NFPA 15-2018 Standard for Water Spray Fixed Systems for Fire Protection

NFPA 15-2018 Standard for Water Spray Fixed Systems for Fire Protection. 5.7.2.3* Ssteni actuation valves shall he provided with manual means of actuation independent of the automatic release system IE1(1 (h’I(TtiOII (levices. 5.7.2.4 Alarm check valves shall not require an independent means of activation. 5.7.2.5 NIan it.il (( )I I iols ( )t a(I I1aItI )I) v.ilves shall Iu)I IV( P111 e a pull of more than 10 Ibi (1 78 N) or a movement of more than 11 in. (356 mm) to secure operation. 5.7.3 Drain Valves and Test Valves. Drain valves and test valves shall lw approved. 5.7.4 Identification of Valves. 5.7.4.1 All control. (Iritill. aIl(1 lest cOtlIWCtIoIl jjy.5 shall he provide(l with permanently marked .5r(.I(1)e.II)I)1 metal 01 rigid plastic kient ification signs. 5.7.4.2 hit’ Hlefltifi(atHHl sign shall he secured with orrosionresistant wire, chain, or oilier approved means. 5.8 Pressure Gauges. Required pressure gauges shall 1w listed amid shall have a ntaximniimn limit nut leSs th(II tWin’ the tiuiiii.il working pressure where illslalle(1. 5.9 Strainers. 5.9.1 * Pipelimw straiiwrs shall 1w specifically listed for use Hi water supply coti flectiOtiS. 5.9.2 Strainers shall he capable of remoing Ironi the waler all solids of sufficient size to obstruct the spray n()ttles [normally 1/ in. (3.2 mm) l)eIfOIaliOIl% are suitable]. 5.9.3 Pipeline strainer designs shall incorporate a flushing col)Ile(t loll. 5.9.4 I n(hKlIIal O[ integral siraillers fin spray nozzles, where required. shall he capable of removing from the water all solids of sutlTicient size to obstruct the spray nol.71e they serve. 5.10 Fire Department Connections. 5.10.1 Unless the requirements of 5.10.1.1, 5.10.1.2. or 5.10.1.3 are met. the fire department connection(s) shall (0115151 of two 24 in. (65 mm) connections using Nil inlet nat threaded swivel fitting(s) with 2.5—7.5 NI-I standard thread,” as specified in NFPA 1963. [13:6.7.1] 5. 10.1. I * ‘heie h wal fire (lepart I)l4’ll I (OS II l(Tt H )li% (1(1 1101 coiifoiiii to NFPA 1963 the authority having juusdwtion shalt be 1wnnitted to designate the connection to 1w used. [13:6.7,1.11 5.10.1.2 11w use of tllrea(Iless couplings shall 1w peitimilted where required by the authority having jnsdtction anot where listed for such use. [13:b.7.1 .21 5.10.1.3 A simigle—ouitlt’I lime (tepartIIwmlt coiinectuimi shall he acceptable where piped to a 3 in. (80 turn) or smaller riser. [13:6.7.1.31 5.10.2 h ir (leI)art iiien 1 (011 I1(Tti( )I 1% sl iall be equipped with aj)l)tOe(l ltmgs 01 (ls. pl0I)CIl secuIre(1...