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HomeMy WebLinkAbout191 - 12/04/1986 - AMENDING CITY CODE ADOPTING THE UNIFORM BUILDING CODE, 1986 EDITION, WITH AMENDMENTS ORDINANCE NO. 191 , 1986 OF THE COUNCIL OF THE CITY OF FORT COLLINS REPEALING CHAPTER 38 OF THE CODE OF THE CITY OF FORT COLLINS AND ADOPTING THE UNIFORM BUILDING CODE, 1985 EDITION, WITH AMENDMENTS BE IT ORDAINED BY THE COUNCIL OF THE CITY OF FORT COLLINS that Chapter 38 of the Code of the City of Fort Collins be repealed and readopted as follows: § 38-1 . Adoption of standards. Pursuant to the power and authority conferred upon the City Council of the City of Fort Collins, Colorado, by Part 2 of Article XVI of Title 31, Fort Collins, there is hereby adopted as the Building Code of the City of Fort Collins, by reference thereto, the Uniform Building Code, 1985 Edition, Volume I, published by the International Conference of Building Officials, 5360 South Workman Mill Road, Whittier, California, 90601, together with the Uniform Building Code Standards, 1985 Edition, all to have the same force and effect as if set forth herein in every particular. The subject matter of the adopted Codes includes comprehensive provisions and standards regulating the erection, construction, enlargement, alteration, repair, moving, removal , conversion, demolition, occupancy, equipment, use, height, area and maintenance of buildings and structures for the purpose of protecting the public health, safety and general welfare. § 38-2. Amendments and deletions to code. The Uniform Building Code, 1985 Edition, Volume I , hereby adopted is hereby amended and changed in the following respects: A. Section 204 is amended to read as follows: Section 204. (a) In order to determine the suitability of alternate materials or alternate methods of construction and to provide for reasonable interpretations of the provisions of this code, there shall be and is hereby created a Building Board of Appeals consisting of five (5) regular members and two (2) alternate members, three of whom are qualified by experience and training to pass upon matters pertaining to building construction. In addition to such members, the Building Official and the Chief of the Fire Prevention Bureau shall be ex officio members of the Board without vote. The Building Official shall act as Secretary of the Board. (b) The five (5) members of the Building Board of appeals shall be appointed by the City Council and shall serve for terms of four (4) years at the pleasure of the Council . Alternate members shall serve for terms of two (2) years. Members shall serve without pay. The appointment of any member may be terminated for no duties and for a cause. (c) Whenever the Building Official or other authorized representative of the City charged with the enforcement of building regulations, but specifically not to include the zoning laws of the City of Fort Collins, refuses to issue a building permit for the reason that the proposed building or structure does not comply with the building regulations of the City or when the holder of a permit previously issued, or any person desires relief from any decision of the Building Official related to the enforcement of this code, such person, permit holder, or permit applicant may file with the Building Board of Appeals a request for relief from the decision of the Building Official stating that the refusal to issue the building permit or such decision by the Building Official was based on an erroneous interpretation of the building regulations. The Building Board of Appeals shall hear and decide all appeals made to it and shall have the authority to direct the Building Official to issue such permit or rule in favor of the appellant when: the Board determines that the interpretation of the building regulations of the city by the Building Official was, in fact, erroneous, or when the Board determines that the alternate design, alternate materials and/or alternate methods of construction proposed by the appellant are, in fact, equivalent to those prescribed by the code considering a quality, strength, effectiveness, fire resistance, durability, safety and all other pertinent factors. (d) The Building Board of Appeals shall require that sufficient evidence or proof be submitted to substantiate any claims that may be made regarding the design, alternate materials or alternate methods. Unless specifically extended by the Board, the authorization for any variance shall be valid for not more than six (6) months from the date granted. (e) Persons desiring to appeal a decision of the Building Official to the Building Board of Appeals shall , at the time of making such appeal , pay to the Director of Finance a docket fee in the amount of fifty dollars ($50) . Written notice of hearings shall be given to all parties concerned at least three (3) days prior to the hearing or by mailing the same to such party's last known address by regular mail . The Board shall , from time to time, adopt such additional rules and regulations as it deems necessary and advisable for the conduct of its hearings and for carrying out the provisions hereof. (f) A quorum of three (3) members shall be necessary for any meeting of the Building Board of Appeals, and the affirmative vote of at least three (3) members shall be necessary to authorize any action of the Board. The Board may exercise -2- any power or perform any duty regardless of whether the number of qualified members appointed to the Board shall at any time be less than five (5) . (g) Nothing herein shall preclude the Building Official from convening the Board for purposes of ruling on clarification, intent, alternate methods and materials, the modifications related to the enforcement of this code. B. Section 304(b) is amended by adding the following after the first paragraph: EXCEPTIONS: 1 . After a plan review fee is collected as specified above for a building or structure to be constructed by a contractor licensed by this jurisdiction and plans are subsequently submitted for another essentially identical building or structure as determined by the building official , a complete plan review need not be performed on said subsequent plans. Such identical set of plans submitted for each permit shall be accompanied by a plan verification fee equal to one dollar ($1) per $1000 of valuation up to $100,000 of valuation plus $.50 per each additional $1000 of valuation or fraction thereof, thereafter. 2. When it is determined by the building official to be in the best interest of the public to maintain acceptable level of services, a plan review required herein may be performed by an approved private individual or firm qualified for such provided such individual or firm submits written proof of performance. A plan verification fee equal to $1.00 per $1000 of valuation up to $100,000 of valuation plus $.50 per each $1000 of valuation up to $100,000 of valuation plus $.50 per each $1000 of additional valuation or fraction thereof, thereafter shall accompany such plans submitted for purposes of each building permit. 3. Plans submitted for projects which do not involve significant structural work, electrical systems, plumbing structures, nor which exceed $3000 in valuation are exempt from the plan review fee as specified herein. C. Section 305 (e) is amended by deleting item #4. D. Section 307 is amended to read as follows: Section 307(a) . Use or Occupancy. No building or structure of Group A, E, I, H, B, or R occupancy 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 therefor as provided herein. -3- E. Table No. 3-A. Building Permit Fees, is amended as follows: TABLE NO.3-A --BUILDING PERMIT FEES TOTAL VALUATION FEE $1 .00 TO $500.00 $10.00 $501 .00 TO $2,000.00 $10.00 for the first $500.00 plus $1 .50 for each additional $100.00 or fraction thereof, to and including $2,000.00 $2,001 .00 to $25,000.00 $32.50 for the first $2,000.00 plus $6.00 for each additional $1,000.00 or fraction thereof, to and including $25,000.00 $25,001 .00 to $50,000.00 $170.50 for the first $25,00.00 plus $4.50 for each additional $1,000.00 or fraction thereof, to and including $100,000.00 $50,001 .00 to $100,000.00 $283.00 for the first $50,000.00 plus $3.00 for each additional $1,000.00 or fraction thereof, to and including $100,000.00 $100,001 .00 and up $433.00 for the first $100,000.00 plus $2.50 for each additional $1,000.00 or fraction thereof Other Inspections and Fees: 1 . Inspections outside of normal business hours . . . . .$30.00 per hour (minimum charge -- one hour) 2. Reinspection fee assessed under provisions of Section 305(g) . . . . . . . . . . . . . . . . . . . .$30.00 each 3. Inspections for which no fee is specifically indicated (minimum charge -- one-half hour) . . . . . . . . . . . $30.00 per hour 4. Additional plan review required by changes, additions or revisions to approved plans . . . . . . . . . . . . $30.00 per hour (minimum charge -- one-half hour) 5. The permit fees stated in the above table shall be increased thirty-five (35%) for those projects which also include the plumbing, electrical , and mechanical permits issued under single a combined permit. Such increase shall be considered to be full payment of permit fees described in other regulations adopted by this jurisdiction for issuance of individual plumbing, electrical , and mechanical permits. F. Section 407 is amended to read as follows: Section 407. FAMILY - An individual living alone or either one of the following groups living together as a single -4- housekeeping unit and sharing common living, sleeping, cooking and eating facilities: A. Any number of persons, related by blood, marriage, adoption or guardianship or other duly authorized custodial relationship, or B. Any unrelated group of persons consisting of: (1) Not more than three (3) persons, or (2) Not more than two (2) unrelated adults and their related children, if any. G. Section 503(d) . Exception No. 4 is amended to read as follows: Section 503(d) , Fire Ratings for Occupancy Separations. EXCEPTIONS. 4. The one-hour occupancy separation specified between a Group R, Division 3 and an M occupancy may be limited to installation of materials approved for one-hour, fire-resistive construction on the M occupancy side only, or the separation may be full , 45-minute, fire-resistive assembly. A tight-fitting, solid 1-3/8-inch thick wood door shall be permitted in the separation and fire dampers need not be required where ducts piercing the separation are entirely constructed of not less than 26 gauge galvanized steel and have no openings into the Group M Occupancy. H. Section 504(a) is amended to read as follows: Section 504 (a) General . Buildings shall adjoin or have access to a public space, yard or street on not less than one side. Required yards shall be permanently maintained. For the purpose of this section, the center line of an adjoining street or alley shall be considered an adjacent property line. Eaves over required windows shall be not less than 30 inches from the side and rear property lines. For eaves, see Section 1710. Lines which are established solely in order to delineate ownership of individual portions of a single building need not be considered as property lines for the purposes of this code, provided such building is entirely located on property which is under common ownership. -5- I . Section 508 is amended to read as follows: Section 508. Where one-hour fire-resistive construction throughout is required by this code, an approved automatic sprinkler system as specified in Chapter 38. , may be substituted, providing such system is not otherwise required throughout the building. EXCEPTION. An automatic sprinkler system when installed as an alternate to providing fire containment areas as specified in Chapter 38 may be used as a substitution for one-hour fire-resistive construction throughout. Any substitution permitted under this section shall not waive nor reduce required fire-resistive construction for occupancy separations ]Section 503(d) [, exterior wall protection due to proximity to property lines ] Section 504 ( b) [ , area separations ]Section 505(e)[, shaft enclosures ]Section 1706[, corridors ]Section 3305 (g) and (h) [, stair enclosures ]Section 3309[, exit passageways ]Section 3312(a) [, and type of construction separation ]Section 1701[ . J. Section 510(b) is amended to read as follows: Section 510 (b) Floors and Walls in Water Closet Compartment and showers. In other than dwelling units and private areas not available to the public, toilet room floors shall have a smooth, nonabsorbent surface such as sealed portland cement and concrete, glazed ceramic tile, approved synthetic sheet material , or other approved material which extends upward onto the walls at least 4 inches. Walls within toilet stool compartments and walls within 2 feet of the front and sides of urinals shall be similarly finished to a height of 4 feet above the floor and, except for structural elements, the materials used on such wall shall not be adversely affected by exposure to moisture or urine. In all occupancies, accessories such as grab bars, paper dispensers and soap dishes, etc. provided on or within walls, shall be installed and sealed to protect structural elements from moisture. Showers in all occupancies shall be finished as specified above to a height of not less than 70 inches above the drain inlet. Materials other than structural elements used in such walls shall be of a type which is not adversely affected by moisture. K. Section 511 (b) (1) is amended to read as follows: Section 511 (b) Access to Lavatories, Mirrors and Towel Fixtures. -6- 1 . Except for the projection of bowls and waste piping, a clear unobstructed space 30 inches wide, 30 inches high, and 17 inches deep shall be provided under at least one lavatory. Exposed water lines and waste piping serving such lavatories shall be insulated when such exposed surfaces are likely to reach temperatures sufficient to inflict, injury to individuals with sensory limitations. L. Section 511(d) is amended to read as follows: Section 511(d) Telephones. Where public telephones are provided, at least one shall be installed so that the handset, dial and coin receiver are within 48 inches of the floor. Unobstructed access within 12 inches of the telephone shall be provided. Such access shall be not less than 30 inches in width. M. Table No. 5-A. Wall and Opening Protection of Occupancies Based on Location on Property, is amended as follows: The "Fire Resistance of Exterior Walls" column entry for "Group B,Division 1 and 2" occupancies shall read as follows: one hour less than ten feet The "Fire Resistance of Exterior Walls" column entry for Group A, Division 3 occupancies shall read as follows: Two hours less than five feet, one hour less than twenty feet N. Section 605 is amended by rewording the third paragraph to read as follows: "Public toilet facilities and drinking fountains shall be provided as specified by the Colorado Department of Health." 0. Section 705 is amended by deleting the first and second sentences of the fourth paragraph and adding the following: "Every building which is occupied by workers or customers shall be provided with toilet facilities specified by the Colorado Department of Health, but in no case less than one stool and lavatory. " P. Section 805 is amended by deleting the second, third, and fourth paragraphs and adding the following: "Toilet facilities and drinking fountains shall be provided as specified by the Colorado Department of Health. " Q. Section 905 is amended by deleting the fourth paragraph and adding the following: -7- "Toilet facilities shall be provided as required in Section 705. " R. Section 1005 is amended by inserting after the first paragraph a new paragraph to read as follows: "Toilet facilities shall be provided a specified by the Colorado Department of Health." S. Section 1204 is amended to read as follows: Section 1204. Stairs, exits and smokeproof enclosures shall be as specified in Chapter 33. Every sleeping room below the fourth story and every basement within an individual dwelling unit shall have at least one openable window or exterior door approved for emergency escape or rescue. Such windows or doors shall be openable from the inside without the use of separate tools or special knowledge other than that required for normal opening operation. All escape or rescue windows shall have a minimum net clear opening of 5.7 square feet. The minimum net clear opening height dimension shall be 24 inches. The minimum net clear opening width dimension shall be 20 inches. Such windows shall not be more than 48 inches above the finished floor to the clear opening. Bars, grilles, grates or similar devices may be installed on an emergency escape or rescue windows or doors, provided: 1. Such devices are equipped with approved release mechanisms which are openable from the inside without the use of a key or special knowledge or effort; and 2. The building is equipped with smoke detectors installed in accordance with Section 1210. T. Section 1205(a) is amended to read as follows: Section 1205(a) Light and Ventilation. All guest rooms, dormitories, and habitable rooms within a dwelling unit shall be provided with natural light by means of exterior glazed openings with an area not less than one-twentieth (1/20) of the floor area of such rooms with a minimum of 5 square feet. All bathrooms, water closet compartments, laundry rooms and similar rooms shall be provided with natural ventilation by means of openable exterior openings with an area not less than one-twentieth (1/20) of the floor area of such rooms with a minimum of 1-1/2 square feet. -8- EXCEPTION: Artificial light may be substituted for natural light for all habitable rooms in basements other than sleeping rooms provided such rooms do not constitute a basement dwelling unit. All guest rooms, dormitories and habitable rooms within a dwelling unit shall be provided with natural ventilation by means of openable exterior openings with an area of not less than one-fortieth (1/40) of the floor area of such rooms with a minimum of 2-1/2 square feet. EXCEPTION: The area of openable exterior openings for the purpose of natural ventilation may be decreased to one percent (1%) of the floor area of all habitable rooms with exterior walls in basements, other than sleeping rooms provided such rooms do not constitute a basement dwelling unit. In lieu of required exterior openings for natural ventilation, a mechanical ventilating system may be provided. Such system shall be capable of providing two air changes per hour in all guest rooms, dormitories, habitable rooms and in public corridors. One fifth of the air supply shall be taken from the outside. In bathrooms, water closet compartments, laundry rooms and similar rooms a mechanical ventilation system connected directly to the outside, capable of providing five air changes per hour, shall be provided. For the purpose of determining light and ventilation requirements, any room may be considered as a portion of an adjoining room when one half of the area of the common wall is open and unobstructed and provides an opening of not less than one tenth of the floor area of the interior room or 25 square feet, whichever is greater. Required exterior openings for natural light and ventilation shall open directly onto a street or public alley or a yard or court located on the same lot as the building. EXCEPTION: 1 . Required windows may open into a roofed porch where the porch: (a) Abuts a street, yard or court; and (b) Has a ceiling height of not less than 7 feet; and (c) Has the longer side at least 65 percent open and unobstructed. EXCEPTION: 2. Light and ventilation for an interior room may be supplied from an adjoining exterior room provided the following conditions are met: (a) The common wall is provided with openable interior openings with an aggregate area of not less than one-twentieth of the floor area of the interior room. -9- (b) The adjoining exterior room has openable exterior openings for light and ventilation as required in this section, plus additional such openings not less in area than twice the amount required for the interior room. U. Section 1207(a) is amended by the addition thereto of an exception following the last paragraph thereof to read as follows: EXCEPTION: A habitable basement room which is accessory to a dwelling unit located above may have a ceiling height of 84 inches as measured from the floor to finish ceiling. Projections from such ceiling for beams, piping, and ducts shall not reduce the ceiling height to less than 78 inches. V. Section 1210(a) is amended by the deletion therefrom of the second paragraph and substitution therefor of the following: When one or more sleeping rooms are added or created in existing Group R, Division 3 Occupancies, the entire building shall be provided with smoke detectors located as required for new Group R, Division 3 Occupancies described herein. W. Section 1213 is amended by the deletion therefrom of the first paragraph and substitution therefor of the following: Group R, Division 1 Occupancies shall be provided with dwelling units or guest rooms accessible to the physically handicapped as specified in 1973 Colorado Revised Statutes, Title 9 Article 5, Section 101 et seq. X. Section 1703 is amended by the addition thereto of two exceptions following the last paragraph thereof to read as follows: EXCEPTION: 1 . Such enclosures need not be provided in individual dwelling units of Group R, Division 1, Occupancies when each dwelling unit is separated by one-hour, fire-resistive construction. 2. Such enclosures need not be provided when such useable space is protected by a fire-extinguishing in accordance with Chapter 38 or Chapter 13 of this code, whichever is applicable. Y. Section 1706. (a) is amended by adding an exception as follows: "9. Concealed laundry chutes in dwelling units need not be enclosed as specified above provided all of the following conditions are met: i . The chute is no more than 4 square feet in cross-sectional area, and -10- ii . The chute is constructed of not less than No. 26 gauge, corrosion-resistant sheet steel , and iii . Openings are protected with self-closing doors constructed in accordance with Section 2516. (f)5, and iv. The chute does not pass through more than two floors." Z. Section 1712(a) is amended by the deletion therefrom of the first paragraph and substitution therefor of the following: Section 1712(a) General . The provisions of this section shall govern the requirements and uses of foam plastics in buildings and structures other than when used in materials for trim, floor coverings, furnishings, and similar applications. AA. Section 1716(4) is amended by the addition thereto of an exception to read as follows: 4. Mezzanines located within individual dwelling units may be enclosed. BB. Section 1716 is amended by the addition thereto of a paragraph following the last paragraph thereof to read as follows: 7. Mezzanines which are devoted entirely to storage or other non-occupied use and mezzanines located within individual dwelling units which are less than 70 square feet in floor area may be served by a permanently installed ladder capable of supporting all potentially imposed loads. CC. Section 1807(a) is amended to read as follows: Section 1807(a) Scope. This section shall apply to all Group B, Division 2 office buildings and Group R, Division I. Occupancies, each having floors used for human occupancy located more than 75 feet above the lowest level of fire department vehicle access. Such buildings shall be provided with an approved automatic sprinkler system in accordance with Section 3802(b)l .a and Section 1807(c) . DD. Section 1807(c) is amended by the deletion therefrom of the first paragraph and substitution therefor of the following: Section 1807(c) Automatic Sprinkler System. The automatic sprinkler system required in subsection (a) shall be provided throughout the building. The sprinkler shall be designed using the parameters set forth in Uniform Building Code Standard No. 38-1 and the following: -11- EE. Section 1807 is amended by deleting subsection (1) and the wording thereof. FF. Section 2305(d) is amended by the deletion therefrom of the second paragraph and substitution therefor of the following: Potential accumulation of snow at valleys, parapets, roof structures and offsets in roofs of uneven configuration shall be considered. Design snowload shall be thirty (30) pounds per square foot. GG. Section 2311(b) is amended to read as follows: Section 2311(b) Basic Wind Speed. The minimum basic wind speed for determining design wind pressure shall be 100 miles per hour. HH. Section 2517(h)6 is amended to read as follows: Section 2517(h)6. Blocking. Roof rafters and ceiling joists shall be supported laterally to prevent rotation and lateral displacement when required by Section 2506(g) . Roof trusses shall be supported laterally to prevent rotation and lateral displacement. II. Section 2903. (a) is amended by replacing the first and second sentences of the second paragraph with the following: "Cut slopes for permanent excavations shall not be steeper than 2 horizontal to 1 vertical , and slopes for permanent fills shall not be steeper than 2 horizontal to 1 vertical unless substantiating data justifying steeper slopes is submitted." JJ. Section 2907 (b) is amended by adding an exception as follows: "3. An addition to single family dwelling may be supported on a concrete grade beam, eight inches wide that extends thirty inches below grade and is reinforced with one number four bar located not less than three (3) inches nor more than six (6) inches from the top and one number four bar located not less than three (3) inches nor more than six (6) inches from the bottom. Such grade beam shall support no more than a roof load with a clear span of said roof not exceeding twenty-six (26) feet, or support a combined roof and a floor load with a span of said roof or floor not exceeding sixteen (16) feet. " Section 2907 is amended by deleting subsection "(d)" and recognizing the remaining subsections accordingly. -12- KK. Table 29-A, Foundations for Stud Bearing Walls - Minimum Requirements, is amended to read as follows: TABLE NO. 29A FOUNDATION FOR STUD BEARING WALLS - MINIMUM REQUIREMENTSS UNDER CONDITIONS NOT REQUIRING SPECIAL DESIGN DEPTH OF6 FOUNDATION BELOW THICKNESS OF NATURAL FOUNDATION SURFACE WALL (INCHES) OF # OF GROUND FLOORS AND SUPPORTED UNIT HEIGHT WIDTH THICKNESS FINISH BY THE MASONRY OF WALL FOOTING OF FOOTING GRADE FOUNDATION CONCRETE (NOMINAL) (IN FEET) (INCHES) (INCHES) (INCHES) 1 5-1/2 62 3 OR LESS3 16 8 30 7-1/2 82 3-94 2 Same as Same as Same as 20 10 30 required required required for 1 for 1 for 1 story story story 3 9-1/2 10 Same as 24 12 30 required for 1 story Footnotes: 1 . Foundations may also support a roof. A foundation supporting a roof only shall be considered as supporting one floor. 2. The minimum reinforcement for masonry foundations shall be as follows: a) Foundation walls shall be reinforced with #4 vertical bars spaced a maximum of four feet (4' ) on center. Vertical bars shall be bent so as to form a minimum horizontal extension of six inches (6") imbedded a minimum of 3 inches below top of footing. All cells containing the vertical reinforcement shall be filled solidly with grout. -13- b) Horizontal reinforcement shall consist of approved wire reinforcement with a minimum of 9 gauge side and cross runs. Such reinforcement shall be laid continuously in alternate bed joints. c) The top course of foundation walls shall be a bond beam course. Bond beam courses for walls three feet (3' ) or less in height shall be reinforced with one #4 bar. Bond beam courses for walls three (3' ) to nine feet (9' ) in height shall be reinforced with two #4 bars. Vertical bars shall be tied to the bond beam longitudinal bars. 3. Concrete foundation walls three feet (3' ) or less in height shall be reinforced with one (1) #4 bar located not less than three inches (3") nor more than six inches (6") from the top of the wall and one (1) #4 bar located not less than three inches (3") nor more than six inches (6") from the bottom of the wall . The bars shall be centered within the width of the wall . 4. Concrete foundation walls three feet (3') to nine feet (9' ) in height shall be reinforced with two #4 bars located not less than three inches (3") nor more than six inches (6") from the top of the wall and two (2) #4 bars located not less than three inches (3") nor more than six inches (6") from the bottom of the wall . The bars shall be placed not less than one and one-half inches (1-112") from the vertical edges of the wall . 5. Minimum requirements for normal conditions. Foundations subject to excessive surcharge loads or lateral pressures created by unstable soil or ground water conditions or where expansive soil swelling pressures exceed 500 pounds per square foot, shall be designed by an engineer licensed in this state to practice as such in accordance with Section 2905. 6. The ground in an under-floor space may be excavated to the elevation of the top of the footing. LL. Section 3203(d)3 B. is amended by the addition thereto of a third paragraph to read as follows: Asphalt shingles shall be of an interlocking or self-sealing type or shall be sealed down with an approved material . MM. Section 3203(d)3 H. is amended to read as follows: H. Wood Shakes. Shakes shall be applied over solid sheathing. Shakes shall be applied over an underlayment of not less than Type 15 felt with not less than 18-inch-wide strips of not less than Type 30 felt shingled between each course in such a manner that no felt is exposed to the weather below the shake butts, or shall be applied over an -14- underlayment consisting of not less than two layers of Type 30 felt applied shingle fashion. Shakes shall be laid with a side lap of not less than 1-1/2 inches between joints in adjacent courses. Spacing between shakes shall not be less than 1/4 inch nor more than 5/8 inch. Shakes shall be fastened to the sheathing with two nails positioned approximately 1 inch from each edge and approximately 2 inches above the exposure line. The starter course at the eaves shall be doubled. The bottom or first layer may be either shakes or shingles. Fifteen-inch or eighteen-inch shakes may be used for the final course at the ridge. Weather exposure shall not exceed those set forth in Table No. 32-A. Hip and ridge weather exposure shall not exceed those permitted for the field of the roof. NN. Section 3304(c) is amended to read as follows: (c) Type of Lock or Latch. Exit doors shall be openable from the inside without the use of a key or any special knowledge or effort and require no more than one operation for opening at all times the building or room served is occupied. Manually operated edge - or surfaced-mounted flush bolts and surface bolts are prohibited except as otherwise stated below. Approved automatic flush bolts and may be used provided the door leaf having such devices has no knob, handle, push bar or similar hardware. EXCEPTIONS: 1 . Exit doors serving individual dwelling units need not comply with this section. 2. All exterior exit doors from buildings or portions thereof with an occupant load of ten or less and the main exit doors from Group B occupancies other than drinking and dining establishments, may have one key-operated locking bot or an approved device that will be readily distinguishable as being locked or unlocked, provided there is a readily visible durable sign on or adjacent to the door stating "This door must remain unlocked during business hours" The sign shall be in letters not less than 1-inch high on a contrasting background. 3. Exit doors from buildings or rooms having an occupant load of 10 or less may have a night latch dead bolt, security chain, or other security a device which can be -15- readily inactivated provided a sign conforming to "exception 2" above is posted. 4. One leaf of a pair of exterior doors or one leaf of a pair of doors which serve a single tenant space, may be inactivated with manual edge or surface bolts provided such doors serve only those buildings or portions thereof having an occupant load of ten or less, or serve Group B occupancies having an occupant load of less than 50. In addition, the inactivated leaf shall not have any knob, handle, push bar, or similar hardware and the leaf shall be clearly identified as not being usable for exit purposes. No door leaf that is required for exit width shall be inactivated. The use of this exception may be revoked by the building official for due cause. 00. Section 3304(j) is amended by the addition thereto of a second exception to read as follows: 2. Doors which are provided for access only and are not required for exit purposes need not conform to this chapter, provided such doors are not identifiable as exits. PP. Section 3305 (g) is amended by rewording "exception 5. " to read as follows: "5. Corridor walls and ceilings need not be of fire-resistive construction as specified herein within Group B occupancies provided all the following conditions are met: i . The building does not exceed three stories in height, and ii . The building is protected by an approved automatic sprinkler system throughout, and, iii . An approved automatic evacuation alarm, which is activated by operation of the sprinkler system, is installed throughout. " QQ. Section 3306. (b) is amended by adding an exception to the first paragraph to read as follows: "Exception. Private stairways serving an occupant load of less than 10 may be no less than 30 inches in width. " RR. Section 3307. (b) is amended by rewording as follows: "(b) Width. The required width shall be as required for stairways, except that when required by Table 33-A for accessibility to physically handicapped individuals, the minimum width shall be 36 inches. " -16- SS. Section 3313. (b) is amended by deleting the words "the following:" and items "A" through "C" of the last sentence of the first paragraph and substituting the following: "fifty (50) ." TT. Section 3313(b)2 is amended by the deletion therefrom of items A through E and the substitution therefor of the following: one hundred (100) . EXCEPTION: Group A Division 4 occupancies and churches with an occupant load less than five hundred (500) . UU. Section 3402 is amended by deleting the last sentence to the first paragraph and adding the following: "Annealed and ordinary glass shall be protected by screens as specified in Section 3403. " VV. Section 3403 is amended by replacing the third sentence of the _ first paragraph with the following: "The screens shall be substantially supported below the skylight." WW. Section 3403 is amended by deleting the last sentence of the first paragraph and adding the following: "When multiple-layer glazing systems are used and the layer facing the interior is laminated, wired, or tempered glass, a protective screen need not be installed below the skylight. " XX. Section 3703(f) is amended by the deletion therefrom of the second paragraph and the substitution therefor of the following: All incinerator chimneys and chimneys and vents for fireplaces, stoves and other solid-fuel burning appliances shall terminate in a spark arrestor approved for the use. YY. Section 3801(c) is amended by the addition thereto in alphabetical sequence of the definition of "Fire Containment Area" to read as follows: FIRE CONTAINMENT AREA is a portion of a story or basement which is totally enclosed by a smoke and draft barrier of openings penetrating such fire-containment areas shall be protected by a tight-fitting, smoke-and draft control assembly as specified in Section 3305(h)l except that such doors shall be automatic closing by actuation of a smoke detector in accordance with Section 4306(b) . Openings other than doors and ducts shall be protected as specified in Section 3305(h)2. and shall be limited to a maximum of 25 -17- percent of any one wall . All duct penetrations shall be protected by dampers as specified in Section 4306 except that such dampers shall be automatic closing by actuation of a smoke detector. ZZ. Section 3802(b) is amended by the addition thereto in numerical sequence of two subsections to read as follows: 1 . In all buildings which are not divided into fire containment areas as specified in Table 38-B. 2. In all buildings which are 4 stories and above, or more than 55 feet in height. AAA. Section 3802(b)3 is amended by the addition thereto of the following exception after the first paragraph thereof to read as follows: EXCEPTION: An automatic fire-extinguishing system shall not be required in a Group R, Division 1 basement, provided that the following conditions exist: 1. The basement area is accessory to and incorporated within an individual dwelling unit. 2. The individual basement area does not exceed 1500 square feet of floor area. 3. Individual dwelling unit is separated by one-hour fire resistive construction. BBB. Table 38-B Maximum Allowable Fire-Containment Area, is added to read as follows: TABLE 38-B MAXIMUM ALLOWABLE FIRE-CONTAINMENT AREA (IN SQUARE FEET) Occupancy Types of Construction I II III IV V F.R. R.R. 1 HR. N 1 HR. N H.T. 1 HR. N A) 1 10,000 10,000 ----------NOT PERMITTED-------------------- A) 2-2.1 10,000 10,000 51000 N.P. 5,000 N.P. 59000 51000 N.P. A) 3-4 10,000 109000 51000 5,000 51000 5,000 5,000 51000 5,000 B) 1-2-3 10,000 10,000 7,000 5,000 7,000 5,000 7,000 71000 5,000 B) 4 20,000 20,000 10,000 71000 10,000 7,000 10,000 10,000 51000 E 10,000 10,000 7,000 5,000 7,000 5,000 71000 7,000 5,000 R) 1 10,000 10,000 5,000 5,000 5,000 51000 5,000 5,000 51000 H) 4 10,000 10,000 7,000 5,000 7,000 5,000 7,000 71000 51000 -1a- CCC. Chapter 51 is amended by adding a new subsection to read as follows: "Emergency Operation Section 5107. (a) . For purposes of this subsection, reference to "ANSI Code: is the "ANSI/ASME A17.1 Code --1981 Safety Code for Elevators and Escalators, published by the American Society of Mechanical Engineers." (b) Commandeering Switch. In other than dwelling units, all elevators shall be provided with emergency recall switches near their entrances on main floors of each building and in the cars as specified in "Section 211 .3(a) ." of the ANSI Code." "(c) Smoke Detection. Smoke detectors and automatic return shall be provided as specified in "Section 211 .3(a)" of the ANSI Code. " "(d) Emergency Operation Keys. Keys for emergency operation shall be provided as specified in "Section 211 .3(a)" of the ANSI Code. " DOD. Section 5207(a)6 is amended by the addition thereto of the following exception #2 to read as follows: 2. In Group R, Division 1, apartment house and Division 3 Occupancies, the minimum separation may be 18 inches." EEE. Section 5207(a)7 is amended by the addition thereto of the following exception to read as follows: EXCEPTION: In Group R, Division 1 Apartment House and Division 3 Occupancies, skylights may be installed to a point not less than five feet from an exterior wall located where openings in such exterior wall are either prohibited or required to be protected. FFF. Section 5406(d) is amended by the addition thereto of the following exception #5 to read as follows: 5. Glazing in walls adjacent to tubs and showers provided one of the following conditions are met: i . Glazed openings with the minimum sill height of 48 inches above the drain inlet of the tub and/or shower. ii . Glazing within the vertical plane that is located a minimum distance of 24 inches from any point to the nearest interior tub surface, measured horizontally. iii . Glazing with the minimum total combined measurement of 48 inches using the sum of the vertical distance measured above the drain and the horizontal distance measured from the nearest interior surface of the tub or shower to the glazing. -19- GGG. The appendix to Chapter 11 is adopted and amended by adding an exception at the end of Item 4 of Section 1107 to read as follows: EXCEPTION: Greenhouses and similar structures attached to Group R occupancies for the purpose of providing light and ventilation and do not exceed 25% of the floor area of the dwelling unit may be classified as Group R occupancies. HHH. The appendices relating to Chapters 7, 49 and 55 are hereby adopted by reference thereto as appendices to the Building Code of the City of Fort Collins. III . Chapter 53 of the "Appendix" is adopted and amended by deleting the last two words, "dated 1983. ", and inserting, "1986 Edition", after "Model Energy Code", contained in Section 5301(b) . Add subsection "(c)" to read as follows: "(c) Alternate Provisions. In lieu of providing calculations to verify compliance with the requirements in the above standards for buildings identified as "Type A-1 and Type A-2" _ residential buildings, the following provisions shall be considered as acceptable practice: 1. All walls forming the exterior thermal envelope above grade of any such buildings shall be insulated with approved insulation having a minimum "R-value" of eleven (11) . EXCEPTION: For purposes of the above requirement, foundation walls need not be insulated, provided all floors adjacent to the exterior thermal envelope of such buildings are insulated with approved insulation having an "R-value" of eleven (11) . 2. All walls forming the exterior thermal envelope below grade of such buildings shall be insulated with approved insulation having a minimum "R-value" of five (5) to a maximum depth of 48 inches. 3. All roofs and roof/ceiling assemblies forming the exterior thermal envelope of such buildings shall be insulated with approved insulation having a minimum "R-value" of twenty-two (22) . Openings in such roofs shall be limited to double-glazed skylights and necessary mechanical and plumbing vents, which in total do not exceed five (5) percent of the total roof area. 4. Slab-on-grade construction shall have insulation with a minimum "R-value" of seven (7) that extends twenty-four (24) inches below grade at the perimeter of the building. -20- 5. All exterior windows shall be double-glazed. The total area of all such windows and doors shall not exceed fifteen (15) percent of the total exterior wall area. Such windows and doors shall have maximum air infiltration rates as follows: windows. . . .0.34 cfm per foot of operable sash crack doors. . . . . .0.50 cfm per square foot of door area 6. Infiltration of air into the building shall be restricted by sealing all exterior joints in the building thermal envelope that are sources of air leakage, such as around door and window frames, between walls and foundations, between walls and roof/ceilings or floor/ceilings, penetrations for utilities, and all other such openings in the exterior envelope shall be caulked, gasketed, weather stripped or otherwise sealed in an approved manner. 7. HVAC systems utilizing new energy sources as defined in the standard referenced above, shall meet the performance requirements as specified in Section 503.4 of said standard. § 38-3. Definitions. The following terms, as used in the Uniform Building Code, shall have the meanings indicated: BUILDING OFFICIAL - Such term shall be synonymous with Chief Building Official and Director of Building Inspection. THIS JURISDICTION, MUNICIPALITY OR CITY - The City of Fort Collins. § 38-4. Violations and penalties. The following section of the Uniform Building Code contains a penalty clause, which is herewith set forth in full as required by Part 2, Article XVI, Title 31, of the Colorado Revised Statutes, 1973, and Article II, Section 7, of the Charter of the City of Fort Collins: 205. 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 in the city or cause the same to be done contrary to or in violation of any of the provisions of this code. Any person, firm or corporation violating any of the provisions of this code shall be deemed guilty of a misdemeanor, and each such person shall be deemed guilty of a separate offense for each and every day or portion thereof during which any violation of any of the provisions of this code is committed or permitted, and upon conviction of any such violation, such person shall be punishable by a fine of not more than three hundred -21- dollars ($300) or by imprisonment for not more than ninety (90) days, or by both such fine and imprisonment. § 38-5. Copies of Code on file; sale. At least three (3) copies of the Uniform Building Code, 1985 Edition, Volume I, and the Uniform Building Code Standards, 1985 Edition, shall be on file in the Office of the City Clerk of the City of Fort Collins, Colorado, at least fifteen (15) days preceding the date set for hearing, and may be inspected by any interested persons during normal business hours. Introduced, considered favorably on first reading, and ordered published in summary form this 18th day of November, A.D. 1986, and to be presented for final passage on the 4th day of December, A.D. 1986. oe Aylv Mayor ATTEST: 7J�a,�taM S _ City Clerk Passed -d adopted on final reading this 4th day of December, A.D. 1986. Mayor ATTEST: City Clerk -22-