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,,,.,... ��,,,.,�.,,�.�.,�....,,�„ ..,��,.....•,,,.,.��,,.,,.�„�..��,,...�...,. i 3-1�.23 Valva om m�nectiom �o waier wpp6a, stc- <br />Fv� +pe.ul pn�visi�i on huu�kw� cbemKals anJ maenesium, and calcium ��ional mmrol valves and other valves in supply pipes to <br />rvl,idc, tiee Seaions IO.J01 and 15.209 �nd Mtic1�38, �9 and 80. � sprinklcn sh�ll '' upervised open by onc of thc lollowing <br />(b) Atl Occup�nrks Escept C�oup R, DlrbH �nd Group M. Etcep fa , methods: <br />� <br />10.70� UNIFORM FlRE COOE <br />Group R. Divition ) ud Gnwp M Occupancies. �n wtom�tic �prinkler system <br />�hall Ec imulled: <br />1. la evcry story ot baxmem of all buildingi when tM1e floor us� uceeds <br />I300 square !at �nd tAcR is no� pmvided n leut :0 squarc fcet of openinp <br />entirtly ��o��e the adjoining grouna 4��e1 in exh SO linc�l fect or fnaion <br />Memof of exunor Ma11 in tht i�oq� rn tvsement on a� leasi one side of �Ae <br />buildin6. Openin�s fhall �rve a minimum dii,Knsion of aa less than JO <br />incAes. Such openin�s sAall be rccssible to tAe fim dcpartment from the <br />aterior and shdl nd br oDstrocted in � manner �h�t firc figh�ing or �exue <br />c�nnot Ee accomplished from tAe a�eria. <br />NTen openin�ts in � stixy ue provided on only one side �nd the opposi�e <br />w�ll of svcA story is mort Nan 75 fea� from such o�cnings, the slory shall <br />De proriGeA w•ith an �poroved wtomatic sprinkler sysiem, or opcninFt u <br />tpccified �l+ove �Aall be pro�•ided on at leut two sides of an cakrior wall of <br />drc pary. <br />I( any portion of � l+ax:nent lou�ed morc Nan 75 fcet from openings <br />rtquircd in Ihis uction, the b�xment shall be provided with an apprmed <br />w�omuic zprinkkr rysum. <br />4-0 Position of Upri6ht �� Pendrnt Spr:nklen. <br />4-9.1 Smooth Ceilin� Comlruction (ar drfinrd �n <br />I.13.1). Deflecton of sprinkltrs shall be locat:d 1 in. to <br />10 in. (25 mm to 25� mm) below mmbustible ceilings or 1 <br />in. io 12 in. (25 mm to 305 mm) below noncnmbusiible <br />ceilings. The openling cltments of sprinklers shall bt <br />lonied below ihe ceiling. <br />Exrrp7ion No. 1: Deffecfors o spnnklrrr undrr bramr <br />shall br forafrd 1 in. fo I in. (�5 mm to 102 mmJ belou� <br />beamt, cnd no( more Ihan 1I in. (356 mm) brlov� <br />com6usfi6lr ceilingr or no( morr fhan 16 in. (006 mmJ <br />br/ow nontombwtiblr ceifing.• <br />Erttffion No. 2: Sptciaf ailing•Ippt pendenf ip.inklert <br />/concmf�d, iauitrd and f7urh 11priJ ntay hatK fhr <br />oArmling alemenl a6ocr tht cr�6ng and lhs d�flrrtor <br />lorafrd nmrrr the ceifmg uihen �n.lalfrd in accn-dance wrth <br />(htir liifing. <br />I4-R.1.i.2 Sprinkltrs shall be located a minimum of 4 in. <br />(102 mm) from a wall. <br />� 4-2.2 Proteelion Arn Limilations. (Srt Secfion 3-3.) <br />4-2.R.1 Lisht Havrd Occupancy. <br />4-4.4.1.1 Under smanh ttiling mnstrunion and under <br />6eam and gvder mnstrutiion �as dafined in 4-1.3.1 iiems <br />(a) through (i), and 4-1.3.2J �he proiection area per <br />sprinkler shall noi exceed 200 sq ft (18.6 m'). Fur <br />Ihydnulically designed sprinkler sysiems the proi�nion <br />arca per spnnkler may be increaud io 225 sq f� (20.9 <br />m�. <br />4-2.1 Di+tance Betweeo tLe Bnnch Lines and Between <br />Spr JJen on the Bnnch Linn. <br />4-4.1.1 For Ligh� Ha�ard Oavpancies, the distance <br />betwcen branth lines and bc�ween �prinklers on the branch <br />lines �hall na excced i5 ft (4.6 m). <br />(a) Centnl staiion, proprietary or remote sution signal- <br />ing xrvia, <br />(b) I.ocal signaling service which will tause the sound- <br />ing of an audible signal at a mnstanAy attended point, <br />(c) Locking valres open, <br />(d) Sealing of valves and approved WC. RIY rernrded <br />ins{xction when valves are located M•ithin fcnced enclosures <br />under the mntrol of the owner. <br />F.xcrp�ion: UndrrBround gaft oahrt unlh ronduny boxu <br />nttd no! br tuprrmttd. <br />RGFERENCES: <br />1986 NFPA National Fire Codes <br />198; Uniform Fire Code <br />