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_,�:,: <br /> � �:... <br /> �: <br /> ,�,�,, HIGr�LIGIITS OF TI-I� UNITORI�1 <br /> BUILDING COD� CIIANG�S FOR 1991 <br /> �>� (As Applicable to Residcntial Construction R-3 Occup.incies) <br /> `t%�_, <br /> Smoke Detectors-Section 1210 iJI3C <br /> Section 1210(a)2 <br /> Additions,allerations or repairs to Group R Occupanciu. When the valuation o(an addition, alteration or rcpa'v czcccds <br /> 51,000 and a pertni[is rcquircd, or whcn one or more slccping rooms are addcd or crwtcd in czisting Group R Occupanciu, <br /> smake duectors shal(be ins�illcd in accordance with Subsections 9,4&5 of Section 1210 UBC. <br /> Section 1210(a)3 <br /> Power source. In new�construction required smoke detecWrs shall receive their primary power from the building <br /> wiriug when such wiring is secved from a commercial source and shall be eauipped with a batterv backuo. <br /> Thr detector shall emit a sienal when the batteries are low. Wiring shall be permanent and without a <br /> diuomecting switch other th.an those required for overcurrent protection. Smoke detectocs may be solely battery <br /> opented w6en instaUed in ezisting bu8dings; or in 6uildings withou[commercial power, or in buildings which <br /> undergo alterations, repairs or gdditious regulated by�Subsectioa 2 of tlus section. <br /> Section 1210(a14 <br /> Location within dwelling units. In dwelliag units a detec!or s6all be installed in each sleeoinr room and at a <br /> point ceotrzlly located in the comder or area giving access lo each sepaate sleeping area. (Remainder of section <br /> unchanged) <br /> Guardrails-Section 1712 UBC <br /> Section 1712(a) <br /> Open guardrails shal] have intermediate rails or omameatal pattem such t6at a�here 4 inches in diameter may <br /> uot pass thzough. <br /> Ezceotion /12: <br /> T3e triangular opeuings formed by the rser, tread and bottom element of a guardrzil at the open side of a stainvay <br /> may be of such siu that a sphere 6 inc6es in diameter cannot pass through. <br /> Doors-Section 3304 ' � <br /> Section 3304fi1 Exception 1.B <br /> A door may open at a lauding that is not more than 8 inches lower than the(loor level, provided the door docs <br /> not svin¢over the landine. <br /> Safety Glazing-Section 5406 <br /> Section 5406(d)6 <br /> Giavng in fixed or ooerable oanels adjacen[to a door where the ne�rest exposed ed¢e of the¢lazine is within <br /> a 24 inch arc of either vertical ed2e of lhe door in a closed oosition and where tbe bottom exposed edge of lhe <br /> glazing is less than: inches above the walking surface. � <br /> Questions! Ca11259-8810 <br /> UBC•71 <br />