ORDINANCE NO. 8584

AN ORDINANCE OF THE CITY OF LAWRENCE, KANSAS REPEALING ARTICLE 3 OF CHAPTER V OF THE CODE OF THE CITY OF LAWRENCE, KANSAS, 2009 EDITION, AND AMENDMENTS THERETO; AND ADOPTING THE INTERNATIONAL RESIDENTIAL CODE, 2009 EDITION, AND EXCEPTING, AMENDING, AND MODIFYING CERTAIN OF ITS PROVISIONS.

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

Section 1.  Article 3 of Chapter V of the Code of the City of Lawrence, Kansas, 2009 Edition, and amendments thereto, is hereby repealed.

Section 2.  Article 3 of Chapter V of the Code of the City of Lawrence, Kansas, 2009 Edition, and amendments thereto, is hereby enacted to read as follows, the intent being to supersede the current provisions:

ARTICLE 3. RESIDENTIAL CODE

5-301    RESIDENTIAL CODE INCORPORATED.

The International Residential Code, 2009 Edition, published by the International Code Council, is hereby adopted by reference as if it were fully set out in this article, except for those portions that are hereinafter deleted, modified or amended.

5-302    SAME.

Not less than one (1) copy of the International Residential Code, 2009 Edition, marked or stamped in the manner provided by K.S.A. 12-3010, with all sections or portions thereof intended to be omitted clearly marked and showing portions that are amended and to which shall be attached a copy of amendments, shall be filed with the City Clerk and shall be open to inspection and available to the public at reasonable business hours. Official copies of such Code shall be supplied at the cost of the City to the officials and agencies in the manner listed and set forth in K.S.A.12-3010. Subsequent references to the "International Residential Code" shall mean the International Residential Code, 2009 Edition as adopted herein.

5-303    SEVERABILITY.

If any section, clause, sentence, or phrase of this Article 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 Article.

5-304    AMENDMENTS MADE TO THE INTERNATIONAL RESIDENTIAL CODE.

The International Residential Code, 2009 Edition is amended or changed as provided below. The amendment of any section shall not serve to amend or repeal any other discretely numbered provision of the code, whether or not such provision is considered a section or subsection, unless that section or subsection is specifically referenced in the ordinance.

5-304.1 AE100 Appendix E of the International Residential Code is hereby specifically adopted.

5-304.2 AF100 Appendix F of the International Residential Code is hereby specifically adopted.

5-304.3 AG100 Appendix G of the International Residential Code is hereby specifically adopted.

5-304.4 AJ100 Appendix J of the International Residential Code is hereby specifically adopted.

5-304.5 AM100 Appendix M of the International Residential Code is hereby specifically adopted.

5-305    Chapter 1 of the International Residential Code is hereby deleted.

5-306    Section R301.2 of the International Residential Code and the indicated subsections are hereby amended to read as follows:

R301.2  Climatic and geographic design criteria. Buildings shall be constructed in accordance with the provisions of this code as limited by the provisions of this section. Additional criteria shall be established by the local jurisdiction and set forth in Table R301.2(1).

R301.2.1 Wind limitations. Buildings and portions thereof shall be limited by wind speed, as defined in Table R301.2(1) and construction methods in accordance with this code. Basic wind speeds shall be determined from Figure R301.2(4). Where different construction methods and structural materials are used for various portions of a building, the applicable requirements of this section for each portion shall apply. Where loads for wall coverings, curtain walls, roof coverings, exterior windows, skylights, garage doors and exterior doors are not otherwise specified, the loads listed in Table R301.2(2) adjusted for height and exposure using Table R301.2(3) shall be used to determine design load performance requirements for wall coverings, curtain walls, roof coverings, exterior windows, skylights, garage doors and exterior doors. Asphalt shingles shall be designed for wind speeds in accordance with Section R905.2.6.

R301.2.1.1 Design criteria. In regions where the basic wind speeds from Figure R301.2(4) equal or exceed 100 miles per hour (45 m/s) in hurricane-prone regions, or 110 miles per hour (49 m/s) elsewhere, the design of buildings shall be in accordance with one of the following methods.  The elements of design not addressed by those documents in Items A through D shall be in accordance with this code.

(A) American Forest and Paper Association (AF&PA) Wood Frame Construction Manual for One- and Two-Family Dwellings (WFCM); or

(B) International Code Council (ICC) Standard for Residential Construction in High Wind Regions (ICC-600); or

(C) Minimum Design Loads for Buildings and Other Structures (ASCE-7); or

(D) American Iron and Steel Institute (AISI), Standard for Cold-Formed Steel Framing—Prescriptive Method for One- and Two-Family Dwellings (AISI S230)

(E) Concrete construction shall be designed in accordance with the provisions of this Code.

(F) Structural insulated panel (SIP) walls shall be designed in accordance with the provisions of this code.

TABLE R301.2(1)

CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA

Ground Snow Load	WIND DESIGN		Seismic Design Category^f	SUBJECT TO DAMAGE FROM			Winter Design Temp^e	Ice Barrier Underlayment Required^h	Flood Hazards^g	Air Freezing Index^i	Mean Annual Temp^j
	Speed^d (mph)	Topographic effects^k		Weathering^a	Frost line depth^b	Termite^c
20 lbs	90	No	A	Severe	30”	Moderate to Heavy	4	No	Ordinance No. 7594	778 F Days	56.3

For SI: 1 pound per square foot = 0.0479 kPa, 1 mile per hour = 0.447 m/s.

a. Weathering may require a higher strength concrete or grade of masonry than necessary to satisfy the structural requirements of this code. The weathering column shall be filled in with the weathering index (i.e., “negligible,” “moderate” or “severe”) for concrete as determined from the Weathering Probability Map [Figure R301.2(3)]. The grade of masonry units shall be determined from ASTM C 34, C 55, C 62, C 73, C 90, C 129, C 145, C 216 or C 652.

b. The frost line depth may require deeper footings than indicated in Figure R403.1(1). The jurisdiction shall fill in the frost line depth column with the minimum depth of footing below finish grade.

c. The jurisdiction shall fill in this part of the table to indicate the need for protection depending on whether there has been a history of local subterranean termite damage.

d. The jurisdiction shall fill in this part of the table with the wind speed from the basic wind speed map [Figure R301.2(4)] Wind exposure category shall be determined on a site specific basis in accordance with Section R301.2.1.4.

e. The outdoor design dry-bulb temperature shall be selected from the columns of 97½- percent values for winter from Appendix D of the International Plumbing Code. Deviations from the Appendix D temperatures shall be permitted to reflect local climates or local weather experience as determined by the building official.

f. The jurisdiction shall fill in this part of the table with the seismic design category determined from Section R301.2.2.1.

g. The jurisdiction shall fill in this part of the table with (a) the date of the jurisdiction’s entry into the National Flood Insurance Program (date of adoption of the first code or ordinance for management of flood hazard areas), (b) the date(s) of the currently effective FIRM and FBFM, or other flood hazard map adopted by the community, as may be amended.

h. In accordance with Sections R905.2.7.1, R905.4.3.1, R905.5.3.1, R905.6.3.1, R905.7.3.1 and R905.8.3.1, where there has been a history of local damage from the effects of ice damming, the jurisdiction shall fill in this part of the table with “YES”. Otherwise, the jurisdiction shall fill in this part of the table with “NO”.

i. The jurisdiction shall fill in this part of the table with the 100-year return period air freezing index (BF-days) from Figure R403.3(2) or from the 100-year (99%) value on the National Climatic Data Center data table “Air Freezing Index- USA Method (Base 32°Fahrenheit)” at www.ncdc.noaa.gov/fpsf.html.

j. The jurisdiction shall fill in this part of the table with the mean annual temperature from the National Climatic Data Center data table “Air Freezing Index-USA Method (Base 32°Fahrenheit)” at www.ncdc.noaa.gov/fpsf.html.

k. In accordance with Section R301.2.1.5, where there is local  historical data documenting structural damage to buildings due to topographic wind speed-up effects, the jurisdiction shall fill in this part of the table with “YES.” Otherwise, the jurisdiction shall indicate “NO” in this part of the table.

5-307    Section R310.1 of the International Residential Code and the indicated subsections are hereby amended to read as follows:

R310.1 Emergency escape and rescue required.

Basements, habitable attics and every sleeping room shall have at least one operable emergency 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) above the floor. Where a door opening having a threshold below the adjacent ground elevation serves as an emergency escape and rescue opening and is provided with a bulkhead enclosure, the bulkhead enclosure shall comply with Section R310.3. The net clear opening dimensions required by this section shall be obtained by the normal operation of the 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.

Exception: Basements used only to house mechanical equipment and not exceeding total floor area of 200 square feet (18.58 m²).

R310.1.1 Minimum opening area. All emergency escape and rescue openings shall have a minimum clear opening of 5.7 square feet (0.530 m2).

Exception: Grade floor openings shall have a minimum net clear opening of 5 square feet (0.465 m2).

R310.1.2 Minimum opening height. The minimum net clear opening height shall be 24 inches (610 mm).

R310.1.3 Minimum opening width. The minimum net clear opening width shall be 20 inches (508 mm).

R310.1.4 Operational constraints. Emergency escape and rescue openings shall be operational from the inside of the room without the use of keys, tools or special knowledge.

R310.1.5 Existing Dwelling Units. Existing dwelling units or dwelling units under construction, prior to the adoption date of this code, will be required to install an operable window or door for emergency escape or rescue complying with this section of the Code when the finished area of the basement is fifty percent or more of the total square footage of the basement area, or when sleeping room(s) are located within the basement.

5-308    Section R313 of the International Residential Code and the indicated subsections are hereby amended to read as follows:

R313.1 Townhouse automatic fire sprinkler systems.

An automatic residential fire sprinkler system shall be installed in townhouses.

Exception: An automatic residential fire sprinkler system shall not be required when additions or alterations are made to existing townhouses that do not have an automatic residential fire sprinkler system installed.

R313.2 One- and two-family dwellings automatic fire systems.

Effective January 1, 2011, 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.

R313.2.1 Design and installation.

Automatic residential fire sprinkler systems shall be designed and installed in accordance with Section P2904 or NFPA 13D.

5-309    Table N1102.1 of the International Residential Code is hereby amended to read as follows:

TABLE N1102.1

INSULATION AND FENESTRATION REQUIREMENTS BY COMPONENT^a

CLIMATE ZONE	FENESTRATION U-FACTOR	SKYLIGHT^b U-FACTOR	GLAZED FENSTRATION SHGC	CEILING R-VALUE	WOOD FRAMED WALL R-VALUE	MASS WALL R-VALUES^k	FLOOR R-VALUE	BASEMENT^c WALL R-VALUE	SLAB^d,l  R-VALUE    AND DEPTH	CRAWL SPACE^c WALL  R-VALUE
1	1.2	0.75	0.35^j	30	13	3/4	13	0	0	0
2	0.65^i	0.75	0.35^j	30	13	4/6	13	0	0	0
3	0.50^i	0.65	0.35^e,j	30	13	5/8	19	5/13^f	0	5/13
4 except Marine	0.35	0.60	NR	38	13	5/10	19	10/13	10, 2 ft	10/13
5 and Marine 4	0.35	0.60	NR	38	20 or 13+5^gh	13/17	30^f	10/13	10, 2 ft	10/13
6	0.35	0.60	NR	49	20 or 13+5^gh	15/19	30^g	10/13	10, 4 ft	10/13
7 and 8	0.35	0.60	NR	49	21	19/21	30^g	10/13	10, 4 ft	10/13

1. R-values are minimums, U-factors and solar heat gain coefficient (SHGC) are maximums. R-19 batts compressed in to nominal 2 x 6 framing cavity such that the R-value is reduced by R-1 or more shall be marked with the compressed batt R0-value in addition to the full thickness R-value.
2. The fenestration U-factor column excludes skylights.  The SHGC column applies to all glazed fenestration.
3. The first R-value applies to continuous insulation, the second to framing cavity insulation; either insulation meets the requirement.
4. 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.
5. There are no SHGC requirements in the Marine Zone.
6. Basement wall insulation is not required in warm-humid locations as defined by Figure N1101.2 and Table N1101.2.
7. Or insulation sufficient to fill the framing cavity, R-19 minimum.
8. “13+5” means R-13 cavity insulation plus R-5 insulated sheathing. If structural sheathing covers 25% or less of the exterior, R-5 sheathing is not required where structural sheathing is used. If structural sheathing covers more than 25% of exterior, structural sheathing shall be supplemented with insulated sheathing  of at least R-2.
9. For impact-rated fenestration complying with Section R301.2.1.2, the maximum U-factor shall be 0.75 in zone 2 and 0.65 in zone 3.
10. For impact-resistant fenestration complying with Section R301.2.1.2 of the International Residential Code, the maximum SHGC shall be 0.40.
11. The second R-value applies when more than half the insulation is on the interior.
12. Slab edge insulation may be eliminated for slab on grade floors when heating systems efficiency rating is 90% or better.

5-310    Section N1102.2.7 of the International Residential Code is hereby amended to read as follows: (Ord. 8368)

N1102.2.7 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 3 feet (914mm) below grade or the basement floor, whichever is less.

5-311    Section N1103.9 of the International Residential Code is is herby amended to read as follows:

N1103.9 HVAC 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 demonstrate that the combined efficiency of the specified components meets the requirements herein.

5-312    Section M1307.3 of the International Residential Code and the indicated subsections are 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 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.

M1307.3.1 Protection from impact. Appliances shall not be installed in a location subject to vehicle damage except where protected by approved barriers.

5-313    Section M1401.3 of the International Residential Code is hereby amended to read as follows:

M1401.3 Sizing. Heating and cooling equipment 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 with each new building permit application submitted to the department having jurisdiction and shall include the following:

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

2. A drawing of each duct system including the size and length of each duct trunk, branch and CFM of each duct branch run,

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

4. Be submitted with every new one and two family dwelling and any addition that will change the heating and cooling load of the dwelling.

Exception: Duct design shall be submitted prior to rough-in inspection.

5-314    Section M1601.1.2 of the International Residential Code and indicated subsections are hereby amended to read as follows:

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.

5-315    SECTION G2406.2 (303.3) of the 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). 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). The bedroom shall meet the required volume criteria of Section G2407.5.

3.  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.

4.  Unvented appliances may be installed in rooms other than those listed above provided at least one carbon monoxide detector is installed in the dwelling unit.

5-316    G2417.4.1 of the 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 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.

5-317    Section P2713 of the International Residential Code is hereby amended to read as follows:

P2713.1 Bathtub waste outlets and overflows. Bathtubs shall have outlets and overflows at least 1½ inches (38 mm) in diameter, and the waste outlet shall be equipped with an approved stopper.

P2713.2 Bathtub enclosures. Doors within a bathtub enclosure shall conform to ASME A112.19.15.

P2713.3 Bathtub and whirlpool bathtub valves. The hot water supplied to bathtubs and whirlpool bathtubs shall be limited to a maximum temperature of 120°F (49°C) by a water temperature-limiting device that conforms to ASSE 1070, except where such protection is otherwise provided by a combination tub/shower valve in accordance with Section P2708.3.

P2713.4 Prohibited location. In no case shall tubs be installed head to head.

5-318    Table P2905.4 of the International Residential Code is hereby amended to read as follows:

TABLE 2905.4

WATER SERVICE PIPE

MATERIAL	STANDARD
Acrylonitrile butadiene styrene (ABS) plastic pipe	ASTM D 1527; ASTM D 2282
Asbestos-cement pipe	ASTM C 296
Brass pipe	ASTM B 43
Chlorinated polyvinyl chloride (CPVC) plastic pipe	ASTM D 2846; ASTM F 441; ASTM F 442; CSA B137.6
Copper or copper-alloy pipe	ASTM B 42; ASTM B 302
Copper or copper-alloy tubing (Type K, WK, L, WL, M or WM)	ASTM B 75; ASTM B 88; ASTM B 251; ASTM B 447
Cross-linked polyethylene/aluminum/cross-linked polyethylene (PEX-AL-PEX) pipe	ASTM F 1281; ASTM F 2262; CSA B137.10M
Cross-linked polyethylene/aluminum/high-density polyethylene (PEX-AL-HDPE)	ASTM F 1986
Cross-linked polyethylene (PEX) plastic tubing	ASTM F 876; ASTM F 877; CSA B137.5
Ductile iron water pipe	AWWA C151; AWWA C115
Galvanized steel pipe	ASTM A 53
Polyethylene/aluminum/polyethylene (PE-AL-PE) pipe^a	ASTM F 1282; CSA CAN/CSA-B137.9M
Polyethylene (PE) plastic pipe^a	ASTM D 2104; ASTM D 2239; CSA-B137.1
Polyethylene (PE) plastic tubing^a	ASTM D 2737; CSA B137.1
Polypropylene (PP) plastic pipe or tubing	ASTM F 2389; CSA B137.11
Polyvinyl chloride (PVC) plastic pipe	ASTM D 1785; ASTM D 2241; ASTM D 2672; CSA B137.3
Stainless steel (Type 304/304L) pipe	ASTM A 312; ASTM A 778
Stainless steel (Type 316/316L)pipe	ASTM A 312; ASTM A 778

1. Limited to the retrofitting of an existing lawn irrigation system, which was installed prior to August 1, 1992.

5-319    Table 2905.5 of the International Residential Code is hereby amended to read as follows:

TABLE 2905.5

WATER DISTRIBUTION PIPE

MATERIAL	STANDARD
Brass pipe	ASTM B 43
Chlorinated polyvinyl chloride (CPVC) plastic pipe and tubing	ASTM D 2846; ASTM F 441; ASTM F 442; CSA B137.6
Copper or copper-alloy pipe	ASTM B 42; ASTM B 302
Copper or copper-alloy tubing (Type K, WK, L, WL, M or WM)	ASTM B 75; ASTM B 88; ASTM B 251; ASTM B 447
Cross-linked polyethylene (PEX) plastic tubing	ASTM F 876; ASTM F 877; CSA B 137.5
Cross-linked polyethylene/aluminum/cross-linked polyethylene (PEX-AL-PEX) pipe	ASTM F 1281; ASTM F 2262; CSA B137.10M
Cross-linked polyethylene/aluminum/high-density polyethylene (PEX-AL-HDPE)	ASTM F 1986
Galvanized steel pipe	ASTM A 53
Polyethylene/aluminum/polyethylene (PE-AL-PE) composite pipe	ASTM F 1282
Polypropylene (PP) plastic pipe or tubing	ASTM F 2389; CSA B137.11
Stainless steel (Type 304/304L) pipe	ASTM A 312; ASTM A 778

5-320    Section P3005.2.7 of the 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. The cleanout shall be either inside or outside the building wall provided that it is and shall be brought up to the finished 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 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.

5-321    Section P3005.4.2 of the 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.

5-322    Section P3113 of the International Residential Code and indicated subsections are hereby amended to read as follows:

P3113.1 Size of vents.

The minimum required diameter of individual vents, branch vents, circuit vents, vent stacks and stack vents shall be at least one-half the required diameter of the drain served. The required size of the drain shall be determined in accordance with Chapter 30. Vent pipes shall be not less than 11/4 inches (32 mm) in diameter. Vents exceeding 40 feet (12 192 mm) in developed length shall be increased by one nominal pipe size for the entire developed length of the vent pipe.

P3113.2 Developed length.

The developed length of individual, branch, and circuit vents shall be measured from the farthest point of vent connection to the drainage system, to the point of connection to the vent stack, stack vent or termination outside of the building.

P3113.3 Branch vents.

Where branch vents are connected to a common branch vent, the common branch vent shall be sized in accordance with this section, based on the size of the common horizontal drainage branch that is or would be required to serve the total drainage fixture unit (dfu) load being vented.

P3113.4 Sump vents.

Sump vent sizes shall be determined in accordance with Sections P3113.4.1 and P3113.4.2.

P3113.4.1 Sewage pumps and sewage ejectors other than pneumatic.

Drainage piping below sewer level shall be vented in a manner similar to that of a gravity system. Building sump vent sizes for sumps with sewage pumps or sewage ejectors, other than pneumatic, shall be determined in accordance with Table P3113.4.1.

P3113.4.2 Pneumatic sewage ejectors.

The air pressure relief pipe from a pneumatic sewage ejector shall be connected to an independent vent stack terminating as required for vent extensions through the roof. The relief pipe shall be sized to relieve air pressure inside the ejector to atmospheric pressure, but shall not be less than 11/4 inches (32 mm) in size.

P3113.5 Total 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). 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), provided the aggregate cross-sectional area of all vents is not less than that of the largest required common building sewer.

5-323    Section P3114 of the International Residential Code and indicated subsections are hereby amended to read as follows:

P3114.1 General. Vent systems using air admittance valves shall comply with this section. Individual and branch-type air admittance valves shall conform to ASSE 1051. Stack-type air admittance valves shall conform to ASSE 1050.

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 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.

P3114.4 Location. Individual and branch air admittance valves shall be located a minimum of 4 inches (102 mm) above the horizontal branch drain or fixture drain being vented. Stack-type air admittance valves shall be located a minimum of 6 inches (152 mm) above the flood level rim of the highest fixture being vented. The air admittance valve shall be located within the maximum developed length permitted for the vent. The air admittance valve shall be installed a minimum of 6 inches (152 mm) above insulation materials where installed in attics.

P3114.5 Access and ventilation. Access shall be provided to all air admittance valves . The valve shall be located within a ventilated space that allows air to enter the valve.

P3114.6 Size. The air admittance valve shall be rated for the size of the vent to which the valve is connected.

P3114.7 Vent required. Within each plumbing system, a minimum of one stack vent or a vent stack shall extend outdoors to the open air.

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 3114.

5-324    Section P3201.2 of the 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.

5-325    Section E3601.6 of the International Residential Code and indicated subsections are hereby amended to read as follows:

E3601.6 Service disconnect required.

Means shall be provided to disconnect all conductors in a building or other structure from the service entrance conductors.

E3601.6.1 Marking of service equipment and disconnects.

Service disconnects shall be permanently marked as a service disconnect. Service equipment shall be listed for the purpose. Individual meter socket enclosures shall not be considered service equipment.

E3601.6.2 Service disconnect location.

The service disconnecting means shall be limited to a distance not to exceed 6 feet from the point of penetration of the service entrance raceway into the structure installed at a readily accessible location either outside of a building or inside nearest the point of entrance of the service conductors. Service disconnecting means shall not be installed in bathrooms. Each occupant shall have access to the disconnect serving the dwelling unit in which they reside.

5-326    Section E3604.5 of the International Residential Code is hereby amended to read as follows:

E3604.5 Service masts as supports.

Where a service mast is used for the support of service-drop conductors, it shall be a galvanized rigid conduit with a minimum trade size diameter of two inches of adequate strength or be supported by braces or guys to withstand the strain imposed by the service drop. Where the service mast projects above the roof surface in excess of 3 feet the mast shall be supported by braces or guys to withstand safety the strain iposed by the service drop. Where raceway-type service masts are used, all equipment shall be approved. Only power service drop conductors shall be permitted to be attached to a service mast.

5-327    Section E3609.3 of the International Residential Code is hereby amended to read as follows:

E3609.3 Bonding for other systems.

An intersystem bonding termination for connecting intersystem bonding and grounding conductors required for other systems shall be provided external to enclosures at the service equipment and at the disconnecting means for any additional buildings or structures. The intersystem bonding termination shall be accessible for connection and inspection. The intersystem bonding termination shall have the capacity for connection of not less than three intersystem bonding conductors. The intersystem bonding termination device shall not interfere with the opening of a service or metering equipment enclosure. The intersystem bonding termination shall be one of the following:

1. A set of terminals securely mounted to the meter enclosure and electrically connected to the meter enclosure. The terminals shall be listed as grounding and bonding equipment.

2. A bonding bar near the service equipment enclosure, meter enclosure, or raceway for service conductors. The bonding bar shall be connected with a minimum 6 AWG copper conductor to an equipment grounding conductor(s) in the service equipment enclosure, to a meter enclosure, or to an exposed nonflexible metallic raceway.

3. A bonding bar near the grounding electrode conductor. The bonding bar shall be connected to the grounding electrode conductor with a minimum 6 AWG copper conductor.

5-328    Section E3611.2 of the 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.

(A) 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.

5-329    Section E3702.3 of the International Residential Code is hereby amended to read as follows:

E3702.3 Fifteen- and 20-ampere branch circuits.

A 15- or 20-ampere branch circuit shall be permitted to supply lighting units, or other utilization equipment, or a combination of both. The rating of any one cord-and-plug-connected utilization equipment not fastened in place shall not exceed 80 percent of the branch-circuit ampere rating. The total rating of utilization equipment fastened in place, other than luminaires, shall not exceed 50 percent of the branch-circuit ampere rating where lighting units, cord-and-plug-connected utilization equipment not fastened in place, or both, are also supplied.

(A) Sump pumps shall be served by an individual branch circuit. The circuit and its single receptacle outlet shall be in addition to any other outlets required by E3703.

5-330    Section E3801.4 of the International Residential Code is hereby amended to read as follows:

E3801.4 Wiring method applications.

Wiring methods shall be applied in accordance with Table E3801.4.

TABLE E3801.4

ALLOWABLE APPLICATONS FOR WIRING METHODS^{a,b,c,d,e,f,g,h,I,j,k}

ALLOWABLE APPLICATIONS (application allowed where marked with an “A”)

AC

EMT

ENT

FMC

IMC RMC RNC

LFC^a

MC

NM

SR

SE

UF

USE

Services

-

A

A^h

A^i

A

A^i

A

-

-

A

-

A

Feeders

A

A

A

A

A

A

A

A

-

A^b

A

A^b

Branch circuits

A

A

A

A

A

A

A

A

A

A^c

A

-

Inside a building

A

A

A

A

A

A

A

A

A

A

A

-

Wet locations exposed to sunlight

-

A

A^h

-

A

A

A

-

-

A

A^e

A^e

Damp locations

-

A

A

A^d

A

A

A

-

-

A

A

A

Embedded in noncinder concrete in dry location

-

A

A

-

A

A^j

-

-

-

-

-

-

In noncinder concrete in contact with grade

-

A^f

A

-

A^f

A^j

-

-

-

-

-

-

Embedded in plaster not exposed to dampness

A

A

A

A

A

A

A

-

-

A

A

-

Embedded in masonry

-

A

A

-

A^f

A

A

-

-

-

-

-

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

-

A^f

A

A^d

A^f

A

A

-

-

A

A

-

Fished in masonry voids

A

-

-

A

-

A

A

A

-

A

A

-

In masonry voids and cells not exposed to dampness

A

A

A

A

A

A

A

A

-

A

A

-

Run exposed

A

A

A

A

A

A

A

A

A

A

A

-

Run exposed and subject to physical damage

-

-

-

-

A^g

-

-

-

-

-

-

-

For direct burial

-

A^f

-

-

A^f

A

A^f

-

-

-

A

A

For SI: 1 foot = 304.8 mm.

1. Liquid-tight flexible nonmetallic conduit without integral reinforcement within the conduit wall shall not exceed 6 feet in length.
2. 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.
3. The grounded conductor shall be insulated.
4. Conductors shall be a type approved for wet locations and the installation shall prevent water from entering other raceways.
5. Shall be listed as "Sunlight Resistant."
6. Metal raceways shall be protected from corrosion and approved for the application. Aluminum RMC requires approved supplementary corrosion protection.
7. RNC shall be Schedule 80.
8. Shall be listed as "Sunlight Resistant" where exposed to the direct rays of the sun.
9. Conduit shall not exceed 6 feet in length.
10. 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.
11. In wet locations under any of the following conditions:
1. The metallic covering is impervious to moisture.
2. A lead sheath or moisture-impervious jacket is provided under the metal covering.
3. 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.

5-331    Section E3901.4 of the 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 (see Figure E3901.4). Where a range, counter-mounted cooking unit, or sink is installed in an island or peninsular countertop and the width of the countertop behind the range, counter-mounted cooking unit, or sink is less than 12 inches (305 mm), the range, counter-mounted cooking unit, or sink has divided the 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.

5-332    Section E3901.7 of the International Residential Code is hereby amended to read as follows:

E3901.7 Outdoor outlets.

At least one receptacle outlet that is accessible while standing at grade level and located not more than 6 feet, 6 inches (1981 mm) above grade, shall be installed outdoors at the front and back of each dwelling unit having direct access to grade. Balconies, decks, and porches that are accessible from inside of the dwelling unit and that have a usable area of 20 square feet (1.86 m2) or greater shall have at least one receptacle outlet installed within the perimeter of the balcony, deck, or porch. The receptacle shall be located not more than 6 feet, 6 inches (1981 mm) above the balcony, deck, or porch surface.

5-333    Section E3901.9 of the International Residential Code is hereby amended to read as follows:

E3901.9 Basements and garages.

At least one receptacle outlet, in addition to any provided for specific equipment, shall be installed in each basement and in each attached garage, and in each detached garage that is provided with electrical power. Where a portion of the basement is finished into one or more habitable room(s), each separate unfinished portion shall have a receptacle outlet installed in accordance with this section.

(A) 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.

5-334    Section E3902.4 of the 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.

5-335    Section E3902.5 of the 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.

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

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.

5-336    Section E3902.11 of the International Residential Code is hereby amended to read as follows:

E3902.11 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 typelisted arc-fault circuit interrupter installed to provide protection of the branch circuit.

Exception:

1. Where a combinationlisted 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 such outlet shall be wired with metal outlet and junction boxes and RMC, IMC, EMT or steel armored cable, Type AC meeting the requirements of Section E3908.8.

2. AFCI protection is not required for a 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 armored cable Type AC meeting the requirements of Section E3908.8.

5-337    Section AF102.1 of the International Residential Code is hereby amended to read as follows:

AF102.1 General.

For the purpose of these requirements, the terms used shall be defined as follows:

SUBSLAB DEPRESSURIZATION SYSTEM (Passive). A system designed to achieve lower sub-slab air pressure relative to indoor air pressure by use of a vent pipe routed through the conditioned space of a building and connecting the sub-slab area with outdoor air, thereby relying on the convective flow of air upward in the vent to draw air from beneath the slab.

SUBSLAB DEPRESSURIZATION SYSTEM (Active). A system designed to achieve lower sub-slab air pressure relative to indoor air pressure by use of a fan-powered vent drawing air from beneath the slab.

ROUGH-IN SUBSLAB DEPRESSURIZATION SYSTEM. A system complying with section AF103.2, AF103.3, AF103.5, AF103.6, AF103.7, AF103.8, AF103.9.1, AF103.10 and AF103.11.

DRAIN TILE LOOP. A continuous length of drain tile or perforated pipe extending around all or part of the internal or external perimeter of a basement or crawl space footing.

RADON GAS. A naturally-occurring, chemically inert, radioactive gas that is not detectable by human senses. As a gas, it can move readily through particles of soil and rock and can accumulate under the slabs and foundations of homes where it can easily enter into the living space through construction cracks and openings.

SOIL-GAS-RETARDER. A continuous membrane of 6-mil (0.15 mm) polyethylene or other equivalent material used to retard the flow of soil gases into a building.

SUBMEMBRANE DEPRESSURIZATION SYSTEM. A system designed to achieve lower-sub-membrane air pressure relative to crawl space air pressure by use of a vent drawing air from beneath the soil-gas-retarder membrane.

5-338    Section AF103.1 of the International Residential Code is hereby amended to read as follows:

AF103.1 General.

The following construction techniques are intended to resist radon entry and prepare the building for post-construction radon mitigation, if necessary (see Figure AF102). These techniques are required in areas where designated by the jurisdiction.

Exception: The installation of a rough-in subslab depressurization system as defined in section AF102.1 shall be permitted.

5-339    Section AF103.9 of the International Residential Code is hereby amended to read as follows:

AF103.9 Vent pipe identification.

All exposed and visible interior radon vent pipes shall be identified with at least one label on each floor and in accessible attics . The label shall read: "Radon Reduction System."

AF103.9.1 Rough-in subslab depressurization system pipe identification. All exposed and visibile interior radon vent pipes installed as part of a rough-in subslab depressurization system as defined in section AF102.1 shall be identified with at least one label on each floor and in accessible attics.  The label shall read: “This vent pipe is part of a rough-in for a radon reduction system.  This system is not currently operational. This is not part of the plumbing system.”

Section 3. SEVERABILITY.

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.  This Ordinance shall take effect and be in full force on and after January 1, 2011 and upon its passage and publication as provided by law.

PASSED BY THE GOVERNING BODY OF THE CITY OF LAWRENCE, KANSAS this___ day of , 2010. 

                                                                        Approved:

                                                                        Mike Amyx, Mayor

ATTEST:

Jonathan M. Douglass, City Clerk

APPROVED AS TO FORM AND LEGALITY:

_______________________________________

Toni Ramirez Wheeler

Director of Legal Services