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.�. <br />�.. <br />HIGHLIGHTS OF THE UNIFORM <br />BUILDING CODE CHANGES FOR 1991 <br />(As Applicable to Residential Constntctiou R-3 Occupanciu) <br />noke Detectors-Section 1210 UBC <br />Section 1210(al2 <br />Additiona, al[erations or rcpain to Gfoup R Occupnncies. When lho valuation af an addition, altention or repair ezeude <br />53,000 ind a pemtit is required, or when one or more sleeping moma are added or created in esisting Gtoup R Oceupancia, <br />amoke detectors shall be ins411ed in accordance wi�h Subsections 3, 4& 5 of Section 1210 UBC. <br />Section 1210(a)3 <br />Pawer source. In new construction required smoke de[ectots shall receive their primary power from the building <br />wiring when such wiring is served from a commacial source and shall be eauiooed with a batterv backuo, <br />The detectar shall emit a si¢nal when the batteries are low. Wiring shall be permaaeat and without a <br />discomecting switch other than those required for overcurrent protcetion. Smoke detatois may be solely battery <br />operated when installed in existing buHdings; or in buildings without commercial power; or in buildings which <br />undergo alteratioos, repaits or additions regulated by'Subsection 2 of tlus section. <br />Sectioa 1210(a)4 • � <br />I.ocation within dwelling units. In dwelling units a detector shall be installed in each sleenina room and at a <br />paint centrally (ocated in the cocridor or area giving access to each separete sleeping area. (Remainder of section <br />unchanged) <br />ardrails-Section 1712 UBC <br />� ..; Section 1712(a) <br />Open guardrails s6at1 have intermediate nils or omamentaf pattem such that a sahere 4 inches in diameter may <br />.i not pass through. <br />Exceotion /12• <br />The triangular openings formtd by lhe riser, tread wd bottom e(ement of a guardrail at the open side of a stairway <br />may be of such si7e that a sphero 6 inches in diameter cannot pazs tluough. <br />�ors-Section 3304 <br />Section 3304(il Exception 1.B <br />A door may open at a landing t6at is not more than 8 inches lowet than the floor level, provided the door does <br />not swir.¢ over the landine. <br />'afety Glazing-Section 5406 <br />Section 5406(d)6 <br />Glazing in fixed or ooerable oanels adjacent to a door where the nearest e�roosed edne of the ¢lazin¢ i within <br />a 24 inch arr. of either verticnl edee of the door in a closed posiGon and where the bottom ezposed edge of t6e <br />gla�ing is less thaa 60 inches above the walking surface. , <br />Quesfions! Ca11259-8810 <br />^-91 <br />