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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 • 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? • 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)
Description • 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. FOR MORE INFO... www.iccsafe.org (800) 786-4452
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 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 • 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 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 • 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? • 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.