Proposed 2009 Amendments to the 2005 State Building Code
Presented by Christopher R. Laux, A.I.A.Architect/Building Official/Consultant
Contact Information
Christopher R. Laux, A.I.A.Post Office Box 636Woodbury, CT 06798-0636
Phone/fax: (203) 263-5787Email: [email protected]
Disclaimer
This presentation covers only the highlights of “important” changes to the 2005 State Building Code.
A thorough understanding of the code can only be obtained by reading, reading, reading, and then calling a consultant
This presentation is based on the version available on the OSBI website
Why the 2009 Amendments?
To add specific statutory requirements To fix some “oops’s” To bring in some good information from
more recent codes Most importantly - because you were
beginning to understand the 2005 version
Timeline
Approved end of April Adoption date 8/1/09 – applies to all
building permits applied for on or after 8/1/09
IBC & IRC Administration
101.2: clarify that buildings being moved can use IEBC
101.2: clarify that the permit applicant makes choice to use IEBC at time of permit application
105.1: Permit required to move a lot line that affects an existing structure
IBC Administration
105.2: portable grandstands or bleachers under 100 occupants exempt from permit must be outside building (for fields)
105.2.5: Federal agencies exempt from building and demolition permits Post offices, courthouses, prisons, etc. On owned or leased land
Other Administration IEBC: MOE in existing buildings must
meet Part IV of CSFSC IRC R101.4.7: Added reference to
State Demolition Code IBC/IRC Section 117: Added section
regarding vacant buildings – new tool for dealing with abandoned or temporarily “mothballed” buildings
IBC/IRC: additional required electrical inspections
IBC – Chapter 3
Group B 304.1: Includes non-accessory spaces used for
assembly purposes by fewer than 50 persons
Includes “Training and skill development not within a school or academic program”
In-home business occupancies in a one-family home w/ maximum 1 non-resident employee are R-3 or can use IRC
IBC – Chapter 3
Consumer fireworks 307.5.1: follow NFPA 1124-2006 for fireworks sales over exempt amounts CT restricts amount stored through
amendment
Group R 310.1: R-3 (and IRC) allows up to 6 lodgers or boarders – needed to help define Group R-1 Bed and Breakfast Establishment
IBC – Chapter 4
Smoke control scoping simplified: 404.4: not required in two-story atriums. 402.9: required in covered malls of 2 or
more stories.
IBC - Chapter 5
New 506.4.1: provides methodology for determining maximum size of buildings that are mixed occupancies – separated Sum of ratios for areas on all floors
totaled shall not exceed 2 for two-story or 3 for three-story and higher
IBC – Chapter 9 903.2.7: sprinklers required in new R
and if R occupancy introduced by change of occupancy or addition Not required by repair, alteration or
addition to existing R provided not required by previous code or other sections (ie: height & area)
Sprinklers req. only in addition if 1-hour separation between new & existing
Additional exceptions for existing buildings actually more restrictive
IBC – Chapter 9
903.2.1.2: new sprinkler exemption for A-2 restaurants built as A-3 that increase fire area to 12,000 s.f. maximum
910.1: automatic smoke & heat vents not required with ESFR sprinklers
IBC – Chapter 9
903.2.7.1: 13D system permitted in R-4 small residential care/assisted living if: No mixed occupancy in building 6 or fewer occupants excluding staff 2-stories, 40’ max. height limit 30 minute water supply All habitable and usable areas, including
closets, must be sprinklered Meet valve supervision requirements
IBC – Chapter 9
903.3.1.2: clarify 13R system can be used only in buildings up to and including 4 stories above grade and 60’ in height
903.3.1.2.2: 13R cannot be used in mixed occupancy buildings except those that comply with Section 508.2 with only Group R above the horizontal separation
IBC – Chapter 10
New 1003.8: security devices that emit any medium (ie: smoke) that obscures MOE prohibited
New 1003.9: Mirrors shall not be placed on or adjacent to exit doors
New 1004.1.2: Day care occupancies: 1 occupant per 35 s.f. net
1003.2: ceiling height in MOE increased to 7’-6”
IBC – Chapter 10
1005.1.1: balanced egress capacity deleted and substituted with formula to determine the fraction of egress capacity required after loss of one exit: (R-1)/R = C; where R=number of required exits and C= minimum fraction of required MOE capacity after loss of one
Applies to buildings and rooms/spaces
Example:
Building has 2000 occupants and 5 required exits
(5-1)/5 = 4/5 or 80% Remaining exits must handle 80% of
occupants: .80 x 2000 = 1600
IBC – Chapter 10 1006.3.1: MOE emergency
illumination shall operate upon: Failure of utility or outside power supply Opening of breaker or fuse Accidental opening of switch controlling
normal lighting 1009.11.2: intermediate handrails
only required for stairs exceeding 75 inches - still only req. within 30” of required width
IBC – Chapter 10
Ramp surfaces (1010.7.1) and edge protection (1010.9) refers to ICC/ANSI A117.1-03 Allows perforations in ramps
1011.1.1: floor proximity EXIT signs now required at exit access doors in addition to exits in certain occupancies
IBC - Chapter 10 1012.2: B&B level guards must be
min. 36” high with max. 6” space. Stair guards between 34” & 38” high
1013.2: 50% Group M MOE may travel through stockroom with restrictions
New 1023.2.1: exit discharge doors must be remote (1/3 diagonal) when 2 or more required
IBC – Chapter 10
1025.3 rescue windows: added exception to 44” maximum sill height for compliant permanent platform or steps
1024.2: assembly main exit language simplified to match statute
IBC – Floor Proximity Egress Path Marking – New Section 1026 Required in exit access corridors in:
Group A w/ more than 300 occupants Group B Medical Occupancies Group E (see exceptions for doors opening to
exterior) Groups I-1 and I-2 Group R-1 hotels and motels Group R-2 dormitories
Not required for work in existing buildings including additions
Section 1026
Must be within 18” of floor Photoluminescent must be from 1” to
2” in width Must be listed and labeled and
installed in accordance with manufacturer’s requirements
1026.4 gives standards for materials
Section 1026
Shall not incorporate arrows, chevrons or patterns intended to lead occupant in any direction Exception for dead-end corridors
Must illuminate within 10 seconds of power failure and stay lit for 90 minutes
Photoluminescent must be illuminated by building’s normal lighting for 60 minutes prior to building occupancy
IBC – Chapter 11
1107.6.2.1.1: Type A unit requirements in R-2 start at 20 dwelling or sleeping units
IRC Townhouse accessibility requirements deleted from IBC and put in IRC No new requirements – just relocated
and (hopefully) made easier to understand
IBC – Chapter 11
1109.13, Exception 7: new exception for height of pool barrier hardware on accessible route (54” maximum, 48” minimum)
IBC – Chapter 17
1704.2.2: specifies exact in-plant certification/quality assurance programs acceptable in lieu of on-premises special inspections
IBC – Chapter 18
1805.2.1: Frostproof foundation exception raised to 600 s.f. – wind issues still apply
New 1806.2: guards required at retaining walls with more than 4’ change in elevation and with walking surface within 2’ of high side. Clarifies that grass, planting beds & landscaped areas are not a walking surface
IBC Miscellaneous 2702.2.20: standby power required
for electric fire pumps in buildings with standby power for purpose of continuing occupancy or operations
3006.4:Remote elevator machine rooms permitted to be protected by automatic fire-extinguishing system or separated by 1-hour construction with ¾ hour opening protectives
IBC – Chapter 31
3105.3: adds exceptions to high-wind design for awnings (meet 90 MPH)
3109.1.1: clarification of which pools are exempt from DPH regulations
3109.5: new entrapment avoidance requirements for public pools (information comes from IRC)
IBC – Chapter 34 3403.4: Free pass on existing stairways is
limited to maximum riser height and minimum tread depth
3403.5:MOE in all existing buildings must meet Part IV of CSFSC (also in IEBC)
3409.3:Change of occupancy accessibility additional requirements (also in IEBC): Min. 1 accessible toilet/bathing room per gender Min. 1 accessible MOE Type A and/or B units as per 1107
IBC – Appendix K
Seismic spectral accelerations reduced for all towns in accordance with new ASCE-7 Should reduce seismic requirements for
structural elements Deletes MEP seismic bracing for many
buildings
ICC/ANSI A117.1-03
1004.13: Requirement for accessible windows in Type B units deleted
504: Information on accessible stairs deleted (no scoping requirements)
1004.3: Accessible route to exterior spaces less than 60” deep in Type B units not required
IEBC
101.13: minimum MOE requirements in all buildings is Part IV, CSFSC
804.1.1: Change of occupancy – sprinklers required when required by IBC, Chapter 9 for new occupancy
804.1.2: Change of occupancy – alarms required when required by IBC, Chapter 9 for new occupancy
IEBC
812.5: new requirements for change of occupancy (match IBC): 1 accessible toilet/bathing facility per
gender 1 accessible means of egress Type A and B units per IBC 1107
IPC – Chapter 10
1003.3: Grease traps connected to private, on-site septic systems comply with IPC. Grease traps connected to publicly owned treatment works via sanitary sewer must comply with DEP General Permit for the Discharge of Wastewater Associated with Food Preparation Establishments (FOG regulations)
IMC – Chapter 5
510.1.1: defines laboratory for purposes of Section 510 (hazardous exhaust) as use of chemicals on non-production basis, rather than manufacturing
510.7 new exception: no sprinklers required in laboratory hoods or exhaust systems
IECC
Delete 2003 edition and adopt the 2006 edition.
CT Amendments similar to 2003 Edition
Shorter, simpler, easier to use: One climate zone for entire state Includes prescriptive alternatives to RES-
Check and COM-check Results in more efficient buildings
IRC – Chapter 3 New 309.2.1: Detached garages less
than 10 feet from house need same fire separation as attached garages
Rescue windows 310.1: added exception to 44” minimum sill height for compliant permanent platform or steps
New 317.1: Common spaces in 2-family dwellings must have 1-hour separation from dwelling units
IRC – Chapter 3
301.2.1.2: in wind-borne debris regions (120 mph) can use wood structural panels to protect windows in 1st and 2nd story of 3 story houses Must be cut to size and supplied with
fasteners, just as in one- and two-story homes
IRC – Chapter 3
New 312.1: guards required at retaining walls with more than 4’ change in elevation and with walking surface within 2’ of high side. Clarifies that grass, planting beds & landscaped areas are not a walking surface
IRC – Accessibility R322
All townhouse accessibility requirements now in IRC instead of reference to IBC: No new requirements Easier to understand
IRC - Miscellaneous
R403.1: Frostproof foundation exception for accessory buildings raised to 600 s.f. (DON’T FORGET WIND)
New R806.4: language from 2006 IRC re: conditioned attic assemblies Allows unvented attics when 3 conditions
are met Conditioned air supply not needed Most applicable to spray-foam insulation
IRC - Miscellaneous
N1101.2.1 & N1101.2.2: Glazing percentage limitations for prescriptive energy apply to walls of thermal envelope, not all exterior walls
M1703.6: Mechanical combustion air systems must comply with manufacturer’s installation requirements for both the appliance and the air supply system
IRC - Miscellaneous
G2415.1: Gas piping in townhouses shall not pass through any unit not served by that piping (including basements and crawl spaces)
E3509.7.1: CSST gas piping must be bonded per manufacturer’s requirements
E3802.11: Bedroom smoke detectors must be on Arc-fault circuit
IRC – Appendix G (Pools)
AG102.1.1: clarifies can’t use IRC for Townhouse Complex pool – only applies to detached one- and two-family or as accessory to individual townhouse
AG106.2: all pool/spa suction outlets (except surface skimmers) must comply w/ ASMR/ANSI A112.19.8M-2007 (newer edition) or be approved channel drain
IRC Appendix G
AG106.4: clarifies main drain separation is measured from near point of opening to near point of opening
2005 NEC
210.12: Bedroom smoke detectors must be on Arc-fault circuit
680.26: Swimming pool equipotential bonding grid: Not required for pools built of non-
conductive materials Can use mesh in concrete deck as grid
THE END
Thanks for pretending to listen and stay awake!