R156-56-712. Local Amendments to the IRC.  


Latest version.
  • The following are adopted as amendments to the IRC to be applicable to the following jurisdictions:

    (1) City of Farmington:

    R325 Automatic Sprinkler Systems.

    (a) Sections R325.1 and R325.2 are added as follows:

    R325.1 When required. An automatic sprinkler system shall be installed throughout every dwelling in accordance with NFPA 13-D, when any of the following conditions are present:

    1. the structure is over two stories high, as defined by the building code;

    2. the nearest point of structure is more than 150 feet from the public way;

    3. the total floor area of all stories is over 5,000 square feet (excluding from the calculation the area of the basement and/or garage); or

    4. the structure is located on a street constructed after March 1, 2000 that has a gradient over 12% and, during fire department response, access to the structure will be gained by using such street. (If the access is intended to be from a direction where the steep gradient is not used, as determined by the Chief, this criteria shall not apply).

    R325.2 Installation requirements and standards. Such sprinkler system shall be installed in basements, but need not be installed in garages, under eves or in enclosed attic spaces, unless required by the Chief. Such system shall be installed in accordance with NFPA 13-D.

    (b) In Chapter 43, Referenced Standards, the following NFPA referenced standards are added as follows:


    TABLE

    ADD

    13D-02 Installation of Sprinkler Systems in

               One- and Two-family Dwellings and

               Manufactured Homes, as amended by these rules

    13R-02 Installation of Sprinkler Systems in

               Residential Occupancies Up to and

               Including Four Stories in Height

    101-03 Life Safety Code


    (c) NFPA 13D-02 is amended to add the following new sections:

    1.15 Reference to NFPA 13-D. All references to NFPA 13-D in the codes, ordinances, rules or regulations governing NFPA 13-D systems shall be read to refer to "modified NFPA 13-D" to reference the NFPA 13-D as amended by additional regulations adopted by Farmington City.

    4.6 Testing and Inspection of Systems. Testing and inspection of sprinkler systems shall include, but are not limited to:

    Residential:

    ROUGH Inspection-Verify Water Supply Piping Size and Materials, Installation of Riser, System Piping, Head Locations and all Components, Hydrostatic Pressure Test.

    FINAL Inspection-Inspectors Test Flow, System Completeness, Spare Parts, Labeling of Components and Signage, Alarm Function, Water Supply Pressure Verification.

    5.2.2.3 Exposed Piping of Metal. Exposed Sprinkler Piping material in rooms of dwellings shall be of Metal.

    EXCEPTIONS:

    a. CPVC Piping is allowed in unfinished mechanical and storage rooms only when specifically listed for the application as installed.

    b. CPVC Piping is allowed in finished, occupied rooms used for sports courts or similar uses only when the ceiling/floor framing above is constructed entirely of non-combustible materials, such as a concrete garage floor on metal decking.

    5.2.2.4 Water Supply Piping Material. Water Supply Piping from where the water line enters the dwelling adjacent to and inside the foundation to the fire sprinkler contractor point-of-connection shall be metal, suitable for potable plumbing systems. See Section 7.1.4 for valve prohibition in such piping. Piping down stream from the point-of-connection used in the fire sprinkler system, including the riser, shall conform to NFPA 13-D standards.

    5.4 Fire Pump Disconnect Signs. When installing a Fire Pump, Red Plastic Laminate Signs shall be installed in the electrical service panel, if the pump is wired separately from the main disconnect. These signs shall state: "Fire Pump Disconnect ONLY" and "Main Breaker DOES NOT Shut Off Fire Pump".

    7.1.4 Valve Prohibition. NFPA 13-d, Section 7.1 is hereby modified such that NO VALVE is permitted from the City Water Meter to the Fire Sprinkler Riser Control.

    7.6.1 Mandatory Exterior Alarm. Every dwelling that has a fire sprinkler system shall have an exterior alarm, installed in an approved location. The alarm shall be of the combination horn/strobe or electric bell/strobe type, approved for outdoor use.

    8.1.05 Plan Preparation Identification. All plans for fire sprinkler systems, except for manufacturer's cut sheets of equipment, shall include the full name of the person who prepared the drawings. When the drawings are prepared by a registered professional engineer, the engineer's signature shall also be included.

    8.7 Verification of Water Supply:

    8.7.1 Fire Flow Tests: Fire Flow Tests for verification of Water Supply shall be conducted and witnesses for all applications other than residential, unless directed otherwise by the Chief. For residential Water Supply, verification shall be determined by administrative procedure.

    8.7.2 Accurate and Verifiable Criteria. The design calculations and criteria shall include an accurate and verifiable Water Supply.

    (2) Morgan City Corp:

    In Section R105.2 Work Exempt From Permit, the following is added:

    10. Structures intended to house farm animals, or for the storage of feed associated with said farm animals when all the following criteria is met:

    a. The parcel of property involved is zoned for the keeping of farm animals or has grand fathered animal rights.

    b. The structure is setback not less than 50 feet from the rear or side of dwellings, and not less than 10 feet from property lines and other structures.

    c. The structure does not exceed 1000 square feet of floor area, and is limited to 20 feet in height. Height is measured from the average grade to the highest point of the structure.

    d. Before construction, a site plan is submitted to, and approved by the building official.

    Electrical, plumbing, and mechanical permits shall be required when that work is included in the structure.

    (3) Morgan County:

    In Section R105.2 Work Exempt From Permit, the following is added:

    10. Structures intended to house farm animals, or for the storage of feed associated with said farm animals when all the following criteria is met:

    a. The parcel of property involved is zoned for the keeping of farm animals or has grand fathered animal rights.

    b. The structure is set back not less than required by the Morgan County Zoning Ordinance for such structures, but not less than 10 feet from property lines and other structures.

    c. The structure does not exceed 1000 square feet of floor area, and is limited to 20 feet in height. Height is measured from the average grade to the highest point of the structure.

    d. Before construction, a Land Use Permit must be applied for, and approved, by the Morgan County Planning and Zoning Department.

    Electrical, plumbing, and mechanical permits shall be required when that work is included in the structure.

    (4) City of North Salt Lake:

    Sections R325.1 and R325.2 are added as follows:

    R325.1 When Required. An automatic sprinkler system shall be installed throughout every dwelling when the following condition is present:

    1. The structure is over 6,200 square feet.

    R325.2 Installation requirements and standards. Such sprinkler system shall be installed in basements, but need not be installed in garages, under eves, or in enclosed attic spaces, unless required by the fire chief. Such system shall be installed in accordance with NFPA 13-D.

    (5) Park City Corporation:

    Appendix P is adopted.

    (6) Park City Corporation and Park City Fire District:

    (a) Section R905.7 is deleted and replaced with the following:

    R905.7 Wood shingles. The installation of wood shingles shall comply with the provisions of this section.

    Wood roof covering is prohibited in areas with a combined rating of more than 11 using the following tables with a score of 9 for weather factors.


    TABLE

    WILDFIRE HAZARD SEVERITY SCALE


         RATING SLOPE VEGETATION

           1 less than or equal to 10% Pinion-juniper

           2 10.1 - 20% Grass-sagebrush

           3 greater than 20% Mountain brush or softwoods



    PROHIBITION/EXEMPTION TABLE

         RATING WOOD ROOF PROHIBITION

         less than or equal to 11 wood roofs are allowed

         greater than or equal to 12 wood roofs are prohibited


    (b) Section R905.8 is deleted and replaced with the following:

    R905.8 Wood Shakes. The installation of wood shakes shall comply with the provisions of this section. Wood roof covering is prohibited in areas with a combined rating of more than 11 using the following tables with a score of 9 for weather factors.


    TABLE

    WILDFIRE HAZARD SEVERITY SCALE


         RATING SLOPE VEGETATION

           1 less than or equal to 10% Pinion-juniper

           2 10.1 - 20% Grass-sagebrush

           3 greater than 20% Mountain brush or softwoods



    PROHIBITION/EXEMPTION TABLE


         RATING WOOD ROOF PROHIBITION

         less than or equal to 11 wood roofs are allowed

         greater than or equal to 12 wood roofs are prohibited


    (c) Appendix K is adopted.

    (7) Sandy City

    A new Section R325 is added to the IRC as follows:

    Section R325 IGNITION RESISTANT CONSTRUCTION

    R325.1 General. Buildings and structures constructed in areas designated as Wildland-Urban Interface Areas by Sandy City shall be constructed using ignition resistant construction as determined by the Fire Marshal. Section 502 of the 2006 International Wildland-Urban Interface Code (IWUIC), as promulgated by the International Code Council, shall be used to determine Fire Hazard Severity. The provisions listed in Chapter 5 of the 2006 IWUIC, as modified herein, shall be used to determine the requirements for Ignition Resistant Construction.

    (i) In Section 504 of the IWUIC Class I IGNITION-RESISTANT CONSTRUCTION a new Section 504.1.1 is added as follows:

    504.1.1 General. Subsections 504.5, 504.6, and 504.7 shall only be required on the exposure side of the structure, as determined by the Fire Marshal, where defensible space is less than 50 feet as defined in Section 603 of the 2006 IWUIC.

    (ii) In Section 505 of the IWUIC Class 2 IGNITION-RESISTANT CONSTRUCTION Subsections 505.5 and 505.7 are deleted.