FUEL GAS 
Update to Model Code
FOR INCLUSION IN THE 2004 Edition of the FLORIDA BUILDING CODE

IFGC ‘03	
FBC ‘01/-04
Section to be revised or added.	
TAC Action	
			
GENERAL:  Wherever the following references are used, they shall be replaced with FL specific reference:
International Energy Conservation Code
International Building Code
International Mechanical Code
International Plumbing
ICC Electrical Code
International Fire Code	

Chapter 13 of the Florida Building Code, Building
Florida Building Code, Building
Florida Building Code, Mechanical
Florida Building Code, Plumbing
Chapter 27 of the Florida Building Code, Building
Florida Fire Prevention Code	FL specific	
Chapter 1. ADMINISTRATION.  Delete and refer to Chap. 1 of the FBC-B.	Chapter 1. ADMINISTRATION.  Deleted and referred to Chap. 1 of the FBC-B.	Delete chapter.
Ref FBC-B 	
201.3 Terms defined in other codes. Where terms are not defined in this code and are defined in the ICC Electrical Code, International Building Code, International Fire Code, International Mechanical Code or International Plumbing Code, such terms shall have meanings ascribed to them as in those codes.
SECTION FG202 (IFGC). GENERAL DEFINITIONS 
REGULATOR. A device for controlling and maintaining a uniform supply pressure, either pounds-to-inches water column (MP regulator) or inches-to-inches water column (appliance regulator).
RISER, GAS. A vertical pipe supplying fuel gas.
ROOM HEATER, VENTED. A free-standing heating unit used for direct heating of the space in and adjacent to that in which the unit is located (see also “Vented room heater”).
SPECIFIC GRAVITY. As applied to gas, specific gravity is the ratio of the weight of a given volume to that of the same volume of air, both measured under the same condition.	FG201.3 Terms defined in other codes. Where terms are not defined in this code and are defined in the Florida Building Code, Building, Florida Fire Prevention Code, Florida Building Code, Mechanical, or Florida Building Code, Plumbing, such terms shall have meanings ascribed to them as in those codes.

SECTION FG202 (IFGC). GENERAL DEFINITIONS
REGULATOR. A device for controlling and maintaining a uniform gas supply pressure, either pounds to pounds, pounds-to-inches water column or inches-to-inches water column (appliance regulator).
RISER, GAS. A vertical pipe supplying fuel gas to a meter assembly or a pressure regulator.
ROOM HEATER, VENTED. See "Vented room heater".
SPECIFIC GRAVITY. As applied to gas, (vapor or liquid), specific gravity is the ratio of the weight of a given volume to that of the same volume of air or water, both measured under the same condition.	FL specific	
UNUSUALLY TIGHT CONSTRUCTION.  [No longer in code].
UNVENTED ROOM HEATER. An unvented heating appliance designed for stationary installation and utilized to provide comfort heating. Such appliances provide radiant heat or convection heat by gravity or fan circulation directly from the heater and do not utilize ducts.
UTILITY GASES.  [Not in code]	UNUSUALLY TIGHT CONSTRUCTION. Construction complying with Chapter 13 of the Florida Building Code, Building.
UNVENTED ROOM HEATER. An unvented gas-fired heating appliance designed for stationary installation and utilized to provide comfort heating. Such appliances provide radiant heat or convection heat by gravity or fan circulation directly from the heater and do not utilize ducts. All products of combustion are discharged into the room being heated.
UTILITY GASES. Natural gas, manufactured gas, liquefied petroleum gas-air mixture or mixtures of any of these gases.	FL specific	
301.1 Scope. This chapter shall govern the approval and installation of all equipment and appliances that comprise parts of the installations regulated by this code in accordance with Section 101.2.
301.1.1 Other fuels. The requirements for combustion and dilution air for gas-fired appliances shall be governed by Section 304. The requirements for combustion and dilution air for appliances operating with fuels other than fuel gas shall be regulated by the International Mechanical Code.	FG301.1 Scope. This chapter shall govern the approval and installation of all equipment and appliances that comprise parts of the installations regulated by this code in accordance with FG301.1.1
FG301.1.1 This code shall apply to the installation of fuel gas piping systems, fuel gas utilization equipment, and related accessories as follows:
1. Coverage of piping systems shall extend from the point of delivery to the connections with gas utilization equipment. (See "point of delivery".)
2. Systems with an operating pressure of 125 psig (862 kPa gauge) or less.
Piping systems for gas-air mixtures within the flammable range with an operating pressure of 10 psig (69 kPa gauge).
LP-Gas piping systems with an operating pressure of 20 psig (140 kPa gauge) or less.
3. Piping systems requirements shall include design, materials, components, fabrication, assembly, installation, testing, inspection, operation, and maintenance.
4. Requirements for gas utilization equipment and related accessories shall include installation, combustion, and ventilation air and venting.
This code shall not apply to the following:
1. Portable LP-Gas equipment of all types that are not connected to a fixed fuel piping system.
2. Installation of farm equipment such as brooders, dehydrators, dryers, and irrigation equipment.
3. Raw material (feedstock) applications except for piping to special atmosphere generators.
4. Oxygen-fuel gas cutting and welding systems.
5. Industrial gas applications using gases such as acetylene and acetylenic compounds, hydrogen, ammonia, carbon monoxide, oxygen, and nitrogen.	FL specific	
	6. Petroleum refineries, pipeline compressor or pumping stations, loading terminals, compounding plants, refinery tank farms, and natural gas processing plants
7. Integrated chemical plants or portions of such plants where flammable or combustible liquids or gases are produced by chemical reactions or used in chemical reactions.
8. LP-Gas installations at utility gas plants.
9. Liquefied natural gas (LNG) installations.
10. Fuel gas piping in power and atomic energy plants.
11. Proprietary items of equipment, apparatus, or instruments such as gas generating sets, compressors, and calorimeters.
12. LP-Gas equipment for vaporization, gas mixing, and gas manufacturing.
13. Temporary LP-Gas piping for buildings under construction or renovation that is not to become part of the permanent piping system.
14. Installation of LP-Gas systems for railroad switch heating.
15. Installation of LP-Gas and compressed natural gas (CNG) systems on vehicles.
16. Gas piping, meters, gas pressure regulators, and other appurtenances used by the serving gas supplier in the distribution of gas, other than undiluted LP-Gas..		
301.7 Fuel types. Fuel-fired appliances shall be designed for use with the type of fuel gas to which they will be connected and the altitude at which they are installed. Appliances that comprise parts of the installation shall not be converted for the usage of a different fuel, except where approved and converted in accordance with the manufacturer’s instructions. The fuel gas input rate shall not be increased or decreased beyond the limit rating for the altitude at which the appliance is installed.   	301.7 Fuel types. Fuel-fired appliances shall be designed for use with the type of fuel gas to which they will be connected and the altitude at which they are installed. Appliances that comprise parts of the installation shall not be converted for the usage of a different fuel, except where approved and converted in accordance with the manufacturer’s instructions or the serving gas supplier.  The fuel gas input rate shall not be increased or decreased beyond the limit rating for the altitude at which the appliance is installed.	Mod 777	
301.10 Wind resistance. Appliances and supports that are exposed to wind shall be designed and installed to resist the wind pressures determined in accordance with the International Building Code.	FG301.10 Wind resistance. Fuel gas appliances and supports that are exposed to wind shall be designed and installed to resist the wind pressures determined in accordance with the Florida Building Code, Building.		
301.12 Seismic resistance. When earthquake loads are applicable in accordance with the International Building Code, the supports shall be designed and installed for the seismic forces in accordance with that code.	Delete FG301.12 (IFGC)		
 Figure 304.6.2 Single Combustion Air Opening, All Air From the Outdoors	Figure 304.3.2(d) Equipment Located in Confined Spaces; All Air from Outdoors, One Opening.	Figures appear same.	
304.7 Combination indoor and outdoor combustion air. The use of a combination of indoor and outdoor combustion air shall be in accordance with Sections 304.7.1 through 304.7.3.
 304.7.1 Indoor openings. Where used, openings connecting the interior spaces shall comply with Section 304.5.3. 
 304.7.2 Outdoor opening location. Outdoor opening(s) shall be located in accordance with Section 304.6. 
 304.7.3 Outdoor opening(s) size. The outdoor opening(s) size shall be calculated in accordance with the following:
 1. The ratio of interior spaces shall be the available volume of all communicating spaces divided by the required volume.
 2. The outdoor size reduction factor shall be one minus the ratio of interior spaces.
 3. The minimum size of outdoor opening(s) shall be the full size of outdoor opening(s) calculated in accordance with Section 304.6, multiplied by the reduction factor. The minimum dimension of air openings shall be not less than 3 inches (76 mm). 	304.4 Combination of air from inside and from outdoors.

FG304.4.1 Number and location of openings. At least two openings shall
be provided, one commencing within 12 inches (30 cm) of the ceiling of
the room and one commencing within 12 inches (30 cm) of the floor.	FL specific	
305.1 General. Equipment and appliances shall be installed as required by the terms of their approval, in accordance with the conditions of listing, the manufacturer’s instructions and this code. Manufacturers’ installation instructions shall be available on the job site at the time of inspection. Where a code provision is less restrictive than the conditions of the listing of the equipment or appliance or the manufacturer’s installation instructions, the conditions of the listing and the manufacturer’s installation instructions shall apply.
 
Unlisted appliances approved in accordance with Section 301.3 shall be limited to uses recommended by the manufacturer and shall be installed in accordance with the manufacturer’s instructions, the provisions of this code and the requirements determined by the code official.	FG305.1 Installation/Instructions. Appliances shall be installed in accordance with the manufacturer's installation instructions which shall be available on the job site at the time of inspection.
	FL specific	
305.3 Elevation of ignition source. Equipment and appliances having an ignition source shall be elevated such that the source of ignition is not less than 18 inches (457 mm) above the floor in hazardous locations and public garages, private garages, repair garages, motor fuel-dispensing facilities and parking garages. For the purpose of this section, rooms or spaces that are not part of the living space of a dwelling unit and that communicate directly with a private garage through openings shall be considered to be part of the private garage.
 Exception: Elevation of the ignition source is not required for appliances that are listed as flammable vapor resistant and for installation without elevation.	Delete FG305.2 (IFGC) Ignition source.
	FL specific	
305.4 Public garages. Appliances located in public garages, motor fuel-dispensing facilities, repair garages or other areas frequented by motor vehicles shall be installed a minimum of 8 feet (2438 mm) above the floor. Where motor vehicles exceed 6 feet (1829 mm) in height and are capable of passing under an appliance, appliances shall be installed a minimum of 2 feet (610 mm) higher above the floor than the height of the tallest vehicle.
 Exception: The requirements of this section shall not apply where the appliances are protected from motor vehicle impact and installed in accordance with Section 305.3 and NFPA 88B.	FG305.2 Public garages/Parking structures. Appliances shall be installed in accordance with the manufacturer's instructions and NFPA 88B.	FL specific	
305.5 Private garages. Appliances located in private garages shall be installed with a minimum clearance of 6 feet (1829 mm) above the floor.
 Exception: The requirements of this section shall not apply where the appliances are protected from motor vehicle impact and installed in accordance with Section 305.3.	Delete FG305.4 Private garages (IFGC)
	FL specific	

	FG309.1 Electrical bonding and grounding. Each aboveground portion of a gas piping system upstream from the equipment shutoff valve shall be electrically continuous and bonded to any grounding electrode, as defined by the Chapter 27 of the Florida Building Code, Building.	FL specific	
401.2 Liquefied petroleum gas storage. The storage system for liquefied petroleum gas shall be designed and installed in accordance with the International Fire Code and NFPA 58.
	FG401.2 Liquefied petroleum gas storage. The storage system (container, regulators, piping and all components upstream to the point of delivery) for liquefied petroleum gas shall be designed and installed in accordance with the Florida Fire Prevention Code and NFPA 58.	FL specific	
401.5 Identification. For other than black steel pipe, exposed piping shall be identified by a yellow label marked “Gas” in black letters. The marking shall be spaced at intervals not exceeding 5 feet (1524 mm). The marking shall not be required on pipe located in the same room as the equipment served.
	FG401.5 Identification. For other than black steel pipe, exposed gas piping shall be identified by a yellow label marked "Gas" in black letters. The marking shall be spaced at intervals not exceeding 5 feet (1524 mm). The marking shall not be required on pipe located in the same room as the equipment served.
Exception: This section shall only apply where other similar piping or tubing in the same general area as the gas lines, containing a different medium, could be confused with the gas lines.	FL specific	
402.2 Maximum gas demand. The volume of gas to be provided, in cubic feet per hour, shall be determined directly from the manufacturer’s input ratings of the gas utilization equipment served. Where an input rating is not indicated, the gas supplier, equipment manufacturer or a qualified agency shall be contacted, or the rating from Table 402.2 shall be used for estimating the volume of gas to be supplied.
 The total connected hourly load shall be used as the basis for pipe sizing, assuming that all equipment could be operating at full capacity simultaneously. Where a diversity of load can be established, pipe sizing shall be permitted to be based on such loads.  [New Table 402.2 is added; corrections are needed]	FG402.2 Maximum Gas Demand.   The volume of gas to be provided (in cubic feet per hour) shall be determined directly from the manufacturers' input ratings of the gas utilization equipment served.  Where input rating is not indicated, the gas supplier, equipment manufacturer, or a qualified agency shall be contacted for estimating the volume of gas to be supplied.

The total connected hourly load shall be used as the basis for piping sizing since all equipment could be operating at full capacity simultaneously. If, however, a diversity of load can be established, smaller sized piping is permitted to be used.	FL specific appears to have been changed in ’03 IFGC.  New table needs fixing per Mod 822	
402.6.1 Liquefied petroleum gas systems. The operating pressure for undiluted LP-gas systems shall not exceed 20 psig (140 kPa gauge). Buildings having systems designed to operate below -5°F (-21°C) or with butane or a propane-butane mix shall be designed to either accommodate liquid LP-gas or prevent LP-gas vapor from condensing into a liquid.
Exception: Buildings or separate areas of buildings constructed in accordance with Chapter 7 of NFPA 58, and used exclusively to house industrial processes, research and experimental laboratories, or equipment or processing having similar hazards	FG402.5.2 Liquefied Petroleum Gas Systems. The operating pressure for undiluted LP-Gas systems shall not exceed 20 psig (140 kPa gauge).  Buildings having systems designed to operate below –5oF (-21oC) or with butane or a propane-butane mix shall be designed to either accommodate liquid LP-Gas or prevent LP-Gas vapor from condensing back into a liquid.
Exception: Buildings, or separate areas of buildings, constructed in accordance with Chapter 7 of NFPA 58, and used exclusively to house industrial processes, research and experimental laboratories, or equipment or processing having similar hazards.	IFGC text now the same as FL..	
[Note:  The format of these tables has been changed to reflect the type of pipe in the title with a small identification table that describes the type of gas, the inlet pressure, the pressure drop and specific gravity of the gas. Further, the pipe size and pipe length axes on the tables have been reversed.]	[NOTE: Only the titles of the following tables were changed:]
Table FG402(1) Utility Gas Maximum Capacity of Pipe in Cubic Feet of Gas per Hour for Gas Pressures of 0.5 psi and A Pressure Drop of 0.3 Inch Water Column
Table FG402(2) Utility Gas Maximum Capacity of Pipe in Cubic Feet of Gas per Hour for Gas Pressures of 0.5 psi and A Pressure Drop of 0.5 Inch Water Column
Table FG402(3) Utility Gas Maximum Capacity of Pipe in Cubic Feet of Gas per Hour for Gas Pressure of 2.0 psi and A Pressure Drop of 1.0 psi
Table FG402(4) Utility Gas Maximum Capacity of Pipe in Cubic Feet of Gas per Hour for Gas Pressure of 5.0 psi and A Pressure Drop of 3.5 psi	FL specific table titles	
	Table FG402(5) Utility Gas Maximum Capacity of Pipe in Cubic Feet of Gas per Hour for Gas Pressure of 1 psi and A Pressure Drop of 0.3 Inch Water Column
Table FG402(6) Utility Gas Maximum Capacity of Pipe in Cubic Feet of Gas per Hour for Gas Pressure of 1 psi and A Pressure Drop of 0.5 Inch Water Column Table FG402(7) Utility Gas Maximum Capacity of Pipe in Cubic Feet per Hour for Gas Pressure of 1.0 psi And a Pressure Drop of 10 Percent 
Table FG402(8) Utility Gas Maximum Capacity of Pipe in Cubic Feet of Gas per Hour for Gas Pressure of 2.0 psi and A Pressure Drop of 10 Percent
Table FG402(9) Utility Gas Maximum Capacity of Pipe in Cubic Feet of Gas per Hour for Gas Pressure of 5.0 psi A Pressure Drop of 10 Percent
Table FG402(10) Utility Gas Maximum Capacity of Pipe in Cubic Feet of Gas per Hour for Gas Pressure of 10.0 psi and A Pressure Drop of 10 Percent
Table FG402(11) Utility Gas Maximum Capacity of Pipe in Cubic Feet of Gas per Hour for Gas Pressure of 20.0 psi and A Pressure Drop of 10 Percent
Table FG402(12) Utility Gas Maximum Capacity of Pipe in Cubic Feet of Gas per Hour for Gas Pressure of 50.0 psi and A Pressure Drop of 10 Percent
Table FG402(13) Utility Gas Maximum Capacity of Semi-Rigid Tubing in Cubic Feet of Gas per Hour for Gas Pressures of 0.5 psi and A Pressure Drop of 0.3 Inch Water Column
Table FG402(14) Utility Gas Maximum Capacity of Semi-Rigid Tubing in Cubic Feet of Gas per Hour for Gas Pressures of 0.5 psi and A Pressure Drop of 0.5 Inch Water Column
Table FG402(15) Utility Gas Maximum Capacity of Pipe in Cubic Feet of Gas per Hour for Gas Pressures of 0.5 psi and A Pressure Drop of 1.0 Inch Water Column
Table FG402(16) Utility Gas Maximum Capacity of Semi-Rigid Tubing in Cubic Feet of Gas per Hour for Gas Pressure of 2.0 psi and A Pressure Drop of 17 Inches Water Column
Table FG402(17) Utility Gas Maximum Capacity of Semi-Rigid Tubing in Cubic Feet of Gas per Hour for A Gas Pressure of 2.0 psi and A Pressure Drip of 1.0 psi
Table FG402(18) Utility Gas Maximum Capacity of Semi-Rigid Tubing in Cubic Feet of Gas per Hour for Gas Pressure of 5.0 psi and A Pressure Drop of 3.5 psi
Table FG402(19) Utility Gas Maximum Capacity of CSST in Cubic Feet of Gas per Hour for Gas Pressure of 0.5 psi and A Pressure Drop of 0.5 Inch Water Column
Table FG402(20) Utility Gas Maximum Capacity of CSST in Cubic Feet of Gas per Hour for Gas Pressure of 0.5 psi and A Pressure Drop of 3 Inches Water Column

	FL specific	
	Table FG402(21) Utility Gas Maximum Capacity of CSST in Cubic Feet of Gas per Hour for Gas Pressure of 0.5 psi and A Pressure Drop of 6 Inches Water Column
Table FG402(22) Utility Gas Maximum Capacity of CSST in Cubic Feet of Gas per Hour for Gas Pressure of 2 psi and A Pressure Drop of 1 psi or Less
Table FG402(23) Utility Gas Maximum Capacity of CSST in Cubic Feet of Gas per Hour for Gas Pressure of 5 psi and A Pressure Drop of 3.5 psi or Less
Table FG402(24) Utility Gas Multipliers to Be Used with Table FG402(1) Through Table FG402(12) when the Specific Gravity of the Gas is Other Than 0.60
Table FG402(25) Lp-Gas Maximum Capacity of Pipe in Thousands of Btu per Hour for Gas Pressure of 10 psi and A Pressure Drop of 1 psi Sizing between First Stage (High Pressure Regulator) and Second Stage (Low Pressure Regulator)
Table FG402(26) Lp-Gas Maximum Capacity of Pipe in Thousands of Btu per Hour for Gas Pressure of 11 Inches Water Column and A Pressure Drop of 0.5 Inch Water Column Sizing between Single or Second Stage (Low Pressure Regulator) and Appliance
Table FG402(27) Lp-Gas Maximum Capacity of Copper Tubing in Thousands of Btu per Hour for Gas Pressure of 10 psi and A Pressure Drop of 1 psi Sizing between First Stage (High Pressure Regulator and Second Stage (Low Pressure Regulator)
Table FG402(28) Lp-Gas Maximum Capacity of Copper Tubing in Thousands of Btu per Hour for Gas Pressure of 11 Inches Water Column and A Pressure Drop of 0.5 Inch Water Column
Table FG402(29) Lp-Gas Maximum Capacity of CSST in Thousands of Btu per Hour for Gas Pressure of 11 Inches Water Column and A Pressure Drop of 0.5 Inch Water Column
Table FG402(30) Lp-Gas Maximum Capacity of CSST in Thousands of Btu per Hour for Gas Pressure of 2 psi and A Pressure Drop of 1 psi
Table FG402(31) Lp-Gas Maximum Capacity of CSST in Thousands of Btu per Hour for Gas Pressure of 5 psi and A Pressure Drop of 3.5 psi
Table FG402(32) Lp-Gas Maximum Capacity of Polyethylene Plastic in Thousands of Btu per Hour for Gas Pressure of 10 psi and A Pressure Drop of 1 psi
Table FG402(33) Lp-Gas Maximum Capacity of Polyethylene Plastic in Thousands of Btu per Hour for Gas Pressure of 10 psi and A Pressure Drop of 1 psi
Table FG402(34) Lp-Gas Maximum Capacity of Polyethylene Plastic in Thousands of Btu per Hour for Gas Pressure of 11 Inches Water Column and A Pressure Drop of 0.5 Inch Water Column		
NA	Delete FG 403.2.3 Nodular (ductile) iron pipe …(IFGC)	Metallic pipe sect. 
much changed..	
403.7 Workmanship and defects. Pipe, tubing and fittings shall be clear and free from cutting burrs and defects in structure or threading, and shall be thoroughly brushed, and chip and scale blown.
 Defects in pipe, tubing and fittings shall not be repaired. Defective pipe, tubing and fittings shall be replaced (see Section 406.1.2).
	FG403.4 Workmanship and Defects. Gas pipe or tubing and fittings shall be clear and free from cutting burrs and defects in structure or threading, and shall be thoroughly brushed, and chip and scale blown.

Defects in pipe or tubing or fittings shall not be repaired. When defective pipe, tubing, or fittings are located in a system, the defective material shall be replaced.	

Deleted reference	
404.7 Above-ground outdoor piping. All piping installed outdoors shall be elevated not less than 31/2 inches (152 mm) above ground and where installed across roof surfaces, shall be elevated not less than 31/2 inches (152 mm) above the roof surface. Piping installed above ground, outdoors, and installed across the surface of roofs shall be securely supported and located where it will be protected from physical damage. Where passing through an outside wall, the piping shall also be protected against corrosion by coating or wrapping with an inert material. Where piping is encased in a protective pipe sleeve, the annular space between the piping and the sleeve shall be sealed.	FG404.7 Aboveground Piping Outdoors. Piping installed aboveground outdoors shall be securely supported and located where it will be protected from physical damage. Where passing through an outside wall, the piping shall also be protected against corrosion by coating or wrapping with an inert material. Where piping is encased in a protective sleeve, the annular space between the gas piping and the sleeve shall be sealed.	FL specific	
404.14.3 Tracer. A yellow insulated copper tracer wire or other approved conductor shall be installed adjacent to underground nonmetallic piping. Access shall be provided to the tracer wire or the tracer wire shall terminate above ground at each end of the nonmetallic piping. The tracer wire size shall not be less than 18 AWG and the insulation type shall be suitable for direct burial.	FG404.13.4 Tracer. An insulated copper tracer wire or other approved conductor shall be installed adjacent to underground nonmetallic gas piping.  Access shall be provided to the tracer wire or the tracer wire shall terminate above ground at each end of the nonmetallic gas piping. The tracer wire size shall not be less than 18 AWG and the insulation type shall be suitable for direct burial.	FL specific	
406.2 Test medium. The test medium shall be air, nitrogen, carbon dioxide or an inert gas. Oxygen shall not be used.
	FG406.2 Test Medium. The test medium shall be air or an inert gas. OXYGEN SHALL NEVER BE USED.
Exception: Fuel gas shall be permitted to be used in piping systems operating at pressures of 0.5 psig (3.4 kPa gauge) or less.	FL specific	
406.3.4 Valve isolation. Where the piping system is connected to equipment or components designed for operating pressures equal to or greater than the test pressure, such equipment shall be isolated from the piping system by closing the individual equipment shutoff valve(s).	FG406.3.4 Where the piping system is connected to equipment or components designed for operating pressures of less than the test pressure, such equipment or components shall be isolated from the piping system by disconnecting them and plugging or capping the outlet(s).	FL specific	
TABLE 406.7.1 LENGTH OF PIPING REQUIRING PURGING WITH INERT GAS FOR SERVICING OR MODIFICATION [rest is the same]	TABLE FG406.8.1, LENGTH OF PIPING REQUIRING PURGING FOR SERVICING OR MODIFICATION	FL specific	
406.7.4 Placing equipment in operation. After the piping has been placed in operation, all equipment shall be purged and then placed in operation, as necessary.	FG406.8.4 Placing Equipment in Operation. After the piping has been placed in operation, all equipment shall be placed in operation, as per its listing and the manufacturer's instructions.	FL specific	
407.2 Design and installation. Piping shall be supported with pipe hooks, metal pipe straps, bands, brackets, or hangers suitable for the size of piping, of adequate strength and quality, and located at intervals so as to prevent or damp out excessive vibration. Piping shall be anchored to prevent undue strains on connected equipment and shall not be supported by other piping. Pipe hangers and supports shall conform to the requirements of MSS SP-58 and shall be spaced in accordance with Section 415. Supports, hangers, and anchors shall be installed so as not to interfere with the free expansion and contraction of the piping between anchors. All parts of the supporting equipment shall be designed and installed so they will not be disengaged by movement of the supported piping. [Table is in Section 415]	FG407.2 Design and Installation.   Piping shall be supported with pipe hooks, pipe straps, bands, brackets, or hangers suitable for the size of piping, of adequate strength and quality, and located at intervals so as to prevent or damp out excessive vibration.  Piping shall be anchored to prevent undue strains on connected equipment and shall not be supported by other piping.  Pipe hangers and supports shall conform to the requirements of MSS SP-58 and shall be spaced in accordance with Table FG407.2.  Supports, hangers, and anchors shall be installed so as not to interfere with the free expansion and contraction of the piping between anchors.  All parts of the supporting equipment shall be designed and installed so they will not be disengaged by movement of the supported piping.
TABLE FG407.2 (IFGS), SUPPORT OF PIPING	FL combined two sections instead of referencing the other.	
409.5 Equipment shutoff valve. Each appliance shall be provided with a shutoff valve separate from the appliance. The shutoff valve shall be located in the same room as the appliance, not further than 6 feet (1829 mm) from the appliance, and shall be installed upstream from the union, connector or quick disconnect device it serves. Such shutoff valves shall be provided with access.
 Exception: Shutoff valves for vented decorative appliances and decorative appliances for installation in vented fireplaces shall not be prohibited from being installed in an area remote from the appliance where such valves are provided with ready access. Such valves shall be permanently identified and shall serve no other equipment. Piping from the shutoff valve to within 3 feet (914 mm) of the appliance connection shall be sized in accordance with Section 402.
 409.5.1 Shutoff valve in fireplace. Equipment shutoff valves located in the firebox of a fireplace shall be installed in accordance with the appliance manufacturer’s instructions.	FG409.7 Appliance Shutoff Valve. Each gas appliance shall be provided with a gas shutoff valve or listed and labeled gas convenience outlet located in the same room as the appliance not farther than 6 feet (1829 mm) from the appliance and installed upstream from the union, connector or quick-disconnect device it serves. Such shutoff valves shall be provided with access.	FL deleted the word “ready” from “access”, as did IFGC. IFGC ’03 added an exception	
	411.1.4 Outdoor Appliance Connectors. Outdoor gas hose connectors are permitted to connect portable outdoor gas-fired equipment. An equipment shutoff valve, a listed quick-disconnect device, or a listed gas convenience outlet shall be installed where the connector is attached to the supply piping and in such a manner so as to prevent the accumulation of foreign matter. Lengths shall not exceed 12 feet and the connection shall only be made in the outdoor area where the equipment is to be used.	Mod 776	
	FG502.2 Additional Requirements to Single Appliance Vent Tables FG502(1) through Table FG502(5) and Table FG502(11).	Text rewritten	
	FG502.3 Additional Requirements to Multiple Appliance Vent Table FG502(6) through Table FG502(10) and Table FG502(12) through Table FG502(13).	Text rewritten 	
503.6.10 Gas vents serving equipment on more than one floor. A single or common gas vent shall be permitted in multistory installations to vent Category I equipment located on more than one floor level, provided the venting system is designed and installed in accordance with this section and approved engineering methods.
 503.6.10.1 Equipment separation. All equipment connected to the common vent shall be located in rooms separated from habitable space. Each of these rooms shall have provisions for an adequate supply of combustion, ventilation, and dilution air that is not supplied from habitable space (see Figure 503.6.10.1).
 503.6.10.2 Sizing. The size of the connectors and common segments of multistory venting systems for equipment listed for use with Type B double-wall gas vent shall be in accordance with Table 504.3(1) and Figures B-13 and B-14 in Appendix B, provided:
1. The available total height (H) for each segment of a multistory venting system is the vertical distance between the level of the highest draft hood outlet or flue collar on that floor and the centerline of the next highest interconnection tee (see Figure B-13).
2. The size of the connector for a segment is determined from its gas utilization equipment heat input and available connector rise, and shall not be smaller than the draft hood outlet or flue collar size.
3. The size of the common vertical segment, and of the interconnection tee at the base of that segment, shall be based on the total gas utilization equipment heat input entering that segment and its available total height.	FG506.6.4 Gas Vents Serving Equipment on More than One Floor. A single or common gas vent shall be permitted in multistory installations to vent or Category I gas utilization equipment located on more than one floor level, provided the venting system is designed and installed in accordance with approved engineering methods.

All gas utilization equipment connected to the common vent shall be located in rooms separated from habitable space. Each of these rooms shall have provisions for an adequate supply of combustion, ventilation, and dilution air that is not supplied from habitable space. (See Figure FG506.6.4.)

The size of the connectors and common segments of multistory venting systems for gas utilization equipment listed for use with Type B double-wall gas vent shall be in accordance with Table FG502(6) and Figure FGB-13 and Figure FGB-14 in Appendix B, provided:

(a) The available total height (H) for each segment of a multistory venting system is the vertical distance between the level of the highest draft hood outlet or flue collar on that floor and the centerline of the next highest interconnection tee. (See Figure FGB-13.)	Text has been rewritten	
503.8 Venting system termination location. The location of venting system terminations shall comply with the following (see Appendix C):
	FG506.8 Venting System Location. (See Appendix B)
[Appendix C, which is informative and not part of the code, was left out of the FBC-FG’01. The “Exit Terminal” figure was not included in Appendix B, although Appendix B was referenced instead of Appendix C]	FL specific	
614.2 Duct penetrations. Ducts that exhaust clothes dryers shall not penetrate or be located within any fireblocking, draftstopping or any wall, floor/ceiling or other assembly required by the International Building Code to be fire-resistance rated, unless such duct is constructed of galvanized steel or aluminum of the thickness specified in Table 603.3 of the International Mechanical Code and the fire-resistance rating is maintained in accordance with the International Building Code. Fire dampers shall not be installed in clothes dryer exhaust duct systems.	FG613.2 Duct Penetrations. Ducts that exhaust clothes dryers shall not penetrate or be located within any fireblocking, draftstopping or any wall, floor/ceiling or other assembly required by the building code to be fire-resistance rated, unless such duct is constructed of galvanized steel or aluminum of the thickness specified in Table M603.3 of the Florida Building Code, Mechanical and the fire-resistance rating is maintained in accordance with the Florida Building Code, Building.	IFGC has added text re fire dampers.	
	
Section 615 (IFGC) SAUNA HEATERS
615.1 General. Sauna heaters shall be installed in accordance with the manufacturer’s installation instructions.
 615.2 Location and protection. Sauna heaters shall be located so as to minimize the possibility of accidental contact by a person in the room.
 615.2.1 Guards. Sauna heaters shall be protected from accidental contact by an approved guard or barrier of material having a low coefficient of thermal conductivity. The guard shall not substantially affect the transfer of heat from the heater to the room.
 615.3 Access. Panels, grilles and access doors that are required to be removed for normal servicing operations shall not be attached to the building.
 615.4 Combustion and dilution air intakes. Sauna heaters of other than the direct-vent type shall be installed with the draft hood and combustion air intake located outside the sauna room. Where the combustion air inlet and the draft hood are in a dressing room adjacent to the sauna room, there shall be provisions to prevent physically blocking the combustion air inlet and the draft hood inlet, and to prevent physical contact with the draft hood and vent assembly, or warning notices shall be posted to avoid such contact. Any warning notice shall be easily readable, shall contrast with its background and the wording shall be in letters not less than 1/4 inch (6.4 mm) high.
 615.5 Combustion and ventilation air. Combustion air shall not be taken from inside the sauna room. Combustion and ventilation air for a sauna heater not of the direct-vent type shall be provided to the area in which the combustion air inlet and draft hood are located in accordance with Section 304.
 615.6 Heat and time controls. Sauna heaters shall be equipped with a thermostat which will limit room temperature to 194°F (90°C). If the thermostat is not an integral part of the sauna heater, the heat-sensing element shall be located within 6 inches (152 mm) of the ceiling. If the heat-sensing element is a capillary tube and bulb, the assembly shall be attached to the wall or other support, and shall be protected against physical damage.
 615.6.1 Timers. A timer, if provided to control main burner operation, shall have a maximum operating time of 1 hour. The control for the timer shall be located outside the sauna room.
 615.7 Sauna room. A ventilation opening into the sauna room shall be provided. The opening shall be not less than 4 inches by 8 inches (102 mm by 203 mm) located near the top of the door into the sauna room.
 615.7.1 Warning notice. The following permanent notice, constructed of approved material, shall be mechanically attached to the sauna room on the outside:
 WARNING: DO NOT EXCEED 30 MINUTES IN SAUNA. EXCESSIVE EXPOSURE CAN BE HARMFUL TO HEALTH. ANY PERSON WITH POOR HEALTH SHOULD CONSULT A PHYSICIAN BEFORE USING SAUNA.
 The words shall contrast with the background and the wording shall be in letters not less than 1/4 inch (6.4 mm) high.
 Exception: This section shall not apply to one- and two-family dwellings.	FG614 (IFGC) (Reserved)
	Sauna Heaters were not included in the FBC-FG’01	
	
624.1.1 Installation requirements. The requirements for water heaters relative to sizing, relief valves, drain pans and scald protection shall be in accordance with the International Plumbing Code.
	FG623.6.1 Discharge. The relief valve shall discharge full size to a safe place of disposal such as the floor, outside the building or an indirect waste receptor. The discharge pipe shall not have any trapped sections and shall have a visible air gap or air gap fitting located in the same room as the water heater. The discharge shall be installed in a manner that does not cause personal injury to occupants in the immediate area or structural damage to the building.	FL specific	
624.1.1 Installation requirements. The requirements for water heaters relative to sizing, relief valves, drain pans and scald protection shall be in accordance with the International Plumbing Code.
	FG623.7 Required pan. Where water heaters or hot water storage tanks are installed above the ground floor space, or in attics or ceiling areas, the tank or water heater shall be installed in a galvanized steel pan having a minimum thickness of 24 gage (0.016 inch) (0.4 mm) or other pans listed for use.
FG623.7.1 Pan Size and Drain. The pan shall not be less than 1½  inches (38 mm) deep and shall be of sufficient size and shape to receive all drippings or condensate from the tank or water heater. The pan shall be drained by an indirect waste pipe having a minimum diameter of ¾ inch.	FL specific	
632.1 General. Gas equipment installed in existing unlisted boilers shall comply with Section 631.1 and shall be installed in accordance with the manufacturer’s instructions and the International Mechanical Code.
	FG631.1 General.   Gas equipment installed in existing unlisted boilers shall comply with 'FG630.1 and shall be installed in accordance with the manufacturer's instructions, the Florida Building Code, Mechanical and the provisions of this section.	FL specific	
NA	FG631.2 Scope. The requirements of this section apply to the installation of gas equipment in unlisted boilers having an input over 400,000 Btu per hour (11.7 kW), having a working pressure of not over l5 psi (103 kPa), and which furnish steam, hot water, or both for heating and water heating.	This section is significantly reduced	

		
CHAPTER 8 REFERENCED STANDARDS [Updated	CHAPTER FG7 REFERENCED STANDARDS 		
]	ASTM American Society for Testing and Materials
100 Barr Harbor Drive
West Conshohocken, PA 19428-2959
Standard                                                                                      Referenced 
Reference                                                                                          in Code
Number            Title                                                                         Section 
A 53-97     Specification for Pipe, Steel, Black and Hot Dipped 
                   Zinc-Coated Welded and Seamless ................      ........ FG403.2.2
A 106-97    Specification for Seamless Carbon Steel
                   Pipe for High-Temperature Service . ........................ FG403.2.2
A254-97     Specification for Copper Brazed Steel Tubing .      FG403.2.5.1
A 539-96  Specification for Electric Resistance-Welded
                   Coiled Steel Tubing for Gas and Fuel Oil Lines..... FG403.2.5.1
B 88-95     Specification for Seamless Copper Water Tube ..... FG403.2.5.2
B 210-95    Specification for Aluminum and Aluminum-Alloy Drawn
                   Seamless Tubes ............. ........................................ FG403.2.5.3
B 241-95    Specification for Aluminum and Aluminum-Alloy,. .FG403.2.4, 
                   Seamless Pipe and Seamless Extruded Tube ... ..... FG403.2.5.3
B 280-97    Specification for Seamless Copper Tube for Air[
                   Conditioning and Refrigeration Field Service        ...FG403.2.5.2
C 64-94     Specification for Refractories for Incinerators and 
                  Boilers                                                                        .FG506.10.2
C 315-96    Specification for Clay Flue Linings ........          ........... FG501.12
D 2513-95  Specification for Thermoplastic Gas Pressure Pipe, 
                   Tubing, and Fittings .................. FG403.3, FG403.8,FG404.13.2		
	NFPA      National Fire Protection Association
1 Batterymarch Pike
P.O. Box 9101
Quincy, MA 02269-9101
Standard                                                                                        Referenced
Reference                                                                                        in Code
Number            Title                                                                         Section r
37-02 94 Stationary Combustion Engines and Gas Turbines .......... FG615.1
51-02 97     Design and Installation of Oxygen-Fuel Gas Systems for 
              Welding, Cutting, and Allied Processes ............................ FG413.1
52-98	Compressed Natural Gas (CNG) Vehicular Fuel Systems...FG412.1
58-99	Liquified Petroleum Gases Code .......FG401.2, FG403.3, FG403.8
82-99    Incinerators, Waste and Linen Handling Systems 
               and Equipment ................................................................. FG606.1
88B-95    Repair Garages ................................................................ FG305.2
211-03 00 Chimneys, Fireplaces, Vents, and Solid Fuel-Burning 
                Appliances ................................................ FG506.5.4, FG506.5.1		
	UL        Underwriters Laboratories Inc.
333 Pfingsten Road
Northbrook, IL 60062
Standard                                                                                          Referenced
Reference                                                                                             in Code
Number           Title                                                                             Number
1777-965    Chimney Liners with revisions thru August 1998  ......FG501.12,
 103- 0198  Factory-Built Chimneys, Residential Type and 
                   Building Heating Appliances with revisions thru 
                   March 1999                                                           506.1,501.15.4
411-96	  Gas Vents – with Revisions through December April 1999    502.1
726-95	   Oil-Fired Boiler Assemblies with Revisions thru 
                January 2001                                                                            630.1
795-01 99  Commercial-Industrial Gas Heating Equipment  610.1, 618.1,
                                                                                                                 631.1
834-95	    Heating, Water Supply, and Power Boilers – Electric – 
                  with revisions thru November 1998 1995                              630.1
1777-96 98  Chimney Liners – with Revisions through August
                    July 1998                                                                           501.12 		
Make editorial corrections to the IFGC ‘03
•	Page 76, table 503.4, 2nd row, right column, change section reference “607” to 608”.
•	Page 97, section 504.3.4, 8th line, change “(LM)” to “(Lm)”
•	Page 109, section, 603.1, change standard reference “1AS 8” to “CSA 8”.
•	Page 119, section 703.1.2, change section reference “502.15” to “502.16”
•	Page 146, appendix B, example 5c, 5ch paragraph, 1st line, change section reference “504.3.17” to “504.3.19”.
•	Page 56, table 402.4(27), change title to read: “Semi-Rigio Copper Tubing”.
•	Page 98, section 504.3.15, change title to read: “Multistory Common Vent”.
•	Page 95, table 504.2(5), in 2nd row, right column of title matrix, change “Category I” to “Draft Hood-Equipped”.
•	Page 22, section 304.10 4th line, change to read: “design of louver, grille or screen is known, ……”
--Also change 6TH line to read: “…design and free area of louvers and grilles are not known,…”
--Also at the end of the 3rd sentence, insert the following: “screens shall have a mesh size not smaller than ¼ Inch.”
•	Page 139, appendix 8, change title last row to read: “…Appliances Listed For Use With Type B Vents.”
		Mod 822