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+Y�`� � <br /> � ,,�;, HIGHLIGHTS OF TI� LTNIFORM <br /> BUILDING CODE CIiANGES FOR 1991 <br /> `�� (As Applicable to Residential Constniction R-3 Occupancies) <br /> Y,. . <br /> Smoke Detectors-Section 1210 UBC <br /> "�ction 1210(al2 <br /> Addition�, alterations or repairs to Group R Occupanciu. When the valuation of an addiUon,altention or repa'v ezcecds <br /> 51,000 and a pemtit is required,or when one or more slceping rooms are added or crnted in ezisting Croup R Occupanciu, <br /> �moke detuWra shal!be installed in accordanco with Subsecdons 3,4&5 o[Section 1210 UBC. <br /> Section 1210(a)3 <br /> Power source. In new construction required smoke detectors shall receive their primary power fram the building <br /> wiring when such w:ring is served from a commercia(source and shall be eauioned with a batterv backup. <br /> The detector�all emit a si2nal when the batteries are tow. Wiring shall be pe:mwent and without a <br /> disconnecting switch othei than those required for ovacufrent protection. Smoke detectocs may be solely battery <br /> opecated when installed in existing buildings; or ia 6�ildings without commercial power; or ia buildings which <br /> undergo alteratioas, repairs or additions regulated by Subsection 2 of this section. <br /> ection 1210(a)4 • • � ' � <br /> Locatioa within dwelling units. In dwetling units a detector s6a11 be installed in rvch sleeoinp room and at a <br /> point centrally located in the comdor or area giving access to each sepante slecping area. (Remainder of se:tion <br />'I kn�; unchanged) <br />� :;;:�.' ; ardrails-Section 1712 UBC <br /> Section 1712(a) <br /> Open guardrails shall have intermediate rails or omameotal pattem such that a�here 4 inches in diameter may <br /> not pass through. <br /> �zcrotion !!2: <br /> 'Ihe triangular openings formed by the riser, tread and bottom element of a guardrail at the open side uf a stainvay <br /> may be of sucfi siu tbat a sphere 6 inches in diameter cannot pass through. <br /> � �oors-Section 3304 � � �• ' - <br /> Section 3304(i) Exception 1 B <br /> A door may ope¢at a landing that is not moro than 8 inches lower tl�an the tloor level, provided the door do� <br /> n4t swin¢over the landin . <br /> �fety Glazing-Section 5406 <br /> Section 5406(dl6 <br /> Glazing in Fixed or ooerable oanels adjacent to a door where the nearest exuosed ed¢e of the elazin¢is within <br /> a_24 inch arc oF either vertical edee oF the door in a do ed nosiGon and whcre the bottom ezposed edge of the <br /> glar�ng is less than 60 inches above the walking surface. . <br /> Questions! Ca11259-8810 . <br /> BC-91 <br />