1996-160J \WPDOCS\ORD\MEC~
ORDINANCE NO
AN ORDINANCE OF THE CITY OF DENTON AMENDING CHAPTER 28, SECTIONS
251 AND 252 OF THE CODE OF ORDINANCES OF THE CITY OF DENTON, TEXAS,
ADOPTING THE 1994 UNIFORM MECHANICAL CODE WITH CERTAIN AMENDMENTS,
DELETIONS, AND ADDITIONS THERETO, PROVIDING FOR A SEVERABILITY
CLAUSE AND REPEALING CLJkUSE, PROVIDING A PENALTY NOT TO EXCEED FIVE
HUNDRED DOLLARS, AND PROVIDING FOR AN EFFECTIVE DATE
THE COUNCIL OF THE CITY OF DENTON HEREBY ORDAINS
SECTION I That Section 28-251 of the Code of Ordinances of
the City of Denton, Texas, is hereby amended to read as follows
Sec 28-251 Adopted
The Un~form Mechanical Code, 1994 Edition, together with
Appendix C thereto, as published by the International Conference of
Building Officials, is hereby adopted and designated as the
mechanical code of the city, the same as though that edition of
such code were copied at length herein, subject to the deletions
and amendments enumerated in Section 28-252 A copy of such code
and appendix shall be maintained in the Office of the City
Secretary
SECTION II That Section 28-252 of the Code of Ordinances of
the City of Denton, Texas, is hereby amended to read as follows
Sec 28-252 Amendments
The Un~form Mechanical Code, 1994 Edition, adopted in Section
28-251, is hereby amended in the following respects
(1) Section 103, ScoPe Section 103 is amended by deleting
subsections 103 4, 103 5, and 103 7
(2) Section 110 1, Board of Appeals Section 110 1 ~s
amended to read as follows
In order to determine the suitabilIty of alternate
materials and methods of construction and to provide for
reasonable interpretations of this code, the plumbing and
mechanical board, as established and described in section
28-271 et seq of the Code ~s created
(3) Section 112 2, Exempt Work Section 112 2 is amended by
adding subsection 6 to read as follows
6 Only a building permit shall be required for each new
one and two-family dwelling not exceeding four thousand
five hundred ninety-nine (4,599) square feet ~n floor
area and for each new mult~fam~ly complex
(4) Section 114 1 2, Partial Permits Section 114 1 2
deleted
(5) Section 115 3, Plan Review Fees Section 115 3
deleted
(6) Section 115 6 1, Bulldln~ permit fee refund Section
115 6 1 zs deleted
(7) Section 115 6 2, Plan review fee refund Section 115 6 2
is deleted
(8) Section 117 2, Temporary Connections Section 117 2
amended to read as follows
The building official may authorize temporary connection
of the mechanical equipment to the source of energy or
fuel for the purpose of testing equipment or for the
temporary use for a period of time not to exceed sixty
(60) days, provided such energy-fuel system meets the
requirements of the plumbing or electrical code,
whzchever is applicable, regarding safety
(9) Table No i-A, Mechanical Permit Fees Table No I-A,
Mechanical Permit Fees, zs amended to read as follows
Mechanical Permit Fees
Permit Issuance
1 Pot the issuance of each permit $15 00
2 For issuing each supplemental permit 4 50
Unit Fee Schedule
1 For the installation or relocation of each forced-a~r or
gravity-type furnace or burner, including ducts and vents
attached to such appliance, up to and including 100,000
Btu/h 9 00
2 For the installation or relocation of each forced-air or
gravity-type furnace or burner, including ducts and vents
attached to such applIance over 100,000 Btu/h 11 00
3 For the installation or relocation of each floor furnace,
Including vent 9 00
4 For the installation or relocation of each suspended heater,
recessed wall heater or floor-mounted unit heater 9 O0
5 For the installation, relocation or replacement of each
appliance vent installed and not included in an appliance
permit 4 50
6 For the repair of, alteration of, or addition to each heating
appliance, refrigeration unit, cooling unit, absorption unit,
or each heating, cooling, absorption, or evaporative cooling
system, including installation of controls regulated by this
code 9 00
7 For the installation or relocation of each boiler or
compressor to and including three horsepower, or each
absorption system to and including 100,000 Btu/h 9 00
8 For the lnstallatmon or relocation of each boiler or
compressor over three horsepower to and lncludzng 15
horsepower, or each absorption system over 100,000 Btu/h and
lncludmng 500,000 Btu/h 16 50
9 For the installation or relocation of each boiler or
compressor over 15 horsepower to and including 30 horsepower,
or each absorption system over 500,000 Btu/h to and lncludmng
1,000,000 Btu/h 22 50
10 For the installation or relocation of each boiler or
compressor over 30 horsepower to and including 50 horsepower,
or for each absorptmon system over 1,000,000 Btu/h to and
including 1,750,000 Btu/h 33 50
11 For the installation or relocation of each boiler or
refrigeration compressor over 50 horsepower, or each
absorption system over 1,750,000 Btu/h 56 00
12 For each air-handling unmt to and including 10,000 cubic feet
per minute, including ducts attached thereto 6 50
Note: This fee shall not apply to an air-handling unit which
ms a portmon of a factory assembled appliance, cooling unit,
evaporative cooler or absorption unit for which a permit is
required elsewhere in this code
13 For each amr-handllng unit over 10,000 cfm 11 00
14 For each evaporatmve cooler other than portable type 6 50
15 For each ventmlatmon fan connected to a single duct 4 50
16 For each ventilation system which is not a portion of any
heating or alr-condltmonlng system authorized by a permit 6 50
17 For the ~nstallatlon of each hood which is served by
mechanmcal exhaust, including the ducts for such hood 6 50
18 For the installation or relocation of each domestic-type
mnclnerator 11 00
19 For the installation or relocation of each commercial or
zndustrzal-type zncznerator 45 00
20 For each appliance or piece of equzpment regulated by this
code but not classed in other appliance categories, or for
whzch no other fee zs lzsted zn this code 6 50
(10) Table No i-A, Other InsDectzons and Fees Table No 1-A
zs amended to read as follows
Other InsDectzons and Fees
1 Inspections outside of normal bus~ness
hours, per trzp $40 00
2 Re~nspect~on fees assessed under provisions
of Section 116 6, per trip $20 00
3 Inspectzons for whzch no fee zs speczfzcally
zndzcated, per trip $20 00
4 Addztzonal plan revzew requzred by changes,
addztzons or revzszons to approved plans $20 00
(11) Section 303 1 , TvDe of Fuel and Fuel Connectzons-
General Sectzon 303 i zs amended to read as follows
Each applzance shall be deszgned for use wzth the type of
fuel to which zt wzll be connected Applzances shall not
be converted from the fuel speclfzed on the ratzng plate
for use with a dzfferent fuel unless the converted
applzance zs properly relabeled and the converszon zs
made as recommended by the manufacturer of the orlgznal
equipment or the conversion equipment
(12) Sectzon 304 6, Llauzfzed Petroleum Gas ADDlzances The
last sentence of Sectzon 304 6 zs deleted
(13) Sectzon 308, Locatzon in Garages and Warehouses
Subsections 308 1, 308 2, and 308 3 are amended to read as follows
Heatzng and coolzng equzpment whzch generates a glow or
spark or flame capable of zgnltzng flammable vapors may be
located zn garages provzded that
1) The pzlots and burners or heating elements and
swztches of such equipment are located at least ezghteen
(18) inches above the floor level, and
2) Such heatzng or cooling equzpment ls located zn an
approved compartment havzng a tight fzttzng door assembly
adequately sealed to retard the entrance of flammable
vapors All combustzon azr for such znstallatzons shall
be supplied from outside the building or from a properly
ventilated attic space
(14) Sectlon 327 6, Unvented Section 327 6 ls amended by
addlng the following exception
ExceDtlon Unrented flreplaces which comply w~th ANSI Z
21 11 2, are AGA approved, are equipped with an Oxygen Depletion
Safety Shutoff System, and approved for ~nstallat~on and use may be
used
(15) Section 508 1, Where Hoods Are Required Section 508 1
is amended by addlng a second paragraph to read as follows
The above requirements shall not apply to domestic-type
cooking equipment located ~n day care facilities, churches,
employee lunchrooms or s~mllar uses which are no more hazardous
than k~tchen facilities ~n an ~nd~v~dual unit
(16) Section 601 1, Mater~al Section 601 1 is amended to
read as follows
Mater~al supply a~r, return a~r and outside air for heating,
coollng or evaporatlve cooling systems shall be conducted through
duct systems constructed of metal as set forth in Tables 6-A, 6-B
and 6-C, metal ducts complying wlth U M C Standard 6-2 with prior
approval, or factory-made air ducts complying w~th U M C Standard
6-1 Ducts, plenums and f~tt~ngs may be constructed of asbestos
cement, concrete, clay or ceramics when ~nstalled ~n the ground or
· n a concrete slab, provided the ~o~nts are tightly sealed
P V C , A B S , and F~berglass ducts may be used if installed
according to manufacturer specifications
(17) Sectlon 601 4, Factory-made A~r Ducts Section 601 4 ~s
amended to read as follows
Factory-made alr ducts Factory-made a~r ducts shall be
approved for the use intended or shall conform to the requirements
of U M C Standard 6-1 Each port~on of a factory-made a~r duct
system shall be identified by the manufacturer with a label or
other suitable ~dent~f~catlon indicating compliance with U M C
Standard 6-1 and U M C Standard 6-5 and ~ts class designation
These ducts shall be l~sted and shall be installed ~n accordance
with the terms of thelr listing, and the requirements of U M C
Standard 6-1 and Standard 6-5
(18) Sectzon 702 3, Louvers, Grilles and Screens Section
702 3 ls amended by adding the following sentence
Ducts conveying a~r from an attic space shall extend at
least two ~nches above ~nsulat~on or other obstructions
The attic space shall be ventilated by fresh-a~r openings
or louvers on a vertical wall or at two different levels
or elevations
(19) Section 801 2, Limitations Section 801 2 is amended by
deleting the second sentence
(20) Section 801,4, ADDllance Deslqned for Type B Vents
Section 801 4 ~s amended to read as follows
Gas venting systems serving appliances equipped w~th
draft hoods and appliances listed for use with Type B
vents may be designed ~n accordance w~th tables ~n
Appendix C Chapter 8
(21) Section 810, Ex~stlnq Ventlna Systems Section 810 ~s
amended by removing the word "lawfully" from subsection 1
SECTION III. That ~f any section, subsection, paragraph,
sentence, clause, phrase or word ~n this ordinance, or application
thereof to any person or circumstance ~s held invalid by any court
of competent jurisdiction, such holding shall not affect the
validity of the remaining portions of th~s ordinance, and the C~ty
Council of the C~ty of Denton, Texas, hereby declares it would have
enacted such remaining portions despite any such ~nval~d~ty
SECTION IV. All ordinances or parts of ordinances ~n force
when the prov~slons of th~s ordinance become effective which are
~nconszstent or zn conflict wzth the terms or provzszons contazned
· n th~s ordinance are hereby repealed to the extent of any such
conflict
SECTION V That th~s ordinance shall become effective
fourteen (14) days from the date of ~ts passage, and the City
Secretary is hereby d~rected to cause the caption of th~s ordinance
to be publlshed twice in the Denton Record-Chronicle, the official
newspaper of the C~ty of Denton, Texas, w~thln ten (10) days of the
date of its passage
PASSED AND APPROVED this the/~7~ay of ~~____, 1996
JAC~
ATTEST
JENNIFER WALTERS, CITY SECRETARY
APPROVED AS TO LEGAL FORM:
HERBERT L. PROUTY, CITY ATTORNEY