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I to Doub whw Z <heAa P« n' cn Asse r r It iar 2e suliecl tc
<br />dqrnage If t n •inter is nr„ is is Ir sd o fMEWe Mc unit rM I -I be aro-
<br />tee.., fi r tie—' IQ a'i I„ a he e i(a-ure, ,is tlati r u- rq I ea, tape,
<br />orct[,iutatilen_rsms T hp jit mitstaway bF rcesidl., foi test ing
<br />and rt art_rarce the .t-tens v,i be - iat dcvv I dai ng it ereing vveath-
<br />er, a p t iF 5 ovvi g p r ,edure t aln inter p ,ages.
<br />Ball Valve Shutoff Draining Procedure
<br />If lie asseribil/ha _ r nsta d ,.i _a'1 el,, stri:fl 1,;, they
<br />must e,e froperk, dra isd P[PIJC,Ifrees,'rQirageAf training
<br />-rcooduro Fas boor cn ec on tl cs lc rr Pvritioin assomblv,
<br />,osrt r a 91. valve s1 ar, gird r � s iia 1-91t opeit,Itq'f Ls,.d
<br />its dC+7rod posdicr.
<br />U,.,i ,he b,11 .a1r, af„ oximat,t L, dcyr.>.;.. i e j'aiI'iI'g it'(' jr,
<br />anda> ,roytcac vra,erbe nIheba ealr,andvar oody
<br />to d air Leave the a va1v' in t pa-`i(�n f i the ,.i i:er to p event
<br />ire _arnage.
<br />Thwalsaemr .^c=tlrclosed.,c�iet., he,.,.emsrep� csum_ed.
<br />OPEN AND CLOSE BALL VALVES SLOWLY TO PREVENT DAMAGE
<br />TO THE SYSTEM CAUSED BY WATER HAMMER.
<br />Main Valve Draining Procedure
<br />'/2"-2" (15-50nini)
<br />"t1r, ritair SIN ilor"aNe.
<br />1 !In inletdrain
<br />,i ro irle „ r., utlo: ual ✓al. N ;5 ustrcc iF,.h 0pei ra f . sadi
<br />4. ,u al iw,xcI-.
<br />5 t neeIfletdra I
<br />6. "esimcrhecc,ramllrlet.rc.„noduleuirilalrraiierrQmva.ke
<br />d[,iit. back out tnjclt inlet drain
<br />7. i do"t'loit trie piping r ovvi eam rif irle 1 ackflovv a �, r bly
<br />rising commo xdair:
<br />(.orret`ieairsaJtt,,heoat.,t IcrandaJ- tip-out1,. valve.
<br />Ater ( err the sristam with air a I ilyopF i t iF outlet a valve
<br />Leaea air vase,te-ta .k &id bali valve,m I art as--:
<br />p*,itan fat thevrirtei I'— abu, to�mored.,a ed nstruc cns).
<br />MEN
<br />Main Valve Draining Procedure
<br />21/2" - 10" (65-250inm)
<br />y1ovvl'Close su... ",ralveY1shin iieers, 1..7er 9r09,cper,l6est
<br />vale ., r b-C i, C.floss prcvoriptor s isos 2 lc (65Z5s rn, ,,later
<br />>vitS I t it rene b tU --r ne may be din nod by h scriing
<br />t ie b,-em 24.,r tf c Qottom ^�✓erplate .G r al. (Sewage 8).
<br />dlwaL .illaeua _`anThe iret Idear .feareae.weenthe
<br />tc is Ls cf the ies 87CVJ 1 vvater on tr do e v. bF diained
<br />d lvv, Ito the No tot axon -,85i rainrgwat�- ,n
<br />tie dF.., _c nay b., _ ai rev tc do wisest pc d r t iF Se ., r Z�y"
<br />10"
<br />165r5orrm; by rem s rg rho srr,. I II Tom 3-,) .,c torr plate Ito Page 8)
<br />ityc i Iesre to add a d all l tug a ,r- � �afb e,it material 1 n u y and
<br />tapu,',. °'t woad in the coo, ( Corr 19), hossrowr addir,, a him plug
<br />not r P ,dry. L< < s-r 'ae mountir,„ rats and -01T to a11cu,, alnage
<br />from b-n-at,h the date
<br />The ,y1t1r i d ligr r us. av�a rear; :'jrrdiair rq a at earl )` the 41
<br />slittoff el,, md trcvvIi,tIersm o� the 4 shut `valve.
<br />Postwr .he assem^Ir s ia.off v so and test �a^ys r -fie ha' opc v'f alf
<br />�:es d p , i �n to, � r-ietr dminrg of d.,ss,embP/ , i t'�'f rage
<br />^su cs and test cads �' cee ?ve).
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