The IBC and the IRC are amended as hereinafter set out. In the event requirements of this code conflict with applicable State and federal requirements, the more stringent shall apply.
1. The following are deleted from the IRC and are of no force or effect in this chapter:
501.3 Fire protection of floors
Part VIII - Electrical
2. Subsection 101.1 of the IBC and R101.1 of the IRC are hereby deleted and there is enacted in lieu thereof the following subsections:
101.1 Title. These regulations shall be known as the Windsor Heights Building Code, hereinafter known as “this code.”
R101.1 Title. These provisions shall be known as the Windsor Heights Residential Code for One- and Two-Family Dwellings, and shall be cited as such and will be referred to herein as “this code.”
3. Subsection 101.4.6, Energy, of the IBC is hereby amended by deleting said subsection and inserting in lieu thereof the following subsection, and Subsection R101.3.1, Intent, of the IRC is hereby established by adding the following subsection:
101.4.6 Energy and R101.3.1 Intent. The provisions of the International Energy Code as currently adopted and amended by the Iowa State Building Code Bureau shall apply to all matters governing the design and construction of buildings for energy efficiency. Administration shall be as prescribed in this code and these regulations shall be known as the Windsor Heights Energy Code. Construction or work for which a permit is required shall be subject to inspections and the Building Official may make or cause to be made the requested inspections. The Building Official is authorized to accept reports of approved inspection agencies, provided such agencies satisfy the requirements as to qualifications and reliability. Any portion that does not comply shall be corrected and such portion shall not be covered or concealed until authorized by the Building Official.
4. Subsection 103.1, Creation of Enforcement Agency, of the IBC and R103.1, Creation of Enforcement Agency, of the IRC are hereby amended by adding the following paragraph:
The term Building Official is intended also to mean the Building and Zoning Administrator, who shall be designated by the Planning and Building Director and shall hereinafter be referred to as Code Official and his or her representatives or designees, who are herewith delegated the same powers, authorities, duties and responsibilities as designated for the Code Official. The Code Official, when so appointed, shall be responsible for the enforcement of the Building Code, the Mechanical Code, the Housing Code, the Plumbing Code, the Gas Code, the Energy Code, the Electrical Code, the Zoning Code and the Fire Prevention Code of the City. The Code Official shall have authority to file a complaint in any court of competent jurisdiction charging a person with the violation of this title. The Code Official shall have whatever additional duties the Director of Planning and Building may prescribe.
5. Subsection 104.11, Alternate Materials, Methods and Equipment, of the IBC is hereby amended by adding the following subsection and exception:
104.11.3 Iowa State Plumbing Code. The Iowa State Plumbing Code, consisting of the Uniform Plumbing Code, as prepared and edited by the International Association of Plumbing and Mechanical Officials, as amended and currently adopted by the State of Iowa Department of Public Health, is hereby approved as an alternate equivalent method for complete plumbing and fuel gas systems.
Administration Exception 1. Administrative regulations shall be as prescribed in the International Plumbing Code, 2012 Edition, and International Fuel Gas Code, 2012 Edition, as adopted and amended.
6. Subsections 105.1, Required, of the IBC and R105.l, Required, of the IRC are hereby amended by adding the following to said subsections:
105.1 and R105.1 Platting required. A building permit shall not be issued unless the land upon which the proposed work is to be done is platted pursuant to the provisions of the subdivision regulations. A building permit shall not be issued permitting the construction of any building or other structure on any lot designated on any plat as an outlot, without such lot being replatted in accordance with the provisions of the subdivision regulations. Such platting may be waived by the City Council if that body determines that no portion of the land is needed for public purposes or if that portion needed for public purposes, as determined by the Council, is dedicated to the City; provided further, such platting may be waived by the Zoning Administrator if the requested building permit is for one of the following purposes:
1. Any accessory structure or addition for a one- or two-family residence;
2. The removal, repair, or alteration of a structure on unplatted premises, provided that there is no change in the use classifications of such structure;
3. The term “alteration” shall be deemed to mean any change or modification of a structure that does not serve to increase the size of the original structure by more than ten percent.
7. Subsections 105.2, Work Exempt from Permit, of the IBC and R105.2, Work Exempt from Permit, of the IRC are hereby amended by adding a sentence to said subsections as follows:
Exemption from permit requirements of this chapter shall not preclude requirements for permitting of plumbing, electrical, and mechanical installations and systems or compliance with Windsor Heights Code of Ordinances.
8. Subsections 105.5, Expiration, of the IBC and R105.5, Expiration, of the IRC are hereby amended by deleting said subsections and inserting in lieu thereof the following:
105.5 and R105.5 12-month expiration. Every permit issued under the provisions of this Code shall expire twelve (12) months from the date of issue, unless the application is accompanied by a construction schedule of specific longer duration, in which instance the permit may be issued for the term of the construction schedule, with approval of the Code Official. If the work has not been completed by the expiration date of the permit, the permit shall automatically cancel and no further work shall be done until the permit shall have been renewed by the owner or his or her agent and by payment of the renewal fee as established by Resolution of the City Council, and provided no changes have been made in plans or location. Upon approval, permits may be extended for no more than two periods not exceeding 180 days each. A building permit shall automatically cancel if for any reason work is not commenced within 120 days of the date issuing the building permit or if work is substantially stopped for a period of 120 days, prior to said cancellation, unless a written extension is granted by the Building Inspector upon good cause shown by the applicant for such extension.
9. Subsections 105.6.1, Revocation of Permit, of the IBC and R105.6.1, Revocation of Permit, of the IRC, are hereby established by adding the following subsections:
105.6.1 and R105.6.1 Revocation of permit. It is the responsibility of the permit holder to schedule the required inspections and obtain final approval. Failure to schedule the required inspections and receive approval of work authorized by the permit before covering said work or at completion shall result in revocation of the permit and void any associated approvals granted by the City. This failure shall also equate to working without a permit in violation of City ordinance and no future permits shall be issued to any person or company who has outstanding violations of this code or any other laws or ordinances of the City. Failure to contact the City for any inspection or follow-up prior to expiration of a permit shall be deemed a violation of this code section. Failure to contact the City for any inspection or follow-up prior to expiration of a temporary certificate of occupancy shall also be deemed a violation of this code section. Allowing occupancy of a structure, for which a person or company holds a building permit, prior to or without a valid certificate of occupancy (temporary or final) shall be deemed a violation of this code section and no future permits shall be issued to any person or company who has outstanding violations of this code or any other laws or ordinances of the City.
10. Subsections 109.2.1, Plan Review Fees, of the IBC, and R108.2.1, Plan Review Fees, of the IRC are hereby established by adding the following subsections:
109.2.1 and R108.2.1 Plan review fees. Fees for all plan reviews shall be as set forth and established by resolution of the City Council. All plan review fees shall be automatically adjusted on January 1 of each year based on the Consumer Price Index (CPI) for the previous year. All such fees shall be paid in accordance with the terms and requirements of such resolution or as the same may be amended by the City Council from time to time.
11. Subsections 109.4, Work Commencing before Permit Issuance, of the IBC and R108.6, Work Commencing before Permit Issuance, of the IRC are hereby established by adding the following sentence after said subsections:
109.4 and R108.6 Work commencing before permit issuance. If any construction requiring a permit by provision of the Building Code or City Code is undertaken without first obtaining a building permit, the permit fee shall be double the amount it would have been if granted prior to the commencement of construction. Further, if any additional professional services (for example engineering or architectural services) are required by the City in the review of the building permit request, those fees will be passed through and paid by the applicant.
12. Subsection R110.1, Use and Occupancy, of the IRC is hereby amended by deleting exception #2 - Accessory buildings or structures.
13. Subsections 112.4, Service Utilities, of the IBC, and R111.4, Service Utilities, of the IRC are hereby established by adding the following subsections:
112.4 and R111.4 Underground utility installation. All electrical service lines not exceeding 480 volts and all telephone and cablevision service lines, as well as other utility lines serving any new building or structure, including signs and billboards, requiring permanent electrical service shall be placed underground unless a waiver from such is approved by the City Engineer. The provisions of this section shall not apply to existing buildings or additions to such buildings. Nothing in this section shall be deemed to apply to temporary service when defined as such by the utility company.
14. Section 202, Definitions, of the IBC and Section R202 Definitions, of the IRC are hereby amended by deleting the definitions of accessory structure, swimming pool, and townhouse and inserting in lieu thereof the following:
SWIMMING POOL. Any structure intended for swimming, recreational bathing, or wading and which is capable of containing water over 24 inches deep. This includes in-ground, above-ground and on-ground pools; hot tubs; and spas and fixed-in-place wading pools, but excludes manmade lakes or ponds created through the collection of storm water or drainage runoff.
ACCESSORY STRUCTURE. Accessory structures shall be defined as and shall conform to applicable zoning requirements and shall include but not be limited to structures and equipment with a fixed location on the ground, including wind energy systems, generators, and equipment shelters.
TOWNHOUSE. A single-family dwelling unit constructed in groups of three or more attached units in which each unit extends from foundation to roof. Townhouse groups of more than twelve units shall have a yard or public way on at least two sides.
15. Table R301.2(1), Climatic and Geographic Design Criteria, of the IRC is hereby amended by modifying said table, as follows:
Table R301.2(1), Climatic and Geographic Design Criteria
Ground Snow Load | Wind Design | Seismic Design Category | Subject to Damage From | Winter | Flood Hazards NFIP Adoption | Air Freezing Index | Mean Annual Temp. | |||||
1. Speed MPH | Topographic Effects | Weathering | Frost Line Depth | Termite | Design Temp. | Ice Barrier Required | ||||||
30 PSF | 90 | No | A | Severe | 42" | No | -5ºF | Yes | 5/16/83 | 1833 | 48.6º | |
16. Subsection R302.1, Exterior Walls, of the IRC is hereby amended by deleting all exceptions and inserting in lieu thereof the following exception:
R302.1 Exterior Walls.
Exception 1. Accessory structures less than 10 feet from a dwelling and/or less than 3 feet from a property line shall be provided with 5/8-inch ‘X’ fire code sheetrock or equivalent throughout the interior, including the walls and ceiling. Any accessory structure openings in walls parallel to and less than 10 feet from the dwelling unit walls shall be fire rated in accordance with this code.
17. Table R302.1, Exterior Walls, of the IRC is hereby amended as follows:
Table R302.1(1), Exterior Walls
Exterior Wall Element | Minimum Fire-Resistance Rating | Minimum Fire Separation Distance | |
Exterior Wall Element | Minimum Fire-Resistance Rating | Minimum Fire Separation Distance | |
Walls | (Fire-resistance rated) | 1 hour with exposure from both sides per ASTM E 119 or UL 263 | < 3 feet |
(Not fire-resistance rated) | 0 hours | = 3 feet | |
Projections | (Fire-resistance rated) | 1 hour on the underside | 2 feet |
(Not fire-resistance rated) | 0 hours | = 2 feet | |
Openings | Not allowed | N/A | < 3 feet |
25% Maximum Wall Area | 0 hours | 3 feet | |
Unlimited | 0 hours | 5 feet | |
Penetrations | All | Comply with Section R302.4 | < 3 feet |
None required | 3 feet | ||
18. Subsection R302.2, Townhouses, of the IRC is hereby amended by deleting said subsection and inserting in lieu thereof the following (exception and subsequent subsections remain unchanged):
R302.2 Townhouses. Each sprinklered townhouse shall be considered a separate building and shall be separated by fire-resistance-rated wall assemblies meeting the requirements of Section R302.1 for exterior walls. All townhouse groups of more than 12 attached units in which each unit does not have a yard or public way on at least two sides shall be sprinklered.
19. Subsection R302.2, Townhouses, of the IRC is hereby amended by adding the following paragraph and exception:
Each non-sprinklered townhouse shall be considered a separate building and shall be separated by fire-resistance-rated wall assemblies meeting the requirements of Section R302.1 for exterior walls. All townhouse groups of more than 12 attached units in which each unit does not have a yard or public way on at least two sides shall be sprinklered.
Exception: A common 2-hour fire-resistance-rated wall assembly tested in accordance with ASTM E 119 or UL 263 is permitted for townhouses if such walls do not contain plumbing or mechanical equipment, ducts or vents in the cavity of the common wall. The wall shall be rated for fire exposure from both sides and shall extend to and be tight against exterior walls and the underside of the roof sheathing. Electrical installations shall be installed in accordance with the State Electrical Code. Penetrations of electrical outlet boxes shall be in accordance with Section R302.4.
20. Subsection R302.3, Two-Family Dwellings, of the IRC is hereby amended by deleting said subsection and inserting in lieu thereof the following and deleting Exception 2:
R302.3 Two-family dwellings. For purposes of fire-resistive separation, two-family dwelling units shall be considered as townhouses and shall be constructed in accordance with R302.2.
Exception 2 deleted.
21. Subsection R302.6, Dwelling/Garage Fire Separation, of the IRC is hereby amended by deleting said subsection and inserting in lieu thereof the following subsection:
R302.6 Dwelling/garage fire separation. The garage shall be separated throughout as required by Table R302.6. Openings in garage walls shall comply with section R302.5.
22. Table R302.6, Dwelling/Garage Separation, of the IRC, is hereby amended by modifying said table as follows:
Table R302.6, Dwelling/garage separation
Separation | Material |
From the residence and attics – common wall with garage | 5/8" “X” fire code sheetrock or equivalent applied to the garage side |
From all habitable rooms above the garage | 5/8" “X” fire code sheetrock or equivalent – throughout garage |
Structures supporting floor/ceiling assemblies used for separation required by this section | 5/8" “X” fire code sheetrock or equivalent – throughout garage |
Garages located less than 10 feet from a dwelling unit(s) on the same lot | 5/8" “X” fire code sheetrock or equivalent – throughout garage |
23. Subsection R303.3, Bathrooms, of the IRC, is hereby amended by deleting said subsection and inserting in lieu thereof the following subsection and also by adding the following exception:
R303.3 Bathrooms. Bathrooms shall be provided with a mechanical ventilation system. The minimum ventilation rates shall be 50 cfm for intermittent ventilation or 20 cfm for continuous ventilation. Ventilation air from the space shall be exhausted directly to the outside.
Exception: Toilet rooms containing only a water closet and/or lavatory may be provided with a recirculating fan.
24. Subsection 406.3.4, Separation, of the IBC is hereby amended by deleting subsection 1 and inserting in lieu thereof the following:
1. The private garage shall be separated from the dwelling unit and its attic area by means of minimum 5/8-inch type “X” fire code gypsum board or 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 type “X” fire code gypsum board or equivalent throughout. Garages beneath habitable rooms shall be separated by not less than 5/8-inch type “X” fire code gypsum board or equivalent throughout. Door openings between a private garage and the dwelling unit shall be equipped with either solid wood doors or solid or honeycomb core steel doors not less than 1 3/8-inch thick, or doors in compliance with 716.5.3. Openings from a private garage directly into a room used for sleeping purposes shall not be permitted. Doors shall be self-closing and self-latching.
25. Subsection R310.1, Emergency Escape And Rescue Required, of the IRC, is hereby amended by deleting the first paragraph of said section and inserting in lieu thereof the following:
Basements, habitable attics and every sleeping room shall have at least one openable emergency escape and rescue window or exterior door opening for emergency escape and rescue. Where basements contain one or more sleeping rooms, emergency egress and rescue openings shall be required in each sleeping room, but shall not be required in adjoining areas of the basement. Where a window is provided as a means of escape and rescue opening from a basement, it shall have a sill height of not more than 44 inches above the floor or landing. Where a landing is provided, the landing shall be not less than 36 inches wide, not less than 18 inches out from the exterior wall, and not more than 24 inches in height. The landing shall be permanently affixed to the floor below and the wall under the openable area of the window it serves. Where a door opening having a threshold below the adjacent ground elevation serves as an emergency escape and rescue opening and is provided with a bulkhead enclosure, the bulkhead enclosure shall comply with Section 310.3. Escape and rescue window openings with a finished sill height below the adjacent ground elevation shall be provided with a window well in accordance with Section R310.2.
26. Subsections 1029.4, Operational Constraints, of the IBC and R310.1.4, Operational Constraints, of the IRC are hereby amended by adding a new sentence and exception following these subsections:
The net clear opening dimensions required by this section shall be obtained by the normal operation of the emergency escape and rescue opening from the inside and shall not require the removal of a sash or other component of the emergency escape and rescue opening.
Exception: Existing required emergency escape openings shall be maintained in accordance with the Windsor Heights Property Maintenance Code and may be replaced with the same size and type of window.
27. Subsection R310.5, Emergency Escape Windows under Decks and Porches, of the IRC is hereby amended by adding a new sentence following this section:
Cantilever areas of all construction elements shall be regulated in accordance with this section.
28. Subsection R311.7.5.1, Riser Height, of the IRC is hereby amended by adding the following exceptions:
Exception 2: The maximum riser height shall be 7¾ inches. The riser height shall be measured vertically between leading edges of the adjacent treads. The greatest riser height within any flight of stairs shall not exceed the smallest by more than 3/8 inch, except at the top or bottom riser of any interior stair where this dimension may deviate by a maximum of 1 inch. In no case shall the risers exceed the maximum height of 7¾ inches.
Exception 3: The opening between adjacent treads is not limited on exterior stairs serving individual dwelling units.
29. Subsection R311.7.8.2, Continuity, of the IRC is hereby amended by adding the following exception:
Exception 3: Handrails within a dwelling unit or serving an individual dwelling unit shall be permitted to be interrupted at one location in a straight stair when the rail terminates into a wall or ledge and is offset and immediately continues.
30. Subsection R313.1, Townhouse Automatic Fire Sprinkler System, of the IRC is hereby amended by deleting said subsection and inserting the following in lieu thereof (exception remains unchanged):
R313.1 Townhouse automatic fire sprinkler systems. An automatic residential fire sprinkler system shall be installed in townhouses containing more than twelve (12) dwelling units.
31. Subsection R313.2, One- and Two-Family Automatic Fire Sprinkler Systems, of the IRC is hereby amended by adding the following exception:
Exception 2: Dwelling units in which the gross square footage of the dwelling spaces, including all floor levels whether finished or unfinished and all basement areas whether finished or unfinished (exclusive of attached garage area), does not exceed 8,000 square feet.
32. Subsection R403.1.4.1, Frost Protection, of the IRC is hereby amended by deleting all existing exceptions and inserting in lieu thereof the following:
Exception 1: Detached garages of light frame wood construction of 1,010 square feet or less in size and detached garages of 400 square feet or less in size of other than light frame wood construction and more than 10 feet from a dwelling or attached garage may be provided with a floating slab which shall include a thickened slab edge of a minimum 8 inches thick and tapered or squared from a width of 6 inches to 12 inches and have floors of Portland cement concrete not less than 4 inches thick. Garages areas shall have all sod and/or debris removed prior to installation of said floor.
33. Subsection R404.1, Concrete and Masonry Foundation Walls, of the IRC is hereby amended by adding the following paragraph:
R404.1 Concrete and masonry foundation walls lateral support. Prior to backfill and prior to a poured-in-place floor slab to provide bottom lateral support, the following may be provided: (1) a full depth (minimum 1½") nominal 2" x 4" keyway may be formed into the footings to secure the bottom of the foundation wall; or (2) 36" long vertical #4 rebar may be embedded a minimum of 6" into the footings, not to exceed 7' on center spacing.
34. Subsections 1807.1.5.1, Foundation Walls For Conventional Light Frame Wood Construction, of the IBC and R404.1.2.2.3, Foundation Walls For Conventional Light Frame Wood Construction, of the IRC are hereby established by adding the following subsections and table:
As an alternate to the requirements of respective codes the following Table, Foundation Walls for Conventional Light Frame Construction may be used:
Foundation Walls for Conventional Light Frame Construction
Height of Foundation Wall (Net measured from top of basement slab to top of foundation wall)* | Thickness of Foundation Walls | Reinforcement Type and Placement within Foundation Wall** | Reinforcement Type and Placement within Foundation Wall** (Maximum 12' span between corners and supporting cross walls.) | Type of Mortar | ||
Unit
| ||||||
Height of Foundation Wall (Net measured from top of basement slab to top of foundation wall)* | Thickness of Foundation Walls | Reinforcement Type and Placement within Foundation Wall** | Reinforcement Type and Placement within Foundation Wall** (Maximum 12' span between corners and supporting cross walls.) | Type of Mortar | ||
Unit
| ||||||
Gross | Net | Concrete | Masonry | Concrete | Masonry | Masonry |
8' | 7'8" | 7½" | 8" | ½" horizontal bars, placement in the middle, and near the top & bottom – ½" bars @ 6' max. vertically | 0.075 square inch bar 8' o.c. vertically in fully grouted cells. If block is 12" nominal thickness, may be unreinforced | Type M or S. Grout and mortar shall meet provisions of Chapter 21 IBC |
9' | 8' 8" | 8" | See Chapter 18 IBC | ½" bars 2' o.c. horizontally and 20" vertically o.c. (5/8" bars 2' o.c. horizontally and 30" vertically o.c.) | See Chapter 18 IBC | Same as above |
10' | 9' 8" | 8" | See Chapter 18 IBC
|
See Chapter 18 IBC | Same as above | |
*Concrete floor slab to be nominal 4". If such floor slab is not provided prior to backfill, provide: (1) 36" vertical #4 rebar embedded in the footing @ maximum 7' o.c. spacing; and/or (2) full depth nominal 2"depth x 4"width keyway in footing. | ||||||
** All reinforcement bars shall meet ASTM A6175 grade 40 minimum and be deformed. Placement of bars shall be in center of wall and meet the provisions of 18, 19, and 21 of the International Building Code. | ||||||
NOTE: Cast in place concrete shall have a compressive strength of 3,000 lbs @ 28 days. Footings shall contain continuous reinforcement of 2½? diameter rebar throughout. Placement of reinforcement and concrete shall meet the requirements of Chapter 19 of the International Building Code. | ||||||
NOTE: Material used for backfilling shall be carefully placed granular soil of average or high permeability and shall be drained with an approved drainage system as prescribed in Section 1805.4 of the International Building Code. Where soils containing a high percentage of clay, fine silt or similar materials of low permeability or expansive soils are encountered or where backfill materials are not drained or an unusually high surcharge is to be placed adjacent to the wall, a specially designed wall shall be required. | ||||||
Note: Foundation plate or sill anchorage may be installed in accordance with the respective codes as applicable. | ||||||
35. Section R405, Foundation Drainage, of the IRC is hereby amended by adding a new subsection as follows:
R405.3 Sump pumps. Footing drains and drainage systems shall be discharged to a sump pump plumbed to a discharge system separated from the sanitary sewer and in accordance with the standard specifications adopted by the City Council. Exceptions may be granted by the Code Official in accordance with said engineering standards.
36. Subsection R506.2.4, Reinforcement Support, of the IRC is hereby amended by addition of the following exception:
Exception 1: Non-structural slabs.
37. Subsection 907.2.11, Single- and Multiple-Station Smoke Alarms, of the IBC is hereby amended by deleting said subsection and inserting in lieu thereof the following:
907.2.11 Single- and multiple-station smoke alarms. Listed single- and multiple-station smoke alarms complying with UL 217 shall be installed in accordance with provisions of this code and the household fire warning equipment provision of NFPA 72. Smoke alarms shall be addressable with sounder bases and tied into the building fire alarm system as a supervisory signal only. Mini horns are not required if notification from a building fire alarm system is through the smoke alarms with sounder bases.
38. Subsection M1403.2, Foundations and Supports, of the IRC is hereby amended by deleting said section and inserting in lieu thereof the following:
M1403.2 Foundation and supports. Foundations and supports for outdoor mechanical systems shall be raised at least 1½ inches above the finished grade and shall also conform to the manufacturer’s installation instructions.
39. Subsection P2603.5, Freezing, of the IRC is hereby amended by deleting the last sentence of said subsection and inserting in lieu thereof the following:
Exterior water supply system piping shall be installed not less than sixty (60) inches below grade.
40. Subsection P2603.5.1, Sewer Depth, of the IRC is hereby amended by deleting said subsection and inserting in lieu thereof the following:
P2603.5.1 Sewer depth. Building sewers shall be a minimum of forty-eight (48) inches below grade.
41. Subsection 1007.2, Continuity and Components, of the IBC is hereby amended by adding the following #11 to said subsection:
11. Components of exterior walking surfaces shall be hard surfaced.
42. Section 1008, Doors, Gates and Turnstiles, of the IBC is hereby amended by adding the following subsection:
1008.1.6.1 Frost protection. Exterior landings at doors shall be provided with frost protection.
43. Subsection 1012.4, Continuity, of the IBC is hereby amended by adding the following exception:
Exception 5: Handrails within a dwelling unit or serving an individual dwelling unit of Groups R-2 and R-3 shall be permitted to be interrupted at one location in a straight stair when the rail terminates into a wall or ledge and is offset and immediately continues.
44. Subsection 1027.5, Access to a Public Way, of the IBC is hereby amended by adding the following subsection:
1027.5.1 Access to a public way. Components of exterior walking surfaces shall be hard surfaced.
45. Subsection 1029.3, Maximum Height From Floor, of the IBC is hereby amended by adding the following exception:
Exception 1: Within individual units of Group R-2 and R-3 occupancies where a window is provided as a means of escape and rescue opening from a basement it shall have a sill height of not more than 44 inches above the floor or landing. Where a landing is provided, the landing shall be not less than 36 inches wide, not less than 18 inches out from the exterior wall, and not more than 24 inches in height. The landing shall be permanently affixed to the floor below and the wall under the openable area of the window it serves.
46. Subsection 1029.5, Window Wells, of the IBC is hereby amended by adding the following subsection:
1029.5.3 Window well drainage. All window wells shall be provided with approved drainage.
47. Chapter 13, Energy Efficiency, of the IBC and Chapter 11 [RE], Energy Efficiency, of the IRC are hereby amended by deleting said chapters and inserting in lieu thereof the following:
Chapter 13 Energy Efficiency and Chapter 11 Energy Efficiency.
The provisions of the International Energy Code as currently adopted and amended by the Iowa State Building Code Bureau shall apply to all matters governing the design and construction of buildings for energy efficiency. Administration shall be as prescribed in this code and these regulations shall be known as the Windsor Heights Energy Code.
48. Table 1405.2, Minimum Thickness of Weather Coverings, of the IBC is hereby amended by adding the following footnote:
Footnote f: Vinyl siding shall be provided with a weather-resistant sheathing paper.
49. Subsection 1405.14, Vinyl Siding, of the IBC is hereby amended by adding a new subsection as follows:
1405.14.2 Water-resistive barrier required. An approved water-resistive barrier shall be provided under all vinyl siding.
50. Subsection 1608.2, Ground Snow Loads, of the IBC is hereby amended by deleting said section and inserting in lieu thereof the following:
1608.2 Ground snow load. The ground snow load to be used in determining the design snow load for roofs is hereby established at 30 pounds per square foot. Subsequent increases or decreases shall be allowed as otherwise provided in the Building Code, except that the minimum allowable flat roof snow load may be reduced to not less than 80 percent of the ground snow load.
51. Section 1612, Flood Loads, of the IBC is hereby amended by deleting said section and inserting in lieu thereof the following section:
1612.1 General floodplain construction standards. The following standards are established for construction occurring within the 100-year flood elevation:
1612.1.1 All structures. All structures shall:
1. Be adequately anchored to prevent flotation, collapse or lateral movement of the structure;
1.1 Be constructed with materials and utility equipment resistant to flood damage; and
1.2 Be constructed by methods and practices that minimize flood damage.
1612.1.2 Residential buildings. All new or substantially improved residential structures shall have the lowest floor, including basement, elevated a minimum of one foot above the 100-year flood level. Construction shall be upon compacted fill which shall, at all points, be no lower than one foot above the 100-year flood level and extend at such elevation at least 18 feet beyond the limits of any structure erected thereon. Alternate methods of elevating (such as piers) may be allowed, subject to favorable consideration by the Code Official where existing topography, street grades, or other factors preclude elevating by fill. In such cases, the methods used must be adequate to support the structure as well as withstand the various forces and hazards associated with flooding.
1612.1.3 Nonresidential buildings. All new or substantially improved nonresidential buildings shall have the first floor (including basement) elevated a minimum of one foot above the 100-year flood level or, together with attendant utility and sanitary systems, be flood proofed to such a level. When flood proofing is utilized, a professional engineer registered in the State of Iowa shall certify that the flood proofing methods used are adequate to withstand the flood depths, pressures, velocities, impact and uplift forces and other factors associated with the 100-year flood; that the structure, below the 100-year flood level, is watertight with walls substantially impermeable to the passage of water. A record of the certification indicating the specific elevation (in relation to mean sea level) to which any structures are flood proofed shall be maintained by the Code Official.
612.1.4 Anchoring of mobile homes. Mobile homes shall be anchored to resist flotation, collapse, or lateral movement by providing overthe-top and frame ties to ground anchors. Specific requirements are that:
1. Over-the-top ties be provided at each of the four comers of the mobile home with two additional ties per side at intermediate locations for mobile homes 50 feet or more in length or one such tie for mobile homes less than 50 feet in length.
1.1 Frame ties shall be provided at each corner of the home with five additional ties per side at intermediate points for mobile homes 50 feet in length.
1.2 All components of the anchoring system be capable of carrying a force of 4,800 pounds.
1.3 Any additions to the mobile home shall be similarly anchored.
612.1.5 Placement of mobile homes. Mobile homes shall be placed on lots or pads elevated by means of compacted fill so that the lowest floor of the mobile home will be a minimum of one foot above the 100-year flood level. In addition, the tie-down specification of Subsection 612.1.4 must be met, and adequate surface drainage and access for a hauler must be provided.
612.1.6 New or expanded mobile homes. New mobile homes, expansions to existing mobile homes, and mobile home lots where the repair, reconstruction, or improvement of the streets, utilities, and pads equals or exceeds 50 percent before the repair, reconstruction, or improvement has commenced shall provide:
1. Lots or pads that have been elevated by means of compacted fill so that the lowest floor of mobile homes will be a minimum of one foot above the 100-year flood level.
1.1 Ground anchors for mobile homes.
612.1.7 Storage of flammable materials and equipment. Storage of equipment and materials that are flammable, explosive, or injurious to human, animal, or plant life is prohibited unless elevated a minimum of one foot above the 100-year flood level. Other material and equipment must either be similarly elevated or: (i) not subject to major flood damage and anchored to prevent movement due to floodwaters; or (ii) readily removable from the area within the time available after flood warning.
1612.2 Special floodway standards. The following standards are established for construction occurring within a designated floodway: Structures, buildings, and sanitary and utility systems, if permitted, shall meet the applicable general floodplain standards and shall be constructed or aligned to present the minimum possible resistance to flood flows. Buildings, if permitted, shall have a low flood damage potential and shall not be for human habitation.
52. Subsection 1809.5, Frost Protection, of the IBC is hereby amended by adding the following exception 4:
Exception 4. Detached garages, accessory to Group R-2 and R-3 occupancies, 1,010 square feet or less in size of light frame wood construction and detached garages of 400 square feet or less in size of other than light frame wood construction and more than 10 feet from a dwelling or attached garage may be provided with a floating slab, which shall include a thickened slab edge of a minimum 8 inches thick and tapered or squared from a width of 6 inches to 12 inches and have floors of Portland cement concrete not less than 4 inches thick. Garage areas shall have all sod and/or debris removed prior to installation of said floor.
53. Appendix G, Swimming Pools, Spas and Hot Tubs, of the IRC is hereby adopted by reference and shall be in full force and effect in this chapter.
54. Subsections 3109.2, Definition, of the IBC and AG102, Definitions, of the IRC are hereby amended by deleting said definition and inserting in lieu thereof the following:
SWIMMING POOL. Any structure intended for swimming, recreational bathing or wading that is capable of containing water over 24 inches deep. This includes in-ground, above-ground, and on-ground pools; hot tubs; spas and fixed-in-place wading pools, but excludes manmade lakes or ponds created through the collection of storm water or drainage runoff.
55. Section 3401.3, Compliance, of the IBC is hereby amended by deleting said section and inserting in lieu thereof the following:
3401.3 Compliance. Alterations, repairs, additions and changes of occupancy to existing structures shall comply with the provisions for alterations, repairs, additions, and changes of occupancy in the Windsor Heights Fire Code, Windsor Heights Plumbing Code, Windsor Heights Fuel Gas Code, Windsor Heights Property Maintenance and Housing Code, Windsor Heights Mechanical Code, Windsor Heights Electrical Code, Windsor Heights Energy Code, Windsor Heights Residential Code and the Windsor Heights Zoning Code. The provisions of this code shall not be deemed to nullify or lessen any provisions of local, State or federal law.