§ 10-37. Amendments to the adopted chapters and Appendices J and K of the International Residential Code (IRC) (2018).

Additions to the International Residential Code (IRC) are shown as underlined text. Deletions of the IRC are shown as bracketed [ strikethroughs ].

Chapter 2, DEFINITIONS, is amended for AMBULATORY CARE FACILITY and SPECIAL INSPECTOR to read as follows:

[RB] ATTIC, HABITABLE. A finished or unfinished habitable space within an attic.

TABLE R301.2(1) is amended to read as follows:

TABLE R301.2(1)
CLIMATIC AND GEOGRAPHIC DESIGN CRITERIA

GROUND SNOW LOAD o	WIND DESIGN		SEISMIC DESIGN CATEGORY f	SUBJECT TO DAMAGE FROM
	Speed d (mph)	Topographic effects k		Weathering a	Frostline depth b	Termite c
5	115	NO	A	Negligible	0	Moderate To Heavy

 

WINTER DESIGN TEMP e	ICE BARRIER UNDERLAYMENT REQUIRED h	FLOOD HAZARDS g	AIR FREEZING INDEX i	MEAN ANNUAL TEMP j
30°	NO	Appendix F, UDC	16	68.7°

 

Section R308.4.2, Glazing adjacent to doors, is amended to read as follows:

R308.4.2 Glazing adjacent to doors. Glazing in an individual fixed or operable panel adjacent to a door shall be considered to be a hazardous location where the bottom exposed edge of the glazing is less than 60 inches (1524 mm) above the floor or walking surface and it meets either of the following conditions:

1.

Where the glazing is within 24 inches (610 mm) of either side of the door in the plane of the door in a closed position.

2.

Where the glazing is on a wall less than 180 degrees (3.14 rad) from the plane of the door in a closed position within 24 inches (610 mm) of the hinge side of an in-swinging door.

Exceptions:

1.

Decorative glazing.

2.

Where there is an intervening wall or other permanent barrier between the door and the glazing.

3.

Where access through the door is to a closet or storage area.[ 3 feet (914 mm) or less in depth. Glazing in this application shall comply with section R308.4.3. ]

4.

Glazing that is adjacent to the fixed panel of patio doors.

Glazing Adjacent to Doors

Section R313.2, One- and two-family dwellings automatic fire sprinkler systems, and Section R313.2.1, Design and installation, are deleted and replaced with the following:

R313.2 One- and two-family dwellings automatic fire sprinkler systems. Where automatic residential fire sprinkler systems are installed, they shall be designed and installed in accordance with Section P2904 or NFPA 13D.

[ R313.2 One and two-family dwellings automatic fire systems. An automatic residential fire sprinkler system shall 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. ]

Section R315.2.2, Alterations, repairs and additions, is amended to read as follows:

R315.2.2 Alterations, repairs and additions. Where alterations , repairs or additions requiring a building permit occur[ , ] inside of existing dwellings that have attached garages or inside of existing dwellings within which fuel-fired appliances exist, or where one or more sleeping rooms are added or created in existing dwellings , the individual dwelling unit shall be equipped with carbon monoxide alarms located as required for new dwellings .

Exceptions:

1.

Work involving the exterior surfaces of dwellings , such as the replacement of roofing or siding, or the addition or replacement of windows or doors, or the addition of a porch or deck.

2.

Installation, alteration or repairs of plumbing or mechanical systems.

Section R317.1.2, Ground contact is amended to read as follows:

R317.1.2 Ground contact. All wood in contact with the ground, embedded in concrete in direct contact with the ground or embedded in concrete exposed to the weather that supports permanent structures intended for human occupancy shall be approved pressure-preservative-treated wood suitable for ground contact use, except that untreated wood used entirely below groundwater level or continuously submerged in fresh water shall not be required to be pressure-preservative treated. Creosote-treated railroad ties will not be approved for use in retaining wall construction unless the wall is exempt from the requirement for a permit under Section 10-6(e)(4) of this chapter and the wall is located greater than 4 feet (1.22 m) from the public right-of-way.

SECTION R322, FLOOD-RESISTANT CONSTRUCTION, is hereby repealed and replaced with the City's flood plain ordinance found in Appendix F, Floodplain Areas of Special Flood Hazard, of the Unified Development Code (UDC).

Section R326, SWIMMING POOLS, SPAS AND HOT TUBS, is repealed and replaced with a new SECTION R326 to read as follows:

SECTION R326
SWIMMING POOLS, SPAS AND HOT TUBS

R326.1 General. The design and construction of swimming pools and spas shall comply with the following requirements.

R326.2 Barrier requirements. The provisions of this section shall apply to the design of barriers for restricting entry into areas having pools and spas. Where spas or hot tubs are equipped with a lockable safety cover complying with ASTM F1346 and swimming pools are equipped with a powered safety cover that complies with ASTM F1346, the areas where those spas, hot tubs or pools are located shall not be required to comply with Sections R326.3 through R326.5.

R326.3 Outdoor swimming pools and spas. Outdoor pools and spas and indoor swimming pools shall be surrounded by a barrier that complies with Sections R326.3.1 through R326.5.

R326.3.1 Barrier height and clearances. Barrier heights and clearances shall be in accordance with all of the following:

1.

The top of the barrier shall be not less than 48 inches (1219 mm) above grade where measured on the side of the barrier that faces away from the pool or spa. Such height shall exist around the entire perimeter of the barrier and for a distance of 3 feet (914 mm) measured horizontally from the outside of the required barrier.

2.

The vertical clearance between grade and the bottom of the barrier shall not exceed 2 inches (51 mm) for grade surfaces that are not solid, such as grass or gravel, where measured on the side of the barrier that faces away from the pool or spa.

3.

The vertical clearance between a surface below the barrier to a solid surface, such as concrete, and the bottom of the required barrier shall not exceed 4 inches (102 mm) where measured on the side of the required barrier that faces away from the pool or spa.

4.

Where the top of the pool or spa structure is above grade, the barrier shall be installed on grade or shall be mounted on top of the pool or spa structure. Where the barrier is mounted on the top of the pool or spa, the vertical clearance between the top of the pool or spa and the bottom of the barrier shall not exceed 4 inches (102 mm).

R326.3.2 Openings. Openings in the barrier shall not allow passage of a 4-inch-diameter (102 mm) sphere.

R326.3.3 Solid barrier surfaces. Solid barriers that do not have openings shall not contain indentations or protrusions that form handholds and footholds, except for normal construction tolerances and tooled masonry joints.

R326.3.4 Mesh fence as a barrier. Mesh fences, other than chain link fences in accordance with Section R326.3.7, shall be installed in accordance with the manufacturer's instructions and shall comply with the following:

1.

The bottom of the mesh fence shall be not more than 1 inch (25 mm) above the deck or installed surface or grade.

2.

The maximum vertical clearance from the bottom of the mesh fence and the solid surface shall not permit the fence to be lifted more than 4 inches (102 mm) from grade or decking.

3.

The fence shall be designed and constructed so that it does not allow passage of a 4-inch (102 mm) sphere under any mesh panel. The maximum vertical clearance from the bottom of the mesh fence and the solid surface shall be not greater than 4 inches (102 mm) from grade or decking.

4.

An attachment device shall attach each barrier section at a height not lower than 45 inches (1143 mm) above grade. Common attachment devices include, but are not limited to, devices that provide the security equal to or greater than that of a hook-and-eye-type latch incorporating a spring-actuated retaining lever such as a safety gate hook.

5.

Where a hinged gate is used with a mesh fence, the gate shall comply with Section R326.4.

6.

Patio deck sleeves such as vertical post receptacles that are placed inside the patio surface shall be of a nonconductive material.

R326.3.5 Closely spaced horizontal members. Where the barrier is composed of horizontal and vertical members and the distance between the tops of the horizontal members is less than 45 inches (1143 mm), the horizontal members shall be located on the pool or spa side of the fence. Spacing between vertical members shall not exceed 1 3/4 inches (44 mm) in width. Where there are decorative cutouts within vertical members, spacing within the cutouts shall not exceed 1 3/4 inches (44 mm) in width.

R326.3.6 Widely spaced horizontal members. Where the barrier is composed of horizontal and vertical members and the distance between the tops of the horizontal members is 45 inches (1143 mm) or more, spacing between vertical members shall not exceed 4 inches (102 mm). Where there are decorative cutouts within vertical members, the interior width of the cutouts shall not exceed 1 3/4 inches (44 mm).

R326.3.7 Chain link dimensions. The maximum opening formed by a chain link fence shall be not more than 1 3/4 inches (44 mm). Where the fence is provided with slats fastened at the top and bottom that reduce the openings, such openings shall be not greater than 1 3/4 inches (44 mm).

R326.3.8 Diagonal members. Where the barrier is composed of diagonal members, the maximum opening formed by the diagonal members shall be not greater than 13/4 inches (44 mm). The angle of diagonal members shall be not greater than 45 degrees (0.79 rad) from vertical.

R326.4 Gates. Access gates shall comply with the requirements of Sections R326.4.1 through R326.4.3 and shall be equipped to accommodate a locking device. Pedestrian access gates shall open outward away from the pool or Spa, shall be self-closing and shall have a self-latching device.

R326.4.1 Utility or service gates. Gates not intended for pedestrian use, such as utility or service gates, shall remain locked when not in use.

R326.4.2 Double or multiple gates. Double gates or multiple gates shall have not fewer than one leaf secured in place and the adjacent leaf shall be secured with a self-latching device. The gate and barrier shall not have openings larger than 1/2 inch (12.7 mm) within 18 inches (457 mm) of the latch release mechanism. The self-latching device shall comply with the requirements of Section R326.4.3.

R326.4.3 Latches. Where the release mechanism of the self-latching device is located less than 54 inches (1372 mm) from grade, the release mechanism shall be located on the pool or spa side of the gate not less than 3 inches (76 mm) below the top of the gate, and the gate and barrier shall not have openings greater than 1/2 inch (12. 7 mm) within 18 inches (457 mm) of the release mechanism.

R326.5 Structure wall as a barrier. Where a wall of a dwelling or structure serves as part of the barrier and where doors provide direct access to the pool or spa through that wall, one of the following shall be required:

1.

Operable doors shall have an alarm that produces an audible warning when the door or their screens are opened. The alarm shall be listed and labeled as a water hazard entrance alarm in accordance with UL 2017. In dwellings or structures not required to be Accessible units, Type A units or Type B units, the operable parts of the alarm deactivation switches shall be located 54 inches (1372 mm) or more above the finished floor. In dwellings or structures required to be Accessible units, Type A units or Type 8 units, the operable parts of the alarm deactivation switches shall be located not greater than 54 inches (1372 mm) and not less than 48 inches (1219 mm) above the finished floor.

2.

A safety cover that is listed and labeled in accordance with ASTM F1346 is installed for the pools and spas.

3.

An approved means of protection, such as self-closing doors with self-latching devices, is provided. Such means of protection shall provide a degree of protection that is not less than the protection afforded by Item 1 or 2.

Section R403.1.6, Foundation anchorage, is amended in the first paragraph only to read as follows:

R403.1.6 Foundation anchorage. Wood sill plates and wood walls that are part of the braced wall provisions of this code and supported directly on continuous foundations shall be anchored to the foundation in accordance with this section.

Section R408, UNDER-FLOOR SPACE, is amended by adding Section R408.8, Foundation Repair, to read as follows:

R408.8 Foundation Repair. A foundation repair permit and assumption of Engineer of Record letter and any construction documents must be submitted at time of application. The engineer shall inspect foundation repairs and submit a letter for the repairs. Any skirting removed, repaired or replaced along with ventilation, sub-floor access and drainage will require a final inspection by the building official or an engineer's letter for those repairs.

Section R903.4, Roof drainage, is amended by adding Sections R903.4.2, Zero lot line development, and R903.4.3, Gutters and downspouts, to read as follows:

R903.4.2 Zero lot line development. On zero lot line development where roof projections are allowed by deed covenant or ingress/egress easements, adequate gutters and downspouts shall be provided to direct roof water away from adjacent property. Roof projections shall not extend beyond a point one third the width of the easement or a maximum of 24 inches (610 mm).

R903.4.3 Gutters and downspouts. Any Group R or Group U occupancy with roof edges less than three feet (914 mm) to any property line shall be provided with gutters and downspouts to direct roof water away from adjacent property.

Section M1305.1.2, Appliances in attics, is amended by adding Section M1305.1.2.2, Access for cooling or heating appliance, to read as follows:

M1305.1.2.2 Access for cooling or heating appliance. For new one and two family residential occupancies and townhomes, the attic space in which any cooling or heating appliance is installed shall be provided with a permanent ladder, fold-away ladder or a direct access door opening from the house on the same floor level.

Section M1411.3.2, Drain pipe materials and sizes, is amended as follows:

M1411.3.2 Drain pipe materials and sizes. Components of the condensate disposal system shall be ABS, cast iron, copper, cross-linked polyethylene, CPVC, galvanized steel, PE-RT, polyethylene, polypropylene or PVC pipe or tubing. Components shall be selected for the pressure and temperature rating of the installation. Joints and connections shall be made in accordance with the materials specified in Article IX of this chapter [ applicable provisions of Chapter 30 ]. Condensate waste and drain line size shall be not less than ¾-inch (19 mm) nominal diameter from the drain pan connection to the place of condensate disposal. Where the drain pipes from more than one unit are manifolded together for condensate drainage, the pipe or tubing shall be sized in accordance with an approved method. Primary drain lines located in unconditioned spaces, except for crawl spaces, shall be insulated with foam plastic rubber based insulation or other approved material with a minimum thickness of 3/8 inch.

Section M1411.8, Locking access port caps, is amended to add an exception as follows:

M1411.8 Locking access port caps. Refrigerant circuit access ports located outdoors shall be fitted with locking-type tamper-resistant caps or shall be otherwise secured to prevent unauthorized access.

Exception: A locking-type tamper-resistant cap is not required when refrigerant circuits are located in a yard fully enclosed with a permanent barrier, fence, or combination thereof no less than 6 feet in height and obstructs unauthorized access.

Section M2005.2, Prohibited locations, is amended as follows:

M2005.2 Prohibited locations . Fuel-fired water heaters shall not be installed in a room used as a storage closet. Water heaters located in a bedroom or bathroom shall be installed in a sealed enclosure so that combustion air will not be taken from the living space. Installation of direct-vent water heaters within an enclosure is not required. Storage type water heaters shall not be installed in an attic unless accessible from a door opening from the house on the same floor level. Water heaters installed in a garage having an ignition source shall be elevated such that the source of ignition is not less than 18 inches (457 mm) above the garage floor, unless the ignition source is listed as flammable vapor ignition resistant. An electric water heater is the only type of water heater that may be installed under a stairway or landing.

(Ord. No. 2018-06-21-0493 , § 1, 6-21-18)