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International Fuel Gas Code, 2003
- Welcome Page
- Copyright
- Preface
- Ordinance
- Table Of Contents
- Chapter 1 - Administration [Go to Page]
- Section 101 (IFGC) -General
- Section 102 (IFGC) - Applicability
- Section 103 (IFGC) - Department Of Inspection
- Section 104 (IFGC) - Duties And Powers Of The Code Official
- Section 105 (IFGC) - Approval
- Section 106 (IFGC) - Permits
- Section 107 (IFGC) - Inspections And Testing
- Section 108 (IFGC) - Violations
- Section 109 (IFGC) - Means Of Appeal
- Chapter 2 - Definitions [Go to Page]
- Section 201 (IFGC) - General
- Section 202 (IFGC) - General Definitions
- Chapter 3 - General Regulations [Go to Page]
- Section 301 (IFGC) - General
- Section 302 (IFGC) - Structural Safety
- Section 303 (IFGC) - Appliance Location
- Section 304 (IFGS) - Combustion, Ventilation And Dilution Air [Go to Page]
- Equation 3-1
- Equation 3-2
- Figure 304.5.3 - All Air From Inside The Building (see Section 304.5.3)
- Figure 304.6.1(1) - All Air From Outdoors - Inlet Air From Ventilated Crawl Space And Outlet Air To Ventilated Attic (see Section 304.6.1)
- Figure 304.6.1(2) - All Air From Outdoors Through Ventilated Attic (see Section 304.6.1)
- Figure 304.6.1(3) - All Air From Outdoors (see Section 304.6.1)
- Figure 304.6.2 - Single Combustion Air Opening, All AIr From Outdoors (see Section 304.6.2)
- Section 305 (IFGC) - Installation
- Section 306 (IFGC) - Access And Service Space
- Section 307 (IFGC) - Condensate Disposal
- Section 308 (IFGS) - Clearance Reduction [Go to Page]
- Table 308.2 - Reduction Of Clearance With Specified Forms Of Protection
- Figure 308.2(1) - Extent Of Protection Necassary To Reduce Clearances From Gas Equipment Or Vent Connections
- Figure 308.2(2) - Wall Protection Clearance Reduction System
- Figure 308.2(3) - Masonry Clearance Reduction System
- Section 309 (IFGC) - Electrical
- Section 310 (IFGS) - Electrical Bonding
- Chapter 4 - Gas Piping Installations [Go to Page]
- Section 401 (IFGC) - General
- Section 402 (IFGS) -Pipe Sizing [Go to Page]
- Table 402.2 - Approximate Gas Input For Typical Appliances [Go to Page]
- Equation 4-1
- Equation 4-2
- Table 402.4 - Cr And Y Values For Natural Gas And Undiluted Propane At Standard Conditions
- Table 402.4(1) - Schedule 40 Metallic Pipe
- Table 402.4(2) - Schedule 40 Metallic Pipe
- Table 402.4(3) - Schedule 40 Metallic Pipe
- Table 402.4(4) - Schedule 40 Metallic Pipe
- Table 402.4(5) - Schedule 40 Metallic Pipe
- Table 402.4(6) - Schedule 40 Metallic Pipe
- Table 402.4(7) - Semi-Rigid Copper Tubing
- Table 402.4(8) - Semi-Rigid Copper Tubing
- Table 402.4(9) - Semi-Rigid Copper Tubing Use this Table to size Tubing from House Line Regulator to the Appliance
- Table 402.4(10) - Semi-Rigid Copper Tubing
- Table 402.4(11) - Semi-Rigid Copper Tubing
- Table 402.4(12) - Semi-Rigid Copper Tubing Pipe Sizing Between Point of Delivery and the House Line Regulator. Total Lead Supplied by a Single House Line Regulator Not Exceeding 150 Cubic Feet Per Hour
- Table 402.4(13) - Semi-Rigid Copper Tubing
- Table 402.4(14) - Corrugated Stainless Steel Tubing (CSST)
- Table 402.4(15) - Corrugated Stainless Steel Tubing (CSST)
- Table 402.4(16) - Corrugated Stainless Steel Tubing (CSST)
- Table 402.4(17) - Corrugated Stainless Steel Tubing (CSST)
- Table 402.4(18) - Corrugated Stainless Steel Tubing (CSST)
- Table 402.4(19) - Polyethylene Plastic Pipe
- Table 402.4(20) - Polyethylene Plastic Pipe
- Table 402.4(21) - Polyethylene Plastic Pipe
- Table 402.4(22) - Schedule 40 Metallic Pipe Pipe Sizing Between First Stage (High Pressure Regulator) and Second Stage (Low Pressure Regulator)
- Table 402.4(23) - Schedule 40 Metallic Pipe
- Table 402.4(24) - Schedule 40 Metallic Pipe Pipe Sizing Between Single or Second Stage (low Pressure Regulator) and Appliance
- Table 402.4(25) - Semi-Rigid Copper Tubing Sizing Between First Stage (High Pressure Regulator) and Second Stage (Low Pressure Regulator)
- Table 402.4(26) - Semi-Rigid Copper Tubing Sizing Between Single or Second Stage (Low Pressure Regulator) and Appliance
- Table 402.4(27) - Semi-Rigid Copper Tubing
- Table 402.4(28) - Corrugated Stainless Steel Tubing (CSST)
- Table 402.4(29) - Corrugated Stainless Steel Tubing (CSST)
- Table 402.4(30) - Corrugated Stainless Steel Tubing (CSST)
- Table 402.4(31) - Polyethylene Plastic Pipe
- Table 402.4(32) - Polyethylene Plastic Pipe
- Table 402.4(33) - Polyethylene Plastic Pipe
- Section 403 (IFGS) - Piping Materials [Go to Page]
- Table 403.9.2 - Specifications For Threading Metallic Pipe
- Section 404 (IFGC) - Piping System Installation
- Section 405 (IFGS) - Piping Bends And Changes In Direction
- Section 406 (IFGS) - Inspection, Testing And Purging [Go to Page]
- Table 406.7.1 - Length Of Piping Requiring Purging With Inert Gas For Servicing Or Modification
- Table 406.7.2 - Length Of Piping Requiring Purging With Inert Gas Before Placing In Operation
- Section 407 (IFGC) - Piping Support
- Section 408 (IFGC) - Drips And Sloped Piping
- Section 409 (IFGC) - Shutoff Valves
- Section 410 (IFGC) - Flow Controls
- Section 411 (IFGC) - Appliance Connectors
- Section 412 (IFGC) - Liquefied Petroleum Gas Motor Vehicle Fuel-Dispensing Stations
- Section 413 (IFGC) - Compressed Natural Gas Motor Vehicle Fuel-Dispensing Stations [Go to Page]
- Table 413.8.2.3 - Separation Distance For Atmospheric Venting Of CNG
- Section 414 (IFGC) - Supplemental And Standby Gas Supply
- Section 415 (IGGS) - Piping Supprt Intervals [Go to Page]
- Table 415.1 - Support Of Piping
- Chapter 5 - Chimneys And Vents [Go to Page]
- Section 501 (IFGC) - General
- Section 502 (IFGC) - Vents
- Section 503 (IFGS) - Venting Of Equipment [Go to Page]
- Table 503.4 - Type Of Venting System To Be Used
- Figure 503.5.4 - Typical Termination Locations For Chimneys And Single-Wall Metal Pipes Serving Residential-Type And Low-Heat Equipment
- Figure 503.6.6 - Gas Vent Termination Locations For Listed Caps 12 Inches Or Less In Size At Least 8 Feet From A Vertical Wall
- Figure 503.6.10.1 - Plan View Of Practical Separation Method For Multistory Gas Venting
- Table 503.7.7 - Clearance For Connectors
- Table 503.10.2.4 - Minimum Thickness For Galvanized Steel Vent Connectors For Low-Heat Appliances
- Table 503.10.2.5 - Minimum Thickness For Steel Vent Connectors For Medium-Heat Equipment And Commercial And Industrial Incinerators Vent Connector Size
- Section 504 )IFGS) -Sizing Of Category I Appliance Venting Systems [Go to Page]
- Table 504.2(1) - Type B Double-Wall Gas Vent [Go to Page]
- Table 504.2(1) - cont. [Go to Page]
- Table 504.2(1) - cont. [Go to Page]
- Table 504.2(1) - cont.
- Table 504.2(2) - Type B Double-Wall Gas Vent [Go to Page]
- Table 504.2(2) - cont.
- Table 504.2(3) - Masonry Chimney [Go to Page]
- Table 504.2(3) - cont.
- Table 504.2(4) - Masonry Chimney [Go to Page]
- Table 504.2(4) - cont.
- Table 504.2(5) - Single-Wall Metal Pipe Or Type B Asbestos Cement Vent
- Table 504.3.2 - Maximum Vent Connector Length
- Section 505 (IFGC) - Direct-Vent, Integral Vent, Mechanical Vent And Ventilation Exhaust Hood Venting
- Section 506 (IFGC) - Factory-Built Chimneys [Go to Page]
- Table 504.3(1) - Type B Double-Wall Vent [Go to Page]
- Table 504.3(1) - cont.
- Table 504.3(2) - Type B Double-Wall Vent
- Table 504.3(3) - Masonry Chimney
- Table 504.3(4) - Masonry Chimney
- Table 504.3(5) - Single-Wall Metal Pipe Or Type Asbestos Cement Vent
- Table 504.3(6) - Exterior Masonry Chimney
- Table 504.3(7a) - Exterior Masonry Chimney
- Table 504.3(7b) - Exterior Masonry Chimney [Go to Page]
- Table 504.3(7b) - cont.
- Table 504.3(8a) - Exterior Masonry Chimney
- Table 504.3(8b) - Exterior Masonry Chimney [Go to Page]
- Table 504.3(8b) - cont.
- Chapter 6 - Specific Appliances [Go to Page]
- Section 601 (IFGC) - General
- Section 602 (IFGC) - Decorative Appliances For Installation In Fireplaces
- Section 603 (IFGC) - Log Lighters
- Section 604 (IFGC) - Vented Gas Fireplaces (Decorative Fireplaces)
- Section 605 (IFGC) - Vented Gas Fireplace Heaters
- Section 606 (IFGC) - Incinerators And Crematories
- Section 607 (IFGC) - Commercial-Industrial Incinerators
- Section 608 (IFGC) - Vented Wall Furnaces
- Section 609 (IFGC) - Floor Furnaces
- Section 610 (IFGC) - Duct Furnaces
- Section 611 (IFGC) - Non Recirculating Direct-Fired Industrial Air Heaters
- Section 612 (IFGC) - Recirculating Direct-Fired Industrial Air Heaters
- Section 613 (IFGC) - Clothes Dryers
- Section 614 (IFGC) - Clothes Dryer Exhaust
- Section 615 (IFGC) - Sauna Heaters
- Section 616 (IFGC) - Engine And Gas Turbine-Powered Equipment
- Section 617 (IFGC) - Pool And Spa Heaters
- Section 618 (IFGC) - Forced-Air Warm-Air Furnaces
- Section 619 (IFGC) - Conversion Burners
- Section 620 (IFGC) - Unit Heaters
- Section 621 (IFGC) - Unvented Room Heaters
- Section 622 (IFGC) - Vented Room Heaters
- Section 623 (IFGC) - Cooking Appliances
- Section 624 (IFGC) - Water Heaters
- Section 625 (IFGC) - Refrigerators
- Section 626 (IFGC) - Gas Fired Toilets
- Section 627 (IFGC) - Air Conditioning Equipment
- Section 628 (IFGC) - Illuminating Appliances
- Section 629 (IFGC) - Small Ceramic Kilns
- Section 630 (IFGC) - Infrared Radiant Heaters
- Section 631 (IFGC) - Boilers
- Section 632 (IFGC) - Equipment Installed In Existing Unlisted Broilers
- Section 633 (IFGC) - Fuel Cell Power Plants
- Section 634 (IFGC) - Chimney Damper Opening Area [Go to Page]
- Table 634.1 - Free Opening Area Of Chimney Damper For Venting Flue Gases From Unlisted Decorative Appliances For Installation In Vented Fireplaces
- Chapter 7 - Gaseous Hydrogen Systems [Go to Page]
- Section 701 (IFGC) - General
- Section 702 (IFGC) - General Definitions
- Section 703 (IFGC) - General Requirements
- Section 704 (IFGC) - Piping, Use And Handling
- Section 705 (IFGC) - Testing Of Hydrogen Piping Systems
- Section 706 (IFGC) - Location Of Gaseous Hydrogen Systems
- Section 707 (IFGC) - Operation And Maintenance Of Gaseous Hydrogen Systems
- Section 708 (IFGC) - Design Of Liquefied Hydrogen Systems Associated With Hydrogen Vaporization Operations
- IFGC/IFGS Chapter 8 - Referenced Standards
- Appendix A (IFGS) - Sizing And Capacities Of Gas Piping [Go to Page]
- A.1 - General
- A.2 - Description Of Tables [Go to Page]
- Table A.2.4 - Multipliers To Be Used With Tables 402.4(1) Through 402.4(21) Where The Specific Gravity Of The Gas Is Other Than 0.60
- Table A.2.2 - Equivalent Lengths Of Pipe Fittings And Valves [Go to Page]
- Table A.2.2 cont.
- A.3 - Use Of Capacity Tables
- A.4 - Use Of Sizing Equations
- A.5 - Pipe And Tube Diameters [Go to Page]
- Table A.5.1 - Schedule 40 Steel Pipe Standard Sizes
- Table A.5.2 - Copper Tube Standard Sizes
- A.6 - Using Of Sizing Charts [Go to Page]
- Figure A.6 (a) - Capacity Of Natural Gas Piping, Low Pressure (0.60 WC)
- Figure A.6 (b) - Capacity Of Natural Gas Piping, High Pressure (1.5 psi and above)
- A.7 - Examples Of Piping System Design And Sizing [Go to Page]
- Figure A.7.1 - Piping Plan Showing A Steel Piping System
- Figure A.7.2 - Piping Plan Showing A CSST System
- Figure A.7.3 - Piping Plan Showing A Copper Tubing System
- Figure A.7.4 - Piping Plan Showing A Modification To Existing Piping System
- Appendix B (IFGS) - Sizing Of Venting Systems Serving Appliances Equipped With Draft Hoods, Category I Appliances, And Appliances Listed For Use With Type B Vents [Go to Page]
- Examples Using Single Appliance Venting Tables
- Figure B-1 - Type B Double-Wall Vent System Serving A Single Appliance With a Type B Double-Wall Vent
- Figure B-2 - Type B Double-Wall Vent System Serving A Single Appliance With a Single-Wall Metal Vent Connector
- Figure B-3 - Vent System Serving A Single Appliance With a Masonry Chimney Of Type B Double-Wall Vent Connector
- Figure B-4 - Vent System Serving A Single Appliance Using A Masonry Chimney And A Single-Wall Metal Vent Conector
- Figure B-5 - Asbestos Cement Type B Or Single-Wall Metal Vent System Serving A Single Draft-Hood-Equipped Appliance
- Figure B-6 - Vent System Serving Two Or More Appliances With Type B Double Wall Vent And Type B Double-Wall Vent Connector
- Figure B-7 - Vent System Serving Two Or More Appliances With Type B Double-Wall Vent And Single-Wall Metal Vent Connectors
- Figure B-8 - Masonry Chimney Serving Two Or More Appliances With Type B Double-Wall Vent Connector
- Figure B-9 - Masonry Chimney Serving Two Or More Appliances With single-Wall Metal Vent Connectors
- Figure B-10 - Asbestos Cement Type B Or Single-Wall Metal Vent System Serving Two Or More Draft-Hood-Equipped Appliances
- Figure B-11 - Use Of Manifold Common Vent Connector
- Figure B-12 - Use Of Off-Set Common Vent
- Figure B-13 - Multistory Gas Vent Design Procedure For Each Segment Of System
- Figure B-14 - Multistory Vent Systems
- Figure B-15 (Example 1) - Single Draft-Hood Equipped Appliance
- Figure B-16 (Example 2) - Single Fan-Assisted Appliance
- Figure B-17 (Example 4) - Common Venting Two Draft-Hood-Equipped Appliances
- Figure B-18 (Example 5A) - Common Venting A Draft Hood With A Fan-Assisted Furnace Into A Type B Double-Wall Common Vent
- Table B-1 - Masonry Chimney Liner Dimensions With Circular Equivalents
- Figure B-19
- Appendix C (IFGS) - Exit Terminals Of Mechanical Draft And Direct-Venting Systems
- Appendix D (IFGS) - Recommended Procedure For Safety Inspection Of An Existing Appliance Installation
- Index
- Welcome Page [Go to Page]