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PHE service reservoir notes, public health engineering
Typology: Schemes and Mind Maps
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aah wolea Sopp eu in at fo vadtiua caperly GTS © An ovethead tank is to be Wen ave the fol ing dala. Calcolate He rt storage + ” . eAihoot any five demand. and fire oF eo of ne tank ne ID dws BRaes “Ie, bay athe, Fen fe be eraP4 ne ffe t fine UVa le f\ssom codbes te oe AM mONOLVY ct cliy len re Compute the e-— ee> | cs at a 1 pootes pompes 2 omedt. | f cee “a =e 15 238 reed, | = os o-4 o.0v0, 53233 5000 i ; < uo 7 { ee a& 7 i2o,og0um | 149333 [1soro ac 6-10 1,<0,050 < 178,98 ceigane: {rene ore Pe lo-(2 50,00 7 33334 sony eo ar ‘ gsasy | 281666 slabad mae. (21S (a) or 1G-'6 ZSOUD S338 239999 | 2BRSRO S. a [6-20 {go Too 106666, SYUbEES | Bes 580 a LO-2D 4scns0 50, Ub 39 6665, | ¥ vovo “—s ni a2 | 20). + B85 | eee [aso |S “ga Rplarerry Sporere SATE = 31666 +232¢S = 3500) Miler ers 204. ESENOTES.COM Different, Aype> ot ke? aver fo corny. water ) _s Pipes cavayin wotey fom one Point do anethey in and wales echeme Are | 2dbpyectect +0 fottowing PPS of fowcest- 1) \ate2nal Pre g8VBS of Wares facluding wates hamna pounve (ie be mesisted by oUY materia) whith ic sts099 “in Yemias) du Pressure due to external loads incre Loom of Backfill, fofhic \oacd (io be “seaiated by ele by using material leg 19 Com pression) - : 2 hich ave erected clhen Ui) Longifudnal tem exatuve sess goon +o be sosied by pipes ave laid over the pave expansion. joints . Longitusnal_ stress exealed due to unbalanced pres ao) at Ces er at pot of chongs in Coossesction (Ao be wesilsiel by you the pipes fisrily by anchowng vw ta mMomive blocks © concsele OF stone maronry ), Ww) Flexuval Shesses. produced when Pree aze s.oppesled Crvrenr tsesties. se rc) “CHve) ss fe) _ —>| eet Grom top of PPE iz From Tmide the Pipe. frye Fd . P 4 achive Fee , “e ESENOTES.COM eo ~> They ave Von | i : . ae eae wogigne nents of es tow anspor bat; Q ry cost’ > They ave avilable +o be vsecl an pompin mos an. e the repisiance of these Pipe £ mortor/concae le 1s pawld "Home Steel Pipe. tho iNnevean corossion a laya © iS Lewmecd (ele) vis & face and te Over thew svt "6 a nose g cone: is \-sfee\ piPe: a OE (D Reinforced Cement Concoele Pipe (Rec =) as 4 “they con wseeist exteonal compoessive load and done, | > collapse onde’ nominal Maccume ond tsaf{ic load. ge, lg Pa +> “hey ate not cosr0ded fs0m ingide by nosmal “ They. are quile SION 9g and thers usetvl fife opts ye) 6 ‘p> They one eany 10 constsoct at erie 03 infactosy- "Me _> “thers co-efFient of dnesmal ex pansiod is low Nence , exparsion ors awe not OGUved 2 > lf lad ohde® poate. the empty pipes donot float barave ; goes’ of shes own > they awe aiffievtt do be weparved: gy > Making co $507 Edendries sah 3°° *° shrinkage T0ck- ater press ove. qpck hence Hs rat Fficvtt to] nnection in ahem is difficott and ‘they | 2 LW) Vitzified Clay pies. > His vivwally seistant Aingt cEpmosor- ; > These pipes ove amoolh hence of fev a dischayge Caroyin capacity. ; ae ore nok _vsect as _pressuve pipe {ov Loxving HODODDODDDAD DD HEA RH HG +> These : " toler. bot re Used fos Sewage and drainage ok pouticl clept+- Cbecavse lay 19 weak in fermion and formation @ oF wala Hight goint is aifhcott. tn them). 5,> Asbestos Cement Pipe (Ac pipe) -> These pipes ane \ight hence eooy to +zangbost ° > Trey con be ms) amemblea without Skilled (about: +> They are nigqely vesistant to cee eaee: : = > They ‘ave highly flexible (may peanlit deflection of 2) @hen Jaying amond the CoBves. ra > They ase smooth hence offer nigr diechowge comsying el Capacily, asapdo not hove much Seength and are i brittle and soft o 3 Nery costly, St % “The sober yeimt Seal may Actoxate f exposed +5 petsoleum prodoct henee Not vsed in dnis cane. 208 ESENOTES.COM PIII II ID Operator Seat Body pik XA : 7 Se Ais Valves r > ese vawes ave usedito ensyre +he safely af dhe ; { pipes agairat failure. . axe the special kind of valves lines at "sommt” +ne downsearo + | > Aid valves which one | enevally placed © along the pipe both sides of Sluidce, valves and also on cde of aN the othe lice valves. { These valves one aurornatic valves. i i ( Hors fortha dAwide d into $d 0; Pats: > ; Aas inlet valve —The pressuse i the bipe fais below a cestain fixed predetamined valve and thes atlowing 1s 4o ente, the Pipe: such avalve ig known ao Avs inlet va\vd ay Ain Relief Valves- | These valve are mequised to be fn wesnove accumulated GIy: _ opt Ww proved to QU Ssummis 210 ESENOTES.COM “pain Glow off /Scour Valve | _5 These ualves aze vsed +0 weEMove -the enhre Wore} Gom otthin a pipe Cofier closing “thre supply, small gate off rakes OE provided at love points: ave provide settle Suspeeciect + These valves da Ao asain Ane caaler & Scovd off the impewiher out fom dhe pipe network: if ->“these Valves are placed at the lowes most point avily aaa in the bipe nekoosk, 1n guder Fo emvre the Si fom eithe} side of thegate valve. 4wo dasains valven one qenelatly placecl > foo sofely per pose, in series » SO OPH weduce the chances ay Motion cwencling she water Mm the conduit e valves ave manuarty operated . > Thes Osessuve Feliet Valve - a esuve in Presvre pipe can be 3 Wares Narmmer cyeduced by using pressure welief valves. ig adjusted +o open aut automaticaly Anche pipe exceeds OO > Such a yalve Qn 2v0on Oo the bre ssu7e. Cavtoin fixed peedetamined valve. Bes : Toit S : (mg a. | ———————— t , , : There ave fe ae of Jom provid ed in pipe nehoosls — Wy Socket ancl SPY . Gy Flanged Jourt echaw col Joint called d Joint - . & Ml werner COOPUNA: . Gv Flexible oun wo Exparcren Dome: Wy Socket and spigot Joint 5 Cont ison pipes ave being Joint" > Also vgsec today oo | => These joints ave macle iq SYS thers end 1s ert ongect , whee ar 4 ys nosmal. Joined bY o socket and shiget axge scale. hn a way thas One of he athe encl ts caWed +> The enlaxgeed end is callel Heocket” and “Heil os nie ee Bell or Socket S “Sint “ov clversen coupling: Spigot Gi “Mechanica! > These tre of Joind js used when tris ~sEquired +0 joins the plain ends of cont ron piper: fied of metattic collar \¢ then yhe abyling ends. ‘thus fooming and + mechawica out > > ore of Ane most Commony wsed type of m ~o gq Ndmesser Coup” Me 213 ‘ESENOTES.COM stds echariced J owt as There JO withstand brakes piper to be ceed in hangars . ink ave sbong and figid - they can and are thexefose use4vl A\9d ver budgn ov belo badger 214 | ESENOTES.COM Flexi ble Joint.