Chapter 14.09

INTERNATIONAL RESIDENTIAL CODE

Sections:
14.09.010 International Residential Code, 2009 Edition, adopted by reference, generally.
14.09.020 Purpose of the International Residential Code.
14.09.040 Amendments to certain provisions of the International Residential Code.
14.09.070 Penalties for violations of the International Residential Code.

14.09.010 International Residential Code, 2009 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, 2009 Edition, including Appendices E, G and H as amended, is adopted by reference, subject to the deletions, amendments and additions contained herein. (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-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.
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.
14.09.040 Amendments to certain provisions of the International Residential Code.
Certain provisions of the International Residential Code, as indicated herein, are 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 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.
The occupancy of these dwelling structures shall be classified as Group R3.  Accessory buildings shall be classified as Group U.
Elevators, hoistways and vertical transportation installed within one- and two-family dwellings and townhouses shall comply with the requirements of the International Building Code.
3. Section R103 is deleted.
4. 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, playhouses and similar uses, provided the floor area does not exceed 120 square feet (11.15 m2).
2.  Retaining walls not exceeding 30 inches (762mm) 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 (762 mm) 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 (610mm) deep.
7.  Window awnings supported by an exterior wall of Group R-3 occupancies when projecting not more than 54 inches (1372 mm) from the exterior wall and not requiring additional support.
8.  Shutters, screen doors, storm doors, storm 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.  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.
5. Subsection R105.2.3 is deleted.
6.  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)

Footnotes remain unchanged.
*Ground snow load is not reducible.
2.  Subsection R302.2 is amended by replacing the exception with the following:
Exception: A common 2-hour fire resistance-rated wall assembly tested in accordance with ASTM E119 or UL 263 is permitted for townhouses if such walls do not contain plumbing or mechanical equipment, ducts or vent in the cavity of the common wall. The wall shall be rated for fire exposure from both sides and shall extend to and be tight against exterior walls and the underside of the roof sheathing. Electrical installations shall be in accordance with the National Electrical Code. Penetrations of electrical outlet boxes shall be in accordance with Section R302.4.
3.  Subsection R302.2.4 is amended by replacing exception 5 with the following:
5.  Townhouses separated by a common 2-hour fire-resistive-rated wall as provided in Section R302.2
4.  Subsection R302.3 is amended by replacing exception 2 with the following:
2.  Wall assemblies need not extend through attic spaces when the ceiling is protected by not less than 5/8-inch Type X or equivalent gypsum board and an attic draft stop constructed as specified in Section R302.12.1 is provided above and along the wall assembly separating the dwellings. The structural framing supporting the ceiling shall also be protected by not less than 5/8-inch Type X gypsum board or equivalent.
5.  Subsection R302.5.1 is replaced with the following:
R302.5.1Opening Protection.  Openings from a private garage directly into a room used for sleeping purposes shall not be permitted. Other openings between the garage and the residence shall be equipped with a self-closing, self-latching solid wood door not less than 1- 3/8 inch in thickness, solid or honeycomb core steel doors not less than 1-3/8 inch in thickness, or a 20 minute fire-resistance-rated door assembly.
6.  Subsection R310.5 is replaced with the following:
R310.5 Emergency escape windows under decks, porches, cantilevers, and similar. Emergency escape windows are allowed to be installed under decks, porches, and cantilevers provided the location of the deck, porch or cantilever allows the emergency escape window to be fully opened and provides a path, not less than 36 inches in height and width measured from the top of the window well or the top of the window, whichever is higher.  Egress shall be to a yard or court.
7. Section R313 is deleted.
8. Section R315 is replaced with the following:
R315.1 Carbon monoxide alarms.  For new construction, an approved carbon monoxide alarm complying with UL 2034 shall be installed within 15 feet of the entrance to each sleeping room in dwelling units where fuel fired appliances are installed within dwelling units, and in dwelling units with attached garages. Devices may be hard-wired, unswitched plug-in, or battery-powered units. A complying combination smoke and carbon monoxide alarm is acceptable provided the alarm tones for smoke and carbon monoxide are different.
R315.2 Where required in existing dwellings. Where work requiring a permit occurs in existing dwellings units that have attached garages, or where fuel-fired appliances exist or are added within dwelling units, carbon monoxide alarms shall be added as required for new construction in accordance with Section R315.1.
Exception: Work involving exterior surfaces of dwellings such as the replacement of roofing, siding, windows or doors, the addition of a porch or deck, or the construction of non-habitable accessory structures, are exempt from the requirements of Section R315.
C. The provisions of Chapter 9 shall include the following amendments:
1.  A new subsection R905.2.8.5 is added to read as follows:
R905.2.8.5 Drip Edge. Drip edge shall be provided at eaves and gables of shingle roofs. Overlap shall be a minimum of 2 inches. Eave drip edge shall be installed under the underlayment. Rake drip edge shall be installed over the underlayment. All drip edge shall extend a minimum of 0.25 inch below the sheathing and extend back on the roof a minimum of 2 inches. Drip edge shall be mechanically fastened at a maximum of 12 inches on center.
2. Subsection R907.3 is replaced with the following:
R907.3 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.
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 M1502.4.4.2 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 P2603.6.1 is replaced with the following:
P2603.6.1 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 amendments:
1.  Subsection P2717.2 is replaced with the following:
P2717.2 Domestic dishwashing machines. Domestic dishwashing machines shall discharge through an air gap or air break into a standpipe, waste receptor, wye-branch fitting on the tailpiece of the kitchen sink, or the dishwasher connection of a food waste grinder.
2.  Subsection P2717.3 is deleted.
3.  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 31 shall include the following amendment:
1.  Subsection P3105.1 is amended by deleting the exception.
K. 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.
L. The provisions of Part VIII, Chapters 34 through 43 are replaced with the National Electrical Code.
M. The provisions of Appendix E shall include the following amendment:
1.  Subsection AE304.3.3 is deleted.
N. The provisions of Appendix H shall include the following amendments:
1.  Section AH102 is replaced with the following:
Patio covers. Open one-story structures not exceeding 12 feet in height.
Enclosed patio. Patio enclosure walls shall be permitted to be of any configuration, provided the open or glazed area of the longer wall and one additional wall is equal to 65 percent of the area below 6 foot-8 inches of each wall, measured from the floor.  Openings shall be permitted to be covered with (1) insect screening, (2) approved translucent or transparent plastic not more than 0.125 inch in thickness, (3) glass conforming to the provisions of Section R308, (4) any combination of the foregoing, (5) any similar material or covering at the discretion of the Building Official.
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 AH106.1 is replaced with the following:
AH106.1 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. (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 punishable by a fine of not more than one thousand dollars or by imprisonment for not more than three hundred sixty-five days or by both such fine and imprisonment. 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-2011-10 § 9, 2011; Ord. O-2006-17 § 7, 2006; Ord. O-2003-20 § 7, 2003).

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