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VA Energy Conservation Code 2021 1stptg

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Virginia Energy Conservation Code

Published By Publication Date Number of Pages
VA 2021 319
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This is a fully integrated code based on the 2021 International Energy Conservation Code®.

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PDF Pages PDF Title
1 2021 VIRGINIA ENERGY CONSERVATION CODE
2 2021 VIRGINIA ENERGY CONSERVATION CODE
3 COPYRIGHT
4 PREFACE
6 PREVIOUS ADOPTIONS AND AMENDMENTS OF THE USBC AND SFPC
10 TABLE OF CONTENTS
12 VECC—COMMERCIAL PROVISIONS
TABLE OF CONTENTS
14 CHAPTER 1 ADMINISTRATION
SECTION 101 GENERAL
15 SECTION 102 PURPOSE AND SCOPE
16 SECTION 103 APPLICATION OF CODE
18 SECTION 104 ENFORCEMENT, GENERALLY
19 SECTION 105 LOCAL BUILDING DEPARTMENT
20 SECTION 106 POWERS AND DUTIES OF THE BUILDING OFFICIAL
SECTION 107 FEES
SECTION 108 APPLICATION FOR PERMIT
23 SECTION 109 CONSTRUCTION DOCUMENTS
SECTION 110 PERMITS
25 SECTION 111 RDP SERVICES
SECTION 112 WORKMANSHIP, MATERIAL AND EQUIPMENT
28 SECTION 113 INSPECTIONS
29 SECTION 114 STOP WORK ORDERS
SECTION 115 VIOLATIONS
30 SECTION 116 CERTIFICATES OF OCCUPANCY
31 SECTION 117 TEMPORARY AND MOVED BUILDINGS AND STRUCTURES; DEMOLITION
SECTION 118 BUILDINGS OR STRUCTURES THAT BECOME A THREAT TO PUBLIC SAFETY DURING CONSTRUCTION
32 SECTION 119 APPEALS
36 CHAPTER 2 [CE] DEFINITIONS
SECTION C201 GENERAL
SECTION C202 GENERAL DEFINITIONS
44 CHAPTER 3 [CE] GENERAL REQUIREMENTS
SECTION C301 CLIMATE ZONES
45 FIGURE C301.1 CLIMATE ZONES
46 TABLE C301.1 CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
47 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
48 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
49 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
50 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
51 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
52 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
53 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
54 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
55 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
56 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
57 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
58 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
59 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
60 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
61 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
62 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
63 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
64 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
65 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
66 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
67 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
68 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
69 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
70 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
71 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
72 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
73 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
74 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
75 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
76 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
77 TABLE C301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
78 EQUATION 3-1
EQUATION 3-2
EQUATION 3-3
79 TABLE C301.3 THERMAL CLIMATE ZONE DEFINITIONS
SECTION C302 DESIGN CONDITIONS
SECTION C303 MATERIALS, SYSTEMS AND EQUIPMENT
80 TABLE C303.1.3(1) DEFAULT GLAZED WINDOW, GLASS DOOR AND SKYLIGHT U-FACTORS
TABLE C303.1.3(2) DEFAULT OPAQUE DOOR U-FACTORS
TABLE C303.1.3(3) DEFAULT GLAZED FENESTRATION SHGC AND VT
82 CHAPTER 4 [CE] COMMERCIAL ENERGY EFFICIENCY
SECTION C401 GENERAL
SECTION C402 BUILDING ENVELOPE REQUIREMENTS
83 TABLE C402.1.1.1 FENESTRATION THERMAL ENVELOPE MAXIMUM REQUIREMENTS
84 TABLE C402.1.3 OPAQUE THERMAL ENVELOPE INSULATION COMPONENT MINIMUM REQUIREMENTS, R-VALUE METHODa
85 TABLE C402.1.4 OPAQUE THERMAL ENVELOPE ASSEMBLY MAXIMUM REQUIREMENTS, U-FACTOR METHOD a, b
86 EQUATION 4-1
TABLE C402.1.4.2 EFFECTIVE R-VALUES FOR STEEL STUD WALL ASSEMBLIES
EQUATION 4-2
88 TABLE C402.3 MINIMUM ROOF REFLECTANCE AND EMITTANCE OPTIONSa
EQUATION 4-3
89 TABLE C402.4 BUILDING ENVELOPE FENESTRATION MAXIMUM U-FACTOR AND SHGC REQUIREMENTS
EQUATION 4-4
90 EQUATION 4-5
93 TABLE C402.5.4 MAXIMUM AIR LEAKAGE RATE FOR FENESTRATION ASSEMBLIES
94 SECTION C403 BUILDING MECHANICAL SYSTEMS
95 TABLE C403.1.2(1) MAXIMUM DESIGN MECHANICAL LOAD COMPONENT(DESIGN MLC)
TABLE C403.1.2(2) MAXIMUM ANNUALIZED MECHANICAL LOAD COMPONENT(ANNUALIZED MLC)
96 EQUATION 4-6
EQUATION 4-7
97 TABLE C403.3.2(1) ELECTRICALLY OPERATED UNITARY AIR CONDITIONERS AND CONDENSING UNITS—MINIMUM EFFICIENCY REQUIREMENTSc, d
98 TABLE C403.3.2(1)—continued ELECTRICALLY OPERATED UNITARY AIR CONDITIONERS AND CONDENSING UNITS—MINIMUM EFFICIENCY REQUIREMENTSc, d
99 TABLE C403.3.2(1)—continued ELECTRICALLY OPERATED UNITARY AIR CONDITIONERS AND CONDENSING UNITS—MINIMUM EFFICIENCY REQUIREMENTSc, d
100 TABLE C403.3.2(2) ELECTRICALLY OPERATED AIR-COOLED UNITARY HEAT PUMPS—MINIMUM EFFICIENCY REQUIREMENTSc, d
101 TABLE C403.3.2(2)—continued ELECTRICALLY OPERATED AIR-COOLED UNITARY HEAT PUMPS—MINIMUM EFFICIENCY REQUIREMENTSc, d
102 TABLE C403.3.2(3) WATER-CHILLING PACKAGES—MINIMUM EFFICIENCY REQUIREMENTSa, b, e, f
103 TABLE C403.3.2(4) ELECTRICALLY OPERATED PACKAGED TERMINAL AIR CONDITIONERS, PACKAGED TERMINAL HEAT PUMPS,SINGLE-PACKAGE VERTICAL AIR CONDITIONERS, SINGLE-PACKAGE VERTICAL HEAT PUMPS, ROOM AIR CONDITIONERS AND ROOM AIR-CONDITIONER HEAT PUMPS—MINIMUM EFFICIENCY REQUIREMENTSe
104 TABLE C403.3.2(4)—continued ELECTRICALLY OPERATED PACKAGED TERMINAL AIR CONDITIONERS, PACKAGED TERMINAL HEAT PUMPS,SINGLE-PACKAGE VERTICAL AIR CONDITIONERS, SINGLE-PACKAGE VERTICAL HEAT PUMPS, ROOM AIR CONDITIONERSAND ROOM AIR-CONDITIONER HEAT PUMPS—MINIMUM EFFICIENCY REQUIREMENTSe
105 TABLE C403.3.2(5) WARM-AIR FURNACES AND COMBINATION WARM-AIR FURNACES/AIR-CONDITIONING UNITS,WARM-AIR DUCT FURNACES AND UNIT HEATERS—MINIMUM EFFICIENCY REQUIREMENTSg
106 TABLE C403.3.2(6) GAS- AND OIL-FIRED BOILERS—MINIMUM EFFICIENCY REQUIREMENTSi
107 TABLE C403.3.2(7) PERFORMANCE REQUIREMENTS FOR HEAT REJECTION EQUIPMENT—MINIMUM EFFICIENCY REQUIREMENTSi
108 TABLE C403.3.2(7)—continued PERFORMANCE REQUIREMENTS FOR HEAT REJECTION EQUIPMENT—MINIMUM EFFICIENCY REQUIREMENTSi
TABLE C403.3.2(8) ELECTRICALLY OPERATED VARIABLE-REFRIGERANT-FLOW AIR CONDITIONERS—MINIMUM EFFICIENCY REQUIREMENTSb
109 TABLE C403.3.2(9) ELECTRICALLY OPERATED VARIABLE-REFRIGERANT-FLOW AND APPLIED HEAT PUMPS—MINIMUM EFFICIENCY REQUIREMENTSb
110 TABLE C403.3.2(9)—continued ELECTRICALLY OPERATED VARIABLE-REFRIGERANT-FLOW ANDAPPLIED HEAT PUMPS—MINIMUM EFFICIENCY REQUIREMENTSb
111 TABLE C403.3.2(10) FLOOR-MOUNTED AIR CONDITIONERS AND CONDENSING UNITS SERVING COMPUTER ROOMS—MINIMUM EFFICIENCY REQUIREMENTSb
112 TABLE C403.3.2(10)—continued FLOOR-MOUNTED AIR CONDITIONERS AND CONDENSING UNITS SERVINGCOMPUTER ROOMS—MINIMUM EFFICIENCY REQUIREMENTSb
113 TABLE C403.3.2(11) VAPOR-COMPRESSION-BASED INDOOR POOL DEHUMIDIFIERS—MINIMUM EFFICIENCY REQUIREMENTSb
TABLE C403.3.2(12) ELECTRICALLY OPERATED DX-DOAS UNITS, SINGLE-PACKAGE AND REMOTE CONDENSER, WITHOUT ENERGY RECOVERY—MINIMUM EFFICIENCY REQUIREMENTSb
TABLE C403.3.2(13) ELECTRICALLY OPERATED DX-DOAS UNITS, SINGLE-PACKAGE AND REMOTE CONDENSER, WITH ENERGY RECOVERY—MINIMUM EFFICIENCY REQUIREMENTSb
114 TABLE C403.3.2(14) ELECTRICALLY OPERATED WATER-SOURCE HEAT PUMPS—MINIMUM EFFICIENCY REQUIREMENTSc
115 TABLE C403.3.2(15) HEAT-PUMP AND HEAT RECOVERY CHILLER PACKAGES—MINIMUM EFFICIENCY REQUIREMENTSg
116 TABLE C403.3.2(16) CEILING-MOUNTED COMPUTER-ROOM AIR CONDITIONERS—MINIMUM EFFICIENCY REQUIREMENTSb
117 TABLE C403.3.2(16)—continued CEILING-MOUNTED COMPUTER-ROOM AIR CONDITIONERS—MINIMUM EFFICIENCY REQUIREMENTSb
TABLE C403.3.3 MAXIMUM HOT GAS BYPASS CAPACITY
TABLE C403.3.4 BOILER TURNDOWN
120 TABLE C403.4.4 VARIABLE SPEED DRIVE (VSD) REQUIREMENTS FORDEMAND-CONTROLLED PUMPS
TABLE C403.5(1) MINIMUM CHILLED-WATER SYSTEM COOLING CAPACITY FORDETERMINING ECONOMIZER COOLING REQUIREMENTS
121 TABLE C403.5(2) EQUIPMENT EFFICIENCY PERFORMANCE EXCEPTIONFOR ECONOMIZERS
TABLE C403.5.1 DX COOLING STAGE REQUIREMENTSFOR MODULATING AIRFLOW UNITS
122 TABLE C403.5.3.3 HIGH-LIMIT SHUTOFF CONTROL SETTING FOR AIR ECONOMIZERSb
125 TABLE C403.7.4.2(1) ENERGY RECOVERY REQUIREMENT (Ventilation systems operating less than 8,000 hours per year)
126 TABLE C403.7.4.2(2) ENERGY RECOVERY REQUIREMENT (Ventilation systems operating not less than 8,000 hours per year)
TABLE C403.7.5 MAXIMUM NET EXHAUST FLOW RATE,CFM PER LINEAR FOOT OF HOOD LENGTHDELETED
127 TABLE C403.8.1(1) FAN POWER LIMITATION
128 TABLE C403.8.1(2) FAN POWER LIMITATION PRESSURE DROP ADJUSTMENT
129 TABLE C403.8.5 LOW-CAPACITY VENTILATION FAN EFFICACYa
TABLE C403.8.6.1 COOLING SYSTEMS
131 TABLE C403.11.1 MINIMUM EFFICIENCY REQUIREMENTS: COMMERCIAL REFRIGERATORS AND FREEZERS AND REFRIGERATION
132 TABLE C403.11.1—continued MINIMUM EFFICIENCY REQUIREMENTS: COMMERCIAL REFRIGERATORS AND FREEZERS AND REFRIGERATION
133 TABLE C403.11.2.1(1) WALK-IN COOLER AND FREEZER DISPLAY DOOR EFFICIENCY REQUIREMENTSa
TABLE C403.11.2.1(2) WALK-IN COOLER AND FREEZER NONDISPLAY DOOR EFFICIENCY REQUIREMENTSa
TABLE C403.11.2.1(3)WALK-IN COOLER AND FREEZER REFRIGERATION SYSTEM EFFICIENCY REQUIREMENTS
TABLE C403.11.2.1(1) WALK-IN COOLER AND FREEZER DISPLAY DOOR EFFICIENCY REQUIREMENTSa
135 EQUATION 4-8
TABLE C403.12.3 MINIMUM PIPE INSULATION THICKNESS (in inches)a, c
136 SECTION C404 SERVICE WATER HEATING
137 TABLE C404.2 MINIMUM PERFORMANCE OF WATER-HEATING EQUIPMENT
138 TABLE C404.2—continued MINIMUM PERFORMANCE OF WATER-HEATING EQUIPMENT
TABLE C404.5.1 PIPING VOLUME AND MAXIMUM PIPING LENGTHS DELETED
TABLE C404.5.2.1 INTERNAL VOLUME OF VARIOUS WATER DISTRIBUTION TUBING DELETED
139 SECTION C405 ELECTRICAL POWER AND LIGHTING SYSTEMS
141 EQUATION 4-9
143 FIGURE C405.2.4.2(1) PRIMARY AND SECONDARY SIDELIT DAYLIGHT ZONES
FIGURE C405.2.4.2(2) DAYLIGHT ZONE UNDER A ROOFTOP MONITOR
FIGURE C405.2.4.2(3) DAYLIGHT ZONE UNDER A SLOPED ROOFTOP MONITOR
144 FIGURE C405.2.4.3 TOPLIT DAYLIGHT ZONE
145 FIGURE C405.2.4.4 DAYLIGHT ZONES AT A MULTISTORY ATRIUM
146 EQUATION 4-10
147 TABLE C405.3.2(1) INTERIOR LIGHTING POWER ALLOWANCES: BUILDING AREA METHOD
148 TABLE C405.3.2(2) INTERIOR LIGHTING POWER ALLOWANCES: SPACE-BY-SPACE METHOD
TABLE C405.3.2(2)—continued INTERIOR LIGHTING POWER ALLOWANCES: SPACE-BY-SPACE METHOD
149 TABLE C405.3.2(2)—continued INTERIOR LIGHTING POWER ALLOWANCES: SPACE-BY-SPACE METHOD
TABLE C405.3.2(2)—continued INTERIOR LIGHTING POWER ALLOWANCES: SPACE-BY-SPACE METHOD
150 EQUATION 4-11
151 TABLE C405.5.2(1) EXTERIOR LIGHTING ZONES
TABLE C405.5.2(2) LIGHTING POWER ALLOWANCES FOR BUILDING EXTERIORS
152 TABLE C405.5.2(3) INDIVIDUAL LIGHTING POWER ALLOWANCES FOR BUILDING EXTERIORS
TABLE C405.7 MINIMUM NOMINAL EFFICIENCY LEVELS FOR DOE 10 CFR 431 LOW-VOLTAGE DRY-TYPE DISTRIBUTION TRANSFORMERS
153 TABLE C405.8(1) MINIMUM NOMINAL FULL-LOAD EFFICIENCY FOR NEMA DESIGN A, NEMA DESIGN B,AND IEC DESIGN N MOTORS (EXCLUDING FIRE PUMP) ELECTRIC MOTORS AT 60 HZa, b
154 TABLE C405.8(2) MINIMUM NOMINAL FULL-LOAD EFFICIENCY FOR NEMA DESIGN C AND IEC DESIGN H MOTORS AT 60 HZa, b
TABLE C405.8(3) MINIMUM AVERAGE FULL-LOAD EFFICIENCY POLYPHASE SMALL ELECTRIC MOTORSa
155 TABLE C405.8(4) MINIMUM AVERAGE FULL-LOAD EFFICIENCY FOR CAPACITOR-START CAPACITOR-RUN AND CAPACITOR-START INDUCTION-RUN SMALL ELECTRIC MOTORSa
156 TABLE C405.12.2 ENERGY USE CATEGORIES
SECTION C406 ADDITIONAL EFFICIENCY REQUIREMENTS
157 TABLE C406.1(1) ADDITIONAL ENERGY EFFICIENCY CREDITS FOR GROUP B OCCUPANCIES
158 TABLE C406.1(2) ADDITIONAL ENERGY EFFICIENCY CREDITS FOR GROUP R AND I OCCUPANCIES
EQUATION 4-12
159 TABLE C406.1(3) ADDITIONAL ENERGY EFFICIENCY CREDITS FOR GROUP E OCCUPANCIES
EQUATION 4-13
160 TABLE C406.1(4) ADDITIONAL ENERGY EFFICIENCY CREDITS FOR GROUP M OCCUPANCIES
161 TABLE C406.1(5) ADDITIONAL ENERGY EFFICIENCY CREDITS FOR OTHERa OCCUPANCIES
EQUATION 4-14
163 TABLE C406.10.2 ENERGY USE CATEGORIES
EQUATION 4-15
164 TABLE C406.12(1) MINIMUM EFFICIENCY REQUIREMENTS: COMMERCIAL FRYERS
TABLE C406.12(2) MINIMUM EFFICIENCY REQUIREMENTS: COMMERCIAL STEAM COOKERS
TABLE C406.12(3) MINIMUM EFFICIENCY REQUIREMENTS: COMMERCIAL DISHWASHERS
SECTION C407 TOTAL BUILDING PERFORMANCE
165 TABLE C406.12(4) MINIMUM EFFICIENCY REQUIREMENTS: COMMERCIAL OVENS
TABLE C407.2 REQUIREMENTS FOR TOTAL BUILDING PERFORMANCE
167 TABLE C407.4.1(1) SPECIFICATIONS FOR THE STANDARD REFERENCE AND PROPOSED DESIGNS
168 TABLE C407.4.1(1)—continued SPECIFICATIONS FOR THE STANDARD REFERENCE AND PROPOSED DESIGNS
169 TABLE C407.4.1(1)—continued SPECIFICATIONS FOR THE STANDARD REFERENCE AND PROPOSED DESIGNS
170 TABLE C407.4.1(2) HVAC SYSTEMS MAP
TABLE C407.4.1(3) SPECIFICATIONS FOR THE STANDARD REFERENCE DESIGN HVAC SYSTEM DESCRIPTIONS
171 TABLE C407.4.1(3)—continued SPECIFICATIONS FOR THE STANDARD REFERENCE DESIGN HVAC SYSTEM DESCRIPTIONS
TABLE C407.4.1(4) NUMBER OF CHILLERS
TABLE C407.4.1(5) WATER CHILLER TYPES
172 SECTION C408 MAINTENANCE INFORMATIONAND SYSTEM COMMISSIONING
175 FIGURE C408.2.4 COMMISSIONING COMPLIANCE CHECKLIST
178 CHAPTER 5 [CE] EXISTING BUILDINGS
SECTION C501 GENERAL
SECTION C502 ADDITIONS
SECTION C503 ALTERATIONS
SECTION C504 REPAIRS
179 SECTION C505 CHANGE OF OCCUPANCY OR USE
180 CHAPTER 6 [CE] REFERENCED STANDARDS
AAMA
AHAM
AHRI
181 AMCA
ANSI
APSP
ASABE
182 ASME
ASTM
183 CRRC
184 CSA
CTI
DASMA
DOE
ICC
185 IEEE
IES
ISO
NEMA
NFPA
186 NFRC
SMACNA
UL
US-FTC
WDMA
188 APPENDIX CA BOARD OF APPEALS—COMMERCIAL
SECTION CA101 GENERAL
190 APPENDIX CB SOLAR-READY ZONE—COMMERCIAL
SECTION CB101 SCOPE
SECTION CB102 GENERAL DEFINITION
SECTION CB103 SOLAR-READY ZONE
192 APPENDIX CC ZERO ENERGY COMMERCIAL BUILDING PROVISIONS
SECTION CC101 GENERAL
SECTION CC102 DEFINITIONS
SECTION CC103 MINIMUM RENEWABLE ENERGY
EQUATION CC-1
193 TABLE CC103.1 ENERGY UTILIZATION INTENSITY FOR BUILDING TYPES AND CLIMATES (kBtu/ft² – yr)
EQUATION CC-2
194 TABLE CC103.3.3 DEFAULT OFF-SITE RENEWABLE ENERGY PROCUREMENT METHODS, CLASSES AND COEFFICIENTS
196 APPENDIX CD BUILDING ENVELOPE REQUIREMENTS
SECTION CD101 SCOPE
SECTION CD102 BUILDING ENVELOPE REQUIREMENTS
197 TABLE CD102.2(1) OPAQUE THERMAL ENVELOPE INSULATION COMPONENT MINIMUM REQUIREMENTS, R-VALUEa METHOD
TABLE CD102.2(2) METAL BUILDING ASSEMBLY DESCRIPTIONS
198 EQUATION CD-1
TABLE CD102.3 BUILDING ENVELOPE REQUIREMENTS: FENESTRATION
200 INDEX
210 VECC—RESIDENTIAL PROVISIONS
TABLE OF CONTENTS
212 CHAPTER 1 ADMINISTRATION
SECTION 101 GENERAL
213 SECTION 102 PURPOSE AND SCOPE
214 SECTION 103 APPLICATION OF CODE
216 SECTION 104 ENFORCEMENT, GENERALLY
217 SECTION 105 LOCAL BUILDING DEPARTMENT
218 SECTION 106 POWERS AND DUTIES OF THE BUILDING OFFICIAL
SECTION 107 FEES
SECTION 108 APPLICATION FOR PERMIT
221 SECTION 109 CONSTRUCTION DOCUMENTS
SECTION 110 PERMITS
223 SECTION 111 RDP SERVICES
SECTION 112 WORKMANSHIP, MATERIAL AND EQUIPMENT
226 SECTION 113 INSPECTIONS
227 SECTION 114 STOP WORK ORDERS
SECTION 115 VIOLATIONS
228 SECTION 116 CERTIFICATES OF OCCUPANCY
229 SECTION 117 TEMPORARY AND MOVED BUILDINGS AND STRUCTURES; DEMOLITION
SECTION 118 BUILDINGS OR STRUCTURES THAT BECOME A THREAT TO PUBLIC SAFETY DURING CONSTRUCTION
230 SECTION 119 APPEALS
234 CHAPTER 2 [RE] DEFINITIONS
SECTION R201 GENERAL
SECTION R202 GENERAL DEFINITIONS
238 CHAPTER 3 [RE] GENERAL REQUIREMENTS
SECTION R301 CLIMATE ZONES
239 FIGURE R301.1 CLIMATE ZONES
240 TABLE R301.1 CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
241 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
242 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
243 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
244 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
245 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
246 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
247 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
248 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
249 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
250 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
251 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
252 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
253 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
254 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
255 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
256 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
257 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
258 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
259 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
260 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
261 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
262 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
263 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
264 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
265 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
266 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
267 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
268 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
269 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
270 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
271 TABLE R301.1—continued CLIMATE ZONES, MOISTURE REGIMES, AND WARM HUMID DESIGNATIONS BY STATE, COUNTY AND TERRITORYa
272 EQUATION 3-1
EQUATION 3-2
EQUATION 3-3
273 TABLE R301.3 THERMAL CLIMATE ZONE DEFINITIONS
SECTION R302 DESIGN CONDITIONS
SECTION R303 MATERIALS, SYSTEMS AND EQUIPMENT
274 TABLE R303.1.3(1) DEFAULT GLAZED WINDOW, GLASS DOORAND SKYLIGHT U-FACTORS
TABLE R303.1.3(2) DEFAULT OPAQUE DOOR U-FACTORS
TABLE R303.1.3(3) DEFAULT GLAZED FENESTRATION SHGC AND VT
276 CHAPTER 4 [RE] RESIDENTIAL ENERGY EFFICIENCY
SECTION R401 GENERAL
277 SECTION R402 BUILDING THERMAL ENVELOPE
TABLE R402.1.2 MAXIMUM ASSEMBLY U-FACTORSa AND FENESTRATION REQUIREMENTS
278 TABLE R402.1.3 INSULATION MINIMUM R-VALUES AND FENESTRATION REQUIREMENTS BY COMPONENTa
280 TABLE R402.2.6 STEEL-FRAME CEILING, WALL ANDFLOOR INSULATION R-VALUES
282 TABLE R402.4.1.1 AIR BARRIER, AIR SEALING AND INSULATION INSTALLATIONa
283 TABLE R402.4.1.1—continued AIR BARRIER, AIR SEALING AND INSULATION INSTALLATIONa
284 SECTION R403 SYSTEMS
287 TABLE R403.6.2 WHOLE-HOUSE MECHANICAL VENTILATION SYSTEM FAN EFFICACYa
288 SECTION R404 ELECTRICAL POWER AND LIGHTING SYSTEMS
SECTION R405 TOTAL BUILDING PERFORMANCE
289 TABLE R405.2 REQUIREMENTS FOR TOTAL BUILDING PERFORMANCE
291 TABLE R405.4.2(1) SPECIFICATIONS FOR THE STANDARD REFERENCE AND PROPOSED DESIGNS
292 TABLE R405.4.2(1)—continued SPECIFICATIONS FOR THE STANDARD REFERENCE AND PROPOSED DESIGNS
293 TABLE R405.4.2(1)—continued SPECIFICATIONS FOR THE STANDARD REFERENCE AND PROPOSED DESIGNS
294 TABLE R405.4.2(1)—continued SPECIFICATIONS FOR THE STANDARD REFERENCE AND PROPOSED DESIGNS
TABLE R405.4.2(2) DEFAULT DISTRIBUTION SYSTEM EFFICIENCIES FORPROPOSED DESIGNSa
295 SECTION R406 ENERGY RATING INDEX COMPLIANCE ALTERNATIVE
TABLE R406.2 REQUIREMENTS FOR ENERGY RATING INDEX
EQUATION 4-1
EQUATION 4-2
TABLE R406.5 MAXIMUM ENERGY RATING INDEX
297 SECTION R407 TROPICAL CLIMATE REGION COMPLIANCE PATH
SECTION R408 ADDITIONAL EFFICIENCY PACKAGE OPTIONS
300 CHAPTER 5 [RE] EXISTING BUILDINGS
SECTION R501 GENERAL
SECTION R502 ADDITIONS
SECTION R503 ALTERATIONS
SECTION R504 REPAIRS
SECTION R505 CHANGE OF OCCUPANCY OR USE
302 CHAPTER 6 [RE] REFERENCED STANDARDS
AAMA
ACCA
APSP
ASHRAE
ASTM
303 CSA
DASMA
HVI
ICC
304 IEEE
NFRC
RESNET
305 UL
US-FTC
WDMA
306 APPENDIX RA BOARD OF APPEALS—RESIDENTIAL
SECTION RA101 GENERAL
308 APPENDIX RB SOLAR-READY PROVISIONS—DETACHED ONE- AND TWO FAMILYDWELLINGS AND TOWNHOUSES
SECTION RB101 SCOPE
SECTION RB102 GENERAL DEFINITION
SECTION RB103 SOLAR-READY ZONE
310 APPENDIX RC ZERO ENERGY RESIDENTIAL BUILDING PROVISIONS
SECTION RC101 COMPLIANCE
SECTION RC102 ZERO ENERGY RESIDENTIAL BUILDINGS
EQUATION RC-1
TABLE RC102.2 MAXIMUM ENERGY RATING INDEXa
SECTION RC103 REFERENCED STANDARDS
TABLE RC103.1 REFERENCED STANDARDS
312 INDEX
316 ICC CHANGES TO THE CODE DEVELOPMENT PROCESS
317 ICC DIGITAL CODES PREMIUM
318 2018 ESSENTIALS GUIDE FOR IgCC AND IECC
319 ADDITIONAL CODE RESOURCES FROM ICC
VA Energy Conservation Code 2021 1stptg
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