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: codeguy@charter.net

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!