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Chapter 14.09 - International Residential Code

14.09.010 International Residential Code, 2015 Edition, adopted by reference, generally

Pursuant to Title 31, Article 16, 1973, C.R.S., as amended, and the Lakewood City Charter, the International Residential Code of the International Code Council, 2015 Edition, including Appendices E, F, and H as amended, hereinafter “International Residential Code,” is hereby adopted by reference, subject to the deletions, amendments and additions contained herein.
(Ord. O-2018-6 § 9, 2018; Ord. O-2012-13 § 1, 2012; Ord. O-2011-10 § 9, 2011; Ord. O-2006-17 § 7, 2006; Ord. O-2003-20 § 7, 2003; Ord. O-83-107 § 1, 1983; Ord. O-81-106 § 1, 1981). 


14.09.020 Purpose of the International Residential Code

The purpose of the International Residential Code is to adopt and enforce minimum standards to safeguard life or limb, health and public welfare for the construction and renovation of one- and two-family dwellings and townhouses. All construction shall conform to the International Residential Code set forth in or incorporated by this chapter. (Ord. O-2018-6 § 9, 2018; Ord. O-2011-10 § 9, 2011; Ord. O-2006-17 § 7, 2006; Ord. O-2003-20 § 7, 2003). 


14.09.040 Amendments to certain provisions of the International Residential Code

Certain provisions of the International Residential Code, as indicated herein, are hereby amended.
A. The provisions of Chapter 1 shall include the following amendments:
1. Subsection R101.1 is deleted.
2. Subsection R101.2 is replaced with the following:
R101.2 Scope. The provisions of the International Residential Code for one- and two-family dwellings shall apply to the construction, alteration, movement, enlargement, replacement, repair, equipment, use and occupancy, location, removal and demolition of detached one- and two-family dwellings and townhouses not more than three stories above grade plane in height with a separate means of egress, and their accessory structures.
Exceptions:
1. Live/work units located in townhouses and complying with Section 419 of the International Building Code shall be permitted to be constructed in accordance with the International Residential Code. Fire Protection must be provided per the International Building Code Subsections 419.5 and 420.5.
2. Owner-occupied lodging houses with five or fewer guestrooms shall be permitted to be constructed in accordance with the International Residential Code. Fire protection must be provided per the International Building Code Subsection 420.5.
3. Subsection R102.7 is replaced with the following:
R102.7 Existing Structures. The legal occupancy of any structure existing on the date of adoption of this code shall be permitted to continue without change, except as specifically covered in this code, the International Existing Building Code or the International Fire Code, or as is deemed necessary by the building official for the general safety and welfare of the occupants and the public.
R102.7.1 Additions, alterations or repairs. Additions, alterations or repairs to any structure shall conform to the requirements for a new structure without requiring the existing structure to comply with the requirement of this code, unless otherwise stated. Additions, alteration, repairs and relocations
shall not cause and existing structure to become unsafe or adversely affect the performance of the building.
4. Section R103 is deleted.
5. The portion of subsection R105.2 under the heading of “Building” is replaced with the following:
Building:
1. One-story detached accessory structures used as tool and storage sheds, pergolas, playhouses and similar uses, provided the floor area does not exceed 200 square feet.
2. Retaining walls not exceeding 30 inches in height, measuring from grade to top of the wall unless supporting a surcharge.
3. Water tanks supported directly upon grade if the capacity does not exceed 5000 gallons and the ratio of height to diameter or width does not exceed 2:1.
4. Private sidewalks and driveways not more than 30 inches above grade and not over any basement or story below.
5. Painting, paper, and similar finish work.
6. Prefabricated swimming pools that are less than 24 inches deep.
7. Window awnings supported by an exterior wall of Group R-3 occupancies when projecting not more than 54 inches from the exterior wall and not requiring additional support.
8. Shutters, windows, gutters, doors and other minor cosmetic additions not affecting the structure.
9. Swings and other playground equipment accessory to a one or two family dwelling or townhouse.
10. Roof covering repairs of less than 100 square feet unless the repair requires removal of mechanical or electrical equipment.
11. Decks not over 200 square feet in area that are not more than 30 inches above grade at any point, are not structurally attached to the dwelling, do not serve the required exit door and are not installed over a required emergency escape and rescue opening.
12. Any unforeseen emergency situation whereby the lack of immediate corrective action creates a substantial risk to life, property, health or welfare. Any registered contractor who starts or completes work under this exemption shall obtain the appropriate permit the next business day. Failure to obtain such required permit may be cause for suspension or revocation of the contractor's registration and the permit fee may be doubled.
6. Subsection R105.2.3 is deleted.
7. A new subsection 106.1.5 is added to read as follows:
R106.1.5 Construction or Demolition Waste Management Plan. For all new buildings, additions, or remodels with a total interior space over 2,500 square feet, or for developments with multiple buildings with a combined total interior space over 5,000 square feet, a construction waste management plan that demonstrates all recyclable concrete, asphalt, untreated wood, metal, and cardboard materials will be donated, reused, or recycled, is required at the time of application for a building permit. In the case of any building demolition, a demolition waste management plan that demonstrates all recyclable concrete, asphalt, and metal materials will be donated, reused, or recycled, and where possible, all remaining materials, such as doors, windows, cabinets, and fixtures, will be recycled, is required at the time of application for a demolition permit. The waste management plan shall be conspicuously posted on the construction site and labeled containers shall be provided at the construction-site for use in capturing recyclable material. Evidence of compliance with the waste management plan, such as hauler or recycle center receipts, shall be provided before a Certificate of Occupancy is issued, or in the case of demolition, before a final inspection is completed.
8. Section R108 is replaced with the following:
Fees. Fees and valuation for permits required by this code shall be as specified in Section 14.01.060 of the Lakewood Building Code.
B. The provisions of Chapter 3 shall include the following amendments:
1. Table R301.2 (1) is replaced with the following:
Table R301.2 (1)
Footnote d is replaced with the following:
d. The City of Lakewood is located in a “Special Wind Region.” Design wind speed for the City of Lakewood is established as 100 mph Vasd and 130 Vult, 3-second gust for all structures east of the 10,000 West block and 120 Vasd and 155 Vult for all other structures in all other locations.
*Ground snow load is not reducible.
2. Subsection R302.2 is replaced with the following:
R302.2 Townhouses. A common 2-hour fire-resistance-rated wall assembly tested in accordance with ASTM E 119 or UL 263 shall be provided. The cavity of the common wall shall not contain plumbing or mechanical equipment, ducts or vents. The wall shall be rated for fire exposure from both sides and shall extend to and be tight against exterior walls and the underside of the roof sheathing. Penetrations of electrical outlet boxes shall be in accordance with Section R302.4. Fire walls shall be constructed in accordance with Section 706 of the International Building Code.
3. Subsection R302.4 is amended by deleting exception 5.
4. Subsection R309.5 is replaced with the following:
R309.5 Electric Vehicle Charging: Newly constructed one- or two-family dwellings and townhouses with a dedicated attached or detached garage shall facilitate future installation and use of electric vehicle chargers. For each dwelling unit, a 208/240-volt individual branch circuit or a listed raceway to accommodate a future individual branch circuit shall be installed. The raceway shall not be less than trade size 1 (nominal 1-inch inside diameter). The raceway shall originate at the main service or subpanel and shall terminate into a listed cabinet, box or other enclosure in close proximity to the proposed location of the electric vehicle charger. Raceways are required to be continuous at enclosed, inaccessible or concealed areas and spaces. The service panel or subpanel circuit directory shall provide capacity to install a 40-ampere minimum dedicated branch circuit and space(s) reserved to permit installation of a branch circuit overcurrent device. Electrical vehicle supply equipment shall be installed in accordance with NFPA 70.
Exception: Additions and alterations to existing one- or two-family dwellings and townhomes constructed per the International Residential Code are exempt from this requirement.
R309.5.1 Identification. The service panel or subpanel circuit directory shall identify the overcurrent protective device space(s) reserved for future electrical vehicle charging as “EV CAPABLE”. The raceway termination location shall be permanently and visibly marked as “EV CAPABLE”.
5. Section R313 is deleted.
6. Subsection R315.3 is replaced with the following:
R315.3 Location. Carbon monoxide alarms in dwellings shall be installed outside of each separate sleeping area within fifteen feet of the entrance of each sleeping area/room. Where a fuel burning appliance is located within a sleeping area or its attached bathroom, a carbon monoxide alarm shall be installed within the sleeping area.
C. The provisions of Chapter 9 shall include the following amendments:
1. Subsection R905.2.8.3 is replaced with the following:
R905.2.8.3 Sidewall flashing. Base flashing against a vertical sidewall shall be step flashing and shall be not less than 4 inches in height and 4 inches in width and shall direct water away from the vertical sidewall onto the roof or into the gutter. Where siding is provided on the vertical sidewall, the vertical leg of the flashing shall be continuous under the siding. Where anchored masonry veneer is provided on the vertical sidewall, the base flashing shall be provided in accordance with this section and counterflashing shall be provided in accordance with Section R703.8.2.2. Where exterior plaster or adhered masonry veneer is provided on the
vertical sidewall, the base flashing shall be provided in accordance with this section and Section R703.6.3.
2. Subsection R908.3.1 is replaced with the following:
R908.3.1 Recovering versus replacement. New roof coverings shall not be installed without first removing all existing layers of roof coverings down to the roof deck.
Exceptions:
1. Complete and separate roofing systems, such as standing-seam metal roof systems, that are designed to transmit the roof loads directly to the building’s structural system and that do not rely on existing roofs and roof coverings for support, shall not require the removal of existing roof coverings.
2. Metal panel, metal shingle and concrete and clay tile roof coverings shall be permitted to be installed over existing wood shake roofs when applied in accordance with Section R907.4.
3. The application of a new protective coating over an existing spray polyurethane foam roofing system shall be permitted without tear-off of existing roof coverings.
3. Subsection 908.3.1.1 is deleted.
D. The provisions of Chapter 10 shall include the following amendment:
1. Subsection R1004.4 is replaced with the following:
R1004.4 Unvented gas log heaters. Unvented gas log heaters are prohibited.
E. The provisions of Chapter 11 are replaced with the International Energy Conservation Code.
F. The provisions of Chapter 15 shall include the following amendment:
1. Subsection M1502.4.5.2 is deleted.
G. The provisions of Chapter 24 are replaced with the International Fuel Gas
Code.
H. The provisions of Chapter 26 shall include the following amendment:
1. Subsection P2603.5.1 is replaced with the following:
P2603.5.1 Sewer Depth. Building sewers that connect to private sewage disposal systems shall be a minimum of 12 inches below finished grade at the point of septic tank connection. Building sewers shall be a minimum of 12 inches below finished grade.
I. The provisions of Chapter 27 shall include the following amendment:
1. A new subsection P2719.2 is added to read as follows:
P2719.2 Floor drains in structural wood floors. Floor drains installed in structural wood floors shall be full bodied drains with a minimum diameter of 6 inches at the strainer or shall be listed floor sinks.
J. The provisions of Chapter 29 shall include the following amendment:
1. Subsection P2904 is deleted.
K. The provisions of Chapter 31 shall include the following amendment:
1. Subsection P3105.1 is amended by deleting the exception.
L. The provisions of Chapter 32 shall include the following amendment:
1. Table 3201.7 is amended by changing the minimum size of a trap for a shower with a total flow rating of 5.7 gpm or less from 1 ½ inches to 2 inches.
M. The provisions of Part VIII, Chapters 34 through 43 are replaced with the National Electrical Code.
N. The provisions of Appendix E shall include the following amendments:
1. Subsection AE201.1 Manufactured Home definition is replaced with
the following:
Manufactured Home. Any pre-constructed building unit or combination of pre-constructed building units, without motive power, where such unit or units are manufactured in a factory or at a location other than the residential site of the completed home, which is designed and commonly used for the occupancy by persons for residential purposes, in either temporary or permanent locations and which unit or units are not licensed as a vehicle. Manufactured Homes include, Manufactured Homes built to the HUD standards, and factory- built housing units built to the building code standards adopted by State of Colorado Department of Housing.
2. Subsection AE201.1 the following definition is added:
Mobile Homes. (Units Constructed in or before 1976) A pre-HUD home built to the ANSI A-119.1 standard. Such mobile homes may be unlabeled, or for Colorado homes built between 1971 and 1976, possess a State of Colorado Mobile Home Certification label.
3. Subsection AE304.3.3 is deleted.
O. The provisions of Appendix F shall include the following amendments: -
1. Section AF101 is replaced with the following:
AF101.1 General. This appendix contains radon control requirements for new construction in the City of Lakewood.
2. Subsection AF103.4 is replaced with the following:
AF103.4 Subfloor preparation for basements or enclosed crawl spaces with concrete floors and slab on grade dwellings:
A layer of gas-permeable material shall be placed under those portions of concrete slabs or subfloors that are (a) within the walls of living spaces and directly contact the ground and (b) where either new fill material is placed to create a new sub-grade or trenches are used for underground plumbing or depressurization pipes. The gas-permeable layer shall consist of one of the following:
1. A uniform layer of clean aggregate, a minimum of 4 inches thick. The aggregate shall consist of material that will pass through a 2- inch sieve and be retained by a ¼-inch sieve.
2. A uniform layer of sand (native or fill), a minimum of 4 inches thick, overlain by a layer or strips of geotextile drainage matting designed to allow the lateral flow of soil gases.
3. Other materials, systems or floor designs with demonstrated capability to permit depressurization across the entire sub-floor area.
3. Subsection AF103.4.1 is deleted.
4. Subsection AF103.4.2 is deleted.
5. Figure AF102 is amended by adding a footnote to read as follows:
a. The polyethylene sheeting shown in the figure is not required below concrete slabs in basements. The polyethylene sheeting is required in all crawl spaces and shall meet the requirements of Section 103.5.2.
P. The provisions of Appendix H shall include the following amendments:
1. A new subsection AH103.3 is added to read as follows:
AH103.3 Enclosed Patios. Conditioned, enclosed patios shall be considered a room addition and shall be constructed as required by Chapters 1 through 33 of this code.
2. Subsection AH105.2 is replaced with the following:
AH 105.2 General. Patio covers shall be supported on piers or other approved foundation systems that extend below frost depth as defined in Table R301.2(1). Enclosed patios as defined in AH102 shall be supported on a continuous foundation system extending below frost depth as defined in Table R301.2(1). Walls shall not be supported on a slab or shallow-depth foundation.
3. Subsection AH106 is deleted.
(Ord. O-2018-6 § 9, 2018; Ord. O-2012-13 §§ 2, 3, 2012; Ord. O-2011-10 § 9, 2011; Ord. O-2006-17 § 7, 2006; Ord. O-2003-20 § 7, 2003). 

 


14.09.070 Penalties for violations for the International Residential Code
A. Any person who violates any of the provisions of the code adopted by this chapter or fails to comply therewith, or who violates or fails to comply with any order made thereunder, or who builds in violation of any detailed statement of specifications or plans submitted and approved thereunder or any certificate or permit issued thereunder, and from which no appeal has been taken, or who fails to comply with such an order, as affirmed or modified by the Board of Appeals or by a court of competent jurisdiction, within the time fixed in this chapter, shall severally for each and every violation and noncompliance respectively, be subject to the penalties set forth in Section 1.16.020. The imposition of one penalty for any violation shall not excuse the violation or permit it to continue, and all such persons shall be required to correct or remedy such violations or deficits within a reasonable time, and when not otherwise specified, each day that prohibited conditions are maintained shall constitute a separate offense.
B. The application of the above penalty shall not be held to prevent the enforced removal of prohibited conditions.
(Ord. O-2018-6 § 9, 2018; Ord. O-2017-16 § 19, 2017; Ord. O-2011-10 § 9, 2011; Ord. O-2006-17 § 7, 2006; Ord. O-2003-20 § 7, 2003).

Table R301.2 (1)