Ga. Comp. R. & Regs. 110-11-1-.10
The following codes and amendments are hereby adopted by the Board of Community Affairs as amendments to the Georgia State Minimum Standard Codes for Construction:
THE GEORGIA STATE MINIMUM
STANDARD GAS CODE
(INTERNATIONAL FUEL GAS CODE)
WITH GEORGIA AMENDMENTS
* The Standard Gas Code (International Fuel Gas Code) 2000 Edition is hereby adopted in its entirety as if quoted verbatim herein.
The following Georgia Amendments to the Standard Gas Code (International Fuel Gas Code) are hereby adopted.
The STANDARD GAS CODE (International Fuel Gas Code), 2000 Edition, published by the Southern Building Code Congress International, Inc., when used in conjunction with these Georgia Amendments, shall constitute the official Georgia State Minimum Standard Gas Code (International Fuel Gas Code).
Appendices
Appendices are not enforceable unless they are specifically referenced in the body of the code or adopted for enforcement in the ordinance of the authority having jurisdiction.
GEORGIA STATE AMENDMENTS
CODE REFERENCE:
(a) Change all references from the ICC Electrical, International Building, Fuel Gas, Mechanical, Plumbing or Fire Prevention Codes to the Georgia State Minimum Standard Electrical, Building, Gas, Mechanical, Plumbing or Fire Prevention Codes, respectively. The International Codes should be used when referenced issues are not addressed by the Georgia State Minimum Standard Codes.
(b) Change all references from the International Energy Conservation Code to the Georgia State Energy Code for Buildings. The Georgia State Energy Code for Buildings shall be used for efficiency and coefficient or performance rating of equipment.
* Revise the Standard Gas Code (International Fuel Gas Code), 2000 Edition, as follows:
(a) The State's minimum requirements for natural gas systems shall be established by the National Fuel Gas Code (NFPA 54). Areas not specifically addressed by NFPA 54 and which are addressed by the Georgia State Minimum Standard Gas Code (International Fuel Gas Code), the Gas Code shall be used as the supplement.
(b) The State's minimum requirements for Boilers/Water Heaters and Pressure Vessels over 200,000 BTU (58.56 kW), 210 degrees Fahrenheit or 120-gallon capacity shall be established by O.C.G.A. Title 34, Chapter 11, and the Rules and Regulations of the Georgia Department of Labor.
CHAPTER 1
ADMINISTRATION
* Delete Chapter 1 without substitution. Chapter 1 to remain in Code as a guide for local governments in development of their own Administrative Procedures. (Effective January 1, 2001)
CHAPTER 3
GENERAL REGULATIONS
SECTION 301GENERAL
* Revise Section 301.2 to read as follows:
301.2 Energy utilization. Heating, ventilation and air conditioning systems of all structures shall be designed and installed for efficient utilization of energy in accordance with the Georgia State Energy Code for Buildings. (Effective January 1, 2001)
SECTION 303APPLIANCE LOCATON
* Revise Section 303.4 to read as follows:
303.4 Protection from physical damage. Appliances shall not be installed in a location where subject to physical damage unless protected by approved barriers. (Effective January 1, 2001)
SECTION 305INSTALLATION
* Revise Section 305.2 to read as follows:
305.2 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, automotive service stations and parking garages. Such equipment and appliances shall not be installed in Use Group H occupancies or control areas where open use, handling or dispensing of combustible, flammable or explosive materials occur. 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.
Exceptions:
1. Appliances that are approved and listed for such locations.
2. Appliances installed in an enclosure communicating directly with a garage in which all combustion air is taken from the outdoors and the enclosure is equipped with a solid weather-stripped door and self-closing device. (Effective January 1, 2001)
SECTION 307
CONDENSATE DISPOSAL
* Revise Section 307.2 to add an exception to read as follows:
307.2 Drain pipe materials and sizes.
Exception: If an approved condensate pump is used, the condensate line must be sized according to the manufacturer's instructions. (Effective January 1, 2001)
CHAPTER 4
GAS PIPING INSTALLATIONS
SECTION 404
PIPING SYSTEM INSTALLATION
* Revise Section 404.8 to read as follows:
404.8 Protection against corrosion. Metallic pipe or tubing exposed to corrosive action such as soil condition or moisture shall be protected in an approved manner. Ferrous metal exposed in exterior locations shall be protected from corrosion. When dissimilar metals are joined underground, an insulating coupling or fitting shall be used. Piping shall not be laid in contact with cinders. (Effective January 1, 2001)
SECTION 408
DRIPS AND SLOPED PIPING
* Revise Section 408.4 to read as follows:
408.4 Sediment trap. Where a sediment trap is not incorporated as a part of the gas utilization equipment, a sediment trap shall be installed as close to the inlet of the equipment as practical. The sediment trap shall be either a tee fitting with a minimum 3" (76 mm) long capped nipple in the bottom outlet or other configuration approved as an effective sediment trap. (Effective January 1, 2001)
Exception: Illuminating appliances, ranges, clothes dryers, decorative appliances for installation in vented fireplaces, decorative vented appliances and outdoor grills need not be so equipped unless required by manufacturer's installation instructions. (Effective January 1, 2001)
SECTION 409
SHUTOFF VALVES
* Revise Section 409.1.2 to add an exception to read as follows:
409.1.2 Prohibited locations.
Exception: Equipment shutoff valves required by the code shall be permitted to be installed in accessible above ceiling spaces containing vented gas utilization equipment. (Effective January 1, 2001)
SECTION 412
LIQUEFIED PETROLEUM GAS MOTOR VEHICLE FUEL-DISPENSING STATIONS
* Delete Section 412 in its entirety and substitute the following:
412 Liquefied petroleum gas motor vehicle fuel-dispensing stations. Under Georgia law, the Rules and Regulations of the Georgia Safety Fire Commissioner's Office govern the storage, delivery and dispensing of Liquefied Petroleum Gas. Refer to the Rules and Regulations of the Georgia Safety Fire Commissioner's Office and NFPA 58 for all requirements concerning liquefied petroleum gas motor vehicle fuel-dispensing stations. (Effective January 1, 2001)
SECTION 413
COMPRESSED NATURAL GAS MOTOR VEHICLE FUEL-DISPENSING STATIONS
* Delete Section 413 in its entirety and substitute the following:
413 Compressed natural gas motor vehicle fuel-dispensing stations. Under Georgia law, the Rules and Regulations of the Georgia Safety Fire Commissioner's Office govern the storage, delivery and dispensing of compressed natural gas. Refer to the Rules and Regulations of the Georgia Safety Fire Commissioner's Office and NFPA 52 for all requirements concerning compressed natural gas motor vehicle fuel-dispensing stations. (Effective January 1, 2001)
CHAPTER 6
SPECIFIC APPLIANCES
SECTION 620
UNVENTED ROOM HEATERS
* Revise Section 620.1 so as to read as follows:
620.1 General. Unvented room heaters shall be tested in accordance with ANSI Z 21.11.2 and shall be installed in accordance with the conditions of the listing or the manufacturer's installation instructions. Unvented room heaters utilizing fuels other than gas shall be regulated by the Georgia State Minimum Standard Mechanical Code. (Effective January 1, 2001)
SECTION 622COOKING APPLIANCES
* Delete Section 622.2 Prohibited location without substitution. (Effective January 1, 2001)
* Delete Section 622.3 Domestic appliances without substitution. (Effective January 1, 2001)
End of Standard Gas Code Amendments.
THE GEORGIA STATE MINIMUM STANDARD MECHANICAL CODE (INTERNATIONAL MECHANICAL CODE)
* The Standard Mechanical Code (International Mechanical Code) 2000 Edition is hereby adopted in its entirety as if quoted verbatim herein.
The following amendments to the Standard Mechanical Code (International Mechanical Code) 2000 Edition are hereby adopted.
The STANDARD MECHANICAL CODE (International Mechanical Code), 2000 Edition, as published by the Southern Building Code Congress International, Inc., when used in conjunction with these Georgia Amendments, shall constitute the official Georgia State Minimum Standard Mechanical Code (International Mechanical Code).
Appendices
Appendices are not enforceable unless they are specifically referenced in the body of the code or adopted for enforcement in the ordinance of the authority having jurisdiction.
GEORGIA STATE AMENDMENTS
CODE REFERENCE:
(a) Change all references from the ICC Electrical, International Building, Fuel Gas, Mechanical, Plumbing or Fire Prevention Codes to the Georgia State Minimum Standard Electrical, Building, Gas, Mechanical, Plumbing or Fire Prevention Codes, respectively. The International Codes should be used when referenced issues are not addressed by the Georgia State Minimum Standard Codes.
(b) Change all references from the International Energy Conservation Code to the Georgia State Energy Code for Buildings. The Georgia State Energy Code for Buildings shall be used for efficiency and coefficient of performance rating of mechanical equipment.
* Revise the Standard Mechanical Code (International Mechanical Code), 2000 Edition, as follows:
(a) The State's minimum requirements for Boilers/Water Heaters and Pressure Vessels over 200,000 BTU (58.56 kW), 210 degrees Fahrenheit or 120-gallon capacity shall be establisted by O.C.G.A. Title 34, Chapter 11, and the Rules and Regulations of the Georgia Department of Labor. (Effective January 1, 2001)
CHAPTER 1
ADMINISTRATION
* Delete Chapter 1 without substitution. Chapter 1 to remain in Code as a guide for local governments in development of their own Administrative Procedures. (Effective January 1, 2001)
CHAPTER 2
DEFINITIONS
SECTION 202
GENERAL DEFINITIONS
* Revise Section 202 to add a new definition for ABSORPTION SYSTEM as follows:
ABSORPTION SYSTEM. A refrigerating system in which refrigerant is pressurized by pumping a chemical solution of refrigerant in absorbent, and then separated by the addition of heat in a generator, condensed (to reject heat), expanded, evaporated (to provide refrigeration), and reabsorbed in an absorber to repeat the cycle; the system may be single or multiple effect, the latter using multiple stages or internally cascaded use of heat to improve efficiency. (Effective January 1, 2001)
* Revise Section 202 to add a new definition for PLENUM as follows:
PLENUM. Air compartment or chamber to which one or more ducts are connected and which forms part of an air distribution system. (Effective January 1, 2001)
CHAPTER 3
GENERAL REGULATIONS
SECTION 301GENERAL
* Add Section 301.17 to read as follows:
301.17 Related fire codes. Any reference to NFPA Standards in any chapter of this code shall be the latest edition as adopted and amended by the Georgia State Fire Safety Commissioner. (Effective January 1, 2001)
* Revise Section 301.2 to read as follows:
301.2 Energy Utilization. Change the last sentence of the paragraph to read in accordance with the "Georgia State Energy Code for Buildings". (Effective January 1, 2001)
SECTION 303
EQUIPMENT AND APPLIANCE LOCATION
* Revise Section 303.3 to read as follows:
303.3 Prohibited location. Exception 4. Refer to the Georgia State Minimum Standard Gas Code (International Fuel Gas Code), 2000 Edition, for gas-fired appliances. (Effective January 1, 2001)
* Delete Section 303.5 and substitute the following:
303.5 Indoor locations. Fuel-fired furnaces and boilers installed in closets and alcoves shall be listed for such installation. (Effective January 1, 2001)
SECTION 304 INSTALLATION
* Revise Section 304.8 to read as follows:
304.8 Clearances from grade. Equipment and appliances installed at grade level shall be supported on a level concrete slab or other approved material extending above adjoining grade "a minimum of 2 inches (76 mm)" or shall be suspended a minimum of 6" (152 mm) above adjoining grade. (Effective January 1, 2001)
* Revise Section 304.9 to read as follows:
304.9 Guards. Guards shall be provided where appliances, equipment, fans or other components that require service are located within "6 feet (1829 mm)" of a roof edge or open side of a walking surface and such edge or open side is located more than 30 inches (762 mm) above the floor, roof or grade below. And delete the word "International" in the last sentence. (Effective January 1, 2001)
SECTION 306
ACCESS AND SERVICE SPACE
* Revise Section 306.3 to read as follows:
306.3 Appliances in attics. In the second sentence of the first paragraph delete the following: "and not more than 20 feet . . . to appliances." (Effective January 1, 2001)
* Revise Section 306.6 to read as follows:
306.6 Sloped roofs. Change the number of units in first sentence of the paragraph to read: "4 units vertical (25%)" in lieu of 3 units vertical (33%) in 12 horizontal units or greater. (Effective January 1, 2001)
SECTION 309
TEMPERATURE CONTROL
* Delete Section 309.1 Space-heating systems without substitution and renumber the remaining code sections. (Effective January 1, 2001)
SECTION 312
HEATING AND COOLING LOAD CALCULATIONS
* Revise Section 312.1 to read as follows:
312.1 Load calculations. Revise the last sentence of the section paragraph to read as follows: or an approved equivalent using the design parameters specified in Chapter 3 of the "Georgia State Energy Code for Buildings." (Effective January 1, 2001)
CHAPTER 4
VENTILATION
SECTION 403
MECHANICAL VENTILATION
* Add Section 403.3.5 to read as follows:
403.3.5 Intermittent Occupancy. Intermittent Occupancy shall be allowed in accordance with ASHRAE Standard 62-1999. (Effective January 1, 2001)
CHAPTER 5
EXHAUST SYSTEMS
SECTION 505DOMESTIC KITCHEN EXHAUST EQUIPMENT
* Add Section 505.2 to read as follows:
505.2 Commercial Installations of Domestic Systems. Commercial installations of domestic systems shall comply with the current NFPA standards as adopted and amended by the Georgia State Fire Safety Commissioner. (Effective January 1, 2001)
* Add Section 505.3 to read as follows:
505.3 Exhaust Ducts. Exhaust ducts for domestic range hoods shall be vented to the outside and shall be constructed of Type B label vent or smooth wall duct constructed of minimum 0.0157 inch (0.4 mm) galvanized steel. (Effective January 1, 2001)
SECTION 506
COMMERCIAL KITCHEN GREASE DUCTS AND EXHAUST EQUIPMENT
* Delete Section 506.1 and substitute the following to read:
506.1 General. The State's minimum requirements for exhausting commercial cooking equipment shall be established by the Life Safety Code and NFPA 96. Areas not specifically addressed by the Life Safety Code and NFPA 96 and which are addressed by the State Minimum Standard Mechanical Code (International Mechanical Code), the Mechanical Code shall be used as a supplement. (Effective January 1, 2001)
SECTION 507
COMMERCIAL KITCHEN HOODS
* Delete Section 507.1 and substitute the following to read:
507.1 General. The State's minimum requirements for exhausting commercial cooking equipment shall be established by the Life Safety Code and NFPA 96. Areas not specifically addressed by the Life Safety Code and NFPA 96 and which are addressed by the Georgia State Minimum Standard Mechanical Code (International Mechanical Code), the Mechanical Code shall be used as a supplement. (Effective January 1, 2001)
* Delete Section 507.2.2 Domestic Cooking Appliances Used for Commercial Purposes without substitution and renumber the remaining sections. (Effective January 1, 2001)
SECTION 508
COMMERCIAL KITCHEN MAKEUP AIR
* Revise to add new Section 508.1 to read as follows and renumber the remaining sections:
508.1 General. The State's minimum requirements for commercial kitchen makeup air shall be established by the Life Safety Code and NFPA 96. Areas not specifically addressed by the Life Safety Code and NFPA 96 and which are addressed by the Georgia State Minimum Standard Mechanical Code (International Mechanical Code), the Mechanical Code shall be used as a supplement. (Effective January 1, 2001)
CHAPTER 6
DUCT SYSTEMS
SECTION 602
PLENUMS
* Revise Section 602.1 to read as follows:
602.1 General. Delete the first sentence: "A plenum is an enclosed portion of the building structure that is designed to allow air movement, and thereby serve as part of an air distribution system." (Effective January 1, 2001)
SECTION 603
DUCT CONSTRUCTION AND INSTALLATION
* Revise Section 603.3 to read as follows:
603.3 Metallic ducts.
Exception: Ducts installed within "residential" units shall have a minimum thickness as specified in Table 606.3. (Effective January 1, 2001)
* Revise Table 603.3 title to read as follows:
Table 603.3
DUCT CONSTRUCTION MINIMUM SHEET METAL
THICKNESS FOR "RESIDENTIAL" UNITS
(Effective January 1, 2001)
SECTION 606
SMOKE DETECTION SYSTEMS CONTROL
* Revise Section 606.2.1 to read as follows:
606.2.1 Return Air Systems. Revise the Section title to read "Supply" air in lieu of "Return" air systems. And, revise the first sentence to read as follows: Smoke detectors shall be installed in the "supply" air systems, with a design capacity greater than 2,000 cfm (0.9 m3/s). Also, delete the end of the sentence from "in the return air duct or plenum upstream of any filters, exhaust air connections, outdoor air connections, or decontamination equipment and appliances. (Effective January 1, 2001)
CHAPTER 9
SPECIFIC APPLIANCES, FIREPLACES, AND SOLID FUEL-BURNING EQUIPMENT
SECTION 917
COOKING APPLIANCES
* Delete Section 917.2 Prohibited location without substitution. (Effective January 1, 2001)
* Delete Section 917.3 Domestic appliances without substitution. (Effective January 1, 2001)
CHAPTER 10
BOILERS, WATER HEATERS AND PRESSURE VESSELS
SECTION 1001GENERAL
* Revise Section 1001.1 to read as follows:
1001.1 Scope. Add a new sentence for the Georgia Department of Labor at the end of the first paragraph to read as follows: "The State's minimum requirements for Boilers/Water Heaters and Pressure Vessels, over 200,000 BTU (58.56 kW), 210 degrees Fahrenheit or 120 gallons capacity, shall be established by O.C.G.A., Title 34, Chapter 11 and the rule and regulations of the Georgia Department of Labor." (Effective January 1, 2001)
* Revise Section 1007.1 to read as follows:
1007.1 General. Add a new sentence at the end of the section to read: "In lieu of the low water cut-off control, a flow switch or other mechanism as recommended by manufacturer shall be allowed for water tube boilers." (Effective January 1, 2001)
CHAPTER 11
REFRIGERATION
SECTION 1105MACHINERY ROOM, GENERAL REQUIREMENTS
* Revise Section 1105.3 to read as follows:
1105.3 Refrigerant detector. Refrigerant detectors in machinery rooms shall be provided as required in accordance with "ASHRAE Standard 15". (Effective January 1, 2001)
SECTION 1106MACHINERY ROOM, SPECIAL REQUIREMENTS
* Revise Section 1106.5 to read as follows:
1106.5 Remote Controls. Remote control of the mechanical equipment and appliances located in the machinery room shall be provided as required by "ASHRAE Standard 15". (Effective January 1, 2001)
* Revise Section 1106.6 to read as follows:
1106.6 Emergency signs and labels. Refrigeration units and systems shall be provided with approved emergency signs, charts, and labels in accordance with "ASHRAE Standard 15". (Effective January 1, 2001)
CHAPTER 12
HYDRONIC PIPING
SECTION 1204
PIPE INSULATION
* Revise Section 1204.1 to read as follows:
1204.1 Insulation characteristics. Revise the first sentence of the paragraph to read: Pipe insulation installed in buildings shall conform to the requirements of the "Georgia State Energy Code for Buildings", shall be tested in the composite form in accordance with ASTM E 84 and shall have a maximum flame spread index of 25 and a smoke-developed index not exceeding 450. (Effective January 1, 2001)
* Revise Section 1204.2 to read as follows:
1204.2 Required thickness. Hydronic piping shall be insulated to the thickness required by "the Georgia State Energy Code for Buildings". (Effective January 1, 2001)
SECTION 1206PIPING INSTALLATION
* Revise Section 1206.8 to read as follows:
1206.8 Steam piping pitch. Add a new sentence at end of the paragraph to read: "Branch piping for steam mains shall be taken off at the top of the pipe." (Effective January 1, 2001)
CHAPTER 13
FUEL OIL PIPING AND STORAGE
SECTION 1301
GENERAL
* Revise Section 1301.1 to read as follows:
1301.1 Scope. Add a new sentence at the end of the first paragraph to read: "The State minimum standard code requirements for Fuel Oil Piping Storage shall be as established by the Georgia State Minimum Standard Fire Codes and the rules and regulations of the Georgia State Fire Safety Commissioner. Any areas not addressed by the Georgia State Minimum Standard Fire Codes shall be regulated by this Chapter." (Effective January 1, 2001)
CHAPTER 14
SOLAR SYSTEMS
SECTION 1402
NSTALLATION
* Add Section 1402.7 to read as follows:
1402.7 Protection of drains. Drains serving heat transfer fluids over 140° F (60°C) or which are toxic or corrosive shall be protected in accordance with the requirements of the State Minimum Standard Plumbing Code (International Plumbing Code). (Effective January 1, 2001)
* Add Section 1402.8 to read as follows:
1402.8 Warning label. Drains in solar systems where high temperature, high pressure, or hazardous fluids are discharged shall have a warning label. For hazardous fluids, the label shall describe the hazardous properties of the fluid and emergency first aid procedures. Valves regulating such a discharge shall not be readily accessible to unauthorized personnel. (Effective January 1, 2001)
CHAPTER 15REFERENCE STANDARDS
* Revise Chapter 15 to add a new Reference Standard for "ASHRAE 62-1999". (Effective January 1, 2001)
End of Standard Mechanical Code Amendments.
THE GEORGIA STATE MINIMUM STANDARD PLUMBING CODE, 2000 EDITION (INTERNATIONAL PLUMBING CODE)
* The Standard Plumbing Code (International Plumbing Code) 2000 Edition is hereby adopted in its entirety as if quoted verbatim herein.
The following Georgia Amendments to the Standard Plumbing Code (International Plumbing Code) are hereby adopted:
The STANDARD PLUMBING CODE (International Plumbing Code), 2000 Edition, as published by the Southern Building Code Congress International, Inc., when used in conjunction with these Georgia Amendments, shall constitute the official Georgia State Minimum Standard Plumbing Code (International Plumbing Code).
Appendices
Appendices are not enforceable unless they are specifically referenced in the body of the code or adopted for enforcement in the ordinance of the authority having jurisdiction.
GEORGIA STATE AMENDMENTS
CODE REFERENCE:
(a) Change all references from the ICC Electrical, International Building, Fuel Gas, Mechanical, Plumbing or Fire Prevention Codes to the Georgia State Minimum Standard Electrical, Building, Gas, Mechanical, Plumbing or Fire Protection Codes, respectively. The International Codes should be used when referenced issues are not addressed by the Georgia State Minimum Standard Codes.
(b) Change all references from the International Energy Conservation Code to the Georgia State Energy Code for Buildings. The Georgia State Energy Code for Buildings shall be used for efficiency and coefficient of ratings of plumbing equipment.
* Revise the Standard Plumbing Code (International Plumbing Code), 2000 Edition, as follows:
REQUIREMENTS FOR BOILER/WATER HEATERS AND PRESSURE VESSELS
(a) The State's Minimum requirements for Boiler/Water Heaters and Pressure Vessels, over 200,000 BTU (58.56 kW), 210 degrees Fahrenheit, or 120 gallons capacity, shall be established by O.C.G.A. Title 34, Chapter 11, and the Rules and Regulations of the Georgia Department of Labor. (Effective January 1, 2001)
CHAPTER 1
ADMINISTRATION
* Delete Chapter 1 without substitution. Chapter 1 to remain in Code as a guide for local governments in development of their own Administrative Procedures. (Effective January 1, 2001)
CHAPTER 2
DEFINITIONS
SECTION 202
GENERAL DEFINITIONS
* Revise Section 202 definition of "BRANCH VENT" to read as follows:
BRANCH VENT. A vent connecting one or more individual vents with a vent stack, stack vent or terminating in the open air. (Effective January 1, 2001)
CHAPTER 3
GENERAL REGULATIONS
SECTION 301
GENERAL
* Add Section 301.7 to read as follows:
Section 301.7 System maintenance. Plumbing systems, including fixtures, shall be maintained in sanitary condition and proper working order. (Effective January 1, 2001).
SECTION 303
MATERIALS
* Add Section 303.2.1 to read as follows:
Section 303.2.1 Material and equipment reuse. Materials, equipment, and devices shall not be reused unless such elements have been reconditioned, tested, placed in good and proper working condition, and approved. (Effective January 1, 2001)
SECTION 306
TRENCHING, EXCAVATION AND BACKFILL
* Add Section 306.5 to read as follows:
Section 306.5 Open trenches. All excavations required to be made for the installation of a building sewer, building drainage system, or any part thereof within the walls of a building shall be open trench work and shall be kept open until the piping has been inspected, tested and approved. (Effective January 1, 2001)
SECTION 308
PIPING SUPPORT
* Delete Section 308.6 Sway bracing without substitution. (Effective January 1, 2001)
* Delete Section 308.7 Anchorage without substitution. (Effective January 1, 2001)
SECTION 311
TOILET FACILITIES FOR WORKERS
* Delete Section 311 without substitution. (Effective January 1, 2001)
SECTION 312
TESTS AND INSPECTIONS
* Revise Section 312.5 to read as follows:
312.5 Water supply system test. Upon completion of a section of or the entire water supply system, the system, or portion completed, shall be tested and proved tight under a water pressure test not less than the working pressure of the system, but not to exceed manufacturer's specified test pressures for materials used. The water utilized for tests shall be from a potable source of supply. The required tests shall be performed in accordance with this section.
EXCEPTION: An air test of not less than 50 psi (344 kPa) may be used provided the test medium is from a non-contaminated source. (Effective January 1, 2001)
SECTION 314
CONDENSATE DISPOSAL
* Delete Section 314 without substitution. (Effective January 1, 2001)
CHAPTER 4
FIXTURES, FAUCETS AND FIXTURE FITTINGS
SECTION 403MINIMUM PLUMBING FACILITIES
TABLE 403.1MINIMUM NUMBER OF PLUMBING FACILITIES
* Revise Table 403.1 to delete the requirements for "service sink" without substitution. (Effective January 1, 2001)
SECTION 410
DRINKING FOUNTAINS
* Revise Section 410.1 to read as follows:
Section 410.1 Approval. Drinking fountains shall conform to ASME A112.19.1, A112.19.2, or A112.19.9, and water coolers shall conform to ARI 1010. (Effective January 1, 2001)
CHAPTER 5
WATER HEATERS
SECTION 501GENERAL
* Add Section 501.9 to read as follows:
Section 501.9 Water heaters over 200,000 BTU. The State's Minimum requirements for Boiler/Water Heaters and Pressure Vessels, over 200,000 BTU (58.56 kW), 210 degrees Fahrenheit, or 120 gallons capacity, shall be established by O.C.G.A. Title 34, Chapter 11, and the Rules and Regulations of the Georgia Department of Labor. (Effective January 1,2001)
* Add Section 506 to read as follows:
SECTION 506
MINIMUM CAPACITIES FOR RESIDENTIAL WATER HEATERS
506.1 General. Water Heaters installed in residential occupancies shall be sized in accordance with Table 506. Other methods used to heat water shall be sized to meet the total draw and recovery rates as listed in Table 506. (Effective January 1, 2001)
* Add Table 506 to read as follows:
CHAPTER 6
WATER SUPPLY AND DISTRIBUTION
SECTION 603
WATER SERVICE
* Revise Section 603.2 to read as follows:
603.2 Separation of water service and building sewer. Water service pipe and the building sewer shall be separated by 5 feet (1524 mm) of undisturbed or compacted earth.
EXCEPTION: The required separation distance shall not apply when the bottom of the water service pipe within 5 feet (1524 mm) of the building sewer is a minimum of 12 inches (305 mm) above the top of the building sewer and the pipe materials conform to Section 702.2 or 702.3. (Effective January 1, 2001)
SECTION 605MATERIALS, JOINTS AND CONNECTIONS
* Revise Section 605.14.3 to read as follows:
605.14.3 Soldered joints. Solder joints shall be made in accordance with the methods of ASTM B 828. All cut tube ends shall be reamed to the full inside diameter of the tube end. All joint surfaces shall be cleaned. A flux conforming to NSF 61 shall be applied. The joint shall be soldered with a solder conforming to ASTM B 32. The joining of water supply piping shall be made with lead-free solders and fluxes. "Lead-free" shall mean a chemical composition equal to or less than 0.2 percent lead. (Effective January 1, 2001)
* Revise Section 605.15.4 to read as follows:
605.15.4 Soldered joints. Solder joints shall be made in accordance with the methods of ASTM B 828. All cut tube ends shall be reamed to the full inside diameter of the tube end. All joint surfaces shall be cleaned. A flux conforming to NSF 61 shall be applied. The joint shall be soldered with a solder conforming to ASTM B 32. The joining of water supply piping shall be made with lead-free solders and fluxes. "Lead-free" shall mean a chemical composition equal to or less than 0.2 percent lead. (Effective January 1, 2001)
SECTION 606
INSTALLATION OF THE BUILDING WATER
DISTRIBUTION SYSTEM
* Revise Section 606.2 to read as follows:
606.2 Location of shut-off valves. Each individual fixture shall have an accessible shutoff valve at each outlet which will permit each fixture to be shut off without interfering with the water supply to any other fixtures. Shutoff valves for each fixture supplied by a manifold distribution system may be located at the manifold or at the outlet of the fixture being supplied. The hose bibb or hose connection shutoff valve shall be the only shutoff valve required on washing machine connectors.
606.2.1 Shutoff valves to water supply for refrigerators with automatic icemakers shall be accessible on the same floor.
606.2.2 All shutoff valves for individual fixtures shall be on the same floor within 30". (780 mm) of the fixture served except for parallel water distribution system manifolds. (Effective January 1, 2001)
* Delete Section 606.4 Valve identification without substitution and renumber the remaining sections. (Effective January 1, 2001)
SECTION 607
HOT WATER SUPPLY SYSTEM
* Revise Section 607.3.2 to read as follows:
607.3.2 Backflow prevention device or check valve. Where a backflow prevention device, check valve or other device is installed on a water supply system utilizing storage water heating equipment such that thermal expansion causes an increase in pressure, a device for controlling pressure shall be installed. The device shall limit thermal expansion of the water being heated to not more than 80 pounds per square inch (522 kPa) static pressure at any fixture on the system. A potable water expansion tank, or auxiliary relief valve or other approved device that limits pressure to 80 psi or less shall be acceptable. It shall be installed in accordance with manufacturer's instructions. (Effective January 1, 2001)
SECTION 610
DISINFECTION OF POTABLE WATER SYSTEM
* Revise Section 610.1 to read as follows:
610.1 General. New or repaired potable water systems shall be flushed and purged of deleterious matter. The authority having jurisdiction may require disinfection in accordance with a prescribed method. In the absence of a prescribed method, the procedure described in either AWWA C651 or AWWA C652, or as described in this section shall apply. (Remainder of section left unchanged) (Effective January 1, 2001)
CHAPTER 7
SANITARY DRAINAGE
SECTION 701
GENERAL
* Revise Section 701.2 to read as follows:
701.2 Sewer required. Every building in which plumbing fixtures are installed and every premises having drainage piping shall be connected to a public sewer, where available, or an approved private sewage disposal system. (Effective January 1, 2001)
SECTION 703
BUILDING SEWER
* Revise Section 703.2 to read as follows:
703.2 Drainage pipe in filled ground. Where a building sewer or building drain is installed on unstable fill or unstable ground, the drainage pipe shall conform to one of the standards for ABS plastic pipe, cast-iron pipe, copper or copper-alloy tubing, or PVC plastic listed in Table 702.3. (Effective January 1, 2001)
SECTION 705
JOINTS
* Revise Section 705.9.3 to read as follows:
705.9.3 Soldered joints. Solder joints shall be made in accordance with the methods of ASTM B 828. All cut tube ends shall be reamed to the full inside diameter of the tube end. All joint surfaces shall be cleaned. A flux conforming to NSF 61 shall be applied. The joint shall be soldered with a solder conforming to ASTM B 32. (Effective January 1, 2001)
* Revise Section 705.10.3 to read as follows:
705.10.3 Soldered joints. Solder joints shall be made in accordance with the methods of ASTM B 828. All cut tube ends shall be reamed to the full inside diameter of the tube end. All joint surfaces shall be cleaned. A flux conforming to NSF 61 shall be applied. The joint shall be soldered with a solder conforming to ASTM B 32. (Effective January 1, 2001)
SECTION 706
CONNECTIONS BETWEEN DRAINAGE PIPING AND FITTINGS
* Revise Section 706.3 to read as follows:
706.3 Installation of fittings. Fittings shall be installed to guide sewage and waste in the direction of the flow. Change in the direction shall be made by fittings installed in accordance with Table 706.3. Change in direction by combination fittings, side inlets or increasers shall be installed in accordance with Table 706.3 based on the pattern of the flow created by the fitting. Double sanitary tee patterns shall not receive the discharge of back-to-back fixtures or appliances with pressure or pumping action discharge. Water closets shall not be combined with fixtures other than water closets on a double drainage fitting. (Effective January 1, 2001)
SECTION 708
CLEANOUTS
* Revise Section 708.3.1 to read as follows:
708.3.1 Horizontal drains within buildings. Each horizontal drainage pipe shall be provided with a cleanout at the upstream end of the pipe, and shall be provided with cleanouts located not more than 100 feet (30480 mm) apart.
EXCEPTIONS: The following plumbing arrangements are acceptable in lieu of the upstream cleanout:
1. "P" traps connected to the drainage piping with slip joints or ground joint connections.
2. "P" traps into which floor drains, shower drains, or tub drains with removable strainers discharge.
3. "P" traps into which the straight through type waste and overflow discharge with the overflow connecting to the top of the tee.
4. "P" traps into which residential washing machines discharge.
5. Test tees or cleanouts in a vertical pipe above the flood-level rim of the fixtures that the horizontal pipe serves and not more than 4 feet above the finish floor.
6. Cleanout near the junction of the building drain and the building sewer which may be rodded both ways.
7. Water closets for the water closet fixture branch only. (Effective January 1, 2001)
* Delete Section 708.3.4 Base of stack without substitution and do not renumber the remaining sections. (Effective January 1, 2001)
* Revise Section 708.7 to read as follows:
708.7 Minimum size. Cleanouts shall be the same nominal size as the pipe they are connected to up to 4 inches (102 mm). For pipes larger than 4 inches (102 mm) nominal size, the minimum size of the cleanout shall be 4 inches (102 mm). (Effective January 1, 2001)
SECTION 712
SUMPS AND EJECTORS
* Revise Section 712.2 Full open valve required to delete the Exception without substitution. (Effective January 1, 2001)
CHAPTER 9
VENTS
SECTION 904
VENT TERMINALS
* Revise Section 904.1 to read as follows:
904.1 Roof extensions. All open vent pipes that extend through a roof shall terminate at least 6 inches (156 mm) above the roof, except that where a roof is to be used for any purpose other than weather protection, the vent extensions shall be run at least 7 feet (2134 mm) above the roof. (Effective January 1, 2001)
SECTION 909
WET VENTING
* Add Section 909.4 to read as follows:
909.4 appendix reference. Additional provisions for WET VENTING are contained in Appendix I - Section 909 WET VENTING. These provisions are applicable only when specifically adopted by the local jurisdiction. (Effective January 1, 2001)
SECTION 906
FIXTURE VENTS
* Revise Table 906.1 to read as follows: (Effective January 1, 2001)
SECTION 910
WASTE STACK VENT
* Revise Section 910.2 to read as follows:
910.2 Stack installation. The waste stack shall be vertical. Every fixture drain shall connect separately to the waste stack. The stack shall not receive the discharge of water closets or urinals. (Effective January 1, 2001)
SECTION 911
CIRCUIT VENTING
* Revise Section 911.2 to read as follows:
911.2 Vent connection. The circuit vent connection shall be located between the two most upstream fixture drains. The vent shall connect to the horizontal branch and shall be installed in accordance with Section 905. The circuit vent may receive waste discharge from fixtures located within the same branch interval, provided that the wet portion remains the same size as the horizontal branch. (Effective January 1, 2001)
SECTION 912
COMBINATION DRAIN AND VENT SYSTEM
* Revise Section 912.2.2 to read as follows:
912.2.2 Connection. The combination drain and vent system shall be provided with a dry vent connected to any point within the system or the system shall connect to a horizontal drain that is vented in accordance with one of the venting methods specified in the chapter. Combination drain and vent systems connecting to building drains or waste stacks, shall be provided with a dry vent. The vent connection to the combination drain and vent pipe shall extend vertically a minimum of 6 inches (152mm) above the flood level rim of highest fixture being vented before offsetting horizontally. (Effective January 1, 2001)
* Add Section 912.4 to read as follows:
912.4 Appendix reference. Additional provisions for SAFE WASTE SYSTEM are contained in Appendix H - Section 912 COMBINATION DRAIN AND VENT SYSTEMS. (Effective January 1, 2001)
CHAPTER 10
TRAPS, INTERCEPTORS AND SEPARATORS
SECTION 1002
TRAP REQUIREMENTS
* Revise Section 1002.4 to read as follows:
1002.4 Trap seals. Each fixture trap shall have a liquid seal of not less than 2 inches (51 mm) and not more than 4 inches (102 mm), or deeper for special designs relating to accessible fixtures. Where a trap seal is subject to loss by evaporation, a deep-seal trap consisting of a 4-inch (102 mm) seal or a trap seal primer valve shall be installed. Trap seal primer valves shall be installed on all traps serving floor drains located in public toilet rooms. A trap seal primer valve shall conform to ASSE 1018 or ASSE 1044. (Effective January 1, 2001)
* Delete Section 1002.8 Recess for trap connections without substitution and renumber remaining sections accordingly. (Effective January 1, 2001)
SECTION 1003
INTERCEPTORS AND SEPARATORS
* Delete Section 1003 and substitute the following:
1003.1 Where required. Interceptors or separators shall be provided where, in the opinion of the authority having jurisdiction, they are necessary for the proper handling of wastes containing ingredients harmful to the building drainage system, the public sewer, or sewage treatment plant or processes.
1003.2 Size and type. The size, type and location of each interceptor or separator shall be approved by the authority having jurisdiction.
1003.3 Type of waste. No wastes other than those requiring treatment or separation shall be discharged into any interceptor except as approved by the authority having jurisdiction.
1003.4 Grease interceptors. A grease interceptor shall be installed in the waste line leading from sinks, drains or other fixtures in the following establishments when, in the opinion of the authority having jurisdiction, a hazard exists: restaurants, hotel kitchens or bars, factory cafeterias or restaurants, clubs, or other uses where grease can be introduced into the drainage system in quantities that can affect line stoppage or hinder sewage disposal.
1003.5 Oil separators. An oil separator shall be installed in the drainage system section of the system where, in the opinion of the authority having jurisdiction, a hazard exists or where oils or other flammables can be introduced or admitted into the drainage system by accident or otherwise.
1003.6 Sand interceptors. Sand and similar interceptors for heavy solids shall have a water seal of not less than 2 inches (51 mm).
1003.7 Venting interceptors. Interceptors shall be so designed that they will not become air bound if closed covers are used. Each interceptor shall be properly vented.
1003.8 Accessibility of interceptors. Each interceptor shall be so installed as to provide ready accessibility to the cover and means for servicing and maintaining the interceptor in working and operating condition. The use of ladders or the removal of bulky equipment in order to service interceptors shall constitute a violation of accessibility.
1003.9 Water connection. Water connection for cooling or operating an interceptor shall be such that backflow cannot occur. (Effective January 1, 2001)
* Add Appendix H to read as follows:
APPENDIX H
SECTION 912
COMBINATION DRAIN AND VENT SYSTEM
912.4 SAFE WASTE SYSTEM.
912.4.1 Definitions.
SAFE WASTE SYSTEM - A horizontal waste system composed of a main waste line, branch waste lines, auxiliary vents and a master trap with a fresh air vent. (See Figure 1 and 1A) (Effective January 1, 2001)
912.4.2 Where required. As an alternative to other waste systems required by this code, the waste in establishments listed in 912.4.3 may be collected in a safe waste system. Plans and specifications for each safe waste system shall be submitted to the Plumbing Official and approval shall be obtained before installation is started.
912.4.3 Location. All establishments where food is manufactured, or processed, having floor drains, hub drains, such as restaurants, cafes, snack bars, grocery stores, meat, poultry and fish markets, drugstores, bakeries, dairies, taverns and cocktail lounges, shall collect such floor drains, hub drains, or open site drains into a safe waste system. Other fixtures not specifically prohibited by 912.4.4 may also be collected on the safe waste system.
912.4.4 Limits of use. Each safe waste system shall be limited to one floor. Water closets, urinals, bathtubs, showers, food grinders, disposal units or exterior drain units (such as condensing units drains) will not be permitted on a safe waste system.
912.4.5 Safe waste system. The main waste line for the safe waste system is connected to the sanitary waste system through the master trap. Fixtures should be connected directly or indirectly as described in Chapter 7.
912.4.6 Master trap. The master trap shall not be less than 3 inches in size and shall be located inside the building unless otherwise approved. Provide two cleanouts at the master trap, one on the house side and one in waste line downstream of the master trap weir. The top of the cleanouts shall be flush with the finish floor.
912.4.7 Master trap venting. The master trap shall be vented with two vents. A fresh air vent no less than the trap size shall extend from the house side of the trap to the outside of the building, by either (a) extending through the roof independent of any sanitary vent; (b) extending through the outside wall, 12 inches above the flood rim of any connected fixture and terminating with a perforated or bar grate cover or (c) connecting to a fresh air auxiliary vent. A 2-inch sanitary vent shall extend from the sewer side of the master trap through the roof or connect with a dry sanitary vent, in accordance with Chapter 9.
912.4.8 Auxiliary vent. The auxiliary vent shall be the same size as the master trap and extend from the main waste line through the roof independent of any sanitary vent or may terminate through an outside wall using an acceptable bar grate. When safe waste systems are located on two or more floors of a building, the fresh air and auxiliary vents may be connected together and extend to the outside of the building independent of any sanitary vent.
912.4.9 Waste lines and connections. See Chapter 7 for size and capacity. The main waste line shall be the same size as the master trap. The branch waste lines shall not exceed a maximum length of 48 pipe diameters, also refer to Table 710.1 for the maximum number of fixture units. Nowhere shall the slope of the safe waste system exceed a 1/4-inch per foot. Branch waste lines exceeding 48 pipe diameters in length will require a 2-inch vent to extend through the roof, or be connected into the auxiliary vent. Trap primers are not required for traps on the house side of the master trap.
912.4.10 Walk-in coolers. Walk-in coolers requiring a floor drain inside the cooler shall have an untrapped floor drain type casting with a bar grate strainer, and a ball check back water valve. The waste line from the drain located inside the cooler shall extend to a floor drain located outside the cooler. The outside floor drain shall have a bar grate strainer, flashing ring, when required, with an auxiliary inlet for the waste line from the inside drains connected above the trap.
912.4.11 Poultry, Meat or Fish Markets, or Processing Plants.
912.4.11.1 Establishments which clean, process or market poultry, meat, or fish shall have their waste collected in a safe waste system. An interceptor trap shall be installed for these establishments in lieu of a master trap. Cleanouts and venting shall be as for a master trap.
912.4.11.2 Interceptor traps are described in Chapter 10. Drains from racks and tables must spill onto the floor and the floor shall be graded to the floor drains to catch all refuse from the killing or the cleaning operations. Floor drains shall have removable grate tops. An adequate water supply shall be provided for cleaning floors. All water supply inlets shall be protected with backflow preventers as described in 608. Interceptors shall be a maximum of 24 x 24 inches. (Effective January 1, 2001)
* Add Appendix I to read as follows:
APPENDIX I
909 WET VENTING
* Delete Sections 909.1 through 909.3 and substitute the following:
909.1 General. Water closets, urinals, shower stalls, bath tubs, floor drains and other such floor outlet fixtures may be vented by wet vents provided trap size of fixture entering the wet vent shall be at least one pipe size smaller than the vent. No additional water closets, pedestal urinals, or fixture units greater than the primary fixture will be connected to the vent. Automatic clothes washers shall not discharge into a wet vent system.
909.2 Two-inch wet vent.
909.2.1 One primary fixture connection to a 2-inch waste pipe may be vented by a 2-inch having connected thereto a fixture or fixtures having a total of not more than four fixture units with a total connected load of six fixture units.
909.2.2 One primary fixture connected to a 3-inch soil/waste pipe may be vented by a 2-inch wet vent having connected thereto a fixture or fixtures having a total of not more than four fixture units with a total connected load of eight fixture units.
909.2.3 A sink shall not be installed on a 2-inch wet vent that vents a water closet.
909.3 Two and one-half inch wet vent. One primary fixture connection to a 3-inch soil/waste pipe may be vented by a 2-1/2 inch vent having connected thereto a fixture or fixtures having a total of not more than six fixture units, with a total connected load of 12 fixture units.
909.4 Three-inch wet vent. Two primary fixtures maybe connected to a 3-inch wet vent having connected thereto fixtures having a total of not more than 12 fixture units; having trap sizes not larger than 2 inches; with a total connected load of 24 fixture units.
909.5 Four-inch wet vent. Two primary fixtures connected to a 4-inch double wye or sanitary cross may be vented by a 4-inch wet vent having a total of not more than 20 fixture units; having traps not larger than 3-inch with a total connected load of 32 fixture units.
909.6 Limits. The total drainage fixture units, vertical and horizontal travel distance of wet vents shall be as required in Table 909.6. Travel shall be the distance from the primary waste connection of the wet vent to the furthermost waste connection into the wet vent. (Effective January 1, 2001)
* Add Appendix J to read as follows:
APPENDIX J
GENERAL AMENDMENTS
*** Local Jurisdictions are permitted to adopt specific sections from this Appendix without adopting the entire Appendix. ***
CHAPTER 7
SANITARY DRAINAGE
SECTION 703
BUILDING SEWER
703.6 Minimum size building sewer. No building sewer can be less than 4 inches (104 mm) in size with the exception of a branch, not less than 2 inches (51 mm) in size, serving a detached garage, accessory building or forced lines. (Effective January 1, 2001)
CHAPTER 9
VENTS
SECTION 903
VENT STACKS AND STACK VENTS
903.1 Stack required. Every building in which plumbing is installed shall have at least one stack a minimum of 3 inches (75 mm) diameter except accessory buildings, which shall have at least one stack a minimum of 11/2 inch (37.5 mm) diameter. Such stack shall run undiminished in size and as directly as possible from the building drain through to the open air or to vent header that extends to the open air. (Effective January 1, 2001)
End of Plumbing Code Amendments.
THE GEORGIA STATE MINIMUM
ONE AND TWO FAMILY DWELLING CODE
The CABO ONE AND TWO FAMILY DWELLING CODE, 1995 Edition, published by the Southern Building Code Congress International, Inc., when used in conjunction with these Georgia Amendments, shall constitute the official Georgia State Minimum Standard One and Two Family Dwelling Code.
The following Amendments to the One and Two Family Dwelling Code, 1995 Edition, are adopted herein.
THESE AMENDMENTS ARE TO BE USED IN ADDITION TO THOSE AMENDMENTS REVISED JANUARY 1, 2000. WHEN USED TOGETHER, THEY REPRESENT A COMPILATION OF ALL THE AMENDMENTS ADOPTED SINCE THE ENACTMENT OF THE 1995 CABO ONE AND TWO FAMILY DWELLING CODE AND THEREFORE SUPERSEDE ALL PREVIOUSLY PUBLISHED AMENDMENT PACKAGES.
Plumbing (Chapters 29 through 38) is deleted from the CABO One and Two Family Dwelling Code in accordance with Title 8, Chapter 3, Article 1, Part 2 of the Official Code of Georgia Annotated. Also delete Section 307 and Figure 307.2.
Electrical (Chapters 39 through 46) is deleted and substitute for Electrical requirements the Georgia State Minimum Standard Electrical Code (National Electrical Code 1999 Edition).
Appendices
Appendices are not enforceable unless they are specifically referenced in the body of the code or adopted for enforcement in the ordinance of the authority having jurisdiction.
GEORGIA STATE AMENDMENTS
CODE REFERENCE:
(a) Refer to the Georgia State Energy Code for Buildings for efficiency and coefficient of performance ratings for heating and air conditioning equipment.
* Revise the CABO One and Two Family Dwelling Code, 1995 Edition, as follows:
CHAPTER 4
FOUNDATIONS
SECTION 404
FOUNDATIONS WALLS
* Add Section 404.4 and Tables 404.4a through 404.4e to read as follows:
404.4 Insulating concrete form foundation walls. Insulating concrete form (ICF) foundation walls shall be designed and constructed in accordance with the provisions of this section or in accordance with the provisions of ACI 318. When ACI 318 or the provisions of this section are used to design insulating concrete form foundation walls, project drawings, typical details and specifications are not required to bear the seal of the architect or engineer responsible for design.
404.4.1 Applicability limits. The provisions of this section shall apply to the construction of insulating concrete form foundation walls for buildings not greater than 60 feet (18.3 m) in plan dimensions, and floors not greater than 32 feet (9.7 m) or roofs not greater than 40 feet (12 m) in clear span. Buildings shall not exceed two stories in height above-grade with each story not greater than 10 feet (3.0 m) high. Foundation walls constructed in accordance with the provisions of this section shall be limited to buildings subjected to a maximum ground snow load of 70 psf (3.35 kN/m2) and located in Seismic Zones, 0, 1, or 2.
404.4.2 Flat insulating concrete form wall systems. Flat ICF wall systems shall comply with Figure 612.3, shall have a minimum concrete thickness of 5.5 inches (140 mm), and shall have reinforcement in accordance with Tables 404.4a, 404.4b, or 404.4c.
404.4.3 Waffle grid insulating concrete form wall systems. Waffle-grid wall systems shall have a minimum nominal concrete thickness of 6 inches (152 mm) for the horizontal and vertical concrete members (cores) and shall have reinforcement in accordance with Table 404.4d. The minimum core dimension shall comply with Table 612.4b and Figure 612.4
404.4.4 Screen grid insulating concrete form wall systems. Screen-grid ICF wall systems shall have a minimum nominal concrete thickness of 6 inches for the horizontal and vertical concrete members (cores). The minimum core dimensions shall comply with Table 612.4b and Figure 612.5. Walls shall have reinforcement in accordance with Table 404.4e.
404.4.5 Concrete material. Ready-mix concrete for insulating concrete form walls shall be in accordance with Section 402.2. Maximum slump shall not be greater than 6 inches (152 mm) as determined in accordance with ASTM C 143. Maximum aggregate size shall not be larger than 3/4 inch (19 mm).
Exception: Concrete mixes conforming to the ICF manufacturer's recommendations.
404.4.6 Reinforcing steel. 404.4.6.1 Reinforcing steel shall meet the requirements of ASTM A 615, A 616, A 617, or A 706. The minimum yield strength of reinforcing steel shall be 40,000 psi (Grade 40) (276 Mpa). Vertical and horizontal wall reinforcements shall be placed no closer to the outside face of the wall than one-half the wall thickness. Steel reinforcement for foundation walls shall have concrete cover in accordance with ACI 318.
Exception: Where insulated concrete forms are used and the form remains in place as cover for concrete, the minimum concrete cover for the reinforcing steel is permitted to be reduced to 3/4 inches (19 mm).
404.4.6.2 When vertical reinforcement is required, ICF foundation walls shall have horizontal reinforcement in accordance with this section. ICF Foundation walls up to 8 feet (24 m) in height shall have a minimum of one continuous #4 horizontal reinforcing bar placed at 48 inches (1.2 m) on center with one bar located within 12 inches (305 mm) of the top of the wall story. ICF Foundation walls greater than 8 feet (24 m) in height shall have a minimum of one continuous #4 horizontal reinforcing bar placed at 36 inches (914 mm) on center with one bar located within 12 inches (305 mm) of the top of the wall story.
404.4.6.3 Vertical wall reinforcement required by 404.4.2, 404.4.3 or 404.4.4 that is interrupted by wall openings shall have additional vertical reinforcement of the same size placed within 12 inches (305 mm) of each side of the opening.
404.4.7 Foam plastic insulation.
404.4.7.1 Material. Insulating concrete form material shall meet the surface burning characteristics of Section 317.1.1. A thermal barrier shall be provided in accordance with Section 317.1.2.
404.4.7.2 Termite Hazards. In areas where hazard of termite damage is very heavy in accordance with Figure 301.2f, foam plastic insulation shall be permitted below grade on foundation walls in accordance with Section 323.1.1.
404.4.8 Foundation wall thickness based on walls supported. The thickness of ICF foundation walls shall not be less than the thickness of the wall supported above.
404.4.9 Height above finished ground. ICF foundation walls shall extend above the finished ground adjacent to the foundation at all points a minimum of 4 inches (102 mm) where masonry veneer is used and a minimum of 6 inches (152 mm) elsewhere.
404.4.10 Placement of backfill. Backfill shall be placed in accordance with 404.1.3.1.
404.4.11 Drainage and dampproofing/waterproofing. ICF foundation basements shall be drained and dampproofed/waterproofed in accordance with Section 405 and Section 406. (Effective January 1, 2001)
or SI: 1 inch = 25.4 mm, 1 psf = 0.0479 kN/m2, 1 foot = 0.3 m.
1 Deflection criteria: L/240.
2 Interpolation between rebar sizes and spacing is not permitted.
3 Unbalanced backfill height is the difference in height of the exterior and interior finished ground. Where an interior concrete slab is provided, the unbalanced backfill height shall be measured from the exterior finished ground level to the top of the interior concrete slab.
4 Soil classes are in accordance with the Unified Soil Classification System. Refer to Table 405.1.
For SI: 1 inch = 25.4 mm, 1 psf = 0.0479 kN/m2, 1 foot = 0.3 m.
1 N/R indicates no vertical reinforcement is required.
2 Deflection criteria: L/240.
3 Interpolation between rebar sizes and spacing is not permitted.
4 Unbalanced backfill height is the difference in height of the exterior and interior finished ground. Where an interior concrete slab is provided, the unbalanced backfill height shall be measured from the exterior finished ground level to the top of the interior concrete slab.
5 Soil classes are in accordance with the Unified Soil Classification System. Refer to Table 405.1.
For SI: 1 inch = 25.4 mm, 1 psf = 0.0479 kN/m2, 1 foot = 0.3 m.
1 N/R indicates no vertical reinforcement is required.
2 Deflection criteria: L/240.
3 Interpolation between rebar sizes and spacing is not permitted.
4 Unbalanced backfill height is the difference in height of the exterior and interior finished ground. Where an interior concrete slab is provided, the unbalanced backfill height shall be measured from the exterior finished ground level to the top of the interior concrete slab.
5 Soil classes are in accordance with the Unified Soil Classification System. Refer to Table 405.1.
For SI: 1 inch = 25.4 mm, 1 psf = 0.0479 kN/m2, 1 foot = 0.3 m.
1 N/R indicates no vertical reinforcement is required.
2 Deflection criteria: L/240.
3 Interpolation between rebar sizes and spacing is not permitted.
4 Refer to Table 612.4b for wall dimensions.
5 Unbalanced backfill height is the difference in height of the exterior and interior finished ground. Where an interior concrete slab is provided, the unbalanced backfill height shall be measured from the exterior finished ground level to the top of the interior concrete slab.
6 Soil classes are in accordance with the Unified Soil Classification System. Refer to Table 405.1.
For SI: 1 inch = 25.4 mm, 1 psf = 0.0479 kN/m2, 1 foot = 0.3 m.
1 N/R indicates no vertical reinforcement is required.
2 Deflection criteria: L/240.
3 Interpolation between rebar sizes and spacing is not permitted.
4 Refer to Table 612.4b for wall dimensions.
5 Unbalanced backfill height is the difference in height of the exterior and interior finished ground. Where an interior concrete slab is provided, the unbalanced backfill height shall be measured from the exterior finished ground level to the top of the interior concrete slab.
6 Soil classes are in accordance with the Unified Soil Classification System. Refer to Table 405.1.
* Add new Section 612 to read as follows:
SECTION 612
INSULATING CONCRETE FORM WALL CONSTRUCTION
612.1 General. Insulating concrete form (ICF) walls shall be designed and constructed in accordance with the provisions of this section or in accordance with the provisions of ACI 318. When ACI 318, or the provisions of this section are used to design insulating concrete form walls, project drawings, typical details and specifications are not required to bear the seal of the architect or engineer responsible for design.
612.2 Applicability limits. The provisions of this section shall apply to the construction of insulating concrete form walls for buildings not greater than 60 feet (18.3 m) in plan dimensions, and floors not greater than 32 feet (9.7 m) or roofs not greater than 40 feet (12 m) in clear span. Buildings shall not exceed two stories in height above-grade with each story not greater than 10 feet (3.0 m) high. Walls constructed in accordance with the provisions of this section shall be limited to buildings subjected to a maximum design wind speed of 110 mph (145 km/hr), a maximum ground snow load of 70 psf (3.35 kN/m2), and Seismic Zones 0, 1, and 2.
612.3 Flat insulating concrete form wall systems. Flat ICF wall systems shall comply with Figure 612.3 and shall have reinforcement in accordance with Table 612.3 and Section 612.7.
For SI: 1 foot = 0.3048 m; 1 inch = 25.4 mm; 1 mph = 1.6093 km/hr
1 N/R indicates no vertical wall reinforcement is required.
2 Deflection criterion is L/240, where . is the height of the wall story in inches.
3 Interpolation shall not be permitted.
4 See 612.7.1.5 for additional reinforcement requirements in Seismic Zone 2.
5 A 3.5 inch (89 mm) wall is not permitted if wood ledgers are to be used to support the second floor or roof loads. See 612.8.
612.4 Waffle-grid insulating concrete form wall systems. Waffle-grid wall systems shall comply with Figure 612.4 and shall have reinforcement in accordance with Table 612.4a and Section 612.7. The minimum core dimensions shall comply with Table 612.4b.
612.5 Screen-grid insulating concrete form wall systems. Screen-grid ICF wall systems shall comply with Figure 612.5 and shall have reinforcement in accordance with Table 612.5 and Section 612.7. The minimum core dimensions shall comply with Table 612.4b.
For SI: 1 foot = 0.3048 m; 1 inch = 25.4 mm; 1 mph = 1.6093 km/hr
1 N/R indicates no vertical wall reinforcement is required.
2 Deflection criterion is L/240, where . is the height of the wall story in inches.
3 Interpolation shall not be permitted.
4 See 612.7.1.5 for additional reinforcement requirements in Seismic Zone 2.
5 Nominal thickness is given; refer to Table 612.4b for actual concrete wall thickness.
For SI: 1 inch = 25.4 mm
1 For width "W", thickness "T", spacing, and web thickness, refer to Figures 612.4 and 612.5.
2 N/A indicates not applicable.
For SI: 1 foot = 0.3048 m; 1 inch = 25.4 mm; 1 mph = 1.6093 km/hr
1 N/R indicates no vertical wall reinforcement is required.
2 Deflection criterion is L/240, where . is the height of the wall story in inches.
3 Interpolation shall not be permitted.
4 See 612.7.1.5 for additional reinforcement requirements in Seismic Zone 2.
5 Nominal thickness is given; refer to Table 612.4b for actual concrete wall thickness.
612.6 Material. Insulating concrete form wall materials shall comply with this section.
612.6.1 Concrete material. Ready-mixed concrete for insulating concrete form walls shall be in accordance with Section 402.2. Maximum slump shall not be greater than 6 inches (152 mm) as determined in accordance with ASTM C 143. Maximum aggregate size shall not be larger than 3/4 inch (19 mm).
Exception: Concrete mixes conforming to the ICF manufacturer's recommendations.
1. Reinforcing Steel. Reinforcing steel shall meet the requirements of ASTM A 615, A 616, A 617, or A 706. The minimum yield strength of reinforcing steel shall be 40,000 psi (Grade 40) (276 MPa).
2. Insulation materials. Insulating concrete forms material shall meet the surface burning characteristics of Section 317.1.1. A thermal barrier shall be provided in accordance with Section 317.1.2.
3. Wall construction. Insulating concrete form walls shall be constructed in accordance with the provisions of this section and Figure 612.7a.
612.7.1 Reinforcement.
612.7.1.1. Location. Vertical and horizontal wall reinforcements shall be placed within the middle third of the wall. Steel reinforcements shall have a minimum concrete cover in accordance with ACI 318.
Exception: Where insulated concrete forms are used and the form remains in place as cover for the concrete, the minimum concrete cover for the reinforcing steel is permitted to be reduced to 3/4 inches.
612.7.1.2 Vertical steel. Above-grade concrete walls shall have reinforcement in accordance with Sections 612.3, 612.4, or 612.5 and 612.7.2. All vertical reinforcement in the top-most ICF story shall terminate with a bend or a standard hook and be provided with minimum lap splice of 24 inches (610 mm) with the top horizontal reinforcement.
612.7.1.3 Horizontal steel. Concrete walls with minimum thickness of 4 inches (102 mm) shall have a minimum of one continuous #4 horizontal reinforcing bar placed at 32 inches (812 mm) on center with one bar within 12 inches (305 mm) of the top of the wall story. Concrete wall 5.5 inches (140 mm) thick or greater shall have a minimum of one continuous #4 horizontal reinforcing bar placed at 48 inches (1.2 m) on center with one bar located within 12 inches (305 mm) of the top of the wall story. Horizontal reinforcement shall be continuous around building corners using corner bars or by bending the bars. In either case, the minimum lap splice shall be 24 inches (610 mm).
612.7.1.4 Lap splices. Where lap splicing of reinforcing steel is necessary, the lap splice shall be a minimum of 40db, where db is the diameter of the smaller bar. The maximum distance between non-contact bars at a lap splice shall not exceed 8db.
612.7.1.5 Dwellings in Seismic Zone 2. Dwellings in Seismic Zone 2 shall have horizontal and vertical reinforcement in accordance with the following:
1. Vertical reinforcement consisting of at least one #4 reinforcing bar, extending continuously from support to support, shall be provided at each corner, at each side of each opening, and at the ends of walls.
2. Horizontal reinforcement consisting of at least one #4 reinforcing bar, continuously at structurally connected roof and floor levels and at the top of the wall, at the bottom of load-bearing walls or in the top of foundations where doweled to the wall and at a maximum spacing of 10 ft. (3.05 m).
Vertical reinforcement provided in accordance with 612.7.1.2 and 612.7.2, and horizontal reinforcement provided in accordance with 612.7.1.3 and 612.7.3., and shall be permitted to be used to meet the requirements of this section.
612.7.2 Wall openings. Wall openings shall have a minimum of 8 inches (203 mm) of depth of concrete above the opening for flat and waffle-grid ICF walls and 12 inches (305 mm) for screen-grid walls over the length of the opening. Reinforcement around openings shall be provided in accordance with Table 612.7a and Figure 612.7b. All reinforcement placed horizontally above or below an opening shall extend a minimum of 24 inches (610 mm) beyond the limits of the opening. Wall opening reinforcement shall be provided in addition to the reinforcement required by 612.3, 612.4, 612.5 and 612.7.1. The perimeter of all wall openings shall be framed with a minimum of 2 x 4 plate (50.8 mm x 101.6 mm), anchored to the wall with 1/2 inch (12.7 mm) diameter anchor bolts spaced a maximum of 24 inches (610 mm) on center. The bolts shall be embedded into the concrete a minimum of 4 inches (101.6 mm) and have a minimum of 1-1/2 inches (38.1 mm) of concrete cover to the face of the wall.
Exception: The 2 x 4 (50.8 mm x 101.6 mm) plate is not required where the wall is formed to provide solid concrete around the perimeter of the opening with a minimum depth of 4 inches (101.6 mm) for the full thickness of the wall.
For SI: 1 inch = 25.4 mm; 1 psf = 0.0479 kN/m2, 1 ft = 0.3 m
1 Deflection criteria: L/240.
2 Design load assumptions:
Floor dead load is 10 psf (0.48 kN/m2) Attic live load is 20 psf (0.96 kN/m2)
Floor live load is 30 psf (1.44 kN/m2) Roof dead load is 15 psf (0.72 kN/m2)
Building width is 32 feet (9.75 m) ICF wall dead load is 69 psf (3.31 kN/m2)
Light-framed wall dead load is 10 psf (0.48 kN/m2)
3 #3 stirrups are required at d/2 spacing, where d = lintel depth minus 2 inch (51 mm) cover.
4 Interpolation is permitted between ground snow loads and between lintel depths.
For SI: 1 inch = 25.4 mm; 1 psf = 0.0479 kN/m2, 1 ft = 0.3 m
1 Deflection criteria: L/240.
2 Design load assumptions:
Floor dead load is 10 psf (0.48 kN/m2) Attic live load is 20 psf (0.96 kN/m2)
Floor live load is 30 psf (1.44 kN/m2) Roof dead load is 15 psf (0.72 kN/m2)
Building width is 32 feet (9.75 m) ICF wall dead load is 69 psf (3.31 kN/m2)
Light-framed wall dead load is 10 psf (0.48 kN/m2)
3 #3 stirrups are required at d/2 spacing, where d = lintel depth minus 2 inch (51 mm) cover.
4 Interpolation is permitted between ground snow loads and between lintel depths.
For SI: 1 inch = 25.4 mm; 1 psf = 0.0479 kN/m2, 1 ft = 0.3 m
1 Deflection criteria: L/240.
2 Design load assumptions:
Floor dead load is 10 psf (0.48 kN/m2) Attic live load is 20 psf (0.96 kN/m2)
Floor live load is 30 psf (1.44 kN/m2) Roof dead load is 15 psf (0.72 kN/m2)
Building width is 32 feet (9.75 m) ICF wall dead load is 69 psf (3.31 kN/m2)
Light-framed wall dead load is 10 psf (0.48 kN/m2)
3 #3 stirrups are required at d/2 spacing, where d = lintel depth minus 2 inch (51 mm) cover.
4 Interpolation is permitted between ground snow loads and between lintel depths.
5 For actual wall lintel width, refer to Table 612.4b.
6 Lintel width corresponds to the nominal waffle-grid ICF wall thickness with a minimum web thickness of 2 inches (51 mm).
For SI: 1 inch = 25.4 mm; 1 psf = 0.0479 kN/m2, 1 ft = 0.3 m
1 Deflection criteria: L/240.
2 Design load assumptions:
Floor dead load is 10 psf (0.48 kN/m2) Attic live load is 20 psf (0.96 kN/m2)
Floor live load is 30 psf (1.44 kN/m2) Roof dead load is 15 psf (0.72 kN/m2)
Building width is 32 feet (9.75 m) ICF wall dead load is 69 psf (3.31 kN/m2)
Light-framed wall dead load is 10 psf (0.48 kN/m2)
3 #3 stirrups are required at d/2 spacing, where d = lintel depth minus 2 inch (51 mm) cover.
4 Interpolation is permitted between ground snow loads and between lintel depths.
5 For actual wall lintel width, refer to Table 612.4b.
6 Lintel width corresponds to the nominal waffle-grid ICF wall thickness with a minimum web thickness of 2 inches (51 mm).
For SI: 1 inch = 25.4 mm; 1 psf = 0.0479 kN/m2, 1 ft = 0.3 m
1 D/R indicates design is required.
2 Deflection criterion is L/240, where . is the clear span of the lintel in inches.
3 Interpolation is permitted between ground snow loads and between lintel depths.
4 No. 3 stirrups are required at a maximum d/2 spacing for spans greater than 4 feet (1.2 m).
5 Actual thickness is shown for flat lintels while nominal thickness is given for waffle-grid lintels. Lintel thickness corresponds to the nominal waffle-grid ICF wall thickness with a minimum web thickness of 2 inches (51 mm). Refer to Table 612.4b for actual wall lintel width.
6 ICF wall dead load is maximum 55 psf (2.6 kPa).
For SI: 1 foot = 0.3048 m; 1 inch = 25.4 mm; 1 psf = 47.8804 Pa
1 Deflection criterion is L/240, where . is the clear span of the lintel in inches.
2 Linear interpolation is permitted between lintel depths.
3 No. 3 stirrups are required at a maximum d/2 spacing for spans greater than 4 feet (1.2 m).
4 ICF wall dead load is maximum 69 psf (3.3 kPa).
For SI: 1 inch = 25.4 mm; 1 MPH = 1.6093 km/hr
1 Linear interpolation between roof slopes shall be permitted.
2 Minimum percentages are applicable for maximum 10-foot (3.0 m) wall story heights.
3 N/A indicates not applicable.
4 Actual thickness is shown for flat walls while nominal thickness is given for waffle- and screen-grid walls. Refer to Table 612.4b for actual waffle- and screen-grid thickness and dimensions.
5 The minimum solid wall length requirements are based on a 2:1 building aspect ratio, L/W, where L is the length parallel to the ridge of the roof and W is the length perpendicular to the ridge of the roof. For a different ratio the tabular values may be adjusted by the following multipliers provided the minimum wall lengths in 612.7.4 are met. Interpolation is permitted.
| L/W | Endwall | W Sidewall |
| 2.0 | 1.00 | 0.25 |
| 1.8 | 0.90 | 0.30 |
| 1.6 | 0.80 | 0.35 |
| 1.4 | 0.70 | 0.40 |
| 1.2 | 0.60 | 0.45 |
| 1.0 | 0.50 | 0.50 |
For SI: 1 inch = 25.4 mm; 1 mph = 1.6093 km/hr
1 Minimum percentages are for maximum 10-foot (3.0 m) wall story height.
2 Actual thickness is shown for flat walls while nominal thickness is given for waffle-grid and screen-grid walls. Refer to Table 612.4b for actual waffle-grid and screen-grid thickness and dimension.
612.7.3 Lintels.
612.7.3.1 General requirements. Lintels shall be provided over all openings greater than or equal to four feet (1.2 m) in width. Lintels for flat ICF walls and screen-grid ICF walls shall be constructed in accordance with Figure 612.7c. Lintels for waffle-grid ICF walls shall be constructed in accordance with Figures 612.7d or 612.7e. Lintel depths are permitted to be increased by the height of ICF wall located directly above the lintels, provided that the lintel depth spans the entire length of the opening.
612.7.3.2 Stirrups. A minimum of #3 stirrups shall be installed for all flat and screen-grid wall lintels at a maximum spacing of d/2 where d equals the depth of the lintel (D) minus the bottom cover of concrete as shown in Figures 607c, 607d or 607e. A minimum of two #3 stirrups shall be placed in each vertical core of waffle-grid lintels.
612.7.3.3 Horizontal reinforcement. One #4 horizontal bar shall be provided in the top of the lintel. Horizontal reinforcement placed within 12 inches (304.8 mm) of the top of the wall in accordance with Section 612.7.1.3 shall be permitted to serve as the top or bottom reinforcement in the lintel provided the reinforcement meets the location requirements in Figures 612.7b, 612.7c, 612.7d, or 612.7e, and the size requirements in Tables 612.7b, 612.7c, 612.7d, 612.7e, 612.7f, or 612.7g.
612.7.3.4 Loadbearing walls: Lintels for flat and screen-grid ICF walls supporting roof or floor loads shall comply with Tables 612.7b or 612.7c. Lintels or waffle-grid ICF walls supporting roof or floor loads shall comply with Tables 612.7d, 612.7e.
Exception: Where spans larger than those permitted in Tables 612.7b, 612.7c, 612.7d or 612.7e are required, the lintels shall comply with Table 612.7f.
612.7.3.5 Non-loadbearing walls: Lintels for non-loadbearing walls for flat, waffle-grid and screen-grid ICF walls shall comply with Table 612.7g.
612.7.4 Minimum length of wall without openings. Exterior ICF walls shall have a minimum of solid wall length to total wall length in accordance with Table 612.7.h, but not less than 15 percent for ICF walls supporting a light framed roof or 20 percent for ICF walls supporting an ICF or light framed second story and light framed roof. For attached dwellings in Seismic Zone 2, the minimum percentage of solid wall length shall be equal to or greater than the requirements in Table 612.7j. The minimum percentage of solid wall length shall include only those solid wall segments that are a mini- mum of 24 inches (610 mm) in length. The maximum distance between wall segments to be included in determining solid wall length shall not exceed 18 feet (5.5 m). A minimum length of 24 inches (610 mm) of solid wall segment, extending the full height of each wall story, shall occur at all corners of exterior walls.
612.8 ICF Wall to floor connections.
612.8.1 Top Bearing. Floors bearing on the top of ICF foundation walls in accordance with Figure 612.8a shall have the wood sill plate anchored to the ICF wall with a minimum 1/2-inch (12.7 mm) diameter bolts embedded a minumum of 7 inches (178 mm) and placed at a maximum spacing of 6 feet (1.8 m) on center and not more than 12-inches (305 mm) from corners. Anchor bolts for wafflegrid and screen-grid walls shall be located in the cores. In conditions where wind speeds are in excess of 90 mph (144 km/hr) the 1/2 inch (12.7 mm) diameter anchor bolts shall be placed at a maximum spacing of 4 feet (1.2 m) on center. Bolts shall extend a minimum of 7 inches (178 mm) into concrete. Sill plates shall be protected against decay where required by Section 322.
612.8.2 Ledger bearing. Wood ledger boards supporting bearing ends of joists or trusses shall be anchored to flat ICF walls with minimum thickness of 5.5 inches (140 mm) and to waffle- or screengrid ICF walls with minimum nominal thickness of 6 inches (152 mm) in accordance with Figure 612.8b, 612.8c, 612.8d or 612.8e and Table 612.8. The ledger shall be a minimum 2 x 8 (50.8 mm x 203.2 mm) No. 2 Southern Pine or No. 2 Douglas Fir. Ledgers anchored to non-load bearing walls to support floor or roof sheathing shall be attached with 1/2 inch (12.7 mm) diameter L or headed anchor bolts spaced a maximum of 6 feet (1.83 m) on center. Anchor bolts shall be embedded a minimum of 4 inches (101.6 mm) into the concrete.
For SI: 1 foot = 0.3048 m; 1 inch = 25.4 mm
1 Minimum ledger board nominal depth shall be 8 inches (203 mm). The thickness of the ledger board shall be a minimum of 2 inches (51 mm). Thickness of ledger board is in nominal lumber dimensions. Ledger board shall be a minimum No. 2 Grade.
2 Minimum edge distance shall be 2 inches (51 mm) for 1/2 inch (13 mm) diameter anchor bolts and 2.5 inches (64 mm) for 5/8 inch (16 mm) diameter anchor bolts.
3 Interpolation is permitted between floor spans.
4 Floor span corresponds to the clear span of the floor structure (i.e., joists or trusses) spanning between loadbearing walls or beams.
5 Anchor bolts shall extend through the ledger to the center of the flat ICF wall thickness or the center of the horizontal or vertical core thickness of the waffle-grid or screen-grid ICF wall system.
6 Minimum vertical distance between bolts shall be 1.5 inches (38 mm) for 1/2 inch (13 mm) diameter anchor bolts and 2 inches (51 mm) for 5/8 inch (16 mm) diameter anchor bolts.
612.9 ICF wall to top sill plate (roof) connections. Wood sill plates attaching roof framing to ICF walls shall be anchored with a minimum 1/2 inches (12.7 mm) diameter anchor bolts embedded a minimum of 7 inches (178 mm) and placed at 6 feet (1.8 m) on center in accordance with Figure 612.9. Anchor bolts shall be located in the cores of waffle-grid and screen-grid ICF walls. Roof assemblies subject to wind uplift pressure of 30 pounds per square foot (1.44 kN/m2) or greater; as established in Table 301.2d shall have rafter or truss ties provided in accordance with Table 802.11. (Effective January 1, 2001).
End of CABO 1 & 2 Family Dwelling Code Amendments.
Ga. Comp. R. & Regs. R. 110-11-1-.10
O.C.G.A. Sec. 8-2-20et seq.