(A) Adoption.
(1) The International Residential Code, 2018 Edition, as published by the International Code Council, 4051 West Flossmoor Road, Country Club Hills, IL 60478, Chapters 1 through 43, inclusive, and Appendix Chapters F, G, H and L (IRC), is hereby adopted by reference as the Town Residential Building Code, as if fully set out in this chapter with the additions deletions insertions and changes as follows.
(2) Appendices are:
(a) F - Radon Control Methods;
(b) G - Piping Standards; and
(c) H - Patio Covers.
(B) Compliance required. No residential building shall be hereafter constructed, erected, enlarged, altered or moved into the town unless the same shall, as to design, construction, quality of materials and workmanship, conform with the IRC, as adopted and as amended.
(C) Purpose. The purpose of the IRC is to provide minimum standards to safeguard life or limb, health, property and public welfare by regulating and controlling the design, construction, quality of materials, use and occupancy, location and maintenance of all one- and two-family dwellings and multiple single-family dwellings (town houses) not more than three stories in height with a separate means of egress within the town and certain equipment specifically regulated in the IRC.
(D) Amendments. Additions, deletions, amendments and changes to the IRC, as adopted by reference, pursuant to division (A) above, are hereby adopted as follows.
(1) IRC R101.1 (Title) is amended by the addition of the term “TOWN OF WIGGINS” where indicated.
(2) IRC R105.1 (Required) is amended by replacing the words “building official” with “Town”.
(3) IRC R105.2 (Work Exempt from permit) is amended by deleting or adding the following:
Building
i. Exception #1 is deleted and replaced with: “One-Story detached accessory structures used as tool and storage sheds, playhouses, greenhouses and similar uses, provided the floor area does not exceed 120 square feet and the roof height does not exceed 10 feet above grade measured from a point directly outside the exterior walls of the structure and the structure is not on a permanent slab foundation.”
ii. Exception #2 (Fences) is deleted in its entirety.
iii. Exception #3 (Retaining walls) is deleted and replaced with: “Retaining walls that are not over 4 feet (1219 mm) in height measured from the bottom of the footing to the top of the wall and are not less than 12 inches from a public sidewalk, unless supporting a surcharge.”
iv. Exception #4 (Water tanks) is deleted in its entirety.
v. Exception #5 (Sidewalks & driveways) is deleted in its entirety and replaced with:
“New sidewalks and driveways require a permit. Replacement of driveways and sidewalks are exempt from building permits.”
vi. Exception #10 is deleted and replaced with: “Shingle repair or replacement work not exceeding one hundred (100) square feet in area of covering per building.”
vii. Exception #11 (Concrete slabs) is added to read as follows: “Concrete form and pours that are not attached to a building or structure and are not for the construction of decks, awnings, pergolas, gazebos or any other types of decking or porch structures. Driveways do not fall under this category.”
(4) IRC 105.5 (Expiration) is deleted in its entirety and replaced with:
“Every permit issued by the building official under the provisions of this code shall expire by limitation and become null and void if the building or work authorized by such permit is not commenced within 180 days from the date of such permit, or if the building or work authorized by such permit is suspended or abandoned at any time after the work is commenced for a period of 180 days. Before such work can be recommenced, a new permit shall be first obtained to do so, and the fee therefor shall be one half the amount required for a new permit for such work, provided no changes have been made or will be made in the original plans and specifications for such work, and provided further that such suspension or abandonment has not exceeded one year. In order to renew action on a permit after expiration, the permittee shall pay a new full permit fee.”
(5) IRC 106.2 (Site plan) is deleted in its entirety and replaced with:
“The construction documents submitted with the application for the permit shall be accompanied by a site plan showing the size and location of new construction and existing structures on the site, distances from lot lines and drainage of the lot based on the master drainage plan for the development. In the case of demolition, the site plan shall show construction to be demolished and the location and size of existing structures and construction that are to remain on the site or plot.”
(6) IRC R108.2 (Schedule of permit fees) is deleted in its entirety and replaced with:
“On buildings, structures, and mechanical systems or alterations requiring a permit; a fee for each permit shall be paid as required in accordance with the Town of Wiggins Schedule of Fees that is periodically updated from time to time. The determination of value or valuation under any of the provisions of this Code shall be made by the Town.”
(7) IRC R108.4 (Related fees) is amended by creating a new subsection as follows:
“Any person who commences any work on a building, structure, electrical, gas, mechanical or plumbing system before obtaining the necessary permits may be subject to an investigation fee in an amount up to the amount of the permit fee that would normally be assessed for the specific type of construction activity, with any such investigation fee being in addition to all other required permit fees. The investigation fee shall be collected whether or not a permit is then subsequently issued.”
(8) IRC R108.5 (Refunds) is amended by the deletion of this section in its entirety and replaced with the following:
i. “The town may authorize refunding of any fee paid hereunder which was erroneously paid or collected.
ii. The town may authorize refunding of not more than 80 percent (80%) of the permit fee paid when no work has been done under a permit issued in accordance with this code.
iii. The town may authorize refunding of not more than 80 percent (80%) of the plan review fee paid when an application for a permit for which a plan review fee has been paid is withdrawn or cancelled before any plan reviewing is done.
iv. The town shall not authorize refunding of any fee paid except on written application filed by the original permittee not later than 180 days after the date of fee payment.”
(9) IRC Rl08.6 (Work commencing before permit issuance) is deleted in its entirety and replaced with:
“Any person who commences any work on a building, structure, electrical, gas, mechanical or plumbing system before obtaining the necessary permits may be subject to an investigation fee in an amount up to the amount of the permit fee that would normally be accessed for the specific type of construction activity, with any such investigation fee being in addition to all other required permit fees. The investigation fee shall be collected whether or not a permit is then subsequently issued.”
(10) IRC R109.l.5 (Other inspections) is amended by the addition of a new subsection as follows:
“IRC R109.l.5.2 Insulation inspection shall be made after a completed and approved rough inspection, following the installation of the wall, ceiling and floor insulation and exterior windows and before wall coverings are installed.”
(11) IRC R112.1 (General) is amended by the deletion of the last three sentences and replaced with:
“The members of the Board of Appeals shall be comprised of the members of the Town Board of Trustees.”
(12) IRC R112.3 (Qualifications) is amended by the deletion of this section in its entirety.
(13) IRC R113.2 (Notice of violation) is amended by the addition of “Notice of Violations shall be delivered in accordance with section 107 of the IPMC” after the last paragraph.
(14) IRC 113.4 (Violation penalties) is amended by the deletion of this section and replaced with:
“Penalties for Violation. It shall be unlawful for any person, firm or corporation to erect, construct, enlarge, alter, repair, move, improve, remove, convert or demolish, equip, use, occupy or maintain any building or structure or cause or permit the same to be done in violation of the IRC. In addition to other sanctions set forth in the IRC, a person or entity that violates the IRC may be fined in an amount not to exceed the maximum fine amount permitted to be imposed by the municipal court or, as more fully set forth in § 151.99 of this code. Each day that a violation continues after due notice has been served shall be deemed a separate offense.”
(15) IRC R202 (Definitions) is amended by addition of the following:
“‘Sleeping Room’ (Bedroom) is any enclosed habitable space within a dwelling unit, which complies with the minimum room dimension requirements of IRC Sections R304 and R305 and contains a closet, an area that is useable as a closet, or an area that is readily convertible for use as a closet. Living rooms, family rooms and other similar habitable areas that are so situated and designed so as to clearly indicate these intended uses, shall not be interpreted as sleeping rooms.”
(16) IRC Table R301.2(1) is completed to provide the following:
Table R301.2(1) CLIMATIC & GEOGRAPHIC DESIGN CRITERIA |
Table R301.2(1) CLIMATIC & GEOGRAPHIC DESIGN CRITERIA | |||||||||||||
GROUND SNOW LOAD | WIND DESIGN | SEISMIC DESIGN CATE GORY | SUBJECT TO DAMAGE FROM | WINT ER DESI GN TEM P | ICE BARRI ER UNDE R- LAYM ENT REQUIRED | FLOO D HAZA RDS | AIR FREE ZING INDE X | MEAN ANNUAL TEMP | |||||
Speed (mph) | Topogr aphic effects | Special wind region | Windb orne debris zone | Weat herin g | Frost line depth | Termit s | |||||||
30spf | 115 | No | B | Sever e | 30 in | Slight to moderate | 1 | Yes | 26713 | 1000 | 43F | ||
MANUAL J DESIGN CRITERIA
| |||||||||||||
Elevation | Latitude | Winter heating | Summer cooling | Altitud e correction factor | Indoo r design tempe rature | Design temperature cooling | Heating temperature difference | ||||||
Cooling temperature difference | Wind velocity heating | Wind velocity cooling | Coincident wet bulb | Daily range | Winte r humid ity | Summer humidity | - - - - | ||||||
For SI: 1 pound per square foot=0.0479 kPa, 1 mile per hour=0.447 m/s. a. Where weathering requires a higher strength concrete or grade of masonry than necessary to satisfy the structural requirements of this code, the frost line depth strength required for weathering shall govern. The weathering column shall be filled in with the weathering index, “negligible,” “moderate” or “severe” for concrete as determined from Figure R301.2(4). The grade of masonry units shall be determined from ASTM C34, C55, C62, C73, C90, C129, C145, 216 or C652. b. Where the frost line depth requires deeper footings than indicated in Figure R403.1(1), the frost line depth strength required for weathering shall govern. The jurisdiction shall fill in the frost line depth column with the minimum depth of footing below finish grade. c. The jurisdiction shall fill in this part of the table to indicate the need for protection depending on whether there has been a history of local subterranean termite damage. d. The jurisdiction shall fill in this part of the table with the wind speed from the basic wind speed map [Figure R301.2(5)A]. Wind exposure category shall be determined on a site-specific basis in accordance with Section R301.2.l.4. e. The outdoor design dry-bulb temperature shall be selected from the columns of 971/2-percent values for winter from Appendix D of the International Plumbing Code. Deviations from the Appendix D temperatures shall be permitted to reflect local climates or local weather experience as determined by the building official. [Also see Figure R301.2(1).] f. The jurisdiction shall fill in this part of the table with the seismic design category determined from Section R301.2.2.1. g. The jurisdiction shall fill in this part of the table with (a) the date of the jurisdiction’s entry into the National Flood Insurance Program (date of adoption of the first code or ordinance for management of flood hazard areas), (b) the date(s) of the Flood Insurance Study and (c) the panel numbers and dates of the currently effective FIRMs and FBFMs or other flood hazard map adopted by the authority having jurisdiction, as amended. h. In accordance with Sections R905.1.2, R905.4.3.1, R905.5.3.1, R905.6.3.1, R905.7.3.1 and R905.8.3.1, where there has been a history of local damage from the effects of ice damming, the jurisdiction shall fill in this part of the table with “YES.” Otherwise, the jurisdiction shall fill in this part of the table with “NO.” i. The jurisdiction shall fill in this part of the table with the 100-year return period air freezing index (BF-days) from Figure R403.3(2) or from the 100-year (99 percent) value on the National Climatic Data Center data table “Air Freezing Index-USA Method (Base 32F).” j. The jurisdiction shall fill in this part of the table with the mean annual temperature from the National Climatic Data Center data table “Air Freezing Index-USA Method (Base 32F).” k. In accordance with Section R301.2.1.5, where there is local historical data documenting structural damage to buildings due to topographic wind speed-up effects, the jurisdiction shall fill in this part of the table with “YES.” Otherwise, the jurisdiction shall indicate “NO” in this part of the table. l. In accordance with Figure R301.2(5)A, where there is local historical data documenting unusual wind conditions, the jurisdiction shall fill in this part of the table with “YES” and identify any specific requirements. Otherwise, the jurisdiction shall indicate “NO” in this part of the table. m. In accordance with Section R301.2.l.2 the jurisdiction shall indicate the wind-borne debris wind zone(s). Otherwise, the jurisdiction shall indicate “NO” in this part of the table. n. The jurisdiction shall fill in these sections of the table to establish the design criteria using Table 1a or 1b from ACCA Manual J or established criteria determined by the jurisdiction. o. The jurisdiction shall fill in this section of the table using the Ground Snow Loads in Figure R301.2(6). | |||||||||||||
(17) IRC R302.l (Exterior walls) is amended by the deletion of the following wording only:
“or dwellings equipped throughout with an automatic sprinkler system installed in accordance with section P2904 shall comply with Table R302.1(2).”
(18) IRC Table R302.l(2) is deleted in its entirety.
(19) IRC R302.3 (Two-family dwelling) is amended by replacing “1-Hour fire-resistance rating” with “2-Hour fire-resistance rating” and by deleting exception #1.
(20) IRC R302.13 (Fire protection of floors) is amended by the addition of exceptions 5, 6 and 7 as follows:
i. “Exception #5 - For floor assemblies located over a basement or crawlspace, mechanical equipment rooms not larger than 80 square feet constructed per sections R302.13 with minimum 1/2-inch gypsum wallboard on the enclosing ceiling, walls and self-closing weather-stripped solid door.
ii. Exception #6 - Floor assemblies located over a basement or crawlspace, with mechanical equipment rooms not larger than 80 square feet may be constructed per Exception #4, using fire treated I joists only above furnace closet area with minimum 5/8-inch Type X gypsum wallboard on the enclosing walls and a self-closing weather-stripped solid core 20-minute rated door and frame.
iii. Exception #7 - For floor assemblies located over a basement or crawl space with a mechanical equipment room not larger than 80 square feet may be unprotected if a fire sprinkler head is installed in accordance with section P2904 or the International Building Code sections 903.3.1.2 or 903.3.1.3, installed within the equipment room on a domestic water loop.”
(21) IRC Section R309.5 (Fire sprinklers) is amended by the deletion of this section in its entirety.
(22) IRC Section R310.l (Emergency escape and rescue openings):
i. “Exception #2 is amended by the deletion of the exception and its conditions.”
(23) IRC Section R312.l (Where required) is deleted and replaced with the following:
“R312.1.1 Where required. Guards shall be provided for those portions of open-sided walking surfaces, including stairs, ramps and landings, that are located more than 30-inches (762 mm) measured vertically to the floor or grade below at any point within 36-inches (914 mm) horizontally to the edge of the open side. Insect screening shall not be considered as a guard.”
All area wells, stairwells, window wells and light wells attached to any building that are located less than 36 inches (914 mm) from the nearest intended walking surface and deeper than 30-inches (762 mm) below the surrounding ground level, creating an opening greater than 24-inches (610 mm) measured perpendicular from the building, shall be protected with guardrails conforming to this section around the entire opening, or be provided with an equivalent barrier.
Exceptions:
i. The access side of stairways need not be protected.
ii. Area and window wells provided for emergency escape and rescue windows may be protected with approved grates or covers that comply with Section R310.4 of this code.
iii. Covers and grates may be used over stairways and other openings used exclusively for service access or for admitting light or ventilation.”
(24) IRC R313.1 (Townhouse automatic fire sprinkler systems) is amended by the deletion of this section in its entirety.
(25) IRC R313.2 (One-and two-family dwellings automatic fire sprinkler systems) is amended by the deletion of this section in its entirety.
(26) IRC 315.3 (Location) The first paragraph is amended as follows: “Carbon monoxide detection shall be installed in dwelling units within 15-feet of each separate sleeping area.”
(27) IRC R401.2 (Requirements) is amended by the addition of the following after the first paragraph:
“Foundations shall be designed, and the construction drawings stamped by a Colorado registered design professional. The foundation design must be based on an engineer’s soils report. The drawings must be noted with the engineering firm name, specific location for design and soils report number. A site certification prepared by State of Colorado registered design professional is required for setback verification on all new Group R Division 3 occupancies.”
(28) IRC R405.1 (Concrete or masonry foundations) is amended with the addition of the following after the first sentence: “All foundation drains shall be designed and inspected by a State of Colorado registered design professional.”
(29) IRC Chapter 11 (Energy efficiency) is deleted in its entirety and replaced with the 2018 International Energy Conservation Code.
(30) IRC G2415.12 (Minimum burial depth) is amended by the addition of the following: “All plastic fuel gas piping shall be installed a minimum of 18-inches (457 mm) below grade.”
(31) IRC G2417.4.1 (Test pressure) is amended by changing “3 psig” to “10 psig”.
(32) IRC G2417.4.2 (Test duration) is amended by replacing “10 Minutes” with “15 Minutes”.
(33) IRC P2503.5.1 (Rough plumbing) is amended by deleting the first paragraph and replacing it with “DWV systems shall be tested on completion of the rough piping installation by water or air with no evidence of leakage”.
(34) IRC P2603.5.l (Sewer depth) is amended by filling in both areas where indicated to read “12-inches (305 mm)”.
(35) IRC P3103. 1.l (Roof extension) is amended by replacing the words “6-inches” with “12-inches”.
(Ord. 01-2022, passed 1-26-2022) Penalty, see § 151.99