HomeMy WebLinkAboutConditionscov Dtr I o N}'LDNGPLANNNG
6. One-quarter-inch (6.4 mm) cement-based millboard.
7. Batts or blankets of mineral wool or glass fiber or
other approved materials installed in such a manner
as to be securely retained in place.
8. Cellulose insulation installed as tested in accordance
with ASTM E 119 or UL 263, for the specific appli-
cation.
R302.11.1.1 Batts or blankets of mineral or glass
fiber. Batts or blankets of mineral or glass fiber or
other approved nonngid materials shall be permitted
for compliance with the lO-foot (3048 mm) horizontal
fireblocking in walls constructed using parallel rows of
studs or staggered studs.
R302.11.1.2 Unfaced fiberglass. Unfaced fiberglass
batt insulation used as fireblocking shall fill the entire
cross section of the wall cavity to a height of not less
than 16 inches (406 mm) measured vertically. Where
piping, conduit or similar obstructions are encountered,
the insulation shall be packed tightly around the
obstruction.
R302.11.1.3 Loose-fill insulation material. Loose-fill
insulation material shall not be used as a fireblock
unless specifically tested in the form and manner
intended for use to demonstrate its ability to remain in
place and to retard the spread of fire and hot gases.
R302.11.2 Fireblocking integrity. The integrity of fire-
blocks shall be maintained.
R302.12 Draftstopping. In combustible construction where
there is usable space both above and below the concealed
space of a floor-ceiling assembly, draftstops shall be installed
so that the area of the concealed space does not exceed 1,000
square feet (92.9 m2). Draftstopping shall divide the con-
cealed space into approximately equal areas. Where the
assembly is enclosed by a floor membrane above and a ceil-
ing membrane below, draftstopping shall be provided in
fl oor-ceiling assemblies under the following circumstances :
1. Ceiling is suspended under the floor framing,
2. Floor framing is constructed of truss-type open-web or
perforated members.
R302.12.1 Materials. Draftstopping materials shall be not
less than tlr-inch (12.7 mm) gypsum board, 3/r-inch (9.5
mm) wood structural panels or other approved materials
adequately supported. Draftstopping shall be installed par-
allel to the floor framing members unless otherwise
approved by the building fficial. The integrity of the
draftstops shall be maintained.
R302.13 Fire protection of floors. Floor assemblies that are
not required elsewhere in this code to be fire-resistance rated,
shall be provided with a rlr-inch (12.7 mm) gypsum wall-
board membrane, s/r-inch (16 mm) wood structural panel
membrane, or equivalent on the underside of the floor fram-
ing member. Penetrations or openings for ducts, vents, elec-
trical outlets, lighting, devices, luminaires, wires, speakers,
drainage, piping and similar openings or penetrations shall be
permitted.
Exceptions:
1. Floor assemblies located directly over a space pro-
tected by an automatic sprinkler system in accor-
dance with Section P2904, NFPA 13D, or other
approved equivalent sprinkler system.
2. Floor assemblies located directly over a crawl space
not intended for storage or fuel-fired appliances.
3. Portions of floor assemblies shall be permitted to be
unprotected where complying with the following:
3.1. The aggregate area of the unprotected portions
does not exceed 80 square feet(7.4 m2) per story
3.2. Fireblocking in accordance with Section
R302. I 1 I is installed along the perimeter of the
unprotected portion to separate the unprotected
portion from the remainder of the floor assem-
blv.
4. Wood floor assemblies using dimension lumber or
structural composite lumber equal to or greater than
2-inch by lO-inch (50.8 mm by 254 mm) nominal
dimension, or other approved floor assemblies dem-
onstrating equivalent fire performance.
R302.14 Combustible insulation clearance. Combustible
insulation shall be separated not less than 3 inches (76 mm)
from recessed luminaires, fan motors and other heat-produc-
ing devices.
Exception: Where heat-producing devices are listed for
lesser clearances, combustible insulation complying with
the listing requirements shall be separated in accordance
with the conditions stipulated in the listing.
Recessed luminaires installed in the building thermal
envelope shall meet the requirements of Section Nl102.4.5 of
this code.
sEcTtoN R303
LIGHT, VENTILATION AND HEATING
R303.1 Habitable rooms. Habitable rooms shall have an
aggregate glazing area of not less than 8 percent of the floor
area of such rooms. Natural ventilation shall be through win-
dows, skylights, doors, louvers or other approved openings to J
the outdoor air. Such openings shall be provided with ready
access or shall otherwise be readily controllable by the build-
ing occupants. The openable area to the outdoors shall be not
less than 4 percent of the floor area being ventilated.
Exceptions:
1. The glazed areas need not be openable where the
opening is not required by Section R310 and a
whole-house mechanical ventilation system is
installed in accordance with Section M1507.
2. The glazed areas need not be installed in rooms
where Exception I is satisfied and artificial light is
provided that is capable of producing an average
4. One thickness of 3/o-inch (19.1 mm) particleboard
with joints backed by 3lo-inch (19.1 mm) particle-
board.
5. One-half-inch (I2.7 mm) gypsum board.
**
2015 INTERNATIONAL RESIDENTIAL CODE@ 55
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illumination of 6 footcandles (65 lux) over the area
of the room at a height of 30 inches (762 mm) above
the floor level.
3. Use of sunroom and patio covers, as defined in Sec-
tion R202, shall be permitted for naturalventilationif
in excess of 40 percent of the exterior sunroom walls
are open, or are enclosed only by insect screening.
R303.2 Adjoining rooms. For the purpose of determining
light and ventilaticn requirements, any rocm shall be ccnsid-
ered to be a portion of an adjoining room where not less than
one-half of the area of the common wall is open and unob-
structed and provides an opening of not less than one-tenth of
the floor area of the interior room and not less thanZl square
feet (2.3 nf).
Exception: Openings required for light or ventilation shall
be permitted to open into a sunroom with thermal isolation
or a patio cover, provided that there is an openable area
between the adjoining room and the sunroom or patio
cover of not less than one-tenth of the floor area of the
interior room and not less than 20 square feet (2 m2;. The
minimum openable area to the outdoors shall be based
upon the total floor area being ventilated.
R303.3 Bathrooms. Bathrooms, water closet compartments
qnrl nfhcr cimiler rnnmq chall he nrnrrirled rxrith aooreonf e. slaz--oo_-o--- o^--
ing area in windows of not less than 3 square feet (0.3 m2), one-
half uf whi'Jh must bc openable.
Exception: The glazed areas shall not be required where
artificial light and a local exhaust systcm arc providcd.
The minimum local exhaust rates shall be determined in
accordance with Section M1507. Exhaust air from the
space shall be exhausted directly to the out4oors.
R303.4 Mechanical ventilation. Where the air infiltration
I rate of adwelling unitis 5 air changes per hour or less where
tested with a blower door at a pressure of 0.2 inch w.c (50 Pa)
in accordance with Section Nl102.4.1.2, the dwelling unit
shall be provided with whole-house mechanical ventilation in
accordance with Section M1507.3.
R303.5 Opening location. Outdoor intake and exhaust open-
ings shall be located in accordance with Sections R303.5.1
and R303.5.2.
R303.5.1 Intake openings" Mechanical and gravity out-
door air intake openings shall be located not less than 10
feet (3048 mm) from any hazardous or noxious contami-
nant, such as vents, chimneys, plumbing vents, streets,
I alleys, parking lots and loading docks.
For the purpose of this section, the exhaustfuom dwell-
in6 unit toilet rooms, bathrooms and kitchens shall not be
considered as hazardous or noxious.
Exceptions:
1 Tha 1O-fnnf 1'lO/R mm l ccnqrqf inn ic nnf renrrirerltv aaa"t/
where the intake opening is located 3 feet (914
mm\ nr orc^tpr helnrrr fhe cnntqmi nent cnrrrceulrrl vr
2. Vents and chimneys serving fuel-burning appli-
ances shall be terminated in accordance with the
applicable provisions of Chapters 18 ano24.
3. Clothes dryer exhaust ducts shall be terminated in
accordance with Section M1502.3.
R303.5.2 Exhaust openings. Exhaust air shall not be
directed onto walkways.
R303.6 Outside opening protection. Air exhaust and intake
opening,s that terminate outdoors shall be protected with cor-
rosion-resistant screens, louvers or grilles having an opening
size of not less thatl/oinch (6 mm) and a maximum opening
size of tlrinch (13 mm), in any dimension. Openings shall be
protected against local weather conditions. Outdoor air
exhaust and intake openings shall meet the provisions for
exterior wall opening protectives in accordance with this
code.
R303.7 Interior stairway illumination. Interior stairways
shall be provided with an artificial light source to illuminate
the landings and treads. The light source shall be capable of
illuminating treads and landings to levels of not less than 1
foot-candle (11 lux) as measured at the center of treads and
landings. There shall be a wall switch at each floor level to
control the light source where the stairway has six or more
risers.
Exception: A switch is not required where remoteo central
or automatic control of lighting is provided.
R303.7.L Light activation. Where lighting outlets are
installed in interior stairways, there shall be a wall switch
at each floor level to control the lighting outlet where the
stairway has six or more risers. The illumination of exte-
rior stairways shall be controlled from inside the dwelling
unit.
Exception: Lights that are continuously illuminated or
automatically controlled.
R303.8 Exterior stairway illumination. Exterior stairways
shall be provided with an artificial light source located at the
top landing of the stairway. Exterior stairways providing
access to a basement from the outdoor grade level shall be
provided with an artificial light source located at the bottom
landing of the stairway.
R303.8.1 Sunroom additions" Required glazed openings
shall be permitted to open into sunroom additions or patio
covers that abut a street, yard or court if in excess of 40
pcrcent of the exterior suffoom walls are open, or are
enclosed only by inseet screening, and the ceiling height
of the sunroom is not less than 7 feet (2134 mm).
R303.9 Required heaiing. Where the winier design iempera-
ture in Table R301.2(1) is below 60'F (16"C), every dwelling
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taining a room temperature of not less than 68'F (20'C) at a
point 3 feet (914 mm) above the floor and 2 feet (610 mm)
from exterior walls in habitable rooms at the design tempera-
ture. The instaiiation of one or more portabie space heaters
shall not be used to achieve compliance with this section.
56 ^AhEOzu tc ilI I El-$rA I lvtrAl nEitruErt I IAL vvvE
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cvlindor lillsd
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bulk truck
5&147
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ft
Central AC
comoressor
(source'ot ignllion)
s ft (min)
(Note 1)
(mln)
{Note 3)
not filled
Crawl space opening,
windows, or exhaust lan
For Sl unils, 1 ft = 0.3048 m.
Notes:iii'i ti mtnimum lrom relief valve in any dir€ction away from any exterior source of ignilion, openings into direct-v€nl appllances'
br'mechanical venlilation air inlal€s. Refer to Table 6'4'4'3'
idi ii1r,jlvifi6u, id'tiiieo ai tnJ po]ni of use lrom a cargo.tank motor vehicle, the tllling conn€ction and vent valve must be al lsast
ii tr iio, i,ry **terior sourceiii!l'iti"nl "pri"ing$
into-direct-vent appliances, or mgchanlcal ventilation air intakes. Refer to 6.4.4'3.
(3) Refer to 6.4.4.3.
A FIGLRE I.l (a) Cyhnders. (Figw for iltusnatiae prposes only; cocle cortpliance reEuired'. )
the point ot use
'10 ft (min)
{Note
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,A HGURE I.l(b) Aboveground ASME Containers, (Figtrefor iltustratiae pt$Poses onlyi eode compliance required..)
central AC
(source
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ANNEX I 58.14
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Window air
ntake to direct-
10 ft (min)
(Note 1)
/'l0 ft
(Note 1)
10 ft (min)
(Note 2)Central AC
complessol
(source of ignition)
Crawl space opening,
window, or exhaust fan
|*-*_10 ft (min)I (Note 2)-,,r '-------*z
: /''W.g.
....
For sr unirs, 1 ft - 0.3048 m. -"/u-fr:fttffllltt " "djoining
propettv that can be
Notes:
t1) Tie rstigl valve, tiiling ognnection, and lixed maximum liquid level gquge_v€nl conneolion al the sontainor mu$t be at least 10 lt fiom any sxterior
iiuii[ or ig;itibn, bpeniid'Jlnio Jiieir-venr appllances, or niechanicaf ventllation alr intakes. B€fer to 6.4.4'4.
{e} No p6rr ot an unoergr;;ni';o*;iiilii.in 66 rE"*ih;n i0 tt tram an lrnportanl builcllng or llne ofad,oining property that can be built upon.
RefertoTable 6.4.1.1.
A FIGLiRE I.l (c) Underground ASME Contain ers. (Figare for illastrotive purpascs only; code complionce tequired')
al.Shatletl r.r:xt=Revisious. A -'li:xtdclctionsandfigure/table revisi.ons. ' =section deleiions' N=Newmaterial'2020 Edltior
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the devices in each row shall be staggered for a spacing ofno more than 24 inches on center
measured parallel with the exterior wall line. Continuous snow barriers shall be secured to
roof framing at no more than 48 inches on center. Continuous baniers shall be installed
parallel with the exterior wall line and no more than 24 inches from the edge ofthe roof or
eave.
33. Section R908.1 is amended to read as follows:
R908.1 General. Materials and methods of application used for re-covering or
replacing an existing roof covering shall comply with the requirements of
Chapter 9. A separate permit is required for re-roofing. Exceptions remain.
34. Section Rl004 is amended to delete Sec. R1004,4.
35. Section R1005 is amended by adding new subsection to read as follows:
R1005.8 Factory-built chimney chases shall be eflectively fire blocked within the chase
enclosure at each floor-ceiling level and at the roof. The vertical distance between adjacent
fire blocking shall not exceed 10 feet.
36. Replace Chapter I I Energy Efficiency from the 2015 IRC with Chapter I I 2009IRC
37. Section M1308 is arnended to add the following:
M1308.3 LPG (liquid petroleum gas) appliances. LPG appliances shall not be installed
in a pit, basement or similar location where heavier than air gases collect unless such
location is provided with an approved means for removal of unburned gas. The policy in
Garfield County to approve such a means is as follows:
l. An untrapped drain with a minimum diameter of 4 inches located in the lowest area
where heavier than air vapors may colleet is to run with a continuous slope to an
exterior area, which is not within a depression or recessed below the adjacent tenain.
2. The area of termination is to be determined by the building inspector as likely to remain
free of standing water, ise and other debris that may prevent the flow and dissipation of
unbumed gas.
3. The upper inlet and the termination of the drain are to be provided with protection from
the entry of debris or animals, which may cause blockage of the drain.
38. Section M1401 is amended to add the following subsection:
Mf 401.6 LPG Fuel. See Sec. M1308.3 on using LPG appliances in a pit or basement.
39. Section M2001 is amended to add the following subsection:
M2001.5 LPG Fuel. See sec. M1308.3 0n using LPG appliances in a pit or basement,
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40. Section G2404 is amended to add the following subsection:
G2404.12 LPG Fuel. See Sec. M1308.3 on using LPG appliances in a pit or basement.
41. Section G2406.2is amended to .eal as follows:
1. G2406.2 Prohibited locations. Appltances shall not be located in sleeping rooms,
bathrooms, toilet rooms, storage closets or surgical rooms, or in a space that opens only into
such rooms or spaces, except where the installation complies with one of the following:
1. The appliance is a direct-vent appliance installed in accordance with the
conditions of the listing and the manufacturer's instructions.
2. Vented room heaters, wallfurnace.r, vented decorative appliances, vented
gas tir eplaces, vented gas fireplace heaters, and decorative appli anc es for
installation in vented solid fuel-bwningfireplaces arc installed in rooms
that meet the required volume criteria of Section A2407.5.
3 . The appliance is installed in a room or space that opens only into a bedroom
or bathroom, and such room or space is used for no other purpose and is
provided with a solid weather-stripped door equipped with an approved
self-closing device. All combustion air shall be taken directly from the
outdoors in accordance with Section G24A7.6
42. Section G2417.4.7 is amended to read as follows
G2411.4.1 Test pressure. The test pressure to be used shall be not less than one
and one-half times the proposed maximum working pressure, but not less than
l0 psig, irrespective of design pressure. Where the test pressure exceeds 125
psig, the test pressure shall not exceed a value that produces a hoop stress in the
piping greater than 50 percent of the specified minimum yield strength of the
pipe.
43. Section G2433 Log Lighters is amended to add the following:
G2433.1General. Log lighters are prohibited.
44. Section G2445 Unvented Room Heaters is hereby deleted in its entirety. Unvented
heaters are not allowed,
45. Section P260l.l is amended to read as follows:
P260l.l Scope. The provisions of this chapter shall establish the general administrative
requirements applicable to plumbing systems and inspectionrequirements ofthis code. The
intent ofthis code is to meet or exceed the requirements ofthe State of Colorado Plumbing
Code. When technical requirements, specifications or standards in the Colorado Plumbing
L6
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Code conflict with this code, the more restrictive shall apply
46. Section P2603.5.1 is completed by adding 12 in the first [] and l8 in the second set of [].
47. Section'P2910.1and 291 i.I are amended by adding the following section:
P2910.1 .l (2gl1.i) At the time of amendment development, state ptumUing code, health
code and state water law were being reviewed for use of grey water in Colorado. Section
P2910 and2911 must be in compliance with all state requirements.
48. The entire Part VIII Electrical Chapters 34-43 is deleted. All electrical work shall be
done in accordance with the State of Colorado Electrical Inspector,
49. The following Appendixes are adopted:
Appendix E Manufactured Housing Used as Dwellings
Appendix F Passive Radon Gas Controls is adopted for tested structures with radon
issues.
Appendix G Pipe Standards for various Applications
Appendix H Patio Covers.
Appendix J Existing Buildings and Structures
Appendix M Home Day Care-R-3 Occupancy is adopted. When there is a conflict with
State of Colorado regulations, State regulations rule.
Appendix R Light Straw-Clay Construction
Appendix S Strawbale Construction is adopted.
Appendix V Tiny Homes ICC R8168-16 is adopted'
ru. 2015_U{TEB$IATIONA!_B_UILDING q-qDE (l.B.C.)
A. Additions and Modifications: The Sections of the I.B.C. are adopted subject to the
following additions or modifications:
1. Section 101.1 is amended to read as follows:
101.1 Titlc. This code shall be known as the Cammercial Building Code of Garfreld
County, Colorado. This code shall apply to all of the unincorporated area of Garfield
County, Colorado.
2. Section 104.1 is amended to read as follows
104.1 General The building official or any authorized representative, is hereby authorized
and directed to enforce all of the provisions of this code; however, a guarantee that all
buitdings and structures have been constructed in accordance with all ofthe provisions of
this code is neither intended nor implied. The building olficial shall have the authority to
render interpretations of this code and to adopt policies and procedures in order to clarify
L7
LIOUEFIED PETROLEUM GASES
sEcTloN 6104
LOCATION OF LP.GAS CONTAINERS
6104.1General. The storage and handling of LP-gas and the
installation and maintenance of related equipment shall com-
lrith TI\XFPA's8 a-nd besu-bjeet to the approval-af the f,ire
6104.3 Container location. LP-gas containers shall becodefficial, except as provided in this chapter
6104.2 Maximum capacity within estatrlished limits.located with respect to buildings, public ways and lot lines of.
Within the limits established by law restricting the storage of adjoining property that can be built upon,in accordance with
liquefied petroleum gas for the protection of heavily popu-Table 6104.3.
6104.3.1 Installation on roof prohibited. LP-gas con-
tainers used in stationary installations shall not be located
on the roofs ofbuildings.
6104,3.2 Special hazards. LP-gas containers shall be
located with respect to special hazards including, but not
limited to, above-ground flammable or combustible liquid
lated or congested areas , the aggregate caPacitY of anY one
installation shall not exceed a water capacity of 2,000 gallons
eration of special features such as topographical condi-
tions, nature of occupancy, and proximity to buildings,
capacity of proposed LP-gas containers, degree of fire pro-
tection to be provided and capabilities of the local fire
(7570L) (see Section 3 of the Sample Legislation for Adop-
tion of the International Fire Code on page xxi).
Exception; In particular installations, this capacity limit
shall be determined by the fire code fficial, after consid-
TABLE 6104,3
LOCATION OF LP-GAS CONTAINERS
LP.GAS CONTAINER CAPACITY
(water gallons)
MINIMUM SEPARATION BETWEEN LP.GAS CONTAINEBS AND
BUILDINGS, PUBLIC WAYS OR LOT LINES OF ADJOINING
PROPERTY THAT CAN BE BUILT UPON MINIMUM SEPABATION
BETWEEN LP-GAS CONTAINERSb' "
(feet)Mounded or underground
LP-gas containers'
(feet)
Above-ground
LP-gas containersb
(feet)
Less than 125"'d t0 5"None
125 to 250 10 10 None
251 to 500 10 10 3
501 to 2,000 10 25't 3
2,001 to 30,000 50 50 5
30,001 to 70,000 50 75
(0.25 of sum of diameters of
adjacent LP-gas containers)70,001 to 90,000 50 100
90,001 to 120,000 50 125
For SI: I foot = 304.8 mm, i gallon = 3.785 L'
a. Minimum distance for undJrgr.ound Lp-gas containers shall be measured from the pressure relief device and the filling or iiquid^level gauge vent connection
at the container, except that JL parts of ai unclerground LP-gas container shall be not less than 10 feet from a building or lot line of adjoining property that can
be built upon.
b. For other than instaliations in which the overhanging stmcnrre is 50 feet or more above the relief-valve discharge outlet. In applying the distance between
buiidings and ASME Lp-gas containers with a warer capaciry of 125 gallons ormore, not less than 50 percent ofthis horizontal distance shall also apply to all
portioni of the building tliJproject more rhan 5 feet from the building wall and that are higher than the relief valve discha'ge outlet. This horizontal distance
shall be measured f.ollr
"poiniOetennined
by projecting the outsidtedge of such overhanging structure vertically downward to grade ol other level upon
which the Lp-gas containei is installed. Distancis to the builcling wall shall be not less than those prcscribed in this table
c. where underground multicontainer instaliations are composed of individual.LP-gas containers having a water capacity of [25 gallons ot tnote, such
containers shall be installed so as to provide access at their ends or sides to facilitate working with cranes or hoists.
d. At a consumer site, if the aggrcgate water capacity of a multicontainer installation, comprised of individual LP-gas containers having a watel capacity of less
than 125 gallons, is 500 gjions"or more, the minimum distance shall comply with the appropdate portion of Tabie 6104.3, applying the aggr€gate capacity
rather than the capacity per Lp-gas container. If more than one such installation is made, each installation shall be separated fiom othel installations by not
less than 25 feet. Minimum distances between LP-gas containers need not be applied.
e. The fotlowing shall apply to above-gfound containets installed alongside buildings:
1. Lp-gas containers of less than a I25-gallon water capacity are allowed next to the building they serve where in compliance with Items 2, 3 and 4.
2. Department of Transportation (DoTn) specification LP-gas containers shall be located and installed so that the discharye ffom the containel pressule
reliefdevice is not less than 3 feet horizontally from building openings below the level ofsuch discharge and shall not be beneath buildings unless the
space is well ventilated to the outside and is not enclosed for more than 50 percent of its perimeter. The dischalge from LP-gas container pressure relief
devices shall be located not less than 5 feet from exterior sources of ignition, openings into dircct-vent (sealed combustion system) appliances or
mechanical ventilation ail intakes.
3. ASMELp-gascontainersoflessthanal25-gallonwatercapacityshallbelocatedandinstalledsuchthatthedischargefrompressnrereliefdevicesshall
not terninate in or beneath buiidings and shall be located not less than 5 feet horizontally from building openings below the level of such discharge and
not less than 5 feet from exterior iources of ignition, openings into direct vent (sealed combustion system) appliances, or mechanical ventilation air
intakes.
4. The filling connection a1d the vent from liquid-level gauges on either DOTn or ASME LP-gas containers filled at the point of installation shall be not less
than l0feetfl.omexteriorsourcesofignition,openingsintodirectvent(sealedcombustionsystem)appliancesormechanicalventilationailintakes.
f. This distance is allowed to be reduced to not less than 10 feet for a single LP-gas container of 1,2OO-gallon water capacity or less, provided such containet is
not less thali 25 feet frorn othel LP-gas containers of mole than I 25-gallon watef capacity'
4s8 20IS |NTERNAT|ONAL FIRE CODE@
Colleen Wirth
From:
Sent:
To:
Colleen Wirth
Wednesday, March 6,2024 7:40 AM
Colleen Wirth
BLRE-02-24-8525 - plat researchSubject:
Matthies Exemption Plat, Lot 2
Reception 47[OSL
BLRE-02-24-8525
Performed research from home
Colleen Wirth
Building Plans Examiner
Garfield County Community Development
108 8th Street, Suite 401
(970) 945-1377 ext L61O
cwi rth @ga rfi e ld-co u nty.com
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