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, i�r �� .-.. <br /> �� ;�,;, HIGHI,IGHTS OF THE i7NIFORM - <br /> BUILDING CODE CHANGES FOR 1991 <br /> w, (As Applicablr ta Residential Construction R-3 Occupancies) <br /> ��' <br /> Smoke Detectors-Section 1210 UBC <br /> Section 1210(al2 <br /> Addidone,altentiona or repairs lo Geoup R Occupenciu. When�he valuation of an addition, atteration or repair wcceeds <br /> SI,000 and a pemtit u rcquired,or when ane or more sleeping rooms are added or crcated in ezisting Group R Occupancie:s, <br /> emoke detecton shall be installed in accordance with Subsmtions 3,4&5 otSection 1210 UBC. <br /> Section 1210(a)3 <br /> Power source. In new construction iequired smoke detectors shall receive their primary power from the building <br /> wiring wheu wch wiring is served from a commercial source and shall be eauiooed with a batterv backuo. <br /> The detector shall emit a siennl when the batteries are low. Wiring s6a11 be permaneat and without a � • <br /> discomecting switcfi other than those required for overcuFrent protection: Smcke detectots may be solely battery <br /> operated when instaped in ezisting buildings; or in B�ildings without commercial power, or in buildings which <br /> undergo altentioas, repairs or gdditions regulated by Subsection 2 of tivs section. <br /> Section 1210(a)4 • • � <br /> Location wiUun dwelling units. Ia dwelling units a detector shall be installed in each sleeoin¢room and at a <br /> point centrdlly located in the cocridor or area giving access to each separrte sleeping area. (Remainder of section <br /> unchangectl <br /> Guardrails-Section 1712 UBC <br /> �ection 1712(a) <br /> Open guardcails shall have intermediate rails or omamental pattem such that a sohere 4 inches in diameter may <br /> . not pass through. <br /> Ezceotion N2• <br /> The triangulaz openings formed by the riser, tread and bottom element of a guard[ail at the open side of a stai�way <br /> may be of such size that a sphero 6 iuches in diameter cannot pus through. <br /> "- <br /> Doors-Section 3304 •' ` ' <br /> Section 3304(il Exception 1.B. <br /> A doar may open at a landing that is not more than 8 inches lower than the floor level, prc ided the door does <br /> n4t swin¢over the landine. <br /> Safety Glazing-Section 5406 <br /> Section 5406(dl6 <br /> Glazing in �xed or ooerable oanels adjacent to a doot where the nearest exoosed edQe oF the elazinp is within <br /> a 24 inch arc of either vc�tic�l edee of the door in a clo ed oosition and where the bottom ezposul edge of the <br /> glaung is less than 60 inc6es above the watking surface. , <br /> Questions! Ca11259-8810 . <br /> UBC-91 <br />