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State of Virginia’s Adoption. Uniform Statewide Building Code Adopts model codes by reference Family of I Codes 2003 edition NEC 2002 edition Statewide adoption of amendments Uniform across State May not be amended by City or County Expected adoption date: November 16, 2005

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state of virginia s adoption
State of Virginia’s Adoption
  • Uniform Statewide Building Code
    • Adopts model codes by reference
      • Family of I Codes 2003 edition
      • NEC 2002 edition
    • Statewide adoption of amendments
    • Uniform across State
    • May not be amended by City or County
  • Expected adoption date: November 16, 2005
  • Mandatory enforcement after November 16, 2006.
what codes will be adopted
What Codes will be adopted?
  • Building Code (IBC 2003)
  • Mechanical Code (IMC 2003)
  • Plumbing Code (IPC 2003)
  • Fuel Gas Code (IFGC 2003)
  • Electric Code (NEC2002)
  • Dwelling Code (IRC 2003)
  • Energy Code (IECC 2003)
  • Existing Building Code (IEBC 2003)
  • Accessibility (ANSI 117)
  • Property Maintenance Code (IPMC 2003)
  • Virginia Construction Code (USBC2005)
  • I Codes are a family of Codes
  • Integrated - with inter-related code provisions linked together
  • Developed by City, County and State building safety professionals with significant input from the design community and the construction industry.
  • Industry membership (Including HBAV) on code committees establishes a consensus-based code development process.


(800) 786-4452

significant changes in irc 2003
Significant Changes in IRC 2003
  • Table R301.5 allows for attic without storage live load of 10psf.
  • R302 Location on lot: USBC 5’ or 1 hour rating; 3’-5’ only 25% of wall permitted to have openings.
  • Section R303.2 allows a Sunroom to provide light to interior room.
  • Section R303.4 sets location requirements of intake and exhaust openings.
  • R305.1 Ceiling height for bathrooms is clarified: 6’8” over fixtures.
  • R308.4 item #9: Safety glazing is required for stair landings within 36” horizontally and 60 inches vertically of floor.
  • R309.2 Garage separation from habitable areas with ½inch drywall on walls and 5/8 inch in floor ceiling separations. Adjacent walls supporting this must be ½ inch drywall.
significant changes in irc 20031
Significant Changes in IRC 2003
  • R309.6 Automatic garage door openers must meet UL325.
  • R310.1 Egress window requirements in basements are clarified.
  • R311.5.6 Handrails required with four risers (previously three).
  • R311.4.1 Access to other habitable levels must be by ramp or stair.
  • R311.5.6.2 Handrails must be continuous for flight…terminate in newels
  • R311.5.6.3 Handrail grip size clarified
  • R312.1 Porches and decks with insect screening must have guards.
  • R312.1.1 A 3’ X 3’ landing is required at bottom of attic stair where the room above can be habitable.
  • R314.2 Stair riser and depth requirements remain the same: 8 ¼ inch rise; 9 inch minimum tread.
significant changes in 2003 irc
Significant Changes in 2003 IRC
  • R317.2 Town home separation must include attached accessory structures.
  • R323 Flood resistant requirements requires protection for mechanical and electrical systems including ductwork. As-Built drawings are now required.
  • Section 402.3 permits pre-cast concrete foundations
  • Table R403.1 Minimum footing widths decreased.
  • R404.1.5.1 Pier and curtain wall foundations systems are limited to two stories (without a design).
  • Section R408.3 requires underfloor access to be 16” by 24” in wall; 18” by 24” in floor.
  • Section R502.2.1 Provides a table for bolt size and spacing for deck support.
  • Table R502.3.3(1) establishes cantilever limits for floor joists. (NEW).
significant changes in 2003 irc1
Significant Changes in 2003 IRC
  • Section R502.4 Joists under bearing partitions must be sized for the load imposed (Double joists may not be enough-Beam may be needed).
  • Table R602.3(5) Size, height and spacing of wood studs is limited to two floors and roof.
  • R602.6.1 Limits drilling or notching of top plate to 50% of width.
  • R602.6.1 requires 8 nails per side of strap when top plate is cut, drilled or notched over 50% of width.
  • R702.4.2 prohibits water resistant Gypsum backer board over vapor retarder in tub/shower compartment.
  • R905.2.6 requires special fastening methods for high wind speeds (ASTM 3161).
  • Section R1001.6.1 Establishes requirements for spark arrestors.
common code problems
Common Code Problems
  • Shear walls and wall bracing not being installed properly.
  • Flood Vents not being installed; using foundation vents instead…
  • Footings improperly dug; soil not solid.
  • Foundation piers over 4X the height (32” for 8”) not filled.
  • Box connection to girder missing or improper.
  • Exterior nailing improper (6” and 12”)
  • Excessive cutting/notching of structural members.
  • Fireblocking missing or improperly installed.
  • Flashing not being installed properly
  • Pier and Curtain Wall Foundation design limited to two floors and a roof, not three floors and roof w/o design.
  • Guards installed with improper height, intermediate picket spacing or strength.
  • Handrails: Improper height, size of railing.
  • Elevation certificate for BFE missing (As-built survey)
  • Window labeling for energy code or safety glazing.
  • Residential elevators
  • Deck construction (Section R502.2.1)
  • Permits for re-roofing (Required in high wind speeds)
what s next
What’s next?
  • 2006 IRC is being printed now.
  • State and VBCOA will begin working on adoption for next cycle immediately. Your input for State Amendments are encouraged.