-. "-' ~- - ....

C'.~

11 r....." .•.

L ... ..'.l

'1' ......

.'

.

. 2,

' ..

:.:..

'.' \CONT.hNTS .

S.No, . Description Page No.'

1, Iiltroductio,.n . 1•

Selection of Coaches 1

3. ~tervals of overhaul 2

4. Special maintenance instructions for Workshops' . 2

~ .. .' Attention reqUired .for 4 bogies on open line.

6. " History ·Card. 5

.. ~ec hnic aJ..Pamphlet No. 7803 ',' ' ,

. " -'"

INSTRUCTI ONS FOR EL~MINl"T10N aNn MAINTEN~'~CE '{)F' , BOGIES AN!> UNDERGEAR'OF 1CF CC..I.!JTr'ES NOHINAT"ED TO,'

·'-:RuN .AT A. WariONED .SPEED OF '1Lo'ia1/H(METRE GJ~UGE§.' . .. . ,". . .. " .. '"', -" . "

.. .. . . 4," ',...... 1 ~ ."Int~-oo.uct ion ,' .. . . , .. . '".... ... ..

"1.1 Instruct10na co'ntained !h"tn!s' 'p~;hJ.etare·~o.'b~rea~ . '.in conjunction with.: a.1':d ',~s supplementar:r.' to those, .". bontained in: .~ .~.< ' '. '..' .... ' • , ..',.' '." '"

.. a) Instruct ionsfo~t1a1litenan6e'Q:r'.~i:OF·tbuiJ.t MG '~l coil bogie' and Under gear (r-~ax.1ciUl:l--apeed75lmi!h),'- "......~ .... Teohnical ,Paeph..let .No .0-7801. '."--:' "

'b}\ ,Oont'erenc~ lhlles' Part IV iSSU~~b;:',~IRcl :for general -',\maintenance, exa..-u.nation and interchange of coaching ',~tock.,· .... '., .

.'\. ~_Ul~etal 'int~gral' ,light weight cob.ohes ma.nui'act~e~bY ." '., IO:E' ani fitted ltttlth Dt\ valves, Black adjusters am .

.\u@n.~ted brake .. power are" suitable · for 'operation. upto. . " 100 km/h on tra.cks maintamed to the stan re.rds specified

. tn CiVil Enginaerin~ Report. No.C-1~8.' ':'.

1.3°Qqa,,~es oa=tactured by reF fran ~1967 lla~"e b~en . ·pi'Ovi.ded: ,with DA,. v.alves, slack adJ era 'and augmente~

~i'ake power. SQIDe of tm 1CF coaches which lnve 'b~eJl " l>3:Qvi,ded with 18"di8.I:le:~,-; vacum· brake' cylinders .

should not be used. . ,.' . .

~_4\ 1Jhis T,ech.:ramphlet supersed~s .the Tech.Pamphlet· No.C-7611. ( ~. :.:' . .

2.' lrlectlon of coaches : '\ \. . . '. . .

'. 2.1, ~CF bu1lt coaches .selected for use on trains nominated to~ \un at rj. san9tioned spee.d of 100 lml/h, should 1?e \IJOr~d ,to

. ~1'e,d rake i'omati'on, ·as in the cas~ of' BG Ea.jdha~..Express, auI· fh ould have ... . . . " " ,

a; ~ake rigging'w i th long brak~. ~h~ft ~ (-7?~f~ ....'1. case the long artn of brake shaft 1s~1QmmTt ~hould be :replaced by an amot length,7aJJ:]Llas shown· ~n JnF !trg.NOfMG/~-3-3-o02.'~" '. ".

~ '~ "Valves. '1/. .' . '

~\~lack q.d~ust~rs~\'·/ , . ' , . . ~= C:< 2entre p:..vots w).th "silent bloc bu:::he,ge_. e( ~ide beE'~:r-ers ·inside the bogie fra.:le~' "., :r;. Y33ram .( 21")· dinmeter IF' typ,e vacutD br~ cylinders -;0 . "~Drg~liOe VBA15/M with th~ Iollow:4J.g oodi.f~tio.ns;-'

i,' Holo in be~ll-va1ve seatlng increase~ :frco •• 2mo, . '\ (9/32 t1 ) to 1omi:l. . . ' " . . ii~uwber of 6mn dia..holeJ:L.in-.ba..l1 ca~ increased..

'-i~m 2 to 4. . . contd•• • 2!P a •

000

l

'.

, "

. -...

',.', ..... ,...

~~_.--~~ ~~ .-:-- ­iiil Diameter of 3· ho~es ,in piston head increased!

--rrom 5'1'tJnl -to Q IIllJl .' - .

··_··._~U The hose pipe' cage to' Drm·i.i ,.. lJo o \7B-409!M. '. '. , h Vacuum reservior to IRS Drg~ Ho. VB-306/M. . .

The automatic feature of Guardia van valve should be' rendered inoperative by removing the spindle choke (VB-195/M)... . .

;: ... (j) Solid wheels and axle. to ICF Drg. No. MG/T-o~1~038. (k) Equalis.ing'stays with grease nipple arrangemnet. ' .

. , .'. .

3. Intervals ,of overb.aul : \. '.

. ... ,., ...r- ­. 3.1. The coaches shall be given a thorough periodical over­

.. h8.u.l. after they have earned 2 l.a.kh km. or at interwais of 1.2 ,months ,:"hichever is earlier'.and the bogies and

, undergear an J.nte mediat e overhaul in between two ". _ consecutive PORsafter they have earned 1 lakh km. Or ~af'ter:ahinterval of 6 mobths, whichever is earli~, since the last POR.For this purpose, it is necessar,y to maintaim records of the kilimetrage earned by the

. , individual vehicles in the service•.

4., §peolal Maintenance Instructions. fQ.!:...workshops During POH/I,0J . .

Besides nO"rmal inspection and rcpc.r·i).:'z .carried 'out to coac.}:l....---­bogies, bogies and undergearm workshops should pay spe~2, attention to the iollilwin~item$ during periodical a¥ . 1nte..nnediat e overhauls: . ..., .':. '. .) .

. .' ". ' '

. . . '

....-< . ~:1'Bogl'eframes should be thciroug~.cieanedaPd.··

Checked for crakks. and damages.. . ,., '::.' ',' :,... .... /,­

" ~2 III axles' should be ·subjecte.d to ultrasonic.na.w· : detection "test at every FOR.' . 'j.

~ Boller :bearing axle box~~' with all its q'ompone~ts ',...>L' "' should be. opened for th.oroughtexamination and' atte,oded ' ;

'",0 in'. a~cordance with· the instructions contained i.n' .' , ~cbllical Pamphlet No. 0:..1705.· Particular at~ent.ton

.' iadrawn:~ . . . '. '.. ~ . , ',',

\4~3.~l' To the ~se o'f,'corre~t hexagonal h~ad P~B .' .... as· shown in rOF Drawing. No. T-O:-2-619,"

'4~3~~To the use of' locking· ~late 'a~ s l'1ow~ o~ IillSO . alt. 76053 for 'axle end hol~s at -70mmPCD & EDE';Q·,.--­. !ik. 76202 for 60mm. PCD~ .' ..:" ,... '

~r tightening of. "the hex'amgonal' head bol:t~ 'i~ lQCki~ the bearings with a torque .WJ:BlJch . ,.

" :.,

obta ng, an :uniform torque ofB to~ 9 metre--:k{g'.for M16 bol-t'si ' ...

/' . 4~4 .All, jelt's~aii~g ripg'~ 1'n'"rolre~ ,be axing firle box

sho1J:ld' _b{:...-X.f.l~a. at every PORe ," '. . , .

,...... ­

- '~ . .,. '.:: , ~ ,.

'"

. 3'" . , ~b.e· axle box 'cover's I:;:, ~ , be replaced by the

'

improved deaign aa shown op hDOO Sk. No.·76220 in a phased

, programme. " ,

4.6' All axle box springs and:bdlster springs should be . subjected to scrag .and 'load ,deflection .to,sts at ,everYPOR. Dur1'ng lOR" the springs' should be ,visually examined 'for .. craBks, loas of he~ght.etc.·and such of thos6whichare found· defective ,should be

, replaced by,' new ones; , : '. . .. ', .. , . ' . . . .'

4.7.: Sl~ck' adjusters and'D/. valves .. should ,be remov.ed ' ',and inspe,9ted and" repairs carried out in accordance

, with.the "'~,il1ten2:nc\~ :,r.~+'rt~ction,~.in vogue, "'~' ~-4.•8 '!he :l.'ad1Bl{~Lr1tiaJ. ~clearanoe' :betWeen .brake

. "~p:ti1's a:nl bushes 'tilould itrit'·bi mo~e tllan o~?omm/ , ... < ,1~00mm ~BPeot1v~~._· ~,',.... ;. .: .~. ~: .. :" ;';:'::,,: '", .. ,~: :.

4"9" , IJ1the side bearer asaembi~'es, ,the "hard groundpl~~e . , ..heb warn by .more than 1 ,me and bronz~ wearing pieoed

"when worn by more than '1.5 mIn, -'."should :be replaced~ .' It should'bo ensured that the o11fill1pg'arrangementacco'rding toliDSO l s Sb.: .;(;n No; 681 06 ,J~lt .3;lf(. proVided and fUnct.i?lU.·r.g properly.: ",';,

. " ' " ' , " . " .\ '

. '4.10 A,nc.horll.Dks ·sb.ould be cb.ecked:to' ensuret,hat' they' arG ,of heavy quality, 32mm bore pipes, tb.e 'c{)ndit~or.i

, of pins and silent b~ bushes also ~hould be· . ohecked and' :da~ged parts replaced.': . . /;, . '

4.11 Silent bloc bushes used for centre'pivots and. anchor l.inks shpuld be V'isua.lly: eXamined. !n case any' !retting i~ noticed, tbesame. should be repla~ed.

J. . • • "r" r .~.,

4.12 bxle bOx guidearrangemt-nt shall be attended' t9~.jJ)· , accordance ~ith the instructions 'containedi,n/ . , technical pamphlet No.C-7717. '"

.. "-..

'4.1.3 The inside diameter of the iowel" aprings~t a~d';' , . '1;he outside diamet~r of the bronz~' !Jushshoul~, pe ' 'carefully measured. Tb.e wear in thelo.wer spr;L.ng , seat should not, be more than 0.'2 'rom and and that on. 'bush ,not mor,e than 1 .Qmo. Thediametrioal plearance

.. be't\1ee.n thE: .bush and the lower spring scat 'should .

not eXceed: 1.2 mm. #.: . 'r;.. .

4 II! 14 Axle box gUide packing iiilgs tonforniipg ~o, I~' ·Speen.No. ::JJ,..47-72 shoUld be changed a~ ever;! --PORe During IOH these rings may be renewed cn

, con~~~on basic., . , .I

4.15 .The equalis ing stays shou.ld be carefully p:amined at "all welds as well as the bodly for sings o.! cracks. Bent-Icrackcd or broken stays ~h~\ll.d b~' renew~d • :I'hG free mov~~~equal~~~r~ stay J?in~ . shou.ld...lltL~ed. by greas~ng ~-n:t-.E.:.::.eacl? nl:p:p,l.6/1

+ • " ,··r--- -',- .-­

, The hanger 'and hanger blocks shou.Jirl be thoroughly c~eaned

;aft~r dismantling and exami.ned care:tully' for crack~/weax , I

and'other damages. The extent of pormissible wear on the8e components.is indicated bclow:­

~

DescriptIon N~w Condemning Woar shop Issue of size . Size Size ,!Component

Ilmm) lmm) \ [DIn) . lmm) -,~, ~: Iptianger , ~~J

l!ahger b~ck'" 8:. 7 1.0 7.5. rtop c'J: bottom .

. • .''''-'"'- ­

; lPin' •. ' 34 .'

~_ ~~~ ~_ 33.5I

~; 1'{ .itll coa~l:les.· tlaye been prOVl.ded Wl.:tn higher- brake power whicn,.has ato·ta~ mechanicla advantage of 10.70 as shown in IO~ D~g. ·No. IvlJ/F8-1Q.;.1-D01 ... It is important to ensure

.. that the brake shaft and the brako' levers of these coaches are not. mixed up with thoSG used. 0 n other stocka

~.18 ShoQk absorbers' should be inspecicd/tested at every.IOR & PaR and should be replaced by overha~led ones or new ones

~, - wnen:­

'" .'.: i)' Their capacities go ~eyond± 20% of the specified value •. ,-~.,~ -i1.) ~~. aignr of -any visible oil leakage or obvious " ,

- 'physical damage•.

i:' ·iegardles~ ot the cbndition', the' shoc:k' absorbers should be . rc;placed 'by o-:v'cr':':taUled'. ones or ne"} ones at every 2nd POH.

'Overhauling of shock abeorbers should be done· in accordanee . with i~st:ructions contaipedin lillSO Technical Pamphlet No.C­

~t"... 6S,~:(C;'7901. ~s-~applicable.. . ' ~

.19 Cfelttre p1vo't. fixing arrangementshou!d be modified, if not , . 'a.:lready do'ne a's' sno~n:anSketch·lfo. J:CF/~1"'1-135 and'

: detainled in C~I No. ~-7515 isS',-~cd.by rbF'. .. '.' - : ,

~20 BJ:ake gear pins should· be replaced. ,if not already done· ~., with those having', head on onG side' and split cotter wi,th r.;; ", washer .0.0 the other side as shown on lillSO. Sk. No..671D3~ ; alt. ~o.7. _ -.

,•.1. No wb.ealwho~e, flange is less than 20 im:l thick should ,be .~ perm1~ted to run o~ 'these tj:ciins. _. ,

~. .. . , . f 2 ')io: .coaches- should 'be allowed to run' with broken sprlngs~,,"

3~ .. T4~.C?'ont:rC?l' ciime:n~1.~n8 lJa'.in th~slack adjust'er should:' ".' bE) maln~~~ed at .~8±2 rom whi~h will give a clearnace of . ',4 mm between brake ·o'Pock and ~hGel traaq.. .,' .

I

.... '..' .

..

5.4

i ".5.5 . •

---'-'- ..... -- . <"

./0

•

- 5 -.

!rna :Clltor of m valve snould, be cl ca.nod roUnd~ trip. . I •

, DA. valve, developing defect enrouteshould . be .

bye-pqaaed. . . .

,5..6, Seized, defective ciiihot roller bearings 'should not be attended to in sick lines. Such "'heel sets should be• 'boo~d to the shops for attention.

~. 7 Any shock absorber showing signs 'of le~go orpbyeical . datla.ge should be replaced by overhauled or hew one•.. , .

, .

5.8 ./J. ,vacuun level 0 f 510::t"J in t re Loconotive and 49~·in the brake van, should be naintaine a.. :' ,

5.Q At the starting station, all vacuun. "etVlinders should be in wo ming 0 mer. Not Dore t ban .L cyl~e'i:" can be duon.1ed enroute, if ne ces/?ary.

5.10 !rhe level of oil in the da~h.,pot and side bearers eho~d be checked once in 15 d'aye anl replenished, if necessary. \'lhenever any dash-pot in 'priL1alY suspension shows signs of contil?-ued 011 l.eakage, through tho sealing rings, the bogie'should be lifted am the rub' er sealing ring checked and replaced, 1f need bo.. In that event, t~ dia;1etrical clearance between th(: guide bush an d the lower spri..'1g seat shoUld also be checked. If th.is. olearWHX) '1.'3 found to be oore than \1.6~, the wt?rn-out

• ccnponent should be replaced. !rne pcr:Jlssible wear 'on lower spring seat is O.4nn ahd that on the bush is i.2nD.

. " It, should be ensured tho. t the vem screw alongwith -washer on the dashpot is sitting prop3rlY and the oil docs 'not leak through it. Excessive lc~k<:ge freo any other loca­tion should be pmparly attended to.'

. 5.11 ·!rho equalising stO¥B should'be greased once in e,very 15 day ~ thro ugh the grease nipple.; ..,.

,5.12 The 6?XiDUO radi81 cl~a:ro.ncebetween the braJ~ g-ear pinS' and bushes sh.ould be li.."Jited toO. 750.'":1. Brake blocks should be rep19. oed '1'lhon ·they wear out to' a thicknesS

Of' 2On::l. It should be' ensured that the bm)r.el'.blocks on the Ba::::lC br'2.1ID 'bea.:J. are of equal" thiclr..ness~'

6 HI STOHY ~RD '\, .

In the" Carripge ·:Haintenaree Depots, \,,rhere ,pri"1sry attention is given, 0. de;tailed:,histOI"jf carn for c'\ CTy bogie / coach nade fit for operotion upto 100 kn/h should be iio..intoincd giving details o:f neintencnce probleu8 arisll-Jg iroD: ti8e.to .tine and tho attent5.on• :given.. :- - '

, -.... '--.-_..:.

•• • • • • • • • • • • • •

'>~

.

.:'

.:

~. ".:.:~:~:..~.

~. "'\.11'. ' .

. • . ,',., . '" , J : ".

iri'tr'odu c1: ion'" '. ).

,,:.:,\~~:,.::~;;, .._> .:±t-it3.·~ne~eS$.u:y t~ri' ~',or:Js1d'er more tici·e'ntiiic :metbod~ .£or >~:~,,/,"'ruj:pe'c~ion and'mai'n'tena:nce of' tr~6·k.to cc,n~()rm to the i.mproved· . i:':~t~nd:ti'd5 "9f to1.eran ce s' laid clpwn .for h ieher s~€€ds. Frior ':to' t ~e

tntroo!.:ction oftr.e Fink CitY.-·Express· on the DE'l~-i-J.ai;'ii"r rout!', . '}'.' ttJc' c:u€stion of trc.clc tolera:lces. on FG for a maxirrum st:l €ed of , (0; 1,1PO'~/h 't'taa studied in detail by oorrelp.tion o:f. t;"'erformance b€:bWeen

:·tbe·.~Yehiel'e behaviour and the irregulariti.es in the track geoDIe.try:." . ',>'BaseA 'Qn these" st lld i €!3 an d on the pract ic.e,? obtainirg in ot~er ..'. ,', :.·.couqtr.ie S .'''1hez:e·hig b~r speec1~. ba~ bee r. in forcs' for- some ·tiO::1€ ,

: .•.•. in;provec1 "serVice' trt>:ck .'tol €.rances were evo:lved for our cc:.di't'i'o.-:s ..... \:.:'.:'·~r,d::t~Z'.ve been.det"'.iled, in the.::mSO.·repor:t I·To.C~138 3.9 moc1.ifi €d .viae. '.':. ;,.l~ttd ... No ~CRA/1'19/20 dt. :29~ 1.• 77•..The se service tolerc- nee's. er·e.. ." ­";":re:-r,o~cced at annexure .te'.· . .

·1··~'2~·. . Eve n:"·tbo.L'gh tbese ,.tr~ck.·,t'oier~.nge·s were l~id doiJt1 'as .'.: : ..:serviO€ toleranees for the' increase' of' spe€c1 on r-~.G. upto 100km/b, .

/': :.;(tb:~ ~eihlays l~a,Ye be e.ndirec't.i ng t heir ·~.f.forts to i:mpr ove the. trz.ok ,.:,:,:.:': on ~inost ·of the1~. tru~ar..d mal'n: lines'. ~;·ou.~.e's so as ·to conform to

. '1).;:1 ~hese. ·standard~.· ,.... .' .... , '" ." .. ;,' ~ ,~,' ~j'~ ,~.: " ••••:!~ :::"~ .'"::". "~': .._0:. '. : ' •• , '.•• ,..:' or. ..

;·"."~~'3-:' ·;"Tbe::W~y.& ~!9,)<~~nual ;ha~.·laid:dowo t.hat the track . :.:' ( shquld. be 'inspected by :the As'sistant Engine'er,. PYJI ,etc'.' by !:oo't ..: ,:;.': plate J · brake Vaos t :tl"ollies and by foot •. U;-. i1-e tbe 'se. i nspectipnG .'

..},!~':;i~euset\ll ~'~ ,sbo~id ~~:s·tr:ictl-y~.adbel:'ed to, ·it"d 11.,be appre~iated ::,·,'t. :::-;tbat -there 'is a ~ubj.e.~~;iye eleJI:E nt In ,eu'eh inspectio n s'W'hiqh" can, L,":"llot be cOt:'??letely ·eliinipated.'· ·Decisions :·particulClxly f'or·prog~nmr.~ed .:: ;~;·mair.te ranee .etc. can' b.e'st b~':' tal{en~ 'if ba;se~ 'on a~ mot'e objecti-\>:8··.·i/:.<,< aBS£: ssmm t •... In the .past, l'I<:+.l~ade T.t'.ack Re.c·~ders:were -usedi'Qr:' _!

i" ::>.. Sccian objective ,asse s~men.t,but as" the se :r:ec.order s were not ·dir €ct '.·;;:·...mea.G~:ring ,instruments,. :they .only· serve'd ··togiYe :a' qua'ii ~ative .

. :E}ncio".tio::'J •. based ..on ~h~eos~illat.ioria.l b.ehav~~:)llr· of tb e· ,reqi?1f:i:n "', , 'Which theP..ecorder.· was p,la..ced.··. A.s these Re'corders were of' 1'1.m1ted .,:·:.~.·.·~~,:l.i!ty.. 'i:{M:~G:,. tra~~ ,.r.ecor~.ng ca~ :I.·~a·s· built; in ~ 969 :for. -uSe. on

,> :'./':·!ndiar. Rt-:il,.,ays.\'1bic'h woas' able ·to,recor d the' trac~ parameters .·by ; :'~:~':",dfrect ~eflsurer.,Ents:~.· On~ mor.e Sudt1.·tr2-ck.re~ording car ·is ,being : .... mc.r;..n'<:c~tired,f~,l.'\,·.uose-ori.the:~:rnd:an·.RJiil\'lay"s.· \,Jith the exis'bing, . . '-;::"on~ car it is·po.ssible··to record·every year about 1500.0 kIn o.:f.~ra,.c~( ,.' ·':on tt:e i~etre' Ga!Jge·•.. It is eJtP~cted thco.t· o:ne more ~ar 'will be ,.:,' .·re£dy 10rse"rvice- by ·th~ middle .of 1977· and-ther. .it should b.e ,,, .::': i ..po~sible .''t orecord al1:.~the·:lmporta'rrttrunk ro.ut es ;2.00. !':ai n ':'lines '.'; .', ;.·onceiu·4 ;·ltIoQthsYJbi~\'l·would·.mean abo\Jt "30000 recording .km/y€~ for \:':'·~··.';both tbe cars toget her.~' :In i;heinitial stages for a\?eri'od of' :. .i.~Jout on~ year a.fter· introduotion ,'of' the' hLgb sneed ;trains. it ."may

." ,'.<be necessc:ry to checl<:the stendard'of'mc int0r:ance of the trc.ck 'Vitht

.... : ··ttE:;· hell' of ·tn~ .'J;'rzc~ Recordiq:; Car or Oscillogra'Jh Car et more ': . .' ~ . :f'rec'.:.ent intervals of .say once in .two months to assist the p.~.ray " ·'st2.ff to keep up the me.intenar.ce to the rec:uired sta:r.dG.rd o It

....... yo·:.lcl, ~hereforE f be possible to have a sciE:.r.tific checlc of t~le..t.rnck

.. ·1·21:377.· -.' . ~ / • ~.'f:' ... • ~.t ...

.. ' . . ..~

~ii- }"", '.

'tc~: ',can, bE:

'ti1~?i?f ".necess.~ry

___,.....-----------~ -""""--~-"-""""""""""'''''''''-~"""""""'==l.....~B!!"""""'-", • '&' ~ l~;;try fairl~' frequently and such a CheCk could forn the

"-s' on ,."l1J.Ch,t h~ maintenance w')rks ~oul~ be pl3.:1nE7d 2nd ··,J'l1ted-•. The J?Cl~n, f~a;ture~ ?,f the'se tr::~ck, recor~lo~ c,-,rsdC?classif1cat~on-of track, 'b;1sed on track' record.~i1g car " rts are given in a-ane,xure'IAI. and t J?I reSpectivelJ.

. .' • • .... ... .'... ':.'

<Y ,: It wi~l be ,?bserved tl]at while unevenness, tvlif~t accurately measured,.. t here 1S~ no': 'aX,' rang~ment

l"·r~~eas.ureUle~~.p~. al~,gnm~nt., . t1o~everl :~-il~:. ~ ~ h ~J.t::lC the . , me~s~~nt ~fa+,1~rlm~(lt).1s '",!ltroduce'~J, J.t i.1o..;' be , _ f,~. QScil:J.og~aph· c..ars '~o,be ',run ~ng/ or grqund

;!'l!leasureinei1ts't~ken.,''Port.:lole, licceler,ornetlfrs ,c:;ln .;llao'be ' :.' uS~?-'-r~o( th,~.sI?ti.rp0se_, .. ' ;'. , _,.' . ; ,'.. .. ~':' ,I •• ;....... 1 .. I •. ' .'; I. '. • .' •• ~ -; .- '•.: _. ~.! • . ~ __ , , .. _~ .. : _. " .

~~1~~r:: ~ T~le trD.ck,':recotc;i~ng.,¢l1a:r:ts ,obtained rr-:>m the 5e 'J:r:;:ck :,:Reco~p-i'n~ q.":~.s.: sh9u1d fo~mJ:~he ~~s1:-~' t:<>.r 'i"[l~med~~te attei1tiQn ,of'>~hOs8~points'arid "laces 'wherE:i' the ,itregularit1e s are such . . t!iat:tneY ZO'~\:l~h ,bey:-)lfd -, thfpr~~c.I'i~d t ')l~ranCf' s l! "Bes:'des, .~ ;·~thes,e"ch3.rts s~'lould'be analysc14"·system,:;.tical1y 5.0 as to , :'·~r.i:i~, aft the ",tener.:..l"statE1/of ,~a1ziteruncednd such an O'!1.3:lysis

, can j'orm the oos1$' for- programrlled 'mc1;ntenanpe:. :', .. '. " , ­ .'

f ~.. : " ?O' "";',J~q,t~ :T.r:.~G..kRecQrd:hn~ Charts":',' .\\~"".~.;.'~:'!:.~~:.?·t,·..... '. ';') . ··· ....·i:.;. 1~".. ::i, .;- ·'i '. ".:." "

: ":'2,_~<~: ...During. the:i run' of' ',the ,Yrack::Recbrding Car " the ~'concerne-d Divisional Engineer; 'theAssis,tant"':ngineer,the'

"Parmane nt '.b.;,~ InSpectors' and nomina ted staff rom ;the '. , Headquarte rs Office should accompany and nott:: --::>WU 'the Kilo­meters needing' i~nietjiateattenticin.~ The- PetE nent 'Way .

'Ins-peG,tors Should "tal{e,~immed1ate'actibn;to' €lj.mlniCl.te the '--:ma,j'or fa:ultsat, ~he earliest p(issible :6ppor~u(.litY'; At the

r'f7lid' of- the dayts -journey·the -"harts Shouldbe"t'aken out l t~',n:d(S~rit' 'tlj th8 'Heacil.;iuarters <Jffice for -obtafning copies .' '-r:'b1f:f~r~o,..:prf!1t-inge'::;'Yathln7 'days of ~he ruri~of.~theTrack ,,:-,Re~oI'di,!Z'Car,:"the se cl;1art,s ,should be a:nalysed:, "t~e track _ '

e.J:a:sSif:Led .into--vari0us, categorieis laspE> rann'~xu~ t Bt , a:"," ';-c'oi:n~'l"iSo:10ftr;f;,'tecords ofeaco' 'section ,with the DreviOT~s

L'r.~ri }i~ad~i' details:'~f' ~dc,a~i'o'ns'_.,t:€!.~~~g·at,tedti?n:indicated. !,,~n.:i.sentto the ~~V:lSJ.Ons 'for on'W'3.td,;transmiS'Sl.on to the ';::ciafrltei12,~·c2i.;.nit'-s~ ': ,SJle,c'ia.l:',attent~onls to,':be: paid by the , r-t~aint~na,n~e'unitsr ~'to ·,the""places '\vhere ~,t'he::trregularities . tn'e",high ,(;. ,11 'id~ere'the defec~-s ;arre' freappearing' l.n ' ,'" ' ::.sucGel?sive :tr3c~ re-cord1ng"rt.itiS .. "It·'shoClld· be ensured'

,:t~~t·..th:tsirif'orm;;.tion'is';passed oll:tothese uni.ts within ".seveh'd.J.§'s df the 'run alf)ng ytith :co"'lies'of 'the tro.ck .~ooI'dirib· ch.;.rts~· The-sEl'charts' :;ire very ·1'ielpful for ',cC?~t'rollins the trick m:rintenan:ceworks , issuing instruc­;tl.oris't,')' t:'1e 1."\8.rrtJ.nent,'w~.., maintenance units and for

:~ ¢o-mpi'i\iscn a~~' reg':lrds~·th.e~'1mprqvement o'r deterioration in' " 'the condition of .the track. ; 'This ,contro1.shoti1:doo eXG?r­;;~:crtie,~.-:n6t'.:o;llY,' : rr?rri~~~r..e ,He~dCJ.ua,rters, Of'fice :'but also at , the '"leyel's of tne 'D.J:!,;.:Is,. .AE~~s D.Tld "-Inspeotors who should b2 ;a'ble' t'o nn.J.l~: sesection ;by,se'ctidnwhe're a tt'en'tion is

'rr~,.:~irej. -1'6, fac~~i,ta~e ar;aTyS·is 'andc0t?IIi risen a number ." 'Ol?~_~rts ::re to D3' m:::.~ntaJ.ned in the ChJ.ef E,ngineer1 s

1

' :- OffJ.ce, , ,~nd -the

,

J,"-\

.Jt. '

> . tr. "

tne'Divisio~:ll Office J the Sub-Divisi'oml Office " P,H I s OfTi,ce.. Det::t.iJ_s of such cQ:.rts are fTiven below .. ....

•

'. '~~" ••" ~ <;"";_" :."'~.:.. ~":<. i,-, "~:~""'r:\.... '"';.".>'.~ ...-...~..... ~

:~". . - ,

,." . ),.; .. /

tile.' ", C~'1rts • " . ..,'1.

~,' " .',

, '.". . '"

, '., ~ ,

•..• : - • j ......

',: ". '. ,.. '. ',::. ... .

'to be maintained in Heudquart.eX_I~s-:, Offl~ '.' • , ..~ • '.. .

,1.: The per'centage.:of :'tr~ck: falling in c:.tegories 'A~ B, -C J 'D ~? a.nalysed: from 'var.lous tr.::.ck .

~,cord~pg .runs,c!QX:..'tqe···entire ,route ,for the :·,.~~ra~e~e~~:~,pf .u~!e.nness ,'tw~st :lond g~:.u.g~.",

.. 2. ,Charts shr1wing'the' cumulative' numl:?er of j)eak,s

exceeding .~/8 mmfor u!leve'1l1ess~, '3 illIll/m for, . 'twist :lnd 6 rom in ,respect of gauge for" "'_ .

. successive trac~_ ~ecording rU11S~ .' ,

".9.h:::rts to be tla~nt~ined in the Di.Yi§.i.Ql1.

'

. " '. 'Thesi.lme-- Chart~ -as m.'lint:lined in' ·the He~dC:u.:lrter~, :Office can also be"mo:intained in ,the Divisions for their

.' resp:;ctive jurisdicbions. Inuddition, ch::trts showing: ~ ',' 'kilometer-I'lis~ cat8gorisatiQn ,in different colours for each

:p.:l.t'ti.mc. tershdtild. ':0.1 so be' maint:lined for e'.lsy visual. , ; .. ,::,~pprecia.tio~ 'of t he state 'of: maintenance :.nd for comp:Lrutive , .,ass.essments.. . .' . .

". ., ~ .. ~ .

2.4 Charts to be. In,.'lintained' bY' t.he PWI. • i

. The,PiI{I'shbul'd.'maint~1n :a,':Chart 'for~' the, parameters · :in resnf'ct lOf·eo:cl1'kilometre.:of hiS' section in' t::ifferent .

, . ·"coloL':..~s,'to(indic3,te the,iIDpr9vem~nt or dete"riorut1on . in S~.1C ceS sive Tu!1S. . " ,

.. -.. . .'

'2.5- In addition to the above Gh:lrts the cl:.lsSification sho'.lj inc~ude thenumbe'r of peakf?· exc~eaineastipulated value ::.nd., must be ,indicated uS SUffix to the crrtegory.

,A closs .stud.y of the cmrt ;l.tSE?lf.,.p.hQuldhowever ' be 'i~1siSted on as it will indic~teex3.ctly theloc<'i.tion of bad

, spots and also .Giv~ valuable insightin'~o the ~...~ture of ~~.~;,thG, troubles ·':.1nd ·'itSc.:!uses • .- ,": '" "

«, , - ' ..; , ,OrganisAt.ion :,'

~ .... .. ....

·:·,3·.·1~,i. A Pl'Ol)C:'T orgO:nis~.tlon,Shou1d bC ~et up :1;1 -the · ~. Cl1ier I:r:binee.r's Office' f01' p:rompt nn..'\lysis of theSe ·tr~ck: recording' charts and for, conveying the results of.

tt'1~ ,tlr'...,..'11ySisto th~ 'Priv1sional. I Mnintemnce Units. This , orS,2.!1is:..:..tioh should. keep ',the Chief Track Engineer/ Chief

" . E:1~in€:c r':2,nd the D;y.C o,.E'TM)., posted wi thupto-:d.:lte . -inforLQJtion ab'1ut the, re'sults ·ofthe an.~lysis _o~- these c!1~rtls so .-th:.t the Divisions cOl..lldhe guided on the

, .pn,incto iL:.•1ce methods to be :J.do')ted ,.,The reve r necc sS~:irY •

. ,2~2. At th\'3 J?;tviSioQ::.l level, the Senior DElr ( Dl-yision8.1 · - .!1:~~J..n8er Shoula keep or...e or t"l.,TO Dr::tftst.'1Bn to m:-~J..nt::nn

. 'toe se c::t.rt s So th2. t tbCh'L:l inteWlnce units could be ~d.ViS8d. vrhe:l.'e J;C,i~1ten~nce is t') be directed. ~

Con tel .. Q e • Y-!­• 1- ~~ ".... .;- .._~~.' ',.: . _;

. I 4 .s ..... ~

. • >' .

'3' ~J" . orir:::·nis8. tion at t he ~evel of the cninte':'~~1Ce unitS.,:It is nccesS.::'.ry th~~ t9(' m::unten:lnce uni:ts are prolKrly

.. . .' .. ' .. ' .

>t.:;: or~a:lj·sc d and trained So as to pe able '. to und~ rs:.:?nd ·;'·,"';·"tpe. irj'orm:.). t1oJ;'ltratts given' to them in r~,' S·'.rd ":.8 the : . ' gel1er.~l condit:1,on. of the track and. t}lc: .:toc.:.:tions , ..There I",\t!le':.~fects .3.r,q record(~d,. the. exten~-:m.d:TI[:,ture 01 the

·.":·\defec.ts, so ,that· the ,ntJ.intenanc9 worltS could beprope!ly".?:' Pl;l.nne ,d. , .: . ." .

:.:::;'.:·:.~3:{4·:~.:: In"'o'rd~~: to. ke'e;': <:;:cl'os~ '~~t'~h '~n ~.h~ inplementa­.. ·t1on:' (If various, measureS to improve' tl'~e. tr:.l.CK geometry J .'

.si~e. checks by' inspe Gtors!engincers. shou,ld be rn::de more. . .frequent .and . the frequency 'of. ,such chec'ks ,shoulClbe laid·, .. ,d~~,bY the Chief Engineer•. :.' ":'. ';' ..

.l;~, ' Act ions hciuld be .t<lken to :~')rov1de·w.')ode'n sleepe rS o.t .the joints ea.-rIy, if not ul;reaiiy 'existing so th:.t m::t Ll1t~r:~nce O.f, jpints. ma~-.he effectiveJ.y done ..\r.i.. th Hcasured Shovel Pn.cking.. " ,... . . ' . .

.'.:'.: ~~'2"/ ::;' "ihcr0' woodon sl8epers are nV::dla bJ.(;: ':tt joints it is :' .: ~es~cnt':i':.1 tho. t M.&. P. is currie d out, so as to obtain e.' l::ette r .,';;an~ l:)sting surfa.ce and to m1ni:1i~e ..unEve-lffi0SS ·a.nd twist • . ::'>·.:~:;i·'> ~~.'. . '._ ... ~."'.

: ··5·. '. ·Rea1i~tiUle·nt of ,curves.: ' :' .•

I' ···:~5~·1· .:An orgn~isat:lo~.·sh~Uldbe set up f~r ~yst€]j13.tic \":~i;"'-:r'eal~gn:":i~nt of:curveSe· \~'1ile it is necess:l.ry thc:.t the work J. ..", .of·::r~~1ig;U!lent of all curves should be. tu.¥.en uP". thei.' .. ',follO"'1ng sho\Ald· be ~+ven ,higher prior~t.Y. ~..

l:'. ..:: t <:l.) all curves "('1ich are rj.ding badly. . i ;'.' , ,.:....... ; .~( h) CurVE s from which turnouts ·a.re.t::-'1cin;s offt . 'at stations... . . . ' .. lI ;" ..:(c) .Curves where' rate ofch.~nge of cant orc..

I:' . . ~".: '. cb.ntdeficiBn~J is more than 32 rim!s'ec •. I <:5. ',:;,EO ~1JifueQt f"r •t 11'; g;;n~ S .. ' ."

.... \.:. ',.T,J 3.chieve the pre scribed tole r!:ll1ce s for ·the p::-.ram<;ters ~. . of t:r.::-,'ck geometry s~t is essential thn.t t h~ track tools t' and. t:Le :neasuring equipmer.t are irnproved. "'Accurate 2.nd r. '" sensitivemeQ.surine equipment is an essentbl pre-requisit,ef .. to improve the st:::.nd:::..rd of track m'linternnce. It 1.s , therefore',I' .'.. necessi:.:.r~J t.h~.':.t the, €i,iu:i,pment: for m8·..:~uring the ~ligr;:r~nt1f .' -:uneye;lD<:.3S, giuge,t\-list Dona.. cross-·levels Should be .cap.-1.o1er . of re:.:d:i~1S .up to an .:lCCurac~'· of' 1mm. so that the m:ur.ten::.nce I, u~its .~~FE; in a' pC'~~tien to, minitor ~he defe~tsl rectify ~,t. tJ1CSaiill? -3.nd are aole·to cneck.Whetner the deSlredstandards \ ' .. have 'been ::.chieved. :it ,the·time of maintenance. This t .' Bql;li:prne~t Should be ~":de ·av::tilable to n11 tnc. IT.c.:.in~en:ln~ 1 u..~lts 'Q!! section.s I·mere speeds of over 75 kWh :'..r~ to be I.' '.introduc e- cl" . I.

~ ... ;. ': -"

. ,• 11",

•• • •

'5 c.. • E::.ch .of thE,! ::nrtintenunce units should 'bt:: .provided

'l'th': the folloWingm~nimumadditional eCll;~p!'IJ,ent :

,.' :G:~uge-cuin-icvel (coin":'lete ,. with ' '1 no• . ;;.:;.,;.:. spirit level and box) to RDSOjT-487 for 1'1G' " /",'- i.: Ds.nsoroeter . ( with box) to Dra'tlng No.

:':1; .. ~/T....50 fOJI' N.G. .: ,., '. 'it .nos.It -:.. ... ~

'3~: F}cxilaeter..,{ .with ,'bO~):i to D,ro.w:!ng No ..' .' 2 noS.<_·J:.d~· ~iR9./T-48 " .'. ' ",

~·4·. C::;'jn€ -o.-boul.e \nth rubber cover to . - ,Dr~.\'l.~:1~ No.R.-qC/T...l~3 for wooden sleepors

~ or rr....C;T-57 for stec: 1 sleepers. 1 no.

:r,... Von-in:f:.ringing tro,Ck jaCk ·to' . Dr:-.\.Ji ng No. R..'9C/T f'1'!' M.G.

- 6, Stepp8d feeler gauge to , ': Drl..n·ling No., R.'iCjT-38·:· ' 1 no.

, 7. -:Nylon cord -15 metres long' ·'and·tested for 16 Kg.' . 1 no.

8. SteE::l scale - 15 cm long' and , 'gr2.G..l1C'.tcd in millimetres 1 no.

" , . ,

,_,!n a..:idition to the above J' 'Where MSP of joints is . "':j~o';bec~rri€douti the following equipment Should be avail3.ble , .tq:;the :.tJui..'1tenance units ;

t

1. Doz'ing shovels ...... 2, nos.,r· ;' 2. P~~cking ,Shovels 2 nos. 3. Blunt erided crO\{b:lrs 6 11

~. Hoo~ers " 2' fI

,', • •••I" ' 5. Opening beuters ·.. '. 4 11

I Furtbr;;rJ vlsieur .:tnd Mire and pCl.ckin!" pieces <..re to be suppli €d where continu,us ~acking'\nth ~SP is being done. The

I. Per~:..nent v1ay go.nGmen ~ key men and mates., and supervisory , stJ.lf, should be tra.in8Cl in tl1e pr')pcr use of thGSe toolS, " . equip;:D',;nt :md the methods of m:linte nance •

7. ,,}mnravemei~~j;o: Foints QIld Crossinf; : - ..'­

.... , F,or speeds' over 7'5 km/hJ

it is essential t~1:~t spcciQl . tittention is -p.::t.id to the mC\.~ntemnce of points ,:J.nd CI'OSSi~1.~S~ E::.ch assdrnbly of pointS "nd crossines oyer

" "shieh,: to r.e tr,::-.inS ' \oo"ill run at speeds ove r 75 km/h shJ.ll be thorOi.lgblj' checked trt ensure that the fastenin-,s ::'.re . in

", good 'condition and properly assembledo The weB.r on nose and wing ,r;::ils) clenr~ncesi g:J.uge) condition of fittings o.nd s\dtch rQils etc o shou d be checked system~ticQ~lY as

;' fre~:,ucntly 2,.S possible and prompt, steps t:-J-;:en to repl:lc€!' 'rectify all deJects nnd worn out parts 0 The freQ.uency of 'suCh" L1Spection Should be laid down by the Chief Enbj·neer.. Any defects 3. t t he time ofla,}' ing should be syster::i:ltically ,;,cctifiE,;d~ Spe.ci:'.l attention should be p3.id to : p2cking

,ofOths sleepers under the crossing blocks stocl~ joints,' bend in the r::.il ::.t t he theoretical 'toe of S'i..,ritc!:'J :.\lignm0nt

f"Or...t~hc, r~il": in tt:oO le,d portions on thO m~in line sido,

t Cant d ••.• 6/­·f, . (

'.

151

...... " ~ t ra1~S t gllugj.nr; sP':c i':lll:- on , c:u:'~, ·es r l:J.vouts. ' Spect~J.. attEntirm sh0':.ld ~:lso be

,. s,~ei;l~' "'tO~~ 1dru1n:1ge. and. .i~' nC:CG:, 3 r try d.e ep sc rs~~~i:lg ·shot:.ld _Po04 w. .~o n~ -,. hi .. n . "'1' 25 ,.·1 .... rolr~'n b!ll" t .. ,be '-c:irried out ~nJ.L~us . on g~ve W1. ',' 1 ID-: iJ -~~. .... .J",;l~ •

-:,A'nUl!l~r of joint.s .. :Ln the .points ::l.l:,d crOSG~i.1gs C~11 ?e f;l~min, . ·'ted by welding specially those en th~, str,n~!1~ :p~rtl.on of th

. : .... ·t·r:?.ck in the leD d ~orti?n of tl:e turnouts" ::::'* ::::hOi

. ~: &;tcsaiirt;F ~ at 1 8 I'OJ" "'IlJ 6? they iii! Ai: A!tJP . _ •• Thi '~,will reduce Vle punishment on the tra.ck due to theimpucts n '\"p::trasitic movements of the vehicles. ..

,8 •..

, Speci~l nttenti")n h.:I.S to be given for mi1ntenan ',joints and following should b~ ensure~ :-' , .

i) All th8 r:::.i1 ends nndbolt holes should be . ex~min~j for nny siGns of in~ipient cr~cks, etc. With the =l.id of m6.;:;nifyiLl8 gl:>.88 'J,ni lI]'irrors nfter thorough clenning and !~~sYll of fish­

.' . plate s, ,{(li10 o'''lcnin;1. thej cii.r.ts for_.l'..lorico.­. , . tionin termS of par:). ~6}7 of In:li:ln .t\:,ilw3.ys

. t Way & WorkS l-bnual* 1:"'1 r;.clI,U.t.,'~(;_1,. the::- !'ail ends and the bolt ho1ss rb.0ull :,,18.) 'cr;; cX2.8ined in n.

.:' ': . simil::.r rrl1.il!1E;-r :lftc~,~ reiiJ.o~J:~l ():~ ·flsh"·yln.teS nrior to'on-set of c01d weather in c~se of 601b rails •.

1i) Ga.p .surveY<lt s,ult3.ble interv~ls s'hould be' co~ducted a~d adjustocnt of 3~P~ snou1~ be done So Q.S to er.s·l~:'8 ,th.:lt ·the 2:3.pS at thE' joints are

'.~ ­,.:. rnot 'excessivc' ~.>.t ~njr t.i.l!le. T:1E; gaps. s;lOuld

pre f er:lb'~.y b't;~ "n'"..ri,; .~n· 6" ramc ! . . 4: . ~

iii) 'It ShC'.J;d.lr ens'.lr\-!d th~t there 3.re no low '~J...: . ,••'.~~ ...._~.' 'fl'.. n 'j.....,tt· ~. ..: the'

,_, .\.':1 .' j o:p.~ -..L: .....~~e ",. E'.J,lr., .. ,." .-!_,., creLl .J.!1..... ~ .

• < chj.ppc':' '::Jc;.}' of' J~.h) r2.ils.lv.~ve to be 'replaced .or.. 'li'L,;,:ic.u},.\ ~'Sf;ul3.~.ly'4' . Fer this pl".rpGSS, speci~l m:lirl1;c:l1,.:mce effort s .s h0'.11ct b~ ID3.de.

•

: • .. • .. I

. . iv) Joint s158':'s rs :'15 well as ~houlcl.e r s:.l€E:p8rS

... shot:ld. bc" in' sound" c'dnditiOri' and nnintained '

\ole ~ 1.··p:.'..'CkG d(J .

v) The fis~l b,lts.sl1'·mld b~ ~,tl\';].ys k.e:o~:, fully tiCh:'f.":KJ"e. The l':.f::·nen r:'(·l·.:.d D3 l;'X'::::'-:: vigil~lnt ::.nc.. c :'J..::' ~ ~t fre Ci '.lC l1t ly : t 1:. l~. >:lu,:-l t s '""":.:l nt ~'le r fi t tin.'g'" ~'irij,' 'cn~"arc ..th,?~ ~. t~ :~ ~1-,0.~!.n ~ 11::;' proper . ~it tin.;... . '" -'" "

, . .. . ','

. Hhc re si-:}.e\.!(~,3.r of r :,.:d 3 .:' s· : ;o:LC t l:':-~~1 L. 5 Ill::1 and \.,ritl1-J,."'1 0 ,.",.., ';·r1ter,I",,,,"r.~..L""'CT ·Gr·tL':"· ..·i'l'r "f ·l·. ..,·i"L·'" ." br,... .; J..!..l.U,J. oJ-.. ~ L ... J. ~"'l J . "'...., 4. - ~ .. ~ u..... ~. ~'.. ." \. h ...: -,

. ·undert:J~c;n ·on curves to 1.1~lte use (,)J tn,' :lX1-:' :li,TE sids of ,. • '-J ~

the r. lls. .' , 19", ID..tJ'.2..§.9Jli£ J~~_~t.~~_Qf_~U~. : .

... ,a" ' .. R::Gul.~r ~·.;~~LLtori~1~; t,y u~Lt.r.J.S(Jnic r:J.il fl:-:l·,·,~ dete::~-:;tors snocl~.bc dn.18 of the ent.ire rl1u'::.e D.t intE:I'·v:-·:' '"1::::; exceeding

. 0.1.0 'JC [' r uncle r t h" sUDe r-i SI)n of t r~-l'i '1'}(; J. ., v,rI . ""'j''''' ie 11(","<1­.J..... ~ ....- "..L . • __ .... .l\...\,. "'''''''1'~ r ....

st'J.f1.. Sp.,?:ci::..l c.tte.1ti0n 113.S to be Ji',"en t:, t l~co stretches of old rc..ils undo ttll,j freQuency suit:'lbly inc:re:--:ssc..

~

~... . .,. r'~~01.· ;:';':~':"t:: ~ :;:~:P: '::~ ".~. ~;,:.~< '.:

. .

CAR " ~" .. ' . .

,,?,."~AACK :m,dOiIDING ~~~~~ ...

:;/',,~:i:(!?;';~i;cT;~'Mlret;;;'~~'~'i~bogie~:~;,;{'noroally done

'}t'~;- ./:tvist ~ '<:o.re

:·.:Th..~, ~ T~uck .. Re.cordingC3.r ,on ~.!the. M,)G. h2..5 t\{O, ax1;ed bC>,gi~s., Th~ !J.X1f; .l.o~\d of, the ~~·o'xled is.approx~ ~f.tonneso.;T,he track re?OrCUilC is

at. 3. speed of 65 kmph u Tins is C2.p..'1 ble ':~<;~>:of 1!lc::.surin~ tra'ck geometry p3.r::.n~ters ,of unevenness,

~nd gauge ·of,ea.ch rail. ' Unevennes sand. t\'list recorded under J.oad. A brief description as to

. ,,: · ..·how· each paT::lmeter -is measured is indicated 0010\·/ • • '0 ~. -. ••••• • • • .'

~ .. , .

·~Y.lle.Y.e_nne s s.::> .'

....',. .' ,The longitudin:1l unevenness of' r:J.ils is ·me.isured as t he dena tton in the veriic:tl nlune C depress1on~ ,orrlse). of the middle axle of the "

,. ·:.tp.e6.s uring bogie with J:'€spect to the av.ero..ge. of the " " ":;pos.itions :of the two 'outer axles. This me.,suremcnt

" ist::l.ken' to the recoI\.i.ing '·instrument from t he relative :> ;~'9t'j"on of the:·. centra.l 3.y..le with respect to a longi­

~ .. tudinal bso.mconnecred to the two outer !lxle sand " ',;'hq,v1ng s\.,rind'ow ·for .th.e central axle fI This 'is recorded

, '.: j~p f\lll~cale,:01 ·1 :1 for·..J..eft ~nd rieht rails senar<::.tely • . ; ":A~ the outerrixles n.re placed at :l distance of 2 .. 74- m, .

..: t,hc uncve:nnes s is measJ.lI'e c;l on, a bJ.se of 2.74 m. :. . ~ ," ! • . .. .' • • • • . '

~. .•' t. '. .. . . ,:-:: G~u""e' • .'

.•..• ~ • ....t. 6 •. ,"r.: ". :,'. .'. , .

.. :.,'~; -:.,,;.; .. Tbe Ch:in6~~' in ·the gauGe are pi~kGd up t, .. ,,;a~.: 't.he ~pper :LrmS of gaugefeele 1"S which are pressed on to i ;' :the'opposite 'rd,ils and· the rela t'ive motions are C3. rriedi.

f .;: el~ctdrond' itcally .. to therre1,cord11ng :tnstrument c:.~nd isf. ..~cor c .. 0 a ScaJ.e 0 :.. . .....

.... :~_: , ;

,":: The TWist is measured as the rel~"'.tive ." . 'out- of planeness of. one oft he 4 wheels with respect to

l"· ": ~ " ..t1?e .,·plane forme.d b_'1," tlle other thrE:e '~;heels of t11e oui~e I~ ~.! 'axle s of the neasurine; bogie. The; picking of the ,.' . InOvQuents of the . axle" tind the transmission is doneI, electronically. If u, b are the meaSurements under trlB ! ~Y..le box ~of the leadinB axle and c) d :".l.re tho rel"'t.tive

mOVt-l:1PntS of the axle j ourllalS of the reo.r :lxle, the n, . 0. ...~-b-c indico.te the twist over the b:.~.S6 of 2.74 m.. ' . The twist is recorded to m~gnifi~d sc~le of 1 ; 5~

•

.' ~.. II _

" .. ~ ~ ~. '. ­

,; 'Cl<l.SSif1co.ti'on '6f."track' b.1.s'ed' on on .t.._

: tro..~clc r€cording~' c'l~,rt s.:· .;: . <--------'. . ' . . '.:. ..',." .:.;...... ".' ...........- ...... ' ..:" ..;"

. , "f" • ~.( •

~ "Th~ \r~.cl-:'~ecordin3 cl:l;'rts are analysed for c~c.h p2.ra-mete r ·as' untie r : ,~ ', ­

"'.. (iF Uneve ,1ness : C~tegory tAt Upto 3 lIlm

, '( ChICI' r~ '. beise Category, t BI Upto'5'T!l!Il . : of 2.74m ) Category te I U':)t 0 8 mITI

Category tDI 'oVer 8 mm .. : ..

. :. ," I.

(ii) ~Grn:tge . .. ,'.Category . rA r . • V:lrin tion upt-o .t 3 mm '" ; Category tBI V2..ria tion upto±; 6 mm

. :. '.~ ,". ' .: . . Category tC I . Variation oVr~r "".6 rom . : r, -'•• "1

~' ..; . .. '

'.;(1ii).·T,.....ist : :. , ) Co.tegory 'tAt .Upt6. 1 m,rn/m". ~" '·(:oVE;l":o. ,mse· ·.C.·.:.tP.gory tEr Upto ,2 l~1.rn/m. . c'>,:'. pf 2.74 N). Category Ie I . Upto 3 rom/ill ' ,. 0 tD'" , . ".~. ..; ~tegcir'y' . Above' 3 mm/m

,"•• 1

~ , ,

I" ·> ,:exceeding t~;~>~~ ~~N::dc~~;S;f~~~~i~~}'~~c~~~~t~n numoors'.··· 'npt :e:x;ceGd.;i:1g 10 ,'.' 'th~ Se'; are ··ignoreC:1:. ~hepe:ikS in point s , ' . and c ro.ssings m::y be '"excluded: while deciding -the classi ­·fication giver: above. '.,' .

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32 mm/sec. 1 in 720

•· ·•

.. '. ..~.

The following other recommendations ~re m~de ;

, .

.' ,

.' (!) ih,~...tnlU~:l ('~1flt d\~t:t \~it'lnft.)f , f"i'l' )~'''-'''#'''''''''m '!""·'te of C<'l"'l''l:'fe of.. , \. .; ..... ""':""U,-,,= • -­ , -__ b

~ c~nt deficiency (:iii )i·i~_:Xir;;urn c:::.nt gradient

1'1 .. 3 0:'1 tr:-:cl~ I:1~intQ.ined as per stipul'--"tions cOritc.ined '~'n"pc.r:.s 1';.1 l: '11.2 rl)H4/YDH4A locom'Jtive and reF 2.11 coils ~~c::cl-~~s 1..'1:':' bcpl'-~r;ai~tt;d ~t 100 bn/h r1.nd IRS C08.C!1r:S ~"t 801,m/h,

,"::<' 'Ext'I'\:cts from Civil Engineering Report No.C138 . "". Cud oopY:''-of ·:lettE:·rno.··<CRA1119JOO' ~~:ted ..29. 1'.77.

" , ~.':~.>;: ., .. : ~--~j~'~-:- ", -.' '? '::'....:. ;' -, ,. . , ' . '; " -1. . ,~. ":.....:...

,. ReCOi:lr:lendationS for: ra:i;si;ng ·~peed;s. ',on '~l?-~., ." .. :metre' gati'U€ " .. ,. . '. , ... , .:, "

po.' ~ :'. • . .' I • ~ .:• 1-.

". . : " '

;;;':11.1. I 'l'he follo"linbtr:.:tcktoler:lnce~_~l.r.e rec~m·n~ndc:d for :~ "'; .::; ;" . good ridinc;. cO!J'lt"ort"Ah~ litIlits...for'.'inst~bility ~!1d. , ~':<:"" .~,' der;i ilm,ent ~~re verymU9hl'igh~~ ...,.,:"" : ..'-;,

... \ I;. /', . '. ;. • ~ " ".' • .' ...

" ' ; (i) Alignrnent d.efect. ,( Versine: me2.~ured.,on :3.:' ,10 m chord qn flo':lting'trJ.cl{).:., ',;

..<:-.J: :on" str;i:3ht"":' " ~",' 'Vo.l~~'"S· ;.·~f.8 '-:~ ." .' , ',' could be permitted at·(1 fei" i~.olat0:J. ~pots.

• •. '." : j • ... : • ...., .: :. . :": .:' .. '.' . ~. .:.

­.­

---fo-

Copy of R.n.S.O~ 1S ·'1.ett;er no. C1!\./119/20dated 2~~ 1~ 1977 ~ddressed to G..H.. !1,oT ..Rly.1

. " .. ,.B.?~baY. ...... .. '~."~'''' . ---... ...........

I - . . • : .

.. i ... ~ ...,' ~.'" f

: '.' :' ".. "\; f' . • ':;. . .. if· Introdtict16n Qf- Hi'gh-S-peed p!1ssenger train between Delhi llrtd Jaipur.

, . f . . ..........,....... Ad.dl.J~~ (l-O IHII'Rl"t t~ D.. O_ let t~r .. no.:;1:.:(. .. Ref, lv/63 W25/4(l'1J.) d~ted 2J..l.19 n ..

) ~~ ,t~'·.: ~. ," .­~l~;~ ~:r.:_f, " . The following racommendJl.t1ong h~ve been '·•.f.. ·. '.' " mqd.e. alon~ with other 9 vide pa.r all. 2 of Ci vil Engin~r1ng t Repo~~ No. C ~ 1=?8. ,.'

·I·~?:;; ,;:;.: .. t f ,k(1<) .M~xi~~'~~nt defieiency : .A9 ~

t,' •

,U~~ ," ."::::i:::::f::::n:~:::::eor ~,. :21:~::C''f ; '.' c.;: .

1:: - , ; , ,The illqX1mum rl:J.te of ch!\n~e of cq,nt defitiency • " •. -,,: • I of, 32 mm/sec. ,.,as IIl'3ntioneq.. in recommendq,tion No. (ii);:','e' ',~' "~:,~bove'l ~s b':lge~ onr,ate of ch':lnge.of rq,dip.l l:l,cceJ..e1'!).tlon1

:: v",,';: ':- ,of' 1 l"t. '/sec. , wtiich has been generally a.ccepted '

I.',' -tor good comfort ot:.. the p'=l.ssengers. This crlterir::. is .... , "." not bqsGd on s~fety con si(1er-atlons :md. hence r aiBing ') : . .-':' 'the r:tte 'of 'ch."\n;r2' of 'cq,nt d.E:fici,,::ncy from 32 r:-x;/sec. to. t~.··'~',.' :38 rmn/sec .. will r~ot c~use '-my un5.!,\fe conditions exceptgJ :'~;;: ': ·':tl,::,.t the "f.?l:t3Sen~~er Comfort in the l~...tte:r e1.se ,.;ill not I, '.;,", be -":lS~C,') ,~S-. iu ... he fQrme-r oneil .

~{;t ',,:<~. :,~. . . .." ,','"'. .; ,." ".. ,.,~. ' "#0

-~l";"~"""': 2 .. ' InV1ew of the !lbove; ~nv speed restriction .....'.. ',.:,. nNid "not be,. imposed ,on the cm've:3whe~e in the ,:·:".<~'tr'insition lengths~ the rate .of ch1.nge of' ,the c!'\nt I>: :,,'/S: de~ is not ,2 ~/sec. 'out only 38 mm/se c.c1ency

. ·.'·.. ·..:·=:-~···.::r~\~·.' t •.:.... ..I4," .' ; .. ~ .

. S d/-XXXxxxx1 .. f . . _.. {~ , .:,-. ;(DoN~. Singh) , . For D1 "'ec~or General..' .' , .. .' ~.1, .' ..••.. ,.. !:: '.

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