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NC MechanicalCode 2012

NC MechanicalCode 2012

$41.71

North Carolina Mechanical Code, 3rd Printing

Published By Publication Date Number of Pages
NC 2012 144
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This is a fully integrated code based on the 2009 International Mechanical Code.

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PDF Pages PDF Title
1 2012 NORTH CAROLINA STATE BUILDING CODE: MECHANICAL CODE (2009 IMC® WITH NORTH CAROLINA AMENDMENTS)
2 COPYRIGHT
3 NORTH CAROLINA STATE BUILDING CODE COUNCIL MARCH 14, 2017
4 NORTH CAROLINA DEPARTMENT OF INSURANCE
COMMITTEES OF THE COUNCIL MARCH 14, 2017
5 PREFACE
7 EFFECTIVE USE OF THE INTERNATIONAL MECHANICAL CODE
11 ORDINANCE
13 TABLE OF CONTENTS
17 CHAPTER 1 SCOPE AND ADMINISTRATION
PART I—SCOPE AND APPLICATION
SECTION 101 GENERAL
SECTION 102 APPLICABILITY
18 PART 2—ADMINISTRATION AND ENFORCEMENT
SECTION 103 DEPARTMENT OF MECHANICAL INSPECTION
SECTION 104 DUTIES AND POWERS OF THE CODE OFFICIAL
SECTION 105 APPROVAL
SECTION 106 PERMITS
SECTION 107 INSPECTIONS AND TESTING
SECTION 108 VIOLATIONS
SECTION 109 MEANS OF APPEAL
19 SECTION 110 TEMPORARY EQUIPMENT, SYSTEMS AND USES
21 CHAPTER 2 DEFINITIONS
SECTION 201 GENERAL
SECTION 202 GENERAL DEFINITIONS
31 CHAPTER 3 GENERAL REGULATIONS
SECTION 301 GENERAL
32 SECTION 302 PROTECTION OF STRUCTURE
33 SECTION 303 EQUIPMENT AND APPLIANCE LOCATION
SECTION 304 INSTALLATION
34 SECTION 305 PIPING SUPPORT
35 TABLE 305.4 PIPING SUPPORT SPACINGa
TABLE 305.4—continued PIPING SUPPORT SPACINGa
SECTION 306 ACCESS AND SERVICE SPACE
36 SECTION 307 CONDENSATE DISPOSAL
37 TABLE 307.2.2 CONDENSATE DRAIN SIZING DELETED
SECTION 308 CLEARANCE REDUCTION FOR UNLISTED EQUIPMENT AND UNLISTED APPLIANCES
38 TABLE 308.6 CLEARANCE REDUCTION METHODSb FOR UNLISTED EQUIPMENT
[B] SECTION 309 TEMPERATURE CONTROL
39 [F] SECTION 310 EXPLOSION CONTROL
[F] SECTION 311 SMOKE AND HEAT VENTS
SECTION 312 HEATING AND COOLING LOAD CALCULATIONS
SECTION 313 CARBON MONOXIDE ALARMS
41 CHAPTER 4 VENTILATION
SECTION 401 GENERAL
TABLE 401.5 OPENING SIZES IN LOUVERS, GRILLES AND SCREENS PROTECTING AIR INTAKE OPENINGS
SECTION 402 NATURAL VENTILATION
42 SECTION 403 MECHANICAL VENTILATION
EQUATION 4-1
43 TABLE 403.3 MINIMUM VENTILATION RATES
44 TABLE 403.3—continued MINIMUM VENTILATION RATES
45 TABLE 403.3—continued MINIMUM VENTILATION RATES
46 TABLE 403.3.1.2 ZONE AIR DISTRIBUTION EFFECTIVENESSa,b,c,d,e
EQUATION 4-2
EQUATION 4-3
EQUATION 4-4
EQUATION 4-5
TABLE 403.3.2.3.2 SYSTEM VENTILATION EFFICIENCYa,b
EQUATION 4-6
47 EQUATION 4-7
EQUATION 4-8
SECTION 404 ENCLOSED PARKING GARAGES
SECTION 405 SYSTEMS CONTROL
SECTION 406 VENTILATION OF UNINHABITED SPACES
49 CHAPTER 5 EXHAUST SYSTEMS
SECTION 501 GENERAL
SECTION 502 REQUIRED SYSTEMS
50 EQUATION 5-1
56 SECTION 503 MOTORS AND FANS
SECTION 504 CLOTHES DRYER EXHAUST
57 TABLE 504.6.4.1 DRYER EXHAUST DUCT FITTING EQUIVALENT LENGTH
58 SECTION 505 DOMESTIC KITCHEN EXHAUST EQUIPMENT
SECTION 506 COMMERCIAL KITCHEN HOOD VENTILATION SYSTEM DUCTS AND EXHAUST EQUIPMENT
62 SECTION 507 COMMERCIAL KITCHEN HOODS
63 TABLE 507.11 MINIMUM DISTANCE BETWEEN THE LOWEST EDGE OF A GREASE FILTER AND THE COOKING SURFACE OR THE HEATING SURFACE
64 SECTION 508 COMMERCIAL KITCHEN MAKEUP AIR
65 SECTION 509 FIRE SUPPRESSION SYSTEMS
SECTION 510 HAZARDOUS EXHAUST SYSTEMS
66 TABLE 510.8 MINIMUM DUCT THICKNESS
67 TABLE 510.8.2 CLEARANCE TO COMBUSTIBLES
SECTION 511 DUST, STOCK AND REFUSE CONVEYING SYSTEMS
SECTION 512 SUBSLAB SOIL EXHAUST SYSTEMS
68 TABLE 511.2 CONSTRUCTION, CLEARANCE AND TERMINATION REQUIREMENTS FOR SINGLE-WALL METAL CHIMNEYS
SECTION 513 SMOKE CONTROL SYSTEMS
69 EQUATION 5-2
70 EQUATION 5-3
EQUATION 5-4
72 SECTION 514 ENERGY RECOVERY VENTILATION SYSTEMS
73 CHAPTER 6 DUCT SYSTEMS
SECTION 601 GENERAL
SECTION 602 PLENUMS
75 SECTION 603 DUCT CONSTRUCTION AND INSTALLATION
TABLE 603.4 DUCT CONSTRUCTION MINIMUM SHEET METAL THICKNESSES FOR SINGLE DWELLING UNITS
77 SECTION 604 INSULATION
78 SECTION 605 AIR FILTERS
SECTION 606 SMOKE DETECTION SYSTEMS CONTROL
79 [B] SECTION 607 DUCT AND TRANSFER OPENINGS
TABLE 607.3.2.1 FIRE DAMPER RATING
85 CHAPTER 7 COMBUSTION AIR
SECTION 701 GENERAL
87 CHAPTER 8 CHIMNEYS AND VENTS
SECTION 801 GENERAL
88 SECTION 802 VENTS
TABLE 802.2 VENT APPLICATION
89 SECTION 803 CONNECTORS
TABLE 803.9(1) MINIMUM CHIMNEY CONNECTOR THICKNESS FOR LOW-HEAT APPLIANCES
TABLE 803.9(2) MINIMUM CHIMNEY CONNECTOR THICKNESS FOR MEDIUM- AND HIGH-HEAT APPLIANCES
90 TABLE 803.10.4 CHIMNEY CONNECTOR SYSTEMS AND CLEARANCES TO COMBUSTIBLE WALL MATERIALS FOR DOMESTIC HEATING APPLIANCESa, b, c, d (FOR CHIMNEY CONNECTOR SYSTEM DETAILS, SEE APPENDIX A)
TABLE 803.10.6 CONNECTOR CLEARANCES TO COMBUSTIBLES
SECTION 804 DIRECT-VENT, INTEGRAL VENT AND MECHANICAL DRAFT SYSTEMS
91 SECTION 805 FACTORY-BUILT CHIMNEYS
92 SECTION 806 METAL CHIMNEYS
93 CHAPTER 9 SPECIFIC APPLIANCES, FIREPLACES AND SOLID FUEL-BURNING EQUIPMENT
SECTION 901 GENERAL
SECTION 902 MASONRY FIREPLACES
SECTION 903 FACTORY-BUILT FIREPLACES
SECTION 904 PELLET FUEL-BURNING APPLIANCES
SECTION 905 FIREPLACE STOVES AND ROOM HEATERS
SECTION 906 FACTORY-BUILT BARBECUE APPLIANCES
SECTION 907 INCINERATORS AND CREMATORIES
SECTION 908 COOLING TOWERS, EVAPORATIVE CONDENSERS AND FLUID COOLERS
94 SECTION 909 VENTED WALL FURNACES
SECTION 910 FLOOR FURNACES
SECTION 911 DUCT FURNACES
SECTION 912 INFRARED RADIANT HEATERS
SECTION 913 CLOTHES DRYERS
95 SECTION 914 SAUNA HEATERS
SECTION 915 ENGINE AND GAS TURBINE-POWERED EQUIPMENT AND APPLIANCES
SECTION 916 POOL AND SPA HEATERS
SECTION 917 COOKING APPLIANCES
SECTION 918 FORCED-AIR WARM-AIR FURNACES
96 SECTION 919 CONVERSION BURNERS
97 SECTION 920 UNIT HEATERS
SECTION 921 VENTED ROOM HEATERS
SECTION 922 KEROSENE AND OIL-FIRED STOVES
SECTION 923 SMALL CERAMIC KILNS
SECTION 924 STATIONARY FUEL CELL POWER SYSTEMS
SECTION 925 MASONRY HEATERS
SECTION 926 GASEOUS HYDROGEN SYSTEMS
SECTION 927 HEAT RECOVERY VENTILATORS
SECTION 928 RADIANT HEATING SYSTEMS
98 SECTION 929 BASEBOARD CONVECTORS
SECTION 930 DUCT HEATERS
99 CHAPTER 10 BOILERS,WATER HEATERS AND PRESSURE VESSELS
SECTION 1001 GENERAL
SECTION 1002 WATER HEATERS
SECTION 1003 PRESSURE VESSELS
SECTION 1004 BOILERS
100 SECTION 1005 BOILER CONNECTIONS
SECTION 1006 SAFETY AND PRESSURE RELIEF VALVES AND CONTROLS
101 SECTION 1007 BOILER LOW-WATER CUTOFF
SECTION 1008 STEAM BLOWOFF VALVE
SECTION 1009 HOT WATER BOILER EXPANSION TANK
EQUATION 10-1
SECTION 1010 GAUGES
SECTION 1011 TESTS
103 CHAPTER 11 REFRIGERATION
SECTION 1101 GENERAL
SECTION 1102 SYSTEM REQUIREMENTS
104 SECTION 1103 REFRIGERATION SYSTEM CLASSIFICATION
SECTION 1104 SYSTEM APPLICATION REQUIREMENTS
105 [F] TABLE 1103.1 REFRIGERANT CLASSIFICATION, AMOUNT AND OEL
106 [F] TABLE 1103.1 REFRIGERANT CLASSIFICATION, AMOUNT AND OEL
107 [F] TABLE 1103.1—continued REFRIGERANT CLASSIFICATION, AMOUNT AND OEL
108 [F] TABLE 1103.1—continued REFRIGERANT CLASSIFICATION, AMOUNT AND OEL
109 TABLE 1104.3.2 MAXIMUM PERMISSIBLE QUANTITIES OF REFRIGERANTS
110 SECTION 1105 MACHINERY ROOM, GENERAL REQUIREMENTS
EQUATION 11-1
111 EQUATION 11-2
SECTION 1106 MACHINERY ROOM, SPECIAL REQUIREMENTS
SECTION 1107 REFRIGERANT PIPING
113 SECTION 1108 FIELD TEST
[F] SECTION 1109 PERIODIC TESTING
115 CHAPTER 12 HYDRONIC PIPING
SECTION 1201 GENERAL
SECTION 1202 MATERIAL
TABLE 1202.4 HYDRONIC PIPE
TABLE 1202.4—continued HYDRONIC PIPE
TABLE 1202.5 HYDRONIC PIPE FITTINGS
116 SECTION 1203 JOINTS AND CONNECTIONS
117 SECTION 1204 PIPE INSULATION
118 SECTION 1205 VALVES
SECTION 1206 PIPING INSTALLATION
SECTION 1207 TRANSFER FLUID
SECTION 1208 TESTS
119 SECTION 1209 EMBEDDED PIPING
121 CHAPTER 13 FUEL OIL PIPING AND STORAGE
SECTION 1301 GENERAL
SECTION 1302 MATERIAL
TABLE 1302.3 FUEL OIL PIPING
SECTION 1303 JOINTS AND CONNECTIONS
122 SECTION 1304 PIPING SUPPORT
SECTION 1305 FUEL OIL SYSTEM INSTALLATION
123 SECTION 1306 OIL GAUGING
SECTION 1307 FUEL OIL VALVES
SECTION 1308 TESTING
SECTION 1309 OIL TANKS FOR ONE- AND TWO-FAMILY DWELLINGS AND TOWNHOUSES
125 CHAPTER 14 SOLAR SYSTEMS
SECTION 1401 GENERAL
SECTION 1402 INSTALLATION
126 SECTION 1403 HEAT TRANSFER FLUIDS
SECTION 1404 MATERIALS
127 CHAPTER 15 REFERENCED STANDARDS
ACCA
AHRI
ANSI
ASHRAE
ASME
128 ASSE
ASTM
129 AWS
130 AWWA
CSA
DOL
FS
ICC
131 IIAR
MSS
NAIMA
NFPA
132 SMACNA
UL
135 APPENDIX A COMBUSTION AIR OPENINGS AND CHIMNEY CONNECTOR PASS-THROUGHS
FIGURE A-1 ALL AIR FROM INSIDE THE BUILDING DELETED
FIGURE A-2 ALL AIR FROM OUTDOORS—INLET AIR FROM VENTILATED CRAWL SPACE AND OUTLET AIR TO VENTILATED ATTIC DELETED
FIGURE A-3 ALL AIR FROM OUTDOORS THROUGH VENTILATED ATTIC DELETED
FIGURE A-4 ALL AIR FROM OUTDOORS THROUGH HORIZONTAL DUCTS OR DIRECT OPENINGS DELETED
136 FIGURE A-5 CHIMNEY CONNECTOR SYSTEMS
137 FIGURE A-5—continued CHIMNEY CONNECTOR SYSTEMS
139 APPENDIX B RECOMMENDED PERMIT FEE SCHEDULE DELETED
141 INDEX

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NC MechanicalCode 2012
$41.71