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HomeMy WebLinkAboutORD806ORDINANCE NO.806 AN ORDINANCE OF THE MAYOR AND CITY COUNCIL OF THE CITY OF APACHE JUNCTION, ARIZONA,AMENDING THE APACHE JUNCTION CITY CODE,CHAPTER 7 BUILDING, PERTAINING TO BUILDING CODES AND CONSTRUCTION STANDARDS;ADOPTING CERTAIN CODES BY REFERENCE;REPEALING CONFLICTING PROVISIONS;PROVIDING FOR SEVERABILITY;PROVIDING PENALTIES;AND DECLARING AN EMERGENCY. BE IT ORDAINED BY THE MAYOR AND CITY COUNCIL OF THE CITY OF APACHE JUNCTION,ARIZONA,THAT: SECTION I IN GENERAL That Chapter 7 of the Apache Junction City Code be amended to read as follows: SECTION 7-1-2 BUILDING CODE;AMENDMENTS A.That certain publication entitled Uniform Building Code,1991 Edition,which was declared a public record by Resolution No.91- 38,save and except Section 1222 of Chapter 12,adopting the One and Two Family Dwelling Code,and Division III of Chapter 12,is hereby adopted by reference as the "Building Code of the City of Apache Junction,Arizona"and made a part of this chapter the same as though said publication was specifically set forth in full herein. B.Section 2407(i)(9)of the Uniform Building Code is amended as follows: UNBURNED CLAY MASONRY Section 2407(i)(9).(a).General.The use of unreinforced masonry of unburned clay units shall be limited to buildings of Group R Division 3 and Group M occupancies of no more than one (1)story in height,unless design and structural calculations are submitted by a registered architect or engineer and approved by the building official. (b).Walls.The height of every laterally unsupported wall of unburned clay units shall be not more than ten (10)times the thickness of such walls.Exterior walls,which are laterally supported with those supports located no more than twenty-four (24) feet apart,are allowed a minimum thickness of sixteen (16)inches. Interior walls are allowed a minimum thickness of twelve inches (12").Designed walls may be a minimum thickness of ten inches provided the h/t ratio of ten (10)is maintained. ORDINANCE NO.806 PAGE ONE OF SEVEN (c).Compressive Strength.The unit(s)shall have an average compressive strength of three hundred (300)pounds per square inch when tested in accordance with ASTM.C67.One sample out of five may have a compressive strength of not less than two hundred -fifty (250) pounds per square inch. (d).Modulus of Rupture.The unit shall average fifty (50)pounds per square inch in modulus of rupture when tested according to the following procedure: 1.A cured unit shall be laid over (cylindrical)supports two inches (2")in diameter,located two inches (2")from each end,and extending across the full width of the unit. 2.A cylinder two inches (2")in diameter shall be laid midway between and parallel to the supports. 3.Load shall be applied to the cylinder at the rate of five hundred (500)pounds per minute until rupture occurs. 4.The modulus of rupture is equal to 3WL/28d2 W =Load of rupture L =Distance between supports B =Width of brick d =Thickness of brick (e).Soil.The soil used shall contain not less than twenty-five (25)percent and not more than forty-five (45)percent of material passing a No.200 -mesh sieve.The soil shall contain sufficient clay to bind the particles together and shall not contain more than 0.2 percent of water soluble salts. (f).Classes of Adobe. (1)Treated Adobes.The term "treated"is defined to mean adobes made of soil to which certain admixtures are added in the manufacturing process in order to limit the adobe's water absorption in order for it to comply with paragraph (j)below.Exterior walls constructed of treated adobe require no additional protection. Stucco is not required. (2)Untreated Adobes.Untreated adobes are adobes which do not meet the water absorption specifications of paragraph (j)below. This shall hold even i f some water absorption protective agent has been added.The determination as to whether an adobe is treated or untreated is to test for compliance with paragraph (j)below. Exterior walls of untreated adobe are allowed but must comply with ORDINANCE NO.806 PAGE TWO OF SEVEN paragraph (1)requiring Portland cement plaster applied to the outside.Use of untreated adobes is prohibited within four inches (4")above the finished floor grade,unless an approved vapor barrier is used between wall and stem.Treated adobes may be used for the first four inches above finished floor grade,without a vapor barrier. (3)Other Types of Adobe.This chapter applies to construction with all types of adobe including rammed earth and poured earth adobe.The types of adobe shall meet the specifications in this chapter or similar specifications which are approved by the building official. (g).Mortar:Where treated adobe is required mortar shall be treated or may be Type M or S.Where adobes are allowed to be untreated any adobe mortar may be used and/or Type M,S or N. Mortar "bedding"joints shall be full SLUSH type,with partially open "head"joints allowable i f surface is to be plaster.All joints shall be bonded (overlapped)a minimum of four inches (4"). (h).Sampling.Each of the tests prescribed in this Section shall be applied to five sample units selected at random from each 5,000 bricks to be used. (i).Moisture Content.The moisture content of the unit shall be not more than four (4)percent of weight. (j).Absorption.A dried four inch (4")cube cut from a sample unit shall absorb not more than two and one-half percent moisture by weight when placed upon a constantly water saturated porus surface for seven (7)days. (k).Shrinkage Cracks.No units shall contain more than three shrinkage cracks,and no shrinkage crack shall exceed two inches (2")in length or one -eighth (1/8)inch in width. (1).Use.No adobe shall be laid in the wall for at least three (3)weeks after making,dependent on weather conditions. (m).Foundations.Adobes shall not be used for foundation or basement walls.All adobe walls,except as noted under Group M buildings,shall have a continuous concrete footing at least eight inches (8")thing and not less than two inches (2")wider on each side than the foundation stem walls above.All foundation walls which support abode units shall extend to an elevation not less than eight inches (8")above the finished grade. ORDINANCE NO.806 PAGE THREE OF SEVEN Foundation walls shall be at least as thick as the exterior as specified in Section 2405.(1).Where stem wall insulation is used,a variance is allowed for the stem wall width to be two inches (2")smaller than the width of the adobe wall i t supports. (n).Bond Beam.All exterior adobe walls shall have a continuous concrete bond beam with a minimum width of ten inches (10")and a minimum depth of ten inches (10").All concrete bond beams shall be reinforced with a minimum of two (2)No.4 reinforcing rods. (o).Plastering.All untreated adobe shall have all exterior walls plastered on the outside with Portland cement plaster, minimum thickness three -fourths inches (3/4")in accordance with Chapter 47. Protective coatings other than plaster are allowed,provided such coating is equivalent to Portland cement in protecting the untreated adobes against deterioration and/or loss of strength due to water. Metal wire mesh minimum 20 gauge by one inch (1")opening shall be securely attached to the exterior adobe wall surface by nails or staples with minimum penetration of one and one-half inches (1 1/2").Such mesh fasteners shall have a maximum spacing of sixteen inches (16")from each other.All exposed wood surfaces in adobe walls shall be treated with an approved wood preservative before the application of wire mesh. (p).Piers.A minimum twenty-eight inch (28")wall section shall be required between openings and openings shall not be placed within twenty-eight inches (28")of exterior corners. (q).Partitions of Wood.Shall be constructed as specified in Chapter 25,wood partitions shall be nailed to nailing blocks laid up in the adobe wall or bolted through the adobe wall the height of the partition,with one-half inch (1/2")DIAMETER bolts twenty-four inch (24")on center with large washers or plates,or other approved methods. (r).Wood Lintels.Wood lintels designed to support all imposed loads are permitted up to a maximum span of six feet (6')and shall have a minimum twelve inch (12")bearing. (s).Alternate methods to those provided in this section (Section 2405).may be approved pursuant to Section 105.of the Uniform building Code. (t).Stresses.All Masonry of unburned clay units shall be so constructed that the unit stresses do not exceed those set forth in Table No.24-H.Both values shall not exceed those set forth in Table No.24-L. ORDINANCE NO.806 PAGE FOUR OF SEVEN C.Section 404 is amended by adding the following definition: CARPORT is a building or portion thereof which is entirely open on two or more sides which is primarily designed for the storage and keeping of motor vehicles. D.Section 2622(a)is amended by deleting in its entirety the exception for the use of plain concrete for footings of Group R,Division 3 Occupancies constructed in accordance with Section 2517. E.Section 2907(a)by adding the following sentence at the end of the first paragraph: Footings shall be reinforced by a minimum of two #4 reinforcing steel deformed reinforcing steel columns. SECTION 7-1-3 BUILDING CODE STANDARDS That certain publication entitled Uniform Building Code Standards,1991 Edition,which was declared a public record by Resolution No.91-44,is hereby adopted as reference as the "Building Code Standards of the City of Apache Junction,Arizona"and made a part of this chapter the same as though said publication was specifically set forth in full herein. SECTION 7-1-4 FIRE CODE That certain publication entitled Uniform Fire Code,1991 Edition,which was declared a public record by Resolution No.91-39,is hereby adopted by reference as the "Fire Code of the City of Apache Junction,Arizona" and made a part of this chapter the same as though said publication was specifically set forth in full herein. SECTION 7-1-5 FIRE CODE STANDARDS That certain publication entitled Uniform Fire Code Standards,1991 Edition,which was declared a public record by Resolution No.91-47,is hereby adopted by reference as the "Fire Code Standards of the City of Apache Junction,Arizona"and made a part of this chapter the same as though said publication was specifically set forth in full herein. SECTION 7-1-6 ELECTRIC CODE That certain publication entitled National Electrical Code,1990 Edition, which was declared a public record by Resolution No.91-41,is hereby adopted by reference as the "Electrical Code of the City of Apache Junction,Arizona"and made a part of this chapter the same as though said publication was specifically set forth in full herein. ORDINANCE NO.806 PAGE FIVE OF SEVEN SECTION 7-1-7 PLUMBING CODE That certain publication entitled Uniform Plumbing Code,1991 Edition, which was declared a public record by Resolution No.91-42,is hereby adopted by reference as the "Plumbing Code of the City of Apache Junction, Arizona"and made a part of this chapter the same as though said publication was specifically set forth in full herein. SECTION 7-1-8 MECHANICAL CODE That certain publication entitled Uniform Mechanical Code,1991 Edition, which was declared a public record by Resolution No.91-46,is hereby adopted by reference as the "Mechanical Code of the City of Apache Junction,Arizona"and made a part of this chapter the same as though said publication was specifically set forth in full herein. SECTION 7-1-9 DANGEROUS BUILDING CODE That certain publication entitled Uniform Code for the Abatement of Dangerous Buildings,1991 Edition,which was declared a public record by Resolution No.91-43,is hereby adopted by reference as the "Dangerous Building Code of the City of Apache Junction,Arizona"and made a part of this chapter the same as though said publication was specifically set forth in full herein. SECTION 7-1-12 UNIFORM SIGN CODE That certain publication entitled Uniform Sign Code,1991 Edition,which was declared a public record by Resolution No.91-45,is hereby adopted by reference as the "Sign Code of the City of Apache Junction,Arizona"and made a part of this chapter the same as though said publication was specifically set forth in full herein. ARTICLE 7-2 PENALTIES Any person,firm or corporation,whether as principal,owner,agent, tenant,employee or otherwise,who violates any provision of this ordinance or of the codes adopted herein;or fails to comply with any order or regulation made hereunder,shall be guilty of a misdemeanor and upon conviction thereof shall be punished by a fine not to exceed Twenty- Five Hundred Dollars ($2,500.00)or by imprisonment for a period not to exceed six (6)months,or by both such fine and imprisonment.Each day that a violation continues shall be a separate offense punishable as hereinabove described. SECTION I I REPEAL OF CONFLICTING ORDINANCES Section 7-1-10 of Chapter 7 of the City Code of the City of Apache Junction,Arizona,adopting the "Code for Energy Conservation in New Building Construction,Second Printing"by reference is hereby repealed.Further,all ORDINANCE NO.806 PAGE SIX OF SEVEN ordinances and parts of ordinances in conflict with the provisions of this ordinance or any part of the codes adopted herein by reference are hereby repealed. SECTION III PROVIDING FOR SEVERABILITY I f any section,subsection,sentence,phrase,clause or portion of this ordinance or any part of the codes adopted herein by reference is for any reason held to be invalid or unconstitutional by the decision of any court of competent jurisdiction,such decision shall not affect the validity of the remaining portions thereof. SECTION IV DECLARATION OF EMERGENCY WHEREAS i t is necessary for the preservation of the peace,health and safety of the City of Apache Junction,Arizona,and for further reason that the codes adopted herein by reference may be immediately in force and effect within the limits of the City of Apache Junction,Arizona,an emergency is declared to exist,and this ordinance shall be effective upon its passage and adoption. PASSED AND ADOPTED by the Mayor and City Council of the City of Apache Junction,Arizona,this 1st day of October,1991. SIGNED AND ATTESTED to this 9th day of October,1991. ( ATTEST: THLEEN CONNELLY City Clg.rk AP GLVNN J.-GMBUT CiAy AttorOey ORDINANCE NO.806 PAGE SEVEN OF SEVEN THOMAS DAMIANO Mayor