A. Amendments To International Building Code, 2006 Edition, And International Residential Code, 2006 Edition:
1. The following terms, conditions, and provisions shall be incorporated into the codes adopted by this chapter, and shall be enforced as part of said codes. Section numbers prior to each item refer to those in the international building code.
101.4.1 Electrical. Delete section with no replacement.
101.4.4 Plumbing. Delete section with no replacement.
101.4.8 Mobile, Manufactured, And Modular Buildings. Add new section as follows:
The installation, erection, and/or assembly of mobile, or manufactured homes, shall be governed by the requirements of the most current edition of the Idaho Manufactured Home Installation Standard (published by the state of Idaho division of building and safety, manufactured housing section). Systems not covered by the standard shall be governed by the conditions of approval of the state of Idaho. Permanent foundation systems not specifically covered in the standard shall be designed by a professional engineer, licensed by the state of Idaho.
No mobile, manufactured or modular building shall be installed on a building site unless it is approved and bears the insignia of approval of the Idaho division of building safety. Any such building bearing an insignia of approval shall be deemed to comply with codes, laws or rules enacted by the state of Idaho governing the manufacture and construction of such building. No such building which has been approved by the state of Idaho division of building and safety shall be in any way modified prior to its initial occupancy, unless approval of that modification is first made by the division.
Any manufactured or mobile home newly set in the incorporated area of the city of Kamiah, including within mobile home parks, must be documented as meeting no less than a 30 pounds per square foot roof snow load. Any manufactured or mobile home that is not listed as meeting the minimum roof snow requirements of chapter 15.04 of the city code may satisfy these requirements by one of the following methods:
a. A self-supporting ramada (roof cover) is erected over the manufactured or mobile home. Such a cover must meet the appropriate snow load requirements as required in chapter 15.04 of the city code and the adopted codes specific to its proposed location. A separate building permit shall be obtained for the ramada prior to, or at the same time as, the setting permit.
b. An engineering report, with supporting calculations, shall be prepared by a state of Idaho licensed professional engineer which documents that the mobile or manufactured home is capable of resisting the snow loads specific to its proposed location, pursuant to chapter 15.04 of the city code and the adopted codes.
c. The mobile or manufactured home is altered so that it is capable of resisting the snow loads specific to its proposed location. The submittal documents for such an alteration shall contain supporting design calculations and be the design prepared by a state of Idaho licensed professional engineer.
105.2 Work Exempt From Permit.
Building: Add to the end of section:
Said accessory structure shall conform to placement standards established by the city of Kamiah zoning ordinance.
Add exemption:
Agricultural buildings as defined and provided for in chapter 15.04 of the city code.
105.5 Expiration. Add to the end of the section:
The building official is authorized to re-instate as valid, a permit which has expired. The re-instatement shall be requested in writing and justifiable cause demonstrated.
In any case, accumulated extensions of time for any permit shall not be granted for more than a total time equal to the code adoption cycle of the codes in effect at the time of permit issuance; or an expired permit shall not be re-instated if the adopted codes at the time of the original permit issuance are no longer in effect. Upon the granting of an extension of time for a valid permit, or granting a re-instatement of an expired permit, the applicant shall be assessed a fee equal to the amount of the re-inspection fee as published in the most recent city of Kamiah fee resolution.
106.1 Submittal Documents. Add to the end of the first paragraph:
Any design which is the result of a standard engineering practice shall be accompanied by all supporting calculations.
Exception: Add to the end of paragraph:
or, submittal documents or work exempted by state of Idaho statutes.
106.1.1.1 Fire Protection System Shop Drawings. Delete section and replace with the following:
Shop drawings for the fire protection system(s) shall be submitted to the appropriate fire district or, at the direction of that district, to the state of Idaho fire prevention bureau, for review, approval, and separate permit(s).
108.3 Building Permit Valuations. Delete section and replace with the following:
Valuation for permit fee calculations shall be set by the building official in accordance with the current fee resolution adopted by the city of Kamiah.
110.1 Use And Occupancy. Delete section and replace with the following:
No building or structure shall be used or occupied, and no change in the existing occupancy classification of a building or structure or portion thereof shall be made until the building official has issued a certificate of occupancy or certificate of completion therefore as provided herein. Issuance of a certificate of occupancy or certificate of completion shall not be construed as an approval of a violation of the provisions of this code or other ordinances of the jurisdiction.
110.2 Delete first paragraph and replace with the following:
After the building official inspects the building or structure and finds no violations of the provisions of this code or other laws that are enforced by the city of Kamiah building and planning department, the building official shall issue a certificate of occupancy for a structure which is intended for human occupancy or a certificate of completion for a structure which is not intended for human occupancy that contains the following:
110.2.2 Add new section as follows:
Prior to issuance of a certificate of occupancy or certificate of completion, the applicant shall provide final approval from all agencies with jurisdiction, including, but not limited to, the fire district, highway district, Idaho department of transportation, North Central district health department, sewer districts, the Idaho state electrical inspector, the Idaho state plumbing inspector, the Idaho state building inspector, the Idaho department of health and welfare, the Idaho department of lands, and the U.S. army corps of engineers.
112. Delete section.
202. Definitions, Agricultural Building. Delete definition and replace with the definition in chapter 15.04 of the city code.
406.1.4 Separation: The private garage and the dwelling unit shall be separated by means of no less than the following: listed one hour fire resistive construction, or prescriptive requirements of IBC table 720.1(2), (3), on the garage side. The separation shall continue from the floor assembly to the bottom of the roof deck, or, if the ceiling of the garage is similarly protected, from the floor assembly to the ceiling. If there is any conditioned space above the garage area, the garage ceiling and all supporting structure below it shall be similarly protected. Any door between the garage and dwelling unit must be self closing, no less than 13/8" in thickness, and be constructed of solid wood, solid or honeycomb steel, or listed and labeled as being of no less than 20 minute fire resistive construction. Openings from a garage into a sleeping room shall not be permitted.
708.3 Fire Resistance Rating. Delete exception 2.
717.4.2 Groups 4-1 And 4-2. Delete exception 3.
Table 1017.1 For R occupancies replace "0.5" hour fire resistance rating with a sprinkler system and replace with "1" hour.
1019.1.5 Enclosures Under Stairways. Exception: Add the following to the exception:
where the enclosed useable space shall be lined with 5/8" type X gypsum board.
1026.1 General. Delete exception 1.
1604.2 Minimum Design Criteria. Add new section as follows:
Wind Speed: 90 mph 3 second gust, 75 mph fastest mile.
Air Freezing Index: 1500
Seismic Design Category: C
Weathering: Severe
Roof Snow Load: 30 lbs
Minimum Frost Depth: 24"
Assumed Minimum Soil Bearing Pressure: 1,500 psf
Decay: Slight
Ice Shield Underlayment Required: Yes
Flood Hazards:
Date Of Current Flood Insurance Rate Maps Index:
1608.2 Ground Snow Loads. Delete entire sub-section and replace with the following:
The ground snow loads to be used in determining the design snow loads shall be determined using factors and methodology contained in the publication, Ground And Roof Snow Loads For Idaho and accompanying map "Normalized Ground Snow Loads For Idaho" by the University Of Idaho, Moscow, Idaho, 1986. Methodology for determining design snow loads shall be as required in this section.
1804.1 Design. Delete section and replace with the following:
A presumptive allowable load bearing value for class 5 soil in table 1804.2 (1,500psf) shall be used for foundation design of structures except that certification by a professional engineer licensed in the state of Idaho that in place soils will meet classification of type 4 soils will be accepted (2,000psf). Mud, organic clays, peat or unprepared fill shall not be assumed to have a presumptive load bearing capacity unless data to substantiate the use of such a value are submitted. Classification of soil types 1, 2, or 3 will require certification by an Idaho licensed civil or geological engineer having sufficient education and experience to prove competency in the field of geotechnical engineering.
1805.1.1 Add sub-section as follows:
If the slope in the immediate vicinity of the construction site is greater than 15%, the building official or his designee may require a detailed site plan and/or a foundation plan prepared by a state of Idaho licensed design professional. These plans may be in addition to any storm water management or erosion control plans required by other ordinances or code requirements and may require complete soils evaluation by an Idaho licensed civil or geological engineer having sufficient education and experience to prove competency in the field of geotechnical engineering.
1805.2.1 Frost Protection.
1. Delete sub-section and replace with the following:
Extending below the established frost depth of 30".
1907.14 Minimum Reinforcement. Add new section as follows:
Minimum placement of reinforcing bars for foundation walls which do not exceed four feet in height shall be: twenty four inches on center and within six inches of the top and bottom of the stem wall horizontally and forty eight inches on center vertically. Minimum placement of reinforcing bars for foundation walls exceeding four feet in height shall be: eighteen inches on center and within six inches of the top and bottom of the stem wall horizontally and eighteen inches on center vertically. All vertical reinforcement shall be embedded into the footings without ground contact. Minimum reinforcement for all continuous footings shall be two continuous horizontal reinforcing bars. Minimum reinforcing bar size shall be #4.
2. The following terms, conditions, and provisions shall be incorporated into the codes adopted by this chapter, and shall be enforced as part of said codes. Section numbers prior to each item refer to those in the international residential code, 2006 edition.
R101.1 Title. Add "City of Kamiah" as the name of jurisdiction.
R103.2 Delete section.
R103.3 Delete section.
R105.2 Work Exempt From Permit.
Building:
1. Add to the end of the section:
Said structure shall conform to placement standards established by the city of Kamiah ordinance.
Electrical: Delete electrical exemption without replacement.
R105.5 Expiration. Add to the end of section:
The building official is authorized to re-instate as valid, a permit which has expired. The re-instatement shall be requested in writing and justifiable cause demonstrated.
In any case, accumulated extensions of time for any permit shall not be granted for more than a total time equal to the code adoption cycle of the codes in effect at the time of permit issuance; or an expired permit shall not be re-instated if the adopted codes at the time of the original permit issuance are no longer in effect. Upon the granting of an extension of time for a valid permit, or granting a re-instatement of an expired permit, the applicant shall be assessed a fee equal to the amount of the re-inspection fee as published in the most recent city of Kamiah resolution.
R106.14 Submittal Documents. Add to the end of the first paragraph:
Any design which is the result of accepted engineering practice shall be accompanied by all supporting calculations.
Exceptions: Delete paragraph and replace with the following:
a. When the construction is limited to the erection, enlargement, alteration or repair of any building used, or to be used as a) a single family residence not exceeding two (2) stories in height, b) multiple family residence(s) of three or less adjoining dwelling units not exceeding two (2) stories in height, c) a farm building, or d) outbuildings or auxiliary buildings in connection with such residence or farm premises, complying with conventional and prescriptive construction provisions of this code.
b. When the building conforms to the prescriptive requirements of this code, the requirement for separate engineering construction document submittals may be waived by the building official.
c. The building official is authorized to waive the submission of construction documents and other data not required to be prepared by a registered design professional by state statutes, if it is found that the nature of the work applied for is such that review of construction documents is not necessary to obtain compliance with this code.
d. Shop drawings for fire protection system(s), when applicable, shall be submitted to the appropriate fire district or, at the direction of that district, to the state of Idaho fire prevention bureau, for review, approval, and separate permit(s).
R107.3 Temporary Power. Delete section with no replacement.
R108.3 Building Permit Valuations. Delete section and replace with the following:
Valuation for permit fee calculations shall be set by the building official in accordance with the current fee resolution adopted by the city of Kamiah.
R110.1 Use And Occupancy. Delete section including exceptions and replace with the following:
No building or structure shall be used or occupied, and no change in the existing occupancy classification of a building or structure or portion thereof shall be made until the building official has issued a certificate of occupancy or certificate of completion therefore as provided herein. Issuance of a certificate of occupancy or certificate of completion shall not be construed as an approval of a violation of the provisions of this code or other ordinances of this jurisdiction.
R110.3 Certificate Issued. Delete first paragraph and replace with the following:
After the building official inspects the building or structure and finds no violations of the provisions of this code or other laws that are enforced by the city of Kamiah building and planning department, the building official shall issue a certificate of occupancy for a structure which is intended for human occupancy or a certificate of completion for a structure which is not intended for human occupancy that contains the following:
R110.4 Add new section as follows:
Prior to issuance of a certificate of occupancy or certificate of completion, the applicant shall provide final approval from all agencies with jurisdiction, including, but not limited to, the fire district, highway district, Idaho department of transportation, North Central district health department, sewer district, the Idaho state electrical inspector, the Idaho state plumbing inspector, the Idaho state building inspector, the Idaho department of health and welfare, the Idaho department of lands, and the U.S. army corps of engineers.
R112.1 General. Delete section.
Table R301.2(1) Climatic And Geographic Design Criteria
Roof Snow Load | Wind Speed (mph) | Air Freezing Index | Mobile/ Manufactured Snow Load | Seismic Design Category | Subject To Damage From | Ice Shield Underlayment Required | |||
Weathering | Frost Line Depth | Termite | Decay | ||||||
30 lbs | 75 mph fastest mile 90 mph three second gust | 1500 | 30 lbs | C | Severe | 24" | Slight | Slight | Yes |
The ground snow loads to be used in determining the design snow loads for roofs shall be determined using the factors and methodology contained in the publication Ground And Roof Snow Loads For Idaho and the accompanying map "Normalized Ground Snow Loads For Idaho" by the University Of Idaho, Moscow, Idaho, 1986. Methodology for determining design snow loads shall be as required in IBC section 1608.
R301.2.4 Flood Plain Construction. Delete section.
R302.1 Exterior Wall Location. Pursuant to revisions contained within the 2007 supplement to the international codes as published by the International Code Council add the following to the end of the section:
Exception 4. Walls of dwellings and accessory structures located on the same lot.
R309.2 Separation Required. Delete section and replace with the following:
The private garage and the dwelling unit shall be separated by means of no less than the following: listed one hour fire resistive construction, or prescriptive requirements of IBC table 720.1(2), on the garage side. The separation shall continue from the floor assembly to the bottom of the roof deck, or, if the ceiling of the garage is similarly protected, from the floor assembly to the ceiling.
If there is any conditioned space above the garage area, the garage ceiling and all supporting structure below it shall be similarly protected. Any door between the garage and dwelling unit must be self closing, no less than 13/8" in thickness, and be constructed of solid wood, solid or honeycomb steel, or listed and labeled as being of no less than 20 minute fire resistive construction. Openings from a garage into a sleeping room shall not be permitted.
R311.2.2 Under Stair Protection. Delete reference to 1/2" gypsum and replace with 5/8" type X gypsum.
R317.1 Delete exception 1.
R401.4.1 Geotechnical Evaluation. Delete section and corresponding table R401.4.1. Replace with the following:
A presumptive allowable load bearing value for class 5 soil in IBC table 1804.2 (1,500psf) shall be used for foundation design of structures, except that certification by a professional engineer licensed in the state of Idaho that in place soils will meet classification of type 4 soils will be accepted (2,000psf). Mud, organic clays, peat or unprepared fill shall not be assumed to have a presumptive load bearing capacity unless data to substantiate the use of such a value are submitted. Classification of soil types 1, 2, or 3 will require certification by an Idaho licensed civil or geological engineer having sufficient education and experience to prove competency in the field of geotechnical engineering.
R401.6 Add section as follows:
If the slope to the immediate vicinity of the construction site is greater than 15%, the building official or his designee may require a detailed site plan and/or a foundation plan prepared by state of Idaho licensed design professional. These plans may be in addition to any storm water management or erosion control plans required by other ordinances, or code requirements, and may require complete soils evaluation by an Idaho licensed civil or geological engineer, having sufficient education and experience to prove competency in the field of geotechnical engineering.
Pursuant to revisions contained within the 2007 supplement to the international codes as published by the International Code Council, delete this section and replace with the following:
R404.1 Concrete And Masonry Foundation Walls. Concrete and masonry foundation walls shall be selected and constructed in accordance with the provisions of section 404 or in accordance with ACI 318, ACI 322, NCMATR 68-A or ACI 530/ASCE 5/TMS 402 or other approved structural standards. When ACI 318, ACI 322, or ACI 530/ASCE 5/TMS 402 or other provisions of section 404 are used to design concrete or masonry foundation walls, project drawings, typical details and specifications are not required to bear the seal of the architect or engineer responsible for design, unless otherwise required by state law of the jurisdiction having authority.
Pursuant to revisions contained within the 2007 supplement to the international codes as published by the International Code Council, delete these tables:
Tables R404.1(1), R404.1(2), R404.1(3).
R404.1.2 Minimum Reinforcement. Add new section as follows:
Minimum placement of reinforcing bars for foundation walls which do not exceed four (4) feet in height shall be: twenty four (24) inches on center and within six (6) inches of the top and bottom of the stem wall horizontally and forty eight (48) inches on center vertically. Minimum placement of reinforcing bars for foundation walls exceeding four (4) feet in height shall be: eighteen (18) inches on center and within six (6) inches of the top and bottom of the stem wall horizontally and eighteen (18) inches on center vertically. All vertical reinforcement shall be embedded into the footings without ground contact.
Minimum reinforcement for all continuous footings shall be two (2) continuous horizontal reinforcing bars. Minimum reinforcing bar size shall be #4.
Pursuant to revisions contained within the 2007 supplement to the international codes as published by the International Code Council, add the following sections and table:
R502.2.2.1 Deck Ledger Connection To Band Joist. For decks supporting a total design load of 50 psf (40 psf live load plus 10 psf dead load), the connection between a deck ledger or preservative-treated southern pine, incised pressure-preservative-treated hem-fir or approved decay-resistant species, and a 2-inch nominal band joist bearing on a sill plate or wall plate shall be constructed with 1/2 inch lag screws or bolts with washers in accordance with table 502.2.2.1. Lag screws, bolts and washers shall be hot dipped galvanized or stainless steel.
Table R502.2.2.1 Fastener Spacing For A Southern
Pine Or Hem-Fir Deck Ledger And A 2-Inch Nominal
Solid-Sawn Spruce-Pine-Fir Band Joistc,f,g
(Deck Live Load = 40 psf, Deck Dead Load = 10 psf)
Joist Span | 6'-0" And Less | 6'-1" To 8'-0" | 8'-1" To 10'-0" | 10'-1" To 12'-0" | 12'-1" To 14'-0" | 14'-1" To 16'-0" | 16'-1" To 18'-0" |
Connection Details | On Center Spacing Of Fastenersd,e | ||||||
1/2" diameter lag screw with 15/32" maximum sheathinga | 30 | 23 | 18 | 15 | 13 | 11 | 10 |
1/2" diameter bolt with 15/32" maximum sheathing | 36 | 36 | 34 | 29 | 24 | 21 | 19 |
1/2" diameter bolt with 15/32" maximum sheathing and 1/2" stacked washersb,h | 36 | 36 | 29 | 24 | 21 | 18 | 16 |
For SI: 1 inch = 25.4, 1 foot = 304.8 mm. 1 pound per square foot = 0.0479 kN/m2
a. The tip of the lag screw shall fully extend beyond the inside face of the band joist.
b. The maximum gap between the face of the ledger board and face of the wall sheathing shall be 1/2".
c. Ledgers shall be flashed to prevent water from contacting the house band joist.
d. Lag screws and bolts shall be staggered in accordance with section R502.2.2.1.1.
e. Deck ledger shall be minimum 2x8 pressure-preservative-treated no. 2 grade lumber, or other approved materials as established by standard engineering practice.
f. When solid-sawn pressure-preservative-treated deck ledgers are attached to engineered wood products (structural composite lumber rim board or laminated veneer lumber), the ledger attachment shall be designed in accordance with accepted engineering practice.
g. A minimum 1 by 9-1/2 Douglas fir laminated veneer lumber rim board shall be permitted in lieu of the 2-inch nominal band joist.
h. Wood structural panel sheathing, gypsum board sheathing or foam sheathing not exceeding 1 inch in thickness shall be permitted. The maximum distance between the face of the ledger board and the face of the band joist shall be 1 inch.
R502.2.2.1.1 Placement Of Lag Screws Or Bolts In Deck Ledgers. The lag screws or bolts shall be placed 2 inches in from the bottom or top of the deck ledgers and between 2 and 5 inches in from the ends. The lag screws or bolts shall be staggered from the top to the bottom along the horizontal run of the deck ledger.
R502.2.2.2 Alternate Deck Ledger Connections. Deck ledger connections not conforming to table R502.2.2.1 shall be designed in accordance with accepted engineering practice. Girders supporting deck joists shall not be supported on deck ledgers or band joists. Deck ledgers shall not be supported on stone or masonry veneer.
B. Amendments To International Fuel Gas Code, 2006 Edition:
103.2 Delete section.
103.3 Delete section.
303.3 Prohibited Locations. Delete exceptions 3 and 4 without replacement.
303.7.1 LPG Appliances. Add new section as follows:
303.7.1.2 Walkout basement, appliance such as a decorative gas fireplace or stove, exposed to finished living space:
No special requirements - Appliance installed per manufacturer's instructions.
303.7.1.3 Walk-out basement, appliance such as furnace or water heater in a separate mechanical room, finished living space:
All combustion air must be drawn from outside, crawl space, or attic areas.
No more than one door between the mechanical room and exterior exit (door or sliding glass door).
Minimum 3" untrapped drain to daylight must be installed. Outlet must be protected from blockage and screened.
303.7.1.4 Walk-out basement, unfinished area:
Minimum 3" untrapped drain to daylight must be installed. Outlet must be protected from blockage and screened.
Unburned gas detector (sniffer) connected to whole building shut-off solenoid must be installed.
303.7.1.4 Under floor area or true basement, including walk-out without door to exterior:
Minimum 3" untrapped drain to daylight must be installed. Outlet must be protected from blockage.
Unburned gas detector (sniffer) connected to whole building shut-off solenoid, plus explosion-proof evacuation exhaust must be installed.
C. Amendments To International Mechanical Code:
103.2 Delete section.
103.3 Delete section.
D. Amendments To International Energy Conservation Code:
401.2.1 Minimum Requirements. Add new section as follows:
In no case shall there be less than the following components in any conditioned habitable space:
a. Ceiling (flat) | R-38 |
b. Ceiling (vaulted) | R-30 |
c. Exterior walls | R-19 |
d. Floors | R-19 |
e. Cantilevered floors | R-30 |
f. Slab perimeter (2') | R-10 |
g. Windows | .50 u-factor |
E. Amendments To International Property Maintenance Code:
103.2 Delete section.
103.3 Delete section.
F. Amendments To International Existing Building Code:
103.2 Delete section.
103.3 Delete section.
G. Amendments To International Fire Code:
103.2 Delete section.
103.3 Delete section.
(Ord. 2010-5 §§2, 5, 6, 7, 8, 9, 10, 2010)