2001-447 ORDINANCE NO ~{~0/- ~t//~
AN ORDINANCE OF THE CITY OF DENTON, TEXAS AMENDING SECTION 28-
27 OF THE CODE OF ORDINANCES TO PROVIDE FOR THE ADOPTION OF THE
2000 INTERNATIONAL BUILDING CODE, 2000 INTERNATIONAL
RESIDENTIAL CODE FOR ONE AND TWO FAMILY DWELLINGS, 2000
INTERNATIONAL FUEL GAS CODE, 2000 INTERNATIONAL PLUMBING CODE,
2000 INTERNATIONAL MECHANICAL CODE, AND THE 2000 INTERNATION
ENERGY CONSERVTION CODE, ALL PUBLISHED BY THE iNTERNATIONAL
CODE COUNCIL, PROVIDING FOR AMENDMENTS THERETO, PROVIDING FOR
A PENALTY FOR VIOLATION OF A FINE NOT TO EXCEED $2,00000,
PROVIDING FOR A SEVERABILITY CLAUSE, REPEALING ALL ORDINANCES
IN CONFLICT THEREWITH, AND PROVIDING FOR AN EFFECTIVE DATE
SECTION 1 That Chapter 28, Section 28-27 of the Code of Ordinances of the
Caty of Denton m hereby amended so that smd section shall hereafter be and read as
follows Adoption of the building code The International Bmld~ng Code, 2000 E&t~on,
as pubhshed by the Intemataonal Conference of Bml&ng Officials, a copy of whmh shall
be filed m the Office of the C~ty Secretary and available for pubhc anspect~on, as hereby
adopted and designated as the building code for other than 1 & 2 family dwelhngs for the
caty, the same as though the edltaon of such code were copied at length hereto subject to
the deletions and amendments enumerated in sectaon 28-28, That Chapter 28, Sectaon 28-
33 of the Code of Or&nances of the Caty of Denton ~s hereby added so that smd seetaon
shall hereafter be and read as follows Adoption of the resldentml code The International
Remdenttal Code, 2000 edltaon as pubhshed by the Intematmnal Code Council, a copy of
which shall be filed ~n the Office of the Caty Secretary and avmlable for pubhc
mspectaon, as hereby adopted and demgnated as the remdentml code for the mty, the same
as though the edition of such code were copaed at length here~n subject to the deletaons
and amendments enumerated m section 28-34 That Chapter 28, Section 28-123 of the
Code of Ordinances of the City of Denton is hereby added so that smd sectaon shall
hereafter be and read as follows Adoption of the fuel gas code The Intemataonal Fuel
Gas Code, 2000 e&t~on as pubhshed by the International Code Council, a copy of wtuch
shall be filed m the Office of the Caty Secretary and avmlable for pubhc inspection, ~s
hereby adopted and demgnated as the fuel gas code for the caty, the same as though the
edat~on of such code were copaed at length here~n subject to the deletions and
amendments enumerated m section 28-124 That Chapter 28, Section 28-144 of the Code
of Ordinances of the City of Denton is hereby amended so that smd sectaon shall hereafter
be and read as follows Adoption of the plumbing code The Intemataonal Plumbing
Code, 2000 edataon as pubhshed by the International Code Council, a copy ofwhmh shall
be filed an the Office of the City Secretary and avmlable for pubhc anspectlon, is hereby
adopted and demgnated as the plumbing code for the mty, the same as though the e&taon
of such code were cop~ed at length herean subject to the deletions and amendments
enumerated ~n section 28-145 That Chapter 28, Section 28-251 of the Code of
Ordinances of the Caty of Denton is hereby amended so that smd sectaon shall hereafter
be and read as follows Adoptaon of the mechanmal code The Intemataonal Mechanmal
Code, 2000 e&t~on as pubhshed by the International Code Councd, a copy of which shall
be filed in the Office of the Caty Secretary and avmlable for pubhc mspectaon, is hereby
adopted and designated as the mechamcal code for the mty, the same as though the
edmon of such code were cop~ed at length herein subject to the deletions and
amendments enumerated in section 28-252 That Chapter 28, Section 28-253 of the Code
of Orchnances of the C~ty of Denton ~s hereby added so that smd section shall hereafter be
and read as follows The International Energy Conservation Code, 2000 edition as
pubhshed by the Intematmnal Code Council, a copy of which shall be filed ~n the Office
of the City Secretary and available for pubhc ~nspectlon, ~s hereby adopted and
designated as the energy code for the mty, the same as though the ed~tmn of such code
were copied at length herein subject to the deletions and amendments enumerated in
section 28-254
Section 28-28 ~s hereby amended to read as follows
(1) Seetton 101.4, change to read as follows.
101.4 Referenced codes. The other codes hsted in Sections I01 4 1 through 101 4 7 and
referenced elsewhere ~n th~s code, when specifically adopted, shall be considered part of
the requirements of this code to the prescribed extend of each such reference Whenever
amendments have been adopted to the referenced codes and standards, each reference to
smd code and standard shall be considered to reference the amendments as well Any
reference to NFPA 70 or the ICC Electrical Code shall mean the Electrical Code as
adopted
(2) Section 109.3 5; delete.
(3) Section 202; add a new defimtton to read as follows
HIGH-RISE BUILDING xs a bmldmg hawng floors used for human occupancy located
more than 55 feet (16 764 mm) above the lowest level of fire department vehmle access
(4) Table 302.3.3, footnote e, change to read as follows
e Assembly uses accessory to Group E Occupancy must comply with the provlmons for
Group A Occupancy but for the purpose of Section 302 3 are not considered separate
occupancies
(5) Section 403.1; change to read as follows:
403.1~ Appheability. The provisions of th~s section shall apply to bmld~ngs having
occupied floors located more than 55 feet (22 860 16 764 mm) above the lowest level of
fire department vehmle access
(6) Section 403.1, exception #3: change to read as follows:
3 Bmldlngs w~th an occupancy in Group A-5 in accordance with Sectmn 303 1 when
used for open mr seatmg, however, thas exception does not apply to accessory uses
including but not hm~ted to sky boxes, restaurants and similarly enclosed areas
(7) Sactton 403.2, exceptton #2, delete.
(8)Section 406.6.1; add a second paragraph to read as follows.
Page 2
Th~s occupancy shall include garages ~nvolved ~n servm~ng of motor vehicles for ~tems
such as lube changes, inspections, w~ndshmld repmr or replacement, shocks, minor part
replacement and other such non-major repatr When the repmr garage ~s only ~nvolved ~n
such minor repair, it need not comply with Section 406 6 2
(9) Section 506.2.2; add a sentence to read as follows
In order to be considered as accessible, ffnot ~n direct contact with a street or fire lane, a
mlmmum 10-foot w~de pathway from the street or approved tim lane must be prowded
(See Internattonal Ftre Code Section 503 1 1 for hose lay measurement pathway
mqmrements )
(I0) Sectton 705.11; change the exceptton to read as follows
Exeelffion: For other than hazardous exhaust ducts, penetrations by ducts and mr transfer
openings of fire walls that are not on the lot hne shall be allowed prowded the
penetrations comply with Sections 711 and 715 The s~ze and aggregate w~dth of all
openings shall not exceed the hm~tat~ons of Section 705 8
(11) Section 715.5.2, add exceptton #4 to read as follows
4 In the duct penetration of the separation between the private garage and its residence
when constructed in accordance w~th Section 302 3 3, exceptions #2 and 3
(12) Section 901.3. Amend Amend Bmld~ng Officml to read F~re Marshal or h~s
representative
(13) Section 901.5' Amend. Amend Bmld~ng Offimal to read F~re Marshal or his
representative
(14) Section 901 6.3 Amend Amend Bmld~ng Offimal to read F~re Marshal or his
representative
(15) Sections 902 - 908 & Section 910 shall conform to the requtrements of the 2000
International Ftre Code.
(16) Section 1005.2.1, change to read as follows
1005.2.1 Minimum number of ex~ts. Every floor area shall be prowded w~th the
minimum number of approved independent exits as reqmred by Table 1005 2 1 based on
the occupant load, except as modffied m Sectmn 1004 2 1 or 1005 2 2 For the purposes
of th~s chapter, occupied roofs shall be prowded w~th ex~ts as reqmred for floors The
reqmred number of ex,ts from any story, basement or mthwdual space shall be
mmntamed until amval at grade or the pubhc way
(17) Section 1101.2; add an exception to read as follows.
Exception: Bmld~ngs regulated under State Law and bruit in accordance w~th State
certified plans, including any variances or waivers granted by the State, shall be deemed
to be m comphanee w~th the reqmrements of th~s Chapter
(18) Sectton 1108 2.1; change to read as follows
Page 3
1108.2.1 Unisex toilet and bathing rooms. In assembly and mercantile occupancies, an
accessible unisex toilet room shall be prowded where an aggregate of six or more male
and or, female water closets are reqmred provided In bmldmgs of mixed occupancy, only
those water closets required for the assembly or mercantile occupancy shall be used to
determine the unisex to~let room reqmrement In recreational fatalities where separate-sex
batlung rooms are provtded, an accessible umsex bathing room shall be provided
F~xtures located within unisex toilet and bathing rooms shall be included m determining
the number of fixtures provided in an occupancy
(19) Section 1209 2, exceptton #2; change to read as follows'
2 Todet rooms that are not accessible to the pubhc and which have not more than one
water closet, provided that walls around unnals comply with the minimum surrounding
material specified by Section 419 3 of the Internattona! Plumbing Code
(20) Section 1403.3; change to read as follows
1403.3 Vapor retarder An approved interior noncorrod~ble vapor retarder shall be
prowded In all framed walls, floors and roof/cethngs comprising elements of the
building thermal envelope, a vapor retarder, when installed, shall be installed m a manner
so as to not trap mmsture Vapor retarders shall be tested in accordance with ASTM E 96
(Delete all exceptwns )
(21) Table 1505.1; replace footnotes b and c with the following.
b All lndavldual replacement stungles or shakes shall be in comphance w~th the rating
required by this table
c Non-classified roof covenngs shall be permitted on bmldmgs of U occupanmes having
not more than 120 sq ft of proJected roof area When exceeding 120 sq ft of projected
roof area, bmldlngs of U occupancies may use non-rated non-combustible roof coverings
d Untreated or flre-retardant treated wood shingles or shakes shall be prohibited
Excel~t~on The roof covenng on existing dwelhngs and structures w~th wood shingles or
shakes may be repmred w~th factory treated fire-retardant wood shingles or shakes or
additions to these structures may be made w~th factory treated fire- retardant wood
shingles or shakes
(22) Sectton 1505. 7; delete
(23) Add Section 2308 2.3 to read as follows:
2308.2.3 Appheation to engineered design. When accepted by the code officml, any
portion of this sectmn is permitted to apply to bmldmgs that are otherwzse outside the
hmltatmns of th~s section prowded that
1 The resulting design will comply w~th the requirements specffied in Chapter 16,
2 The load hmxtat~ons of various elements of this section are not exceeded, and
3 The portions of ttus section which w~ll apply are ~dentffied by an engineer m the
construction documents
(24) Section 2901 1; add a sentence to read as follows'
Page 4
The promslons of this Chapter are meant to work ,n coordination w,th the prov,slons of
Chapter 4 of the Internatmnal Plumb,ng Code Should any confl,cts arise between the
two chapters, the Code Official shall detenmne which provision applies
(25) Seetton 2902 1, change to read as follows
2902.1 Minimum number of fixtures. Plumb,ng fixtures shall be provided for the type
of occupancy and m the mimmum number as follows
1 Assembly Occupancies At least one dnnkmg fountmn shall be prov,ded at each floor
level in an approved location
Exception' A dnnklng fountmn need not be provided ,n a drlnk,ng or dining
establishment
2 Groups A, B, F, H, I, M and S Occupancies Bmldlngs or portmns thereof where
persons are employed shall be provided w,th at least one water closet for each sex except
as provided for in Sect,on 2902 2
3 Group E Occupanc,es Shall be provided with fixtures as shown ,n Table 2902 1
4 Group R Occupancies Shall be provided w~th fixtures as shown ,n Table 2902 1
It is recommended, but not mqmred, that the m,mmum number of fixtures prowded also
comply with the number shown in Table 2902 1 Types of occupanmes not shown ,n
Table 2902 1 shall be considered lnchvldually by the bmld~ng code official The number
of occupants shall be determined by th,s code Occupancy classfficatlon shall be
determined ~n accordance w~th Chapter 3
2902 1 1 Finish materml. Flmsh matenals shall comply w,th Section 1209
2902.2 Umsex toilet and bath fixtures. Fixtures located w~th~n umsex to,let and bathing
rooms complying with Chapter 11 is permitted to be included ~n determ~mng the
minimum required number of fixtures for assembly and memantlle occupancies
$ectton 28-34. Deletton and Amendments ,s added to read
The following sections of the residential code adopted by sect,on 28-32 are amended to
read as follows
(1) R102 4 Referenced codes and standards The codes, when specffically adopted, and
standards referenced m this code shall be cons,tiered part of the reqmrements ofth, s code
to thc prescribed extent of each such reference Whenever amendments have been
adopted to the referenced codes and standards, each reference to sa,d code and standard
shall be considered to reference the amendments as well Arty reference made to NFPA
70 or the ICC Electrtcal Code shall mean the Electrical Code as adopted Where
differences occur between provisions of this code and referenced codes and standards, the
prov,slons of this code shall apply
Exception. Where enforcement of a code prows,on would violate the contht,ons of the
hstmg of the equipment or apphance, the cond,tlons of the hstmg and manufacturer's
instructions shall apply
(2) $ectton R105.2, item gl and #2; change as follows
Page 5
1 One-story detached accessory structures, provided the floor area does not exceed 120
square feet (18 58 11 15 m 2)
2 Delete
(3) Section R109.1.3; change to read as follows
R109.1.3 Floodplam inspections. For construction permitted in areas prone to floodtng
as estabhshed by Table R301 2(1), upon placement of the lowest floor, meludmg
basement, and prior to further verttcal eonstructton, the building offictal may shall requtre
submission of a certification, prepared by a registered professional engineer or land
surveyor, of the lowest floor, mcludmg basement, reqmred m Sectton R327
(4) Sectton R1JO (RllO 1 through RllO 4); delete
(5) Section Rl12 2.2; delete
(6) Sectton R202, change definttton of "Townhouse" to read as follows
TOWBIHOUSE. A single-family dwelling unit constructed m a group of three or more
attached units separated by property lines m whtch each umt extends from foundation to
roof and wtth open space on at least two sides
(7) Table R301.2(1); fill tn as follows
Roof Snow Load Wind Setsm~c Design Category
Speed (MPH)
5 lb/ft sq 90 (3-sec-gust) 75 fastest A
mile
Subject to damage Wmter Flood
Weathenng Frost line Termite Decay Destgn Hazards
depth Temp
Moderate 6" Very Shght to 22 degrees Local code
heavy moderate F
(8) SectionR302.1; add a second exceptton as follows
Exceptions'
1 Tool and storage sheds, playhouses and s~mflar structures exempted from permits by
Section R105 2 are not requtred to provtde wall protectton based on locatton on the lot
Project~ons beyond the exterior wall shall not extend over the lot hne
2 Open metal carport structures may be constructed wtthm zero (0) feet of the property
line without fire-reslsttve or opanmg protection when the locatton of such ts approved as
required by other adopted ordinances
(9) Section R303.3, exception; change to read as follows
Exception: The glazed areas shall not be requtred where arttficlal light and a mechanical
ventilation system, complying with one of the followmg, are provtded
Page 6
1 The m~mmum ventilation rates shall be 50 cfm (23 6 L/s) for ~ntermlttent ventilation or
20 cfm (9 4 L/s) for continuous ventilation Ventilation mr from the space shall be
exhausted d~rectly to the outside
2 Bathrooms that contmn only a water closet, lavatory or combination thereof may be
ventilated with an approved mechanmal remrculatlng fan or similar dewce designed to
remove odors from the air
(10) Section R$03.6, change to read as follows.
11303.6 Reqmred heating. When the winter design temperature in Table R301 2(1) is
below 60 degrees F(16 degrees C), every dwelling unit shall be provided w~th heating
famhties capable of mmntam~ng a minimum room temperature of 68 degrees F (20
degrees C) at a point 3 feet (914 mm) above the floor and 2 feet (610 mm)from exterior
walls tn all habitable rooms at the design temperature
(ID Seetton R314.8; change to read as follows
R314.8 Under start protection. Enclosed accessible space under stmrs shall have walls,
under stmr surface and any soffits protected on the enclosed side w~th 5/8-tach (15 8 mm)
fire-rated (12 7 mm) gypsum board or one-hour fire-res~st~ve construction
(12) Section R$21.1; add a second exeeptton to read as follows
Exceptions'
1 {Extstzngexcepttonunchanged}
2 Two-family dwelhng umts that are also d~vlded by a property hne through the structure
shall be separated as reqmred for townhouses
(13) Section R322.1, change to read as follows'
R322~1 Mmsture control. In all framed walls, floors and rooffced~ngs comprising
elemertts of the bmldmg thermal envelope, a vapor retarder, when installed, shall be
installed m a manner so as to not trap moisture on the warm-m-wrater side of the
insulation
(Delete the excepttons )
(14) 2~ectlon R327.1; change to read as follows
R327~1 General. All bmld~ngs and structures, when permitted to be erected ~n areas
prone to flooding as ~dentffied m Table R301 2(1) and classified as e~ther flood hazard
areas, (mcludmg V-Zones), shall be constructed and elevated as required by the
provlsmns contmned m this section or by other local prowslons as apphcable
(15) Section R328; added to read as follows
R328 All Occupancies. An automatm sprinkler system shall be installed throughout all
bmldmgs 7,500 sq ft or larger For the purpose of th~s prowmon, fire walls shall not
define separate bmld~ngs
(16) Section R703. 7 4 1; add a second paragraph to read as follows
Page 7
For 3~,4 square feet (0 302 m 2 ) of wall area, the following dimensions shall be adhered
to
1 When ties are placed on studs 16" o c, they shall be spaced no further apart than 29"
vertically starting approximately 15" from the foundation
2 When ties are placed on studs 24" o c, they shall be spaced no further apart than 19"
vertically starting approximately 10" from the foundation
(17) Section R 703. 7.4.2, add a second paragraph to read as follows:
When using tles that will flex when pushed, spot bedding of cement mortar shall be
installed on all t~es
(18) Add Sectton R902.3 to read as follows
R902.3 Minimum Roof Class. All roof covermgs shall be a minimum Class C All
mdlmdual replacement slungles or shakes shall be a minimum Class C
Exception: Non-classffied roof coverings shall be permitted on bmldmgs of U
occupancies hawng not more than 120 sq ft of projected roof area When exceedmg 120
sq fi of projected roof area, bmldmgs of U occupancies may use non-rated non-
combustible covenngs
(19) Sectton R9071; add a sentence to read as follows
All individual replacement shmgles or shakes shall comply with Section R902 3
(20) Sectton RlO05 2, changed to read as follows
R1005.2 Exterior mr ~ntake The exterior mr intake shall be capable of provldmg all
combustion mr from the exterior of the dwelhng or from spaces wtth~n the dwelhng
ventilated w~th outside mr such as crawl or attic spaces The exterior mr retake shall not
be located w~th~n the garage or basement of the dwelhng nor shall the mr ~ntake be
located at an elevation h~gher than the firebox The exterior mr intake shall be covered
with a corrosion-res~stant screen of 1/4 -tach mesh
(21) Sectton NllO1.2; amend as follows:
NIl01.2.1 Residentml Braidings, Type A-1 Comphance shall be demonstrated by
e~ther one of the following
1 Meeting the requirements of this chapter for bmldlngs w~th a glazing area that does not
exceed 15 percent of the gross area of exterior walls, or
2 Meeting the reqmrements of this chapter for bmld~ngs w~th a glazing area that ~s
greater than 15 pement but not exceeding 20 percent of the gross area of exterior walls
and air condlt~omng eqmpment rated 12 SEER or h~gher,
3 Meeting the reqmrements of th~s chapter for bmld~ngs with a glazmg area that ~s
greater than 20 pement but not exceeding 25 percent of the gross area of exterior walls
and air condlt~onmg eqmpment rated 14 SEER or higher, or
4 Meeting the reqmrements of the Internattonal Energy Conservation Code for
residential braidings, Type A-1
(22) Add Section Nl101.3.4 to read as follows
Page 8
Nl101.3.4 Exterior basement or slab insulation When suscept~blhty to termite damage
ts classified as "very heavy" according to Table R301 2(1), dcstgns employing basement
or slab exterior msulatmn capable of harbonng termttes shall not be utthzed
(23) Section Nl102 1 amend as follows:
Nl102.1 Thermal performance cmtena The mmtmum reqmred tnsulatlon R-value or
maximum reqmred U-factor for each element tn the bmldmg thermal envelope
(fenestration, roof/cellmg, opaque wall, floor, slab edge, crawl space wall and basement
wall) shall be tn accordance w~th the criteria m Table N101 4 2 5 of thc Internattonal
Energy Conservation Code Res~dential budding, Type A-l, wtth greater than 15-percent
glazing area, resldenttal buddtngs, Type A-2, wtth greater than 25-percent glazing area,
and any bmldmg tn chmates with HDD equal to or greater than 13,000, shall determtne
comphance using the bmldmg envelope reqmrements of the Internattonal Energy
Conservatton Code
(24) Replace Table Nl102 1 wtth:
TABLE Nl102.1
SIMPLIFIED PRESCRIPTIVE BUILDING ENVELOPE THERMAL COMPONENT
CRITERIA MINIMUM REQUIRED THERMAL PERFORMANCE (U-FACTOR AND R-
VALUE)
Maximum MINIMUM INSULATION R-VALUE ((HR-FT SQ ) *
Glazmg DEGREES F/Btu)
U-Factor Cethngs Rafter Walls Floors Basement Slab Crawl
(Btu/(hr*ftsq.* open to Assembly Walls Perimeter Space
degrees F)) Attic Walls
Space
65 R-38 R-22 R-13 R-19 R-O R-O R-O
(25) Section Nl102.2 amend as follows
Nl102.2 Maximum solar heat gain coefficient for fenestration products The area-
weighted-average solar heat gmn coefficient (SHGC) for glazed fenestration mstalled m
climate zones 1 and 2 (to a maximum of w~th less than 3,500 HDD) shall not exceed
0 40
(26) Add Seetion M1304 2 to read as follows'
M1304.2 Mmimnm burial depth. Underground fuel p~ptng systems shall be ~nstalled a
mtmmum depth of 18 tnches (458 mm) below grade
(27) Section M1305 1 3, change to read as follows'
M1305.1.3 Appliances in attics. Attics commnmg apphances requmng access shall be
provided w~th an opening and a clear and unobstructed passageway large enough to allow
removal of the largest apphance, but not less than 30 inches high and 22 tnches w~de and
not more than 20 feet tn length when measured along the centerhne of the passageway
from the opemng to the apphance The passageway shall have a continuous solid flooring
in accordance with Chapter 5 not less than 24 tnches wide A level service space at least
30 tnches deep and 30 tnches wtde shall be present along all stdes of the apphance where
Page 9
access is required The clear access opemng dimensions shall be a rmnlmum of 20 mches
by 30 inches (508 mm by 762 mm), or larger where such d~mens~ons are not large
enough to allow removal of the largest apphance As a m~nlmum, access to the attic space
shall he prowded by one of the following
1 A pgrmanent stair
2 A pttll down stair
3 An access door from an upper floor level
Exception: The passageway and level service space are not reqmred where the appliance
is capable of being serviced and removed through the required opemng
(28) Add Sectton M1505.1 5, M1305 1 $1 to read as follows
M1305.1.$ Water heaters above ground or floor When the mezzanine or platform in
which a water heater is ~nstalled ~s more than eight (8) feet (2438 mm) above the ground
or floor level, ~t shall be made accessible by a stairway or permanent ladder fastened to
the burldmg
(29) M1305.1.5 1 Whenever the mezzanine or platform is not adequately hghted or
access to a receptacle outlet is not obtainable from the main level, hghtmg and a
receptacle outlet shall be provided ~n accordance w~th Section M1305 1 3 1
(30) Section M1305.1 3 1, add a sentence to read as follows:
Low voltage wrong of 50 Volts or less shall be installed in a manner to prevent physical
damage
01) Section M1305 1.4.1, change to read as follows
M130S.1.4.1 Ground clearance. Appliances supported from the ground shall be level
and firmly supported on a concrete slab or other approved material extending above the
adjo~mng grade a m~mmum of 3 roches (76 mm) Appliances suspended from the floor
shall have a clearance of not less than 6 roches (152 mm) above the ground
(32) Section M1305. L4.3; add a sentence to read as follows
Low voltage wrong of 50 Volts or less shall be installed m a manner to prevent physical
damage
(33) Section M1307 3.1, delete.
(34) Section M1501.2; change to read as follows
M1501.2 Exhaust duct size. The minimum d~ameter of the exhaust duct shall be as
recommended by the manufacturer, and shall be at least the d~ameter of the appliance
outlet and shall be a mlmmum nominal size of 4 inches (102 mm) in dmmeter The size
of duet shall not be reduced along ~ts developed length nor at the poem of termmat~on
(35) Section M1501.3; change to read as follows
M1501.3 Length hmitation. The maximum length of a clothes dryer exhaust duct shall
not exceed 25 feet (7620 mm) from the dryer location to the wall or roof termmat~on with
not more than two bends When extra bends are installed, the maximum length of the
Page 10
duct shall be reduced 2 5 feet (762 mm) for each 45-degree (0 79 rad) bend and 5 feet
(1524 mm) for each 90-degree (1 6 rad) bend that occur after the first two bends,
measunng ~n the d~rect~on of mrflow The maximum length of the exhaust duct does not
~nclude the transition duct
(36)Sectton M1601 3.4, item gl; change to read as follows
1 Duct insulation shall conform to the reqmrements of Table M1601 3 4 and Section
N1101 2 Should there be any conflicts between th~s section and the energy effimency
provisions, the energy efficiency provisions shall take precedence A vapor retarder m
accordance with Table M1601 3 4 hawng a maximum permeance of 0 05 perm [2 87
ng/(s ra 2 Pa)] m accordance w~th ASTM E 96, or aluminum fo~l having a minimum
thmkness of 2 mils (0 051 mm), shall be installed on the exterior of insulation on coohng
supply ducts that pass through noncond~tmned spaces conducive to condensation
Insulatmns hawng a permeance of 0 05 perms [2 87 ng/(Pa s m 2 )] or less shall not be
reqmred to be covered
Page 11
(37) Add Table M1601.3.4 to read as follows
Duct Location Insulation Types Heating Insulation Types
Mechameally Zone Heating only
Cooled
On roof on exterior of braiding C,V (2) W I A & W
II B &W
III C & W
Attics, garages & crawl spaces A & V (2) I A
II A
III B
In walls (3), w~th~n floor ceiling A & V (2) I A
spaces (3) II A
III B
W~thm conditioned space or in None Reqmred None Reqmred
basements, return ducts in mr
plenums
Cement slab or w~th~n ground None Reqmred None Reqmred
Note: Where ducts are used for both heating and cooling, the minimum insulation shall
be as required for the most restrictive condition
1 Heating Degree Days
Zone I below 4,500 D D
Zone II 4,501 to 8,000 D D
Zone III over 8,000 D D
2 Vapor retarders shall be installed on supply ducts in spaces vented to the outside in
geographm areas where the summer dew pmnt temperature based on the 2 ½ percent
column of dry-bulb and mean coincident wet-bulb temperature exceeds 60 0 F (15 4 0
C)
3 Insulation may be omitted on that portion of a duct which is located w~th~n a wall- or a
floor-ceiling space where
3 1 Both sides of the space are exposed to conditioned mr
3 2 The space is not ventilated
3 3 The space ~s not used as a retum plenum
3 4 The space is not exposed to unconditioned air Cethngs which form plenums
need not be insulated
INSULATION TYPES 4
A -- A material wath an ~nstalled conductance of 0 48 [2 72 W/(m*K)] or the equivalent
thermal resistance of 2 1 [0 367 (m*K)/W]
Example of materials capable of meeting the above reqmrements
l-tach (25 mm), 0 60 lb/cu ft (9 6 kg/m 3 ) m~neral fiber, rock, slag or glass
blankets
Page 12
½-tach (13 mm), 1 5 to 3 lb/cu ft (24 to 48 kg/m 3 )mtneral fiber blanket duct
hner
V2qnch (13 mm), 3 to 10 lb/cu ft (48 to 160 kg/m 3 ) mineral fiber board
B -- A material wtth an installed conductance of 0 24 [1 36 W/(m*K)] or the equivalent
thermal resastance of 4 2 [0 735 (m*K)/W]
Example of materials capable of meeting the above reqmrements
2qnch (51 mm), 0 60 lb/cu ft (9 6 kg/m 3 ) m~neral fiber blankets
1-mch (25 mm), 1 5 to 3 lb/cu fl (24 to 48 kg/m 3 )mtneral fiber blanket duct
hner
l-tach (25 mm), 3 to 10 lb/cu ft (48 to 160 kg/m 3 )mtneral fiber board
C -- A matenal with an anstalled conductance of 0 16 [0 9 W/(m*K)] or the eqmvalent
thermal resistance of 6 3 [1 1 (m*K)/W]
Example ofmatenals capable ofmeetang the above reqmrements
3-tach (76 mm), 0 60 lb/cu ft (9 6 kg/m 3 )mtneral fiber blankets
1 V2-mch (38 mm), 1 5 to 3 lb/cu ft (24 to 48 kg/m 3 ) maneral fiber blanket duct
liner
1 ½-1nch (38 mm), 3 to 10 lb/cu ft (48 to 160 kg/m 3 ) mineral fiber board
V --Vapor Retarders Material wath a perm rattng not exceeding 0 05 perm [29
ng/Pa*s*m 2 ] All joints to be sealed
W - Approved weatherproof bamer
4 The example of matenals lasted under each type is not meant to limit other available
thmkness and densaty combtnataons wtth the eqmvalent ~nstalled conductance or
resastance based on the ~nsulat~on only
(38) Section M2005 2; change to read as follows
M2005.2 Prohibited locations. Fuel-fired water heaters shall not be installed in a room
used as a storage closet Water heaters located tn a bedroom or bathroom shall be
tnstalIed m a sealed enclosure so that combustton mr will not be taken from the hwng
space Access to such enclosure may be from the bedroom or bathroom when through a
sohd door, weather-stripped in accordance with the exterior door air leakage
requirements of the Internattonal Energy Conservaaon Code and eqmpped wtth an
approved self-closing devace Direct-vent water heaters are not reqmred to be tnstalled
wtthln an enclosure
(39) Sectton G2403, amend deflnitton of "Unvented Room Heater" to add a sentence
to read as follows.
For the purpose of installation, thts defimtlon shall also mclude "Unvented Decorative
Apphances"
(40) Sectton G2407.15, item #1, change the exceptton to read as follows.
Exception: Unobstructed stud and .lmst spaces wtthln dwelhng units shall not be
prohabated from eonveytng combustaon atr, provtded that not more than one required
fireblock ts removed
(41) Section G2408.3, detete
Page 13
(42) Sectton G2411.5; add a second paragraph to read as follows.
Both ends of each section of medium pressure corrugated stainless steel tubing (CSST)
shall ~dentffy ~ts operatmg gas pressure w~th an approved tag The tags are to be
composed of aluminum or stamless steel and the following wording shall be stamped ~nto
the tag
"WARNING 1/2 to 5 ps~ gas pressure Do Not Remove"
(43) Section G2412.3; add an exceptton to read as follows
Exceptmn: Corrugated stainless steel tubing (CSST) shall be a mm~mum of 1/2"
(44) Section G2414.6; change to read as follows
G2424.6 (404.6) Piping ~n solid floors. P~pmg m sohd floors shall be la~d ~n channels ~n
the floor and covered m a manner what will allow access to the p~p~ng w~th a mm~mum
amount of damage to the budding Where such piping ~s subject to exposure to excessive
mo~stttre or corrosive substances, the p~pmg shall be protected m an approved manner As
an alternative to mstallat~on m channels, the p~pmg shall be ~nstalled ~n accordance w~th
Section G2414 11 (404 11) a casmg of schedule 40 steel, wrought ~ron, PVC or AB S p~pe
w~th tightly sealed ends and joints Both ends of such casing shall extend not less than 2
mches (51 mm) beyond the point where the p~pe emerges from the floor
(45) Section G2414 9; change to read as follows.
G2414.9 (404.9) Minimum burml depth Underground p~pmg systems shall be installed
a minimum depth of 12 18 ~nches (305 458 mm) below grade, except as prowded for ~n
Section G2414 9 1
(46) Section G2414 9 1, delete
(47) Sectton G2416 4; add a sentence to read as follows
The eqmpment used shall be of an appropriate scale such that pressure loss can be easily
determined
(48) Section G2416 4 1, change to read as follows
G2416 4.1 (406 4 1) Test pressure The test pressure to be used shall be not less than
one and one-half t~mes the proposed maximum working pressure, but not less than 3 10
ps~g (20 68 9 kPa gauge), or at the d~scret~on of the Code Official, the p~pmg and valves
may be tested at a pressure of at least s~x (6) roches (152 mm) of mercury, measured w~th
a manometer or slope gauge ~rrespect~ve of design pressure Where the test pressure
exceeds 125 ps~g (862 kPa gauge), the test pressure shall not exceed a value that produces
a hoop stress m the p~pmg greater than 50 percent of the specified minimum y~eld
strength of the p~pe For welded p~p~ng, and for plpmg carrying gas at pressures ~n excess
of fourteen (14) inches water column pressure (3 48 kPa), the test pressure shall not be
less than sixty (60) pounds per square inch (413 4 kPa)
(49) Section G2416.4 2; change to read as follows.
G2416 4.2 (406 4.2) Test duration. Test duration shall be held for a length of t~me
satisfactory to the Code Officml, but m no case for less than fifteen (15) minutes For
Page 14
welded piping, and for piping carrying gas at pressures ~n excess of fourteen (14) inches
water column pressure (3 48 kPa), the test duration shall be held for a length of time
satisfactory to the Code Official, but in no case for less than thirty (30) minutes
(50) Add Sectton G2419. L4 to read as follows.
G2419.1.4 Valves m CSST installations. Shutoff valves installed with corrugated
stmnloss steel (CSST) piping systems shall be supported with an approved termination
fitting, or equivalent support, suitable for the size of the valves, of adequate strength and
quality, and located at intervals so as to prevent or damp out excessive vibration but in no
case greater than 12qnches from the centex of the valve Supports shall be installed so as
not to interfere with the free expansion and contraction of the system's piping, fittings,
and valves between anchors All valves and supports shall be designed and installed so
they will not be disengaged by movement of the supporting piping
(5D Section G2420.1; add a second paragraph and exception to read as follows:
Access to regulators shall comply with the requirements for access to appliances as
specified m Section M1305
Excegtion: A passageway or level service space is not required when the regulator is
capable of being serviced and removed through the required attic opening
(52) Seetton G2437 5, add a sentence to read as follows
The size of duct shall not be reduced along its developed length nor at the point of
termination
(53) Sectton G243 7. 5.1; change to read as follows'
G2437.5.1 (613.6.1) Maximum length. The maximum length of a clothes dryer exhaust
duct shall not exceed 25 feet (7620 mm) from the dryer location to the outlet terminal
with not more than two bends When extra bends are installed, the maximum length of
the duct shall be reduced 2 1/2 feet (762 mm) for each 45-degree (0 79 rad) bend and 5
feet (1524 mm) for each 90-degree (1 6 rad) bend that occur after the first two bends,
meastmng in the direction of mrflow {Exceptton ts unchanged}
(54) Section G2443.2; change to read as follows
G2443.2 (620.2) Prohibited use. One or more unvented room heaters shall not be used
as the sole source of comfort heating in a dwelling unit
Exceptmn Existing approved unvented heaters may continue to be used in dwelling
units, in accordance with the code provisions in effect when installed, when approved by
the Code Official unless an unsafe condition is determined to exist as described in
International Fuel Gas Code
Section 108 7
(55) Section G2446. L1; change to read as follows.
G2446.1.1 (623.1.1) Installation requirements. The requirements for water heaters
relative to access, sizing, relief valves, drain pans and scald protection shall be in
accordance with tins code access )
Page 15
(56) Section P2503.5.1, ttem 1, add a second paragraph to read as follows'
Shower receptors shall be tested for water t~ghtness by filhng with water to the level of
the rough threshold The drmn shall be plugged ~n a manner so that both s~des of pans
shall be subjected to the test at the pmnt where ~t ~s clamped to the drmn
(57) Sectton P2503. 7 2; change to read as follows
P2503.7.2 Testing. Reduced pressure pnnc~ple backflow preventers, double check
assembhes, double-detector check valve assembhes, and pressure vacuum breaker
assembhes shall be tested at the t~me of ~nstallat~on, ~mmed~ately after repmrs or
relocation and at regular intervals as reqmred by apphcable state or local prows~ons least
annually
(58) Add Section P2603.6.1 to read as follows.
P2603.6.1 Sewer depth. Bmldmg sewers shall be a mtmmum of 12 roches (304 mm)
below grade
(59) Sectton P2708 1, change to read as follows
P2708.1 General. Shower compartments shall have at least 900 square roches of floor
area and be suffiment s~ze to ~nscnbe a mrele w~th a dmmeter not less than 30 ~nches
H~nged shower doors shall open outward The wall area above bulltqn tubs hawng
mstalled shower heads and ~n-shower compartments shall be constructed as per Section
R307 2 R702 4 Such walls shall form a water-tight jmnt w~th each other and wath e~ther
the tub, receptor or shower floor
(60) Sectton P2708.1; add a sentence to read as follows
Thresholds shall be of sufficient w~dth to accommodate a m~mmum twenty-two (22) ~nch
(559 mm) door
(61) Sectton P2709.1; add an exception to read as follows
Exception: Showers designed to comply w~th ICC/ANSI A117 1
(62) Section P2710.1, change to read as follows
P2710.1 Finished. Shower walls shall be fimshed ~n accordance w~th Sectmn R307 2
R702 4
(63) Section P2803.6.1; change to read as follows:
P2803.6.1 Requirements for discharge The outlet of a pressure rehef valve,
temperature relief valve or combination thereof, shall not be darectly connected to the
drmnage system The d~scharge from the relief valve shall be p~ped full s~ze separately to
the outside of the bmld~ng or to an ~ndlrect waste receptor located ~ns~de the bmld~ng In
areas subject to freemng, the rehef valve shall d~scharge through an mr gap ~nto an
~nd~rect waste receptor located w~th~n a heated space, or by other approved means The
d~scharge p~pe shall not d~scharge ~nto the pan reqmred ~n Section P2801 5 The
d~scharge shall be installed ~n a manner that does not cause personal ~njury or property
damage and that ~s readily observable by the bmld~ng occupants The d~scharge from a
rehef valve shall not be trapped The dmmeter of the &scharge p~p~ng shall not be less
Page 16
than the &meter of the relief valve outlet The discharge p~pe shall be mstalled so as to
drain by grawty flow and shall terminate atmospherically not more than 6 roches (152
mm) above the floor When d~schargmg outside the building, the point of d~scharge shall
be w~th the end of the p~pe not more than two (2) feet (610 mm) nor less than slx (6)
~nches (152 mm) above the ground or the floor level of the area receawng the discharge
and pointing downward The end of the discharge pipe shall not be threaded
(64) Table P2904 4.1; delete "Polybutylene (PB) plasttc ptpe and tubing".
(65) Secttons P2904.5, 2904 5.1 and 2904 12; delete reference to "PB "plasttc pipe
(66) Sectton P3005.2.6; changed to read as follows
P300fi.2.6 Upper terminal Base of stacks Each horizontal dram shall be provided w~th
a cleanont at ~ts upper terminal Accessible cleanouts shall be provided near the base of
each vertical waste or soft stack Alternatively, such cleanonts may be installed outside
the bmlthng wltlun 3 feet (914 mm) of the building wall
Exeegtion: Cleanouts may be omitted on a horizontal drain less that five (5) feet (1524
mm) m length unless such hne as serwng sinks or unnals
(67) Section P3103.1; changed to read as follows
P3103.1 Roof extension All open vent pipes which extend through a roof shall be
terminated at least s~x (6) inches (152 mm) above the roof or [number] roches above the
anticipated snow accumulation, except that where a roof is to be used for any purpose
other than weather protection, the vent extensions shall be run at least 7 feet above the
roof
(68) Sections P3105 2 and P3105.3 and Ftgure P3105 3, delete
(69) Sectton P31II.1, change to read as follows
P3111.1 Type of fixture A combination waste and vent system shall not serve fixtures
other than floor drams, standpipes, s~nks and lavatories indirect waste receptors
Combination dram and vent systems shall not receive the d~scharge of a food waste
gnnder
(70) Sectton P3111.2; change to read as follows
P3111.2 Installation The only vertical p~pe ofa combmat~on drain and vent system shall
be the cormect~on between the fixture dram of a sink, lavatory or standpipe, and the
horizontal combination waste and vent p~pe The maximum vertical distance shall be 36
roches 8 feet (914 2438 mm)
(71) Section E3301 I; add a sentence to read as follows:
All references to NFPA 70 shall mean the Electrical Code as adopted
(72) Section E3306 3; change to read as follows:
E3306.3 Minimum s~ze of conductors. The minimum size of conductors for feeders
and branch clremts shall be No 14 copper and No 12 aluminum The minimum s~ze of
Page 17
servme conductors shall be as specified ~n Chapter 35 The m~mmum s~ze of class 2
remote, signaling and power-limited clrcmts conductors shall be as specffied ~n Chapter
42
(73) Sectton E3306.6; change to read as follows
E3306.6 Conductors in parallel. C~rcmt conductors that are electrically joined at each
end to form a single conductor shall be limited to s~zes No 1/0 and larger Conductors ~n
parallel shall be of the same length, same conductor material, same clmular md area and
same insulation Conductors m parallel shall be terminated m the same manner Where
run ~n separate raceways or cables, the raceway or cable shall have the same physical
characteristics
(74) Sectton E3802.8; change to read as follows.
E3802.8 Exempt receptacles. Receptacles installed under exceptions to Sections
E3802 2 and E3802 4 E3802 5 shall not be considered as meeting the reqmrements of
Section E3801 10 E3801 9
Section 28-124. Deletion and Amendments ~s added to read
(1) Sectton 102.2; add an exception to read as follows
Exception: Existing dwelhng umts shall comply w~th Section 620 2
(2) Section 102.8, change to read as follows.
102.8 Referenced codes and standards The codes and standards referenced here~n shall
be those that are listed ~n Chapter 7 and such codes, when specifically adopted, and
standards shall be considered part of the reqmrements of this code to the prescribed
extent of each such reference Where d~fferences occur between provisions of this code
and the referenced standards, the prows~ons of this code shall apply Whenever
amendments have been adopted to the referenced codes and standards, each reference to
smd code and standard shall be considered to reference the amendments as well Any
reference to NFPA 70 or the ICC Electrical Code shall mean the Electrical Code as
adopted
(3) Section 202; amend definition of "Unvented Room Heater" to add a sentence to
read as follows'
For the purpose of installation, th~s defimtlon shall also ~nclude "Unvented Decorative
Appliances"
(4) Section 302 3, change to read as follows
302 3 Cutting, notching and boring m wood members. When permitted by the
Internattonal Bud&ng Code, the cuttmg, notching and bonng of wood members shall
comply with Sections 302 3 1 through 302 3 3
(5) Section 305 4, delete
(6) Add Sectton 305.5 to read as follows'
Page 18
305 5 Clearances from grade. Equipment and appliances installed at grade level shall be
supported on a level concrete slab or other approved material extending above adjoining
grade a mimmum of 3 inches (76 mm) or shall be suspended a minimum of 6 roches (152
mm) above adjolmng grade
(7) Section 306 3; change to read as follows.
306 3 Appliances in attics. Attics contmmng appliances requmng access shall be
provided with an opening and unobstructed passageway large enough to allow removal of
the largest appliance The passageway shall not be less than 30 roches high and 22 inches
wide and not more than 20 feet in length measured along the centerhne of the
passageway from the opening to the appliance The passageway shall have a continuous
solid flooring not less than 24 roches wide A level service space not less than 30 inches
deep and 30 inches wide shall be present at the front or service side of the equipment
The clear access opening dimensions shall be a minimum of 20 inches by 30 inches (508
mm by 762 mm), or larger where such dimensions are not large enough to allow removal
of the largest appliance As a munmum, access to the attic space of resldentml uses shall
be provided by one of the following
1 A permanent sttur
2 A pull down statr
3 An access door from an upper floor level
Exception' The passageway and level service space are not required where the appliance
is capable of being serviced and removed through the mqmred opemng
(8) Section 306.3.1; add a sentence to read as follows
Low voltage wrong of 50 Volts or less shall be installed in a manner to prevent physical
damage
(9) Section 306.4 1, add a sentence to read as follows
Low voltage wrong of 50 Volts or less shall be installed in a manner to prevent physical
damage
(10) Section 306 5; change to read as follows:
306.5 Apphanees on roofs or elevated structures Where appliances requiring access
are installed on roofs or elevated structures at a height exceeding 16 feet (4877 mm), such
access shall be provided by a permanent approved means of access the extent of which
shall be from Permanent exterior ladders providing roof access need not extend closer
than 8 feet (2438 mm) to the finish grade or floor level below and shall extend to the
apphance's level service space Such access shall not require climbing over obstructions
greater than 30 inches high or walkang on roofs hawng a slope greater than 4 umts
vertical in 12 umts horizontal (33-percent slope)
(Il) ,~dd Section 306 $.1.1 to read as follows:
306.5.1.1 Catwalk. On roofs having slopes greater than 4 units vertical in 12 units
horizontal, a catwalk at least 16 roches in width with substantial cleats spaced not more
than 16 inches apart shall be provided from the roof access to the working platform at the
appliance
Page 19
(12) Section 306.5.2; add a sentence to read as follows:
Low voltage wlnng of 50 Volts or less shall be installed in a manner to prevent physical
damage
(13) ,,ldd Sectton 306. 7 to read as follows.
306 7 IWater heaters above ground or floor. When the attic, roof, mezzanine or
platform m which a water heater is installed is more than eight (8) feet (2438 mm) above
the ground or floor level, ~t shall be made accessible by a stairway or permanent ladder
fastened to the bmld~ng
306.7.1. Whenever the mezzanine or platform is not adequately lighted or access to a
receptacle outlet ~s not obtainable from the mmn level, lighting and a receptacle outlet
shall he provided in accordance with Section 306 3 1
(14) Section 401 5; add a second paragraph to read as follows'
Both ends of each section of mechum pressure corrugated stmnless steel tubing (CSST)
shall identify its operating gas pressure with an approved tag The tags are to be
composed of aluminum or sttunless steel and the following wording shall be stamped into
the tag "WARNING 1/2 to 5 ps1 gas pressure Do Not Remove"
(15) Section 402.3; add an exception to read as follows
Exception. Corrugated stmnless steel tubing (CSST) shall be a minimum of 1/2"
(16) Section 404.6; change to read as follows'
404.6 ,Piping m sohd floors. P~pmg in solid floors shall be lind in channels in the floor
and covered m a manner that will allow access to the piping with a minimum amount of
damage to the bmldmg Where such piping ~s subject to exposure to excessive moisture
or corrosive substances, the piping shall be protected in an approved manner As an
alternative to installation in channels, the p~plng shall be installed ~n accordance with
Sectmn 404 11 a casmg of schedule 40 steel, wrought iron, PVC or ABS pipe w~th tightly
sealed ends and jmnts Both ends of such casing shall extend not less than 2 roches (51
mm) beyond the pomt where the p~pe emerges from the floor
(17) Section 404.9; change to read as follows:
404 9 Mimmum burial depth. Underground p~plng systems shall be installed a
mlmmum depth of 18 inches (305 458 mm) below grade, except as provided for in
Sect~qn 404 9 1
(18) Section 404.9.1; delete
(19) Section 406.4; add a sentence to read as follows
The equipment used shall be of an appropriate scale such that pressure loss can be easily
determined
(20) Section 406.4.1; change to read as follows
Page 20
406.4.1 Test pressure The test pressure to be used shall be not less than 1 1/2 times the
proposed maximum working pressure, but not less than 10 ps~g (20 68 9 kPa gauge), or at
the discretion of the Code Official, the p~plng and valves may be tested at a pressure of at
least six (6) roches (152 mm) of mercury, measured w~th a manometer or slope gauge
~rrespectlve of design pressure Where the test pressure exceeds 125 pslg (862 kPa
gauge), the test pressure shall not exceed a value that produces a hoop stress m the p~pmg
greater than 50 percent of the specified minimum yield strength of the pipe For welded
p~pmg and for p~pmg carrying gas at pressures in excess of fourteen (14) inches water
column pressure (3 48 kPa), the test pressure shall not be less than s~xty (60) pounds per
square meh (413 4 kPa)
(2D Sectton 406.4 2, change to read as follows
406 4.2 Test duration. Test duration shall be held for a length of time satisfactory to the
Code Official, but m no case for not less than fifteen (15) minutes For welded piping,
and for p~pmg carrymg gas at pressures m excess of fourteen (14) inches water column
pressure (3 48 kPa), the test duration shall be held for a length of time satisfactory to the
Code Official, but m no case for less than thirty (30) minutes 1/2 hour for each 500 cubic
feet (14 m 3 ) of pipe volume or fraction thereof When testing a system having a volume
less than 10 cubic feet (0 28 m 3) or a system m a single-family dwelling, the test
duration shall be permitted to be reduced to 10 minutes For piping systems hawng a
volume of more than 24,000 cubic feet (680 m 3), the duration of the test shall not be
reqmred to exceed 24 hours
(22) .4dd Sectton 409.1.4 to read as follows
409.1.4 Valves in CSST installations Shutoff valves installed with corrugated stainless
steel (CSST) piping systems shall be supported with an approved termtnatlon fitting, or
equivalent support, statable for the s~ze of the valves, of adequate strength and quahty,
and located at intervals so as to prevent or damp out excessive vibration but in no case
greater than 12-roches from the center of the valve Supports shall be mstalled so as not
to interfere w~th the free expansion and contraction of the system's p~pmg, fittings, and
valves between anchors All valves and supports shall be designed and installed so
movement of the supporting piping will not d~sengage them
(23) Section 410.1, add a second paragraph and exceptton to read as follows:
Access to regulators shall comply w~th the requirements for access to apphanccs as
specified m Section 306
Exception. A passageway or level service space is not required when the regulator ~s
capable of being serviced and removed through the required attic opemng
(24) Section 613 6; add a sentence to read as follows
The s~ze of duet shall not be reduced along ~ts developed length or at the point of
termmatton
(25) Sectton 613.6 1; change to read as follows
613.6.1 Maximum length The maximum length of a clothes dryer exhaust duct shall not
exceed 25 feet (7620 mm) from the dryer location to the outlet terminal with not more
Page 21
than two bends When extra bends are installed, the maximum length of the duct shall be
reduced 2 5 feet (762 mm) for each 45-degree (0 79 rad) bend and 5 feet (1524 mm) for
each 90-degree (1 6 rad) bend that occur after the first two bends, measunng ~n the
d~rect~gn of mrflow
{Exception ts unchanged}
(26) Section 620.2; change to read as follows'
620 2 Prohibited use. One or more unvented room heaters shall not be used as the sole
source of comfort heating ~n a dwelhng umt
Exception. Ex~stmg approved unrented heaters may continue to be used ~n dwelhng
umts, in accordance w~th the code provisions m effect when installed, when approved by
the Code Official unless an unsafe condition is determined to ex,st as described m
Section 108 7
(27) Section 623.1 1; change to read as follows
623.1.1 Installation requirements. The reqmrements for water heaters relative to access,
s~zmg, rebel valves, dram pans and scald protectmn shall be m accordance w~th the
International Plumbing Code
Sectton 28-145 Deletions and amendments is amended to read
(1) Section 102.8, change to read as follows.
102.8 ~Referenced codes and standards The codes and standards referenced m th~s code
shall be those that are hsted m Chapter 13 and such codes, when specffically adopted, and
standards shall be considered part of the reqmrements of th~s code to the prescribed
extent of each such reference Where the reqmrements of reference standards or
manufacturer's mstallatmn mstmctmns do not conform to mimmmn prowsmns of th~s
code, lhe prows~ons of this code shall apply Whenever amendments have been adopted
to the referenced codes and standards, each reference to smd code and standard shall be
considered to reference the amendments as well Any reference to NFPA 70 or the ICC
Electmcal Code shall mean the Electrical Code as adopted
(2) Section 305.6.1; change to read as follows.
305.6.1 Sewer depth Bmldurg sewers that connect to private sewage d~sposal system
shall be a minimum of [number] roches (mm) below fimshed grade at the point of septm
tank connection Building sewers shall be a mm~mum of 12 ~nches (304 mm) below
grade, disposal beeanse a private sewage disposal code ~s not typmally adopted m th~s
reg~oa )
(3) Section 305 9, change to read as follows'
305.9 Protection of components of plumbing system Components of a plumbing
system installed w~thm 3 feet along alleyways, driveways, parking garages or other
locatluns m a manner m which they would be exposed to damage shall be recessed into
the wall or otherwise protected m an approved manner
(4) Section 310 4, delete
Page 22
(5) Seettons 312.9 1 and 312 9 2; change to read as follows
312 9.1 Inspections. Annual inspections shall be made of all backflow prevention
assembhes and a~r gaps to determine whether they are operable In the absence of local
prows~ons, the owner ~s responmble to ensure that testing ~s performed
312.9.2 Testing. Reduced pressure pnnclple backflow preventer assembhes, double
check-valve assembhes, double-detector check valve assembhes and pressure vacuum
breaker assembhes shall be tested at the time of installation, ~mmedmtely after repmrs or
reloca~mn and at least annually The testing procedure shall be performed ~n accordance
w~th apphcable local prowmons In the absence of local provisions, the owner is
responmble to ensure that testmg ~s done m accordance w~th one of the following
standards
ASSE 5010-1013-1, Secttons 1 and 2
ASSE 5010-1015-1, Sections 1 and 2
ASSE 5010-1015-2
A$SE 5010-1015-3, Sectlons 1 and 2
ASSE 5010-1015-4, Sections 1 and 2
ASSE 5010-1020-1, $ecttons 1 and 2
ASSE 5010-1047-1, Secttons 1,2,3 &4
A$$E 5010-1048-1, Sections 1,2,3 &4
ASSE 5010-1048-2
ASSE 5010-1047-3, Sections 1,2,3 &4
ASSE 5010-1047-4, Secttons 1,2,3 &4
CAN/CSA B64 10
(6) Sectton 314.2 1, modify second sentence to read as follows
314.2.1 Condensate disposal. Condensate from all coohng coils and evaporators shall be
conveyed from the drmn pan outlet to an approved place of disposal Condensate shall
not d~scharge m a pubhcly exposed area such as ~nto a street, alley, s~dewalk or other
areas so as to cause a nuisance
(7) Sectton 314.2.2; add a second paragraph to read as follows:
Condensate waste p~pes from alr-coohng co~ls may be stzed ~n accordance w~th
eqmpment capacity as follows
Eqmpment Capacity m tons of Minimum Condensate P~pe
refrigeration Inside Dmmeter
Up to, 20 tons 3/4 tnch
Over 20 to 40 tons 1 inch
Over 40 to 90 tons 1 1/4 ~nch
Over 90 to 125 tons l ½ tach
Over 125 to 250 tons 2 ~nch
The size of condensate waste p~pes may be for one umt or a comblnataon of umts, or as
Page 23
recommended by the manufacturer The capacity of waste pipes assumes a 1/8qnch-per-
foot slope, with the pipe running three-quarters full
(8) Section 314.2.3; add item g4 to read as follows
4 Discharge, as noted, shall be to a conspicuous point of d~sposal to alert occupants ~n
the event of a stoppage of the drmn However, the conspicuous pmnt shall not create a
hazard such as dripping over a walking surface or other areas so as to create a nmsance
(9) Section 401 1; add a sentence to read as follows'
The provisions of th~s Chapter are meant to work in coordination w~th the provisions of
the Bmldmg Code Should any conflicts arise between the two chapters, the Code
Official shall determine which provision apphes
(10) Section 403.1; change to read as follows'
403 1 Minimum number of fixtures. Plumbing fixtures shall be prowded for the type of
occupancy and in the minimum number as follows
1 Assembly Oecupanmes At least one dnnkmg fountmn shall be prowded at each floor
level in an approved location
Exception: A dnnkmg fountmn need not be prowded in a dnnkmg or dlmng
establishment
2 Groups A, B, F, H, I, M and S Occupancies Buildings or portions thereof where
persons are employed shall be provided w~th at least one water closet for each sex except
as prowded for in Section 403 2
3 Group E Occupancies Shall be provided with fixtures as shown in Table 403 1
4 Group R Occupancies Shall be provided w~th fixtures as shown ~n Table 403 1
It ~s recommended, but not reqarmd, that the m~mmum number of fixtures prowded also
comply with the number shown in Table 403 1 Types of occupancies not shown in Table
403 1 shall be considered Individually by the code official The number of occupants
shall be determined by the Internatzonal Butldtng Code Occupancy classification shall be
determined in accordance with the Internattonal Butldtng Code
(Il) Add Section 403.1.2 to read as follows.
403.1,2 Finish material. Fm~sh matermls shall comply wtth Section 1209 of the
Internattonal Butldtng Code
(12) Section 404.2, change to read as follows:
404.2 Unisex toilet and bathing rooms. In assembly and mercantile occupancies, an
accessible umsex toilet room shall be provided where an aggregate of stx or more male or
female water closets are required provided In bmldlngs of m~xed occupancy, only those
water closets required for the assembly or mercantile occupancy shall be used to
determine the unisex tmlet room requirement In recreational faclhtles where separate-sex
bathing rooms are provided, an accessible tin,sex bathing room shall be provided
(13) Section 405 6; delete
Page 24
(14) Section 409.2; change to read as follows:
409 2 Water connection. The water supply to a commcrmal d~shwashmg machtne shall
be protected against backflow by an air gap or backflow preventer m accordance wtth
Section 608
(15) Sectton 410 1, change to read as follows:
410.1 Approval. Dnnkmg fountains shall conform to ASME All2 19 1, ASME
All2 19 2 or ASME All2 19 9, and water coolers shall conform to ARI I010 Where
water ~s served tn restaurants or where bottled water coolers are prowded tn other
occupancies, dnnktng fountains shall not be reqmred
Exception' A dnnkmg fountain need not be provided tn a dnnk~ng or dtnmg
estabhshment
(16) Section 412.4; change to read as follows'
412 4 Required location Public laundries and central washing facilities. Floor drams
shall be installed m the following areas
1 In pubhc co~n-operated laundries and m the central washing famht~es of multtple
famdy dwelhngs, the rooms contaimng the automatm clothes washers shall be provtded
w~th floor drains located to readdy drain the entire floor area Such drmns shall have a
mmtmutn outlet cross sectton of not less than 3 ~nches (76 mm) tn dtameter
2 Commercml k~tchens (In heu of floor drains tn commercml kttchens, the code offimal
may accept floor smks )
(17) Section 413.4; change to read as follows:
413 4 Water supply reqmred. All food waste gnnders shall be provtded wtth a supply
of cold water The water supply shall be protected agmnst backflow by an mr gap or wtth
the ~nstallat~on of a backflow preventer m accordance w~th Sectton 608
(18) Section 417.5; change to read as follows.
417.5 Shower floors or receptors. Floor surfaces shall be constructed of ~mpervtous,
noncon'os~ve, nonabsorbent and waterproof materials Thresholds shall be a m~mmum of
2 ~nches (51 mm) and a maximum of 9 tnches (229 mm), measured from top of the drain
to top of threshold or dam Thresholds shall be of suffiment w~dth to accommodate a
mtmmum twenty-two (22) ~nch (559 mm) door
Exception: Showers designed to comply wtth ICC/ANSI A117 1
(19) Section 417.5.2; change to read as follows.
417 5.2 Shower lining Floors under shower compartments, except where prefabricated
receptors have been provtded, shall be hned and made water tight utthztng material
complying w~th Sections 417 5 2 1 through 417 5 2 4 Such hners shall turn up on all
s~des at least 2 3 ~nches (51 mm) above the fimshed threshold level and shall extend
outward over the threshold and fastened to the outstde of the threshold jamb Ltners shall
be recessed and fastened to an approved backtng so as not to occupy the space mqmred
for wall covenng, and shall not be nailed or perforated at any potnt less than 1 ~nch above
the fimshed threshold Ltners shall be pitched one-forth umt vertmal tn 12 umts
horizontal (2-percent slope) and shall be sloped towards the fixture drains and be securely
Page 25
fastened to the waste outlet at the seepage entrance, making a water-tight jmnt between
the liner and the outlet
(20) Add Section 417. 7 to read as follows'
417 7 Test for shower receptors. Shower receptors shall be tested for water tightness by
filhng with water to the level of the rough threshold The dratn shall be plugged in a
manner so that both sides of pans shall be subjected to the test at the point where tt is
clamped to the drmn
(21) Section 419.3; change to read as follows'
419.3 Surrounding material. Wall and floor space to a point 2 feet (610 mm) in front of
a unnal lip and 4 feet (1219 mm) above the floor and at least 2 feet (610 mm) to each side
of the unnal shall be waterproofed with a smooth, readily cleanable, hard, nonabsorbent
material
(22) Sectton 502.5; change to read as follows'
502.5 Water heaters installed matttcs Atttcs containing a water heater shall be
provtded wtth an openmg and unobstructed passageway large enough to allow removal of
the water heater The passageway shall not be less than 30 inches high and 22 ~nches
wtde and not more than 20 feet tn length when measured along the centerhne of the
passageway from the openmg to the water heater The passageway shall have contmuous
sohd floonng not less than 24 roches wtde A level service space at least 30 inches deep
and 30 inches w~de shall be present at the front or service side of the water heater The
clear access opanmg dimensions shall be a minimum of 20 inches by 30 inches (508 mm
by 762 mm), or larger where such dtmenslons are not large enough to allow removal of
the water heater
(23) Add Sectton 502.5 1 to read as follows:
502.541 Electrical requirements. A hghtmg fixture controlled by a sw~tch located at the
reqmred passageway opemng and a receptacle outlet shall be provided at or near the
equipment locatmn m accordance with the electrical code
(24) Add Section 502 7 to read as follows
502.7 Water heaters above ground or floor When the attic, roof, mezzanine or
platform m whmh a water heater ~s installed ~s more than etght (8) feet (2438 mm) above
the ground or floor level, tt shall be made accesstble by a stmrway or permanent ladder
fastened to the bmldmg
502 7.1 Whenever the mezzanine or platform ts not adequately hghted or access to a
receptacle outlet ts not obtamable from the mmn level, hghtmg and a receptacle outlet
shall be provided in accordance wtth Section 502 5 1
(25) Section 504.6.1, change to read as follows
504.6 1 Discharge. The relief valve shall dtscharge through full stze ptpmg to a safe
place of dmposal such as the floor drain, outside the building, or an redirect waste
receptor The d~acharge pipe shall not have any trapped sections When the dratnptpe run
ts exposed, tn an area outside of the room where the water heater ts located, m a manner
that would make it subject to damage, the dram and shall have a mslble mr gap or att gap
Page 26
fitting located m the same room as the water heater The d~scharge shall be ~nstalled ~n a
manner that does not cause personal injury to occupants in the ~mmedlate area or
structural damage to the braiding The end of the d~scharge p~pe shall not be threaded
The dtscharge pipe shall not chscharge rote the pan required ~n Section 504 7 When
dmchargmg outside the bmldmg, the point of d~scharge shall be w~th the end of the p~pe
not more than two (2) feet (610 mm) nor less than six (6) inches (152 mm) above the
ground or the floor level of the area mce~vtng the d~scharge and pmntmg downward
(26) Sectton 505.1; change to read as follows:
505.1 Unfired vessel insulation. Unfired hot water storage tanks shall be insulated so
that heat loss ~s hm~ted as specified m Sectmn 504, Internattonal Energy Conservatton
Code {Delete remainder of section}
(2 7) Add Sectton 506, 506.1 to read as follows
SECTION 506 COMBUSTION AIR AND VENTILATION
506.1. Combustion air and ventilation. Combustion mr and ventilation for fuel burning
water heaters, other than gas-fired, shall be m accordance w~th the Internattonal
Mechamcal Code Combustion air and ventilation for gas-fired water heaters shall be m
accordance w~th the Internattonal Fuel Gas Code
(28) Add Sectton 604 4 1 to read as follows'
604 4.1 State maximum flow rate. Where the State mandated maximum flow rate ~s
more restrictive than those of this section, the State flow rate shall take precedence
(29) Tables 605.4 and 605 5; delete "Polybutylene (PB) plasttc ptpe and tubing'
(30) Sectton 606.1; delete ttems g4, 5 and 6
(31) Sectton 606.2; items #1 and 2 changes to read as follows
1 On the fixture supply to each plumbing fixture in other than one- and two-family and
multiple family res~dentml occupancies, and other than m individual guestrooms that are
provided w~th umt shutoff valves ~n hotels, motels, boarding houses and s~mflar
occupancies
Exeeptmn: Tub and shower valves
2 On the water supply p~pe to each sfllcock when subject to freezing
(Reason To provide shut-offvalves to every fixture )
(32) Section 607 2.1; change to read as follows
607.2.1 Piping insulation. Piping in reqmred return c~rculatmn systems shall be insulated
as reqmred m Section 504, Internattonal Energy Conservatton Code {Delete rematnder
of sectzon)
(33) Section 608.1; change to read as follows'
608 1 General. A potable water supply system shall be designed, installed and
mam~mned m such a manner so as to prevent contamination from nonpotable liquids,
sohds or gases being introduced rote the potable water supply through cross-connect~ons
Page 27
or any other piping connections to the system Back flow preventer applications shall
conform to applicable local regulations, Table 608 1, except and as specffically stated in
Sections 608 2 through 608 16 9
(34) Sectton 608 17, change to read as follows:
608.17 Protection of individual water supplies An ~nd~wdual water supply shall be
located and constructed so as to be safeguarded agmnst contamination ~n accordance w~th
apphcable local regulations In the absence of other local regulations, installation shall be
~n accordance with Sections 608 17 1 through 608 17 8
(35) Sectton 708.3.4, change to read as follows
708.3 4 Upper terminal Base of stack Each horizontal drmn shall be provided with a
cleanout at its upper terminal A cleanout shall be prowded at the base of each waste or
soil stack
Exception: Cleanouts may be omitted on a horizontal drmn less those five (5) feet (1524
mm) m length unless such hne ~s servmg sinks or unnals
(36) Add Section 712.5 to read as follows'
712.5 Dual Pump System All sumps shall be automatically d~scharged and, when in any
"pubhe use" occupancy where the sump serves more than 10 fixture un,ts, shall be
provided with dual pumps or ejectors arranged to function independently in case of
overload or mechanical failure For storm drainage sumps and pumping systems, see
Section 1113 (Reason To address dual pump system To provide reference for storm
drainage systems )
(37) Sectton 714, 714 1, change to read as follows
SECTION 714 ENGINEERED COMPUTERIZED DRAINAGE DESIGN
714.1 Design of drainage system The s~mng requirements for plumbing drmnage
systems shall be determined by approved computer program design methods
08) Section 802.1.1; delete the exception
(39) Sectton 802.4, add a sentence to read as follows.
No standpipe shall be installed below the ground
(40) Section 904.1; changed to read as follows.
904.1 Roof extension. All open vent pipes that extend through a roof shall be terminated
at least slx (6) inches (152 mm) above the roof, except that where a roof ~s to be used for
any ptupose other than weather protection, the vent extensions shall be run at least 7 feet
(2134 mm) above the roof
(41) Sectton 912.1, change to read as follows.
912.1 Type of fixture. A combination drmn and vent system shall not serve fixtures other
than floor drtuns, standpipes, sinks and lavatories indirect waste receptors Combination
drmn and vent systems shall not receive the discharge of a food waste gnnder
Page 28
(42) Section 912.2; change to read as follows.
912 2 Installation. The only vertical pipe of a combination drain and vent system shall
be the connectzon between the fixture drmn of a sink, lavatory or standpipe, and the
horizontal combination drmn and vent pipe The maximum vertzcal distance shall be 8
feet (2438 mm)
(43) Section 1002.10, delete
(44) Section 1003 1, added to read as follows.
Mmzmum construction standards for food servzce estabhshments are required when 1 A new building zs constructed and occupied,
2 Prior to the issuance of a certfficate of occupancy for an ex~sttng building
which has not been previously used as a food servme estabhshment wlthzn the
last six (6) months
3 A change to a more restrictive class of food preparatzon occurs
Heavy Food Preparatton shall mean any area ~n which foods are prepared utthmng a
grill, griddle, deep-fat fryer, commercial type ovens, and/or any s~mllar food preparation
eqmpment, or any area subject to flooding type of wet cleaning procedures due to the
cutting or processzng of meat, poultry, fish or pork Heavy food preparation includes but
ts not limited to cafeterias, fast food restaurant, full servme restaurants, pizza
preparation, donut preparatzon Meat and fish markets, (et cetera) A mmtmum 1,000-
gallon grease interceptor is reqmred for heavy food preparation estabhshments
Light Food Preparatton shall mean any area ~n which foods are prepared exclusive of
the use of fryers, grills or s~mllar eqmpment L~ght food preparation is usually hmlted to
the preparatzon of hot dogs, sandwiches, salads or other s~mzlar foods and fountain-type
cold dnnks Light food preparataon xncludes, but ~s not hmzted to, sandwich shops,
hmlted menu concessaon stands (et cetera) A mimmum 200-gallon grease ~nterceptor ~s
required for hght food preparation estabhshments
No Food Preparation shall mean any area in which foods are provided prewrapped,
from an approved soume, wzth m~crowave oven type heating being the maximum
handllng revolved No food preparation ~s hmlted to pre-packaged sandwmhes or similar
foods, candies and contmnenzed beverages A grease xntemeptor ~s not required for no
food preparation estabhshments
(45)Section 1106.1, change to read as follows
1106.1 General. The s~ze of the vertical conductors and leader, building storm drmns,
building storm sewers, and any horizontal branches of such drmns or sewers shall be
based on six (6) ~nches per hour the 100-year hourly rmnfall rate lndmated in Fagure
1106 1 or on other rainfall rates determined from approved local weather data
(46) Section 1107.3, change to read as follows'
1107.3 Sizing of secondary drains. Secondary (emergency) roof drain system shall be
sized m accordance wath Section 1106 based on the ratnfall rate for whmh the primary
Page 29
system is sized ~n Tablesll06 2, 1106 3 and 1106 6 by two Scuppers shall be s~zed to
prevent the depth of pondlng water from exceeding that for which the roof was designed
as determined by Section 1101 7 Scuppers shall not have an opemng d~menslon of less
than 4 ~nches The flow through the primary system shall not be considered when sizing
the secondary roof drmn system
(47) Chapter 12; delete
Section 28-252 Deletions and amendments ts amended to read
(1) Section 102.8, change to read as follows
102.8 Referenced codes and standards. The codes and standards referenced hereto shall
be those that are hsted m Chapter 15 and such codes, when specffically adopted, and
standards shall be considered part of the reqmrements of th~s code to the prescribed
extent of each such reference Where differences occur between provm~ons of th~s code
and the referenced standards, the prowsmns of th~s code shall apply Whenever
amendments have been adopted to the referenced codes and standards, each reference to
smd code and standard shall be considered to reference the amendments as well Any
reference to NFPA 70 or the ICC Electrtcal Code shall mean the Electrical Code as
adopted
(2) Section 302.3; change to read as follows'
302.3 Cutting, notching and bonng ~n wood framing When permttted by the
Internattonal Buddtng Code, the cutting, notching and bonng of wood framing members
shall comply w~th Sections 302 3 1 through 302 3 3
(3) Section 304.5, delete
(4) Section 304 8; change to read as follows
304.8 Clearances from grade. Eqmpment and apphances installed at grade level shall be
supported on a level concrete slab or other approved material extending above adjoining
grade a mlmmum of 3 roches (76 mm) or shall be suspended a munmum of 6 roches (152
mm) above adjommg grade
(5) ~tdd Section 304 11 to read as follows
304.11 Mimmum burml depth. Underground fuel p~pmg systems shall be ~nstalled a
m~mmum depth of 18 roches (458 mm) below grade
(6) Sectton 306.3; change to read as follows.
306 3 Appliances in attics Attics contarmng apphances reqmrmg access shall be
prowded w~th an openmg and unobstructed passageway large enough to allow removal of
the largest component of the apphance The passageway shall not be less than 30 roches
h~gh and 22 roches w~de and not more than 20 feet m length when measured along the
centerhne of the passageway from the opening to the eqmpment The passageway shall
have continuous sohd floonng not less than 24 ~nches w~de A level servme space not less
than 30 roches deep shall be present at the from or servme rode of the apphance The clear
Page 30
access opemng thmenaons shall be a minimum of 20 aches by 30 inches (508 mm by
762 mm), or larger where such dlmansaons are not large enough to allow removal of the
largest apphance As a mm~mum, access to the attm space of res~dentml uses shall be
prowded by one of the followmg
1 A permanent star
2 A pull down stair
3 An access door from an upper floor level
Exception: The passageway and level service space are not reqmred where the apphance
~s capable of being serviced and removed through the required opening
(7) Seetton 306.3.1; add a sentence to read as follows
Low voltage wang of 50 Volts or less shall be ~nstalled in a manner to prevent physmal
damage
(8) Section 306.4 1, add a sentence to read as follows
Low voltage wang of 50 Volts or less shall be tnstalled ~n a manner to prevent physmal
damage
(9) Section 306.5; change to read as follows'
306.5 Equipment and applmnees on roofs or elevated structures Where eqmpment
and apphances requmng access are ~nstalled on roofs or elevated structures at a height
exceedmg 16 feet (4877 mm), such access shall be prowded by a permanent approved
means of access the extent of which shall be from Permanent exterior ladders prowd~ng
roof access need not extend closer than 8 feet (2438 mm) to the flash grade or floor level
below and shall extend to the equipment and apphance's level servme space Such access
shall not reqmre chmb~ng over obstructions greater than 30 ~nches h~gh on roofs havmg a
slope greater than 4 umts vertmal m 12 umts horizontal (33-percent slope) A receptacle
outlet shall be promded at or near the eqmpment and apphance location ~n accordance
w~th the Electrical Code Low voltage wang of 50 Volts or less shall be ~nstalled in a
manner to prevent physmal damage
(10) Section 306.6; add a second paragraph to read as follows
A receptacle outlet shall be prowded at or near the apphance location ~n accordance w~th
the Electrical Code Low voltage wang of 50 Volts or less shall be mstalled ~n a manner
to prevent physmal damage
(11) Add Section 306.6.1 to read as follows:
306 6,1 Catwalk. On roofs hawng slopes greater than 4 umts vertical m 12 units
horizontal, a catwalk at least 16 aches in w~dth w~th substantml cleats spaced not more
than 16 aches apart shall be provided from the roof access to the working platform at the
apphance
(12) Add Section 306. 7 to read as follows.
306 7 Water heaters above ground or floor. When the mezzanine or platform ~n which
a water heater ~s mstalled ~s more than eaght (8) feet (2438 mm) above the ground or floor
Page 31
level, it shall be made accessible by a stmrway or permanent ladder fastened to the
building
306.7.i Whenever the mezzanine or platform is not adequately lighted or access to a
receptacle outlet is not obtmnable from the mmn level, lighting and a receptacle outlet
shall b~ provided m accordance w~th Sectmn 306 3 1
(13) Section 307 2.1; modify second sentence to read as follows
307.2.1 Condensate disposal Condensate from all coohng co~ls and evaporators shall be
conveyed from the dram pan outlet to an approved place of dmposal Condensate shall
not d~seharge m a pubhcly exposed area such as into a street, alley, s~dewalk or other
areas so as to cause a nuisance
(14) Section 307.2 2, add a second paragraph to read as follows'
Condensate waste p~pes from mr-cooling cmls may be s~zed m accordance with
equipment capacity as follows
Equlp~nent Capacity Minimum Condensate Pipe
in tons of refrigeration Inside Diameter
Up to 20 tons 3/4 inch
Over ~0 to 40 tons 1 tach
Over 40 to 90 tons 1 1/4 inch
Over 90 to 125 tons 1 t/2 tach
Over !25 to 250 tons 2 tach
The s~ze of condensate waste p~pes may be for one umt or a combination of ttmts, or as
recommended by the manufacturer The capacity of waste p~pes assumes a 1/8-inch-per-
foot slope, with the p~pe mnnmg three-quarters full
(15) Section 307.2.3; add item #4 to read as follows.
4 D~seharge, as noted, shall be to a conspicuous point of d~sposal to alert occupants ~n
the event of a stoppage of the drmn However, the conspicuous point shall not create a
hazard such as dripping over a walkmg surface or other areas so as to create a nuisance
(16) Section 403 2, add an exception to read as follows
Exception: Where the design professmnal demonstrates that an engineered ventdatmn
system ~s designed m accordance with ASHRAE 62, the minimum reqmred rate of
outdoor mr shall be permitted to be as specffied in such engineered system design
(17) Sectton 403.2.1; add an Item g4 to read as follows
4 Tollet rooms within private dwelhngs that contain only a water closet, lavatory or
combinatmn thereof may be ventilated w~th an approved mechanical rec~rculatmg fan or
s~mdar device designed to remove odors from the mr
(18) Table 403.3, footnote g. change to read as follows
Page 32
g Transfer mr permitted in accordance with Section 403 2 2 Toilet rooms within private
dwellings that contmn only a water closet, lavatory or combination thereof may be
ventilated w~th an approved mechanical rec~rculatlng fan or similar device designed to
remove odors from the air
(20) Section 504.6; add a sentence to read as follows
The s~ze of duct shall not be reduced along its developed length or at the point of
termination
(21) Sectton 504.6 1, change to read as follows
504 6.1 Maximum length The maximum length ora clothes dryer exhaust duct shall not
exceed 25 feet (7620 mm) from the dryer location to the outlet terminal with not more
than two bends When extra bends are installed, the maximum length of the duct shall be
reduced 2 5 feet (762 mm) £or each 45-degree (0 79 tad) bend and 5 feet (1524 mm) £or
each 90-degree (1 6 tad) bend that occur after the first two bends, measuring m the
direction of mrflow
{Exceptton ts unchanged}
(22) Section 506.3.11; change to read as follows'
506 3.11 Duct enclosure A grease duct serving a Type I hood that penetrates a cethng,
wall or floor shall be enclosed from the point o£penetrat~on to the outlet terminal A duct
shall only penetrate exterior walls at a point where unprotected openings are permitted by
the International Butldtng Code Ducts shall be enclosed in accordance with the
~rnternattonal Butldtng Code reqmrements £or shaft construction The duct enclosure shall
be sealed around the duct at the point of penetration and vented to the outside of the
bufldmg through the use of weather-protected openings The enclosure shall be separated
from the duct by a mlmmum of 3 inches (152 76 mm) and a maximum of 12 inches (305
mm) and shall serve a single grease exhaust duct system
{Excepttons rematn unchanged }
(23) Section 510. 7; add a second exception to read as follows
Exceptions
1 {Extstmg exception unchanged}
2 Ducts where the largest cross-seet~onal diameter of the duct is less than l0 inches (254
mm)
(24) Section 604.1, change to read as follows:
604 1 General. Duct insulation shall conform to the reqmrements of Sections 604 2
through 604 1, Table 604 1 and the Internattonal Energy Conservatton Code Should
there be any conflicts between this section and the energy code, the energy code shall
take precedence
Page 33
(25) Add Table No. 604 1 to read as follows
Table 604.1 - Insulation of Ducts
Duet Location Insulation Types Heating Zone 1 Insulation
Mechamcally Types
Cooled Heating Only
On roof on exterior C, V 2 and W I A and W
of bmldmg II B and W
III C and W
Attics, garages and A and V 2 I A
crawl spaces II A
III B
Wlthm the None required None required
conditioned space or
in Basements, return
ducts in air plenums
Cement slab or None required None required
within ground
Note. Where ducts are used for both heating and cooling, the m~mmum insulation shall
be as required for the most restrictive condition
1 Heating Degree Days
Zone I below 4,500 D D
Zone II 4,501 to 8,000 D D
Zone III over 8,000 D D
2 Vapor retarders shall be installed on supply ducts in spaces vented to the outside in
geographic areas where the summer dew point temperature based on the 2 ½ percent
column of dry-bulb and mean commdent wet-bulb temperature exceeds 60 0 F (15 4 0
C)
3 Insulation may be omitted on that portion of a duct whmh is located within a wall- or a
floor~ceiling space where
~ ~Both sides of the space are exposed to conditioned air
32 The space is not ventilated
~ 3The space is not used as a return plenum
34 The space is not exposed to unconditioned air
Celhngs, which form plenums, need not be insulated
INSULATION TYPES 4
A -- A material with an installed conductance of 0 48 [2 72 W/(m*K)] or the equivalent
thermal resistance of 2 1 [0 367 (m*K)/W]
Example of materials capable of meeting the above requirements
Page 34
l-inch (25 mm), 0 60 lb/cu ft (9 6 kg/m 3 ) mineral fiber, rock, slag or glass
blankets
¼-meh (13 mm), 1 5 to 3 lb/cu ft (24 to 48 kg/m 3 ) mineral fiber blanket duct
:liner
Va-tach (13 mm), 3 to 10 lb/eu ft (48 to 160 kg/m 3 ) mineral fiberboard
B -- A, mater~al with an installed conductance of 0 24 [1 36 W/(m*K)] or the equivalent
thermal resistance of 4 2 [0 735 (m*K)/W]
Example of materials capable of meeting the above requirements
2-meh (51 mm), 0 60 lb/cu i~ (9 6 kg/m 3 ) mineral fiber blankets
l-tach (25 mm), 1 5 to 3 lb/cu ft (24 to 48 kg/m 3 ) mineral fiber blanket duct
hner
l-tach (25 mm), 3 to 10 lb/cu ft (48 to 160 kg/m 3 ) mineral fiber board
C -- A mater~al with an installed conductance of 0 16 [0 9 W/(m*K)] or the equivalent
thermal resistance of 6 3 ~1 1 (m*K)/W]
Example of materials capable of meeting the above requirements
3-tach (76 mm), 0 60 lb/cu ft (9 6 kg/m 3 ) mineral fiber blankets
1 ½-meh (38 mm), 1 5 to 3 lb/cu fi (24 to 48 kg/m 3 ) mineral fiber blanket duct
liner
1 ½-inch (38 mm), 3 to 10 lb/cu ft (48 to 160 kg/m 3 ) mineral fiberboard
V --Vapor Retarders Mater~al with a perm rating not exceeding 0 05 perm [29
ng/Pa*s*m 2 ] All joints to be sealed
W - Approved weatherproof hamer
4 The example of materials hsted under each type is not meant to limit other available
thickness and density combinations with the equivalent installed conductance or
resistance based on the insulation only
(26) Section 604.11 Vapor retarders. Where ducts used for cooling are externally
insulated, the insulation shall be covered w~th a vapor retarder in accordance with Table
604 1 having a maximum permeance of 0 05 perm [2 87 ng/(Pa s m 2 )] or aluminum
foil hawng a minimum thickness of 2 mils (0 051 mm) Insulations having a permeance
of 0 05 perms [2 87 ng/(Pa s m 2 )] or less shall not be required to be covered All
joints ,and seams shall be sealed to maintain the contmmty of the vapor retarder
(27) .~ection 607.2.2; change to read as follows
607.2~2 Hazardous exhaust duets. Hazardous exhaust duct systems shall extend d~rectly
to the exterior of the building and shall not extend into or through ducts and plenums
Penetration of structural elements shall conform to this section and the Internattonal
ButM~ng Code except that fire dampers are not reqmred at penetration of fire-resistance-
rated assemblies for hazardous exhaust duct system shall comply with Section 510
(28) Section 607.5.1, change to read as follows:
607.$,.1 Fire Walls. Ducts and transfer openings permitted in firewalls in accordance
w~th Section 705 11 of the Internattonal Building Code shall be protected with approved
fire dampers installed m accordance with their listing Hazardous exhaust ducts shall not
penetrate firewalls
Page 35
(29) Section 607.6.1; change to read as follows.
607 6 1 Through penetrations In occupancies other than Groups I-2 and I-3,
penetrations by an air duct through a fire-resistive-rated floor/cethng assembly that
connects not more than two stones are permitted without shaft enclosure protection
where a fire damper is installed at the floor line
(30) Chapter 14, delete.
Section 28-254 Deletions and amendments is amended to read
(1) Section 101.3; amend as follows.
101 3 Compliance. Compliance with this code shall be determined in accordance with
Sections 101 3 1, and 101 3 2, or 101 3 3
(2) Add the following item'
101.3.3. Alternative compliance. A building certified through a voluntary energy
performance testing program approved as meeting or exceeding the provisions of this
code may be deemed to comply with the requirements of this code
(3) Section 302.1; Replace blank Table 302.1 Exterior Design Conditions with the
following:
CONI}ITION VALUE
Wmte~ a, deadpan dry bulb ( o F) (99 6%) 17
S~rnmer a, design dry-bulb ( o F) (0 4%) 100
S~mrner a, design wet-bulb ( o F) (0 4%) 78
Degree days heating b 2407
Degree days cooling b 2603
Climate zone c 5B
(4) Delete note "a" and replace with the following
a These values are from ASHRAE Handbook of Fundamentals for Dallas/Ft Worth
International Airport 99 6% Winter DB, 0 4% Summer DB, and 0 4% Summer WB, and
from Local Climatological Data for Dallas-Ft Worth published by the National Climatic
Data Center, National Oceanic and Atmospheric Administration These values are for the
purpose of providing a uniform basis of requirements for North Central Texas This will
not preclude licensed professionals from submitting design analyses based on site
measurements or published data more specific to the building site AdJustments shall be
permitted to reflect local climates that differ from the tabulated values, or local weather
experience determined by the code official
(5) Delete Ftgures 302 1 (1-43, 45-51).
(6) Section 502.1.1; delete exception #2 and substitute the following.
2 Bulldmgs located in Climate Zones 1 through 9 as indicated in Table 302 1
Page 36
(7) Section 502 1.5; add the followmg excepttons
Exceptions:
1 Any,glazing facing within 45 degrees of true north,
2 Any glazing facing w~thin 45 degrees of tree south which is shaded along its full width
by a pe~rmanent overhang with a projecuon factor of 0 3 or greater
3 Any fenestration with attached screens where the screens have a rated shading
coefficient of 6 or less
(8) Section 502.2; Replace blank Table 502 2 Heating & Coohng Criteria with the
followlng:
Table S02.2 a,g
HEATING AND COOLING CRITERIA
Element Mode Type A-1 Type A-2
Residential Residential
Buildings Buildings
Uo Uo
Walls' Heating or eoohng 0 15 0 22
Roof/ceiling Heating or eoohng 0 03 0 03
Floors over Heating or coohng 0 05 0 05
unheated spaces
Heated slab on Heating R-value = 6 R-value = 6
grade
Unheated slab on Heating R-value -- 0 R-value = 0
gradeI
Basement wall Heating or cooling Uffactor = 0 15 U-factor = 0 15
Crawl space wall Heating or eoohng U-factor = 0 15 U-factor = 0 15
(9) Delete Note "a" and replace with the followtng.
a The above values have been determined for all counties in the North Central Texas
CounCil of Governments region
(I0) Add Note "g":
g These reqmrements apply only to the boundaries of conditioned space Air
con&t~onmg equipment is recommended, but not required, to be located within the
concht~oned space m North Central Texas zones
(11) Delete Figures 502 2(1-6)
(12) Section 502.2; Add note to Fig 502 2(7)'
All counties w~ttun the North Central Texas Council of Governments region are
deslgtaated as within the area of very heavy termite infestation probablhty for purpose of
umform interpretation of this requirement
Page 37
(13) Section 502.2 4, Delete prescriptive Tables 502 2 4(1-9) and substitute the
following:
Table 502 2.4(1)
Prescriptive Building Envelope Requirements, Type A-1 Residential Buildings,
Based on Window Area as a Percent of Gross Exterior Wall Area (for zones 5b and
6b)
% Maximum Minimum
Glazing Glazing Ceiling Exterior Floor Basement Slab Crawl
U-factor R-value Wall R- R- Wall R- Perimeter space
value value value R-value wall R-
and value
depth
<8% 0 70 R-26 R-11 R-11 R-5 R-0 R-6
<12% 0 65 R-26 R-13 R-11 R-5 R-0 R-5
<15% 0 65 R-30 R-13 R-11 R-6 R-0 R-7
<18% 0 52 R-30 R-13 R-19 R-6 R-0 R-7
<20% 0 50 R-38 R-13 R-19 R-6 R-0 R-7
<25% 0 46 R-38 R-16 R-19 R-6 R-0 R-7
(14) Replace Tables 502.2 4 (7-9) with: Table 502 2 4(2)
Prescriptive Building Envelope Requirements, Type A-2 Residential Buildings,
Based on Window Area as a Percent of Gross Exterior Wall Area
% Maximum Minimum %
Glazing Glazing Ceiling Exterior Floor Basement Slab Crawl
U-factor R-value Wall R- R- wall R- perimeter space
value value value R-value wall R-
and value
depth
<20% 0 55 R-30 R-13 R-II R-5 R-0 R-6
<25% 0 55 R-30 R-13 R-11 R-5 R-0 R-5
<30% 0 47 R-38 R-13 R-19 R-7 R-0 R-8
(15)Section 503.3.3 3, amend as follows'
All supply and return-air ducts and plenums installed as part of an HVAC air-distribution
system shall be thermally insulated in accordance w~th Table 503 3 3 3 or where such
ducts or plenums operate at stat~c pressures greater than 2 in w g (500 Pa) in accordance
with Section 503 3 3 4 1
Page 38
(16) Sectton 503.3.3.4, amend subsections as follows'
503 3.3.4 1 High- and medmm-pressure duct systems All ducts and plenums operanng
at statm pressures greater than 2 m w g (500 Pa) shall be insulated and sealed m
accordance w~th Section 803 2 8 H~gh pressure and medmm pressure Ducts operanng at
stanc pressures m excess of 3 ~n w g (750 Pa) shall be leak tested m accordance w~th
SMACNA HVAC A~r Duct Leakage Test Manual w~th a rate ofa~r leakage not to exceed
the maximum rate spec~f'md m that standard Section 803 3 6 Pressure classifications
spemfic to the duet system shall be clearly mdmated on the construction documents m
accordance w~th the Internattonal Mechantcal Code
503 3.3.4 2 Low-pressure duct systems. All longitudinal and transverse joints, seams
and connections of low-pressure supply and return ducts operating at stanc pressures less
than or equal to 2 m w g (500 Pa) shall be securely fastened and sealed w~th welds
gaskets, mast]cs (adhesives), mastic-plus-embedded fabric systems or tapes ~nstalled m
accordance w~th the manufacturer's mstallanon mstrnct~ons Pressure class]ficanons
spec]tic to the duct system shall be clearly mdmated on the construction documents m
accordance w~th the Internattonal Mechamcal Code
{Exceptton ts unchanged}
(17) Sectton 802.2, Replace blank tables 802 2 (1-4) with the completed tables
provtded on the followmg four pages. Delete tables 802 2 (5-37)
TABLE 802 2(1)
BUILLOINO ENVELOPE REQUIREMENTS
WINDOW AND GLAZED DOOR .aAREA 10 PERCENT OR LESS OF ABOV£E GRADE WALL
AREA
ELEMENT CONDITION/VALUE (Zonees 5B~6B)
Skylights (U-factor) 1
Sl~b or below ~lrade wall (R value)~) R 0
Windows and glass doors SHGC U factor
PF < 0 25 Any Any
O 25 <_ PF < 0 50 Any Any
PF · 0 50 Any Any
Roof assemblies (R value) Insulation between Continnuous insulation
framlns
All-wood Joist/truss R 19 R-16
Metal joist/truss R 25 R-17
Concrete slab or deck NA R 16
Metal purlin with thermal block R 25 R-17
Metal purlin without thermal block X R 17
FJQors over outdoor a r or insulation between Continnuous insulation
unconditioned space (R-value) framln~
Ail-wood joist/truss R-I 1 R 6
Metal Joist/truss R-11 R 6
Concrete slab or deck NA R 6
Above-grade walls (R-value) No frarnln9 Metal framing Wood framln~l
Framed
c~r~l-value cavity NA R 11 R-11
value continuous NA R-O R 0
U, _> 8 in ~ with nte,~ral msutahon ~
R value cavity NA R 0 R 0
R-value continuous R 0 R 0 R-0
Other masonry walls
R value cavity NA R 0 R 0
R-value continuous R 0 R 0 R-0
Page 39
TABLE 802 2(2)
BUILDING ENVELOPE REQUIREMENTS
WINOOW AND GLAZED DOOR AREA OVER t0 PERCENT BUT NOT GREATER THAN 25
PERCENT OF ABOVE GRADE WALL AREA
ELEMENT CONDITION/VALUE
Skylights (U factor)
Slab o'r below-grade wall (R vatua) R-O
Wlndc~wa and glass doors SHGC U factor
PF < 0 25 0 6 Any
0 25.< PF < 050 07 Any
PF > 0 50 Any Any
Roof assemblies (R-value) Insulation between Continuous insulation
framing
All wood jolsUtmse R 25 R-19
Metal joist/truss R 25 R-20
Concrete slab or deck NA R 19
Metal purlin with thermal block R-30 R 20
Metal purhn without thermal block X R-20
Floor~ over outdoor air or Insulation between Continuous insulation
unconditioned space (R value) framing
All wood joist/truss R 11 R-6
Metal joist/truss R 11 R 6
Con~3reta slab or deck NA R-6
Above-grade wails {R-value) No framing Metal framing Wood framing
Framed
R value cavity NA R 11 R 11
R value conhnuous NA R 0 R~O
CMU? 8 in ~ w~th integral Insulat~on
R-value cawty NA R 11 R 11
R va!ua continuous R 5 R 0 R 0
Other,masonry walls
R va)ua cavity NA R 11 R 11
R value continuous R-5 R 0 R-0
Page 40
TABLE 802 2(3)
BUILDING ENVELOPE REQUIREMENTS
WINDOW AND GLAZED DOOR AREA OVER 25 PERCENT BUT NOT GRREATER THAN 40
PERCENT OF ABOVE GRADE WALL AREA
ELEMENT CONDITION/VALUUE
Skylights (U factor) 1
Slab or below grade wall (R value) R 0
Windows and glass doors SHGC U factor
PF<025 04 07
025<PF<050 05 07
PF>050 06 07
Roof assembllee {R-value) Insulation between Contmnuous insulation
framing
All-wood jo~st/truss R 25 R 19
Metal joist/truss R 25 R 20
Concrete slab or deck NA R 19
Metal purhn with thermal block R 30 R 20
Metal purhn without thermal block X R 20
Floors over outdoor air or Insulation between Continnuous Insulat~on
unconditioned space (R value} framing
All,wood lolst/truss R 11 R 6
Metal joist/truss R 11 R 6
Concrete slab or deck NA R 6
Above-grade walls (R-value) No framing Metal framing Wood framing
Framed
R yalue cavity NA R 11 R 11
R value continuous NA R 0 R 0
CMtJ~ ,,>,, 8 in ~ w~th integral Insulation
R value cavity NA R-11 R-I 1
R value continuous R 5 R 0 R 0
Other masonry walls
R value cavity NA R 11 R 11
R-value continuous R 5 R 0 R 0
Page 41
TABLE 802 2(4)
BUlL DING ENVELOPE REQUIREMENTS
WINDOW AND GLAZED DOOR A~REA OVER 40 PERCENT BUT NOT GRtEATER THAN 50
PERCENT OF ABOVE GRADE WALL AREA
ELEMENT CONDITION/VALUlE
Skyl ~hta (U factor) 1
Slab er balow~rade wall (R value)l R O
Win( owe and glass doors SHGC U factor
PF<02$ 04 07
025_< PF < 0 50 05 07
PF>050 06 07
Roo~assembllas (R value) Insulation between Contimuous ~nsulatlon
framing
All wood joist/truss R 25 R-19
Metal joist/truss R-25 R 20
Concrete slab or deck NA R 19
Metal purlin w~th thermal block R 30 R 20
Metal purlin without thermal block R 38 R 20
Floors over outdoor air or Insulatlon between Contimuous Insulabon
unconditioned space (R value) framing
All wood joist/truss R 11 R-6
Metal joist/truss R 11 R 6
Concrete slab or deck NA R 6
Aboye grade wails (R value) No framing Metal framing Wood framing
Frarqed
R-v91ue cavity NA R-13 R 11
R value continuous NA R 3 R 0
CMtj, _> 8 in with Inte,~ral insulation
R-value cav ty NA~ NA R 11 R 11
R ~a ue continuous R 5 R 0 R 0
Other masonry walls
R value cavity NA R 11 R 11
R value continuous R 5 R 0 R-0
(18) Sqctton 805.2 1 Intertor Lighting Controls; add a thtrd sentence to read.
Large ispaees shall have a separate swtteh or control for each 2500 square feet of floor
area
(19) Chapter 9; Replace referenced standard as follows
ASHRAE/IES -- 93 Energy Code for Commerctal and Htgh-l~tse Restdenttal Buddings -
Based on ASHRAE/IES 90 1-1989 - w~th Rews~ons thru October 7, 1997 ~ncludmg
Errata and Addendum 90 lc-1993 ASHRAE/IES -- 99 Energy Efficient Destgn of New
Bmldmgs Except Low-Past Res~denttal Bmldmg -- 1999 Edttton
SECTION 2. That ff any prowston of thts ordinance or the apphcat~on thereof' to
any person or ctrcumstances ts held mvahd, such mvahd~ty shall not affect other
provtstons or appheattons, and to thts end the prov~stons of thts ordinance are severable
SECTION 3. That all provtstons of the ordinances of the Ctty of Denton tn
conflict with the provtstons of thts ordinance are hereby repealed, and all other provtstons
of the orchnanees of the C~ty of Denton, not m confltct w~th the provtstons of thts
orchnance, shall rem~un tn full force and effect
Page 42
SECTION 4. That any person wolat~ng any provis~on of this ordinance shall,
upon conviction, be fined a sum not to exceed two thousand dollars ($2000 00) Each day
that a provmon of th~s Ordinance ~s wolated shall constitute a separate and &stmct
offense
SECTION 5 That this or&nance shall become effective fourteen (14) days from
the date of its passage, and the C~ty Secretary ~s hereby &rected to cause the caption of
this ordinance to be pubhshed twice m the Denton Record Chromcle, the officml
newspaper of the C~ty of Denton, Texas, within ten (10) days of the date of~ts passage
PASSED AND APPROVED th~s the ~7~ day of )k~~ ,2001
Euhne Brock, Mayor
ATTEST
JENNIFER WALTERS, CITY SECRETARY
APPROVED AS TO LEGAL FORM
HERBERT L PROUTY, CITY ATTORNEY
S \Our Documents\Ordinances\01\2000 Building I CODES doc
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