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IiIGHI,IGHTS OF THE UNIFORM <br />BUILDING COD� CHANGFS FOR 1991 <br />(As App�icabin to Residential Construction R-3 Occupancics) <br />Smokr. Detectors-Section 1210 UBC <br />Section 1210(al2 <br />Addiuons, ilterations or repa'vs to Group R Occupanciu. Whcn Ihc valuation of an addition, altention or repa'v ezcecds <br />51,000 and a peemit is cequired, or when one or more slecping rooms are added or ercated in ezisting Gfoup R Oecupancia, <br />smoke detectors shall be insulled in acwrdanec wilh Subseetions 3, 4& 5 of Sectinn 1210 UBC. <br />Section 1210(a)3 <br />Power source. In new construction required smoke detecWts shall receive their primary power from the building <br />wiring whw such w:ring is served from a commetcial source and shall be eauioped with a batterv backuo, <br />The detector �all emit a sienal when the batferies are low. Wiring shall be permaaeat and without a' <br />discounecting switch other Ihan those required tur overcuRent protectiou. Smoke detxtocs may be soldy battery <br />opented when installed in esistpog buildiags; or in 6uildings without commercial power, or in buildings which <br />undergo alteratioas, rcpairs or additioos regulated by'Subsection 2 of this section. <br />Section 1210(al4 � • � � <br />Location within dwelling units. In dwellivg units a de::ector shall be iastalled in eath sleeoinQ room and at a <br />point ceutrally located in the comdor or area giving acctss to each separete slaping area. (Remainder of section <br />unchanged) <br />Guardrails-Section 1712 UBC <br />Section 1712 a <br />Opea guardrails shall have intermediate rails or ornamenlal pattem such that a sohere 4 inches in diameter may <br />not pass lhrough. <br />Ezceotion �C2• <br />The triangular openings formed by the riser, trwd and bottom element of a guardraii at the open side of a stairway <br />may be of such size that a sphere 6 inches in diameter camot pass through. <br />Doois-Section 3304 <br />Section 3304(i) Exceotion 1 B <br />A door may open at a landing that is not more than 8 inches lower than the floor ]evel, provided fhe door does <br />not swine over the landinv, <br />Safety Glazing-Section 5406 <br />Section 5406(d)6 <br />Glavng in fixed or onerable nanels adjacent to a door where thc nearest exnosed edse of the elazin¢ is within <br />a 24 inch arc of cither vcrti��l edec of the door in a closed oosition and wherc t6e Uottom ezposed edge of thc <br />glaung is less thau 60 inches above the walking surface. _ <br />Questions! Ca11259-8810 <br />VBC-31 <br />