See Article 1, 6-101, in Chapter 6 of the Municipal Code.

(Ord. 4052-20)

The “International Residential Code for One- and Two-Family Dwellings, 2018 Edition”, published by the International Code Council, Inc., and all amendments, supplements and appendices thereto, is hereby incorporated by reference and made a part hereof as if fully set out herein save and except certain parts, sections or portions thereof specifically referred to and omitted there from or as amended or modified herein.  The “Standard Code” or “ Residential Code for One- and Two-Family Dwellings “ hereinafter referred to in this section is the “ International Residential Code for One- and Two-Family Dwellings, 2018 Edition”, of the International Code Council Inc., 500 New Jersey Avenue NW 6th Floor Washington DC 20001, and is hereby incorporated by reference as the Residential Code of the City of Ottawa, Kansas.

(Ord. 4052-20)

See Article 1, 6-102, in Chapter 6 of the Municipal Code.

(Ord. 4052-20)

See Article 1, 6-103, in Chapter 6 of the Municipal Code.

(Ord. 4052-20)

See Article 1, 6-104, in Chapter 6 of the Municipal Code.

(Ord. 4052-20)

See Article 1, 6-105, in Chapter 6 of the Municipal Code.

(Ord. 4052-20)

See Article 1, 6-106, in Chapter 6 of the Municipal Code.

(Ord. 4052-20)

See Article 1, 6-107, in Chapter 6 of the Municipal Code.

(Ord. 4052-20)

See Article 1, 6-108, in Chapter 6 of the Municipal Code.

(Ord. 4052-20)

The following are the revisions to the International Residential Code for One- And Two-Family Dwellings adopted in Section 6-302 of the Municipal Code.

Section R101.1 Title.  These provisions shall be known as the Residential Code for One- And Two-Family Dwellings of the City of Ottawa and shall be cited as such and will be referred to herein as “this code.”

Section R103 Community Development Department.

Section R103.1 Creation of enforcement agency.  The official in charge thereof shall be known as the Chief Building Official.

Section R103.2 Appointment.  The building official shall be appointed by the chief appointing authority of the jurisdiction.  Delete this section in its entirety.

Section R105.2 Work exempt from permit.  Permits shall not be required for the following.  Exemption from permit requirements of this code shall not be deemed to grant authorization for any work to be done in any manner in violation of the provisions of this code or any other laws or ordinances of this jurisdiction.

Building:

1.    One-story detached accessory structures used as tool and storage sheds, playhouses and similar uses, provided the floor area does not exceed 200 square feet (18.58 m2).  Delete this exemption.

2.    Fences not over 7 feet (2134 mm) high.  Delete this exemption.

3.    Retaining walls that are not over 4 feet (1219 mm) in height measured from the bottom of the footing to the top of the wall, unless supporting a surcharge, or adjacent to the public right-of-way.

4.    Water tanks supported directly upon grade if the capacity does not exceed 5,000 gallons (18,937L) and the ratio of height to diameter or width does not exceed 2 to 1.

5.    Sidewalks and driveways on private property.

6.    Painting, papering, tiling, carpeting, cabinets, counter tops and similar finish work.

7.    Prefabricated swimming pools that are less than 24 inches (610 mm) deep.

8.    Swings and any other playground equipment.

9.    Window awnings supported by an exterior wall which do not project more than 54 inches (1372 mm) from the exterior wall and do not require additional support.

10.  Decks not exceeding 200 square feet (18.58 m2) in area, that are not more than 30 inches (762 mm) above grade at any point, are not attached to a dwelling and do not serve the exit door required by Section R311.4.  Delete this exemption.

Section R105.10 Homeowner Permit Issuance.  Any permit required by this code may be issued to any person to do any work regulated by this code in a single-family dwelling used exclusively for living purposes, including the usual accessory buildings and quarters in connection with such buildings in the event that any such person is a bona fide owner of any such dwelling and accessory buildings and quarters, and that the same are currently occupied by said owner.  Provided that said owner shall perform all labor in connection therewith and provided said owners can demonstrate basic knowledge of the trade involved (electrical, plumbing, mechanical).  Privilege may be revoked by the Chief Building Official or designee when there is evidence that work is deficient in workmanship or code compliance.

When the excavation and attachment to the public sewer wye is required, all such work shall be performed by a properly licensed plumbing contractor.  The location of the wye connection to the nearest manhole shall be provided by the plumbing contractor to the Chief Building Official or other appropriate administrative authority.

When the electrical work to be done is either the meter base or the service, all such work shall be performed by a properly licensed electrical contractor.

No homeowner will be allowed to install any gas piping or connect to any gas meter.

Section R112 Board of Appeals.  Delete this section in its entirety.

Table R301.2 (1) – Climatic and Geographic Design Criteria

Section 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.

Exception:

A common 2-hour fire resistance-rated wall assembly tested in accordance with ASTM E 119 or UL 263 is permitted for townhouses if such walls do not contain plumbing or mechanical equipment, ducts or vents in the cavity of the common wall.  The wall shall be rated for fire exposure from both sides and shall extend to and be tight against exterior walls and the underside of the roof sheathing.  Electrical installations shall be installed in accordance with Chapters 34 through 43.  Penetrations of electrical outlet boxes shall be in accordance with Section R302.4.

Section R302.2.6 Structural Independence.  Each individual townhouse shall be structurally independent.

Exceptions:

1.    Foundations supporting exterior walls or common walls.

2.    Structural roof and wall sheathing from each unit may fasten to the common wall framing.

3.    Nonstructural wall and roof coverings.

4.    Flashing at termination of roof covering over common wall.

5.    Townhouses separated by a common 2-hour fire-resistance-rated wall as provided in Section R302.2.2.

Table R302.6 – Dwelling/Garage Separation

Separation	Material
From the residence and attics	Not less than 5/8 Type X gypsum board or equivalent applied to the garage side
From all habitable rooms above the garage	Not less than 5/8-inch Type X gypsum board or equivalent
Structure(s) supporting floor/ceiling assemblies used for separation required by this section	Not less than ½-inch gypsum board or equivalent
Garages located less than 3 feet from a dwelling unit on the same lot	Not less than ½-inch gypsum board or equivalent applied to the interior side of exterior walls that are within this area

Section R310.1 Emergency escape and rescue required.  Basements, habitable attics and every sleeping room shall have at least one operable emergency escape and rescue opening.  Where basements contain one or more sleeping rooms, emergency egress and rescue openings shall be required in each sleeping room.  Where emergency escape and rescue openings are provided, they shall have a sill height of not more than 44 inches (1118 mm) measured from the finished floor to the bottom of the clear opening.  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 emergency escape and rescue opening from the inside.  Emergency escape and rescue openings with a finished sill height below the adjacent ground elevation shall be provided with a window well in accordance with Section R310.2.  Emergency escape and rescue openings shall open directly into a public way, or to a yard or court that opens to a public way.  One or more egress windows in sleeping rooms in basements shall satisfy general requirements for egress from habitable basement areas.

Section R313.1 Townhouse automatic fire sprinkler systems. An automatic residential fire sprinkler system may be installed in townhouses.

Section R313.2 One- and two-family dwellings automatic fire systems.  An automatic residential fire sprinkler system may be installed in one- and two-family dwellings.

Figure R403.1 Concrete and Masonry Foundation Details.  Add the following drawings.

Slab on grade floors shall meet N.1102.2.10 Insulation requirements.

Table R404.1.1 (1) Plain Masonry Foundation Walls.  Delete in its entirety.

Table R404.1.1 (2) 8-inch Masonry Foundation Walls with Reinforcing Where d > 5 inches.  Delete in its entirety.

Table R404.1.1 (3) 10-inch Masonry Foundation Walls with Reinforcing Where d > 6.75 inches.  Delete in its entirety.

Table R404.1.1 (4) 12-inch Masonry Foundation Walls with Reinforcing Where d > 8.75 inches.  Delete in its entirety.

Table R404.1.2 (1) Minimum Horizontal Reinforcement for Concrete Basement Walls.  Delete in its entirety.

Table R404.1.2 (2) Minimum Vertical Reinforcement for 6-inch Nominal Flat Concrete Basement Walls.  Delete in its entirety.

Table R404.1.2 (3) Minimum Vertical Reinforcement for 8-inch (203 mm) Nominal Flat Concrete Basement Walls.  Delete in its entirety.

Table R404.1.2 (4) Minimum Vertical Reinforcement for 10-inch Nominal Flat Concrete Basement Walls.  Delete in its entirety.

Table R404.1.2 (5) Minimum Vertical Wall Reinforcement for 6-inch Waffle-Grid Basement Walls.  Delete in its entirety.

Table R404.1.2 (6) Minimum Vertical Reinforcement for 8-inch Waffle-Grid Basement Walls.  Delete in its entirety.

Table R404.1.2 (7) Minimum Vertical Reinforcement for 6-inch (152 mm) Screen-Grid Basement Walls.  Delete in its entirety.

Table R404.1.2 (8) Minimum Vertical Reinforcement for 6-, 8-, 10-inch and 12-inch Nominal Flat Basement Walls.  Delete in its entirety.

Table R404.1.2 (9) Minimum Spacing for Alternate Bar Size And/Or Alternate Grade of Steel.  Delete in its entirety.

Section 801.3 Roof drainage: All dwellings shall have a controlled method of water disposal from roofs that will collect and discharge all roof drainage to the ground surface a minimum of 3 feet from footings and foundation walls or to an approved drainage system.

Section R908.3 Recovering versus replacement.  New roof coverings shall not be installed without first removing all existing layers of roof coverings down to the roof decking.

Exceptions:

1.    Complete and separate roofing systems, such as standing-seam metal roof systems, that are designed to transmit the roof loads directly to the building's structural system and that do not rely on existing roofs and roof coverings for support, shall not require the removal of existing roof coverings.

2.    Installation of metal panel, metal shingle and concrete and clay tile roof coverings over existing wood shake roofs shall be permitted when the application is in accordance with Section R907.4.

3.    The application of new protective coating over existing spray polyurethane foam roofing systems shall be permitted without tear-off of existing roof coverings.

4.    Where the existing roof assembly includes an ice barrier membrane that is adhered to the roof deck, the existing ice barrier membrane shall be permitted to remain in place and covered with an additional layer of ice barrier membrane in accordance with Section R905.

Section N1101.15 (R401.2) Compliance. Projects shall comply with Sections identified as “mandatory” and with either sections identified as “prescriptive” or the performance approach in Section N1105.

Exception:

Structures certified to meet or exceed the energy efficiency standards through a simulated energy performance analysis conducted by a state or nationally certified energy auditor (as example a HERS rating of 80 or lower) shall be exempted from the requirements of Chapter 11.  The energy auditor shall present their state or national certification credentials for review and approval by the Chief Building Official prior to issuance of the permit, and no Certificate of Occupancy shall be issued for the structure until documentation from the auditor certifying the rating of 80 or lower is submitted to and approved by the Chief Building Official.

Table N1102.1.2 (R402.1.2) -- Change line number 4 (4 except Marine) to the following:

Table N1102.1.1 (R402.1)

Insulation and Fenestration Requirements by Component

Section N1102.2.9 Basement Walls.  Walls associated with conditioned basements shall be insulated from the top of the basement wall down to 10 feet (3048 mm) below grade or to the basement floor, whichever is less.  Walls associated with unconditioned basements shall meet this requirement unless the floor overhead is insulated in accordance with Section N1102.2.2 and N1102.2.7.

Exception:

Basement walls that are otherwise exposed shall be insulated from the top of the basement wall down 3 feet (914mm) below grade or the basement floor, whichever is less.

Section N1102.4.1.2 Testing.  Where required by the Code Official, the building or dwelling unit shall be tested and verified as having an air leakage rate not exceeding three (3) 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 Code 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 Code Official.  Testing shall be performed at any time after creation of all penetrations of the building thermal envelope.

Section N1103.3.5 Building cavities (Mandatory).  Building framing cavities shall not be used as ducts or plenums.

Exception:

Unless such framing cavities are contained within the building thermal envelope.

Section N1103.5.3 (R403.4.2) Hot water pipe insulation (Prescriptive).  Insulation for hot water pipe with a minimum thermal resistance (R-value) of R-2 shall be applied to the following:

1.    Piping located under a floor slab.

2.    Buried piping.

3.    Supply and return piping in recirculation systems other than demand recirculation systems.

Section M1401.3 Sizing.  Heating and cooling equipment and appliances shall be sized in accordance with ACCA Manual S based on building loads calculated in accordance with ACCA Manual J or other approved heating and cooling calculation methodologies.  These calculations shall be provided prior to permit issuance.

Section M1601.1.2 Underground duct systems. Underground duct systems shall be constructed of approved concrete, clay, metal or plastic. The maximum duct temperature for plastic ducts shall not be greater than 150°F (66°C). Metal ducts shall be protected from corrosion in an approved manner and shall be completely encased in concrete not less than 2 inches (51 mm) thick. Nonmetallic ducts shall be installed in accordance with the manufacturer’s installation instructions. Plastic pipe and fitting materials shall conform to cell classification 12454-B of ASTM D 1248 or ASTM D 1784 and external loading properties of ASTM D 2412. All ducts shall slope to an accessible point for drainage. Where encased in concrete, ducts shall be sealed and secured prior to any concrete being poured. Metallic ducts having an approved protective coating and nonmetallic ducts shall be installed in accordance with the manufacturer’s installation instructions.

Section G2417.4.1 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 10 psi (20 kPa gauge), irrespective of design pressure. Where the test pressure exceeds 125 psi (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.

Section P2502.2 Additions, alterations or repairs.  Additions, alterations, renovations or repairs to any plumbing systems shall conform to that required for a new plumbing system without requiring the existing plumbing system to comply with all the requirements of this code.  Additions, alterations or repairs shall not cause an existing system to become unsafe, insanitary or overloaded.

Minor additions, alterations, renovations and repairs to existing plumbing systems shall be permitted in the same manner and arrangement as in the existing system, provided that such repairs or replacement are not hazardous and are approved.

When replacing the metallic water service line with plastic, proper grounding for the electric service must be achieved by two of the prescribed methods in Article 250 of the 2017 N.E.C.

Section P2503.4 Building sewer testing.

The building sewer may be tested by 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 ten (10) foot head of water and be able to maintain such pressure for fifteen (15) minutes or by air maintain five (5) PSI for fifteen (15) minutes.  This testing will be required when ordered by the Chief Building Official.

Table P3002.2

Building Sewer Pipe

MATERIAL	STANDARD
Acrylonitrile butadiene styrene (ABS) plastic pipe in IPS diameters, including schedule 40 DR 22 (PS 200) and DR 24 (PS 140); with a solid, cellular core or composite wall	ASTM D 2661; ASTM F 628; ASTM F 1488
Asbestos-cement pipe	ASTM C 428
Cast-iron pipe	ASTM A 74; ASTM A 888; CISPI 301
Acrylonitrile butadiene styrene (ABS) plastic pipe in sewer and drain diameters, including SDR 42 (PS 20), PS35, SDR 35 (PS 45), PS50, PS100, PS140, SDR 23.5 (PS 150) and PS200; with a solid, cellular core or composite wall	ASTM F 1488; ASTM D 2751
Concrete pipe	ASTM C 14; ASTM C 76; CSA A257.1M; CSA A257.2M
Copper or copper-alloy tubing (Type K or L)	ASTM B 75; ASTM B 88; ASTM B 251
Polyethylene (PE) plastic pipe (SDR-PR)	ASTM F 714
Polyolefin pipe	ASTM F 1412; CSA B181.3
Polyvinyl chloride (PVC) plastic pipe in IPS diameters, including schedule 40, DR 22 (PS 200) and DR 24 (PS 140); with solid, cellular core or composite wall	ASTM D 2665; ASTM D 2949; ASTM D 3034; ASTM F 1412; CSA B182.2; CSA B182.4
Polyvinyl chloride (PVC) plastic pipe with 4.00-inch I.D. and a solid, cellular core or composite wall	ASTM D 2949; ASTM F 1488
Stainless steel drainage systems, Types 304 and 316L	ASME A 112.3.1
Vitrified clay pipe	ASTM C 425; ASTM C 700

For SI: 1 inch = 25.4 mm.

Section P3005.4.2 Building drain and sewer size and slope.  Pipe sizes and slope shall be determined from Table P3005.4.2 on the basis of drainage load in fixture units (d.f.u.) computed from Table P3004.1.  However, no building sewer shall be less than four (4) inches in diameter.

Section P3114.2 Installation.  The valves shall only be installed with prior approval in accordance with the requirements of this section and the manufacturer's installation instructions.  Air admittance valves shall be installed after the DWV testing required by Section P2503.5.1 or P2503.5.2 has been performed.

Section E3605.5 Service entrance conductors.  The service entrance conductors, where exposed, shall be enclosed in one of the service raceways approved by the National Electrical Code.

Section E3902.2 Garage 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.

Exception:

A dedicated receptacle supplying a garage door opener, refrigerator, or freezer.

Section E3902.5 Unfinished basement receptacles.  All 125-volt, single-phase, 15- and 20-ampere receptacles installed in unfinished basements shall have ground-fault circuit-interrupter protection for personnel. For purposes of this section, unfinished basements are defined as portions or areas of the basement not intended as habitable rooms and limited to storage areas, work areas, and the like.

Exceptions:

1.    A receptacle supplying only a permanently installed fire alarm or burglar alarm system.

2.    A dedicated receptacle supplying a sump pump, refrigerator or freezer.

Section E3902.16 Arc-fault circuit-interrupters.  All branch circuits that supply 120-volt, single-phase, 15- and 20-ampere outlets installed in bedrooms shall be protected by a combination type listed arc-fault circuit interrupter installed to provide protection of the branch circuit.  For these purposes, a smoke alarm shall not be considered an outlet and is not required to be on an arc-fault circuit.

Exception:

1.    Where an outlet branch-circuit type 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 overcurrent 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 type 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 overcurrent device and the first outlet shall be installed with metal or nonmetallic conduit or tubing that is encased in not less than 2 inches (51 mm) of concrete.

3.    AFCI protection is not required for an individual branch circuit supplying only a fire alarm system where the branch circuit is wired with metal outlet and junction boxes and RMC, IMC, EMT or steel-sheathed armored cable Type AC, or Type MC meeting the requirements of Section E3908.8

Section E4001.15 Switches controlling lighting loads.  Where switches control lighting loads supplied by a grounded general-purpose branch circuit, the grounded circuit conductor for the controlled lighting circuit shall be provided at the switch location.

Exception:

The grounded circuit conductor is not required to be provided at each of the switch enclosures where the following condition applies:

1.    Lighting loads controlled from more than one location would only require the grounded circuit conductor to be present in one switch box of that switch-controlled lighting load. 

Amend E4002.14 Tamper Resistant Receptacles is deleted.

Appendix F Radon Control Methods.  Delete this appendix in its entirety.

Appendix I Private Sewage Disposal.  Delete this appendix in its entirety.

Section AI101 General. 

AI101.1 Scope.  Private sewage disposal systems shall be the City of Ottawa Private Sewage Disposal Code, Article VII of the Municipal Code.

Appendix L Permit Fees.  Delete this appendix in its entirety.

Appendix M Home Day Care - R-3 Occupancy.  Delete this appendix in its entirety.

Appendix O Automatic Vehicular Gates.  Delete this appendix in its entirety.

(Ord. 4052-20)