2013 Kentucky Building Code Highlights Winnie Blythe, Technical Advisor Dept. of Housing, Buildings, and Construction winnie.blythe@ky.gov www.dhbc.ky.gov 502-573-0373 January 1, 2014 Mandatory Effective Date The KBC printing can be purchased through a link on our web site or directly from www.nascla.org If you do not purchase the KBC, you can still pair the IBC and the KBC amendments Approximately 926 changes to the 2006 IBC were proposed and heard by the ICC committee Approximately 1077 changes to the 2009 IBC were proposed and heard by the committee Only about 25% passed 1
Kentucky Codes and Standards 2013 Kentucky Building Code (Based on the 2012 International Building Code) 2013 Kentucky Residential Code (Based on the 2012 International Residential Code) 2012 International Mechanical Code 2012 International Fire Code (New construction projects, only when specifically referenced by the body of KBC) 2009 International Energy Conservation Code (2012 anticipated adoption date October 1, 2014) 2013 Kentucky State Plumbing Law, Regulations & Code (815 KAR Chapter 20) State Boiler Regulation (KRS 236, 815 KAR 15) 2012 NFPA 1 Fire Prevention Code (as directed by 815 KAR 10:60 Kentucky Standards of Safety) 2010 NFPA 13- Standard for the Installation of Sprinkler Systems 2010 NFPA 13D- Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes 2010 NFPA 13R- Sprinkler Systems in Residential Occupancies Up to and Including Four Stories in Height 2010 NFPA 14-Standpipe, Hose Systems 2009 NFPA 54- National Fuel Gas Code 2011 NFPA 70 National Electrical Code (2014 anticipated adoption date October 1, 2014) 2010 NFPA 72- National Fire Alarm and Signaling Code The KBC amendments are not a complete replacement of Chapter 1 Chapter 1, Scope and Administration 2
TABLE 122.1 LICENSED DESIGN PROFESSIONAL SEALS GROUP BUILDING CALCULATED e CLASSIFICATION SIZE e OCCUPANT ARCHITECT ENGINEER EITHER NONE OR SPECIAL USE (square feet) LOAD Assembly 100 a X X Business 10,000 100 X X Educational Any size Any size X X Factory & industrial 20,000 X High hazard Any size Any size X Institutional Any size Any size X X Mercantile 100 X X Residential 12 dwelling units g 50 g X X Storage e 20,000 X Public works projects Any Any X SPECIAL USES Church buildings f 6,000 400 X X Day care 3,500 b 100b X X Farm Structures Any size Any size X Mixed uses Note c Note c X X Smaller buildings Note d Note d X Nonbuilding structures X Chapter 1, Scope and Administration Following the 2012 IBC format, all definitions are located in Chapter 2 Also returning to the code via 2009 IBC changes, the use of italics to identify defined terms Where terms appear in both the IBC and KBC, the corresponding definition found in the KBC shall supersede Chapter 2, Definitions Section 403 High Rise Buildings Bond strength for spray on fire proofing increased- Section 403.2.4 Fire pumps to be supplied by two different mains- Section 403.3.2 Smoke removal system required- Section 403.4.7 Interior exit stairways to be separated at least 30 feet or ¼ of the diagonal, whichever is less- Section 403.5.1 Luminous egress path markings required- Section 403.5.5 Buildings exceeding 120 feet: 1) At least one fire service access elevator required- Section 403.6.1; 2) Two fire service access elevators- Section 403.6.1 Occupant self-evacuation elevators permitted to be installed per Section 3008- Section 403.6.2 Additional provisions applicable to high-rise buildings over 420 feet high Chapter 4, Special Detailed Requirements Based on Use and Occupancy 3
Section 406 Motor-vehicle-related Occupancies New term for public parking garage - Section 406.4 New provision for horizontal open space of exterior openings in below-grade areas of open parking garages- Section 406.5.2.1 Modifications to the method of determining amount of openings required for open parking garages to receive allowable height and area increases- Section 406.5.5 Section 412 Aircraft-related Occupancies Fire area no longer needs to include the area of any ancillary spaces adjacent to the hanger when determining fire suppression requirements- Section 412.4.6.2 Chapter 4, Special Detailed Requirements Based on Use and Occupancy Other New Sections Section 419- Live/Work Units Section 422- Ambulatory Health Care Section 423- Storm Shelters Section 424- Children s Play Structures Section 429- Consumer Fireworks Retail Sales Facilities Section 430- Temporary Structures Chapter 4, Special Detailed Requirements Based on Use and Occupancy Section 506.2.1 Width Limits The width of the public way or open space used in calculating the frontage increase is now a weighted average. Equation 5 3 W=(L 1 x w 1 + L 2 x w 2 + L 3 x w 3 + L 4 x w 4 )/F L n = Length of a portion of the exterior perimeter wall w n = Width of open space associated with that portion of the exterior perimeter wall F = Building perimeter that fronts on a public way or open space having a width of 20 feet or more Chapter 5, General Building Heights and Areas 4
Section 703.7- Marking and identification Fire-resistance-rated construction shall be marked in accessible concealed spaces to indicate the need for penetration and opening protection. Section 705.2- Exterior wall projections New table for determining projections Section 705.5- Fire-resistance ratings Exterior walls now required to be rated for exposure to fire from both sides when the fire separation distance is equal to or less than 10 feet Chapter 7, Fire and Smoke Protection Features Section 706.2- Structural Stability of Fire Walls Added option for the double fire wall in compliance with NFPA 221 Section 712- Vertical Openings This section was for shafts with listed exceptions. Now vertical openings of all kinds with shaft enclosure as an option Chapter 7, Fire and Smoke Protection Features Section 714.4.1.1.2- Through-penetration firestop systems required to have an F rating/ T rating- Two added exceptions for T rating 1. Floor penetrations contained and located within the cavity of a wall above the floor or below the floor do not require a T rating. (added in 2009 IBC) 2. Floor penetrations by floor drains, tub drains, or shower drains contained and located within the concealed space of a horizontal assembly do not require a T rating. (added in 2012 IBC) Chapter 7, Fire and Smoke Protection Features 5
A "T" rating indicates the amount of time (usually hours) it takes the temperature on the non-fire side of a fire-rated assembly to exceed 325 F above ambient temperature. An "F" rating indicates the amount of time (hours) that a fire-resistive barrier can withstand fire before allowing flame to pass through an opening. An F rating is required for all throughpenetration firestop systems. Chapter 7, Fire and Smoke Protection Features Section 717.5.6- Exterior walls required to have opening protection now require listed fire dampers at duct and air transfer openings Chapter 7, Fire and Smoke Protection Features Highlights of changes to sprinkler system requirements Group F-1 (Moderate hazard factory industrial)- added manufacturing of upholstered furniture or mattresses exceeding 2,500 square feet Group M (Mercantile)- added display and sale of upholstered furniture or mattresses exceeding 5,000 square feet Chapter 9, Fire Protection Systems 6
Highlights of changes to sprinkler system requirements Group S-1 (Moderate hazard storage)- added storage of upholstered furniture or mattresses exceeding 2,500 square feet Group S-2 (Low hazard storage)-enclosed parking garages exceeding 12,000 square feet Chapter 9, Fire Protection Systems Highlights of changes to sprinkler system requirements Group E (Educational)- threshold changed from 20,000 square feet to 12,000 square feet (2009 IBC) Basements- added language that requires a sprinkler system where walls, partitions or other obstructions are installed that restrict water from hose streams Chapter 9, Fire Protection Systems Highlights of changes to fire alarm system requirements Section 907- The general scoping provisions for fire alarm systems were extensively modified in the 2009 IBC Chapter 9, Fire Protection Systems 7
Section 907.2.1- Group A clarification Fire alarm system required for multiple assembly uses in the same fire area exceeding 300 Fire alarm system required for multiple occupancies in the same fire area having an occupant load exceeding 300 due to the assembly occupancy Chapter 9, Fire Protection Systems Group E now requires a voice/alarm communication system in combination with the manual fire alarm system Chapter 9, Fire Protection Systems Group R-2 college and university buildings- Automatic smoke detection systems required in common spaces outside dwelling and sleeping units, laundry rooms, mechanical rooms, storage rooms, and all interior corridors serving sleeping and dwelling units Such smoke detection systems shall be interconnected to the fire alarm system Chapter 9, Fire Protection Systems 8
New Federal requirements may require mass notification systems in Group E Chapter 9, Fire Protection Systems Section 1008.1.9.9- New Section for electromagnetically locked egress doors Group A, B, E, M, R-1 and R-2 Listed hardware affixed to door leaf has obvious method of operation under all lighting conditions Listed hardware is capable of being operated with one hand Operation of listed hardware directly interrupts power to lock and unlocks immediately Loss of power to listed hardware automatically unlocks door Where panic or fire exit hardware is required, operation releases the electromagnetic lock Stairways Section 1009.1- Convenience/ provided stairways that serve occupied portions of the building shall comply with the stairway provisions of Section 1009. Sections 1009.2, 1009.3- Interior stairways are now broken down into two concepts 1) Interior exit stairways 2) Exit access stairways 9
Section 1011.1- added language to 2009 IBC to require exit signs within exits Section 1011.2- Floor level exit signs shall be provided in Group R-1 in all areas serving guest rooms Section 1011.5- Internally illuminated exit signs, including electrically powered, selfluminous and photoluminescent signs, are now required to be listed and labeled per UL 924 10
Section 1018.4- Corridors Exception 2 allows corridors to have dead ends up to 50 feet in length in fully sprinklered buildings (NFPA 13) Previously only B and F Use Groups- now added E, I-1, M, R-1, R-2, R-4, S and U Section 1022.5- When protected in accordance with Section 714.3.2, membrane penetrations are permitted in the outside of an exit enclosure Section 403.5.5 Luminous egress path markings required in high-rise buildings Section 1024 In Group A, B, E, I, M, and R-1 in interior exit stairways, interior exit ramps and exit passageways 11
Section 2603.5.5- Vertical and lateral fire propagation Foam plastic insulation in exterior walls- the exterior wall assembly shall be tested in accordance with and comply with the acceptance criteria of NFPA 285 Chapter 26, Plastic Questions??? Winnie Blythe, 502-573-0373 winnie.blythe@ky.gov 12