HomeMy WebLinkAboutOrdinance - 2011-O0116 - Amending Ch 28 International Residential Code For 1 Or 2 Family Dwellings - 11/16/2011First Reading
November 16, 2011
Item No. 5.15
ORDINANCE NO. 20ll-00ll6
Second Reading
December 1, 2011
Item No, 5.12
AN ORDINANCE AMENDING CHAPTER 28 OF THE CODE OF
ORDINANCES OF THE CITY OF LUBBOCK, TEXAS WITH REGARD TO
ADOPTION OF THE 2009 INTERNATIONAL RESIDENTIAL CODE AND
PROVIDING FOR CERTAIN AMENDMENTS THERETO TO MEET LOCAL
CONDITIONS; PROVIDING A PENALTY; PROVIDING A SAVINGS CLAUSE;
AND PROVIDING FOR PUBLICATION.
WHEREAS the City Council of the City of Lubbock, Texas deems it in the
best interest of the health, safety, and welfare of the citizens of Lubbock to adopt the
2009 International Residential Code for the City of Lubbock with certain
amendments thereto to meet local conditions; NOW THEREFORE:
BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY OF LUBBOCK:
SECTION 1. THAT Chapter 28, Article 28.14 of the Code of Ordinances of the City
of Lubbock is hereby amended as follows:
ARTICLE 28.14 INTERNATIONAL RESIDENTIAL CODE
Sec. 28.14,001 Adopted.
The 2009 Edition of the International Residential Code (third or later
printing), as published by the International Code Council, Inc., as hereinafter
amended, including Appendices A-D, G, N, and 0, and excluding Part VIII
(Electrical) and Appendices E-F, H-M, P and Q is hereby adopted as the
residential code of the City of Lubbock, Texas. A copy of said code is
attached hereto and incorporated herein as though set out herein in detail.
References to the Residential Code in this chapter shall mean the 2009 Edition
of the International Residential Code. One copy of the 2009 International
Residential Code shall be filed with the City Secretary and a copy shall be
maintained in the office of the City Building Official. All such copies, with
the amendments thereto, shall be open to public inspection during the usual
hours of business of the offices where they are maintained.
Sec. 28.14.002 Coordination of administrative provisions.
The administrative provisions contained in chapter 28, articles 28.01 through
28.08 of this Code of Ordinances are applicable to this article; however, for
purposes of administering provisions related more specifically to the
regulation of one-and two-family dwelling construction, these supplemental
administrative provisions have been provided. Except as amended or
supplemented within sections 28.14.002 and 28.14.003, the entire text of
chapter 1 of the 2009 International Residential Code is deemed to be
incorporated herein as though set out herein in detail. Where a conflict arises
between a provision contained within sections 28.14.002 and 28.14.003 and
chapter 28, articles 28.01 through 28.08 of this Code of Ordinances, it is the
intent that the more specific govern, as determined by the building official.
Sec. 28.14.003 Supplemental administrative amendments.
(a) Administrative amendments and cross-references to articles 28.01
through 28.08. The following administrative provisions within chapter 1 of the
International Residential Code are hereby stricken, and the corresponding
provisions within articles 28.01 through 28.08 of this Code of Ordinances
shall govern, as indicated in table 28.14.003 below:
TABLE 28.14.003(a)
ADMINISTRATIVE PROVISIONS CROSS-REFERENCE
2009 Refer to
International Lubbock
Residential Section Code of
Code Section Heading/Subject Ordinances
Chapter
Section
Rl05.2 Work exempt from 28.05.019 permit
Submittal documents
R106.1 & and information on 28.05.003,
R106.l.1 construction 28.05.004
documents
RllO Certificate of 28.06.007
Occupancy
Rl 12 Board of Appeals 28.03.491
through
28.03.495
R113.4 Violation penalties 28.02.006
Rl 14 Stop work orders 28.02.007
(b) Schedule of permit fees. Section RI08.2 is hereby amended to read as
follows:
Rl 08.2 Schedule of permit fees. On buildings, structures, electrical, gas,
mechanical and plumbing systems or alterations requiring a permit, a fee for
each permit shall be paid as required, in accordance with the schedule as
established by the City Council. Fees for electrical, gas, mechanical and
plumbing systems are included in articles 28.10, 28.11, 28.12, 28.13 and
28 .15 of this Code of Ordinances. Fees for buildings and structures within the
scope of this article are as set forth in the following schedule:
CITY OF LUBBOCK CONSTRUCTION PERMIT FEE SCHEDULE
One and Two-Family Dwellings & Ancillary Structures
(Shaded areas do not apply)
RESIDENTIAL
PERMIT/PROJECT/FEE COMMERCIAL (1-2 Family
CATEGORY Dwellings &
Ancillary)
BUILDING PERMITS
New home or duplex:
$0.07 per sq. ft. of
All buildings: $0.20 per conditioned space
New
Construction sq. ft. of gross floor Accessory and/or under roof unconditioned buildings:
$0. IO per sq. ft. under
roof
Additions to As for new construction $0.10 per sq. ft. under
floor area roof
Alterations & $2.25 per $1,000.00 $1.50 per $1,000.00 remodeling (no construction valuation, construction valuation, change in $30.00 minimum $30.00 minimum building area):
Demolition $30.00
All others $30.00 (generic)
Minimum
building permit $30.00 (Where more than one inspection is required, an
fee ( all classes, additional fee of$ I 5. 00 shall be assessed for each additiona I
unless noted inspection)
otherwise)
10% of building permit
Advwice Plwi fee, $30.00 min., $100.00
Review Fee: max., to be credited
toward final review fee
Plan Review 25% of building permit Fee (payable fee with pennit): Not Applicable
Review fee, None first revision:
Review fee, 5% of building pennit,
second and $30.00 minimum,
subsequent $100.00 maximum (in
revisions: advance)
Review fee, 5% of building permit,
change orders $30.00 minimum,
and other $100.00 maximum (in
modifications: advance)
House/building $30.00 (Building permit fees will apply to final set up in city
moving permit: limits, but are not the responsibility of the moving contractor)
CITY OF LUBBOCK CONSTRUCTION PERMIT FEE SCHEDULE
One and Two-Family Dwellings
(Shaded areas do not apply)
RESIDENTIAL
PERMIT/PROJECT/FEE COMMERCIAL (l-2 Family
CATEGORY Dwellings &
Ancillary)
BUILDING PERMITS
One location involved: 200% of normal building permit fee.
Two locations involved: 200% of normal permit fee for first
site, 300% of normal permit fee for second site.
Permit fees, Three or more locations involved: As above, except that the work
commencing third and subsequent sites shall each be assessed fees of 400%
prior to permit of the normal pennit fees.
approval: Re-roofing, demolition, and house-moving fees shall be the
greater of$100.00 or 200% of the normal permit fee for each
site involved.
Investigative inspection fees of $60.00, as deemed necessary
Renewal of One-half oforiginal building permit fees expired permit:
Renewal of Greater of$ I00.00 or 200% of the original permit fees; Where involuntarily
terminated utilities have been terminated due to illegal occupancy, the
permit: fees shall be paid prior to re-establishment of uti I ity service
Scope of work unchanged from original permit: Original fee,
not to exceed $250.00
Permit transfer Scope of work varies .from original permit: Fees as for new fee: construction
Investigative inspection fees of$60.00 may be necessary
First re-inspection: $30.00
Re-inspection
Fees: Second re-inspection: $45.00
Third re-inspection: $60.00
Fourth and subsequent re-inspections: $75.00
CITY OF LUBBOCK CONSTRUCTION PERMIT FEE SCHEDULE
PERMIT/PROJECT/FEE
CATEGORY
One and Two-Family Dwellings
(Shaded areas do not apply)
COMMERCIAL
BUILDING PERMITS
RESIDENTIAL
(1-2 Family
Dwellings &
Ancillary)
Investigative
inspection fee:
Single $60.00; Subsequent buildings $25.00
Where associated with an
active building permit for a
new building, remodel, I
renovation or addition: No
Charge
Existing buildings:
Replacement of lost
Certificate: $30.00
Reissue due to a change in
occupancy classification, or I
the expiration of two years I
since the last inspection of
Certificates of the premises: I
Occupancy or I
Completion: Single building:
Not Applicable
I
$60.00 inspection fee plus
$30.00 C.O. fee;
Multiple buildings: I
$60.00 inspection fee for the
first building plus $30.00
C.O. fee;
Subsequent buildings: $25.00
inspection fee plus $15.00
C.O. fee
(c) Inspections. Section Rl 09 is hereby amended to read as follows:
Rl 09 .1 Types of inspections. For on-site construction, from time to time the
building official, upon notification from the permit holder or his agent, shall
make or cause to be made any necessary inspections and shall either approve
that portion of the construction as completed or shall notify the permit holder
or his or her agent wherein the same fails to comply with this or other
applicable codes and requirements.
RI 09.1.1 Foundation inspection. Inspection of the foundation shall be made
after poles or piers are set or trenches or basement areas are excavated and any
required forms erected and any required reinforcing steel is in place and
supported prior to the placing of concrete. The foundation inspection shall
include excavations for thickened slabs intended for the support of bearing
walls, partitions, structural supports, or equipment and special requirements
for wood foundations.
Rl 09.1.2 Plumbing, mechanical. gas and electrical systems inspection. Rough
inspection of plumbing, mechanical, gas and electrical systems shall be made
prior to covering or concealment, before fixtures or appliances are set or
installed, and prior to framing inspection.
Exception: Ground-source heat pump loop systems tested in accordance with
Section M2 l 05.1 shall be permitted to be backfilled prior to inspection.
RI 09.1.3 Floodplain inspections. For construction in areas prone to flooding
as established by Table R301.2{1), upon placement of the lowest floor,
including basement, and prior to further vertical construction, the building
official shall require submission of documentation, prepared and sealed by a
registered design professional, of the elevation of the lowest floor, including
basement, required in Section R324.
Rl 09. l .4 Frame and masonry inspection. Inspection of framing and masonry
construction shall be made after the roof, masonry; all framing, fire stopping,
draft stopping and bracing are in place and after the plumbing, mechanical and
electrical rough inspections are approved.
Rl 09.1.5 Other inspections. In addition to the called inspections above, the
building official may make or require any other inspections to ascertain
compliance with this code and other laws enforced by the building official.
R 109.1.5 .1 Fire-resistance-rated construction inspection. Where fire-
resistance-rated construction is required between dwelling units or due to
location on property, the building official shall require an inspection of such
construction after all lathing and/or wallboard is in place, but before any
plaster is applied, or before wallboard joints and fasteners are taped and
finished.
Rl09.l.5.2. Reinforced masonry, insulating concrete form (ICF) and
conventionally-formed or earth-formed concrete wall inspection. Reinforced
masonry walls, insulating concrete form (ICF) walls and conventionally
formed or earth formed concrete walls shall be inspected after plumbing,
mechanical and electrical systems embedded within the walls, and reinforcing
steel is in place and supported and prior to placement of grout or concrete.
Inspection shall verify the correct size, location, embedment depth,
clearances, spacing and lapping of reinforcing and other embedded items. For
masonry walls, inspection shall also verify that the location of grout cleanouts
and size of grout spaces comply with the requirements of this code, and that
grout pour heights are not exceeded.
Rl 09.1.6 Final inspection. Final inspection shall be made after the permitted
work is complete and prior to occupancy.
RI 09 .2 Inspection agencies. The building official is authorized to accept
reports of approved agencies, provided such agencies satisfy the requirements
as to qualifications and reliability. Where the use of inspection agencies is
desired or contemplated, the permittee shall request approval of said agencies
sufficiently in advance of the need for the subject inspection(s).
RI 09 .3 Inspection requests. It shall be the duty of the permit holder or their
agent to notify the building official that such work is ready for inspection. It
shall be the duty of the person requesting any inspections required by this
code to provide access to and means for inspection of such work.
R109.4 Approval required. Work shall not be done beyond the point indicated
in each successive inspection without first obtaining the approval of the
building official. The building official upon notification shall make the
requested inspections and shall either indicate the portion of the construction
that is satisfactory as completed, or shall notify the permit holder or an agent
of the permit holder wherein the same fails to comply with this code. Any
portions that do not comply shall be corrected and such portion shall not be
covered or concealed until authorized by the building official.
Sec. 28.14.004 Technical amendments.
(a) Definitions. Section R-202 is hereby amended by adding a new
definition as follows:
Engineered fill. Soil used for fill or backfill that has been placed, compacted
and tested in accordance with the specifications of the structural or
Ground
geotechnical engineer of record, or, where such specifications do not exist,
that has been classified, placed, compacted and tested to a minimum 95% of
standard proctor density in accordance with accepted industry standards.
(b) Climatic and geographic design criteria. Section R301.2(1) is hereby
amended by insertion of the following local climatic and geographic design
criteria into table R301.2(1):
TABLE R301.l.l
CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA
Wind Seismic Subiect 10 DamH~ e From Air
Snow Speed Design Weather-
ing
Frost
Linc
Depth
Termite
Wint~r
Design
Temp
Ice Bnrricr
Umlerlnymcnt
Requ'd
Flood
Hazards Freezing
Lond mph Category Index
15 psf I 90 I mph A M d 12., Moderate I 180 N o crate to Heavy o Not~ l
Note I: See Lubbock Municip11I Code article 30.03
(c) Exterior walls. Section R302.l is herby amended by the addition of a new
exception #6 to read as follows:
6. In garden home developments with easements specifically allowing overhangs
to project into adjacent lots, overhangs may project a maximum of 2 feet
across the property line. Such overhangs must be one-hour fire resistive
construction and be decked with fire retardant treated decking. The overhang
shall not be equipped with soffit vents.
(d) and (e): (No change)
(f) Automatic fire sprinkler systems. Section R313 is hereby deleted.
(g) Storm shelters (General), Section R323.1 is hereby amended to read as
follows:
R323. l Storm shelters (General}. This section applies to the construction of
storm shelters when constructed as separate detached buildings or when
constructed as rooms within buildings for the purpose of providing safe refuge
from storms that produce high winds, such as tomados and hurricanes. In
addition to other applicable requirements in this code, such storm shelters
shall be constructed in accordance with ICC/NSSA-500.
Exception: Basements designated as storm shelters for purposes of complying
with Exception 1 or 2 to Section R310.1 need not be constructed in
accordance with ICC/NSSA-500.
172
l\lcan
Ann-
Uij)
Temp
59.9°
(h) Minimum size (of footings). Section R403. l. l is hereby amended to
read as follows:
R403.1.1 Minimum size. Minimum sizes for concrete and masonry footings
shall be as set forth in The City of Lubbock Residential Foundation Design
Manual, adopted by reference as though fully set out herein.
(i) Minimum depth (of fill). Section R403. l.4 is hereby amended to read
as follows:
Section R403. l .4. Minimum depth. All exterior footings shall be placed at
least 12 inches (305 mm) below the undisturbed ground or engineered fill (see
definition) surface. Where applicable, the depth of footings shall also conform
to Sections R403. l .4.1 through R403.1.4.2.
G) Foundation anchorage. Section R403.1.6. is hereby amended by the
addition of a fourth exception to read as follows:
4. Approved powder-actuated pins may be used in lieu of anchor bolts
within twelve (12) inches of the ends of sole plates.
(k) Foundation elevation. Section R403 .1. 7 .3 is hereby amended to read as
follows:
R403. l.7.3. Foundation elevation. The lowest portion of a building finished
floor elevation shall be installed no lower than that indicated in Table
R403.1.7.3 below:
TABLE R403.1.7.3
Minimum Floor Elevations for Structures Relative to Lot Slope
Elevation Min. Floor Min. Floor Difference-Elevation above Elevation above Top of curb top of curb when top or curb when to rear
property slope is from front slope is from rear
line (inches) to rear (inches) to front (inches)
0 12 12
6 10.5 13.5
12 9 15
18 8 16.5
24 6 18
30 6 19.5
36 6 21
I) The ground shall slope away from the structure in all directions as required elsewhere in this
code;
2) The minimum distance from the finished ground elevation to the top of the floor shall be
ei2ht (8} inches at all locations around the building;
I
3) Minimum floor elevations. The minimum floor elevation shall be determined by using the
top of the floor slab and shall be a minimum of six (6) inches above the calculated peak
water surface elevation as determined b)' the cit)' engineer, or that determined b)' Table
R403.1.7.3, whichever results in the more slringent requirement. It shall be the responsibility
of the builder/contractor to provide the city building official with a surve)' certificate
indicating the required finish floor elevation us determined by the surveyor. The required
elevation shall be indicated on the construction plans and marked on the front street curb.
Structures located in any floor hazard area shall compl)· with all F.E.M.A. regulations, which
will supersede the above.
4) Alternate elevations are permitted subject to the approval of the building official and cit)'
engineer, provided it can be demonstrated that required drainage to an approved point of
discharge and away from the structure is provided at all locations on the site.
(l) Concrete and masonry foundation walls. Sections R404.1. l and
R404. l.2 are hereby amended to read as follows:
R404. l. l Masonry foundation walls. Concrete masonry and clay masonry
foundation walls shall be constructed as set forth in Tables R404.1.1(1),
R404.l.1(2), R404.l.1(3) or R404.1.1(4) and shall also comply with the
applicable provisions of Sections R606, R607 and R608. Where applicable,
such walls shall be designed and constructed in accordance with the City of
Lubbock Residential Foundation Design Manual, adopted by reference as
though fu!!y set out herein. In Seismic Design Categories DO, DI and D2,
concrete masonry and clay masonry foundation walls shall comply with
Section R404.1.4. Rubble stone masonry foundation walls shall be constructed
in accordance with Sections R404. l .8 and R606.2.2. Rubble stone masonry
walls shall not be used in Seismic Design Categories DO, D 1 and D2 .
R404.1.2 Concrete foundation walls. Concrete foundation walls that support
light-frame walls shall be designed and constructed in accordance with the
provisions of this section, ACI 318, ACI 3 32, PCA 100, or the City of
Lubbock Residential Foundation Design Manual, adopted by reference as
though fully set out herein. Concrete foundation walls that support above-
grade concrete walls that are within the applicability limits of Section R611 .2
shall be designed and constructed in accordance with the provisions of this
section, ACI 318, ACI 332 or PCA 100. Concrete foundation walls that
support above-grade concrete walls that are not within the applicability limits
of Section R611.2 shall be designed and constructed in accordance with the
provisions of ACI 318, ACI 332 or PCA 100. When ACI 318, ACI 332, PCA
100 or the provisions of this section are used to design concrete foundation
walls, project drawings, typical details and specifications are not required to
bear the seal of the architect or engineer responsible for design, unless
otherwise required by the state law of the jurisdiction having authority.
(m) Concrete or masonry foundations. The exceptions to Section 405.l are
hereby amended to read as follows:
Exceptions:
I. A drainage system is not required when the foundation is installed on
well-drained ground or sand-gravel mixture soils according to the Unified Soil
Classification System, Group I Soils, as detailed in Table R405. l.
2. A drainage system is not required for a basement wall footing where
the excavation for the basement wall does not result in a soil disturbance
closer than three (3) feet to the exterior roof drip line and there is no evidence
of groundwater infiltration.
(n) Foundation water management. Section R406 is hereby amended by
re-titling of the section and amended to read as follows:
SECTION R406
FOUNDATION WATER MANAGEMENT
406.1 Concrete and masonry foundation dampness resistance.
Except where required by Section R406.2 to be made water-resistant,
foundation walls that retain earth and enclose interior spaces and floors below
grade shall be treated to resist dampness from the top of the footing to the
finished grade. Masonry walls shall have not less than 3/8 inch (9.5 mm)
portland cement parging applied to the exterior of the wall. The parging shall
be treated in accordance with one of the following:
I. Bituminous coating,
2. 3 pounds per square yard (1.63 kg/m2) of acrylic modified
cement.
3. 1/8-inch (3.2 mm) coat of surface-bonding cement complying
with ASTM C 887.
4. Any material permitted in Section R406.2.
5. Other approved materials or methods.
Exception: Parging of unit masonry walls is not required where a material is
approved for direct application to the masonry.
Concrete walls shall be treated for resistance to dampness by applying any one
of the above listed materials or any one of the materials listed in Section
R406.2 to the exterior of the wall.
406.2 Concrete and masonry foW1dation water resistant barriers.
In areas where a high water table or other severe soil-water conditions are
known to exist, exterior foundation walls that retain earth and enclose interior
spaces and floors below grade shall be provided with water resistant barriers
from the top of the footing to the finished grade. Such barriers shall be in
accordance with one of the following:
1. 2-ply hot-mopped felts.
2. 55 pound (25 kg) roll roofing.
3. 6-mil (0.15 mm)polyvinyl chloride.
4. 6-mil (0.15 mm) polyethylene.
5. 40-mil (1 mm) polymer-modified asphalt.
6. 60-mil (1.5 mm) flexible polymer cement.
7. 1/8-inch (3 mm) cement-based, fiber-reinforced waterproof
coating.
8. 60-mil, (0.22 mm) solvent-free, liquid-applied synthetic rubber.
9. Other approved materials or methods.
Exception: Organic solvent based products such as hydrocarbons, chlorinated
hydrocarbons, ketones and esters shall not be used for ICF walls with
expanded polystyrene form material. Plastic roofing cements, acrylic coatings,
latex coatings, mortars and pargings are permitted to be used to seal ICF
walls. Cold setting asphalt or hot asphalt shall conform to type C of ASTM D
449. Hot asphalt shall be applied at a temperature of less than 200 degrees
Fahrenheit.
All joints in membrane barriers shall be lapped and sealed with an adhesive
compatible with the membrane.
406.3 Dampness resistance for wood foundations.
Wood foundations enclosing habitable or usable spaces located below grade
shall be treated for resistance to dampness in accordance with Sections
R406.3.1 through R406.3.4.
(o) Wood floor framing design and construction. Sections R502.2,
R502.2.2, R502.3, and R502.3.4 are hereby amended to read as follows:
R502.2 Wood floor framing design and construction. Floors shall be designed
and constructed in accordance with the provisions of this chapter, Figure
R502.2 and Sections R317 and R318 or in accordance with AF &P AINDS.
Basement floor-ceiling structural assemblies, where supporting a concrete
floor slab above, shall be constructed in accordance with Section R502.3 and
Figures R404.1.1(1), R404.1.1(2), R404.1.1(3), R404.l.1(4), R404.l.1(5),
R404.1.1(6) R404.1.2(1) and/or R404. l.2(2), as applicable (Figures contained
in the City of Lubbock Residential Foundation Design Manual, adopted by
reference as though fully set out herein).
R502.2.2. Decks. Where supported by attachment to an exterior wall and the
floor surface is 30" or more above grade, decks shall be positively anchored to
the primary structure and designed for both vertical and lateral loads as
applicable.
R502.3 Allowable joist spans. Spans for floor joists shall be in accordance
with Tables R502.3.1(1), R502.3.1.(2) or R502.3.4, as applicable. For other
grades and species and for other loading conditions, refer to the AF&P A Span
Tables for Joists and Rafters.
R502.3.4 Joists supporting concrete slabs. Joist assemblies supporting
concrete floor-ceiling assemblies shall not exceed the load assumptions or
joist spans indicated in Table R502.3.4 within the City of Lubbock Residential
Foundation Design Manual, adopted by reference as though fully set out
herein.
(p) Concrete floors on ground. General. Section R506.1 is hereby
amended to read as follows:
R506. l Concrete floors on ground, General. Concrete slab-on-ground floors
shall be a minimum 3.5 inches (89 mm) thick (for expansive soils, see Section
R403. l.8). The specified compressive strength of concrete shall be as set forth
in Section R402.2. To the extent applicable, concrete slab-on-ground floors
shall be constructed in accordance with the City of Lubbock Residential
Foundation Design Manual, adopted by reference as though fully set out
herein.
(q) Flashing. Section 703.7.5 is hereby amended to read as follows:
703.7.5 Flashing. Flashing shall be located within the first mortar bed joint
above finished ground level above the slab and at shelf angles and lintels that
are not protected by eaves or patio covers when masonry veneers are designed
in accordance with Section R703.7. See Section R703.8 and foundation details
S 1-S8 within the City of Lubbock Residential Foundation Design Manual for
additional requirements.
(r) Protection of exposed foundation insulation. Section Nl 101.7.l IS
hereby amended by deletion of the entire section.
(s) Basement walls. Section N1102.2.7 is hereby amended by deletion of
the entire section.
(t) Slab-on-grade floors. Section Nl 102.2.8 IS hereby amended by
deletion of the entire section.
(u) Insulation (duct). Section Nl 103.2.1 1s hereby amended to read as
follows:
Nll 03.2.1 Insulation. Supply and return ducts shall be insulated to a
minimum of R-6. Ducts in floor trusses shall be insulated to a minimum of R-
6.
Exception. Ducts or portions thereof located completely inside the building
thermal envelope.
(v) Sealing. Section Nl 103.2.2 is hereby amended to read as follows:
Nl 103.2.2. Sealing. Duct, air handlers, filter boxes, and building cavities used
as ducts shall be sealed. Joints and seams shall comply with Section M1601 .4.
(w) Sizing. Section Ml401.3 is hereby amended to read as follows:
M1401.3. Sizing. Heating and cooling equipment shall be sized by the
installing contractor based on building loads calculated in accordance with
ACCA Manual J or other approved heating and cooling calculation
methodologies.
(x) Auxiliary and secondary drain systems. Section Ml411.3.1 is hereby
amended to read as follows:
M 1411.3.1 Auxiliary and secondary drain systems. In addition to the
requirements of Section M1411.3, a secondary drain or auxiliary drain pan
shall be required for each cooling or evaporator coil where damage to any
building components will occur as a result of overflow from the equipment
drain pan or stoppage in the condensate drain piping. Such piping shall
maintain a minimum horizontal slope in the direction of discharge of not less
than 1/8 unit vertical in 12 units horizontal (I-percent slope). Drain piping
shall be a minimum of 3/4-inch (19 mm) nominal pipe size. One of the
following methods shall be used:
1. An auxiliary drain pan with a separate drain shall be provided under
the coils on which condensation will occur. The auxiliary pan drain
shall discharge to a conspicuous point of disposal to alert occupants in
the event of a stoppage of the primary drain. The pan shall have a
minimum depth of 1.5 inches (38 mm), shall not be less than 3 inches
(76 mm) larger than the unit or the coil dimensions in width and length
and shall be constructed of corrosion resistant material. Metallic pans
shall have a minimwn thickness of not less than 0.0276-inch (0.7 mm)
galvanized sheet metal. Nonmetallic pans shall have a minimum
thickness of not less than 0.0625 inch (1.6 mm).
2. A separate overflow drain line shall be connected to the drain pan
provided with the equipment. Such overflow drain shall discharge to a
conspicuous point of disposal to alert occupants in the event of a
stoppage of the primary drain. The overflow drain line shall connect to
the drain pan at a higher level than the primary drain connection.
3. An auxiliary drain pan without a separate drain line shall be
provided under the coils on which condensate will occur. Such pan
shall be equipped with a water level detection device conforming to
UL 508 that will shut off the equipment served prior to overflow of the
pan. The auxiliary drain pan shall be constructed in accordance with
Item 1 of this section.
(y) Auxiliary drain pan. Section M141 l.4 is hereby amended to read as
follows:
M 1411.4 Auxiliary drain pan. Category IV condensing appliances shall have
an auxiliary drain pan where damage to any building component will occur as
a result of stoppage in the condensate drainage system. These pans shall be
installed in accordance with the applicable provisions of Section M1411.3.
(z) Insulation of refrigerant piping. Section M 1411.5 is hereby amended
to read as follows:
Section M141 l .5. Insulation of refrigerant piping. Piping and fittings for
refrigerant vapor (suction) lines shall be insulated with 3/8 wall closed cell
insulation having a thermal resistivity of at least R = 2.D hr-ft2 --F/BTU and
having external surface pennanence not exceeding 0.05 perm when tested in
accordance with ASTM E 96.
(aa) Locking port access caps. Section M1411.6 is hereby deleted.
(bb) Duct tennination. Section M 1502.3 is hereby amended to read as
follows:
M1502.3. Duct termination. Exhaust ducts shall tenninate on the outside of
the building. Exhaust duct terminations shall be in accordance with the dryer
manufacturer's installation instructions. If the manufacturer's instructions do
not specify a termination location, exhaust ducts shall terminate not less than
3 feet in any direction from openings into buildings. Exhaust duct
terminations shall be equipped with a backdraft damper. Screens shall not be
installed at the duct termination.
Exception: Backdraft dampers shall not be required where exhaust ducts
terminate vertically through the roof.
(cc) Specified length. Section M1502.4.4.1 is hereby amended to read as
follows:
M 1502.4.4.1 Specified length. The maximum length of the exhaust duct shall
be 35 feet from the connection to the transition duct from the dryer to the
outlet terminal. Where fittings are used, the maximum length of the exhaust
duct shall be reduced in accordance with Table Ml502.4.4.1.
(dd) Recirculation of air. Section M1507.2 is hereby amended to read as
follows:
M1507.2 Recirculation of air. Exhaust air from bathrooms and toilet rooms
shall not be re-circulated within a residence or to another dwe!Hng unit.
Exhaust air from bathrooms and toilet rooms shall either discharge directly to
the outdoors or into an attic space ventilated as required by Section R806 and
at least 18 inches above the ceiling joists, or to a soffit or gable or eave vent.
The terminal end of the exhaust duct shall be permanently secured in place.
(ee) Support. Section Ml601.4.3 is hereby amended to read as follows:
Ml601.4.3 Support. Metal ducts shall be supported by 0.5-inch (12.7 mm)
wide 24-gage metal straps or 12-gage galvanized wire at intervals not
exceeding 10 feet (3048 mm) or other approved means. Nonmetallic ducts
shall be supported in accordance with the manufacturer's installation
instructions.
(ff) Location. Section M2006 is hereby amended by the addition of a new
subsection M2006.5 to read as follows:
M2006.5 Location. Pool heaters shall be located or protected to guard against
accidental contact of hot surfaces by persons. Compliance with this section
may be accomplished by installing pool and spa heaters in an equipment room
or building, or by enclosure with a fence or other suitable barrier.
(gg) Test pressure. Section 02417 .4.1 is hereby amended to read as
follows:
G2417 .4.1 ( 406.4.1) Test pressure. The test pressure to be used shall be not
less than one and one-half times the proposed maximum working pressure, but
not less than 8 psig (20 kPa gauge), irrespective of design pressure. Where the
test pressure exceeds 125 psig (862 kPa gauge), the test pressure shall not
exceed a value that produces a hoop stress in the piping greater than 50
percent of the specified minimum yield strength of the pipe.
(hh) Sediment trap. Section G2419.4 is hereby amended as follows:
G2419.4 (408.4) Sediment trap. Where a sediment trap is not incorporated as
part of the gas utilization equipment, a sediment trap shall be installed
downstream of the equipment shut-off valve as close to the inlet of the
equipment as practical. The sediment trap shall be either a tee fitting with a
capped nipple in the bottom opening of the run of the tee or other device
approved as an effective sediment trap. Illuminating appliances, ranges,
clothes dryers and outdoor grills need not be so equipped. For new
installations, if a sediment trap is located in the main piping system or at a
manifold, then the sediment traps is not required at each appliance unless
recommended by the manufacturer's installation instructions.
(ii) Located at manifold. Section G2420.5.3. is hereby amended to read as
follows:
G2420.5.3 (409.5.3) Located at manifold. Where the appliance shutoff valve
is installed at a manifold, such shutoff valve shall be located within 50 feet of
the appliance served and shall be readily accessible and permanently
identified. The piping from the manifold to within 6 feet of the appliance shall
be designed, sized and installed in accordance with Sections 02412 through
0241 9. Shutoff valves located within attic spaces shall not be considered
readily accessible.
(jj) G242 l.1 ( 410.1) Pressure regulators. Section 02421.1 1s hereby
amended to read as follows:
A line pressure regulator shall be installed where the appliance is designed to
operate at a lower pressure than the supply system. Access shall be provided
to pressure regulators. Pressure regulators shall be protected from physical
damage. Regulators installed on the exterior of the building shall be approved
for outdoor installation. All regulators must be installed near a walkway or an
access point.
(kk) Exhaust installation. Section 02439.3 is hereby amended to read as
follows:
G2439.3 (614.4) Exhaust installation. Dryer exhaust ducts for clothes dryers
shall terminate on the outside of the building and shall be equipped with a
backdraft damper. Screens shall not be installed at the duct termination. Ducts
shall not be connected or installed with sheet metal screws or other fasteners
that will obstruct the flow. Clothes dryer exhaust ducts shall not be connected
to a vent connector, vent or chimney. Clothes dryer exhaust ducts shall not
extend into or through ducts or plenums unless properly sleeved with
materials conforming to Section 602.2.1 of the International Mechanical Code
(in the case of plenums), or with materials meeting the requirements for Class
0 or 1 duct materials (in the case of ducts). Backdraft dampers shall not be
required for vertical tenninations through roofs.
(11) Protection required. Section 02439.5.3 is hereby amended to read as
follows:
02439.5.3 (614.3) Protection required. Protective shield plates shall be placed
where nails or screws from finish or other work are likely to penetrate the
clothes dryer exhaust duct. Shield plates shall be placed on the finished face of
all framing members where there is less than 1-1/4 inches between the duct
and the finished face of the framing member. Protective shield plates shall be
constructed of steel, and shall have a minimum thickness of 0.062 inch (1.6
mm).
(mm) Length identification. Section 02439.5.6 is hereby amended to read as
follows:
02439.5.6 (614.6.5) Length identification. Where the exhaust duct is
concealed within the building construction and exceeds a total developed
length of 35 feet, the equivalent length of the exhaust duct shall be identified
on a pennanent label or tag. The label or tag shall be located within 6 feet of
the exhaust duct connection.
(nn) Building sewer testing.
read as follows:
Section P2503.4 is hereby amended to
Section P2503.4. Building sewer testing. The building sewer shall be tested by
the insertion of a test plug at the point of connection with the public sewer and
filling the building sewer with water, testing with not less than a five-foot
head of water and be able to maintain such a pressure for fifteen (15) minutes.
(oo) Rough plumbing.
follows:
Section P2503.5.1 is hereby amended to read as
P2503.5.1 Rough plumbing. DWV systems shall be tested on completion of
the rough piping installation by water or air with no evidence of leakage.
Either test shall be applied to the drainage system in its entirety or in sections
after rough piping has been installed, as follows:
I. Water test. Each section shall be filled with water to a point not
less than 5 feet (3048 mm) above the highest fitting connection in that
section, or to the highest point in the completed system. Water shall be
held in the section under test for a period of 15 minutes. The system
shall prove leak free by visual inspection.
2. Air test. The portion under test shall be maintained at a gauge
pressure of 5 pounds per square inch (psi) (34 kPa) or 10 inches of
mercury column (2488 Pa). This pressure shall be held without
introduction of additional air for a period of 15 minutes.
(pp) Finished plumbing. Section P2503.5.2 is hereby amended to read as
follows:
P2503.5.2 Finished plumbing. After the plumbing fixtures have been set and
their traps filled with water, their connections shall be tested and proved gas
tight and/or water tight as follows:
1. Water tightness. Each fixture shall be filled and then drained. Traps
and fixture connections shall be proven water tight by visual
inspection.
2. Gas tightness. When required by the Building Official, a final test
for gas tightness of the DWV system shall be made by the smoke or
peppermint test as follows:
2.1. Smoke test. Introduce a pWlgent, thick smoke into the
system. When the smoke appears at vent terminals, such
terminals shall be sealed and a pressure equivalent to a I-inch
water column (249 Pa) shall be applied and maintained for a
test period of not less than 15 minutes.
2.2. Peppermint test. Introduce 2 oWlces (59 mL) of oil of
peppermint into the system. Add 10 quarts (9464 mL) of hot
water and seal all vent terminals. The odor of peppermint shall
not be detected at any trap or other point in the system.
( qq) Shower liner test. Section P2503 .6 is hereby deleted.
(rr) Protection against physical damage. Section P2603.2. l 1s hereby
amended to read as follows:
P2603 .2.1 Protection against physical damage. In concealed locations where
piping, other than cast-iron or galvanized steel, is installed through holes or
notches in studs, joists, rafters or similar members less than 1.5 inches (38
mm) from the nearest edge of the member, the pipe shall be protected by steel
shield plates. Such shield plates shall have a thickness of not less than 0.0575
inch (1.463 mm) (No. 16 gage). Such plates shall cover the area of the pipe
where the member is notched or bored.
(ss) Pipes through footings or foundation walls. Section P2603.5 is hereby
amended to read as follows:
P2603.5 Pipes through footings or foundation walls. Any pipe that passes
under a footing or through a foundation wall shall be provided with a pipe
sleeve two pipe sizes greater than the pipe passing through the wall. If a pipe
passes under a footing and is not in contact with the footing, then a sleeve or
relieving arch may be omitted, where approved by the Building Official.
(tt) Pan size and drain. Section P2801.5.l is hereby amended to read as
follows:
P2801.5.1 Pan size and drain. The pan shall be not less than 1.5 inches (38
mm) deep and shall be of sufficient size and shape to receive all dripping and
condensate from the tank or water heater. The pan shall be drained by an
indirect waste pipe having a minimum diameter of 3/4 inch (19 mm) or the
outlet diameter of the relief valve, whichever is larger. Piping for safety pan
drains shall be of those materials listed in Table P2904.5, except that PVC
meeting ASTM D 1785, D 2241 or D 2672 shall also be considered an
acceptable material for this purpose.
(uu) Water heaters installed in garages. Section P2801 .6 is hereby amended
to read as follows:
P2801.6 Water heaters installed in garages. Water heaters having an ignition
source shall be elevated such that the source of ignition is not less than 18
inches (457 mm) above the garage floor.
Exceptions:
1. Elevation of the ignition source is not required for fuel gas-
fired water heaters that are listed as flammable vapor ignition-resistant.
(See Section G2408.2).
2. Electric water heaters are not required to be elevated, as the
elements are not considered an ignition source.
(vv) Requirements for discharge pipe. Section P2803.6.1 is hereby
amended to read as follows:
P2803 .6.1 Requirements of discharge pipe. The discharge piping serving a
pressure-relief valve, temperature relief valve or combination valve shall:
1. Not be directly connected to the drainage system.
2. Discharge through an air gap or air break located in the same
room as the water heater.
3. Not be smaller than the diameter of the outlet of the valve
served and shall discharge full size to the air gap or air break.
4. Serve a single relief device and shall not connect to piping
serving any other relief device or equipment.
5. Discharge to the floor, to the pan serving the water heater or
storage tank, to a waste receptor or to the outdoors.
6. Discharge in a manner that does not cause personal injury or
structural damage.
7. Discharge to a termination point that is readily observable by
the building occupants.
8. Not be trapped.
9. Be installed to flow by gravity.
10. Not terminate more than 6 inches above the floor or waste
receptor.
11. Not have a threaded connection at the end of the piping.
12. Not have valves or tee fittings.
13. Be constructed of those materials listed in Section P2 904. 5 or
materials tested, rated and approved for such use in accordance with
ASME Al 12.4.1.
(ww) Vacuum relief valve. Section P2803.7 is hereby amended to read as
follows:
P2803.7 Vacuum relief valve. Bottom fed tank-type water heaters and bottom
fed tanks connected to water heaters shall have a vacuum relief valve installed
that complies with ANSI Z2 l .22.
Exception: Where such water heaters and tanks are part of a
circulating hot water system and have a storage capacity of ten gallons
or less.
(xx) Air gaps. Section P2902.3.1 is hereby amended to read as follows:
P2902.3.1 Air gaps. Air gaps shall comply with ASME Al 12.1.2 and air gap
fittings shall comply with ASME A112. l.3. The minimum air gap shall be
measured vertically from the lowest end of a water supply outlet to the flood
level rim of the fixture or receptor into which such potable water outlets
discharge. The minimum required air gap shall be twice the diameter of the
effective opening of the outlet, but in no case less than the values specified in
Table P2902. 3 .1. An air gap or air break is required at the discharge point of a
relief valve or piping. Air gap devices shall be incorporated in dishwashing
and clothes washing appliances.
(yy) Hose bibb bleed. Section P2903.8.6 is hereby deleted.
(zz) Service valve. Section P2903.9. I is hereby amended to read as
follows:
P2903.9. l Service valve. Where indicated below, each dwelling unit shall be
provided with an accessible main shutoff valve. The valve shall be of a full-
open type having nominal restriction to flow.
Service valves shall be installed in the following locations:
1. On the water service pipe from the public water supply at or
near the water meter.
2. On the water service pipe at the entrance into the building(s) if
the service valve required by (I) above is more than 100 feet from said
building(s).
3. On the water supply pipe to a gravity or pressurized water tank.
4. On the water supply pipe to every water heater.
(aaa) Hose bibb. Section P2903.10 is hereby deleted.
(bbb) Solvent cementing. Section P3003.9.2 is hereby amended to read as
follows:
P3003.9.2 Solvent cementing. Joint surfaces shall be clean and free from
moisture. A purple primer that conforms to ASTM F 656 shall be applied.
Clear primer in lieu of purple primer is acceptable where joints are accessible.
Solvent cement not purple in color and conforming to ASTM D 2564 CSA
CAN/CSA-B137.3, CSA CAN/CSA-B181.2 or CSA CAN/CSA-BV182.1
shall be applied to all joint surfaces. The joint shall be made while the cement
is wet and shall be in accordance with ASTM D 2855. Solvent-cement joints shall
be permitted above or below ground.
(ccc) Joints between drainage piping and water closets. Section P3003. l 9 1s
hereby amended to read as follows:
P3003.19 Joints between drainage p1pmg and water closets. Joints between
drainage piping and water closets or similar fixtures shall be made by means of a
closet flange compatible with the drainage system material, securely fastened to a
structurally firm base. The joint shall be bolted, with an approved gasket, flange
to fixture connection complying with ASME Al 12.4.3 or setting compound
between the fixture and the closet flange.
(ddd) Horizontal to vertical (multiple connection fittings).
P3005.1.1. is hereby amended to read as follows:
Section
P3005.1.1 Horizontal to vertical (multiple connection fittings). Double fittings
such as double sanitary tees and tee-wyes or approved multiple connection fittings
and back-to-back fixture arrangements that connect two or more branches at the
same level shall be permitted as long as directly opposing connections are the
same size and the discharge into directly opposing connections is from similar
fixture types or fixture groups. Double sanitary tee patterns shall not receive the
discharge of back-to-back water closets and fixtures or appliances with pumping
action discharge.
(eee) (Cleanouts at) Building drain and building sewer junction. Section
P3005.2.7 is hereby amended to read as follows:
P3005.2.7 (Cleanouts at) Building drain and building sewer junction. There shall
be a two-way cleanout near the junction of the building drain and building sewer.
This cleanout may be either inside or outside the building wall, provided it is
brought up to finish grade or to the lowest floor level. An accessible interior
building drain cleanout or test tee within close proximity to the building drain exit
point shall fulfill this requirement. "Close proximity" shall be deemed to mean a
developed length of no more than IO feet.
(fff) Electrical. Part VIII, Chapters 34-43 inclusive, is hereby deleted.
SECTION 2. THAT violation of any provision of this ordinance shall be deemed a
misdemeanor punishable as provided by Section 1.0 I. 004 of the Code of Ordinances of
the City of Lubbock, Texas.
SECTION 3. THAT should any paragraph, sentence, clause, phrase or word of this
Ordinance be declared unconstitutional or invalid for any reason, the remainder of this
Ordinance shall not be affected thereby.
SECTION 4. THAT the City Secretary of the City of Lubbock, Texas, is hereby
authorized and directed to cause publication of the descriptive caption of this
Ordinance as an alternative means of publication provided by Jaw.
AND IT IS SO ORDERED.
Passed by the City Council on first reading this 16th day of November , 2011.
Passed by the City Council on second reading this 1st day of December , 2011.
ATTEST:
A~TENT:
Steve O'Neal, Chief Building Official
APPROVED AS TO FORM:
IRC 2009 International Residential Code.ord
10.25.1 !
TOM MARTIN, MAYOR