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<br />, <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />t".U4/Ub <br /> <br />tti't <br />1/(j <br />I <br />I <br />! <br />I <br />! <br />i <br />, <br />. <br />I <br />! <br />i <br />i <br />! <br />, <br />.1 <br />, <br />! <br />i <br />! <br />I <br />I <br /> <br />MN SLDG cuu~~ ~ ~IV~ <br /> <br />~aX:b~l-~~(-l~(~ <br /> <br />::;ep l~ '~':J <br /> <br />ts:~':J <br /> <br />Department or Adminisltation 2 NCAR @ 1.10111 <br /> <br />open frame towers incJudil1& all supporting g\lYs. This effeet ~iii\ incluele the <br />weicht of the ice &Del the increaseel pro{iJe of each such tower component so <br />c:oeteel. <br /> <br />~ 2312(0) of th. UBC Is omended to read as follows: <br /> <br />UBC !l 2312(8) General. For the purpose of the Code this State ,hall be <br />considered to be:: in Zone "0", No Damage Are.a. Every building or structure <br />and ev~ry portion thereof shall be designed and constructed to resist stresses <br />produced by lateral forl:ts as provid.ed in [his Section. Stresses shall becalcu- <br />lated as lhe effect of 8 force applied horuontally al each floor or roof level <br />above lhe base, The Force shall be assumed to come from any hori~ontal <br />direction. <br /> <br />Structural concepts other than set forth in this section may be approved by <br />the Building Official when evidence is submitted showing the equivalent <br />ductility and energy absorption are provided, <br /> <br />Where prescribed wind loaus produce higher stresses. such loads ,hall be used <br />in lieu of the loads resulting from earthquake forces. <br /> <br />.,."t",:: I' <br /> <br />~ 1403(c,f is amended to read as follows: <br /> <br />~...- <br />UBe !i 240.1(<) Concrete Masonry Units. Con<r~te masonry units oiia.Il be <br />tlt" iJ t,.juality at leusl equal to the n:;quirement." st:l forth in U,B.C. Standard <br />No. 24-4 L\f No. 24-5 when used [or bearing walls or piers or when in contact <br />'Iolfith ground or expo!'Oed to thi.:; wr.:athe.r; or equallo the tequirerlle:nts set forth <br />in U.B.C. Stand.ard No. 24-6 when used for.nonbearing purposes and no"tex- <br />posr:u to tpe weathl::r. Solid uniu suhject ,~~_the ar,;:tionof weatht:t or soil sli'ii'l <br />he Grade 41.. Conerote masonry units ~ be test~d as set forth inU.B.C. <br />Standard No, 24-7. <br /> <br />Concrete masonry units used for walls below grade or fOT other uses as deteT- <br />mined by the designer.A'Ul. not De- subject to the moisture oontrol provisions <br />of Table 24-4-A of UBC Standard 24-4. <br /> <br />g 24~ i;';';;'';nd~d by the addition of paragraph (n)"';; l''''''''..'; <br /> <br />UBC ~ 24!-4(n) Alternate Design Method. The speeification for the De-- <br />sign and Construction of Load-Bearing Concrete Masonry 8th Printing May. <br />1978, published by the National Concrete Masonry Assoeiation may bb used <br />as an alternate design method providing the following conditiuns are satisfied. <br /> <br />I. The permit appliean t must inform the building official, in writing, that <br />the masonry design i$ based on the requirements of this subsection prior to <br />grunting of a building permit. <br /> <br />2. An outline of te.ting and field inspection scheduies and design caloula- <br />tionssigned by the responsible design professional shall be submitted to the <br />building official prior to granting of a building permit. <br /> <br />31 <br /> <br />, <br />'. <br />, <br />, <br />i <br />! <br />i <br />