg y yStandard 90.1Standard 90.1

ASHRAE Energy GoalsASHRAE Energy Goals

ASHRAE goal to have netASHRAE goal to have net--zero energy and zero energy and carbon by 2030carbon by 2030carbon by 2030carbon by 2030

36000Energy Reduction Proposal

yr)

ner

gy

(kB

tu/y

Standard 90.1Standard 90.1

En

ASHRAE BOD Goal

Standard 189Standard 189

AEDGAEDG

2323

2010 2015 2020 2025 2030

Year

Standard 189 Standard 189

General Compliance Path(s)General Compliance Path(s)

2424


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 3.7 W/ftminimum rating of 3.7 W/ft² (² (13 Btu/hr13 Btu/hr--ftft²) ²) [40 W/m[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), /day), account for local shadingaccount for local shading

2525

2626


Energy Energy –– Mandatory (Mandatory (contcont.): .): Remote or automatic reading metersRemote or automatic reading metersRemote or automatic reading meters Remote or automatic reading meters ((§§7.3.3) 7.3.3) criteria based on sizecriteria based on size

E (T bl 7 3 3E (T bl 7 3 3 1)1)-- 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)Meters communicate to central recording Meters communicate to central recording system system yyData storage for minimum 36 monthsData storage for minimum 36 months

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Exception: Residential portions of buildings complying with this Standard

Energy Metering ThresholdsEnergy Metering Thresholds

2828


Prescriptive Option (General)Prescriptive Option (General)From DOE StudyFrom DOE StudyFrom DOE Study From DOE Study ––Std. 189.1 30.2% lower thanStd. 189.1 30.2% lower thanStandard 90 1Standard 90 1 20072007Standard 90.1Standard 90.1--20072007(9% due to (9% due to renewablesrenewables) ) Average EUI 50Average EUI 50 kBtukBtu/ft/ft²²Average EUI = 50 Average EUI = 50 kBtukBtu/ft/ft²²Standard 189.1 builds Standard 189.1 builds fffrom 90.1from 90.1--2007… 2007…

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· Higher in heating dominated climates· 9% from renewable energy

3030


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

“6“6 kBtukBtu/ft/ft²² [20 kWh/ ²[20 kWh/ ² ]”]”“6 “6 kBtukBtu/ft/ft²²‐‐yr [20 kWh/m²yr [20 kWh/m²‐‐yr]”yr]”

Exception (meet both of these):Exception (meet both of these):-- Low incident solar regions (4.0 kWh/mLow incident solar regions (4.0 kWh/m²/day) ²/day)

or account for local buildings, topographyor account for local buildings, topographyP h f i fP h f i f-- Purchase of green power in terms of Purchase of green power in terms of “7 kWh/ft²“7 kWh/ft²--yr [75 kWh/m²yr [75 kWh/m²--yr]” annually until yr]” annually until cumulative purchase of 70 kWh/ft²cumulative purchase of 70 kWh/ft²--yryr

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cumulative purchase of 70 kWh/ft²cumulative purchase of 70 kWh/ft²--yr yr [750 kWh/m²[750 kWh/m²--yr]yr]

P i i O i (B ildi E l )P i i O i (B ildi E l )

Highlights for Energy (Chapter 7)Highlights for Energy (Chapter 7)Prescriptive Option (Building Envelope)Prescriptive Option (Building Envelope)

Comply with Standard 90.1, Section 5 with Comply with Standard 90.1, Section 5 with difi tidifi timodifications …modifications …

Replaces Table 5.5Replaces Table 5.5--1 thru 8 on building envelope 1 thru 8 on building envelope in 90 1 for example:in 90 1 for example: ((§§7 4 2)7 4 2)in 90.1, for example:in 90.1, for example: ((§§7.4.2)7.4.2)

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Climate ZonesClimate Zones

3333

Corresponding InternationalCorresponding International

3434

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=3 5 (SI) R=4 4More stringent SHGCMore stringent SHGCExample for <40% window area:Example for <40% window area:

R=3.5 (SI) R=4.4

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

3535

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% gross wall area<40% gross 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) ((§§ ))

Exception for cases with <250cases with <250 hours per year direct sunlight

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


Prescriptive Option (Building Envelope)Prescriptive Option (Building Envelope)SHGC MultipliersSHGC MultipliersSHGC MultipliersSHGC Multipliers(different than Std 90.1)(different than Std 90.1)((§§7 4 2 6)7 4 2 6)((§§7.4.2.6)7.4.2.6)

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Prescriptive Option (Building Envelope)Prescriptive Option (Building Envelope)Fenestration area and SHGC complies withFenestration area and SHGC complies withpp((§§7.4.2.9)7.4.2.9)

ExceptionExceptionBuildings Buildings

adjacent to adjacent to or shaded by or shaded by otherotherotherotherbbuildingsuildings

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Prescriptive Option (Building Envelope)Prescriptive Option (Building Envelope)Continuous air barrier requirementContinuous air barrier requirementContinuous air barrier requirementContinuous air barrier requirement((§§7.4.2 10)7.4.2 10)Complies with Normative Appendix B toComplies with Normative Appendix B toComplies with Normative Appendix B to Complies with Normative Appendix B to control air leakage in and out control air leakage in and out D t il d t ti d tD t il d t ti d tDetailed on construction documentsDetailed on construction documentsNot required for semiNot required for semi--heated spaces that heated spaces that comply with Std. 90.1 Section 5.4.3.1 comply with Std. 90.1 Section 5.4.3.1 (defines areas of envelope to be sealed, caulked, (defines areas of envelope to be sealed, caulked,

k t dk t d thth t i d)t i d)

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gasketedgasketed or weatheror weather--stripped) stripped)

§§7.4.3 HVAC7.4.3 HVAC

90.1 (current version)

General Concept:Based on Standard 90.1, but modify to gain improved90.1 (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, ORpeak load reduction, OR-- Higher efficiency levelsHigher efficiency levelsHigher efficiency levelsHigher efficiency levels

Greater of the efficiency per Energy Star (if Greater of the efficiency per Energy Star (if applicable) or Tables C 1applicable) or Tables C 1--15. 15. pp )pp )Includes new definition of chiller efficiency Includes new definition of chiller efficiency

formula from ARI Standard test conditionsformula from ARI Standard test conditions

4141

§§7.4.3 HVAC7.4.3 HVAC

§§7.4.3.2 7.4.3.2 Lowers occupancy threshold for Lowers occupancy threshold for demanddemand--controlled ventilation (DCV)controlled ventilation (DCV)

90.1 (current version)90.1 (current version)

Standard 90 1 2007: 40 people/100 m²

25 people/ 100 m²

Standard 90.1-2007: 40 people/100 m² and area >50 m²

25 people/ 100 m

If with CO2 sensors, install per §8.3.1.2.3p §

Note: Type of DCV used is not specified in

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used is not specified in Std. 189.1

§§7.4.3 HVAC7.4.3 HVAC

§§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 Expanded economizer requirementrequirement Standard 90 1requirementrequirement Standard 90.1

- Exempted 3A and 4A- Capacity > 65,000 Btu/h

(19 kW)(19 kW)

-- Rooftop units <5 tons: two stage (first stage Rooftop units <5 tons: two stage (first stage economizer then second stage adds mechanical)economizer then second stage adds mechanical)

4343

-- VAV supply air temp reset by at least 5VAV supply air temp reset by at least 5º F (3º C)º F (3º C)

§§7.4.3 HVAC 7.4.3 HVAC

More on EconomizersMore on EconomizersLi it t t l it f t ith tLi it t t l it f t ith t-- Limits on total capacity of systems without Limits on total capacity of systems without economizerseconomizers If req’d, max. capacity without economizer

= 480,000 Btu/h or 140 kW

-- Less flexibility on high limit shutoff controlLess flexibility on high limit shutoff control

4444

§§7.4.3 HVAC7.4.3 HVAC

§§7.4.3.4 7.4.3.4 Expanded economizer Expanded economizer req’treq’t-- Exceptions:Exceptions:

Based on IEER part-load efficiency, or full load EER / SEERExceptions:Exceptions: or full load EER / SEER

Water cooled units with heat transferred with Water cooled units with heat transferred with building (waterbuilding (water source heat pumps) and lesssource heat pumps) and lessbuilding (waterbuilding (water--source heat pumps) and less source heat pumps) and less than 54,000 Btu/hr (16 kW) capacitythan 54,000 Btu/hr (16 kW) capacity

4545

§§7.4.3 HVAC7.4.3 HVAC

§§7.4.3.5 7.4.3.5 Zone controls for limit on reheatZone controls for limit on reheat-- Volume reheated reVolume reheated re--cooled or remixed not tocooled or remixed not toVolume reheated, reVolume reheated, re cooled or remixed not to cooled or remixed not to

exceed exceed design OA flow ratedesign OA flow rate or 15% of total or 15% of total peak supplypeak supplyp pp yp pp y

§§7.4.3.6 7.4.3.6 Fan power limitsFan power limits- 10%

4646

§§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/h (19 kW)2 stages for DX >65 000 Btu/h (19 kW)-- 2 stages for DX >65,000 Btu/h (19 kW), 2 stages for DX >65,000 Btu/h (19 kW), -- Air handling or fan coil units with CHW Air handling or fan coil units with CHW

il d >5 h (3 7 kW) t hil d >5 h (3 7 kW) t hcoils and >5 hp (3.7 kW) motor have coils and >5 hp (3.7 kW) motor have reduced fan speed optionreduced fan speed option

1.1. ½ of full fan speed½ of full fan speed2.2. Volume of outdoor air per Std. 62.1Volume of outdoor air per Std. 62.1pp

-- Single zone, DX units > 110,000 Btu/hr Single zone, DX units > 110,000 Btu/hr (32 kW) supply fans 2(32 kW) supply fans 2--speed or VSDspeed or VSD

4747

(32 kW) supply fans 2(32 kW) supply fans 2 speed or VSDspeed or VSD

§§7.4.3 HVAC7.4.3 HVAC

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

-- 60% energy recovery effectiveness (enthalpy)60% energy recovery effectiveness (enthalpy)Provisions to bypass to allow air economizingProvisions to bypass to allow air economizing

4848

-- Provisions to bypass to allow air economizingProvisions to bypass to allow air economizing

§§7.4.3 HVAC7.4.3 HVAC

§§7.4.3.9 7.4.3.9 Kitchen hoods add variable Kitchen hoods add variable speedspeed (significant impact on energy)(significant impact on energy)speed speed (significant impact on energy)(significant impact on energy)§§7.4.3.10 and .11 7.4.3.10 and .11 Minimum duct and Minimum duct and pipe insulation increased (Tables Cpipe insulation increased (Tables C--9, 9, 10 and 11)10 and 11)))§§7.4.3.12 7.4.3.12 Unoccupied hotel/motel Unoccupied hotel/motel >50 guest rooms>50 guest rooms>50 guest rooms>50 guest rooms

4949


Prescriptive Option (Prescriptive Option (contcont.).)§§7 4 57 4 5 PowerPower§§7.4.57.4.5 PowerPower-- Peak load reductionPeak load reduction

Reduce peak capacity of the buildingReduce peak capacity of the buildingReduce peak capacity of the building Reduce peak capacity of the building through demandthrough demand--limiting or load limiting or load shifting measures (5%)shifting measures (5%)g ( )g ( )

5050


Prescriptive Option (Lighting)Prescriptive Option (Lighting)Interior lighting power to be 10% lessInterior lighting power to be 10% lessInterior lighting power to be 10% less Interior lighting power to be 10% less than ASHRAE Standard 90.1 than ASHRAE Standard 90.1 ((§§7 4 6 1)7 4 6 1)((§§7.4.6.1)7.4.6.1)Occupancy sensor controls Occupancy sensor controls ((§§7 4 6 2)7 4 6 2)((§§7.4.6.2)7.4.6.2)-- Offices <250 ftOffices <250 ft² (25 m² (25 m²)²)

-- Classrooms, lecture, training,Classrooms, lecture, training,conference or meeting roomsconference or meeting rooms(<1000(<1000 ftft² or 100 m² or 100 m²²))

5151

(<1000 (<1000 ftft² or 100 m² or 100 m²²))


Prescriptive Option (Lighting)Prescriptive Option (Lighting)((§§7 4 6 3)7 4 6 3) Occupancy sensor control toOccupancy sensor control to((§§7.4.6.3) 7.4.6.3) Occupancy sensor control to Occupancy sensor control to reduce power to <50% for:reduce power to <50% for:

Hotel motel hallwaysHotel motel hallways-- Hotel, motel hallwaysHotel, motel hallways-- Storage stack aislesStorage stack aisles

Lib t kLib t k-- Library stacksLibrary stacksException: HID lit areas Exception: HID lit areas

< 0 8 W/ft< 0 8 W/ft² or 8 W/m²² or 8 W/m²< 0.8 W/ft< 0.8 W/ft² or 8 W/m²² or 8 W/m²

Egress lighting control, Egress lighting control, 0 1 W/ft0 1 W/ft22 (1 W/(1 W/ ²²))

5252

< 0.1 W/ft< 0.1 W/ft22 (1 W/m(1 W/m²²) ) Additional allowed if w/ auto shutAdditional allowed if w/ auto shut--off off


Prescriptive Option (Lighting)Prescriptive Option (Lighting)AutoAuto--controls for daylight zonescontrols for daylight zonesAutoAuto--controls for daylight zones,controls for daylight zones,outdoor lighting outdoor lighting ((§§7.4.6.5)7.4.6.5)

Continuous dimming orContinuous dimming or-- Continuous dimming, orContinuous dimming, or-- Stepped switching with Stepped switching with

autoauto offoffautoauto--offoff

5353


§§7.5 7.5 Performance Based Option:Performance Based Option:Demonstrated equivalent performance in Demonstrated equivalent performance in bothboth energy costenergy cost 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 i dii i diUsing Normative Appendix D Using Normative Appendix D “Performance Option for Energy “Performance Option for Energy Efficiency”Efficiency”

5454

EfficiencyEfficiency


Performance Based Option:Performance Based Option:§§7.5.47.5.4 Annual Load Factor/Annual Load Factor/

Peak Electric DemandPeak Electric DemandSame or less peak electric demand as if Same or less peak electric demand as if following the prescriptive pathfollowing the prescriptive pathg p p pg p p pMinimum annual electrical load factor Minimum annual electrical load factor of 0 25of 0 25of 0.25of 0.25

5555

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-- Permanently mounted, 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


§§8.3.1.3 Filtration8.3.1.3 Filtration-- (a) Particulates (a) Particulates -- Minimum Minimum MERV 8MERV 8 upstreamupstream

of cooling coils, of cooling coils, MERV 13 MERV 13 when project located when project located in “nonin “non--attainment” area for PMattainment” area for PM2.52.5

( d f d h d( d f d h d ))(Modifies and strengthens Std. 62.1 (Modifies and strengthens Std. 62.1 §§6.2.1.1)6.2.1.1)

-- (b) Ozone cleaners for outdoor air in building (b) Ozone cleaners for outdoor air in building projects located in nonprojects located in non attainment areas forattainment areas forprojects located in nonprojects located in non--attainment areas for attainment areas for ozone. ozone. (Ozone removal efficiency = 40%, per Std. (Ozone removal efficiency = 40%, per Std. 62.162.1 §§6.2.1.2)6.2.1.2)62.1 62.1 §§6.2.1.2)6.2.1.2)

-- (c) Filter frames, air cleaner racks, access (c) Filter frames, air cleaner racks, access doors sealed to eliminate bypass pathwaysdoors sealed to eliminate bypass pathways

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yp p yyp p y


§§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 (7.5 m) of No smoking within 25 feet (7.5 m) of

d i i kd i i kentrance, outdoor air intakes or entrance, outdoor air intakes or operable windowsoperable windows

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Indoor Environmental QualityIndoor Environmental QualityOth M d tOth M d tOther Mandatory: Other Mandatory:

Thermal ComfortThermal Comfort-- Comply with Comply with Std. 55Std. 55

Sections 6.1 and 6.2Sections 6.1 and 6.2(D i d(D i d(Design and (Design and Documentation)Documentation)

M t t tM t t tMat systems at Mat systems at building entrancesbuilding entrancesEnvelop acoustical Envelop acoustical design (design (soundsound

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transmission rating transmission rating criteria)criteria)

Indoor Environmental QualityIndoor Environmental QualityPrescriptive Option (Prescriptive Option (§§8.4)8.4)::

Side daylightingSide daylightingOffice space shading (glare)Office space shading (glare)Low emitting materialsLow emitting materialsLow emitting materialsLow emitting materials

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Performance Option (Performance Option (§§8.5)8.5): : DaylightingDaylighting simulationsimulation-- Office space and classroomsOffice space and classrooms-- Minimum Minimum illuminanceilluminance target: target:

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

Direct sun limitation on office Direct sun limitation on office worksurfaceworksurfaceDi t li htDi t li ht k fk f <20% f<20% fDirect sunlight on Direct sunlight on worksurfaceworksurface <20% of <20% of occupied hours on equinox dayoccupied hours on equinox day((worksurfaceworksurface = 2.4 feet [0.75 m] above floor)= 2.4 feet [0.75 m] above floor)

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((worksurfaceworksurface 2.4 feet [0.75 m] above floor) 2.4 feet [0.75 m] above floor)


Performance Option (Performance Option (§§8.5)8.5): : Modeling for individual VOC concentrations Modeling for individual VOC concentrations for each material used, sum total to show for each material used, sum total to show compliance with California compliance with California CA/DHS/EHLB/RCA/DHS/EHLB/R--7174 (CA Section 1350)7174 (CA Section 1350)

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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: Construction waste managementConstruction waste management-- Divert 50% of nonDivert 50% of non--hazardous waste, hazardous waste,

demolition debris (not counting soil, land demolition debris (not counting soil, land clearing)clearing)

-- OffOff--site storage and sortingsite storage and sortingis allowedis allowedLi it t t l tLi it t t l t-- Limit on total waste Limit on total waste generated per floor areagenerated per floor area

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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: No CFCs; fire suppression systems No CFCs; fire suppression systems contain no ozone depleting contain no ozone depleting p gp gsubstances (CFCs, HCFCs , substances (CFCs, HCFCs , HalonsHalons))

Storage collection ofStorage collection ofStorage, collection of Storage, collection of recyclable materials, recyclable materials, discarded fluorescentdiscarded fluorescentdiscarded fluorescent discarded fluorescent lamps and ballastslamps and ballasts

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Construction and Operation PlansConstruction and Operation PlansOVERVIEWOVERVIEWOVERVIEWOVERVIEW

All Mandatory Provisions:All Mandatory Provisions:§§10 3 1 Construction10 3 1 Construction§§10.3.1 Construction10.3.1 Construction§§10.3.2 Plans for Operation 10.3.2 Plans for Operation

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Construction and Operation PlansConstruction and Operation PlansOVERVIEWOVERVIEW

§§10.3.1 Construction10.3.1 Construction

OVERVIEWOVERVIEW

Building acceptance testingBuilding acceptance testingCommissioningCommissioningggErosion and sediment controlErosion and sediment controlIndoor air qualityIndoor air qualityIndoor air qualityIndoor air qualityMoisture controlMoisture controlConstruction vehiclesConstruction vehicles

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Requirements Concerning Requirements Concerning ConstructionConstructionConstructionConstruction

§§10.3.1.1 Building Acceptance Testing10.3.1.1 Building Acceptance TestingActivities prior to permit, and prior to Activities prior to permit, and prior to occupancyoccupancyp yp yDesignate representative to overseeDesignate representative to overseeConstruction documents indicate who doesConstruction documents indicate who doesConstruction documents indicate who does Construction documents indicate who does whatwhatM h i l t li htiM h i l t li htiMechanical systems, lighting, Mechanical systems, lighting, renewable energy, energy & renewable energy, energy &

t d it d i

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water measure deviceswater measure devices

Construction Requirements (Construction Requirements (contcont.).)§§10.3.1.2 Building Project 10.3.1.2 Building Project

CommissioningCommissioningggFull commissioning for Full commissioning for >500 m² (5,000 ft²)>500 m² (5,000 ft²)>500 m (5,000 ft )>500 m (5,000 ft )-- HVAC, building envelope, lighting, irrigation, HVAC, building envelope, lighting, irrigation,

plumbing, domestic water, renewable energyplumbing, domestic water, renewable energyplumbing, domestic water, renewable energyplumbing, domestic water, renewable energy

Designate Designate CxACxADevelop OPR and Basis of DesignDevelop OPR and Basis of Design

Doing full Cxprocess also Develop OPR and Basis of DesignDevelop OPR and Basis of Design

Design reviews at 50% and ‘final’ Design reviews at 50% and ‘final’

psatisfies the Building Acceptance

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construction documentsconstruction documents Test requirements

Construction Requirements (Construction Requirements (contcont.).)§§10.3.1.4 IAQ Construction Mgmt10.3.1.4 IAQ Construction Mgmt

Develop and implement an IAQDevelop and implement an IAQDevelop and implement an IAQ Develop and implement an IAQ Construction Management Plan, to include:Construction Management Plan, to include:-- Air conveyance materialsAir conveyance materials-- Air conveyance materialsAir conveyance materials-- Permanent HVAC not used during construction, Permanent HVAC not used during construction,

except for startup testingexcept for startup testingexcept for startup testingexcept for startup testing-- FlushFlush--out out oror baseline IAQ monitoringbaseline IAQ monitoring

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Construction Requirements (Construction Requirements (contcont.).)IAQ Construction Management IAQ Construction Management

PostPost--construction preconstruction pre--occupancyoccupancyPostPost construction, preconstruction, pre occupancy occupancy 1.1. FlushFlush--out: Temp >60out: Temp >60º F (15 C), RH ≤60%º F (15 C), RH ≤60%

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Filtration if Air Quality Forecast >100Filtration if Air Quality Forecast >100Occupancy at ‘½ flush’ possibleOccupancy at ‘½ flush’ possible

Construction Requirements (Construction Requirements (contcont.).)IAQ Construction Management IAQ Construction Management

PostPost--construction preconstruction pre--occupancyoccupancyPostPost construction, preconstruction, pre occupancy occupancy 1.1. FlushFlush--out: Temp >60out: Temp >60º F (15º F (15°° C)C), RH ≤60%, RH ≤60%

2.2. Baseline IAQ Monitoring for 34 contaminants Baseline IAQ Monitoring for 34 contaminants (next slide sample list)(next slide sample list)(next slide sample list)(next slide sample list)1 sample point per 25,000 ft1 sample point per 25,000 ft² (2,500 m²) or ² (2,500 m²) or each contiguous floor areaeach contiguous floor areaeach contiguous floor areaeach contiguous floor area

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§§10.3.2 Plans for Operation10.3.2 Plans for Operation

1.1. High Performance Building OperationHigh Performance Building Operation-- Site SustainabilitySite Sustainability-- Water Use EfficiencyWater Use Efficiency-- Energy EfficiencyEnergy Efficiency-- Indoor Environmental QualityIndoor Environmental QualityQ yQ y

2.2. MaintenanceMaintenance33 Service LifeService Life3.3. Service LifeService Life4.4. Transportation ManagementTransportation Management

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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

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topical areastopical areas-- Pushes the envelopePushes the envelope

Voluntary vs. Voluntary vs. mandatorymandatory

More InformationMore Information

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

Information on USGBC programs:Information on USGBC programs:bbwww.usgbc.orgwww.usgbc.org

Information on IESNA programs:Information on IESNA programs:p gp gwww.iesna.orgwww.iesna.org

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

Ashrae Standard 189.1-2009 (1 Hour)