2010 California Energy Code

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2010California

EnergyCodeCalifornia Code of RegulationsCalifornia Code of RegulationsTitle 24, Part 6Title 24, Part 6

California BuildingCalifornia BuildingStandards CommissionStandards Commission

EFFECTIVE DATE: January 1, 2011EFFECTIVE DATE: January 1, 2011(For Errata and supplements, See History Note Appendix)Public Domain:Public Domain: U.S. Court of Appeals, Fifth Circuit, 99-40632

2010 CALIFORNIA ENERGY COD
http://bulk.resource.org/courts.gov/c/F3/293/293.F3d.791.99-40632.htmlhttp://www.bsc.ca.gov/http://bulk.resource.org/courts.gov/c/F3/293/293.F3d.791.99-40632.htmlhttp://creativecommons.org/publicdomain/mark/1.0/


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2010 California Energy CodeCalifornia Code of Regulations, Title 24, Part 6

First Printing: March 2010

ISBN 978-1-58001-976-7

Published by

International Code CouncilInternational Code Council500 New Jersey Avenue, NW, 6th Floor

Washington, D.C. 200011-888-422-7233

COPYRIGHT 2010

held by

California Building Standards CommissionCalifornia Building Standards Commission2525 Natomas Park Drive, Suite 130Sacramento, California 95833-2936

PRINTED IN THE U.S.A.

2010 CALIFORNIA ENERGY CODE

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PREFACEPREFACE

This document is the 6th of 12 parts of the official triennial compilation and publication of the adoptions, amendments and repeal ofadministrative regulations to California Code of Regulations, Title 24, also referred to as the California Building Standards Code. Thispart is known as the California Energy Code.

The California Building Standards Code is published in its entirety every three years by order of the California legislature, withsupplements published in intervening years. The California legislature delegated authority to various state agencies, boards, commissionand departments to create building regulations to implement the States statutes. These building regulations, or standards, have the sameforce of law, and take effect 180 days after their publication unless otherwise stipulated. The California Building Standards Code applieto occupancies in the State of California as annotated.

A city, county, or city and county may establish more restrictive building standards reasonably necessary because of local climatic,geological or topographical conditions. Findings of the local condition(s) and the adopted local building standard(s) must be filed with thCalifornia Building Standards Commission to become effective and may not be effective sooner than the effective date of this edition ofthe California Building Standards Code. Local building standards that were adopted and applicable to previous editions of the CaliforniBuilding Standards Code do not apply to this edition without appropriate adoption and the required filing.

Should you find publication (e.g., typographical) errors or inconsistencies in this code or wish code or wish to offer comments towardimproving its format, please address your comments to:

California Building Standards Commission2525 Natomas Park Drive, Suite 130

Sacramento, CA 95833-2936

Phone: (916) 263-0916Fax: (916) 263-0959

Web Page: www.bsc.ca.gov

For questions on California state agency amendments, please refer to the contact list on page v.

http://www.bsc.ca.gov/http://www.bsc.ca.gov/


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CALIFORNIA CODE OF REGULATIONS, TITLE 24CALIFORNIA CODE OF REGULATIONS, TITLE 24California Agency Information Contact ListCalifornia Agency Information Contact List

California Energy CommissionCalifornia Energy CommissionEnergy Hotline (800) 772-3300

or (916)654-5106

Building Efficiency StandardsAppliance Efficiency StandardsCompliance Manual/Forms

California State Lands CommissionCalifornia State Lands CommissionMarine Oil Terminals (562) 499-6317California State LibraryCalifornia State LibraryResources and Information (916) 654-0261Government Publication Section (916) 654-0069Corrections Standards AuthorityCorrections Standards AuthorityLocal Adult Jail Standards (916) 324-1914Local Juvenile Facility Standards (916) 324-1914Department of Consumer AffairsAcupuncture BoardDepartment of Consumer AffairsAcupuncture BoardOffice Standards (916) 445-3021Department of Consumer AffairsBoard of PharmacyDepartment of Consumer AffairsBoard of PharmacyPharmacy Standards (916) 574-7900Department of Consumer AffairsBureau of Barbering and CosmetologyDepartment of Consumer AffairsBureau of Barbering and CosmetologyBarber and Beauty Shop and (916) 574-7570College Standards (800) 952-5210Department of Consumer AffairsBureau of Home Furnishings and Ther-Department of Consumer AffairsBureau of Home Furnishings and Ther-mal Insulationmal InsulationInsulation Testing Standards (916) 574-2041Department of Consumer AffairsStructural Pest Control BoardDepartment of Consumer AffairsStructural Pest Control Board

Structural Standards (800) 737-8188(916) 561-8708Department of Consumer AffairsVeterinary Medical BoardDepartment of Consumer AffairsVeterinary Medical BoardVeterinary Hospital Standards (916) 263-2610Department of Food and AgricultureDepartment of Food and AgricultureMeat & Poultry Packing Plant Standards (916) 654-1447Dairy Standards (916) 654-1447Department of Public HealthDepartment of Public Health

Organized Camps Standards (916) 449-566Public Swimming Pools Standards (916) 449-569Asbestos Standards (510) 620-287Department of Housing and Community DevelopmentDepartment of Housing and Community DevelopmentResidentialHotels, Motels, Apartments Single-FamilyDwellings

(916) 445-947

Permanent Structures in Mobilehome and Special OccupancyParks

(916) 445-947

Factory-Built Housing, Manufactured Housing and Commercial

Modular

(916) 445-333

MobilchomesPermits & InspectionsNorthern Region (916) 255-250Southern Region (951) 782-442Employee Housing Standards (916) 445-947Department of Water ResourcesDepartment of Water ResourcesGray Water Installations Standards (916) 651-966Division of the State ArchitectAccess ComplianceDivision of the State ArchitectAccess ComplianceAccess Compliance Standards (916) 445-810Division of the State ArchitectStructural SafetyDivision of the State ArchitectStructural SafetyPublic Schools Standards (916) 445-810Essential Services Building Standards (916) 445-810Community College Standards (916) 445-810Division of the State ArchitectState Historical Building Safety BoardDivision of the State ArchitectState Historical Building Safety BoardAlternative Building Standards (916)445-810Office of Statewide Health Planning and DevelopmentOffice of Statewide Health Planning and DevelopmentHospital Standards (916) 440-840Skilled Nursing Facility Standards (916)440-840Clinic Standards (916) 440-840

Permits (916) 440-840Office of the State Fire MarshalOffice of the State Fire MarshalCode Development and Analysis (916) 445-820Fire Safety Standards (916) 445-820Fireplace Standards (916) 445-820Day-Care Centers Standards (916) 445-820Exit Standards (916) 445-820



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HOW TO DETERMINE WHERE CHANGES HAVE BEEN MADEHOW TO DETERMINE WHERE CHANGES HAVE BEEN MADE

Symbols in the margins indicate where changes have been made or language has been deleted.

This symbol indicates that a change has been made.

This symbol indicates deletion of language.



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TABLE OF CONTENTSTABLE OF CONTENTSSUBCHAPTER 1 ALL OCCUPANCIESGENERALSUBCHAPTER 1 ALL OCCUPANCIESGENERALPROVISIONSPROVISIONS

11

Section

100Scope 1

101Definitions and Rules of Construction 3102Calculation of Time Dependent Valuation (TDV) Energy 19

103Reserved 19

104Reserved 19

105Reserved 19

106Reserved 19

107Reserved 19

108Reserved 19

109Reserved 19

SUBCHAPTER 2 ALL OCCUPANCIESMANDATORYSUBCHAPTER 2 ALL OCCUPANCIESMANDATORYREQUIREMENTS FOR THE MANUFACTURE,REQUIREMENTS FOR THE MANUFACTURE,CONSTRUCTION AND INSTALLATION OF SYSTEMS,CONSTRUCTION AND INSTALLATION OF SYSTEMS,EQUIPMENT AND BUILDING COMPONENTSEQUIPMENT AND BUILDING COMPONENTS

2121

Section

110Systems and EquipmentGeneral 21

111Mandatory Requirements for Appliances Regulated by the Appli-ance Efficiency Regulations

21

112Mandatory Requirements for Space-Conditioning Equipment 21

113Mandatory Requirements for Service Water-Heating Systems andEquipment 30

114Mandatory Requirements for Pool and Spa Heating Systems andEquipment

31

115Natural Gas Central Furnaces, Cooking Equipment, and Pool andSpa Heaters: Pilot Lights Prohibited

32

116Mandatory Requirements for Fenestration Products and ExteriorDoors

32

117Mandatory Requirements for Joints and Other Openings 34

118Mandatory Requirements for Insulation and Roofing Products 34

119Mandatory Requirements for Lighting Control Devices, Ballastsand Luminaires 35

SUBCHAPTER 3 NONRESIDENTIAL, HIGH-RISESUBCHAPTER 3 NONRESIDENTIAL, HIGH-RISERESIDENTIAL AND HOTEL/MOTELRESIDENTIAL AND HOTEL/MOTELOCCUPANCIESMANDATORY REQUIREMENTS FOROCCUPANCIESMANDATORY REQUIREMENTS FORSPACE-CONDITIONING AND SERVICE WATER-HEATINGSPACE-CONDITIONING AND SERVICE WATER-HEATINGSYSTEMS AND EQUIPMENTSYSTEMS AND EQUIPMENT

3939

Section

120Space-Conditioning and Service Water-Heating Systems andEquipmentGeneral

39

121Requirements for Ventilation 3

122Required Controls for Space-Conditioning Systems 4

123Requirements for Pipe Insulation 4

124Requirements for Air Distribution System Ducts and Plenums 4

125Required Nonresidential Mechanical System Acceptance 4

126Mandatory Requirements for Refrigerated Warehouses 4

127Reserved 4

128Reserved 4

129Reserved 4

SUBCHAPTER 4 NONRESIDENTIAL, HIGH-RISESUBCHAPTER 4 NONRESIDENTIAL, HIGH-RISERESIDENTIAL AND HOTEL/MOTELRESIDENTIAL AND HOTEL/MOTELOCCUPANCIESMANDATORY REQUIREMENTS FOROCCUPANCIESMANDATORY REQUIREMENTS FORLIGHTING SYSTEMS AND EQUIPMENTLIGHTING SYSTEMS AND EQUIPMENT

44

Section130Lighting Controls and Equipment General 4

131Indoor Lighting Controls that Shall be Installed 4

132Outdoor Lighting Controls and Equipment 5

133Sign Lighting Controls 5

134Required Nonresidential Lighting Control Acceptance 5

135Reserved 5

136Reserved 5

137Reserved 5

138Reserved 5

139Reserved 5

SUBCHAPTER 5 NONRESIDENTIAL, HIGH-RISESUBCHAPTER 5 NONRESIDENTIAL, HIGH-RISERESIDENTIAL AND HOTEL/MOTELRESIDENTIAL AND HOTEL/MOTELOCCUPANCIESPERFORMANCE AND PRESCRIPTIVEOCCUPANCIESPERFORMANCE AND PRESCRIPTIVECOMPLIANCE APPROACHES FOR ACHIEVING ENERGYCOMPLIANCE APPROACHES FOR ACHIEVING ENERGYEFFICIENCYEFFICIENCY

55

Section

140Choice of Performance and Prescriptive Approaches 5

141Performance Approach: Energy Budgets 5142Prescriptive Approach 5

143Prescriptive Requirements for Building Envelopes 5

144Prescriptive Requirements for Space-Conditioning Systems 6

145Prescriptive Requirements for Service Water-Heating Systems 6

146Prescriptive Requirements for Indoor Lighting 6

147Requirements for Outdoor Lighting 7



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148Requirements for Signs 78

SUBCHAPTER 6 NONRESIDENTIAL, HIGH-RISESUBCHAPTER 6 NONRESIDENTIAL, HIGH-RISERESIDENTIAL AND HOTEL/MOTELRESIDENTIAL AND HOTEL/MOTELOCCUPANCIESADDITIONS, ALTERATIONS ANDOCCUPANCIESADDITIONS, ALTERATIONS ANDREPAIRSREPAIRS

8181

Section

149Additions, Alterations and Repairs to Existing Building that Willbe Nonresidential, High-Rise Residential and Hotel/Motel Occu-

pancies and to Existing Outdoor Lighting for these Occupanciesand to Internally and Externally Illuminated Signs

81

SUBCHAPTER 7 LOW-RISE RESIDENTIALSUBCHAPTER 7 LOW-RISE RESIDENTIALBUILDINGSMANDATORY FEATURES AND DEVICESBUILDINGSMANDATORY FEATURES AND DEVICES

8787

Section

150Mandatory Features and Devices 87

SUBCHAPTER 8 LOW-RISE RESIDENTIALSUBCHAPTER 8 LOW-RISE RESIDENTIALBUILDINGSPERFORMANCE AND PRESCRIPTIVEBUILDINGSPERFORMANCE AND PRESCRIPTIVECOMPLIANCE APPROACHESCOMPLIANCE APPROACHES

99

Section

151Performance and Prescriptive Compliance Approaches 9

SUBCHAPTER 9 LOW-RISE RESIDENTIALSUBCHAPTER 9 LOW-RISE RESIDENTIALBUILDINGSADDITIONS AND ALTERATIONS INBUILDINGSADDITIONS AND ALTERATIONS INEXISTING LOW-RISE RESIDENTIAL BUILDINGSEXISTING LOW-RISE RESIDENTIAL BUILDINGS

11

Section

152Energy Efficiency Standards for Additions and Alterations in Ex-isting Buildings that Will Be Low-Rise Residential Occupancies

1

APPENDIX 1-A STANDARDS AND DOCUMENTSAPPENDIX 1-A STANDARDS AND DOCUMENTSREFERENCED IN THE ENERGY EFFICIENCYREFERENCED IN THE ENERGY EFFICIENCYREGULATIONSREGULATIONS

11

HISTORY NOTE APPENDIXHISTORY NOTE APPENDIX 11


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SUBCHAPTER 1SUBCHAPTER 1ALL OCCUPANCIESGENERAL PROVISIONSALL OCCUPANCIESGENERAL PROVISIONS

SECTION 100SECTION 100SCOPESCOPE

a. BuildingsBuildings covered.covered. The provisions of Title 24, Part 6, apply toall buildings:

1. That are of Occupancy Group A, B, E, F, H, M, R, S or U;and2. For which an application for a building permit or renewal of

an existing permit is filed (or is required by law to be filed)on or after the effective date of the provisions, or which areconstructed by a governmental agency; and

3. That are:A. Unconditioned, indirectly or directly conditioned by me-

chanical heating or mechanical cooling or processspaces; or

B. Low-rise residential buildings that are heated with awood heater or another nonmechanical heating system.

ExceptionException 11 toto SectionSection 100(a):100(a): Qualified historicbuildings as regulated by the California Historic

Building Code (Title 24, Part 8).ExceptionException 22 toto SectionSection 100(a):100(a): Building depart-ments, at their discretion, may exempt temporarybuildings, temporary outdoor lighting or temporarylighting in an unconditioned building, or structureserected in response to a natural disaster. Temporarybuildings or structures shall be completely removedupon the expiration of the time limit stated in thepermit.

b. PartsParts ofof buildingsbuildings regulated.regulated. The provisions of Title 24, Part6, apply to the building envelope, space-conditioning systems,water-heating systems and indoor lighting systems of buildings,and outdoor lighting systems and signs located either indoors oroutdoors that are covered by Section 100(a) as set forth in Table

100-A.c. Floors and habitable stories.Floors and habitable stories.1. Only habitable floors that have at least 50 percent of their

volume above grade as defined in the CBC shall be countedin determining how many habitable stories a building has.

2. All conditioned space in a floor shall comply with Title 24,Part 6, whether or not the floor is above grade and whetheror not the floor is above grade and whether or not it is hab-itable. All unconditioned space in a floor shall comply withthe lighting requirements of Title 24, Part 6, whether or notthe floor is above grade and whether or not it is habitable.

d. OutdoorOutdoor lightinglighting andand indoorindoor andand outdooroutdoor signs.signs. The provi-sions of Title 24, Part 6, apply to outdoor lighting systems and

to signs located either indoors or outdoors as set forth in Tab100-A.

e. SectionsSections applicableapplicable toto particularparticular buildings.buildings. Table 100-A athis subsection list the provisions of Title 24, Part 6, that aapplicable to different types of buildings covered by Secti100(a).1. AllAll buildings.buildings. Sections 100 through 119 apply to all buil

ings.ExceptionException toto SectionSection 100(e)1:100(e)1: Spaces or requirementsnot listed in Table 100-A.

2. Newly constructed buildings.Newly constructed buildings.A. AllAll newlynewly constructedconstructed buildings.buildings. Sections 110 throu

119 apply to all newly constructed buildings within tscope of Section 100(a). In addition, newly constructbuildings shall meet the requirements of B, C or D, applicable.

B. Nonresidential,Nonresidential, high-risehigh-rise residentialresidential andand hotelmothotelmobuildingsbuildings thatthat areare mechanicallymechanically heatedheated oror mechanmechancally cooled.cally cooled.i. SectionsSections applicable.applicable. Sections 120 through 148 app

to newly constructed nonresidential buildings, higrise residential buildings and hotelsmotels that amechanically heated or mechanically cooled.

ii. ComplianceCompliance approaches.approaches. In order to comply wiTitle 24, Part 6, newly constructed nonresidentibuildings, high-rise residential buildings and hotelmotels that are mechanically heated or mechanicalcooled must meet the requirements of:a. Mandatory measures: The applicable provisio

of Sections 120 through 139; and

b. Either:Performance approach: Section 141; orPrescriptive approach: Sections 142 through 14

C. UnconditionedUnconditioned nonresidentialnonresidential buildingsbuildings andand proceprocespaces.spaces. Sections 119, 130 through 134, 143(c), 146, 1and 148 apply to all newly constructed unconditionbuildings and process spaces within the scope of Secti100(a).

D. Low-rise residential buildings.Low-rise residential buildings.i. SectionsSections applicable.applicable. Sections 150 through 151 app

to newly constructed low-rise residential buildingsii. ComplianceCompliance approaches.approaches. To comply with Title 2

Part 6, newly constructed low-rise residential builings must meet the requirements of:



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a. Mandatory measures: The applicable provisionsof Sections 110 through 119, and 150; and

b. Either:Performance approach: Section 151(a) through(e); orPrescriptive approach: Sections 151(a) and (f).

ExceptionException 11 toto SectionSection 100(e)2Diib:100(e)2Diib: Sea-sonally occupied agricultural housing limitedby state or federal agency contract to occu-

pancy not more than 180 days in any calendaryear.ExceptionException 22 toto SectionSection 100(e)2Diib:100(e)2Diib: Low-rise residential buildings that are heated witha wood heater or another nonmechanicalheating system and that use no energy ob-tained from depletable sources for lighting orwater heating.

3. New construction in existing buildings.New construction in existing buildings.A. Nonresidential,Nonresidential, high-risehigh-rise residentialresidential andand hotelmotelhotelmotel

buildings.buildings. Section 149 applies to new construction inexisting buildings that will be non-residential, high-riseresidential and hotelmotel occupancies.

B. Low-riseLow-rise residentialresidential buildings.buildings. Section 152 applies to

new construction in existing buildings that will be low-rise residential occupancies.

4. InstallationInstallation ofof insulationinsulation inin existingexisting buildings.buildings. Secti118(d) applies to buildings in which insulation is being istalled in existing attics, or on existing water heaters or eisting space conditioning ducts.

5. OutdoorOutdoor lighting.lighting. Sections 119, 130, 132, 134, 147 and 1apply to newly constructed outdoor lighting systems, aSection 149 applies to outdoor lighting additions and alteations.

6. Signs.Signs. Sections 130, 133 and 148 apply to newly construced signs located either indoors or outdoors, and Section 14applies to sign alterations located either indoors or outdoo

f. MixedMixed occupancy.occupancy. When a building is designed and construed for more than one type of occupancy (residential and noresidential), the space for each occupancy shall meet the provsions of Title 24, Part 6, applicable to that occupancy.

ExceptionException toto SectionSection 100(f):100(f): If one occupancy constitutesat least 80 percent of the conditioned floor area of thebuilding, the entire building envelope, HVAC and waterheating may comply with the provisions of Title 24, Part 6applicable to that occupancy, provided that the applicablelighting requirements in Sections 146 through 148 or150(k) are met

TABLE 100-AAPPLICATION OF STANDARDSTABLE 100-AAPPLICATION OF STANDARDS

OCCUPANCIES APPLICATION MANDATORY PRESCRIPTIVEPERFORMANCEADDITIONSALTERATIO

General Provisions 100, 101, 102, 110, 111General 140 142Envelope (conditioned) 116, 117, 118 143Envelope (unconditioned, process spaces) 143(c)HVAC (conditioned) 112, 115, 120-125 144Water Heating (conditioned) 113, 123 145Indoor Lighting (unconditioned), process spaces) 119, 130, 131, 134 143(c), 146

141

Indoor Lighting (unconditioned) 119, 130, 131, 134 143(c), 146

Nonresidential, High-rise Residential andHotelsMotels

Outdoor Lighting 119, 130, 132, 134 147RefrigeratedWarehouse

Envelope and HVAC 126 N.A.

Signs Indoor and Outdoor 130, 133 148

N.A.

149

General 150Envelope (conditioned) 116, 117, 118,

150(a-g, I)HVAC (conditioned) 112, 115, 150(h, i,

m, o)Water heating (conditioned) 113, 150(j, n)Indoor Lighting (conditioned, unconditioned andparking garages)

119, 150(k)

Outdoor Lighting 119, 150(k)

151(a,f) 151(a-e) 152Low-rise Residential

Pool and Spa systems 114, 150(p) N.A N.A N.A.


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1. for each occupancy and space and mandatory measures inSections 110 through 139 and 150 are met for each occu-pancy and space.

2. AdministrativeAdministrative requirements.requirements. Administrative requirementsrelating to permit requirements, enforcement by the Commis-sion, locally adopted energy standards, interpretations, claimsof exemption, approved calculation methods, rights of appeal,and certification and labeling requirements of fenestration prod-ucts and roofing products are specified in California Code of

Regulations, Title 24, Part 1, Sections 10-101 to 10-114.3. CertificationCertification requirementsrequirements forfor manufacturedmanufactured devices.devices. Title24, Part 6, limits the installation of the following manufactureddevices to those that have been certified by their manufacturerto meet or exceed minimum specifications or efficiencies by theCommission.1. Central air-conditioning heat pumps and other central air

conditioners (Sections 111 and 112).2. Combination equipment: space heating and cooling, or

space heating and water heating [Section 112(a)3].3. Fenestration products (Section 116).4. Fluorescent lamp ballasts (Section 111).5. Gas space heaters (Section 111 and 112).6. Insulating materials and roofing products (Section 118).

7. Lighting control devices and lighting control systems (Sec-tion 119).8. Oil fired storage water heaters (Section 113).9. Other heating and cooling equipment (Section 111 and 112).

10. Plumbing fittings (Section 111).11. Pool heaters (Section 114).12. Refrigerators, refrigerator-freezers and freezers (Section

111).13. Room air conditioners (Section 111).14. Slab floor perimeter insulation [Section 150(1)].15. Water heaters (Section 113).16. Track lighting integral current limiter (Section 119(1)).17. High efficacy LED light sources (Section 119(m)).18. Ballasts for residential recessed luminaires (Section 119(n)).

19. Dimmable fluorescent ballasts for power adjustment factors(Section 119(o)).

The certification status of any such manufactured device may beconfirmed only by reference to:1. A directory published or approved by the Commission; or2. A copy of the application for certification from the manufactur-

er and the letter of acceptance from the Commission staff; or3. Written confirmation from the publisher of a Commission-ap-

proved directory that a device has been certified; or4. A Commission-approved label on the device.

Note:Note: Title 24, Part 6, does not require a builder, designer,owner, operator or enforcing agency to test any certifieddevice to determine its compliance with minimum specifi-cations or efficiencies adopted by the Commission.

SECTION 101SECTION 101DEFINITIONS AND RULES OF CONSTRUCTIONDEFINITIONS AND RULES OF CONSTRUCTION

a. Rules of Construction.Rules of Construction.1. Where the context requires, the singular includes the plur

and the plural includes the singular.2. The use of and in a conjunctive provision means that

elements in the provision must be complied with or must eist to make the provision applicable. Where compliance wone or more elements suffices, or where existence of one more elements makes the provision applicable, or (raththan and/or) is used.

3. Shall is mandatory and may is permissive.b. Definitions.Definitions. Terms, phrases, words and their derivatives in T

tle 24, Part 6, shall be defined as specified in Section 10Terms, phrases, words and their derivatives not found in Setion 101 shall be defined as specified in Title 24, Part 2, Chapt2 of the California Code of Regulations. Terms, phrases, worand their derivatives not found in either Title 24, Part 6, Chapter 2 shall be defined as specified in Title 24, Part 2, Chater 2 of the California Building Code. Where terms, phrasewords and their derivatives are not defined in any of the reerences above, they shall be defined as specified in WebsterThird New International Dictionary of the English LanguaUnabridged(1987 edition), unless the context requires othewise.

ACCAACCA is the Air-Conditioning Contractors of America.

ACCAACCA MANUALMANUAL JJ is the Air-Conditioning Contractors of Ameica document entitled Manual J-Residential Load CalculatioEighth Edition.(2003)

ACCEPTANCEACCEPTANCE REQUIREMENTSREQUIREMENTS FORFOR CODCODCOMPLIANCECOMPLIANCE is a description of test procedures in the Refeence Nonresidential Appendices that includes equipment and sytems to be tested, functions to be tested, conditions under which ttest shall be performed, the scope of the tests, results to be obtainand measurable criteria for acceptable performance.

ACCENTACCENT (LIGHT)(LIGHT) is a directional luminaire designed to higlight or spotlight objects. It can be recessed, surface mounted, mounted to a pendant, sterm or track.

ACCESSIBLEACCESSIBLE is having access thereto, but which first may rquire removal or opening of access panels, doors or similar ostructions.

ADDITIONADDITION is any change to a building that increases conditionfloor area and conditioned volume. See also, newly conditionspace. Addition is also any change that increases the floor aror volume of an unconditioned building of an occupancy group type regulated by Part 6. Addition is also any change that increasthe illuminated area of an outdoor lighting application regulated Part 6.

AGRICULTURALAGRICULTURAL BUILDINGBUILDING is a structure designed and costructed to house farm implements, hay, grain, poultry, live-



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stock or other horticultural products. It is not a structure that is aplace of human habitation, a place of employment where agricul-tural products are processed, treated or packaged, or a place usedby the public.

AIR-TO-AIRAIR-TO-AIR HEATHEAT EXCHANGEREXCHANGER is a device which will re-duce the heat losses or gains that occur when a building is mechan-ically ventilated, by transferring heat between the conditioned airbeing exhausted and outside air being supplied.

ALTERATIONALTERATION is any change to a buildings water-heating sys-tem, space-conditioning system, lighting system or envelope that isnot an addition. Alteration is also any change that is regulated byPart 6 to an outdoor lighting system that is not an addition. Alter-ation is also any change that is regulated by Part 6 to signs locatedeither indoors or outdoors.

ALTEREDALTERED COMPONENTCOMPONENT is a component that has undergone analteration and is subject to all applicable Standards requirements.

ALTERNATIVEALTERNATIVE CALCULATIONCALCULATION METHODSMETHODS (ACMs)(ACMs) arethe Commissions Public Domain Computer Programs, one of theCommissions Simplified Calculation Methods or any other cal-culation method approved by the Commission. ACMs are also re-ferred to as compliance software.

ALTERNATIVEALTERNATIVE CALCULATIONCALCULATION METHODSMETHODS APPROVALAPPROVALMANUALMANUAL is the document that specifies the procedures and testsrequired for approval of Alternative Calculation Methods.

ANNUALANNUAL FUELFUEL UTILIZATIONUTILIZATION EFFICIENCYEFFICIENCY (AFUE)(AFUE) is ameasure of the percentage of heat from the combustion of gas oroil which is transferred to the space being heated during a year, asdetermined using the applicable test method in the Appliance Effi-ciency Regulations or Section 112.

ANNUNCIATEDANNUNCIATED is a type of visual signaling device that indi-cates the on, off, or other status of a load.

ANSIANSI is the American National Standards Institute.

ANSIANSI C82.6-2005C82.6-2005 is the American National Standards Institute

document entitled Ballasts for High-Intensity DischargeLampsMethods of Measurement. (ANSI C82.6-2005)

ANSIANSI Z21.10.3Z21.10.3 is the American National Standards Institute doc-ument entitled Gas Water Heaters, Volume I, Storage WaterHeaters with input ratings above 75,000 But per hour,2001.(ANSI Z21.10.3-2001)

ANSIANSI Z21.13Z21.13 is the American National Standards Institute docu-ment entitled Gas-Fired Low Pressure Steam and Hot Water Boil-ers,2000. (ANSI Z21.13-2000).

ANSIANSI Z21.40.4Z21.40.4 is the American National Standards Institute doc-ument entitled Performance Testing and Rating of Gas-Fired,Air Conditioning and Head Pump Appliances, 1996. (ANSIZ21.40.4-1996)

ANSIANSI Z21.47Z21.47 is the American National Standards Institute doc-ument entitled Gas-Fired Central Furnaces, 2001. (ANSIZ21.47-2001)

ANSIANSI Z83.8Z83.8 is the American National Standards Institute docu-ment entitled Gas Unit Heaters and Gas-Fired Duct Furnaces,2002. (ANSI Z83.8-2002)

APPLIANCEAPPLIANCE EFFICIENCYEFFICIENCY REGULATIONSREGULATIONS are the regultions in Title 20, Sections 1601 et seq. of the California Code Regulations.

APPROVEDAPPROVED BYBY THETHE COMMISSIONCOMMISSION means approval undSection 25402.1 of the Public Resources Code.

APPROVEDAPPROVED CALCULATIONCALCULATION METHODMETHOD (See alternative cculation methods.)

ARIARI is the Air-conditioning and Refrigeration Institute.

ARIARI 210240210240 is the Air-conditioning and Refrigeration Institudocument entitled Unitary Air-Conditioning and Air-Source HePump Equipment, 2003. (ARI 210240-2003)

ARIARI 310380310380 is the Air-conditioning and Refrigeration Institudocument entitled Packaged Terminal Air-Conditioners and HePumps, 1993. (ARI 310380-93)

ARIARI 320320 is the Air-conditioning and Refrigeration Institute docment entitled Water-Source Heat Pumps, 1998. (ARI 320-98)

ARIARI 325325 is the Air-conditioning and Refrigeration Institute doument entitled Ground Water-Source Heat Pumps, 1998. (AR325-98)

ARIARI 340360340360 is the Air-conditioning and Refrigeration Institudocument entitled Commercial and Industrial Unitary Air-Condtioning and Heat Pump Equipment, 2000. (ARI 340360-2000)

ARIARI 365365 is the Air-conditioning and Refrigeration Institute docment entitled, Commercial and Industrial Unitary Air-Conditioing Condensing Units, 2002. (ARI 365-2000)

ARIARI 460460 is the Air-conditioning and Refrigeration Institute doument entitled Remote Mechanical-Draft Air-Cooled RefrigeraCondensers,2000. (ARI 460-2000)

ARIARI 550590550590 is the Air-conditioning and Refrigeration Institudocument entitled Standard for Water Chilling Packages Usinthe Vapor Compression Cycle,, 1998. (ARI 550590-98)

ARIARI 560560 is the Air-conditioning and Refrigeration Institute doc

ment entitled Absorption Water Chilling and Water Heating Pacages, 2000. (ARI 560-2000)

ASHRAEASHRAE is the American Society of Heating, Refrigerating aAir-conditioning Engineers.

ASHRAEASHRAE CLIMATICCLIMATIC DATADATA FORFOR REGIONREGION XX is the AmericSociety of Heating, Refrigerating and Air-conditioning Engineedocument entitled ASHRAE Climatic Data for Region X, Arzona, California, Hawaii and Nevada, Publication SPCDX, 19and Supplement, 1994.

ASHRAEASHRAE HANDBOOK,HANDBOOK, APPLICATIONSAPPLICATIONS VOLUMEVOLUME is tAmerican Society of Heating, Refrigerating and Air-conditioniEngineers document entitled ASHRAE Handbook; Heating, Vetilating, and Air-Conditioning Applications. (2003)

ASHRAEASHRAE HANDBOOK,HANDBOOK, EQUIPMENTEQUIPMENT VOLUMEVOLUME is tAmerican Society of Heating, Refrigerating and Air-conditioniEngineers document entitled ASHRAE Handbook:


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Heating, Ventilating, and Air-conditioning Systems and Equip-ment. (2000)

ASHRAEASHRAE HANDBOOK,HANDBOOK, FUNDAMENTALSFUNDAMENTALS VOLUMEVOLUME is theAmerican Society of Heating, Refrigerating and Air-conditioningEngineers document entitled ASHRAE Handbook: Fundamen-tals. (2005)

ASHRAEASHRAE STANDARDSTANDARD 5555 is the American Society of Heating,Refrigerating and Air-conditioning Engineers document entitled

Thermal Environmental Conditions for Human Occupancy,2004. (ASHRAE Standard 552004)

ASHRAEASHRAE STANDARDSTANDARD 62.262.2 is the American Society of Heating,Refrigerating and Air-Conditioning Engineers document entitledVentilation and Acceptable Indoor Air Quality in Low-Rise Resi-dential Buildings, 2007 (ASHRAE Standard 62.22007).

ASMEASME is the American Society of Mechanical Engineers.

ASTMASTM is the American Society for Testing and Materials.

ASTMASTM CC 5555 is the American Society for Testing and Materialsdocument entitled Standard Specification for Concrete Brick,2001. (ASTM C 5501)

ASTMASTM CC 177177 is the American Society for Testing and Materials

document entitled Standard Test Method for Steady-State HeatFlux Measurements and Thermal Transmission Properties byMeans of the Guarded-Hot-Plate Apparatus, 1997. (ASTM C17797)

ASTMASTM CC 272272 is the American Society for Testing and Materialsdocument entitled Standard Test Method for Water Absorptionof Core Materials for Structural Sandwich Constructions, 2001.(ASTM C 27201)

ASTMASTM CC 335335 is the American Society for Testing and Materialsdocument entitled Standard Test Method for Steady-State HeatTransfer Properties of Horizontal Pipe Insulation, 1995. (ASTMC 33595)

ASTMASTM CC 518518 is the American Society for Testing and Materialsdocument entitled Standard Test Method for Steady-State Ther-mal Transmission Properties by Means of the Heat Flow Meter Ap-paratus, 2002. (ASTM C 51802)

ASTMASTM CC 731731 is the American Society for Testing and Materialsdocument entitled Standard Test Method for Extrudability, AfterPackage Aging of Latex Sealants, 2000. (ASTM C 73100)

ASTMASTM CC 732732 is the American Society for Testing and Materialsdocument entitled Standard Test Method for Aging Effects of Ar-tificial Weathering on Latex Sealants, 2001. (ASTM C 73201)

ASTMASTM CC 836836 is the American Society of Testing and Materialsdocument entitled, Standard Specification for High solids Con-tent, cold Liquid-Applied Elastomeric Waterproofing Membrane

for Use with Separate Wearing Course, 2005. (ASTM C 83605)ASTMASTM CC 11671167 is the American Society for Testing and Materialsdocument entitled Standard Specification for Clay Roof Tiles,1996. (ASTM C 116796)

ASTMASTM CC 13711371 is the American Society for Testing and Materiadocument entitled Standard Test Method for Determination Emittance of Materials Near Room Temperature Using PortabEmissometers, 1998. (ASTM C 137198)

ASTMASTM CC 15831583 is the American Society of Testing and Materiadocument entitled, Standard Test Method for Tensile Strength Concrete Surfaces and the Bond Strength or Tensile Strength Concrete Repair and Overlay Materials by Direct Tension Pull-oMethod), 2004. (ASTM C 158304)

ASTMASTM DD 522522 is the American Society of Testing and Materiadocument entitled, Standard Test Methods for Mandrel Bend Teof Attached Organic Coatings, 2001. [ASTM D 522 93a(2001

ASTMASTM DD 822822 is the American Society of Testing and Materiadocument entitled, Standard Practice for Filtered Open-FlamCarbon-Arc Exposures of Paint and Related Coatings,200(ASTM D 82201)

ASTMASTM DD 10031003 is the American Society for Testing and Materiadocument entitled Standard Test Method for Haze and LuminoTransmittance of Transparent Plastics, 2000. (ANSIASTM 100300)

ASTMASTM DD 16531653 is the American Society of Testing and Materia

document entitled, Standard Test Methods for water Vapor Tranmission of Organic Coating Films, 2003. (ASTM D 165303)

ASTMASTM DD 23702370 is the American Society of Testing and Materiadocument entitled, Standard Test Method for Tensile Propertiof Organic Coatings, 2002. [ASTM D 2370 98 (2002)]

ASTMASTM DD 28242824 is the American Society of Testing and Materiadocument entitled Standard Specification for Aluminum-Pimented Asphalt Roof Coatings, Nonfibered, Asbestos Fibered, aFibered without Asbestos, 2002. (ASTM D 282402)

ASTMASTM DD 34683468 is the American Society of Testing and Materiadocument entitled, Standard Specification for Liquid-AppliNeoprene and Chlorosulfonated Polyethylene Used in Roofing aWaterproofing, 1999. (ASTM D 346899)

ASTMASTM DD 38053805 is the American Society of Testing and Materiadocument entitled Standard Guide for Application of AluminumPigmented Asphalt Roof Coatings,1997. [ASTM D 3805(reapproved 2003)]

ASTMASTM DD 58705870 is the American Society of Testing and Materiadocument entitled, Standard Practice for Calculating Property Rtention Index of Plastics,2003. [ASTM D 587095 (2003)]

ASTMASTM DD 60836083 is the American Society of Testing and Materiadocument entitled, Standard Specification for Liquid AppliAcrylic Coating Used in Roofing, 2005. (ASTM D 608305e1)

ASTMASTM DD 66946694 is the American Society of Testing and Materiadocument entitled, Standard Specification for Liquid-Applied S

icone Coating Used in Spray Polyurethane Foam Roofing, 200(ASTM D 669401)



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ASTMDASTMD 68486848 is the American Society of Testing and Materialsdocument entitled Standard Specification for Aluminum-Pig-mented Emulsified Asphalt Used as a Protective Coating for Roof-ing, 2002. (ASTM D 6848-02)

ASTMDASTMD 47984798 is the American Society for Testing and Materialsdocument entitled Standard Test Method for AcceleratedWeathering Test Conditions and Procedures for Bituminous Mate-rials (Xenon-Arc Method), 2001. (ASTMD 4798-01)

ASTMEASTME 9696 is the American Society for Testing and Materials doc-ument entitled Standard Test Methods for Water Vapor Transmis-sion of Materials, 2000. (ASTME 96-00)

ASTMEASTME 283283 is the American Society for Testing and Materialsdocument entitled Standard Test Method for Determining the Rateof Air Leakage Through Exterior Windows, Curtain Walls, andDoors Under Specified Pressure Differences Across the Speci-men, 1991. [ASTM E 283-91 (1999)]

ASTMASTM EE 408408 is the American Society for Testing and Materialsdocument entitled, Standard Test Methods for Total Normal Emit-tance of Surfaces Using Inspection-Meter Techniques, 1971.[ASTM E 408-71 (2002)]

AUTOMATICAUTOMATIC is capable of operating without human interven-

tion.AUTOMATICAUTOMATIC MULTILEVELMULTILEVEL DAYLIGHTINGDAYLIGHTING CONTROLCONTROLis a multilevel lighting control that automatically reduces lightingin multiple steps or continuous dimming in response to availabledaylight. This control uses one or more photosensors to detectchanges in daylight illumination and then change the electric light-ing level in response to the daylight changes.

AUTOMATEDAUTOMATED TELLERTELLER MACHINEMACHINE (ATM)(ATM) is any electronicinformation processing device which accepts or dispenses currencyin connection with a credit, deposit or convenience account withoutinvolvement by a clerk.

AUTOMATICAUTOMATIC TIMETIME SWITCHSWITCH CONTROLCONTROL DEVICESDEVICES are de-vices capable of automatically turning loads off and on based ontime schedules.

BATHROOMBATHROOM (See residential space type.)

BELOW-GRADEBELOW-GRADE WALLWALL is the portion of a wall, enclosing con-ditioned space, that is below the grade line.

BUILDINGBUILDING is any structure or space covered by Section 100 ofthe Building Energy Efficiency Standards.

BUILDINGBUILDING ENVELOPEENVELOPE is the ensemble of exterior and demis-ing partitions of a building that enclose conditioned space.

CALLCALL CENTERCENTER is a phone center that handles large number ofphone calls including but not limited to help desk, customer andsales support, technical support, emergency response, telephone

answering service, and inbound and outbound telemarketing.CAPTIVE-KEYCAPTIVE-KEY OVERRIDEOVERRIDE is a type of lighting control inwhich the key that activates the override cannot be released whenthe lights are in the on position.

CENTRALCENTRAL FAN-INTEGRATEDFAN-INTEGRATED VENTILATIONVENTILATION SYSTESYSTEis a central forced air heating andor cooling system which is itended to operate on a regular basis to bring in outdoor ventilatiair andor distribute air around the home for comfort and ventilatieven when heating and cooling are not needed.

CERTIFYINGCERTIFYING ORGANIZATIONORGANIZATION is an independent organiztion recognized by the Commission to certify manufactured adoped by the Commission.

CHANDELIERCHANDELIER is a ceiling-mounted, close-to-ceiling, or supended decorative luminaire that uses glass, crystal, ornamentmetals or other decorative material and that typically is used hotelmotels, restaurants or churches as a significant element in tinterior architecture.

CLIMATECLIMATE ZONESZONES are the 16 geographic areas of California fwhich the commission has established typical weather data, prscriptive packages and energy budgets. Climate zone boundary dscriptions are in the document California Climate Zone Descritions (July 1995), incorporated herein by reference. Figure 101is an approximate map of the 16 climate zones.

CLOSED-CIRCUITCLOSED-CIRCUIT COOLINGCOOLING TOWERTOWER is a closed-circucooling tower that utilizes indirect contact between a heated flu

typically water or glycol, and the cooling atmosphere to transfer tsource heat load indirectly to the air, essentially combining a heexchanger and cooling tower into one relatively compact device.

CODES,CODES, CALIFORNIACALIFORNIA HISTORICALHISTORICAL BUILDINGBUILDING CODECODEthe California Historical Building Code,California Code of Reglations, Title 24, Part 8 and Part 2 (Chapter 34).

CODES, CBCCODES, CBC is the 2007 California Building Code.

CODES, CECCODES, CEC is the 2007 California Electric Code.

CODES, CMCCODES, CMC is the 2007 California Mechanical Code.

CODES, CPCCODES, CPC is the 2007 California Plumbing Code.

COEFFICIENTCOEFFICIENT OFOF PERFORMANCEPERFORMANCE (COP),(COP), COOLING,COOLING,the ratio of the rate of net heat removal to the rate of total ener

input, calculated under designated operating conditions and epressed in consistent units, as determined using the applicable temethod in the Appliance Efficiency Regulations or Section 112.

COEFFICIENTCOEFFICIENT OFOF PERFORMANCEPERFORMANCE (COP),(COP), HEATING,HEATING,the ratio of the rate of net heat output to the rate of total energinput, calculated under designated operating conditions and epressed in consistent units, as determined using the applicable temethod in the Appliance Efficiency Regulations or Section 112.

COEFFICIENTCOEFFICIENT OFOF PERFORMANCEPERFORMANCE (COP),(COP), HEATHEAT PUMPUMis the ratio of the rate of useful heat output delivered by the complete heat pump unit (exclusive of supplementary heating) to tcorresponding rate of energy input, in consistent units and as dtermined using the applicable test method in Appliance Efficien

Regulations or Section 112.COMBUSTIONCOMBUSTION EFFICIENCYEFFICIENCY is a measure of the percentage heat from the combustion of gas or oil that is transferred to thmedium being heated or lost as jacket loss.


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COMMISSIONCOMMISSION is the California State Energy Resources Conser-vation and Development Commission.

CONDITIONEDCONDITIONED FLOORFLOOR AREAAREA (CFA)(CFA) is the floor area (insquare feet) of enclosed conditioned space on all floors of a build-ing, as measured at the floor level of the exterior surfaces of exte-rior walls enclosing the conditioned space.

CONDITIONEDCONDITIONED SPACESPACE is space in a building that is either di-rectly conditioned or indirectly conditioned.

CONDITIONEDCONDITIONED SPACE,SPACE, DIRECTLYDIRECTLY is an enclosed space thatis provided with wood heating, is provided with mechanical heat-

ing that has a capacity exceeding 10 Btuhr-ft2 or is provided with

mechanical cooling that has a capacity exceeding 5 Btuhr-ft2, un-less the space-conditioning system is designed for a process space.(See Process space.)

CONDITIONEDCONDITIONED SPACE,SPACE, INDIRECTLYINDIRECTLY is enclosed space, in-cluding, but not limited to, unconditioned volume in atria, that (1)is not directly conditioned space; and (2) either (a) has a thermaltransmittance area product (UA) to directly conditioned space ex-ceeding that to the outdoors or to unconditioned space and does nothave fixed vents or openings to the outdoors or to unconditionedspace, or (b) is a space through which air from directly conditionedspaces is transferred at a rate exceeding three air changes per hour.

CONDITIONEDCONDITIONED VOLUMEVOLUME is the total volume (in cubic feet) ofthe conditioned space within a building.

CONTINOUS DIMMINGCONTINOUS DIMMING (See dimming, continuous.)

COOLCOOL ROOFROOF is a roofing material with high thermal emittanceand high solar reflectance, or low thermal emittance and exception-ally high solar reflectance as specified in Section 118 (i) that re-duces heat gain through the roof.

COOLINGCOOLING EQUIPMENTEQUIPMENT is equipment used to provide mechan-ical cooling for a room or rooms in a building.

CRAWLCRAWL SPACESPACE is a space immediately under the first floor of abuilding adjacent to grade.

CRRC-1CRRC-1 is the Cool Roof Rating Council document entitledProduct Rating Program Manual.

CTICTI is the Cooling Technology Institute.

CTICTI ATC-105ATC-105 is the Cooling Technology Institute document en-titled Acceptance Test Code for Water Cooling Towers, 2000.(CTI ATC-105-00)

CTICTI STD-201STD-201 is the Cooling Technology Institute document enti-tled Standard for Certification of Water-Cooling Tower ThermalPerformance 2004. (CTI STD-201-04)

C-VALUEC-VALUE (also known as C-factor) is the time rate of heat flowthrough unit area of a body induced by a unit temperature differ-

ence between the body surfaces, in Btu (hr*ft2*F). It is not thesame as K-value or K-factor.

DAYLIGHTDAYLIGHT AREAAREA is the floor area under skylights or next towindows. The daylight area includes primary sidelit daylight area,secondary sidelit daylight area and skylit daylight area.

DEADBANDDEADBAND is the temperature range within which the HVACsystem is neither calling for heating or cooling.

DECORATIVEDECORATIVE GASGAS APPLIANCEAPPLIANCE is a gas appliance that is dsigned or installed for visual effect only, cannot burn solid wooand simulates a fire in a fireplace.

DEGREEDEGREE DAY,DAY, HEATING,HEATING, is a unit, based upon temperatudifference and time, used in estimating fuel consumption and speifying nominal annual heating load of a building. For any one dawhen the mean temperature is less than 65F, there exist as mandegree days as there are Fahrenheit degrees difference in temperture between the mean temperature for the day and 65F. The number of degree days for specific geographical locations are those lied in the Reference Joint Appendix. For those localities not listin the Reference Joint Appendix, the number of degree days is determined by the applicable enforcing agency.

DEMANDDEMAND RESPONSERESPONSE is controlling electricity loads in buildigs in response to an electronic signal sent by the local utility rquesting their customers to reduce electricity consumption.

DEMANDDEMAND RESPONSERESPONSE PERIODPERIOD is a period of time durinwhich the local utility is curtailing electricity loads by sending oa demand response signal.

DEMANDDEMAND RESPONSERESPONSE SIGNALSIGNAL is an electronic signal sent oby the local utility indicating a request to their customers to curt

electricity consumption.DEMANDDEMAND RESPONSIVERESPONSIVE LIGHTINGLIGHTING CONTROLCONTROL is a contrthat reduces lighting power consumption in response to a demanresponse signal.

DEMISINGDEMISING PARTITIONPARTITION is a wall, fenestration, floor or ceilithat separates conditioned space from enclosed unconditionspace.

DESIGNDESIGN CONDITIONSCONDITIONS are the parameters and conditions usto determine the performance requirements of space-conditionisystems. Design conditions for determining design heating ancooling loads are specified in Section 144(b) for nonresidentiahigh-rise residential, and hotelmotel buildings and in Secti150(h) for low-rise residential buildings.

DESIGNDESIGN HEATHEAT GAINGAIN RATERATE is the total calculated heat lothrough the building envelope under design conditions.

DESIGNDESIGN HEATHEAT LOSSLOSS RATERATE is the total calculated heat lothrough the building envelope under design conditions.

DIMMING,DIMMING, CONTINUOUSCONTINUOUS is a lighting control method thatcapable of varying the light output of lamps over a continuorange from full light output to minimum light output.

DIMMING,DIMMING, STEPPEDSTEPPED is a lighting control method that varies tlight output of lamps in one or more predetermined discrete stebetween full light output and off.

DIRECTDIRECT DIGITALDIGITAL CONTROLCONTROL (DDC)(DDC) is a type of contrwhere controlled and monitored analog or binary data, such

temperature and contact closures, are converted to digital formfor manipulation and calculations by a digital computer or micrprocessor, then converted back to analog or binary form to contrmechanical devices.

DISPLAYDISPLAY LIGHTINGLIGHTING is lighting confined to the area of a dplay that provides a higher level of illuminance than the level surrounding ambient illuminance.



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DISPLAYDISPLAY PERIMETERPERIMETER is the length of an exterior wall in aGroup B; Group F, Division 1; or Group M Occupancy that imme-diately abuts a public sidewalk, measured at the sidewalk level foreach story that abuts a public sidewalk.

DOORDOOR is an operable opening in the building envelope that is nota fenestration product, including swinging and roll-up doors, firedoors and access hatches. Doors that are more than one-half glassin area are considered a fenestration product.

DUAL-GLAZEDDUAL-GLAZED GREENHOUSEGREENHOUSE WINDOWSWINDOWS are a type ofdual-glazed fenestration product which adds conditioned volumebut not conditioned floor area to a building.

DUCTDUCT SEALINGSEALING is a procedure for installing a space-condition-ing distribution system that minimizes leakage of air from or to thedistribution system. Minimum specifications for installation proce-dures, materials, diagnostic testing and field verification are con-tained in the Reference Residential Appendix RA3 and ReferenceNonresidential Appendix NA1.

EAST-FACINGEAST-FACING (See orientation.)

ECONOMIZER,ECONOMIZER, AIR,AIR, is a ducting arrangement, includingdampers, linkages and an automatic control system that allows acooling supply fan system to supply outside air to reduce or elimi-

nate the need for mechanical cooling.ECONOMIZER,ECONOMIZER, WATER,WATER,is a system by which the supply air ofa cooling system is cooled directly or indirectly by evaporation ofwater, or other appropriate fluid, in order to reduce or eliminate theneed for mechanical cooling.

EFFECTIVEEFFECTIVE APERTUREAPERTURE (EA)(EA) is a measure of the extent thatvertical glazing or skylights are effective for providing daylighting.

EFFICACY,EFFICACY, LAMPLAMP is the quotient of rated initial lamp lumensdivided by the rated lamp power (watts), without including auxil-iaries such as ballasts, transformers and power supplies.

ELECTRONICALLY-COMMUTATEDELECTRONICALLY-COMMUTATED MOTORMOTOR is a brush-less DC motor with a permanent magnet rotor that is surrounded by

stationary motor windings, and an electronic controller that variesmotor speed and direction by sequentially supplying DC current tothe windings.

EMITTANCE,EMITTANCE, THERMALTHERMAL is the ratio of the radiant heat fluxemitted by a sample to that emitted by a blackbody radiator at thesame temperature.

ENCLOSEDENCLOSED SPACESPACE is space that is substantially surrounded bysolid surfaces, including walls, ceilings or roofs, doors, fenestra-tion areas, and floors or ground.

ENERGYENERGY BUDGETBUDGET is the maximum amount of Time DependentValuation (TDV) energy that a proposed building, or portion of abuilding, can be designed to consume, calculated with the approvedprocedures specified in Title 24, Part 6.

ENERGYENERGY EFFICIENCYEFFICIENCY RATIORATIO (EER)(EER) is the ratio of net cool-ing capacity (in Btu/hr) to total rate of electrical energy input (inwatts), of a cooling system under designated operating conditions,as determined using the applicable test method in the Appliance Ef-ficiency Regulations or Section 112.

ENERGYENERGY FACTORFACTOR (EF)(EF) of a water heater is a measure of oveall water heater efficiency as determined using the applicable temethod in the Appliance Efficiency Regulations.

ENERGYENERGY MANAGEMENTMANAGEMENT CONTROLCONTROL SYSTEMSYSTEM (EMCS)(EMCS)often a computerized control system designed to regulate the enegy consumption of a building by controlling the operation of enegy consuming systems, such as the heating, ventilation and air coditioning (HVAC), lighting and water heating systems. The EMCis also capable of monitoring environmental and system loads, aadjusting HVAC operations in order to optimize energy usage arespond to demand response signals.

ENERGYENERGY OBTAINEDOBTAINED FROMFROM DEPLETABLEDEPLETABLE SOURCESSOURCESelectricity purchased from a public utility, or any energy obtainfrom coal, oil, natural gas or liquefied petroleum gases.

ENERGYENERGY OBTAINEDOBTAINED FROMFROM NONDEPLETABLNONDEPLETABLSOURCESSOURCES is energy that is not energy obtained from depletabsources.

ENFORCEMENTENFORCEMENT AGENCYAGENCY is the city, county or state agenresponsible for issuing a building permit.

ENTIREENTIRE BUILDINGBUILDING is the ensemble of all enclosed space inbuilding, including the space for which a permit is sought, plus

existing conditioned and unconditioned space within the structurENVELOPEENVELOPE (See building envelope.)

EXFILTRATIONEXFILTRATION is uncontrolled outward air leakage from insia building, including leakage through cracks and interstices, arouwindows and doors, and through any other exterior partition or dupenetration.

EXTERIOREXTERIOR DOORDOOR is a door through an exterior partition thatopaque or has a glazed area that is less than or equal to one half the door area. Doors with a glazed area of more than one half of tdoor area are treated as a fenestration product.

EXTERIOREXTERIOR FLOORSOFFITFLOORSOFFIT is a horizontal exterior partitioor a horizontal demising partition, under conditioned space. F

low-rise residential occupancies, exterior floors also include thoon grade.

EXTERIOREXTERIOR PARTITIONPARTITION is an opaque, translucent or transpaent solid barrier that separates conditioned space from ambient aor space that is not enclosed. For low-rise residential occupancieexterior partitions also include barriers that separate conditionspace from unconditioned space, or the ground.

EXTERIOREXTERIOR ROOFCEILINGROOFCEILING is an exterior partition, ordemising partition, that has a slope less than 60 degrees from hozontal, that has conditioned space below, and that is not an exteridoor or skylight.

EXTERIOREXTERIOR ROOFCEILINGROOFCEILING AREAAREA is the area of the exterisurface of exterior roofceilings.

EXTERIOREXTERIOR WALLWALL is any wall or element of a wall, or any member or group of members, which defines the exterior boundaries courts of a building and which has a slope of 60 degrees or greatwith the horizontal plane. An exterior wall or


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partition is not an exterior floorsoffit, exterior door, exterior roof-ceiling, window, skylight or demising wall.

EXTERIOREXTERIOR WALLWALL AREAAREA is the area of the opaque exterior sur-face of exterior walls.

FACTORYFACTORY ASSEMBLEDASSEMBLED COOLINGCOOLING TOWERSTOWERS are coolingtowers constructed from factory-assembled modules either shippedto the site in one piece or put together in the field.

FENESTRATION,FENESTRATION, BAYBAY WINDOWWINDOW is a combination assembly

which is composed of three or more individual windows eitherjoined side by side or installed within opaque assemblies and whichprojects away from the wall on which it is installed. Center win-dows, if used, are parallel to the wall on which the bay is installed.The two side windows are angled with respect to the center win-dow(s). Common angles are 30 and 45, although other angles aresometimes employed.

FENESTRATION,FENESTRATION, CURTAINCURTAIN WALLWALL is an external nonbearingwall intended to separate the exterior and interior environments,which may consist entirely (or principally) of a combination offraming materials, glass and glazing, opaque in-fill and other sur-facing materials supported by or within a framework.

FENESTRATION,FENESTRATION, GARDENGARDEN WINDOWWINDOW is a window unit that

consists of a three-dimensional, five-sided structure, with or with-out an operating sash, also known as a greenhouse window.

FENESTRATIONFENESTRATION PRODUCTPRODUCT is any transparent or translucentmaterial plus any sash, frame, mullions and dividers, in the enve-lope of a building, including, but not limited to, windows, slidingglass doors, French doors, skylights, curtain walls, garden windowsand other doors with a glazed area of more than one half of the doorarea.

FENESTRATIONFENESTRATION PRODUCT,PRODUCT, FIELD-FABRICATEDFIELD-FABRICATED is afenestration product including a glazed exterior door whose frameis made at the construction site of standard dimensional lumber orother materials that were not previously cut, or otherwise formedwith the specific intention of being used to fabricate a fenestration

product or exterior door. Field-fabricated does not include site-built fenestration with a label certificate or products required tohave temporary or permanent labels.

FENESTRATIONFENESTRATION PRODUCT,PRODUCT, MANUFACTUREDMANUFACTURED is a fenes-tration product constructed of materials which are factory cut orotherwise factory formed with the specific intention of being usedto fabricate a fenestration product. A manufactured fenestrationproduct is typically factory-assembled before delivery to a job site.However a knocked-down or partially assembled product sold asa fenestration product is also a manufactured fenestration productwhen provided with temporary and permanent labels as describedin Section 10-111; otherwise it is a site-built fenestration productwhen provided with temporary and permanent labels as described

in Section 10-111.FENESTRATIONFENESTRATION PRODUCT,PRODUCT, SITE-BUILTSITE-BUILT is fenestration de-signed to be field-glazed or field assembled units using specificfactory cut or otherwise factory formed framing and glazing units.Examples of site-built fenestration include storefront systems, cur-tain walls and atrium roof systems.

FENESTRATIONFENESTRATION SYSTEMSYSTEM is a collection of fenestration prod-ucts included in the design of a building. (See fenestration prod-uct.)

FIELDFIELD ERECTEDERECTED COOLINGCOOLING TOWERSTOWERS are cooling towewhich are custom designed for a specific application and whicannot be delivered to a project site in the form of factory assembled modules due to their size, configuration or materials of costruction.

FIREPLACEFIREPLACE is a hearth and firechamber or similar preparplace in which a fire may be made and which is built in conjunctiwith a flue or chimney, including but not limited to factory-bufireplaces, masonry fireplaces and masonry heaters as further claified in the CBC.FLOORSOFFITFLOORSOFFIT TYPETYPE is a type of floorsoffit assembly havia specific heat capacity, framing type and U-factor.

FLUXFLUX is the rate of energy flow per unit area.

FOODFOOD PREPARATIONPREPARATION EQUIPMENTEQUIPMENT is cooking equipmeintended for commercial use, including coffee machines, esprescoffee makers, conductive cookers, food warmers including heatfood servers, fryers, griddles, nut warmers, ovens, popcorn makesteam kettles, ranges and cooking appliances for use in commerckitchens, restaurants or other business establishments where fois dispensed.

GASGAS COOLINGCOOLING EQUIPMENTEQUIPMENT is cooling equipment that pr

duces chilled water or cold air using natural gas or liquefied petrleum gas as the primary energy source.

GASGAS HEATINGHEATING SYSTEMSYSTEM is a natural gas or liquefied petroleugas heating system.

GASGAS LOGLOG is a self-contained, free-standing, open-flame, gaburning appliance consisting of a metal frame or base supportinsimulated logs, and designed for installation only in a vented firplace.

GENERALGENERAL LIGHTINGLIGHTING is lighting designed to provide a sustantially uniform level of illumination throughout an area, exclsive of any provision for special visual tasks or decorative effecWhen designed for lower-than-task illuminance used in conjuntion with other specific task lighting systems, it is also called ambient lighting.

GLAZINGGLAZING (See fenestration product.)

GOVERNMENTALGOVERNMENTAL AGENCYAGENCY is any public agency or subdivsion thereof, including, but not limited to, any agency of the staa county, a city, a district, an association of governments or a joipower agency.

GROSSGROSS EXTERIOREXTERIOR ROOFROOF AREAAREA is the sum of the skyligarea and the exterior roofceiling area.

GROSSGROSS EXTERIOREXTERIOR WALLWALL AREAAREA is the sum of the windoarea, door area and exterior wall area.

GU-24GU-24 is the designation of a lamp holder and socket configur

tion, based on a coding system by the International Energy Consotium, where G indicates the broad type of two or more projecing contacts, such as pins or posts, U distinguishes between lamand holder designs of similar type but that are not interchangeabdue to electrical or mechanical requirements, and 24 indicates millimeters center to center spacing of the electrical contact post



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HABITABLEHABITABLE STORYSTORY is a story that contains space in which hu-mans may work or live in reasonable comfort, and that has at least50 percent of its volume above grade.

HEATHEAT CAPACITYCAPACITY (HC)(HC) is the amount of heat necessary to raisethe temperature of all the components of a unit area in an assemblyby 1F. It is calculated as the sum of the average thickness timesthe density times the specific heat for each component, and is ex-

pressed in Btuft2 F.

HEATHEAT PUMPPUMP is a device that is capable of heating by refrigera-tion, and that may include a capability for cooling.

HEATEDHEATED SLABSLAB FLOORFLOOR is a concrete slab floor or a lightweightconcrete topping slab laid over a raised floor, with embedded spaceheating by any means. The heating system using the heated slabfloor is sometimes referred to as radiant slab floors or radiant heat-ing.

HEATINGHEATING EQUIPMENTEQUIPMENT is equipment used to provide mechan-ical heating for a room or rooms in a building.

HEATINGHEATING SEASONALSEASONAL PERFORMANCEPERFORMANCE FACTORFACTOR (HSPF)(HSPF)is the total heating output of a central air-conditioning heat pump(in Btu) during its normal use period for heating divided by the to-tal electrical energy input (in watt-hours) during the same period,as determined using the applicable test method in the Appliance Ef-ficiency Regulations.

HIHI is the Hydronics Institute of the Gas Appliance ManufacturersAssociation (GAMA).

HIHI HTGHTG BOILERBOILER STANDARDSTANDARD is the Hydronics Institute doc-ument entitled Testing and Rating Standard for Rating Boilers,1989.

HIGH-RISEHIGH-RISE RESIDENTIALRESIDENTIAL BUILDINGBUILDING is a building, otherthan a hotelmotel, of occupancy Group R, Division 1 with four ormore habitable stories.

HOTELMOTELHOTELMOTEL is a building or buildings incorporating six ormore guest rooms or a lobby serving six or more guest rooms,

where the guest rooms are intended or designed to be used, orwhich are used, rented or hired out to be occupied, or which are oc-cupied for sleeping purposes by guests, and all conditioned spaceswithin the same building envelope. Hotelmotel also includes allconditioned spaces which are (1) on the same property as the hotel-motel, (2) served by the same central heating, ventilation and air-conditioning system as the hotelmotel, and (3) integrally related tothe functioning of the hotelmotel as such, including, but not limit-ed to, exhibition facilities, meeting and conference facilities, foodservice facilities, lobbies and laundries.

HVAC SYSTEMHVAC SYSTEM (See space-conditioning system.)

IESNA HBIESNA HB (See IESNA Lighting Handbook.)

IESNAIESNA LIGHTINGLIGHTING HANDBOOKHANDBOOK is the Illuminating Engineer-ing Society National Association document entitled The IESNALighting Handbook: Reference and Applications, Ninth Edition.(2000)

INFILTRATIONINFILTRATION is uncontrolled inward air leakage from outsidea building or unconditioned space, including leakage through

cracks and interstices, around windows and doors, and through another exterior or demising partition or pipe or duct penetration.

INTEGRATEDINTEGRATED PARTPART LOADLOAD VALUEVALUE (IPLV)(IPLV) is a single-number figure of merit based on part load EER or COP expressing pload efficiency for air-conditioning and heat pump equipment othe basis of weighted operation at various load capacities for tequipment as determined using the applicable test method in thAppliance Efficiency Regulations or Section 112.

ISOISO 13256-113256-1 is the International Organization for Standardizatidocument entitled Water-source heat pumps - Testing and ratinfor performance - Part 1: Water-to-air and brine-to-air hepumps, 1998.

KITCHENKITCHEN (See residential space type.)

LIGHTLIGHT EMITTINGEMITTINGDIODEDIODE (LED)(LED) is apn junction semicondutor device that emits incoherent optical radiation when biased in tforward direction. The acronym LED typically refers to an LEComponent, LED Device or LED Package.

HybridHybrid LEDLED LuminaireLuminaire is a complete lighting unit consistiof a light source and driver together with parts to distribute ligto position and protect the light source, and to connect the ligsource to a branch circuit. The light sources in the Hybrid LE

Luminaire contain both LED Source Systems, or LED Lamps, well as other types of light sources such as incandescent or flurescent lamps. The Hybrid LED Luminaire is intended to be conected directly to a branch circuit.

LEDLED ArrayArray is an assembly of LED Components, LED Devicor LED Packages on a printed circuit board or substrate, possibwith optical elements and additional thermal, mechanical aelectrical (LED Control Circuitry) interfaces that are connectto the load side of LED Driver (Power Source). LED Array donot contain an LED Driver (Power Source) and is not connectdirectly to the branch circuit.

LEDLED ComponentComponent (or LED Device, or LED Package) is a semconductor die that contains wire bond connections, possibly wi

an optical element, or a thermal, mechanical, or electrical inteface. LED Component, LED Device, or LED Package does ncontain an LED Driver (Power Source) and is not connected drectly to the branch circuit.

LEDLED ControlControl CircuitryCircuitry is electronic components located btween the Power Source (LED Driver) and the LED Componeor LED Device, or LED Package designed to limit voltage acurrent, to dim, to switch or otherwise control the electrical enegy to the LED. The circuitry does not include a Power Source.

LEDLED DriverDriver is a power source with integral LED control circury designed to meet the specific requirements of an LED Laman LED Array or an LED Module. Typically, an LED Driv(Power Source) contains the LED Control Circuitry.

LEDLED LampLamp is an LED Component, LED Device, or LED Pacage and other optical, thermal, mechanical and electrical (LEControl Circuitry) components with an integrated LED Driv(Power Source) and a standardized base that is designed to conect to the branch circuit via a standardized base, lamp-holder socket.


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In North America, a standardized base refers to an ANSI stan-dard base. In the U.S., branch circuit is used to describe themains voltage in IEC documents.

Note:Note: Nonintegrated type of LED Lamp should not be defined; itis an LED Module.

LEDLED LightLight EngineEngine withwith IntegralIntegral HeatHeat SinkSink(or LED LightSource System) is a subsystem of an LED Luminaire that in-cludes one or more LED Components, LED Devices or LED

Packages, an LED Array, or LED Module; an LED Driver (Pow-er Source); electrical and mechanical interfaces; and an integralheat sink to provide thermal dissipation. An LED Source Systemmay be designed to accept additional components that provideaesthetic, optical and environmental control (other than thermaldissipation.) An LED Source System with standardized base is anLED Lamp.

LEDLED LuminaireLuminaire is a complete LED lighting unit consisting ofa light source and driver together with parts to distribute light,to position and protect the light source, and to connect the lightsource to a branch circuit. The light source itself may be LEDComponents, LED Packages or LED Devices, LED Array, anLED Module, an LED Source System, or an LED Lamp. TheLED Luminaire is intended to be connected directly to a branchcircuit.LEDLED ModuleModule is a component part of an LED Source System thatincludes one or more LED Components, LED Devices or LEDPackages, possibly with optical elements and additional thermal,mechanical and electrical (LED Control Circuitry) interfaces thatare connected to the load side of LED Drive (Power Source). TheLED Module does not contain a power source. An LED Array isequivalent to an LED Module.

LISTEDLISTED is equipment, materials or services included in a list pub-lished by an organization that is recognized to have the authority toevaluate and test the equipment, material or services. The organiza-tion performs periodic inspection and evaluation to ensure that thelisted equipments, material or services meet identified standards or

has been tested and found suitable for a specified purpose. The rec-ognized organizations include Underwriters Laboratories (UL) andother nationally recognized testing/rating laboratories.

LOW-RISELOW-RISE RESIDENTIALRESIDENTIAL BUILDINGBUILDING is a building, otherthan a hotel/motel that is of Occupancy Group R Division 1, and ismultifamily with three stories or less, or a single family residenceof Occupancy R, Division 3 or an Occupancy Group U building lo-cated on a residential site.

LPGLPG is liquefied petroleum gas.

LUMINAIRELUMINAIRE is a complete lighting unit consisting of a lamp(s)and the parts designed to distribute the light, to position and protectthe lamp (s), and to connect the lamp (s) to the power supply; com-

monly referred to as lighting fixtures.MANUALMANUAL is capable of being operated by personal intervention.

MANUFACTUREDMANUFACTURED DEVICEDEVICE is any heating, cooling, ventila-tion, lighting, water heating, refrigeration, cooking, plumbing fit-ting, insulation, door, fenestration product or any other appliance,device, equipment or system subject to Sections 110 through 119of Title 24, Part 6.

MECHANICALMECHANICAL COOLINGCOOLING is lowering the temperature witha space using refrigerant compressors or absorbers, desiccant dhumidifiers or other systems that require energy from depletabsources to directly condition the space. In non-residential, high-riresidential and hotel/motel buildings, cooling of a space by direor indirect evaporation of water alone is not considered mechaniccooling.

MECHANICALMECHANICAL HEATINGHEATING is raising the temperature withinspace using electric resistance heaters, fossil fuel burners, hepumps or other systems that require energy from depletable sourcto directly condition the space.

METALMETAL BUILDINGBUILDING is a complete integrated set of mutually dpendent components and assemblies that form a building, whiconsists of a steel-framed superstructure and metal skin. This donot include structural glass or metal panels such as in a curtainwsystem.

MODELINGMODELINGASSUMPTIONSASSUMPTIONS are the conditions (such as weater conditions, thermostat settings and schedules, internal gaschedules, etc.)that are used for calculating a buildings annual eergy consumption as specified in the Alternative Calculation Metods Manuals.

MOTIONMOTION SENSOR,SENSOR, LIGHTING,LIGHTING,is a device that automaticalturns lights off soon after an area is vacated. The term motion sesor applies to a device that controls outdoor lighting system. Whthe device is used to control indoor lighting systems, it is terman occupant sensor. The device also may be called an occupansensor, occupant-sensing device or vacancy sensor.

MOVABLEMOVABLE SHADINGSHADING DEVICEDEVICE (See operable shading dvice.)

MULTILEVELMULTILEVEL LIGHTINGLIGHTING CONTROLCONTROL is a lighting contrthat reduces lighting power in multiple steps while main-tainingreasonably uniform level of illuminance throughout the area cotrolled.

MULTISCENEMULTISCENE PROGRAMMABLEPROGRAMMABLE SYSTEMSYSTEM is a lighti

control device that has the capability of setting light levels througout a continuous range, and that has pre-established settings withthe range.

NEWLYNEWLY CONDITIONEDCONDITIONED SPACESPACE is any space being convertfrom unconditioned to directly conditioned or indirectly condtioned space. Newly conditioned space must comply with the rquirements for an addition. See Section 149 for nonresidential ocupancies and Section 152 for residential occupancies.

NEWLYNEWLY CONSTRUCTEDCONSTRUCTED BUILDINGBUILDING is a building that hnever been used or occupied for any purpose.

NFRCNFRC 100100 is the National Fenestration Rating Council documeentitled NFRC 100:Procedure for Determining Fenestration Prouct U-factors. (2007; NFRC 100 includes procedures for site feestration formerly included in a separate document, NFR100-SB.)

NFRCNFRC 200200 is the National Fenestration Rating Council documeentitled NFRC 200: procedure for Determining Fenes-

http://sibr/org.nfrc.NFRC_100-2004_E1A8.pdfhttp://sibr/org.nfrc.NFRC_100-2004_E1A8.pdfhttp://sibr/org.nfrc.NFRC_100-2004_E1A8.pdfhttp://sibr/org.nfrc.NFRC_200-2004_E1A5.pdfhttp://sibr/org.nfrc.NFRC_200-2004_E1A5.pdfhttp://sibr/org.nfrc.NFRC_200-2004_E1A5.pdfhttp://sibr/org.nfrc.NFRC_200-2004_E1A5.pdfhttp://sibr/org.nfrc.NFRC_100-2004_E1A8.pdf


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tration Product Solar Heat Gain Coefficients and Visible Transmit-tance at Normal Incidence.(2007)

NFRCNFRC 400400 is the National Fenestration Rating Council documententitled NFRC 400: Procedure for Determining FenestrationProduct Air Leakage.(2007)

NONRESIDENTIALNONRESIDENTIAL BUILDINGBUILDING is any building which is aGroup A, B, E, F, H, M or S, and is a U Occupancy when the GroupU Occupancy is on a nonresidential site.

Note:Note: Requirements for high-rise residential buildings and ho-tels/motels are included in the nonresidential sections of Title24, Part 6.

NONRESIDENTIALNONRESIDENTIAL COMPLIANCECOMPLIANCE MANUALMANUAL is the manualdeveloped by the Commission, under Section 25402.1(e) of thePublic Resources Code, to aid designers, builders and contractorsin meeting the energy efficiency requirements for nonresidential,high-rise residential and hotel/motel buildings.

NONRESIDENTIALNONRESIDENTIAL FUNCTIONFUNCTION AREAAREA OROR TYPETYPE OFOF USEUSEis one of the following:

AtriumAtrium is a large-volume space created by openings connectingtwo or more stories and is used for purposes other than an en-closed stairway, an elevator hoistway, an escalator opening or as

a utility shaft for plumbing, electrical, air-conditioning or otherequipment and is not a mall.

AuditoriumAuditorium is a public building where an audience sits in fixedseating, or a room, area or building with fixed seats used for pub-lic meetings or gatherings not specifically for the viewing of dra-matic performances.

AutoAuto repairrepair is the portion of a building used to repair automotiveequipment and/or vehicles, exchange parts, and may includework using an open flame or welding equipment.

BeautyBeauty salonsalon is a room or area in which the primary activity ismanicures, pedicures, facials, or the cutting or styling of hair. Al-so known as beauty shop or beauty parlor.

CivicCivic meetingmeeting placeplace is a city council or board of supervisorsmeeting chamber, courtroom or other official meeting space ac-cessible to the public.

ClassroomClassroom buildingbuilding is a building or group of buildings thatis predominately classrooms used by an organization that pro-vides instruction to students, which may include corridors andstairways, restrooms and small storage closets, faculty offices,and workshops and labs. A classroom building does not includebuildings that are not predominantly classroom, including audi-torium, gymnasium, kitchen, library, multipurpose, dining andcafeteria, student union, maintenance staff workroom or storagebuildings.

Classroom,Classroom, lecture,lecture, training,training, vocationalvocational roomroom is a room or area

where an audience or class receives instruction.CommercialCommercial andand industrialindustrial storagestorage is a room, area or buildingused for storing items.

Convention,Convention, conference,conference, multipurposemultipurpose andand meetingmeeting centerscenters isan assembly room, area or building that is used for meetings, con-ventions and multiple purposes, including, but not limited to, dra-

matic performances, and that has neither fixed seating nor fixestaging.

CorridorCorridor is a passageway or route into which compartments rooms open.

DiningDining is a room or rooms in a restaurant or hotel/motel (oththan guest rooms) where meals that are served to the customewill be consumed.

DormitoryDormitory is a building consisting of multiple sleeping quarte

and having interior common areas such as dining rooms, readirooms, exercise rooms, toilet rooms, study rooms, hallways, lobies, corridors and stairwells, other than high-rise residentialow-rise residential and hotel/motel occupancies.

Electrical/Electrical/mechanical/mechanical/telephonetelephone roomroom is a room in which tbuildings electrical switchbox or control panels, telephoswitchbox, and/or HVAC controls or equipment is located.

ExerciseExercise center/center/gymnasiumgymnasium is a room or building equipped fgymnastics, exercise equipment or indoor athletic activities.

ExhibitExhibit is a room or area that is used for exhibitions that has nether fixed seating nor fixed staging.

FinancialFinancial institutioninstitution is a public establishment used for conduc

ing financial transactions including the custody, loan, exchanor issue of money, for the extension of credit, and for facilitatithe transmission of funds.

FinancialFinancial transactionstransactions is the teller, work station, and customewaiting areas to complete financial transactions. Financial tranaction areas do not include private offices, hallways, restrooms other support areas.

GeneralGeneral commercialcommercial andand industrialindustrial workwork is a room, area building in which and art, craft, assembly or manufacturing opeation is performed.

High bay:High bay: Luminaires 25 feet or more above the floor.

Low bay:Low bay: Luminaires less than 25 feet above the floor.

Precision:Precision: Involving visual tasks of small size or fine detasuch as electronic assembly, fine woodworking metal lathe oeration, fine hand painting and finishing, egg processing opertions or tasks of similar visual difficulty.

GroceryGrocery salessales is a room, area or building that has as its primapurpose the sale of foodstuffs requiring additional preparatiprior to consumption.

GroceryGrocery storestore is a building that has as its primary purpose thsale of foodstuffs requiring additional preparation prior to cosumption.

HotelHotel functionfunction areaarea is a hotel room or area such as a hotel baroom, meeting room, exhibit hall or conference room. togethwith pre-function areas and other spaces ancillary to its functio

Housing,Housing, PublicPublic andand CommonsCommons AreasAreas is housing other than Ocupancy Group I that are living quarters. Commons areas may iclude dining, reading, study, library or other community spacand/or medical treatment or hospice facilities.


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http://sibr/org.nfrc.NFRC_400-2004_E1A0.pdfhttp://sibr/org.nfrc.NFRC_400-2004_E1A0.pdfhttp://sibr/org.nfrc.NFRC_400-2004_E1A0.pdfhttp://sibr/org.nfrc.NFRC_400-2004_E1A0.pdf


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Multifamily:Multifamily: A multifamily building contains multiple dwellingunits that share common walls and may also share common floorsor ceilings (apartments).

Dormitory:Dormitory: A space in a building where group sleeping accom-modations are provided in one room, or in a series of closelyassociated rooms, for persons not members of the same familygroup, under joint occupancy and single management, as in col-lege dormitories or fraternity houses.

SeniorSenior housing:housing: Is specifically for habitation by seniors, includ-ing but not limited to independent living quarters, and assistedliving quarters.

Kitchen/Kitchen/foodfood preparationpreparation is a room or area with cooking facili-ties and/or an area where food is prepared.

Laboratory,Laboratory, ScientificScientific is a space or facility where research, ex-periments and measurement in medical and physical sciences areperformed requiring examination of fine details. The space mayinclude workbenches, countertops, scientific instruments and as-sociated floor spaces. Scientific laboratory does not refer to film,computer and other laboratories where scientific experiments arenot performed.

LaundryLaundry is a place where laundering activities occur.

LibraryLibrary is a repository for literary materials, such as books, pe-riodicals, newspapers, pamphlets and prints, kept for reading orreference.

ReadingReading areas:areas: Is a library facility term describing areas withina prescribed building space containing tables, chairs or desksfor library patrons to use for the purpose of reading books andother reference documents. Library reading areas include read-ing, circulation and checkout areas. Reading areas do not in-clude private offices, meeting, photocopy or other rooms notused specifically for reading by library patrons.

Stacks:Stacks: Is a library facility term describing a large groupingof shelving sections within a prescribed building space. Stackaisles include pedestrian paths located in stack areas. Bookstack aisle lighting is typically a central aisle luminaire distrib-uting light to stack faces on both sides of an aisle.

Lobby:Lobby:

Hotel:Hotel: Is the contiguous space in a hotel/motel between themain entrance and the front desk, including reception, waitingand seating areas.

MainMain entry:entry: Is the contiguous space in buildings other thanhotel/motel that is directly located by the main entrance of thebuilding through which persons must pass, including reception,waiting and seating areas.

Locker/Locker/dressingdressing roomroom is a room or area for changing clothing,sometimes equipped with lockers.

Lounge/Lounge/recreationrecreation is a room used for leisure activities whichmay be associated with a restaurant or bar.

MallMall is a roofed or covered common pedestrian area within amall building that serves as access for two or more tenants.

MedicalMedical andand clinicalclinical carecare is a non I occupancy room or areaa building that does not provide over night patient care and thatused to provide physical and mental care through medical, denor psychological examination and treatment, including, but nlimited to, laboratories and treatment spaces.

MedicalMedical buildingsbuildings andand clinicsclinics is a building where medical anclinical care is provided.

MuseumMuseum is a space in which the primary function is the care

exhibit of works of artistic, historical or scientific value. A musum does not include a gallery or other place where art is for saA museum does not include a lobby, conference room or othoccupancies where the primary function is not the care or exhibof works of artistic, historical or scientific value.

OfficeOffice is a room, area or building of CBC Group B Occupanother than restaurants.

ParkingParking garagegarage is a covered building or structure for the purpoof parking vehicles, which consists of at least a roof over tparking area, enclosed with walls on all sides. Parking garagmay have fences, rails, partial walls or other barriers in place one or more walls. The structure has an entrance(s) and exit(sand includes areas for vehicle maneuvering to reach the parkin

spaces. If the roof of a parking structure is also used for parkinthe section without an overhead roof is considered a parking linstead of a parking garage.

ParkingParking areaarea is the area of a parking garage used for purpoof parking and maneuvering of vehicles on a single floor, awhich is not the roof of a parking structure.

RampsRamps andand entriesentries are driveways for the purpose of movinvehicles between floors of a parking garage. Parking entries adriveways for the purpose of vehicles entering into a parkingarage.

ReligiousReligious facilityfacility is a building in which the primary functionfor an assembly of people to worship. Religious facilities do ninclude classroom, housing or gymnasium buildings.

ReligiousReligious worshipworship is a room, area or building in which the prmary function is for an assembly of people to worship Religioworship does not include classrooms, offices or other areas which the primary function is not for an assembly of people worship.

RestaurantRes

Documents

2010 California Energy Code