ORDINANCE NO. 8794

 

AN ORDINANCE OF THE CITY OF LAWRENCE, KANSAS, REPEALING EXISTING CHAPTER V, ARTICLE 3 OF THE CODE OF THE CITY OF LAWRENCE, 2011 EDITION, AND AMENDMENTS THERETO, REPEALING ORDINANCE NO. 8584, AND ENACTING, IN THEIR PLACE, CHAPTER V, ARTICLE 3 OF THE CODE OF THE CITY OF LAWRENCE, KANSAS, 2011 EDITION, AND AMENDMENTS THERETO, WHICH ADOPTS AND INCORPORATES BY REFERENCE THE 2012 INTERNATIONAL RESIDENTIAL CODE, REGULATING BUILDING AND CONSTRUCTION WITHIN THE CITY OF LAWRENCE, KANSAS.

 

BE IT ORDAINED BY THE GOVERNING BODY OF THE CITY OF LAWRENCE, KANSAS:

 

SECTION 1. Existing Chapter V, Article 3, of the Code of the City of Lawrence, Kansas, 2011 Edition, and amendments thereto, and City of Lawrence, Kan., Ord. No. 8584 (Nov. 2, 2010), are hereby repealed in their entirety, it being the intent of the Governing Body that Section 2 of this Ordinance supersede them.

 

SECTION 2. The Code of the City of Lawrence, Kansas, 2011 Edition, and amendments thereto, is hereby amended by enacting Chapter V, Article 3, which reads as follows:

 

ARTICLE 2. RESIDENTIAL CODE

 

5-301               RESIDENTIAL CODE ADOPTED AND INCORPORATED.

The 2012 International Residential Code, published by the International Code Council, Inc., other than those portions hereinafter specifically deleted, modified, or amended, is hereby adopted as the City's Residential Code and is incorporated herein by reference as if set forth in full.

 

5-302               OFFICIAL COPY.

Not less than one (1) copy of the 2012 International Residential Code shall be marked or stamped "OFFICIAL COPY AS INCORPORATED BY ORDINANCE No. 8794," with all sections or portions deleted, modified, or amended clearly marked as such, and to which one (1) copy of this ordinance shall be affixed, shall be filed with the City Clerk, shall be open to inspection, and shall be available to the public during reasonable business hours. Additional official copies shall, at the cost of the City, be supplied to those officials and agencies charged with enforcement of the City's Residential Code.

 

5-303               AMENDMENTS TO THE 2012 INTERNATIONAL RESIDENTIAL CODE           .

                        The 2012 International Residential Code is amended as set forth in the succeeding sections of this Article. These amendments shall not serve to delete, modify, or amend any discretely numbered section or subsection of the 2012 Residential Code, unless the section or subsection is specifically identified as being deleted, modified, or amended.

 

 

 

5-304               APPENDICES.

                        Unless specifically adopted herein, all appendices to the 2012 International Residential Code are hereby deleted.

 

(a)        Appendix E, "Manufactured Housing Used as Dwellings," to the 2012 International Residential Code, is hereby specifically adopted.

 

(b)        Appendix F, "Radon Control Methods," to the 2012 International Residential Code, is hereby specifically adopted.

 

(c)        Appendix G, "Swimming Pools, Spas and Hot Tubs," to the 2012 International Residential Code, is hereby specifically adopted.

 

(d)        Appendix H, "Patio Covers," to the 2012 International Residential Code, is hereby specifically adopted.

 

(e)        Appendix J, "Existing Buildings and Structures," to the 2012 International Residential Code, is hereby specifically adopted.

 

(f)        Appendix M, "Home Day Care -- R-3 Occupancy," to the 2012 International Residential Code, is hereby specifically adopted.

 

5-305               CHAPTER 1, "SCOPE AND ADMINISTRATION," of the 2012 International Residential Code is hereby deleted.

 

5-306               Section R301.2 of the 2012 International Residential Code is hereby amended to read as follows:

 

R301.2 Climatic and geographic design criteria. Buildings shall be constructed in accordance with the provisions of the 2012 International Residential Code, as limited by the provisions of this Article. Additional criteria are hereby established and are set forth in Table R301.2(1).

 

5-307               Table R301.2(1), "Climatic and Geographic Design Criteria," of the 2012 International Residential Code is hereby amended to read as follows:

 

TABLE R301.2(1)

CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA

 

Ground

Snow

Load

Wind Speed (mph)

Seismic

Design

Category

Subject to Damage From

Winter

Design

Temp.

Ice Barrier

UnderLayment

Required

Flood

Hazards

Air Freezing

Index

Mean

Annual

Temp.

Weathering

Frost line

Depth

Termite

20 lbs

90

A

Severe

30”

Moderate

to Heavy

4

No

Ordinance

No. 7594

778 F

Days

56.3

 

 

5-308               The 2012 International Residential Code is hereby amended by adding Section R310.1.5, which reads as follows:

 

                       

R310.1.5 Existing Dwelling Units. Basements of existing dwelling units or basements of dwelling units under construction, prior to the adoption date of the 2012 International Residential Code, shall have at least one operable emergency escape and rescue opening in accordance with Section R310.1, when the finished area of the basement equals fifty percent or more of the total square footage of the basement area, or when sleeping room(s) are located in the basement.

                                   

5-309               Section R313.2 of the 2012 International Residential Code is hereby amended to read as follows:

 

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

 

Exception: An automatic residential fire sprinkler system shall not be required for additions or alterations to existing buildings that are not already provided with an automatic residential sprinkler system.

 

5-310               Section R507.2.3 of the 2012 International Residential Code is hereby amended to read as follows:           

                       

R507.2.3 Deck lateral load connection. The lateral load connection required by Section R507.1 shall be permitted but shall not be required to be in accordance with Figure R507.2.3. Hold-down tension devices shall be installed in not less than two locations per deck, and each device shall have an allowable stress design capacity of not less than 1500 pounds (6672 N).

 

5-311               Section N1101.1 of the 2012 International Residential Code is hereby amended to read as follows:

 

                        N1101.1 Scope. This chapter regulates the energy efficiency for the design and construction of buildings regulated by this code.

 

                        Exception: Buildings designed and constructed in accordance with Appendix R of the 2012 International Residential Code, as adopted by the City in Section 5-346 of the City Code.

 

Note: The text of the following Sections N1101.2 through N1105 is extracted from the 2012 edition of the International Energy Conservation Code -- Residential Provisions and has been editorially revised to conform to the scope and application of this code. The section numbers appearing in parentheses after each section number are the section numbers of the corresponding text in the International Energy Conservation Code -- Residential Provisions.

 

5-312               Table 1102.1.1 (R402.1.1), "Insulation and Fenestration Requirements by Component," of the 2012 International Residential Code is hereby amended to read as follows:

 

 

 

 

TABLE N1102.1

INSULATION AND FENESTRATION REQUIREMENTS BY COMPONENT

 

 

CLIMATE

ZONE

 

FENESTRATION

U-FACTORb

 

SKYLIGHTb

U-FACTOR

 

GLAZED

FENSTRATION

SHGC

 

CEILING

R-VALUE

 

WOOD

FRAMED WALL

 

MASS

WALL

R-VALUESi

 

FLOOR

 R-VALUE

 

BASEMENTc

WALL

R-VALUE

 

SLABd

 R-VALUE

   AND DEPTHhj

CRAWLc

SPACE WALL

 R-VALUE

1

NR

0.75

0.25

30

13

¾

13

0

0

 0

2

0.40

0.65

0.25

38

13

4/6

13

0

0

0

3

0.35

0.55

0.25

38

20 or13+5h

8/13

19

5/13f

0

5/13

4 except

Marine

0.35

0.55

0.40

49

20 19 or 13+5 2 hk

     8/13

19

10/13

10, 2 ft

10/13

5 and

Marine 4

0.32

0.55

NR

49

20 or

13+5h

13/17

30g

15/19

10, 2 ft

15/19

6

0.32

0.55

NR

49

20+5 or

13+10h

15/20

30g

15/19

10, 4 ft

15/19

7 and 8

0.32

0.55

NR

38

20+5 or 13+10h

19/21

30g

15/19

10, 4 ft

15/19

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 than the

                R-value specified in the table. 

 

b.             The fenestration U-factor column excludes skylights. The SHGC column applies to all glazed fenestration.

              Exception: Skylights may be excluded from glazed fenestration SHGC requirements in Climate Zones 1 through 3 where the SHGC for such skylights does not exceed 0.30.

c.             “15/19” means R-15 continuous insulation on the interior or exterior of the home or R-19 cavity insulation at the interior of the basement wall. “15/19” shall be permitted to be met with R-13 cavity insulation on the interior of the basement wall plus R-5 continuous insulation on the interior or exterior of the home. “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 wall.

d.             R-5 shall be added to the required slab edge R-values for heated slabs. Insulation depth shall be the depth of the footing or 2 feet, whichever is less in Zones 1 through 3 for heated slabs.

e.             There are no SHGC requirements in the Marine Zone.

f.              Basement wall insulation is not required in warm-humid locations as defined by Figure N1101.10 and Table N1101.10.

g.             Or insulation sufficient to fill the framing cavity, R-19 minimum.

h.             First value is cavity insulation, second is continuous insulation or insulated siding, so “13 + 5” means R-13 cavity insulation plus R-5 continuous insulation or insulated siding. If structural sheathing covers 40 percent or less of the exterior, continuous insulation R-value shall be permitted to be reduced by no more than R-3 in the locations where structural sheathing is used to maintain a consistent total sheathing thickness.

i.              The second R-value applies when more than half the insulation is on the interior of the mass wall.     

j.              Slab edge insulation may be eliminated for slab on grade floors when heating systems efficiency rating is 90% or better.

k.             R-19 13+5 Effective July 1, 2014.

 

5-313               Section N1102.2.8 of the 2012 International Residential Code is hereby amended to read as follows:

 

N1102.2.8 Basement walls. Exterior 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 Sections N1102.1 and N1102.2.6.

 

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

 

5-314               Section N1102.4.1.2 (R402.4.1.2) of the 2012 International Residential Code is hereby amended to read as follows:

 

                        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 not exceeding 5 air changes per hour. in Zones 1 and 2, and 3 air changes per hour in Zones 3 through 8. 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.

 

5-315               The 2012 International Residential Code is hereby amended by adding Section N1102.4.1.3, which reads as follows:

                       

N1102.4.1.2.1 Amended air changes timetable. Effective July 1, 2014, the air leakage rate shall not exceed 4 air changes per hour. Effective July 1, 2015, the air leakage rate shall not exceed 3 air changes per hour.

 

5-316               Sections N1103.2.1 and N1103.2.2 of the 2012 International Residential Code are hereby amended to read as follows:

 

                        N1103.2.1 (R403.2.1) Insulation (Prescriptive). Supply ducts in attics shall be insulated to a minimum of R-8. All other ducts shall be insulated to a minimum of R-6.

 

Exception: Ducts or portions thereof located completely inside the building thermal envelope.

           

                        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:

 

                                    1.         Air-impermeable spray foam products shall be permitted to be applied without additional joint seals.

 

2.         Where a duct connection is made that is partially inaccessible, three screws or rivets shall be equally spaced on the exposed portion of the joint so as to prevent a hinge effect.

 

            3.         Continuously welded and locking-type longitudinal joints and seams in ducts operating at static pressures less than 2 inches of water column (500 Pa) pressure classification shall not require additional closure systems.

 

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 (113.3 L/min) per 100 square feet (9.29 m2) 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 (113.3 L/min) per 100 ft2 (9.29 m2) of conditioned floor area when tested at a pressure differential of 0.1 inches 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 (85 L/min) per 100 square feet (9.29 m2) of conditioned floor area.

 

            3.         Post construction test: Leakage to outdoors shall be less than or equal to 4 cfm (113.3 L/min) per 100 ft2 (9.29 m2) of conditioned floor area when tested at a pressure differential of 0.1 inches 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.

 

Exception: The total leakage test is not required for ducts and air handlers located entirely within the building thermal envelope.

 

5-317               Section N1103.2.3 (R403.2.3) of the 2012 International Residential Code is hereby deleted.

 

5-318               Section N1103.4.2 (R403.4.2) of the 2012 International Residential Code is hereby amended to read as follows:

 

                        N1103.4.2 (R403.4.2) Hot water pipe insulation (Prescriptive). Insulation for hot water pipe with a minimum thermal resistance (R-value) of R-3 R-2 shall be applied to the following:

 

            1.         Piping larger than 3/4-inch nominal diameter.

 

            2.         Piping serving more than one dwelling unit.

 

            3.         Piping from the water heater to kitchen outlets.

 

            4.         Piping located outside the conditioned space.

 

            5.         Piping from the water heater to a distribution manifold.

 

            6.         Piping located under a floor slab located less than 5 feet from an un-insulated slab edge.

 

            7.         Buried piping.

 

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

 

            9.         Piping with run lengths greater than the maximum run lengths for the nominal pipe diameter given in Table N1103.4.2.

 

All remaining piping shall be insulated to at least R-3 or meet the run length requirements of Table N1103.4.2.

 

5-319               The 2012 International Residential Code is hereby amended by adding Section N1103.6.1, which reads as follows:

 

N1106.1 Equipment performance requirements. Equipment shall meet the minimum efficiency requirements mandated by federal government minimum efficiency standards, when tested and rated in accordance with the applicable test procedure. The efficiency shall be verified through certification under an approved certification program or, if no certification program exists, the equipment efficiency ratings shall be supported by data furnished by the manufacturer. Where multiple rating conditions or performance requirements are provided, the equipment shall satisfy all stated requirements. Where components, such as indoor or outdoor coils, from different manufacturers are used, calculations and supporting data shall be furnished by the designer that demonstrates that the combined efficiency of the specified components meets the requirements herein.

 

5-320               Section N1104.1 (R404.1) of the 2012 International Residential Code is hereby amended to read as follows:

 

N1104.1 (R404.1) Lighting equipment (Mandatory). A minimum of 75 50 percent of the lamps in permanently installed lighting fixtures shall be high-efficacy lamps or a minimum of 75 50 percent of the permanently installed lighting fixtures shall contain only high-efficacy lamps.

           

                                    Exception: Low-voltage lighting shall not be required to utilize high-efficiency lamps.

 

5-321               Section M1307.3 of the 2012 International Residential Code is hereby amended to read as follows:

 

M1307.3 Elevation of ignition source. Permanently fixed mechanical equipment and appliances having an ignition source, including but not limited to motors, relays, or other electrical devices, shall be elevated such that the source of ignition is not less than 18 inches (457 mm) above the floor bottom of the cabinet is not less than 14 inches above the floor for upflow furnaces and 18 inches (457 mm) above the floor for downflow furnaces in garages. For the purpose of this section, rooms or spaces that are not part of the living space of a dwelling unit and that communicate with a private garage through openings shall be considered to be part of the garage.

 

Exception: Elevation of the ignition source is not required for appliances that are listed as flammable vapor ignition resistant.

 

 

5-322               Section M1401.3 of the 2012 International Residential Code is hereby amended to read as follows:

 

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. Prior to permit issuance, these calculations shall be provided to the department having jurisdiction and shall include the following:

 

                                    1.         The capacity of each piece of heating and cooling equipment;

                                   

                                    2.         The calculation shall include, but is not limited to window efficiency and sizes, insulation R-values for floor, wall, and ceiling, orientation of the house, house color, and roof color; and

 

                                    3.         The calculations shall be submitted with every new one- and two-family dwelling or any addition that will change the heating and cooling load of such a dwelling.

 

5-323               Sections M1601.1 and M1601.1.2 of the 2012 International Residential Code are hereby amended to read as follows:

 

M1601.1 Duct design. Duct systems serving heating, cooling and ventilation equipment shall be installed in accordance with the provisions of this section and ACCA Manual D or other approved methods. A drawing of each duct system, including the size and length of each duct trunk, branch, and CFM of each duct branch run, shall be on site prior to the rough-in inspection.

 

 

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 or 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.

 

5-324               Section G2406.2 (303.3) of the 2012 International Residential Code is hereby amended to read as follows:

 

G2406.2 (303.3) Prohibited locations.  Appliances shall not be located in sleeping rooms, bathrooms, toilet rooms, hot tub rooms, storage closets or surgical rooms, or in a space that opens only into such rooms or spaces, except where the installation complies with one of the following:

 

                                    1.         The appliance is a direct-vent appliance installed in accordance with the conditions of the listing and the manufacturer’s instructions.

 

                        2.         Vented room heaters, wall furnaces, vented decorative appliances, vented gas fireplaces, vented gas fireplace heaters and decorative appliances for installation in vented solid fuel-burning fireplaces are installed in rooms that meet the required volume criteria of Section G2407.5.

 

            3.         A single wall-mounted unvented room heater is installed in a bathroom and such unvented room heater is equipped as specified in Section G2445.6, and has an input rating not greater than 6,000 Btu/h (1.76 kW), and a carbon monoxide detector is installed in the same room as the appliance in addition to the requirements in Section R315. The bathroom shall meet the required volume criteria of Section G2407.5.

 

            4.         A single wall-mounted unvented room heater is installed in a bedroom and such unvented room heater is equipped as specified in Section G2445.6, and has an input rating not greater than 10,000 Btu/h (2.93 kW), and a carbon monoxide detector is installed in the same room as the appliance in addition to the requirements in Section R315. The bedroom shall meet the required volume criteria of Section G2407.5.

 

                                    5.         The appliance is installed in a room or space that opens only into a bedroom or bathroom, and such room or space is used for no other purpose and is provided with a solid weather-stripped door equipped with an approved self-closing device. All combustion air shall be taken directly from the outdoors in accordance with Section G2407.6.

 

5-325               Section G2417.4.1 (406.4.1) of the 2012 International Residential Code is hereby amended to read as follows:

 

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 3 10 psig (20 69 kPa gauge), irrespective of design pressure. Where the test pressure exceeds 125 psig (862 kPa gauge), the test pressure shall not exceed a value that produces a hoop stress in the piping greater than 50 percent of the specified minimum yield strength of the pipe.

           

5-326               The 2012 International Residential Code is hereby amended by adding Section P2713.4, which reads as follows:

 

                        P2713.4 Prohibition. In no case shall bathtubs be installed head to head.

 

5-327               Table P2905.4, "Water Service Pipe," of the 2012 International Residential Code is hereby amended to read as follows:

 

5-328               Section P3005.2.7 of the 2012 International Residential Code is hereby amended to read as follows:

 

                        P3005.2.7 Building drain and building sewer junction. There shall be a cleanout near the junction of the building drain and the building sewer. This cleanout shall be either inside or outside the building wall provided that it is and shall be brought up to finish grade or to the lowest floor level. An approved two-way cleanout shall be permitted to serve as the required cleanout for both the building drain and the building sewer. The cleanout at the junction of the building drain and building sewer shall not be required where a cleanout on a 3-inch (76 mm) or larger diameter soil stack is located within a developed length of 10 feet (3048 mm) of the building drain and building sewer junction.

 

5-329               Section P3005.4.2 of the 2012 International Residential Code is hereby amended to read as follows:

 

                        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.

 

5-330               The 2012 International Residential Code is hereby amended by adding Section P3113.5, which reads as follows:

 

P3113.5 Aggregate Size of Vents. The drainage piping of each building and each connection to a public sewer or a private sewage disposal system shall be vented by means of one or more vent pipes, the aggregate cross-sectional area of which shall not be less than that of the largest required building sewer, as determined from Table 710.1(1) of the 2012 International Plumbing Code. Vent pipes from fixtures located upstream from pumps, ejectors, backwater valves, or other devices that in any way obstruct the free flow of air and other gases between the building sewer and the outside atmosphere shall not be used for meeting the cross-sectional area venting requirements of this section.

 

Exception: When connected to a common building sewer, the drainage piping of two (2) or more buildings located on the same lot and under one (1) ownership may be vented by means of piping sized in accordance with Table 710.1(1) of the 2012 International Plumbing Code, provided the aggregate cross-sectional area of all vents is not less than that of the largest required common building sewer.

 

5-331               Sections P3114.2, P3114.3, and P3114.8 of the 2012 International Residential Code are hereby amended to read as follows:  

 

P3114.2 Installation. The valves shall only be installed with prior approval from the department having jurisdiction, in accordance with the requirements of this section, and in accordance with 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.

 

P3114.3 Where permitted. The valves shall only be permitted in the alterations of existing buildings with prior approval from the department having jurisdiction. Individual vents, branch vents, circuit vents and stack vents shall be permitted to terminate with a connection to an air admittance valve . Individual and branch type air admittance valves shall vent only fixtures that are on the same floor level and connect to a horizontal branch drain.

 

P3114.8 Prohibited installations. Air admittance valves without an engineered design shall not be used to vent sumps or tanks of any type and shall not be installed in new construction.

 

Exception: Island fixtures in new construction may be vented by air admittance valves that comply with Section P3114.

 

5-332               Section P3201.2 of the 2012 International Residential Code is hereby amended to read as follows:           

 

P3201.2 Trap seals and trap seal protection. Traps shall have a liquid seal not less than 2 inches (51 mm) and not more than 4 inches (102 mm). Traps for floor drains shall be fitted with a trap primer or shall be of the deep seal design. Trap seal primer valves shall connect to the trap at a point above the level of the trap seal.

5-333               Section E3609.3 of the 2012 International Residential Code is hereby amended to read as follows:           

 

E3609.3 Bonding for other systems. An intersystem bonding termination for connecting intersystem bonding conductors required for other systems shall be provided external to enclosures at the service equipment or metering equipment enclosure and at the disconnecting means for any additional buildings or structures. The intersystem bonding termination shall comply with all of the following:

 

                  1.         It shall be accessible for connection and inspection.

 

                  2.         It shall consist of a set of terminals with the capacity for connection of not less than three intersystem bonding conductors.

 

                  3.         It shall not interfere with opening of the enclosure for a service, building or structure disconnecting means, or metering equipment.

 

      4.         Where located at the service equipment, it shall be securely mounted and electrically connected to an enclosure for the service equipment, to the meter enclosure, or to an exposed nonflexible metallic service raceway, or shall be mounted at one of these enclosures and connected to the enclosure or to the grounding electrode conductor with a 6 AWG or larger copper conductor.

 

            5.         Where located at the disconnecting means for a building or structure, it shall be securely mounted and electrically connected to the metallic enclosure for the building or structure disconnecting means, or shall be mounted at the disconnecting means and connected to the metallic enclosure or to the grounding electrode conductor with a 6 AWG or larger copper conductor.

 

            6.         It shall be listed as grounding and bonding equipment.

5-334               Section E3611.2 of the 2012 International Residential Code is hereby amended to read as follows:

 

E3611.2 Accessibility. All mechanical elements used to terminate a grounding electrode conductor or bonding jumper to the grounding electrodes that are not buried or concrete encased shall be accessible. The location of the grounding electrode conductor connection to the grounding electrode(s) shall be permanently stated on a plaque or directory on the service disconnecting means.

 

5-335               The 2012 International Residential Code is hereby amended by adding Section P3702.3.1., which reads as follows:

 

                        P3702.3.1 Sump Pumps. Sump pumps shall be served by an individual branch circuit. The circuit and its receptacle outlet shall be in addition to any other outlets required by E3703.

 

 

5-336               Table E3801.4, "Allowable Applications for Wiring Methods, of the 2012 International Residential Code is hereby amended to read as follows:

 

Table E3801.2

ALLOWABLE APPLICATIONS FOR WIRING METHODS a,b,c,d,e,f,g,h,i

ALLOWABLE APPLICATIONS

 

(applications allowed where marked with an“A”)

 

 

AC

 

 

EMT

 

 

ENT

 

 

FMC

IMC

RMC

RNC

 

 

LFCa

 

 

MC

 

 

NM

 

 

SR

 

 

SE

 

 

UF

 

 

USE

Services

Ah

A

Ai

A

Ai

A

---

Feeders

A

A

A

A

A

A

A

A

Ab

A

Ab

Branch circuits

A

A

A

A

A

A

A

A

Ac

A

Inside a building

A

A

A

A

A

A

A

A

A

A

A

Wet locations exposed to sunlight

A

Ah

Ad

A

A

A

A

Ae

Ae

Damp locations

A

A

Ad

A

A

A

A

A

A

Embedded in non-cinder concrete in dry

Location

A

A

A

In non-cinder concrete in contact with grade

Af

A

Af

Embedded in plaster not exposed to

Dampness

A

A

A

A

A

A

A

A

A

A

Embedded in masonry

A

A

Af

A

A

In masonry voids and cell exposed to dampness or below grade line

Af

A

Ad

Af

A

A

A

A

Fished in masonry voids

A

 

 

 

 

 

 

In masonry voids and cells not exposed to dampness

A

A

A

A

A

A

A

A

A

A

A

A

Run exposed

A

A

A

A

A

A

A

A

A

A

A

A

Run exposed and subject to physical damage

Ag

For direct burial

Af

Af

A

A

 

A

 

For SI:    1 foot = 304.8 mm.

                        a.         Liquid-tight flexible nonmetallic conduit without integral reinforcement within the conduit wall shall not exceed 6 feet in length.

                        b.         The grounded conductor shall be insulated except where used to supply other buildings on the same premises. Type USE cable shall not be used inside buildings.

            c.         The grounded conductor shall be insulated.

            d.         Conductors shall be a type approved for wet locations and the installation shall prevent

      water from entering other raceways.

            e.         Shall be listed as "Sunlight Resistant."

            f.          Metal raceways shall be protected from corrosion and approved for the application.

      Aluminum RMC requires approved supplementary corrosion protection.

            g.         RNC shall be Schedule 80.

            h.         Shall be listed as "Sunlight Resistant" where exposed to the direct rays of the sun.

            i.          Conduit shall not exceed 6 feet in length.

            j.          Liquid-tight flexible nonmetallic conduit is permitted to be encased in concrete where

      listed for direct burial and only straight connectors listed for use with LFNC are used.

            k.          In wet locations under any of the following conditions:

                                    (i)         The metallic covering is impervious to moisture.

(ii)         A lead sheath or moisture-impervious jacket is provided under the metal covering.

            (iii)        The insulated conductors under the metallic covering are listed for use in wet locations and a corrosion-resistant jacket is provided over the metallic sheath.

 

5-337               Section E3901.4 of the 2012 International Residential Code is hereby amended to read as follows:

 

E3901.4 Countertop receptacles. In kitchens pantries, breakfast rooms, dining rooms and similar areas of dwelling units, receptacle outlets for countertop spaces shall be installed in accordance with Sections E3901.4.1 through E3901.4.5. Where a range, counter-mounted cooking unit, or sink is installed in an island or peninsular countertop it is considered to divide the countertop space into two separate countertop spaces as defined in Section E3901.4.4. Each separate countertop space shall comply with the applicable requirements of this section.

 

5-338               Section P3901.7 of the 2012 International Residential Code is hereby deleted.

 

5-339               The 2012 International Residential Code is hereby amended by adding Section P3901.9.1., which reads as follows:

 

E3901.9.1 Garage Door Opener Receptacle Outlets. A single receptacle outlet shall be installed in the garage ceiling for each vehicle entry door.  The single receptacle outlet shall be located near the center of the finished edges of the opening. The single receptacle outlet shall be located from the opening by the sum total of the height of the door plus a minimum of two feet.

 

5-340               Section E902.4 of the 2012 International Residential Code is hereby amended to read as follows:

 

E3902.4 Crawl space receptacles. Where a crawl space is at or below grade level, all 125-volt, single-phase, 15- and 20-ampere receptacles installed in such spaces shall have ground-fault circuit-interrupter protection for personnel.

 

                        Exception: A single receptacle outlet for refrigerators, freezers, garage door openers, and sump pumps located within dedicated space for each appliance that, in normal use, are not easily moved from one place to another and that are cord-and-plug connected in accordance with E3909.

 

5-341               Section E902.5 of the 2012 International Residential Code is hereby amended to read as follows:

 

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 single receptacle outlet for refrigerators, freezers, garage door openers, and sump pumps located within dedicated space for each appliance that, in normal use, are not easily moved from one place to another and that are cord-and-plug connected in accordance with E3909.

 

5-342               Section E3902.12 of the 2012 International Residential Code is hereby amended to read as follows:

 

E3902.12 Arc-fault circuit-interrupter protection. All branch circuits that supply 120-volt, single-phase, 15- and 20-ampere outlets installed in family rooms, dining rooms, living rooms, parlors, libraries, dens, bedrooms, sunrooms, recreations rooms, closets, hallways and similar rooms or areas shall be protected by a combination type listed arc-fault circuit interrupter installed to provide protection of the branch circuit.

 

            Exceptions:

 

            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.

 

5-343               Section E4001.15 of the 2012 International Residential Code is hereby amended to read as follows:

 

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 either of the following conditions apply condition applies:

 

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. 

1.         The conductors enter the box through a raceway. The raceway shall have sufficient cross-sectional area to accommodate the extension of the grounded circuit conductor of the lighting circuit to the switch location whether or not the conductors in the raceway are required to be increased in size to comply with Section E3705.3.

 

2.         Cable assemblies enter the box through a framing cavity that is open at the top or bottom on the same floor level, or through a wall, floor, or ceiling that is unfinished on one side.

 

5-344               Section AF101.1 of the 2012 International Residential Code is hereby amended to read as follows:

 

AF101.1 General. This appendix contains requirements for new construction in jurisdictions where radon-resistant construction is required.

 

Exception: This appendix does not apply to additions less than 150 square feet in floor area.

 

5-345               Section AF103.4.2 of the 2012 International Residential Code is hereby deleted.

 

5-346               The 2012 International Residential Code is hereby amended by adding Appendix R, which reads as follows:

 

 

 

APPENDIX R

 

ENERGY CONSERVATION ALTERNATIVE COMPLIANCE

 

AR101 Compliance.

This Appendix Chapter is an alternative to Chapter 11 of the 2012 International Residential Code and the 2012 International Energy Conservation Code -- Residential Provisions.

 

AR102 Certificate.

A permanent certificate shall be posted on or in the electrical distribution panel. The certificate shall not cover or obstruct the visibility of the circuit directory label, service disconnect label, or other required labels. The certificate shall be completed by the builder or registered design professional. The certificate shall list the predominant R- values of insulation installed in or on ceiling/roof, walls, foundation (slab, basement wall, crawlspace wall and/or floor) and ducts outside conditioned spaces; U- factors for fenestration and the solar heat gain coefficient (SHGC) of fenestration. Where there is more than one value for each component, the certificate shall list the value covering the largest area. The certificate shall list the types and efficiencies of heating, cooling, and service water heating equipment. Where a gas-fired unvented room heater, electric furnace, or baseboard electric heater is installed in the residence, the certificate shall list "gas-fired unvented room heater," "electric furnace," or "baseboard electric heater," as appropriate. An efficiency shall not be listed for gas-fired unvented room heaters, electric furnaces, or electric baseboard heaters. The certificate shall also display the Home Energy Rating System (HERS) index, as defined by the Residential Energy Services Network (RESNET) Comprehensive HERS Rating.

 

AR103 HERS Index.

The building must achieve a HERS index of 80 or less from an approved, independent, third party HERS inspector that is certified by a RESNET accredited rating provider. After June 30, 2014, the building must achieve a HERS index of 75 or less. After June 30, 2015, the building must achieve a HERS index of 70 or less. A copy of the HERS analysis and testing results signed by the HERS inspector shall be submitted to the building official and be made available to the building owner.

 

AR104 Ventilation required.

Where the air infiltration rate of a dwelling unit is less than 5 air changes per hour, when tested with a blower door at a pressure of 0.2 inch w.c (50 Pa) in accordance the HERS analysis and testing required by Section AR103, the dwelling unit shall be provided with whole-house mechanical ventilation in accordance with Sections N1103.5 and  M1507.3.

 

AR105 Air leakage.

 

AR105.1 Building thermal envelope.

The building thermal envelope shall be durably sealed to limit infiltration. The sealing methods between dissimilar materials shall allow for differential expansion and contraction. The following shall be caulked, gasketed, weatherstripped or otherwise sealed with an air barrier material, suitable film or solid material:

 

1.         All joints, seams and penetrations.

 

2.         Site-built windows, doors and skylights.

 

3.         Openings between window and door assemblies and their respective jambs and framing.

 

4.         Utility penetrations.

 

5.         Dropped ceilings or chases adjacent to the thermal envelope.

 

6.         Knee walls.

 

7.         Walls and ceilings separating a garage from conditioned spaces.

 

8.         Behind tubs and showers on exterior walls.

 

9.         Common walls between dwelling units.

 

10.       Attic access openings.

 

11.       Rim joist junction.

 

12.       Other sources of infiltration.

 

AR105.2 Air sealing and insulation.

Building envelope air tightness and insulation installation shall be demonstrated to comply with one of the following options given by Section AR104.2.1 or AR104.2.2:

 

TABLE 105.2

AIR BARRIER AND INSULATION INSPECTION COMPONENT CRITERIA

 

COMPONENT

CRITERIA

Air barrier and thermal barrier

Exterior thermal envelope insulation for framed walls is installed in substantial contact and continuous alignment with the building envelope air barrier.

Breaks or joints in the air barrier are filled or repaired.

Air-permeable insulation is not used as a sealing material.

Air-permeable insulation is inside of an air barrier.

Ceiling/attic

Air barrier in any dropped ceiling/soffit is substantially aligned with insulation and any gaps are sealed.

Attic access (except unvented attic), knee wall door, or drop down stair is sealed.

Walls

Corners and headers are insulated.

Junction of foundation and sill plate is sealed.

Windows and doors

Space between window/door jambs and framing is sealed.

Rim joists

Rim joists are insulated and include an air barrier.

Floors

(including above-garage and cantilevered floors)

Insulation is installed to maintain permanent contact with underside of subfloor decking.

Air barrier is installed at any exposed edge of insulation.

Crawl space walls

Insulation is permanently attached to walls.

Exposed earth in unvented crawl spaces is covered with Class I vapor retarder with overlapping joints taped.

Shafts, penetrations

Duct shafts, utility penetrations, knee walls and flue shafts opening to exterior or unconditioned space are sealed.

Narrow cavities

Batts in narrow cavities are cut to fit, or narrow cavities are filled by sprayed/blown insulation.

Garage separation

Air sealing is provided between the garage and conditioned spaces.

Recessed lighting

Recessed light fixtures are air tight, IC rated, and sealed to drywall.

Exception-fixtures in conditioned space.

Plumbing and wiring

Insulation is placed between outside and pipes. Batt insulation is cut to fit around wiring and plumbing, or sprayed/blown insulation extends behind piping and wiring.

Shower/tub on exterior wall

Showers and tubs on exterior walls have insulation and an air barrier separating them from the exterior wall.

Electrical/phone box on exterior walls

Air barrier extends behind boxes or air sealed-type boxes are installed.

Common wall

Air barrier is installed in common wall between dwelling units.

HVAC register boots

HVAC register boots that penetrate building envelope are sealed to subfloor or drywall.

Fireplace

Fireplace walls include an air barrier.

 

AR105.2.1 Testing option.

Building envelope tightness and insulation installation shall be considered acceptable when tested air leakage is less than seven air changes per hour (ACH) when tested with a blower door at a pressure of 33.5 psf (50 Pa). Testing shall occur after rough in and after installation of penetrations of the building envelope, including penetrations for utilities, plumbing, electrical, ventilation and combustion appliances.

 

During testing:

 

1.         Exterior windows and doors, fireplace and stove doors shall be closed, but not sealed;

 

2.         Dampers shall be closed, but not sealed, including exhaust, intake, makeup air, backdraft and flue dampers;

 

3.         Interior doors shall be open;

 

4.         Exterior openings for continuous ventilation systems and heat recovery ventilators shall be closed and sealed;

 

5.         Heating and cooling system(s) shall be turned off;

 

6.         HVAC ducts shall not be sealed; and

 

7.         Supply and return registers shall not be sealed.

 

AR105.2.2 Visual inspection option.

Building envelope tightness and insulation installation shall be considered acceptable when the items listed in Table 402.4.2, applicable to the method of construction, are field verified. Where required by the code official, an approved party independent from the installer of the insulation shall inspect the air barrier and insulation.

 

AR105.3 Fireplaces.

New wood-burning fireplaces shall have gasketed doors and outdoor combustion air.

 

AR105.4 Fenestration air leakage.

Windows, skylights, and sliding glass doors shall have an air infiltration rate of no more than 0.3 cfm per square foot (1.5 L/s/m2), and swinging doors no more than 0.5 cfm per square foot (2.6 L/s/m2), when tested according to NFRC 400 or AAMA/WDMA/CSA 101/I.S.2/A440 by an accredited, independent laboratory and listed and labeled by the manufacturer.

 

Exceptions: Site-built windows, skylights, and doors.

 

AR105.5 Recessed lighting.

Recessed luminaires installed in the building thermal envelope shall be sealed to limit air leakage between conditioned and unconditioned spaces. All recessed luminaires shall be IC-rated and labeled as meeting ASTM E 283 when tested at 1.57 psf (75 Pa) pressure differential with no more than 2.0 cfm (0.944 L/s) of air movement from the conditioned space to the ceiling cavity. All recessed luminaires shall be sealed with a gasket or caulk between the housing and the interior wall or ceiling covering.

 

AR200 SYSTEMS.

 

AR201 Controls.

At least one thermostat shall be provided for each separate heating and cooling system.

 

AR201.1 Programmable thermostat.

Where the primary heating system is a forced-air furnace, at least one thermostat per dwelling unit shall be capable of controlling the heating and cooling system on a daily schedule to maintain different temperature set points at different times of the day. This thermostat shall include the capability to set back or temporarily operate the system to maintain zone temperatures down to 55°F (13°C) or up to 85°F (29°C). The thermostat shall initially be programmed with a heating temperature set point no higher than 70°F (21°C) and a cooling temperature set point no lower than 78°F (26°C).

 

AR201.2 Heat pump supplementary heat.

Heat pumps having supplementary electric-resistance heat shall have controls that, except during defrost, prevent supplemental heat operation when the heat pump compressor can meet the heating load.

 

AR202 Ducts.

 

AR202.1 Insulation.

Supply ducts in attics shall be insulated to a minimum of R-8. All other ducts shall be insulated to a minimum of R-6.

 

Exception: Ducts or portions thereof located completely inside the building thermal envelope.

 

AR202.2 Sealing.

All ducts, air handlers, filter boxes, and building cavities used as ducts shall be sealed. Joints and seams shall comply with Section M1601.4.1 of the International Residential Code.

 

Duct tightness shall be verified by either of the following:

 

1.         Postconstruction test: Leakage to outdoors shall be less than or equal to 8 cfm (226.5 L/min) per 100 ft2 (9.29 m2) of conditioned floor area or a total leakage less than or equal to 12 cfm (12 L/min) per 100 ft2 (9.29 m2) 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 6 cfm (169.9 L/min) per 100 ft2 (9.29 m2) of conditioned floor area when tested at a pressure differential of 0.1 inches w.g. (25 Pa) across the roughed in system, including the manufacturer's air handler enclosure. All register boots 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 4 cfm (113.3 L/min) per 100 ft2 (9.29 m2) of conditioned floor area.

 

Exception: Duct tightness test is not required if the air handler and all ducts are located within conditioned space.

 

AR202.3 Building cavities.

Building framing cavities shall not be used as supply ducts.

 

 

 

AR203.3 Mechanical system piping insulation.

Mechanical system piping capable of carrying fluids above 105°F (41°C) or below 55°F (13°C) shall be insulated to a minimum of R-3.

 

AR203.4 Circulating hot water systems.

All circulating service hot water piping shall be insulated to at least R-2. Circulating hot water systems shall include an automatic or readily accessible manual switch that can turn off the hot-water circulating pump when the system is not in use.

 

AR203.5 Mechanical ventilation.

Outdoor air intakes and exhausts shall have automatic or gravity dampers that close when the ventilation system is not operating.

 

AR203.6 Equipment sizing.

Heating and cooling equipment shall be sized in accordance with Section M1401.3 of the International Residential Code.

 

AR203.7 Systems serving multiple dwelling units.

Systems serving multiple dwelling units shall comply with Sections 503 and 504 in lieu of Section 403.

 

AR203.8 Snow melt system controls.

Snow- and ice-melting systems, supplied through energy service to the building, shall include automatic controls capable of shutting off the system when the pavement temperature is above 50°F and no precipitation is falling and an automatic or manual control that will allow shutoff when the outdoor temperature is above 40°F.

 

AR203.9 Pools.

Pools shall be provided with energy-conserving measures in accordance with Sections 403.9.1 through 403.9.3.

 

AR203.9.1 Pool heaters.

All pool heaters shall be equipped with a readily accessible on-off switch to allow shutting off the heater without adjusting the thermostat setting. Pool heaters fired by natural gas shall not have continuously burning pilot lights.

 

AR203.9.2 Time switches.

Time switches that can automatically turn off and on heaters and pumps according to a preset schedule shall be installed on swimming pool heaters and pumps.

 

Exceptions:

 

1.         Where public health standards require 24-hour pump operation.

 

2.         Where pumps are required to operate solar- and waste-heat-recovery pool heating systems.

 

 

AR203.9.3 Pool covers.

Heated pools shall be equipped with a vapor-retardant pool cover on or at the water surface. Pools heated to more than 90°F (32°C) shall have a pool cover with a minimum insulation value of R-12.

 

Exception: Pools deriving over 60 percent of the energy for heating from site-recovered energy or solar energy source.

 

SECTION AR300 ELECTRICAL POWER AND LIGHTING SYSTEMS.

 

AR301 Lighting equipment.

A minimum of 50 percent of the lamps in permanently installed lighting fixtures shall be high-efficacy lamps.

 

SECTION 3. If any section, clause, sentence, or phrase of this ordinance is found to be unconstitutional or is otherwise held invalid by any court of competent jurisdiction, it shall not affect the validity of any remaining parts of this ordinance. 

 

SECTION 4.  After adoption and publication as provided by law, this ordinance shall be in full force and effect, commencing July 1, 2013.

 

ADOPTED by the Governing Body of the City of Lawrence, Kansas, this ____ day of ________, 2013.

 

 APPROVED:

 

 

___________________________________

Robert J. Schumm

Mayor

ATTEST:

 

 

__________________________________

Jonathan M. Douglass

City Clerk

 

APPROVED AS TO FORM AND LEGALITY:                   

 

 

__________________________________

Toni R. Wheeler

City Attorney

 

 

*****

NOTICE TO PUBLISHER

 

Publish one time and return one Proof of Publication to the City Clerk and one to the City Attorney.