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<br />,. <br /> <br />Bond Iron <br /> <br />SECTION 35. Bond iron at least three inches by one quarter inoh shall <br />be .. :bec1dec1 in the oenter of the wall at each tier of floor or oeiling <br />joists of all Class !lC" buildings and run around the entire walla of <br />the building. It must be look jointed and anchored at eaeh angle. <br /> <br />. <br />except for posts in the top story, which ehall not be of smaller sectional <br />a,rea than 6!~ 5quare inches, nor be Ieee than eight inches in either <br />dimension. All oolurrne shall be squared at right angles to their axie. <br /> <br />Wood poets shall have caet iron or steel caps or boxes eo oonstruoted <br /> <br />as to form a base for the next poet above. The ends of the girders shall <br />be secrued to the oap or box in such a manner as to be eelf releasing. <br /> <br />Other tJimber,\detai18 shall be as required for buildings of Class "0". <br /> <br />Cast iron ool~~B and steel columns, girders and beams may be used if <br /> <br />fire proofed~d oonstructed as required for ClaSB "A". All steel beams <br /> <br />er girders shall be at least eight inches deep. <br />Floors <br /> <br />SECTION 38. The lower floor 'may be of concrete if built direotly on the <br /> <br />17 <br />