1927 086 Ordinance - Laserfiche WebLink

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'Sec.86. STONE. Stone herein reierred to is the best quality of building sand- stone of comrr-erce, quarried in the vicinity of Clevland: Any other building stone equally as strong and durable may also be used. . ' Stone used for makixg concrete for foundations must bd clean and free frorn -'dirt a,nd dust, and must be broken so as to pasg its maximum dimension tllrough a two- inch ring, or a three-four-ths-inch rirg if.used for fireproofir?, or floor construct- ion. . . ` , . . ? Sec.87. SAND. The sand used shall be clean, coarse, sharp, natural sand, pre- ferably, a mixture of coar_se and fine grains, with the coarse grains predominating. The maximum percentage of clay or loam sha11 not exceed'five (5) per cent; and at least sixty (60) per cent shall be retained on a'fifty (50).mesYi sieve: Sec.88..LINlE. The fresh burnd.d quick lime of co2nmerce, or a hydrated lime as now manufactured by lime manufacturer5. Sec.89. CIIMT. Only 2ortland cemen.t shall be used which'con.forms to the stan- dard specifications of the American Societg for Testing Materials. All cement shall be tested'in lots of no-t more than one (1) car load and must be used within a period: oY sixty'days from date of such test. "The Trispector of Bui1d- ings may at any tirne demand that certified copies of all test records be submitted for examination., SQc,90. Y_,ORTARS. (a) Lime liortar. A mixture of one part of unslaked lime and five.parts.o£ sand wi11 constitute a properly proportioned lime mortar. The fresh burned lime is firet to be'slaked and the paste,must be a13oived to stand at least two (2) days before-being mixed into mortar. , (b) Lime Ceraent I-Tortar. g mortar'made of equal parts of unslaked lime and Portland cement with not less than one (1) part lime and one (1) part cement to sePen (?) Parte sando , - ' (c) Cement Yiortar. A mixture of not less than one (1) part of Portlan,d ce- ment to three (3) parts sand. Sec.91. TEMI COTTA..,Terra Cotta used for.w?.ll facings, either plain or orna- mental,, shall be, we11 burned, .and suffieiently stiffened vaith webs .to keet it out of wind. , . ' TITLE III-CALCULATION OF STRESSES Sec.92... CAI,CITI?ATION OF CONSTRUCTION. The stresses used in m?.terials hereaf- ter to be used in constru.ction shall be the aalculated st-resses due to,treir "dead load" plus the applied -"live load." The alloEVable fac,torB or unit s- of safety or the dimensions of each piece or coinbination of materials required in building or struct- ure, if izot given in this Code shall be ascertained by computation, according to the rizles prescribed by the standard modern authorities on strength of iraterials, applied mechanics and engineering practice, provided, tnat the Inspector may and in cases of trasses, or reinforced concrete buildings,two (2) or more stories Yiigh shall require the ocqner or arenitect to submit a certifiecl copy of such computation or strain sheets ? for examination and approval with the application for the building permit. Sec.93... FRAIdQNG OF STRUCTiTRES. All framing of beams; girders, - columns, trus- ses and other structural members shall be proportioned of sufficient strength to ? sustain the load'equal to the end reactioa of the members supported when supporting its maximam load. In all cases suitable provision shall be made to talce up and properly distribute the stresses due to eccentric loading and also to prevent danger