[Ord. No. 1378 §17, 3-20-2013; Ord. No. 1570, 12-21-2022]
A. 
There is hereby adopted the International Residential Code 2018, to include Appendices E, H, J, K, and P, published by the International Code Council, for regulating the erection, construction, enlargement, alteration, repair, moving, removal, demolition, conversion, occupancy, equipment, use, height, area and maintenance of all buildings or structures in the City of Mission, providing for the issuance of permits and collection of fees therefor; and each and all of the regulations, provisions, conditions and terms of such International Residential Code, 2018 edition, on file in the office of the Building Official are hereby referred to as the IRC, adopted and made a part hereof as if fully set out in this chapter, subject only to the express amendments and deletions provided herein.
B. 
Wherever the word "jurisdiction" is used in the International Building Code, adopted hereby, said term shall mean the City of Mission.
[Ord. No. 1378 §18, 3-20-2013; Ord. No. 1570, 12-21-2022]
Any person violating any provision of such code shall be punished as provided in Section 100.100 of the Mission City Code.
[Ord. No. 1378 §19, 3-20-2013; Ord. No. 1570, 12-21-2022]
For the purposes of the International Residential Code, 2018 Edition, as adopted, the following words and phrases shall have the following meanings:
The term "approved certified sprinkler system" shall mean one that has been designed by an engineer who is licensed in the State of Kansas, and installed by a contractor licensed to do so by the Kansas State Fire Marshall, and approved by the County Building Code Official.
[Ord. No. 1378 §20, 3-20-2013; Ord. No. 1570, 12-21-2022]
The following provisions of the International Residential Code, as adopted, shall be omitted and not applicable under this code unless amended:
a) 
Section R112 Board of Appeals.
b) 
Section R303.4 Mechanical Ventilation.
c) 
Section R309.5 Fire Sprinklers.
d) 
Section R313 Automatic Fire Sprinkler Systems.
e) 
Section R314.2.2 Alterations, Repairs and Additions.
f) 
Section R402.1 Wood Foundations.
g) 
Section R404.1.1 Design Required.
h) 
Section R404.4 Retaining Walls.
i) 
Section R405.1 Concrete or Masonry Foundations.
j) 
Section R502.6.2 Joist Framing.
k) 
Section R703.2 Water-Resistive Barrier.
l) 
Section N1101.5 Information on Construction Documents.
m) 
Section N1101.13 Compliance.
n) 
Table N1102.1.2 Insulation and Fenestration Requirements by Component.
o) 
Section N1102.4.1.2 Testing.
p) 
Section N1102.4.4 Rooms Containing Fuel Burning Appliances.
q) 
Section N1103.3.2.1 Sealed Air Handler.
r) 
Section N1103.3.3 Duct Testing.
s) 
Section N1103.3.5 Building Cavities.
t) 
Section N1104 Electrical Power and Lighting Systems.
u) 
Section N1106.2 Mandatory Requirements.
v) 
Table N1106.4 Maximum Energy Rating Index.
[Ord. No. 1378 §21, 3-20-2013; Ord. No. 1570, 12-21-2022]
The following amendments shall be made:
a) 
Amend the IRC by omitting Sections R103 through R114 and adding a new Section R103 to read as follows:
R103.1 Administrative Provisions. The administrative provisions of the 2018 International Building Code, Chapter 1 and as amended in the Mission Municipal Code, along with Sections R101 and R102 of the IRC shall govern all matters within the scope of this code.
b) 
Amend Section R108.2 of the IRC to read as follows:
Section R108.2 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 set forth by resolution of the City Council. When submittal documents are incomplete or changed so as to require additional plan review or when the project involves deferred submittal items, an additional plan review fee shall be charged. Applications shall be considered inactive and/or abandoned thereby becoming null and void by expiration of the following:
1. 
The building or work authorized by such permit is not commenced within one hundred eighty (180) days from the date of such permit; or
2. 
The building or work authorized by such permit has not progressed to the point of the next required inspection within ninety (90) days of either the issuance of the permit, or from the date of the last inspection.
Before such work can be recommenced, a new permit shall be first obtained to do so, and the fee therefore shall be one-half (1/2) the amount required for a new permit for such work, provided, no changes have been made or will be made in the original plans and specifications for such work; and provided, further, that the untimely progress has not exceeded one year.
In order to renew action on a permit that has expired for a period exceeding one (1) year, the permittee shall pay a new full permit fee. The Building Code Official is authorized to grant, in writing, one (1) extension of time, for a period not to exceed one hundred eighty (180) days. The extension shall be requested in writing and justifiable cause demonstrated.
c) 
Amend Section R113.4 of the IRC to read as follows:
Section R113.4 Violation Penalties. At the end of the paragraph add the following language: Violation of any provision of this code shall be an unlawful act. Each separate day or any portion thereof, during which any violation of this code occurs or continues, shall also be deemed to constitute a separate offense, and shall be punishable as provided in Municipal Code Section 100.100.
d) 
Amend Table R301.2 (1) of the IRC to read as follows:
Table R301.2(1); The following values shall be inserted into the table:
Ground snow load (psf)
20
Wind design speed (mph)
115
Topographical effects
No
Windborne debris zone
No
Special wind region
No
Seismic design category
A
Weathering
Severe
Frost line depth
36 inches
Termite
Moderate to heavy
Winter design temp
6 degrees F.
Ice barrier required
Yes
Air freezing index
1,000
Mean annual temp
54.7 degrees F.
Flood hazard
Current FIRM
e) 
Amend the IRC by adding a new Section 303.4 to read as follows:
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.
f) 
Amend the IRC by adding a new Section R306.5 to read as follows:
R306.5 New single-family dwellings toilet facilities. Toilet facilities shall be provided within five hundred (500) feet (measured from the property line adjacent to the street for platted subdivisions along the public way) for all new single-family dwellings starting from the time of the first footing inspection until facilities are available in the dwelling. If the facilities are not located on the job site, the location of the required facilities shall be posted on the job site or other certification provided to the Building Code Official to verify the availability of toilet facilities. The facilities on the site shall be removed prior to issuance of a Temporary Certificate of Occupancy.
g) 
Amend the IRC by adding a new Section R306.6 to read as follows:
R306.6 New single-family dwellings construction site maintenance. All construction sites shall be maintained in a good, clean, and safe condition, including, but not limited to, the following minimum requirements:
A) 
Construction materials shall be stored, maintained and secured so as to prevent safety risk or danger. Accumulated construction debris shall be hauled away and disposed of at an approved landfill. Dumpsters shall be emptied or removed when full and may be used only for construction debris. Construction materials shall not be stored in a public right-of-way.
B) 
All mud, dirt, or debris deposited on any street, crosswalk, sidewalk, or other public property as a result of excavation, construction, or demolition shall be immediately broom cleaned to the extent possible and disposed of in an acceptable manner.
C) 
It shall be unlawful to intentionally place, deposit, or otherwise dispose of construction debris in any public or private sewer.
D) 
Airborne particles shall be controlled on the property at all times during work by means of a water truck and/or spraying equipment, or other water sources capable of spraying and thoroughly saturating all portions of the structure and surrounding property affected by the work. Spraying shall be undertaken at all times necessary to thoroughly control the creation and migration of airborne particles, including, without limitation, dust, from the subject property.
E) 
No person shall operate or cause to be operated any radio, media player, telecommunications device or other such object at such a volume or in any other manner that would cause a nuisance or disturbance to any person.
F) 
Every contractor shall be responsible for all actions of their employees, agents, and subcontractors under this Subsection, and shall be responsible for all violations of the provisions of this Subsection committed by such employees, agents, or subcontractors.
h) 
Amend the IRC by adding a new Section R309.6 to read as follows:
R309.6 Residential driveways. Residential concrete and asphalt driveway slabs shall be a minimum of 4-inches thick. The driveway shall have a constant slope so as to avoid ponding of water. The slope shall be away from the house or building or drain by means approved by the City.
i) 
Amend the IRC by adding a new Section R313 to read as follows:
R313 Automatic Fire Sprinkler Systems.
R313.1 General. An automatic fire 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 or NFPA 13D.
j) 
Amend the IRC by adding a new Section R314.2.2 to read as follows:
R314.2.2 Alterations, Repairs and Additions. Where alterations, repairs or additions requiring a permit occur, the individual dwelling unit shall be equipped with smoke alarms and carbon monoxide alarms as required for new dwellings.
Exceptions:
1. 
Work involving the exterior surfaces of dwellings, such as the replacement of roofing or siding, or the addition or replacement of windows or doors, or the addition of a porch or deck, are exempt from the requirements of this Section.
2. 
Installation, alteration or repairs of plumbing, mechanical or electrical systems are exempt from the requirements of this Section.
k) 
Amend the IRC by adding a new Section R314.8 to read as follows:
R314.8 Heat Detectors. Any integral or attached garage to the principal dwelling shall be provided with a single heat detector. Heat detectors shall be hard wired and interconnected with the household smoke alarm system, such that the activation of the heat detector will activate all the audible alarms of the required household smoke alarm system. The heat detector is not required to incorporate audible alarm notification nor is any audible notification device required in the garage. The heat detector shall be listed for the ambient environment and installed per the manufacturer's installation instructions.
Exceptions:
1. 
Work involving the exterior surfaces of dwellings, such as the replacement of roofing or siding, or the addition or replacement of windows or doors, or the addition of a porch or deck, are exempt from the requirements of this Section.
2. 
Installation, alteration or repairs of plumbing, mechanical or electrical systems are exempt from the requirements of this Section.
l) 
Amend Section 401.3 to read as follows:
R401.3 Drainage. Surface drainage from lots shall be diverted to a storm sewer conveyance or other point of collection as approved by the Public Works Director. The surface drainage shall not create a hazard or nuisance onto adjacent properties, sidewalks, driveways or streets. Lots shall be graded to drain water away from foundation walls. The grade shall fall a minimum of six (6) inches within the first ten (10) feet.
Where lot lines, walls, slopes, or other physical barriers prohibit six (6) inches of fall within ten (10) feet, drains or swales shall be constructed to ensure drainage away from the structure. The grade shall not alter any existing drainage course or re-route excessive surface drainage onto adjacent properties.
Downspouts shall not discharge closer than five (5) feet to any side property line, nor closer than ten (10) feet to any front or rear property line. In most cases, these setbacks will allow the discharge water from downspouts to percolate naturally through the soil on private property without adversely affecting or altering drainage onto adjacent properties.
These requirements are not intended to address seasonal extreme weather events and discharges associated with same. The Director of Public Works retains the authority to waive or modify elements or conditions of this policy when it is determined that unique conditions exist and such waiver or modification would be in the best interest to the City and/or adjacent properties.
m) 
Amend the IRC by adding a new Section R401.4.3 to read as follows:
R401.4.3 Soils report required. Foundation designs for new dwellings using the standards referenced in Subsection R404.1.2 shall submit a report from a registered design professional specifying the properties of the soil based on Table 405.1 prior the inspection of footings, if deemed necessary by the Building Code Official.
n) 
Amend the IRC by adding a new Section R401.4.4 to read as follows:
R401.4.4 Johnson County Residential Foundation Guideline. Foundation designs for one- and two-family dwellings may use the approved standard design provided in the Johnson County Residential Foundation Guidelines in lieu of the prescriptive requirements of the 2018 International Residential Code as approved by the Building Code Official.
o) 
Amend the IRC by adding a new Section R402.1 to read as follows:
R402.1 Wood Foundations. Wood foundation systems are not allowed. All other references in this code to wood foundation systems are null and void.
p) 
Amend the IRC by adding a new Section R403.1.1.1 to read as follows:
R403.1.1.1 Continuous footing reinforcement. Continuous footings for basement foundation walls shall have minimum reinforcement consisting of not less than two (2) No. 4 bars, uniformly spaced, located a minimum three (3) inches clear from the bottom of the footing.
q) 
Amend the IRC by adding a new Section R403.1.1.2 to read as follows:
R403.1.1.2 Column pads. Column pads shall be a minimum of twenty-four inches by twenty-four inches and eight inches deep (24" x 24" x 8"). Reinforcement shall consist of a minimum of three (3) No. 4 bars each way, uniformly spaced.
r) 
Amend the IRC by adding a new Section R404.1.1 to read as follows:
R404.1.1 Design required. A design in accordance with accepted engineering practice shall be provided for concrete or masonry foundation walls when any of the conditions listed below exist:
1) 
Walls are subject to hydrostatic pressure from ground water.
2) 
Walls supporting more than forty-eight (48) inches 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 nine (9) feet or greater 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 (6) feet of fill or having a finished slope steeper than four (4) horizontal to one (1) vertical before grading.
6) 
Footings and foundations with existing fill soils below the footing level.
7) 
Sloping lots steeper than four (4) to one (1) before grading.
8) 
Lots where some footings will bear on soil and others will bear on a different soil type, including rock.
9) 
Areas where problems have historically occurred.
10) 
Stepped footing and foundation walls.
11) 
Concrete floor slabs supported on more than twenty-four (24) inches of clean sand or gravel fill or eight (8) inches of earth fill.
s) 
Amend the IRC by adding a new Section R404.4 to read as follows:
R404.4 Retaining Walls. Retaining walls that are not laterally supported at the top and that retain in excess of forty-eight (48) inches of unbalanced fill shall be designed by a professional engineer to ensure stability against overturning, sliding, excessive foundation pressure and water uplift. Retaining walls shall be designed for a safety factor of 1.5 times against lateral sliding and overturning.
t) 
Amend the IRC by adding a new Section R405.1 to read as follows:
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 (1) foot beyond the outside edge of the footing and six (6) inches 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 (2) inches 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 (6) inches 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 a minimum of eighteen (18) inches 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 (18) inches above the top of the footing.
u) 
Amend the IRC by adding a new Section R502.6.2 to read as follows:
R502.6.2 Joist Framing. Joist framing into the side of a wood girder shall be supported by approved framing anchors or on a ledger strip not less than nominal two inches by two inches (2" x 2"). Where joists run parallel to foundation walls, solid blocking of a minimum of three (3) joist spaces shall be provided at a maximum of three (3) feet on center to transfer lateral loads on the wall to the floor diaphragm. Each piece of blocking shall be securely nailed to 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.
v) 
Amend the IRC by adding a new Section R506.3 to read as follows:
R506.2.5 Basement floor slab isolation. Basement floor slabs shall be isolated from column pads, interior columns and interior bearing walls to facilitate differential movement. Interior columns and bearing walls shall be supported on a separate interior footing, not on top of the floor slab. Non-bearing walls supported on basement floor slabs shall be provided with a minimum one (1) inch expansion joint to facilitate differential movement between the floor slab and the floor framing above. Two (2) layers of fifteen (15) pound asphalt-impregnated felt will be considered adequate to act as a bond-breaker between the basement floor slab, columns, column footings and interior bearing walls.
w) 
Amend the IRC by adding a new Section R602.6.1 to read as follows:
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 (1.37 mm) (16 ga) and 1 1/2 inches (38 mm) wide shall be fastened across and to the plate not less than four 10d (0.148 inch diameter) nails having a minimum length of 1 1/2 inches (38 mm) at each side or equivalent. The metal tie must extend a minimum of six (6) inches past the opening. See Figure R602.6.1.
x) 
Amend the IRC by adding a new Section R703.2 to read as follows:
R703.2 Water Resistive Barrier. One (1) layer of 15 pound felt, free from holes, tears or breaks, complying with ASTM D226 for Type 1 felt or other approved water resistive barrier shall be applied over studs or sheathing of all exterior walls. Such felt or material shall be applied horizontally, with the upper layer overlapping the lower layer not less than two (2) inches. Where joints occur such felt or material shall be lapped not less than six (6) inches. 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 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.
y) 
Amend the IRC by omitting Section N1101.5 (R103.2) Information on Construction Documents.
z) 
Amend the IRC by adding a new Section N1101.33 (R401.2) to read as follows:
N1101.13 (R401.2) Compliance. Projects may comply with one (1) of the following:
1. 
Sections N1104.14 through N1104.
2. 
Section N1105 and the provisions of Sections N1101.14 through N1104 indicated as mandatory.
3. 
The energy rating index (ERI) approach in Section N1106.
The permit applicant of record must elect which compliance option will be followed at the time the permit application is made.
As an alternative to the provisions of Chapter 11 of this code, structures validated by an energy rater accredited by the Residential Energy Services Network (RESNET) to meet a HERS rating score of eighty (80) or less shall be deemed to meet this code. 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.
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 N1101.14 R401.3). The final HERS certificate which indicates the dwelling unit achieved a compliant HERS score must be submitted to the City before issuance of the Certificate of Occupancy. The final HERS Certificate shall identify the project address and include the HERS raters name and contact information.
aa) 
Amend the IRC by adding a new Table N1102.1.2 (R402.1.2) to read as follows:
Table N1102.1.2 (R402.1.2) Insulation and Fenestration Requirements by Component (a).
Climate Zone
Fenestration U-factorb
Skylight U-factorb
Glazed Fenestration SHGC
Ceiling R-value
Wood frame
Mass wall R-value
Floor R-valuec
Basement wall R-valuec
Slab R-value
Crawl space wall R-valuec
4
0.32
0.55
0.40
49
13
8/13
19
10/13
NR
10/13
Notes:
(a)
R-values are minimums. U-factors and SHGC are maximums.
(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 on 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.
ab) 
Amend the IRC by adding a new Section N1102.4.1.2 (R402.1.2) to read as follows:
N1102.4.1.2 (R402.1.2) Testing (Mandatory). The building or dwelling unit shall be tested and verified as having an air leakage rate of not exceeding five (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.
ac) 
Amend the IRC by omitting Section N1102.4.4 (R402.4.4) Rooms Containing Fuel Burning Appliances.
ad) 
Amend the IRC by omitting Section N1103.3.2.1 (R403.3.2.1) Sealed Air Handler.
ae) 
Amend the IRC by adding a new Section N1103.3.3 (R403.3.3) to read as follows:
N1103.3.3 (R403.3.3) Duct Testing (Mandatory). Where required by the Building Official, duct tightness shall be verified by either of the following:
1. 
Post construction test: Total leakage shall be less than or equal to 4 cfm per 100 square feet of conditioned floor area when tested at a pressure differential of 0.1 inches w.g. (25 Pa) across the entire system, including the manufacturer's air handler enclosure. All register boots shall be taped or otherwise sealed during the test.
2. 
Rough-in test: Total leakage shall be less than or equal to 4 cfm per 100 square feet of conditioned floor area when tested at a pressure differential of 0.1 w.g. (25 Pa) across the system, including the manufacturer's air handler enclosure. All registers shall be taped or otherwise sealed during the test. If the air handler is not installed at the time of the test, total leakage shall be less than or equal to 3 cfm per 100 square feet of conditioned floor area.
Exceptions:
1.
The total leakage test is not required for ducts and air handlers located entirely within the building thermal envelope.
2.
On the post construction test, it is permissible to test for "leakage to the outdoors" versus "total leakage." Leakage to the outdoors shall be less than or equal to 8 cfm per 100 square feet of conditioned floor area.
af) 
Amend the IRC by omitting Section N1103.3.5 (R403.3.5) Building Cavities.
ag) 
Amend the IRC by omitting Section N1103.3.5 (R403.3.5) Building Cavities.
ah) 
Amend the IRC by omitting Section N1104 Electrical Power and Lighting Systems.
ai) 
Amend the IRC by adding a new Section N1106.2 (R406.2) to read as follows:
N1106.2 (R406.2) Mandatory Requirements. Compliance with this Section requires that the provisions identified in Section N1101.13 through N1104 indicated as "mandatory" be met. The building thermal envelope shall be greater than or equal to the levels of efficiency and Solar Heat Gain Coefficients in Table N1102.1.2 (R402.1.2) and N1102.1.4 (R402.1.4).
Exceptions:
1. 
Supply and return ducts not completely inside the building thermal envelope shall be insulated to an R-value of not less than R- 6.
2. 
Section N1103.5.1 (R403.5.1) shall not be "mandatory."
aj) 
Amend the IRC by adding a new Table N1106.4 (R406.4) to read as follows:
N1106.4 (R406.4) Maximum Energy Rating Index.
Climate Zone
Energy Rating Index
4
80
Where on-site renewable energy is included for compliance using the ERI analysis of Section N1106.4, the building shall meet the mandatory requirements of Section N1106.2 and the building thermal envelope shall be greater than or equal to the levels of efficiency and SHGC in Table N1102.1.2 or Table N1102.1.4.
ak) 
Amend Section G2414.5.3 of the IRC to read as follows:
G2414.5.3 Copper or copper-alloy tubing. Copper tubing shall comply with Standard Type K or L of ASTM B88 or ASTM B280. Copper and brass tubing shall not be utilized to distribute natural gas, nor shall it be utilized to distribute any other fuel gas within a building or structure.
al) 
Amend Section G2417.4.1 of the IRC to read as follows:
G2417.4.1 Test pressure. The test pressure to be used shall not be less than one and one-half (1 1/2) times the proposed maximum working pressure, but in no case less than ten (10) psig regardless of design pressure. For welded piping and for piping carrying gas at pressure in excess of fourteen (14) inches water column, the test pressure shall not be less than sixty (60) psig.
am) 
Amend Section P2603.5 of the IRC to read as follows:
P2603.5 Freezing. Water, soil, or waste pipe shall not be installed outside of a building, in exterior walls, in attics or crawl spaces, or in any other place subject to freezing temperature unless adequate provision is made to protect it from freezing by insulation or heat or both. Water service pipe shall be installed not less than forty-two (42) inches in depth below grade.
an) 
Amend Section P2503.2 of the IRC to read as follows:
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/her 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/her designated representative. The Building Official may require that any test of the plumbing or drainage system be witnessed by the Building Official or his/her designated representative.
ao) 
Amend Section P2603.5.1 of the IRC to read as follows:
P2603.5.1 Sewer depth. Building sewers shall not be less than twelve (12) inches below grade.
ap) 
Amend Section P2604.5 of the IRC to read as follows:
P2604.5 Inspection. Excavations required for the installation of the building sewer system shall be open trench work and shall be kept open until the piping has been inspected and approved to cover.
aq) 
Amend Section P2902.5.3 of the IRC to read as follows:
P2902.5.3 Lawn irrigation systems. The potable water supply to lawn irrigation systems shall be protected against backflow by an approved device. Backflow devices within structures shall be installed between twelve (12) inches and forty-eight (48) inches above the floor and shall be accessible.
ar) 
Amend Section P2902.6.2 of the IRC to read as follows:
P2902.6.2 Protection of backflow preventers. Backflow preventers shall not be located in areas subject to freezing except where they can be removed by means of unions, or are protected by heat, insulation or both. EXCEPTION: In-ground backflow preventers installed for lawn irrigation systems.
as) 
Amend Section P2902.6.2 of the IRC to read as follows:
P3005.4.2 Building sewer size. The minimum size of a building sewer serving a dwelling unit shall be four (4) inches.
at) 
Amend Section P3008.1 of the IRC to read as follows:
P3008.1 Where required. All sewer connections require a backwater valve which shall be provided with access.
au) 
Amend Section P3114.3 of the IRC to read as follows:
P3114.3 Where permitted. Individual vents, branch vents, circuit vents, and stack vents shall be permitted to terminate with a connection to an air admittance valve only when approved by the Authority Having Jurisdiction (AHJ).
av) 
Amend Section P3303.2 of the IRC to read as follows:
P3303.2 Sump pump. Whenever a sump pit is installed, a sump pump and piping for discharge must also be provided. The sump pump discharge must be day-lighted and shall not be discharged into the public sewer system or onto adjacent properties.
aw) 
Amend Section E3601.6.2 of the IRC to read as follows:
E3601.6.2 Service disconnect location. The service disconnecting means shall be installed at a readily accessible location either outside of a building or inside nearest the point of entrance of the service conductors. When service conductors are more than ten (10) feet in length from the point of entry to the service panel, a separate means of disconnect shall be installed at the service cable entrance to the building or structure. Service disconnecting means shall not be installed in bathrooms. Each occupant shall have access to the disconnect servicing the dwelling unit in which they reside.
ax) 
Amend Section E3902.2 of the IRC to read as follows:
E3902.2 Garage, Unfinished Basements and Accessory Building Receptacles. All 125-volt, single phase, 15- or 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 for personnel.
Exceptions:
1. 
A dedicated single receptacle for a garage door opener.
2. 
A dedicated single receptacle on a dedicated circuit that is specifically identified for cord and plug connected use of an appliance such as a refrigerator or freezer.
3. 
A dedicated single receptacle for a sump pump.
4. 
A dedicated receptacle supplying a permanently installed fire alarm or security alarm system.
ay) 
Amend the IRC by adding a new Chapter 45 to read as follows:
CHAPTER 45
SWIMMING POOLS, SPAS AND HOT TUBS
SECTION 4501 - GENERAL
4501.1 General. The provisions of Chapter 505, Article IX, of the Mission Municipal Code, and Chapter 42 of the 2012 International Residential Code shall control the design and construction of swimming pools, spas and hot tubs installed in or on the lot of one- or two-family dwellings.
SECTION 4502 - DEFINITIONS
Above-Ground Pool. See "swimming pool."
Barrier. A fence, wall, building wall, or combination thereof which completely surrounds the swimming pool and obstructs access to the swimming pool, hot tub, or spa. The term "permanent" shall mean not being able to be removed, lifted, or relocated without the use of a tool.
Hot Tub. See "swimming pool."
In-Ground Pool. See "swimming pool."
On-Ground Pool. A pool than can be disassembled for storage or transport. This includes portable pools with flexible or non-rigid walls that achieve their structural integrity by means of uniform shape, a support frame, or a combination thereof, and that can be disassembled for storage or relocation.
Residential. That which is situated on the premises of a detached one- or two-family dwelling, or a one-family townhouse not more than three (3) stories in height.
Spa, Non-Portable. See "swimming pool."
Spa, Portable. A non-permanent structure intended for recreational bathing, in which all controls, water-heating and water-circulating equipment are an integral part of the product.
Swimming Pool. Any structure intended for swimming or recreational bathing that contains water more than twenty-four (24) inches deep. This includes in-ground, above-ground and on-ground swimming pools, hot tubs and spas.
Swimming Pool, Indoor. A swimming pool which is totally contained within a structure and surrounded on all four (4) sides by the walls of the enclosing structure.
Swimming Pool, Outdoor. Any swimming pool which is not an indoor pool.