Buildings and Construction
15.06.020
Amendments and Additions
15.06.020 Amendments and Additions:

The following sections of the IRC, as adopted by Section 15.06.010, are amended as follows:

A. Amend Section R101.1 Title, of the IRC by replacing “(NAME OF JURISDICTION)” with “City of Shawnee, Kansas”.

B. Amend by omitting Sections R103, R104, R105, R106, R107, R108, R109, R110, R111, R112, R113, and R114 of the IRC, in their entirety, and amend by adding a new Section R103, which reads:

SECTION R103 ADMINISTRATIVE PROVISIONS

The Administrative Provisions of the 2012 International Building Code, Chapter 1, in its entirety, and as modified by the Shawnee Municipal Code, along with Sections R101 and R102 of the IRC, shall govern all matters within the scope of this code.

C. Amend by omitting Table R301.2 (1) of the IRC and amend by adding in lieu thereof a new Table R301.2 (1), which reads:
TABLE R301.2 (1)
CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA

GROUND
SNOW
LOAD
WIND SPEED
(mph)
SEISMIC
DESIGN
CATEG.
SUBJECT TO DAMAGE FROM
WINTER
DESIGN
TEMP
ICE SHIELD
UNDER-
LAYMENT
REQUIRED
FLOOD
HAZARDS
AIR
FREEZING
INDEX
MEAN
ANNUAL
TEMP
WeatheringFrost
line
depth
TermiteDecay
20
90
A
SEVERE
36
MODERATE TO HEAVY
SLIGHT TO MODERATE
6 degrees F
No
a)11/14/2002
b)8/3/2009
c) Panel #s 2009C0001G thru 20091C0007G and 20091C0016G thru 20091C0022G, and 20091C0030G thru 20091C0037G
1000
54.7
For SI: 1 pound per square foot = 0.0479kN/m.0 squared, 1 mile per hour = 1.609km/h.

D. Amend by omitting Section R303.4 Mechanical Ventilation., of the IRC, and amend by adding in lieu thereof a new Section R303.4 Mechanical Ventilation., which reads:

Section R303.4 Mechanical Ventilation. Where the air infiltration rate of a dwelling unit is less than three (3) air changes per hour when tested with a blower door at a pressure of 0.2 inch w.c. (50 Pa) in accordance with Section N1102.4.1.2, the dwelling unit shall be provided with whole-house ventilation in accordance with Section M1507.3.

E. Amend by omitting the Exception under Section R302.2 Townhouses., of the IRC, and amend by adding in lieu thereof a new Exception under Section R302.2 Townhouses., which reads:

R302.2 Townhouses. Each townhouse shall be considered a separate building and shall be separated by fire-resistance-rated wall assemblies meeting the requirements of Section R302.1 for exterior walls.

Exceptions:

F. Amend by omitting Section R310.1 Emergency escape and rescue required., of the IRC, and amend by adding in lieu thereof a new Section R310.1 Emergency escape and rescue required., which reads:

R310.1 Emergency escape and rescue required. Basements, all sleeping rooms, and newly created habitable spaces in basements shall have at least one openable emergency escape and rescue window or exterior door opening for emergency escape and rescue.

Exception: When habitable spaces, other than bedrooms, are created in basements of existing dwellings, existing or new smoke alarm systems, installed in compliance with Section R313.1, R313.2 and R313.3 of this code for new construction, may be used as an equivalent to the required emergency escape and rescue opening.

Where the basement contains one or more sleeping rooms, emergency egress and rescue openings shall be required in each sleeping room, but shall not be required in adjoining areas of the basement. Where openings are provided as a means of escape and rescue they shall have a sill height of not more than 44 inches (1118 mm) above the floor. Where a door opening having a threshold below the adjacent ground elevation serves as an emergency escape and rescue opening and is provided with a bulkhead enclosure, the bulkhead enclosure shall comply with Section R310.3. The net clear opening dimensions required by this section shall be obtained by the normal operation of the window or door opening from the inside. Escape and rescue window openings with a finished sill height below the adjacent ground elevations shall be provided with a window well in accordance with Section R310.2.

Exception: Basements used only to house mechanical equipment and not exceeding total
floor area of 200 square feet.


G. Amend the IRC by omitting all of Section R313 AUTOMATIC FIRE SPRINKLER SYSTEMS, of the IRC, and amend by adding in lieu thereof a new Section R313 AUTOMATIC FIRE SPRINKLER SYSTEMS, which reads:

Section R313 AUTOMATIC FIRE SPRINKLER SYSTEMS

R313.1 General. An automatic sprinkler system shall be provided throughout all structures that contain four (4) or more townhouses.

R313.2 Design and installation. Automatic sprinkler systems required by this code shall be designed and installed in accordance with Section P2904.

H. Amend the IRC by omitting all of Section R315.3 Where required in existing dwellings., of the IRC, and amend by adding in lieu thereof a new Section R315.3 Where required in existing dwellings., which reads:

Section R315.3 Where required in existing dwellings. When alterations, repairs or additions requiring a permit occur, or when one or more sleeping rooms are added or created in existing dwellings, the individual dwelling unit shall be equipped with carbon monoxide alarms in accordance with Section R315.1.
Exceptions:
I. Amend the IRC by adding a new Section R324 PHYSICAL SECURITY, which reads:

R324 PHYSICAL SECURITY.

R324.1 Purpose. The purpose of this Section is to establish minimum standards that incorporate physical security to make dwelling units resistant to unlawful entry.

R324.1.1 Scope. The provisions of this Section shall apply to all new structures.

R324.2 Doors. Except for vehicular access doors, all exterior swinging doors of residential buildings and attached garages, including the doors leading from the garage area into the dwelling, shall comply with sections R324.2.1 through R324.4.4. For purposes of this Section, doors leading from the garage area into the dwelling shall be deemed to be exterior doors.

R324.2.1 Wood doors. Where installed, exterior wood doors shall be of solid core construction such as high-density particleboard, solid wood, or wood block core with a minimum thickness of one and three-fourths inches (1 3/4") at any point. Doors with panel inserts shall be solid wood. The panels shall be a minimum of one inch (1") thick. The tapered portion of the panel that inserts into the groove of the door shall be a minimum of one-quarter inch (1/4") thick. The groove shall be a dado groove or applied molding construction. The groove shall be a minimum of one-half inch (1/2") in depth.

R324.2.2 Steel doors. Where installed, exterior steel doors shall be a minimum thickness of twenty-four (24) gauge.

R324.2.3 Fiberglass doors. Fiberglass doors shall have a minimum skin thickness of one-sixteenth inch (1/16") and have reinforcement material at the location of the deadbolt.

R324.2.4 Double Doors. Where installed, the inactive leaf of an exterior double door shall be provided with flush bolts having an engagement of not less than one inch into the head and threshold of the doorframe.

R324.2.5 Sliding doors. Where installed, exterior sliding doors shall comply with all of the following requirements:

1. Sliding door assemblies shall be installed to prevent the removal of the panels and the glazing from the exterior with the installation of shims or screws in the upper track.

2. All sliding glass doors shall be equipped with a secondary locking device consisting of a metal pin or a surface mounted bolt assembly. Metal pins shall be installed at the intersection of the inner and outer panels of the inside door and shall not penetrate the frame’s exterior surface. The surface mounted bolt assembly shall be installed at the base of the door.

R324.3 Door frames. The exterior door frames shall be installed prior to a rough-in inspection. Door frames shall comply with Sections R324.3.1 through R324.3.3 for the type of assembly installed.

R324.3.1 Wood frames. Wood door frames shall comply with all of the following requirements:

1. All exterior door frames shall be set in frame openings constructed of double studding or equivalent construction, including garage doors, but excluding overhead doors. Door frames, including those with sidelights shall be reinforced in accordance with ASTM F476-84 Grade 40.

2. In wood framing, horizontal blocking shall be placed between studs at the door lock height for three (3) stud spaces or equivalent bracing on each side of the door opening.

R324.3.2 Steel frames. All exterior door frames shall be constructed of eighteen (18) gauge or heavier steel, and reinforced at the hinges and strikes. All steel frames shall be anchored to the wall in accordance with manufacturer specifications. Supporting wall structures shall consist of double studding or framing of equivalent strength. Frames shall be installed to eliminate tolerances inside the rough opening.

R324.3.3 Door jambs. 1. Door jambs shall be installed with solid backing in a manner so no void exists between the strike side of the jamb and the frame opening for a vertical distance of twelve inches (12") each side of the strike. Filler material shall consist of a solid wood block.

2. Door stops on wooden jambs for in-swinging doors shall be of one-piece construction. Jambs for all doors shall be constructed or protected so as to prevent violation of the strike.

R324.4 Door hardware. Exterior door hardware shall comply with Sections R324.4.1 through R324.4.6.

R324.4.1 Hinges. Hinges for exterior swinging doors shall comply with the following:

1. At least two (2) screws, three inches (3") in length, penetrating at least one inch (1") into wall structure shall be used. Solid wood fillers or shims shall be used to eliminate any space between the wall structure and door frame behind each hinge.

2. Hinges for out-swinging doors shall be equipped with mechanical interlock to preclude the removal of the door from the exterior.

R324.4.2 Strike plates. Exterior door strike plates shall be a minimum of eighteen (18) gauge metal with four (4) offset screw holes. Strike plates shall be attached to wood with not less than three inch (3") screws, which shall have a minimum of one inch (1") penetration into the nearest stud. Note: For side lighted units, refer to Section R324.8.6.

R324.4.3 Escutcheon plates. All exterior doors shall have escutcheon plates or wrap-around door channels installed around the lock protecting the door's edge.

R324.4.4 Locks. Exterior doors shall be provided with a locking device complying with one of the following:

Single Cylinder Deadbolt shall have a minimum projection of one inch (1"). The deadbolt shall penetrate at least three-fourths inch (3/4") into the strike receiving the projected bolt. The cylinder shall have a twist-resistant, tapered hardened steel cylinder guard. The cylinder shall have a minimum of five (5) pin tumblers, shall be connected to the inner portion of the lock by solid metal connecting screws at least one-fourth inch (1/4") in diameter and two and one-fourth inches (2-1/4") in length. Bolt assembly (bolt housing) unit shall be of single piece construction. All deadbolts shall meet ANSI grade 2 specifications.

R324.4.5 Entry vision and glazing. All main or front entry doors to dwelling units shall be arranged so that the occupant has a view of the area immediately outside the door without opening the door. The view may be provided by a door viewer having a field of view of not less than one-hundred eighty (180) degrees through windows or through view ports.

R324.4.6 Side lighted entry doors. Side light door units shall have framing of double stud construction or equivalent construction complying with Section R324.3.1, R324.3.2 and R324.3.3. The doorframe that separates the door opening from the side light, whether on the latch side or the hinge side, shall be double stud construction or equivalent construction complying with Sections R324.3.1 and R324.3.2. Double stud construction or construction of equivalent strength shall exist between the glazing unit of the side light and wall structure of the dwelling.

R324.5 Street numbers. Street numbers shall comply with Section R321.

R324.6 Exterior Lighting. Exterior lighting shall comply with Sections R324.6.1 through R324.6.2.

R324.6.1 Front and Street Side Exterior Lighting. All front and street side door entrances should be protected with a minimum of one light outlet having a minimum of sixty (60) watts of lighting (or energy efficient equivalent) installed so that the light source is not readily accessible.

R324.6.2 Rear Exterior Lighting. Homes with windows or doors near ground level below eight feet (8’) on the rear side of the house shall be equipped with a minimum of one light outlet having one-hundred (100) watt lighting (or energy efficient equivalent) and shall be of the flood light type. Those fixtures placed below eight feet (8’) shall be fixtures manufactured such that the light source is not readily accessible.

R324.6 Alternate materials and methods of construction. The provisions of this Section are not intended to prevent the use of any material or method of construction not specifically prescribed by this Section, provided any such alternate has been approved by the enforcing authority, nor is it the intention of this Section to exclude any sound method of structural design or analysis not specifically provided for in this Section. The materials, methods of construction, and structural design limitations provided for in this Section shall be used, unless the enforcing authority grants an exception.

The enforcing authority is authorized to approve any such alternate provided they find the proposed design, materials, and methods of work to be at least equivalent to those prescribed in this Section in quality, strength, effectiveness, burglary resistance, durability, and safety.

J. Amend the IRC by adding a new Section R326 FENCE MATERIALS, which reads:
SECTION R326
FENCE MATERIALS
R326.1 Materials. All fences, regardless of whether or not a permit is required for their construction, that are constructed, repaired, expanded, or enlarged after the effective date of this ordinance, shall be constructed only of approved fence materials. Approved fence materials shall mean materials normally manufactured for, used as, and recognized as, fencing materials such as: wrought iron or other decorative metals suitable for the construction of fences, masonry, concrete, stone, chain link, metal tubing, wood planks, and vinyl or fiberglass composite manufactured specifically as fencing materials that are approved by the Building Official. Approved fence materials shall be approved for exterior use and shall be weather and decay-resistant. The Building Official is authorized to evaluate proposed fence materials, and to determine if the proposed material is satisfactory and complies with the intent of the provisions of this code, and that the material is, for the purpose intended, at least the equivalent of that prescribed in this Chapter in quality, strength, effectiveness, durability and safety.

R326.2 Temporary fencing. The Building Official is authorized to approve temporary fencing, such as plastic silt fence and safety fencing, for active construction projects. Temporary fencing shall not remain in place longer than is necessary to perform its function.

K. Amend by omitting Section R402.1 Wood foundations of the IRC, and amend by adding in lieu thereof a new Section R402.1 Wood foundations, which reads:

R402.1 Wood foundations. Wood foundation systems are not allowed. All other references in this code to wood foundation systems are null and void.

L. Amend the IRC by adding a new Section R403.1.1.1 Continuous footing reinforcement., which reads:

R403.1.1.1 Continuous footing reinforcement. Continuous footing for basement foundation walls shall have minimum reinforcement consisting of not less than two (2) No. 4 bars, uniformly spaced, located a minimum 3 inches (3") clear from the bottom of the footing.

M. Amend the IRC by adding a new Section R403.1.1.2 Column pads, which reads:

R403.1.1.2 Column pads. Column pads shall be a minimum of 24 inches by 24 inches and 8 inches deep (24" x 24" x 8"). Reinforcement shall consist of a minimum of three (3) No 4 bars each way, uniformly spaced. Deck column pads shall be a minimum of twelve inches (12”) in diameter and six inches (6”) in thickness , and shall extend below the frost line specified in Table R301.2 (1), unless specifically approved otherwise by the Building Official.

N. Amend by omitting Section R404.1.3 Design required, of the IRC, and amend by adding in lieu thereof a new Section R404.1.3 Design required, which reads:

R404.1.3 Design required. A design in accordance with accepted engineering practice shall be provided for concrete or masonry foundation walls, including top of wall restraint details, when any of the conditions 1 through 10 listed below exist. A design in accordance with accepted engineering practice shall be provided for concrete slabs when condition number eleven (11) exists. Where applicable, a standard design approved by the City may be used in lieu of a design from the design professional. For new single family dwellings where standard designs approved by the City are used, the design professional sealing the plans shall specify the use of those designs on the approved plans or through a separate report.
1. Walls are subject to hydrostatic pressure from ground water.
2. Walls supporting more than 48 inches (48") of unbalanced backfill that do not have permanent lateral support at the top and bottom.
3. Sites containing CH, MH, OL, or OH soils as identified in Table R405.1.
4. Foundation walls exceeding nine feet (9') in height, measured from the top of the wall to the bottom of the slab.
5. Lots identified on the subdivision grading plan as having more than six feet (6') of fill or having a finished slope steeper than 4 horizontal to 1 vertical before grading.
6. Footings and foundations with existing fill soils below the footing level.
7. Sloping lots steeper than 4 to 1 before grading.
8. Lots where some footings will bear on soil and others will bear on rock.
9. Areas where problems have historically occurred.
10. Stepped footing and foundation walls.
11. Concrete floor slabs supported on more than 24 inches (24") of clean sand or gravel fill or eight inches (8") of earth fill.

O. Amend by omitting Section R404.5 Retaining walls., of the IRC, and amend by adding in lieu thereof a new Section R404.5 Retaining walls., which reads:

R404.5 Retaining walls. Retaining walls that are not laterally supported at the top and that retain in excess of sixty inches (60”) (1524 mm) of unbalanced fill shall be designed to ensure stability against over turning, sliding, excessive foundation pressure and water uplift. Retaining walls shall be designed for a safety factor of 1.5 against lateral sliding and overturning.

P. Amend by omitting Section R405.1 Concrete or masonry foundations., of the IRC, and amend by adding in lieu thereof a new Section R405.1 Concrete or masonry foundations., which reads:

R405.1 Concrete or masonry foundations. Drains shall be provided around all concrete or masonry foundations that retain earth and enclose habitable or usable spaces located below grade. Drainage tiles, gravel or crushed stone drains, perforated pipe or other approved systems or material shall be installed at or below the area to be protected and shall discharge by gravity or mechanical means into an approved drainage system. Gravel or crushed stone drains shall extend at least one foot (1’) beyond the outside edge of the footing and six inches (6”) above the top of the footing and be covered with an approved filter membrane material. The top of open joints of drain tiles shall be protected with strips of building paper. Perforated drains shall be surrounded with an approved filter membrane or the filter membrane shall cover the washed gravel or crushed rock covering the drain. Drainage tiles or perforated pipe shall be placed on a minimum of two inches (2”) of washed gravel or crushed rock at least one sieve size larger than the tile joint opening or perforation and covered with not less than six inches (6”) of the same material.
Exceptions:
1. 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 R405.1.
2. A filter membrane is not required where perforated drains are covered with at least eighteen inches (18”) of washed gravel or crushed rock.
3. For gravel or crushed stone drains a filter membrane is not required when the gravel or crushed stone extends at least eighteen inches (18”) above the top of the footing.

Q. Amend by omitting Section R502.6.2 Joist framing of the IRC, and amend by adding in lieu thereof a new Section R502.6.2 Joist framing, which reads:

R502.6.2 Joist framing. Joists framing into the side of a wood girder shall be supported by approved framing anchors or on ledger strips not less than nominal two inches by two inches (2” by 2”) or (51mm by 51mm). Where joists run parallel to foundation walls, solid blocking for a minimum of three (3) joist spaces shall be provided at a maximum of 3 feet (3’) centers to transfer lateral loads on the wall to the floor diaphragm. Each piece of blocking shall be securely nailed to the joists, sill plate and flooring with not less than three (3) eight penny nails at each connection. Where applicable, a standard design approved by the City and shown on the approved plans may be used in lieu of this requirement.

R. Amend the IRC by adding a new Section R506.3 Floor slab placement, which reads:

506.3 Floor slab placement. Basement floor slabs shall be isolated from column pads, interior columns and interior bearing walls by an approved material or barrier to act as a bondbreaker. Interior columns and bearing walls shall be supported on a separate interior footing, not on top of the floor slab. Two (2) layers of fifteen (15) pound asphalt-impregnated felt will be considered adequate to act as a bondbreaker between the basement floor slab from the columns and column footings, and interior bearing walls.

S. Amend by omitting Section R602.6.1 Drilling and notching of top plate., of the IRC, and amend by adding in lieu thereof a new Section R602.6.1 Drilling and notching of top plate., which reads:

R602.6.1 Drilling and notching of top plate. When piping or ductwork is placed in or partly in an exterior wall or interior load-bearing wall, necessitating cutting, drilling or notching of the top plate by more than fifty percent (50%) of its width, a galvanized metal tie not less than 0.054 inch thick (16 ga) and one and one-half inches (1”) wide shall be fastened across and to the plate at each side of the opening with not less than four 10d (0.148 inch diameter) nails having a minimum length of one and one-half inches (1”) at each side or equivalent. The metal tie must extend a minimum of six inches (6”) past the opening. See Figure R602.6.1.

Exception: When the entire side of the wall with the notch or cut is covered by wood structural panel sheathing.

T. Amend by omitting Section R703.2 Water-resistive barrier. of the IRC, and amend by adding in lieu thereof a new Section R703.2 Water-resistive barrier., which reads:

R703.2 Water-resistive barrier. One (1) layer of No. 15 asphalt felt, free from holes and breaks, complying with ASTM D226 for Type 1 felt or other approved water-resistive barrier where applied over studs or sheathing of all exterior walls. Such felt or material shall be applied horizontally, with the upper layer lapped over the lower layer not less than two inches (2”). Where joints occur, felt shall be lapped not less than 6 inches (6”). The felt or other approved material shall be continuous to the top of walls and terminated at penetrations and building appendages in a manner to meet the requirements of the exterior wall envelope as described in Section R703.1.

Exceptions: Omission of the water-resistive barrier is permitted in the following situations:
1. In detached accessory buildings.
2. Under exterior wall finish materials as permitted in Table R703.4.

U. Amend the IRC by adding a new Section R901.2 Restrictive covenant limitation., which reads:

R901.2 Restrictive covenant limitation.
(a) It shall be unlawful to establish or attempt to enforce a restrictive covenant which requires the exclusive use of wood shingles or wood shake roof covering material on a residential dwelling within the City and any such restrictive covenant is contrary to the public policy of the City and is null and void.
(b) It shall be unlawful to establish or enforce a restrictive covenant which permits the use of wood shingles, wood shake, tile or slate, but no other Class C roofing material on a residential dwelling within the City and any such restrictive covenant is contrary to the public policy of the City and is null and void.
(c) Nothing in this Code shall prohibit a restrictive covenant regulating the kind of roofing materials used or regulating colors, styles or dimensions of roofing materials, or other aesthetic factors so long as the regulations are not contrary to the provisions of(a) or (b).

V. Amend by omitting Exceptions 3., 4., 5., 6., 7., and 8. of Section N1101.3 (R101.4.3) Additions, alterations, renovations or repairs., of the IRC.

W. Amend by omitting Section N1101.8 (R103.2) Information on construction documents. of the IRC.

X. Amend by omitting Section N1101.15 (R401.2) Compliance., of the IRC, and amend by adding in lieu thereof a new Section N1101.15 (R401.2) Compliance., which reads:

N1101.15 (R401.2) Compliance. Projects shall comply with Sections identified as mandatory and with either sections identified as “prescriptive”, the HERS Index rating option, or the performance approach in Section N1105. The permit applicant of record must elect which compliance path will be followed at the time permit application is made.

The HERS Index rating option can be met by hiring a HERS rater and constructing a residence that scores 100 or less on the HERS Index. Two years from the effective date of the adopting ordinance, the minimum compliant HERS Index score will be 85. A Preliminary HERS Certificate with 'Draft' watermark or a copy of a REM/Rate compliance report with 'Draft' watermark must be submitted with building permit plans. The “Draft” HERS certificate or report shall identify the project address, and include the HERS raters name and contact information.

All HERS ratings shall be performed by a rater accredited by the Residential Energy Services Network (RESNET). The HERS rater is required to perform a blower door test, duct blaster test, pre-drywall inspection and final inspection as part of the standard HERS Index rating process. The final HERS Index score must be posted on the Certificate required by Section N1101.16 (R401.3).The final HERS Certificate which indicates that the dwelling unit achieved a compliant HERS Index score must be submitted to the city before issuance of a Certificate of Occupancy. The final HERS certificate shall identify the project address, and include the HERS raters name and contact information.

Y. Amend by omitting Table N1102.1.1 (R402.1.1) INSULATION AND FENESTRATION REQUIREMENTS BY COMPONENT of the IRC, and amend by adding in lieu thereof a new Table N1102.1.1 (R402.1.1) INSULATION AND FENESTRATION REQUIREMENTS BY COMPONENT, which reads:

Table N1102.1.1 (R402.1.1) INSULATION AND FENESTRATION REQUIREMENTS BY COMPONENTa
Climate
zone
Fenestration
U-factor b
Skylight b
U-factor
Glazed
Fenestration
SHGC b
Ceiling
R-value
Wood
Frame
Wall
R-value
Mass
Wall
R-Value e
Floor
R-Value
Basement
Wall
R-value c
Slabd
R-Value
&
Depth
Crawl
Space c
Wall
R-Value
4
0.35
0.55
0.40
49
13
8/13
19
10 / 13
NR
10/13
a. R-values are minimums. U-factors and SHGC are maximums. When insulation is installed in a cavity which is less
than the label or design thickness of the insulation, the installed R-value of the insulation shall not be less that the Rvalue
specified in the table.
b. The fenestration U-factor column excludes skylights. The SHGC column applies to all glazed fenestration.
c. “10/13” means R-10 continuous insulation on the interior or exterior of the home or R-13 cavity insulation at the
interior of the basement walls.
d. NR shall mean no requirement.
e. The second R-value applies when more than half the insulation is on the interior of the mass wall.

Z. Amend by omitting Section N1102.4.1.2 (R402.4.1.2) Testing., of the IRC, and amend by adding in lieu thereof a new Section N1102.4.1.2 (R402.4.1.2) Testing., which reads:

N1102.4.1.2 (R402.4.1.2) Testing. The building or dwelling unit shall be tested and verified as having an air leakage rate of not exceeding 5 air changes per hour. Testing shall be conducted with a blower door at a pressure of 0.2 inches w.g. (50 Pascals). Where required by the Building Official, testing shall be conducted by an approved third party. A written report of the results of the test shall be signed by the party conducting the test and provided to the Building Official. Testing shall be performed at any time after creation of all penetrations of the building thermal envelope.

During testing:

1. Exterior windows and doors, fireplace and stove doors shall be closed, but not sealed, beyond the intended weather stripping or other infiltration control measures:
2. Dampers including exhaust, intake, makeup, air, backdraft and flue dampers shall be closed, but not sealed beyond intended infiltration control measures;
3. Interior doors, if installed at the time of the test, shall be open;
4. Exterior doors for continuous ventilation systems and heat recovery ventilators shall be closed and sealed;
5. Heating and cooling systems, if installed at the time of the test shall be turned off; and
6, Supply and return registers, if installed at the time of the test, shall be fully open.


AA. Amend by omitting Table N1102.4.1.1 (R402.4.1.1) AIR BARRIER AND INSULATION INSTALLATION, of the IRC, and amend by adding in lieu thereof a new Table N1102.4.1.1 (R402.4.1.1) AIR BARRIER AND INSULATION INSTALLATION, which reads:


TABLE N1102.4.1.1 (R402.4.1.1)
AIR BARRIER AND INSULATION INSTALLATION
COMPONENTCRITERIA
Air barrier and thermal barrierA continuous air barrier shall be installed in the building envelope. Exterior thermal envelope contains a continuous air barrier. Breaks or joints in the air barrier shall be sealed. Air-permeable insulation shall not be used as sealing material.
Ceiling/atticThe air barrier in any dropped ceiling/soffit shall be aligned with the insulation and any gaps in the air barrier sealed. Access opening, drop down stair or knee wall doors to unconditioned attic spaces shall be sealed.
WallsCorners and the junction of the foundation and sill plate shall be sealed. Exterior thermal envelope insulation for framed walls shall be installed in substantial contact and continuous alignment with the air barrier. Knee walls shall be sealed.
Windows, skylights and doorsThe space between window/door jambs and framing and skylights and framing shall be sealed.
Rim joistsRim shall be sealed to prevent air leakage.
Floors (including above-garage and cantilevered floors)Insulation shall be installed to maintain permanent contact with underside of subfloor decking. The air barrier shall be installed at any exposed edge of insulation.
Crawl space wallsWhere provided in lieu of floor insulation, insulation shall be permanently attached to the crawlspace walls. Exposed earth in unvented crawl spaces shall be covered with a Class I vapor retarder with overlapping joints taped.
Shafts, penetrationsDuct shafts, utility penetrations, and flue shafts opening to exterior or unconditioned space shall be sealed.
Narrow cavitiesBatts in narrow cavities shall be cut to fit, or narrow cavities shall be filled by insulation that on installation readily conforms to the available cavity space.
Garage separationAir sealing shall be provided between the garage and conditioned spaces.
Recessed lightingRecessed light fixtures installed in the building thermal envelope shall be air tight, IC rated, and sealed to the drywall.
Plumbing and wiringBatt insulation shall be cut neatly to fit around wiring and plumbing in exterior walls, or insulation that on installation readily conforms to available space shall extend behind piping and wiring.
Shower/tub on exterior wallExterior walls adjacent to showers and tubs shall be insulated and the air barrier installed separating them from the showers and tubs.
Electrical/phone box on exterior wallsThe air barrier shall be installed behind electrical or communication boxes or air-sealed boxes shall be installed.
HVAC register bootsHVAC register boots that penetrate building thermal envelope shall be sealed to the sub floor or drywall.
FireplaceAn air barrier shall be installed on fireplace walls.

BB. Amend by omitting Section N1103.2.2 (R403.2.2) Sealing (Mandatory)., of the IRC, and amend by adding in lieu thereof a new Section N1103.2.2 (R403.2.2) Sealing (Mandatory)., which reads:

N1103.2.2 (R403.2.2) Sealing (Mandatory). Ducts, air handlers, and filter boxes shall be sealed. Joints and seams shall comply with Section M1601.4.1 of this code.
Exceptions:
CC. Amend by omitting Section N1103.2.2.1 (R403.2.2.1) Sealed air handler., of the IRC.

DD. Amend by omitting Section N1103.2.3 (R403.2.3) Building cavities (Mandatory)., of the IRC.

EE. Amend by omitting Section N1104 ELECTRICAL POWER AND LIGHTING SYSTEMS (MANDATORY), of the IRC.

FF. Amend by omitting Section P2503.2 Concealment., of the IRC, and amend by adding in lieu thereof a new Section P2503.2 Concealment., which reads:

P2503.2 Concealment. A plumbing or drainage system, or part thereof, shall not be covered, concealed or put into use until it has been inspected and approved by the building official, or his authorized representative. A plumbing or drainage system, or part thereof, shall not be covered, concealed or put into use until it has been tested by the permittee, or his or her authorized representative. The building official may require that any test of the plumbing or drainage system be witnessed by the building official or his authorized representative.

GG. Amend by omitting Section E3902.2 Garage and accessory building receptacles., of the IRC, and amend by adding in lieu thereof a new Section E3902.2 Garage and accessory building receptacles., which reads:

E3902.2 Garage and accessory building receptacles. All 125-volt, single-phase, 15- and 20-
ampere receptacles installed in garages and grade-level portions of unfinished accessory buildings used for storage or work areas shall have ground-fault circuit-interrupter protection.
Exceptions:
HH. Amend by omitting Section E3902.12 Arc-fault circuit-interrupters., of the IRC, and amend by adding in lieu thereof a new Section E3902.12 Arc-fault circuit-interrupters., which reads:

E3902.12 Arc-fault circuit-interrupters. All branch circuits that supply 120-volt, single phase 15- and 20-amphere receptacles installed in bedrooms shall be protected by a combination type arc-fault circuit interrupter installed to provide protection of the branch circuit.
Exceptions:
1. Where an outlet branch-circuit is installed at the first outlet to provide protection for the remaining portion of the branch circuit, the portion of the branch circuit between the branch-circuit over-current device and the first outlet shall be installed with metal outlet and junction boxes and RMC, IMC, EMT, type MC, or steel armored type AC cables meeting the requirements of Section E3908.8.
2. Where an outlet branch-circuit AFCI is installed at the first outlet to provide protection for the remaining portion of the branch circuit, the portion of the branch circuit, between the branch-circuit over-current device and the first outlet shall be installed with metal or nonmetallic conduit or tubing that is encased in not less than two inches (2”) of concrete.
3. Arc-fault circuit-interrupter (AFCI) protection is not required for any existing branch circuit that was not required to have AFCI protection by a prior regulation. (Ord. 2899, 2008 ; Ord. 2759, 2005)

(Ord. 3052, 2012 )