Code Changes 1209

8/8/2019 Code Changes 1209

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2009 IBC, IRC, IFCCODE CHANGE HIGHLIGHTS

Tim PateCo- Chair CCICC Code Change Committee

Senior Plans Analyst, LEED AP

City and County of Broomfield


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IRC CHANGES


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R105.2Work Exempt from Permit

Accessory structures and detached decks

that are 200 square feet or less areexempt from permits - if deck is over30 inches above grade or if it serves

the main exit door it will still needpermit


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R202Definitions

Added definition of Attic, Habitable (70

square feet minimum and headroomheights as per section R305) and

added live load, emergency escapeand rescue, smoke alarm, and verticalegress requirements for these areas


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R202Definitions

Added the word plane to Story above

grade since RB2 06/07 changed thescope of IRC to 3 stories above grade

plane. This now matches the IBC


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R202Definitions

Definition of townhouse was changed

from open space on two or more sidesto yard or public way on two or moresides since yard and public way both

have definitions


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R202Definitions

Definitions of Stair (one or more risers)

and Stairway (one or more flights ofstairs, interior or exterior, including

landings and platforms) were addedand now match what is in the IBC


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Section R302Fire Resistive Construction

This section now has all of the fire resistiveconstruction requirements for exterior walls,

projections, penetrations, party walls, andnew table for separation between house and

garage. No technical changes except one

hour fire rated party wall allowed intownhouses with fire sprinkler systems andFire separation requirements do not apply to

two separate accessory structureslocated on same lot.


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R308.4Hazardous Locations

Glazing within 24 of either vertical edge

of a door and lower than 60 abovefloor needs to be safety glazing.

Exception was added for glazing that is

adjacent to the fixed panel of slidingpatio doors


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R311.3

Floors and Landings atDoors

Added exception for exterior balconies

that are 60 square feet or less and onlyaccessible from that door

do not need the 36 landing in thedirection of travel


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R311.7.4Stair Treads and Risers

Added scoping language to require all

tolerance requirements (+ or 3/8 ontreads and risers) to be measured

exclusive of carpets, rugs, or runners


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R312Guards

Guards are required when surface is

located more than 30 inches abovefloor or grade below at any point within36 inches horizontally to the edge of

the open side and the guard needs tobe 36 minimum high above adjacent

fixed seating (benches)


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R313 and P2904Sprinkler Protection

Added new sections that will require fire

sprinklers in all new townhouses uponadoption and fire sprinklers in all newsingle family homes as of January 1,

2011 and P2904 gives details on howto design and install multipurpose

sprinkler piping systems


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R314Smoke Alarms

New exception was added so that adding

smoke alarms for installation,alterations, or repairs of plumbing or

mechanical systems is not required but

will still be required for all other interiorwork that requires permit


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R315Carbon Monoxide Alarms

Added requirements for carbon monoxide

alarms in new dwellingswhen there is a fuel fired appliance or an

attached garage - includesrequirements to add alarms for all

permits to interior when there is a fuel

fired appliance or an attached garage


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R502.2.2.1Deck Ledger Connections

This is a new section that gives

prescriptive requirements for attachingdeck ledgers to the house rim boards

Primarily requires lag bolts or throughbolts


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R602.10Wall Bracing

This section has been completely

rewritten to provide technical accuracyand clarity. Code no longer

differentiates between exterior and

interior braced walls.


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R612.3

Window Fall PreventionDevices

This section now requires window fall

prevention devices (when bottom edgeof opening is less than 24 above floorand is more than 72 above exterior

grade) to meet ASTM F 2090 whichwill meet emergency escape release

mechanism requirements


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R613

Structural Insulated PanelWall Construction

This section was added and gives all

requirements for SIP wall constructionbut does not apply to floor or roofpanels


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R806.1Attic Ventilation

The minimum size of ventilation openings

has been reduced from 1/8 to 1/16 toguard against entry of insects

Potential problem with this smaller size ifwhen you paint over and seal up

smaller holes

T bl R905 2 4 1 d


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Table R905.2.4.1 and

IBC Table 1507.2.7Asphalt Roof Shingles

These tables were added and include

ASTM D 7158 D, G, or H as alternateapproved test standard for wind loadtesting for shingles

AG 106 d IBC 3109 5


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AG 106 and IBC 3109.5

Swimming PoolEntrapment

These sections in the IRC and IBC haveboth been changed for swimming pool

entrapment avoidance to match therecently passed Virginia Graeme

Baker Pool and Safety Act


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IFC CHANGES

IFC 102 1


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IFC 102.1

Construction and DesignProvisions

The new exception clarifies that the IFC

does not apply to the interior of singlefamily dwellings built under the IRC butdoes apply to the exterior of structure

including premises identification, fireapparatus access and water supplies

IFC 511


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IFC 511

Emergency ResponderRadio Coverage

This section was added which will require

an approved Emergency ResponderRadio Coverage system in all new and

EXISTINGbuildings - no time frame for

existing buildings


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IFC 903.6.2Group I-2

This section was added and will require

fire sprinklers in all existing Group I-2occupancies (child care, detox,hospitals, mental hospitals, nursing

homes). This is only located within theIFC and not the IBC and no timetable


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ENERGY

MECHANICALPLUMBING

FUEL GAS

CODE CHANGES


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IRC ENERGY

Approximately 15% more restrictive

R-20 in exterior walls above gradeProgrammable thermostats at least one

50% of light bulbs to be high efficacy

Blower door test or visual inspectionfor air leakage

Checking for duct leakage

Heated swimming pools and snow melt systems


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INTERNATIONAL ENERGYCONSERVATION CODE

Approximately 15% more restrictive

R-20 in exterior walls above gradeProgrammable thermostats at least one

50% of light bulbs to be high efficacy

Blower door test or visual inspectionfor air leakage

Checking for duct leakage

Heated swimming pools and snow melt systems


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IRC M1411.6IMC 1101.10

Locking access caps required for

refrigerant circuit access ports that arelocated on exterior applies to airconditioning condensers also applies

to commercial installations


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IRC M1503.4

IMC 505.2

Exhaust hood systems capable ofexhausting in excess of 400 cfm willrequire makeup air to match needsto have means of closure and also

automatically controlled to start andoperate at same time as the exhaust no requirement for make up air to be

conditioned


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IRC TABLE M1502.4.4.1

IMC TABLE 504.6.4.1

There is a new table that gives equivalent

lengths of dryer exhaust duct fittingswhich you use when determiningallowable length of dryer exhaust ducts

but you can still use manufacturersinstructions to determine length


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IRC M1502.4.5

IMC 504.6.5

Where the cloths dryer exhaust duct is

concealed within building construction,the equivalent length shall be identifiedon permanent tag and be within 6 feet

of the duct connection


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IRC M1502.5

IMC 504.6.7

Protective shield plates will now be

required for clothes dryer exhaustducts that are closer than 1 tosurface of framing


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IRC M1602.2

Outdoor and return air cannot be taken

from unconditioned attics or boilerrooms


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IRC M2103.2

IMC 1209.5

Thermal barriers are now required for all

radiant floor heating systems this willapply to either slab on grade (minimumR-5) or suspended floors

(minimum R-11) and thermal breaksrequired where heated slabs meet

foundation walls


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IRC G2411.1

IFGC 310.1.1

CSST gas piping systems shall be bonded tothe electrical service grounding electrodesystem at the point where the gas serviceenters the building and bonding jumper

needs to be at least 6 AWG copper wire orequivalent or check manufacturersinstallation requirements


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IRC G2415.4

IFGC 404.4

Gas piping shall not penetrate building

foundation walls at any point belowgrade


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IRC P2503.6

IPC 312.9

Shower liner tests are now required and

specific requirements are listed


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IRC P2904

Section 2904 was added and gives

design and installation requirementsfor dwelling unit fire sprinkler systemsand is an equivalent to an NFPA 13D

fire sprinkler system- the designdrawings will need to be provided

before permit issuance


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IPC Table 403.1

Required Plumbing Fixtures

Footnote f was added to Table 403.1

which gives exception for when youhave 15 or fewer occupants then youare not required to have two drinking

fountains

IMC S i


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IMC Section 403

Mechanical Ventilation

Section 403 was substantially revised and

alters the airflow requirements alongwith the way they are calculated. Italso references breathing zones. This

will bring these in line with theASHRAE 62.1 - 2004 requirements.

This also helps in energy efficiency.


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IBC CHANGES


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202 Definitions

The definition for Labeled has been

added to reflect how approved testinglabs, inspection agencies, or otheragencies that do product evaluations

do the labeling for products.

304 1


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304.1

Business Group B

Ambulatory health care facilities were addedalong with new section 422 for specific

requirements - fire sprinklers, fire alarms,smoke compartments. Ambulatory health

care facilities are medical, surgical,psychiatric, nursing or similar care - less

than 24 hours - incapable of self

preservation (24 hours or more still I-2)

308 5 1


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308.5.1

I-4 Adult Care Facility

Adult care facilities provide accommodations forless than 24 hours for more than five

unrelated adults and provides supervisionand personal care.

Changed the exception from A-3 to R-3.If the occupants are capable of responding to

emergency without assistance then it can be

classified as R-3

310 1


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310.1

Residential Group R

Will allow a R-1 transient congregate

living facility with occupant load of 10 orless to be classified as R-3

Condos in ski towns

402 6 1


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402.6.1

Reduced Open Space

This section was added and will allow

reduced open space (40) for unlimitedarea malls. This will match reducedopen space for regular buildings

403 6 1


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403.6.1

Fire Service Elevator

This section was added and will require a

fire service access elevator for allbuildings with an occupied floor morethan 120 feet above fire department

vehicle access and refers to newSection 3007 for requirements - this

does not require separate elevator

Table 403 2 4


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Table 403.2.4

Minimum Bond Strength

This table was added and gives higher

SFRM minimum bond strengths for highrise buildings - 430 psf for building 75 to420 and 1,000 psf for buildings over 420

Higher bond strength means bettercohesion to steel members

403 5 2


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403.5.2

Additional Exit Stairway

This section was added and will require anadditional exit stair for all buildings (other than

R-2) with an occupied floor more than 420 feetabove fire department vehicle access - not

required when elevator complying with section3008 (Occupant Evacuation Elevator) is

installed - more restrictive than Fire Service

Access Elevator

403 5 5


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403.5.5

Egress Path Markings

This section was added and will requireluminous egress path markings for highrise buildings and refers to new section1024 for details. IFC Section 4604.23

requires these egress path markings tobe added to all existing high rise

buildings - no timetable

419


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419

Live Work Units

This section was added and givesrequirements for Live Work occupancies

Possible amendments:

Refer to IBC Chapter 29 for plumbingfixture requirements

Refer to IBC Chapter 10 for exit system

requirements

Table 503


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Allowable Height andBuilding Areas

B, M, S-1, and S-2 allowable stories wereall reduced for Type IIB and IIIB

construction - B went from 4 to 3, Mwent from 4 to 2, S-1 went from 3 to 2,

and S-2 went from 4 to 3. Attempted toreduce R from 4 to 3 but was defeatedsince all R occupancies require

sprinklers

508 2


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508.2

Accessory Occupancies

This section was completely changed withemphasis on clarifying that incidental use

areas are a subset of accessoryoccupancies. Storage and parking

garages were also deleted from Table508.2.5

509.2


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Horizontal BuildingSeparation Allowance

This section has been modified to allowR occupancies on the level below the 3

hour rated horizontal separation - now willallow B, M, R, multiple A (with occupant

load under 300) and incidental uses(storage areas, mechanical areas,

lobbies)


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509.5 and 509.6

Both sections have added R-1 toallowable occupancies in buildings of

Type IIIA and IIA that can have increasedheight and stories - now will be R-1 and

R-2

509.9


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Multiple buildings aboveparking garages

Section 509.9 (Multiple buildings above anenclosed or open Group S-2 parking garage)

This section was added to provide clarity that ifthere are two properly separated buildings

above an S-2 garage and built in accordancewith sections 509.2 or 509.3, they shall beregarded as separate and distinct buildings


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703.6


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703.6

Marking and Identification

This section was added and will require all fireand smoke rated walls to be permanently

identified with signs or stenciling - onlyexception is R-2s that do not have removabledecorative ceiling allowing access - problems

might be rated exterior walls and otheroccupancies with hard ceilings.

704.1.1


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704.1.1

Primary Structural Frame

This section has added bracing membersthat are essential to the vertical

stability of the primary structural frameunder gravity loads to be considered

part of the primary structural frame -this relates to fire protectionrequirements in Table 601

706.5.1


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706.5.1

Fire Walls

This section has added wording thatrequires using an imaginary lot line toextend out from the intersection of afire wall at exterior wall in order to

verify requirements for exterior walland opening protection

706.8


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Openings

This section was changed so that theallowable size of fire rated openings infire walls went from 120 square feet to

156 square feet - still cannot have

openings in party walls and still canhave any size openings when building

has NFPA 13 sprinkler system

708.2


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Shaft Enclosure Required

Exception 14 was added and will exemptelevators in open and enclosed

parking garages that only serve theparking garage. Exception 15 was

added and will exempt mechanicalshafts in parking garages

708.14.1


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Elevator Lobby

Elevator lobbies are now required inGroup I-2 occupancies (detox, childcare, hospital, nursing home) and

exception 7 was added which exempts

elevators serving only open parkinggarages from needing an elevator

lobby

714.1 Exception 5


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p

Joints

This section has added wording thatexempts joints in fire resistive walls,ramps, and floors within enclosedparking garages matches open

parking garages


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903.2.2 Group E

The threshold for requiring a fire sprinklerin E occupancies was reduced from20,000 square feet down to 12,000

square feet


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903.2.6 Group M

Group M occupancies which are usedprimarily for the display and sale of

upholstered furniture will require firesprinklers furniture that has padding

inserts not mattresses and boxsprings as per CPSC

THIS DOES NOT HAVE ANY SIZE

THRESHOLD

903.2.9


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Group S-2

This section now requires a sprinklersystem when the fire area of enclosedparking garages exceeds 12,000 s. f.,or exceeds three stories above grade

plane, or total fire areas exceed 24,000s.f., or fire area exceeds 5,000 s.f for

storage of commercial trucks

Table 1005.1


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Egress Width

Table 1005.1 was deleted along with

the sprinkler exception to reduce exitwidths - .3 inch per occupant for stairs

and .2 inch for all other egress

components is to be used for anybuilding and space - potential problemmay be existing building - use section

3412

1007.3 and 1007.4


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Exit Stairs and Elevators

Both sections have exception added backfor a fire sprinkler system in lieu of the

required areas of refuge but newsection 1007.8 was added and two

way communication systems are nowrequired at all elevator landings even ifbuilding has approved sprinkler system

1007.6.2


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Required Separation ofAreas of Refuge

Areas of refuge are required to beseparated by a smoke barrier. Theword vertical was deleted from theexception. Areas of refuge can be

located within an exit enclosure whichcould include an exit passageway

1007.8


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Two Way Communication

This section was modified and givesspecific requirements for two way

communication systems for areas ofrefuge and at elevator landings

1008.1.2


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Door Swing

Exception 9 was added and allowsmanually operated horizontal sliding

doors from spaces with occupant loadof 10 or less - similar to exception 1

1009.4.1


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Dimension ReferenceSurfaces

This section was added and requires thatstair treads and risers need to meetthe required dimensions exclusive of

carpets, rugs, or runners

1009.4.5


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Profile

Exception 2 now allows open risers in F,H, and S occupancies where not

accessible to the public

1009.12


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Handrails

Handrails are only required on 4 or morerisers within R-2 and R-3 occupancies previously required for 2 or more -

now matches the IRC - now only

difference between IBC and IRC isguard needs to be 42 high in IBC

dwelling units

1009.13


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Guards

Guards will be required when surface islocated more than 30 inches measuredvertically to the floor or grade below atany point within 36 inches horizontally

to the edge of open side

1014.3


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Common Path ofEgress Travel

Exception 4 now allows 125 footmaximum travel distance in R-2

occupancy when you have 13R system previously just for 13 system

1021.2 and Table 1021.2


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Single exits

Section 1021.2 and Table 1021.2 havebeen modified by changing the word

building to stories for the requirementsfor only allowing a single exit

1507.16


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Roof Gardens andLandscaped Roofs

This section was added and refers you tosections 1607.11.2.2 and 1607.11.2.3

for design requirements


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2009 CODE CHANGES

You can go up on the ICC websitewww.iccsafe.org and get more specific

information about all previous codechanges. If you need additional

information please contactTim Pate at [email protected]

Code Changes 1209

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