Establishes minimum regulations for mechanical systems using prescriptive and performance-related provisions. The IMC was developed with broad-based principles that make possible the use of new materials, methods and design.<\/p>\n
Important changes include:<\/p>\n
| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 1<\/td>\n | 2018 IMC\u00ae INTERNATIONAL MECHANICAL CODE\u00ae <\/td>\n<\/tr>\n | ||||||
| 2<\/td>\n | 2018 IMC\u00ae TITLE PAGE <\/td>\n<\/tr>\n | ||||||
| 3<\/td>\n | COPYRIGHT <\/td>\n<\/tr>\n | ||||||
| 4<\/td>\n | PREFACE <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | EFFECTIVE USE OF THE INTERNATIONAL MECHANICAL CODE <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | TABLE OF CONTENTS <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | CHAPTER 1 SCOPE AND ADMINISTRATION PART 1\u2013SCOPE AND APPLICATION SECTION 101 GENERAL SECTION 102 APPLICABILITY <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | PART 2\u2013ADMINISTRATION AND ENFORCEMENT SECTION 103 DEPARTMENT OF MECHANICAL INSPECTION SECTION 104 DUTIES AND POWERS OF THE CODE OFFICIAL <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | SECTION 105 APPROVAL SECTION 106 PERMITS <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | SECTION 107 INSPECTIONS AND TESTING <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | SECTION 108 VIOLATIONS <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | SECTION 109 MEANS OF APPEAL <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | SECTION 110 TEMPORARY EQUIPMENT, SYSTEMS AND USES <\/td>\n<\/tr>\n | ||||||
| 26<\/td>\n | CHAPTER 2 DEFINITIONS SECTION 201 GENERAL SECTION 202 GENERAL DEFINITIONS <\/td>\n<\/tr>\n | ||||||
| 38<\/td>\n | CHAPTER 3 GENERAL REGULATIONS SECTION 301 GENERAL <\/td>\n<\/tr>\n | ||||||
| 39<\/td>\n | SECTION 302 PROTECTION OF STRUCTURE <\/td>\n<\/tr>\n | ||||||
| 40<\/td>\n | SECTION 303 EQUIPMENT AND APPLIANCE LOCATION SECTION 304 INSTALLATION <\/td>\n<\/tr>\n | ||||||
| 42<\/td>\n | SECTION 305 PIPING SUPPORT TABLE 305.4 PIPING SUPPORT SPACINGa SECTION 306 ACCESS AND SERVICE SPACE <\/td>\n<\/tr>\n | ||||||
| 44<\/td>\n | SECTION 307 CONDENSATE DISPOSAL TABLE 307.2.2 CONDENSATE DRAIN SIZING <\/td>\n<\/tr>\n | ||||||
| 45<\/td>\n | SECTION 308 CLEARANCE REDUCTION <\/td>\n<\/tr>\n | ||||||
| 46<\/td>\n | TABLE 308.4.2 CLEARANCE REDUCTION METHODSb SECTION 309 TEMPERATURE CONTROL SECTION 310 EXPLOSION CONTROL SECTION 311 SMOKE AND HEAT VENTS SECTION 312 HEATING AND COOLING LOAD CALCULATIONS <\/td>\n<\/tr>\n | ||||||
| 48<\/td>\n | CHAPTER 4 VENTILATION SECTION 401 GENERAL TABLE 401.5 OPENING SIZES IN LOUVERS, GRILLES AND SCREENS PROTECTING AIR INTAKE OPENINGS SECTION 402 NATURAL VENTILATION <\/td>\n<\/tr>\n | ||||||
| 49<\/td>\n | SECTION 403 MECHANICAL VENTILATION <\/td>\n<\/tr>\n | ||||||
| 50<\/td>\n | EQUATION 4-1 TABLE 403.3.1.1.1.2 ZONE AIR DISTRIBUTION EFFECTIVENESSa,b,c,d EQUATION 4-2 EQUATION 4-3 EQUATION 4-4 EQUATION 4-5 <\/td>\n<\/tr>\n | ||||||
| 51<\/td>\n | TABLE 403.3.1.1.2.3.2 SYSTEM VENTILATION EFFICIENCYa,b EQUATION 4-6 EQUATION 4-7 EQUATION 4-8 EQUATION 4-9 <\/td>\n<\/tr>\n | ||||||
| 52<\/td>\n | TABLE 403.3.2.3 MINIMUM REQUIRED LOCAL EXHAUST RATES FOR GROUP R-2, R-3, AND R-4 OCCUPANCIES SECTION 404 ENCLOSED PARKING GARAGES SECTION 405 SYSTEMS CONTROL SECTION 406 VENTILATION OF UNINHABITED SPACES SECTION 407 AMBULATORY CARE FACILITIES AND GROUP I-2 OCCUPANCIES <\/td>\n<\/tr>\n | ||||||
| 53<\/td>\n | TABLE 403.3.1.1 MINIMUM VENTILATION RATES <\/td>\n<\/tr>\n | ||||||
| 54<\/td>\n | TABLE 403.3.1.1\u2014continued MINIMUM VENTILATION RATES <\/td>\n<\/tr>\n | ||||||
| 55<\/td>\n | TABLE 403.3.1.1\u2014continued MINIMUM VENTILATION RATES <\/td>\n<\/tr>\n | ||||||
| 56<\/td>\n | TABLE 403.3.1.1\u2014continued MINIMUM VENTILATION RATES <\/td>\n<\/tr>\n | ||||||
| 58<\/td>\n | CHAPTER 5 EXHAUST SYSTEMS SECTION 501 GENERAL <\/td>\n<\/tr>\n | ||||||
| 59<\/td>\n | SECTION 502 REQUIRED SYSTEMS EQUATION 5-1 <\/td>\n<\/tr>\n | ||||||
| 66<\/td>\n | SECTION 503 MOTORS AND FANS SECTION 504 CLOTHES DRYER EXHAUST <\/td>\n<\/tr>\n | ||||||
| 67<\/td>\n | TABLE 504.8.4.1 DRYER EXHAUST DUCT FITTING EQUIVALENT LENGTH <\/td>\n<\/tr>\n | ||||||
| 68<\/td>\n | SECTION 505 DOMESTIC COOKING EXHAUST EQUIPMENT SECTION 506 COMMERCIAL KITCHEN HOOD VENTILATION SYSTEM DUCTS AND EXHAUST EQUIPMENT <\/td>\n<\/tr>\n | ||||||
| 73<\/td>\n | SECTION 507 COMMERCIAL KITCHEN HOODS <\/td>\n<\/tr>\n | ||||||
| 75<\/td>\n | TABLE 507.2.8 MINIMUM DISTANCE BETWEEN THE LOWEST EDGE OF A GREASE FILTER AND THE COOKING SURFACE OR THE HEATING SURFACE <\/td>\n<\/tr>\n | ||||||
| 76<\/td>\n | SECTION 508 COMMERCIAL KITCHEN MAKEUP AIR <\/td>\n<\/tr>\n | ||||||
| 77<\/td>\n | SECTION 509 FIRE SUPPRESSION SYSTEMS SECTION 510 HAZARDOUS EXHAUST SYSTEMS <\/td>\n<\/tr>\n | ||||||
| 79<\/td>\n | TABLE 510.9 MINIMUM DUCT THICKNESS TABLE 510.9.2 CLEARANCE TO COMBUSTIBLES SECTION 511 DUST, STOCK AND REFUSE CONVEYING SYSTEMS <\/td>\n<\/tr>\n | ||||||
| 80<\/td>\n | TABLE 511.2 CONSTRUCTION, CLEARANCE AND TERMINATION REQUIREMENTS FOR SINGLE-WALL METAL CHIMNEYS SECTION 512 SUBSLAB SOIL EXHAUST SYSTEMS SECTION 513 SMOKE CONTROL SYSTEMS <\/td>\n<\/tr>\n | ||||||
| 82<\/td>\n | EQUATION 5-2 <\/td>\n<\/tr>\n | ||||||
| 83<\/td>\n | EQUATION 5-3 <\/td>\n<\/tr>\n | ||||||
| 84<\/td>\n | SECTION 514 ENERGY RECOVERY VENTILATION SYSTEMS <\/td>\n<\/tr>\n | ||||||
| 86<\/td>\n | CHAPTER 6 DUCT SYSTEMS SECTION 601 GENERAL <\/td>\n<\/tr>\n | ||||||
| 87<\/td>\n | SECTION 602 PLENUMS <\/td>\n<\/tr>\n | ||||||
| 89<\/td>\n | SECTION 603 DUCT CONSTRUCTION AND INSTALLATION TABLE 603.4 DUCT CONSTRUCTION MINIMUM SHEET METAL THICKNESS FOR SINGLE DWELLING UNITSa <\/td>\n<\/tr>\n | ||||||
| 91<\/td>\n | SECTION 604 INSULATION <\/td>\n<\/tr>\n | ||||||
| 92<\/td>\n | SECTION 605 AIR FILTERS SECTION 606 SMOKE DETECTION SYSTEMS CONTROL <\/td>\n<\/tr>\n | ||||||
| 93<\/td>\n | SECTION 607 DUCT AND TRANSFER OPENINGS [BF] TABLE 607.3.2.1 FIRE DAMPER RATING <\/td>\n<\/tr>\n | ||||||
| 98<\/td>\n | CHAPTER 7 COMBUSTION AIR SECTION 701 GENERAL <\/td>\n<\/tr>\n | ||||||
| 100<\/td>\n | CHAPTER 8 CHIMNEYS AND VENTS SECTION 801 GENERAL <\/td>\n<\/tr>\n | ||||||
| 101<\/td>\n | SECTION 802 VENTS TABLE 802.2 VENT APPLICATION <\/td>\n<\/tr>\n | ||||||
| 102<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
| 103<\/td>\n | TABLE 803.10.4 CHIMNEY CONNECTOR SYSTEMS AND CLEARANCES TO COMBUSTIBLE WALL MATERIALS FOR DOMESTIC HEATING APPLIANCESa, b, c, d TABLE 803.10.6 CONNECTOR CLEARANCES TO COMBUSTIBLES SECTION 804 DIRECT-VENT, INTEGRAL VENT AND MECHANICAL DRAFT SYSTEMS <\/td>\n<\/tr>\n | ||||||
| 104<\/td>\n | SECTION 805 FACTORY-BUILT CHIMNEYS <\/td>\n<\/tr>\n | ||||||
| 105<\/td>\n | SECTION 806 METAL CHIMNEYS <\/td>\n<\/tr>\n | ||||||
| 106<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
| 107<\/td>\n | SECTION 907 INCINERATORS AND CREMATORIES SECTION 908 COOLING TOWERS, EVAPORATIVE CONDENSERS AND FLUID COOLERS SECTION 909 VENTED WALL FURNACES SECTION 910 FLOOR FURNACES <\/td>\n<\/tr>\n | ||||||
| 108<\/td>\n | SECTION 911 DUCT FURNACES SECTION 912 INFRARED RADIANT HEATERS SECTION 913 CLOTHES DRYERS SECTION 914 SAUNA HEATERS SECTION 915 ENGINE AND GAS TURBINE-POWERED EQUIPMENT AND APPLIANCES SECTION 916 POOL AND SPA HEATERS <\/td>\n<\/tr>\n | ||||||
| 109<\/td>\n | SECTION 917 COOKING APPLIANCES SECTION 918 FORCED-AIR WARM-AIR FURNACES SECTION 919 CONVERSION BURNERS 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 <\/td>\n<\/tr>\n | ||||||
| 110<\/td>\n | SECTION 926 GASEOUS HYDROGEN SYSTEMS SECTION 927 RADIANT HEATING SYSTEMS SECTION 928 EVAPORATIVE COOLING EQUIPMENT SECTION 929 HIGH-VOLUME LARGE-DIAMETER FANS <\/td>\n<\/tr>\n | ||||||
| 112<\/td>\n | CHAPTER 10 BOILERS, WATER HEATERS AND PRESSURE VESSELS SECTION 1001 GENERAL SECTION 1002 WATER HEATERS SECTION 1003 PRESSURE VESSELS SECTION 1004 BOILERS <\/td>\n<\/tr>\n | ||||||
| 113<\/td>\n | TABLE 1004.3.1 BOILER TOP CLEARANCES SECTION 1005 BOILER CONNECTIONS SECTION 1006 SAFETY AND PRESSURE RELIEF VALVES AND CONTROLS <\/td>\n<\/tr>\n | ||||||
| 114<\/td>\n | SECTION 1007 BOILER LOW-WATER CUTOFF SECTION 1008 BOTTOM BLOWOFF VALVE SECTION 1009 HOT WATER BOILER EXPANSION TANK EQUATION 10-1 <\/td>\n<\/tr>\n | ||||||
| 115<\/td>\n | TABLE 1009.2 CLOSED-TYPE EXPANSION TANK SIZING SECTION 1010 GAUGES SECTION 1011 TESTS <\/td>\n<\/tr>\n | ||||||
| 116<\/td>\n | CHAPTER 11 REFRIGERATION SECTION 1101 GENERAL SECTION 1102 SYSTEM REQUIREMENTS <\/td>\n<\/tr>\n | ||||||
| 117<\/td>\n | SECTION 1103 REFRIGERATION SYSTEM CLASSIFICATION <\/td>\n<\/tr>\n | ||||||
| 118<\/td>\n | TABLE 1103.1 REFRIGERANT CLASSIFICATION, AMOUNT AND OEL <\/td>\n<\/tr>\n | ||||||
| 119<\/td>\n | TABLE 1103.1\u2014continued REFRIGERANT CLASSIFICATION, AMOUNT AND OEL <\/td>\n<\/tr>\n | ||||||
| 120<\/td>\n | TABLE 1103.1\u2014continued REFRIGERANT CLASSIFICATION, AMOUNT AND OEL <\/td>\n<\/tr>\n | ||||||
| 121<\/td>\n | TABLE 1103.1\u2014continued REFRIGERANT CLASSIFICATION, AMOUNT AND OEL <\/td>\n<\/tr>\n | ||||||
| 122<\/td>\n | TABLE 1103.1\u2014continued REFRIGERANT CLASSIFICATION, AMOUNT AND OEL <\/td>\n<\/tr>\n | ||||||
| 123<\/td>\n | SECTION 1104 SYSTEM APPLICATION REQUIREMENTS <\/td>\n<\/tr>\n | ||||||
| 124<\/td>\n | TABLE 1104.3.2 MAXIMUM PERMISSIBLE QUANTITIES OF REFRIGERANTS SECTION 1105 MACHINERY ROOM, GENERAL REQUIREMENTS EQUATION 11-1 <\/td>\n<\/tr>\n | ||||||
| 125<\/td>\n | EQUATION 11-2 SECTION 1106 MACHINERY ROOM, SPECIAL REQUIREMENTS <\/td>\n<\/tr>\n | ||||||
| 126<\/td>\n | TABLE 1106.5.2 MINIMUM EXHAUST RATES SECTION 1107 REFRIGERANT PIPING <\/td>\n<\/tr>\n | ||||||
| 127<\/td>\n | SECTION 1108 FIELD TEST <\/td>\n<\/tr>\n | ||||||
| 128<\/td>\n | [F] SECTION 1109 PERIODIC TESTING <\/td>\n<\/tr>\n | ||||||
| 130<\/td>\n | CHAPTER 12 HYDRONIC PIPING SECTION 1201 GENERAL SECTION 1202 MATERIAL TABLE 1202.4 HYDRONIC PIPE <\/td>\n<\/tr>\n | ||||||
| 131<\/td>\n | TABLE 1202.5 HYDRONIC PIPE FITTINGS SECTION 1203 JOINTS AND CONNECTIONS <\/td>\n<\/tr>\n | ||||||
| 133<\/td>\n | SECTION 1204 PIPE INSULATION SECTION 1205 VALVES SECTION 1206 PIPING INSTALLATION <\/td>\n<\/tr>\n | ||||||
| 134<\/td>\n | SECTION 1207 TRANSFER FLUID SECTION 1208 TESTS SECTION 1209 EMBEDDED PIPING SECTION 1210 PLASTIC PIPE GROUND-SOURCE HEAT PUMP LOOP SYSTEMS <\/td>\n<\/tr>\n | ||||||
| 135<\/td>\n | TABLE 1210.4 GROUND-SOURCE LOOP PIPE TABLE 1210.5 GROUND-SOURCE LOOP PIPE FITTINGS <\/td>\n<\/tr>\n | ||||||
| 138<\/td>\n | CHAPTER 13 FUEL OIL PIPING AND STORAGE SECTION 1301 GENERAL SECTION 1302 MATERIAL TABLE 1302.3 FUEL OIL PIPING SECTION 1303 JOINTS AND CONNECTIONS <\/td>\n<\/tr>\n | ||||||
| 139<\/td>\n | SECTION 1304 PIPING SUPPORT SECTION 1305 FUEL OIL SYSTEM INSTALLATION <\/td>\n<\/tr>\n | ||||||
| 140<\/td>\n | SECTION 1306 OIL GAUGING SECTION 1307 FUEL OIL VALVES SECTION 1308 TESTING <\/td>\n<\/tr>\n | ||||||
| 142<\/td>\n | CHAPTER 14 SOLAR THERMAL SYSTEMS SECTION 1401 GENERAL SECTION 1402 DESIGN AND INSTALLATION <\/td>\n<\/tr>\n | ||||||
| 144<\/td>\n | SECTION 1403 HEAT TRANSFER FLUIDS SECTION 1404 LABELING <\/td>\n<\/tr>\n | ||||||
| 146<\/td>\n | CHAPTER 15 REFERENCED STANDARDS ACCA AHRI AMCA ANSI <\/td>\n<\/tr>\n | ||||||
| 147<\/td>\n | ASHRAE ASME <\/td>\n<\/tr>\n | ||||||
| 148<\/td>\n | ASSE ASSE ASTM <\/td>\n<\/tr>\n | ||||||
| 151<\/td>\n | AWS <\/td>\n<\/tr>\n | ||||||
| 152<\/td>\n | AWWA CPSC CSA <\/td>\n<\/tr>\n | ||||||
| 153<\/td>\n | DOL FDA FS ICC <\/td>\n<\/tr>\n | ||||||
| 154<\/td>\n | IIAR MSS NAIMA NBBI NFPA <\/td>\n<\/tr>\n | ||||||
| 155<\/td>\n | NSF SMACNA <\/td>\n<\/tr>\n | ||||||
| 156<\/td>\n | UL <\/td>\n<\/tr>\n | ||||||
| 160<\/td>\n | APPENDIX A CHIMNEY CONNECTOR PASS-THROUGHS FIGURE A-1 CHIMNEY CONNECTOR SYSTEMS <\/td>\n<\/tr>\n | ||||||
| 161<\/td>\n | FIGURE A-1\u2014continued CHIMNEY CONNECTOR SYSTEMS <\/td>\n<\/tr>\n | ||||||
| 162<\/td>\n | APPENDIX B RECOMMENDED PERMIT FEE SCHEDULE B101 MECHANICAL WORK, OTHER THAN GAS PIPING SYSTEMS B102 FEE FOR REINSPECTION B103 TEMPORARY OPERATION INSPECTION FEE B104 SELF-CONTAINED UNITS LESS THAN 2 TONS <\/td>\n<\/tr>\n | ||||||
| 164<\/td>\n | INDEX <\/td>\n<\/tr>\n | ||||||
| 170<\/td>\n | ICC MEMBERSHIP <\/td>\n<\/tr>\n | ||||||
| 171<\/td>\n | ICC EVALUATION SERVICE <\/td>\n<\/tr>\n | ||||||
| 172<\/td>\n | ICC PLAN REVIEW SERVICES <\/td>\n<\/tr>\n | ||||||
| 173<\/td>\n | VALUABLE GUIDES TO CHANGES IN THE 2018 I-CODES\u00ae <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" International Mechanical Code<\/b><\/p>\n |