4-3-2: AMENDMENTS TO CODE:
The following amendments, deletions, additions, and modifications are hereby made to the Inverness residential building code as adopted in section 4-3-1 of this chapter:
The following chapters of the IRC are not adopted and are hereby deleted in their entirety:
Chapter 11,    Energy;
Chapter 25,    Plumbing Administration;
Chapter 26,    General Plumbing Requirements;
Chapter 27,    Plumbing Fixtures;
Chapter 28,    Water Heaters;
Chapter 29,    Water Supply And Distribution;
Chapter 30,    Sanitary Drainage;
Chapter 31,    Vents;
Chapter 32,    Traps;
Chapter 33,    General Requirements;
Chapter 34,    Electrical Definitions;
Chapter 35,    Services;
Chapter 36,    Branch Circuits And Feeder Requirements;
Chapter 37,    Wiring Methods;
Chapter 38,    Power And Lighting Distribution;
Chapter 39,    Devices And Luminaries;
Chapter 40,    Appliance Installation;
Chapter 41,    Swimming Pools;
Chapter 42,    Class 2 Remote-Control Signaling;
Appendix E,    Manufactured Housing Used As Dwellings;
Appendix G,    Swimming Pools, Spas And Hot Tubs;
Appendix H,    Patio Covers;
Appendix I,    Private Sewage Disposal;
Appendix J,    Existing Buildings And Structures;
Appendix K,    Sound Transmission; and
Appendix L,    International Residential Code Electrical Provisions/NEC Cross Reference.
Section R101.1 shall be and is hereby amended to read as follows:
R101.1 Title. These provisions shall be known as the "Inverness residential building code".
(Ord. 06-822, 3-14-2006)
Section R101.2 shall be and is hereby amended to read as follows and the "exception" which was previously part thereof is deleted:
R101.2 Scope. The provisions of the Inverness residential building code 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 multiple single-family dwellings (townhouses) not more than two stories (plus any mezzanine or habitable attic authorized by this code) in height with a separate means of egress and their accessory structures. In addition, the provisions of the Inverness residential building code shall not apply to manufactured housing which is hereby prohibited.
(Ord. 2011-906, 2-8-2011)
Section R102.7 shall be and is hereby amended to read as follows:
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 is specifically covered in this code, the international property maintenance code (2003), which is hereby adopted, or the international fire code (2003), which is also hereby adopted, or as is deemed necessary by the building official for the general safety and welfare of the occupants and the public, provided, however, section 903.2.7 of the international fire code (2003) shall be amended to provide as follows:
"903.2.7 Group R. An automatic sprinkler system installed in accordance with section 903.3 shall be provided throughout all buildings with a group R fire area, provided, however, that this requirement shall not be applicable to R-3 residential occupancies as defined in said fire code, except where and in the manner that automatic sprinkler systems are otherwise required by this village code."
Section R103 is hereby deleted in its entirety and the following shall be and hereby is substituted therefor:
R103. Building Department; Creation Of Enforcement Agency. The village of Inverness building department is hereby created and the official in charge thereof shall be known as the building official.
Section R104.10.1 is hereby deleted in its entirety.
Section R105 is hereby deleted in its entirety.
Section R106.1.3 is hereby deleted in its entirety.
Section R106.3.3 is hereby deleted in its entirety.
Section R109.1.3 is hereby deleted in its entirety.
Section R109.3 shall be and is hereby amended to read as follows:
R109.3 Requests For Inspections: It shall be the duty of the permit holder or their agent to notify the building official that such work is ready for inspection. Requests for inspections by the building official or the village engineer or any other village officer or employee as required by this code shall be made at least two (2) working days in advance. It shall be the duty of the person requesting any inspections required by this code to provide access to and means for inspection of such work.
The exception found in section R110.1 is hereby deleted in its entirety.
Section R110.4 is hereby deleted in its entirety.
Section R111 is amended by adding a new section R111.4 which shall read as follows:
R111.4 Building Demolition. Before a building or structure is demolished or removed, the owner or agent shall cause all utility providers to disconnect and sever their respective service connections to the premises.
Section R112 is hereby deleted in its entirety.
(Ord. 06-822, 3-14-2006)
Section R202 shall be and is hereby amended to add the following definitions in alphabetical order:
   ATTIC, HABITABLE: A finished area, not considered a story, complying with all of the following requirements:
      1.   All habitable areas and spaces shall have emergency escape and rescue provisions per section R310, whether or not said areas and spaces are used for sleeping.
      2.   Any and all emergency escape and rescue provisions shall face and be clearly visible from the public street.
      3.   The maximum sill height of said emergency escape and rescue provisions shall not exceed 24 feet above the immediate finished grade below, and shall be no more than 2 feet back from roof eave below.
      4.   The total limits of space finished within the attic shall be not more than 1/3 of the finished space of the floor immediately under the attic.
      5.   The entire residence shall be equipped with a full functioning operable fire sprinkling system meeting NFPA standard no. 13, 13D, or 13R as applicable together with a backup electrical supply sufficient to power system pumping equipment.
   (Ord. 2011-906, 2-8-2011)
   BUILDING AREA. The area included within the surrounding exterior walls (or exterior walls and fire walls) exclusive of vent shafts and courts. Areas of the building not provided with surrounding walls shall be included in the building area if such areas are included within the horizontal projection of the roof or floor above.
   FIRE WALL. Fire walls shall be constructed of masonry with a UL fire rated design of at least 2 hours. Fire walls shall extend from the foundation to a termination point at least 30 inches above the roof or to the underside of the roof sheathing if the roof sheathing is constructed of fire-retardant-treated wood for a distance of 4 feet on both sides of the wall. Each portion of a building separated by one or more fire walls shall be considered a separate building.
Section R202 shall be and is also hereby amended by the amendment of the definition of "accessory structure" which shall read as follows:
   ACCESSORY STRUCTURE. A detached building or structure, the use of which is incidental to that of the main building and which is located on the same lot. It shall be unlawful to build any accessory structure before the main building is built on the subject property, and no building permit shall be issued for same, before the main building is built on the subject property, and no accessory structure shall be used as a separate residence. Notwithstanding any provision contained in this title to the contrary, no accessory building or structure shall require a building permit unless it exceeds one hundred fifty (150) square feet in ground area or has plumbing, gas, or electric service installed therein and connected thereto but any such accessory building or structure shall otherwise comply with the requirements of this title.
(Ord. 06-822, 3-14-2006)
Section R202 shall be and is hereby amended by the amendment of the definition of "mezzanine, loft", which shall hereafter read as follows:
   MEZZANINE, LOFT. An intermediate level or levels between the floor and ceiling of any story with an aggregate floor area of not more than one-third (1/3) of the area of the room or space in which the level or levels are located and which shall be open and unobstructed to the room in which such mezzanine or loft is located except for walls not more than 42 inches (1,067 mm) high, columns, and posts.
(Ord. 08-876, 10-14-2008, eff. 11-1-2008)
Section R202 shall be and is also hereby amended by the amendment of the definition of "townhouse" which shall read as follows:
   TOWNHOUSE. A single-family dwelling unit constructed in a group of two or more attached dwelling units in which each dwelling unit extends from foundation to roof and with open space on at least two sides.
Table R301.2 (1) is hereby amended to read as follows:
a. Ground snow load:
 
30 pounds per square foot
b. Wind speed:
 
90 mph
c. Seismic design category:
 
Design category B
d. Weathering:
 
Severe
e. Frost line depth:
 
42 inches below grade
f. Termite:
 
Moderate to heavy
g. Decay:
 
Slight to moderate
h. Winter design temperature:
 
0°F
i. Ice shield underlayment required:
 
Yes
j. Flood hazards:
 
Official flood prone map, as revised on January 31, 1984, FIRM, effective on November 6, 2000
k. Air freezing index:
 
2000
l. Mean annual temperature:
 
50°F.
 
(Ord. 06-822, 3-14-2006)
Section R301.2.2.4.1 shall be and is hereby amended to read as follows:
R301.2.2.4.1 Building Height. Buildings shall be limited to the lesser of two stories (plus any mezzanine or habitable attic authorized by this code) with separate means of access of limits as given in table R602.10.1 and further subject to the limitations of the zoning ordinance of the village of Inverness.
(Ord. 2011-906, 2-8-2011)
Section R309.1 shall be and is hereby amended to read as follows:
R309.1 Opening Protection. Openings from a private garage directly into a room used for sleeping purposes shall not be permitted. Other openings between the garage and residence shall be equipped with solid wood doors not less than 13/4 inches in thickness, solid or honeycomb core steel doors not less than 13/4 inches thick, or 90-minute fire-rated doors. The residence shall be protected from the garage with a 6-inch (6") high concrete gas curb at the common wall.
Section R309.2 shall be and is hereby amended to read as follows:
R309.2 Separation Required. The garage shall be completely separated from the residence and its attic area by not less than 5/8-inch (16 mm) type X fire rated gypsum board or its equivalent applied to the garage side. Where the separation is a floor-ceiling assembly, the structure supporting the separation shall also be protected by not less than 5/8-inch (16 mm) type X fire rated gypsum board or its equivalent. The same material shall be installed in every furnace room.
Section R309.5 is hereby deleted in its entirety.
Section R317.2 shall be and is hereby amended to read as follows:
R317.2 Townhouses. Each townhouse shall be considered a separate building if separated by a firewall as defined in section R202. At a minimum, townhouses shall be separated by fire-resistance-rated wall assemblies meeting the requirements of R302 for exterior walls and shall, in addition, be subject to the fire suppression system requirements of section 4-1-14 of the village code.
Exception: A common 2-hour fire-resistance-rated wall is permitted for townhouses if such walls do not contain plumbing or mechanical equipment, ducts or vents in the cavity of the common wall. Electrical installations shall be installed in accordance with the Inverness electrical code. Penetrations of electrical outlet boxes shall be in accordance with section R317.3.
Section R323 is hereby deleted in its entirety.
Section R401 is hereby amended by adding a new section R401.6 which shall read as follows:
R401.6 Trenched Foundations. Trenched foundations will be allowed provided soils information prepared and certified by a soils testing laboratory approved by the village engineer is provided substantiating the use of same. Trenched foundations will be allowed only in those areas where the character of the soil is such that the trench walls will, in the opinion of the building official, remain stable and in place during the placement of the foundations, footings and walls.
Sections R402.1, R402.1.1 and R402.1.2 are hereby deleted in their entirety.
Section R403.1 shall be and is hereby amended to read as follows:
R403.1 General. All exterior walls shall be supported on continuous solid or fully grouted masonry or concrete footings, or other approved structural systems which shall be of sufficient design to accommodate all loads according to section R301 and to transmit the resulting loads to the soil within the limitations as determined from the character of the soil. Footings shall be supported on undisturbed natural soils or engineered fill.
Section R405.1 shall be and is hereby amended to read as follows:
Section R405.1 Concrete Or Masonry Foundations. Drains shall be provided around all concrete or masonry foundations that retain earth and enclose habitable or usable spaces located below grade. Drainage tiles, gravel or crushed stone drains, perforated pipe or other approved systems or materials shall be installed at or below the area to be protected and shall discharge by mechanical means into an approved drainage system. Gravel or crushed stone drains shall extend at least 1 foot (305 mm) beyond the outside edge of the footing and 6 inches (153 mm) above the top of the footing and be covered with an approved filter membrane material. The top of open joints of drain tiles shall be protected with strips of building paper, and the drainage tiles or perforated pipe shall be placed on a minimum of 2 inches (51 mm) of washed gravel or crushed rock at least one sieve size larger than the tile joint opening or perforation and covered with not less than 6 inches (153 mm) of the same material.
(Ord. 06-822, 3-14-2006)