Already a subscriber? ![](/assets/images/login.png)
![](/assets/images/x.png)
MADCAD.com Free Trial
Sign up for a 3 day free trial to explore the MADCAD.com interface, PLUS access the
2009 International Building Code to see how it all works.
If you like to setup a quick demo, let us know at support@madcad.com
or +1 800.798.9296 and we will be happy to schedule a webinar for you.
Security check![](/assets/images/x.png)
Please login to your personal account to use this feature.
Please login to your authorized staff account to use this feature.
Are you sure you want to empty the cart?
![](/assets/images/159.gif)
International Mechanical Code, 2003
- Welcome Page
- Preface
- Ordinance
- Table Of Contents
- Chapter 1 - Administration [Go to Page]
- Section 101 - General
- Section 102 - Applicability
- 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
- Chapter 2 - Definitions [Go to Page]
- Section 201 - General
- Section 202 - General Definitions
- Chapter 3 - General Regulations [Go to Page]
- Section 301 - General
- Section 302 - Protection Of Structure
- Section 303 - Equipment And Appliance Location
- Section 304 - Installation
- Section 305 - Piping support [Go to Page]
- Table 305.4 - Piping Support Spacing
- Section 306 - Access And Service Space
- Section 307 - Condensate Disposal
- Section 308 - Clearance Reduction [Go to Page]
- Table 308.6 - Clearance Reduction Methods
- [B] Section 309 - Temperature Control
- [F] Section 310 - Explosion Control
- [F] Section 311 - Smoke And Heat Vents
- Section 312 - Heating And Cooling Load Calculations
- Chapter 4 - Ventilation [Go to Page]
- Section 401 - General [Go to Page]
- Table 401.6 - Opening Sizes In Louvers, Grilles And Screens Protecting Outdoor Exhaust And Air Intake Openings
- [B] Section 402 - Natural Ventilation
- Section 403 - Mechanical Ventilation [Go to Page]
- Equation 4-1
- Table 403.3 - Required Outdoor Ventilation Air [Go to Page]
- Table 403.3 - cont. [Go to Page]
- Table 403.3 - cont.
- Section 404 - Enclosed Parking Garages
- Section 405 - Systems Control
- Section 406 - Ventilation Of Uninhabited Spaces
- Chapter 5 - Exhaust Systems [Go to Page]
- Section 501 - General
- Section 502 - Required Systems [Go to Page]
- Equation 5-1
- Section 503 - Motors And Fans
- Section 504 - Clothes Dryer Exhaust
- Section 505 - Domestic Kitchen Exhaust Equipment
- Section 506 - Commercial Kitchen Hood Ventilation System Ducts And Exhaust Equipment
- Section 507 - Commercial Kitchen Hoods [Go to Page]
- Table 507.11 - Minimum Distance Between The Lowest Edge Of A Grease Filter And The Cooking Surface Or The Heating Surface
- Section 508 - Commercial Kitchen Makeup Air
- Section 509 - Fire Suppression Systems
- Section 510 - Hazardous Exhaust Systems [Go to Page]
- Table 510.8 - Minimum Duct Thickness
- Table 510.8.2 - Clearance To Combustibles
- Section 511 - Dust, Stock And Refuse Conveying Systems
- Section 512 - Subslab Soil Exhaust Systems [Go to Page]
- Table 511.2 - Construction, Clearance And Termination Requirements For Single-Wall Metal Chimneys
- Equation 5-2
- Equation 5-3
- Equation 5-4
- Equation 5-5
- Equation 5-6
- Equation 5-7
- Equation 5-8
- Equation 5-9
- Equation 5-10
- Section 514 - Energy Recovery Ventilation Systems
- Chapter 6 - Duct Systems [Go to Page]
- Section 601 - General
- Section 602 - Plenums
- Section 603 - Duct Construction And Installation [Go to Page]
- Table 603.4 - Duct Construction Minimum Sheet Metal Thickness For Single Dwelling Units
- Section 604 - Insulation
- Section 605 - Air Filters
- Section 606 - Smoke Detection Systems Control
- [B] Section 607 - Ducts And Air Transfer Openings [Go to Page]
- Table 607.3.1 - Fire Dampering
- Chapter 7 - Combustion Air [Go to Page]
- Section 701 - General
- Section 702 - Inside Air
- Section 703 - Outdoor Air
- Section 704 - Combined Use Of Inside And Outdoor Air (Condition 1)
- Section 705 - Combined Use Of Inside And Outdoor Air (Condition 2)
- Section 706 - Forced Combustion Air Supply
- Section 707 - Direct Connection
- Section 708 - Combustion Air Ducts
- Section 709 - Opening Obstructions
- Section 710 - Opening Location And Protection
- Chapter 8 - Chimneys And Vents [Go to Page]
- Section 801 - General
- Section 802 - Vents [Go to Page]
- Table 802.2 - Vent Application
- Section 803 - Connectors [Go to Page]
- 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
- Table 803.10.4 - Chimney Connector Systems And Clearances To Combustible Wall Materials For Domestic Heating Appliances
- Table 803.10.6 - Connector Clearances To Combustibles
- Section 804 - Direct-Vent, Integral Venst And Mechanical Draft Systems
- Section 805 - Factory-Built Chimneys
- Section 806 - Metal Chimneys
- Chapter 9 - Specific Appliances, Fireplaces And Solid Fuel-Burning Equipment [Go to Page]
- 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
- Section 909 - Vented Wall Furnaces
- Section 910 - Floor Furnaces
- 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
- 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 Ceramin Kilns
- Section 924 - Stationary Fuel Cell Power Plants
- Section 925 - Masonry Heaters
- Chapter 10 - Boilers, Water Heaters And Pressure Vessels [Go to Page]
- Section 1001 - General
- Section 1002 - Water Heaters
- Section 1003 - Pressure Vessels
- Section 1004 - Boilers
- Section 1005 - Boiler Connections
- Section 1006 - Safety And Pressure Relief Valves And Controls
- Section 1007 - Boiler Low Water Cutoff
- Section 1008 - Steam Blowoff Valve
- Section 1009 - Hot Water Boiler Expansion Tank [Go to Page]
- Equation 10-1
- Section 1010 - Gauges
- Section 1011 - Tests
- Chapter 11 - Refrigeration [Go to Page]
- Section 1101 - General
- Section 1102 - System Requirements
- Section 1103 - Refigeration System Classification [Go to Page]
- [F] Table 1103.1 - Refrigerant Classification, Amount And TLV-TWA [Go to Page]
- {F} Table 1103.1 - continued [Go to Page]
- [F] Table 1103.1 -continued
- Section 1104 - System Application Requirements [Go to Page]
- Table 1104.3.2 - Maximum Permissable Quantities Of Refrigerants
- Section 1105 - Machinery Room, General Requirements [Go to Page]
- Equation 11-1
- Equation 11-2
- Section 1106 - Machinery Room, Special Requirements
- Section 1107 - Refrigerant Piping
- Section 1108 - Field Test
- [F] Section 1109 - Periodic Testing
- Chapter 12 - Hydronic Piping [Go to Page]
- Section 1201 - General
- Section 1202 - Material [Go to Page]
- Table 1202.4 - Hydronic Pipe [Go to Page]
- Table 1202.4 - continued
- Table 1202.5 - Hydronic Pipe Fittings
- Section 1203 - Joints And Connections
- Section 1204 - Pipe Insulation
- Section 1205 - Valves
- Section 1206 - Piping Installation
- Section 1207 - Transfer Fluid
- Section 1208 - Tests
- Section 1209 - Embedded Piping
- Chapter 13 - Fuel Oil Piping And Storage [Go to Page]
- Section 1301 - General
- Section 1302 - Material [Go to Page]
- Table 1302.3 - Fuel Oil Piping
- Section 1303 - Joints And Connections
- Section 1304 - Piping Support
- Section 1305 - Fuel Oil System Installation
- Section 1306 - Oil Gauging
- Section 1307 - Fuel Oil Valves
- Section 1308 - Testing
- Chapter 14 - Solar Systems [Go to Page]
- Section 1401 - General
- Section 1402 - Installation
- Section 1403 - Heat Transfer Fluids
- Section 1404 - Materials
- Chapter 15 - Referenced Standards
- Appendix A - Combustion Air Openings And Chimney Connector Pass-Throughs [Go to Page]
- Figure A-1 - All Air From Inside The Building
- Figure A-2 - All Air From Outdoors - Inlet Air From Ventilated Crawl Space And Outlet Air To Ventilated Attic
- Figure A-3 - All Air From Outdoors Through Ventilated Attic
- Figure A-4 - Al lAir From Outdoors Through Horizontal Ducts Or Direct Openings
- Figure A-5 - Chimney Connector Systems [Go to Page]
- Figure A-5 - continued
- Appendix B - Recommended Fee Schedule [Go to Page]
- 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
- Index
- Welcome Page [Go to Page]