Document 8ZkZrM5zQMopqK9RJqzXMpJd

LIA09767 $ && W"': - 8g5S*82? &V333M 4-s *r- e^cneS Xfeftl eM- t,V' l";!.** i/*. ' . .' '.- 1 '2* jcsfs T trici fe-M <? / ; *S &-SS4 EEd iV '; f ' '3&a@-or fc2-: re:-- '' . .X . *y-~ k:: '. :' : X' fw -' - - c. CO;- .' ' . C ' C* c ft* 4$cg sitJs fcr..:':;'.: . '.-75%: "- .... c-- tf; *# !&* lead etrapsriss; <p : -c;- 1 fi, ;' ' . -x-s e .. fct'.n-',3i ty test of roiciixu 1 -* 5 iv : ' " ~r> arciea la tte tin dAl'rfcicT. S-'-:o''3 K - v:^ t.-".i-rs tack* t telUsere era talCd^ w*X, trio a LiteacttiA ca," Oceplsto teppsgSsttes s asrstsd ter tte fc^list ttrla t fc" t&ta `yin, yot is cos to few j w i* tlao sssistecsssa teg* ted tesas nscsdra* There is no objection to tte ase Gf lsr2 by tte WBiereos&s es*;ia?cr t for neehanieal fatigue resalting frca taESspsretnre ciux*s ctwirq baiS3 4 Mtiiwi. Alas has b#a c mIU cteaiosl etnoa ancisnt Uwi tte Egrpilsn# seed it in certain nodical preparations sol tte Renans usad it to fireproof ttelr sloe* sacMnea. Alas* are u*d m water treateent and is dpwir* feet are bain* replaced by olmlnaa sulfate, which has a greeter aloBlna e^-jiraloai par xsxit weight. Tte word aim or filter aim la often used to denote slsaid q s ralfito which my te used in water treatasrTt, In tte testil* ladurtryt as Bsrdant for dye#, and pterasc*uiicr.li in dilute solution as a slid esirtng* sot snd aartieeptle for tte ekls. ** U as o u t h s are used in siting of paper sad in oakli^ aoaa baking poriorsj but sort important is wstar clarifying which eensmas 65X of all almlnaa solfate proceed* Largo scale wstsr treatooct my take es of seraral fersss os tte condition of tte water rurpljr. Psre eMcrljeo fca fef-dad to d - -ar any bacteria present whan tte catoral rater Is cUcr. filtrctico ti; - , alow am) filter# and ette^mot tratV^ut ^lih chlorine is eftsn jr^ci-Jtod wtere there la suapsndad natter with tlcSinm r^.'.L^-o (car fttrrous snd ferric sulfate), fllV?-:. c c. .1 r,teercc*t titsaic-.:.1, ..'! afeic.-r.ne ia often required. As ast cf our -laicrel ws- ^,-;i : tele ils add.-'-icn of aluasdisua avlfste easssa ti-n fonsstien of alwtit-s* Jydrcii-;.-.< s a eslleidal dlaparslfin Uareghvid the Uf, Trie ooad'ils'? sle-lw "1, sg it act ilea, cciftaa down uy ratter presant, insli.lr.j fecte.rie snd Bsmy ateorted eelorlag nattriala. V-JVWC LIA09768 t i v. .-'^. . . .. . i.'. is * IS, lSi- * B3}J'. . 3 Zs <* U3i$ i - ' * . . . ifi. tUc .d . : te i_ . . *a#&s f-L ;> - ; t >< .!- ri. .... asd ilciss- v'.-.; . ..ir fa-s.fr*.- j .!.C.>* AffitivfiSC;: ' : ` T. - 'Ip r."-' : <?- SP3T*4 .- CtSSrSP C?4 55 fii 4,0 -t... -. . ,1' -. ' : . ;.V-,: ,, ^ S3 dr ttKi, fcsci ? ;.i'.\ . > vt-r ;..'ii ew..- *>"# . ;f the Eswr rv .-." - -i ; - : i c-'r:A;.;,. .",^a terti&j m to t>.' - t) &. ;"i f ..... . ; pjtcs&iKi is to ksoa <a or tea soa&-.-ia i* - : :........ v-`: wvaiseJ tespersttire teA eorresive &silea asd esrcr&L <1>... j s s eci say r a? id bo M , lined, la Balitesro ths nestles is rr* stA errts t5ss t&s a dsy elsfle et the Pnlacartia in Ees:*, te-V c-issi ns too fcctebae por # day *d dels a dicully tes^ae-iiise, ?b bsfieh la sealed fee- three kesn at eo degree per elcsba, for *ss3 cCJar than enter trsdaaot the cenoesbratad liquor amj be peered into fist pane to be coded and casplctaly eelidlfUd, The solid oaks is tbca brcltsa end gresed to sloe test atepawrt. 0, BKIKSST tXSCJtmjm In the Baltirare filtration pleat co Hilll&B Road there ere alx teel tanka (aos lirat ArortJij), IS ft. in dteoctar end 17 ft. la overall depth. Tie drcalar terice taee e headapherlcel bottea with e l-X/l ft. radio, wtdeh 1* r.et cermralli' rear-i*l u easy to fatrleete or ltec. 1 ehollcsr *t* bottoa i, far easier to construct, leee difficult to repair, end allow, a better latd IxstalIntlca. Three of those tanks ere used for dilution end are lined with a tdtms&ilo eos*:l which le a product of the Kailae Eoro-Hersistoa Ccrporctlcn, Bostfleld, Sow Jereey. The other tireo tenke ere llnod with 2$h>lb. lead with vertical strap, every 36 in. These otrspc ncrx toward tho center, teralaetlcg at the octcr edge of a circular lead plate 3 ft* in dlasster* At the Dalcowlla filtration plant la WasfcU>$tca, C.C., there ere six 10,000 &1. tarha, 12 ft. in dlest*e. aU lined with lead until recently hh laid tern oct cf tha bdllcr ta.-.t tr i Vir Iftcoi by as acid resistant brick. In tha hrtek Used tank fyrcfler |:? V:'; vosrA wee tssed and ea asphalt V -'. ' w to ? .o steel. Fcr beti-jr bending the asphalt eee earw^si i- fer-s the pi'-svr* cf ett'a S i; -j c$t9 cf pricor were ap* plied brferr U*, finsl cc.tfe t;X pitch. tec.*.:' : .rical battea ef Us teak was double lined -:''i t'--> of f: iz?U i ir't rd the eid* walls ware of one esurse, r .--i an..' ^ . ..* j Ter o t -. ~\ ^ ~ i-* ^ pips has beon replaced with ocrartlc tui-.ny, l r'.^' eijri>r&t IS in. lied been installed la all ala Unite, S'y> lac-S j tor, aot vr*p;4 eswr er aeswed at the toy eJccept by the upper e.4 of the vertical cirtpa* i I UA09769 * -*',**'i - tanks la tbs beset w sed 3 &a, ftsr&rsT: toi 2&bs 4 ces^--;;/;.; fdpa Use froa t',. t tjs** s^ riti^s-K-X &".:-l k s ft-.rV - ;r :.& fteM* . - : X - V- . * .-.,;-.J: '.. vV's as# gs# fci.ii' .'i '*S& %&& d. us^m PJ* Ks Isis&ossr ft ' ' l...' ' v.- ' ',.;i *3 i&a t-dlosbly gn2e5 .' '-i'c ;:? r~ : ` gad rar stie- La V.w f ,.:. . ... -' .1 .... tswtr CRF>Crt&8d 1 !' ': -- ' .:* d: %ti& t-'"-V-' ' BSS3 f&OSS *fe~ t&tb !** liiii fcUf ' *4SZ~ ' > i, S^'TC",* 3 i; . .. ts^a rKS'-tii See ; ' vi etes c^2, Sssii Bastions wsr tarried % t# : s es feci :u* e &a lair <:ssg csre e^t Is erac$ pal fs&tess. <Ra fcru.-Ga la.iicisS T a atmiiS? &ss f & 3 ft. Is disastsr, *d,th a heavy: ecatiEg war tbs sa^lsst i ccrsa es a ai east. Zs 1532, 12 lb. Isisd ?,5 lisisllKl sf&h barterAs! strips as fSisswa la tbs second drsairg. ftar* etn~3 wire so k e ^ cCfcwfcivw thea tfc jswrS.s'.a arraagowsat &s tbsy trailed ssd aacg^C with repeated heating eyfies. fn betta construct!cn retained tbs srrengssjt of eight straps ecavargiag tcaard tba central disc* . Tba first drralng show* tbs last sttsnpt that m* ssdo la 1933 to aak* lad llainca glra reaaonabla aasvlea la al<a bolliag tadca. Tartloal strap* war* Installed 36 In, apart with 20 lb. load lining laft taafsstcaad at tb* tcp. a *. rotroRMinct or mi - -- . ' Xba laakags baa occurred ocJLjr arouzxl tb* lover *dg*a of tba vertical straps in the two reaction teaks. The** two tanks wero Mid to repair* as atoeb ealntananoa aa all the rest. Tba lead lining spand< with heating sad does not contract, learlnj a faueklad area of dirtertod or "eresad* ratal which la probably d o t * readily corroded. Tb* heckling aoveract of the load would also tend to wcaktn the weld total at the adga of tba straps. Tba expanded artel ehooa op la the cylindrical portion of tin tank oa wrinkle* and bulge*1 between the straps; however, there is no leaksgo la this area. Leaks osoar only la the bottos area and are alssys along a seta of welded ratal. There Is so qrastloo of failure through cbrasle* or chcaleal astloo on the lead Itself, The first Install ctl on la 192? of 10-lb, lead eslng only v^riisal straps felled, bet was tsattlmstd la k m with csculn nstidosu^s for oa years. The Heiltlngtcn terjs wars 12 ft. la di ?24*r r,Tr& tbs Strr'a for Joihl3 tba eight shoots of load wore wall m b-X/2 ft. apart. Tbs ece&iraLilca ef 12-lb. load with hortaentd straps lastallsd la 12 foiled In a ysir's * 1*j , Sicsseiva sagring oocurrwd In the shoot lead Jznt abos* the bcrisonatl etr..ps and nargr of the fejcaae too lerga to dreaa book into piers, Ttoo* had to bo f*. out ant a sen burned in. There wero van borlscntal crack* In the load. LIA09770 ] QSSSSii S&iCiS S&. X t* Vi-A,*>i^vr*5t'W1 . i^wm^ai raso (csssssssa)' "'. tho IBS lodsBaftLae.* lio *$ t-s ife&rrajy tE?.?r c&ite? etrssja and with ssstissfi rs'-2:',s`. .-. ts. t.|--'ri *.- ;c is.i- two mi.** "t&&*BSf. * th 2*S<4 - V- - ."- -- S'- i:. <t:r,, v: t&s tosggsswSfcor c'e 2^v ?t ,t. ...'. ' :';:;s..-W -.srV'O; ,Isd a* total4ag&^( t&t* 5to36 &** siii ;; ; i.x.:> * #,.:.. t <* CattlBSUm pasrtdsirs ealy to the ss.iztA"\*a sad Biltiiscst wstt? .wagfia fccaw bweo raa&adaa feSieeai . ; 1. load lirifigs with ecrtsia csesHwiticas cf etras tee , : failed la the esid alas socsUoa toaiss* 2. Lead has boca rspleoed by brick in tha rwsritaa tesLs* 3. Sltoaestle linLaea are pilies ed essviee ia t&'wo dilation tank* ia the fcitiEcrQ plasS, Eil lead lining are tarring the tost faaction ia satisfactory Banner ia tha Washington plant. lu The brick lining roootly installed is tha Washington .- . reaction tank baa an excellent cppearonov, but it la too earl/ to Judge the worth of ita eerrlca. Load baa a black tqro at these two plant* and probably others for tailing to do tho Job. Actually it baa noi boon given a proper tost. If strap* had boon triod at a distance of 2b in,, undoubtedly tho increased length of ser vice of tb load Xring would wore than offaot the coat of additional atrape. It la planned Ia Washington to build a new filtration plant about 1950. Designs for tho eltaa tanka incorporate a *halloa 'Y* botten and ahew a brick lining with no oentioo of lead (ceo third dreeing). future bulletins hope to point out the advisability of ad. ng load and brick oonbtmtloas. Advantages would lnclcdot 1. Qtlslnete tho nuod of using atrapa for support aa the brick lining would prevent the lead fwn bulging outward. 2. Depending upon looal.ooodlti.cao, It eight be possible to ueo a lighter load inner lining. 3. Abrasive protection weald bo furnished for leed. it* fbtntal effect of brick oo Insulatied wxtld allow load to be uacd at higher tenperatoree. i . 'Tv-.-. . . ' v UA09771 > ' ) N3071.01 t, ^ < V * .* LIA09772 \ i*' i- I. I r I E I, l -v Ko f LIA09773