iii) the use of different inner and outer di~pe

-" , __t,

',. A' se'rious' st~.~_{l ' ,} ^of_,-the .1.067m t,rack ah.o, u1d preoede any deci sion

-on

the Mekam~_.

'case

in"·

Gabon'.' - .

.,'"

•~ . r I

" '

Precautionary measures in case of

extenslon

or-renewal of-the 1m track It'is

necessary,,:wheri;'ch~ging

^{a Lm}

tr~~k t~

^a _,-,#^1.067m_J

~ra.ck,

^to

& •

take up ~d re-bore the sleepers in order to lay the rails in a diffepent

• ,•~• 'I

position: this

operation;

lea~~'~o ~eat

expense

'if. precautionary "meaaures are not taken befo rehand; ,A;C?cording ~o a r ecent study made ·for Cameroun, tp.a cost ~'f~^the opSra.tio~ ^{would be} apP:l'O.xima.t~~;Y700,000 ~FA/lan, ^{or- '"}

use ²⁸⁰⁰⁰

^per km~

_ , ' J . . . ..i ' - . ' . • ^{I . . •}~^{... •}

Tli~re

are

t, however, _s~veral,proce dur-e s

Whicn, if

adop'ted du-ring

., t . ...

p.~:rio~. ~~,~c~:c4n'g ^.t,he :~ha.~g~oy~r, ^{lead to B.'}

coneid-arabia -reduction

^C

of"

these expen ses: ;

t:

J ~"'C t" ~ ;

the

:"

i), .:

the

use of

^-douhLe

bore sleepers;

ii)

the use of eccentric rail-heaas; '..

iii)

the

use of

different inner and

outer _di~pe.

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

" I

_ In Cameroun the. co s t of such an operati'oh,

has ceen

^'estimated

at

, . . . . • ~ , " - ~• J ~ • -• \ • •

.60,000 CFA/km (~r ^{US$ ,240_p_er} km),'-:which i's etev~n'^{·ti'mss iower}

than

i

t'-::'·-~o~ld

be' i'f"no

.·~·;e6a~tion6

^{had -been taken} 'during the^r

inter1in

pe'r'iodo '. ;.

_

Acc~';ding

^to

th~e.

s:tudy made for Cameroun'; '<these prebauti6nary mea eures

• I_ • • ~ , I \. /I

-Lnvc Lve ~o J,i~_ancial. guJl~y at- track-laying. ^{, J _}

•

E/eN

.14/TRANs/17-,

Annex I

-Page 12

" •

• ' 1 , . • . • .

..^{; ."'-.}

It' i t is agreed '~hat netwo.~ks· ahout d be inter-connected.witb a.

~'tandard' ^'lo067m '~a~ge,

^one of thes.e' procedures should immediately be

• • • • fl.· I• ~ ^J I I •

: - I adopt'e d

,by

all ne two rks !3~tending:^,?,r. renewing tr acka l i t will, whenI);,

• t ,,.::1'~~.1·.··~ " , .•~. • ~l'" I -, . " 1·~·lt!·'oJl~·:~

, 'the',',tiiIi,e for "the' changeover 'comes, lead to a saving of a.pproxima.t€d'y;·l~'~,

• • ' .. • • .. I l . ' ' . ~

USS2800-240= 2560 per km of track to be transformed and will :thUB advance

, . ' . . J. I ' . ' , • •

the d~te ^at 'wh'ich -changeovar would.:,'be economically justifiedo ,( '" .

•' 1• ..·.:\.c_.= - .

, ,This wouLd apply" . in, par

t.t

cuf ar-, to ~he Bamako-Koulikoro se'ction

- .'..'. : 'i... ' ':. ^{I " , . ,: '- " . I . . ' . I '••' .- • ..}

. ··.. In· 'Maii,

t'((Guinea

"Thieh

.mus

t

renew the"whole, of.i tn"network except the

.. 4.• 4. ..:: .•. ' :• . , , ' f • ~ •~• .. • •

Fria"line'i(66I km}, to 'th'e I~ory Coast rrhi,ch must make. extenBi,ye~.alignment

"re,ctifications between

~4.gbobille a~d T~f:i;e

⁽³⁰⁰

^km)

^;and

~.s

';l,anl?-ing to build a 'branch line from Anoumba to ]aIoa (300 'km)~ to Tbgo if revision of' the Lqme-Palime line i 8

~nde·ita.ken,~: :0'..

^{Dahomey .-}for tlie

'Pa:j;Eik6~::rosso

... ~....": . ..:.-^- .. .~ ~" .. - . . "~ ... ^- .

extension which is being_{. .} suryey.~9.,.~_{. ... .} and: f,in.ally, to Ethi,opioa for the planned

~.' ,

extension

to 'Sidamo⁰ _~• • _: : . : If.',. . .:,^{' , ' , .I '}"~' ^•

, ^'

.<c) ,Consul ta tiona before the, .closing of cer'tain

lines

There are many r-eaaon e

(insuffici"~n,~' 't~~ffi~~'-'defici

^{t, 'nee'd for too}

extensive

repair work.~' eXisten:6~"~'f:'i~~bod :~~'~h~lt~'d

road) . why consd de ra td on might be Jiven to the abandonment of certain railway lines of uncertain

.national val;ue·., . SUbregi9~ally,,·however.,' 'thEi's'~ ,l~'nes ^{may, in}

whol:e

or i~ ^part,

be an e~sential:link-for^"S!- .fu tur e 'rail":connex{on with neighbouring' cOw1~:rieso In such 'cas~s, the country concerned should not decide to abandon the line without first having examinea'~;..r{thneighbouring States 'the effective

; • • I

use 9f the line at eub-z-egf.onaIv LeveL,

.. ~. ^'.~.. .~:^....,"~^{;" I • . : . . : ... • 4}

This m~ght be the case in'Togo, with the Lome-Palime line which needs extenai ve repair work est~mated:O'to cd'st::USS4~OOO~OOOo

Asphalt1ng'

^{of the}

Lome~Pa;lime

^{road ;i}s . also envr aage d , .: but.'

~he

ti.le is peneling whii'e

~waiti~g

" 4" •

the reSl-;ll-t:, -of a tran~port·.:plan which

:lS

being studied. If -it is decided to a epha.Lt t~e ^{road" the} Lome-Palime railw~y ^may- be .abandoned, but i t coul d b>

used, partially' at least,

in

an'AG6ra-Lome-Cotonoll~Las'Os

junction once the

gauge has been changedo

.. _.

'"

.

E/C~ ~~.4/,lt~1J~~/IT

.\,

.Annex I - ..., .. :

.' ," .• -!~'.,

Page 13

i.« '.

• I~i J

The, purcl].ase.".o·+ wagons' or -Lo comotd ves the axles, of· whi ch can. easily# - .... j . . . . ~ ~, . , . ' • •

be adapted .:t.o - Im, pr.. 1.067m gauges. • . . . . .has. been_,_~r-ecommende d for~.... :.l. • • • •the~ _.~.fex1:,ene~on. .~

of the Cameroun network to Goyoum and NIGaoundere , 1m network,s~.:~hfce., ^".'J

might change over to 1.067m gau~e before comp~ete amortization of roll~ng

stock should a do pt this procedure

~Theri"~~rcna~i~g"~4.lliI5rrien·t

^..··'

ACCb'rdin~";

to

the

'StlJ:dy'

male .

f~r"

Cameroun, . thi

s I'precaution :LnvoI vea "no fin~:fclal outl'a.y··,the-coBt'-:~f a.d~pta1ile' ^rolting st~ck bein!g the'same' as:'that of·I(''' equt.pment d:esigned"

for a

~inglegauge. ^{'"IJ .. Li-}.l':~

With adaptable

!'oli'i~~~'S'~~Ck,

^{the "cost of}

tr~sf~~~~i'~n

^is

v~~;: l~~~:

CFA 400 per axle or a Ii ttle less than USS2 for":fnser",tio~._:a.nd ·,remo.val

bt>

an axle, pl.us'·. an unco at e d pre~..~jngo ., a,," ._, .,

' j

•

"., .... ,: .. With unadap tab l e equilmient the axle must be- changed~' 'This -cos·t·s, ..",

counti'ng

the recovery value' of" the' old" axle, CFA 18;000 (or US':72), for,:a;

wag'on axle and CFA

26,150

(or US$107 ) for a locomotive, light raii-"

motor tractor or railc~r,axle" to w~ich m~8t be a~d~4 th~ USS2 p~~ axle for in~ertion.^>and r-emovaL; "r.^{r _ ' • •}

2'. ·i;1ea.sur~·s' desigll"ed to:-:faci'li fate the fopnat1on'

and

cir'culation of '.:

, ,~.

trains' :. . . . '

.: : ...'~•• ' _"a " .. '....

Even if gauges were sta.ndardized and network's connected , certain technical

." "..; ..: ."'..:.... =.;:::

characteristics peculiar to each network would impede the international circulation of wagonso There must, therefore, be an immediate attempt to standardize, particularly on the following points:

(a)

Standardization of couplings

There are at present two types of coupling in West Africa~ the Ivery Coast, Tbgo and Dahomey still have the double buffer system while Cameroun,

Ghani and

Nigeria have the more advanced central impact traction buffer, but with different models. Trains cannot be formed with wagons of different buffer systemso If wagons are to circulate internationallY'a standard

type must be adopted for all African countrieso

The

difficulties experienced by European networks in choosing a common buffer model, and the length of the negotiations involved, proves that this problem must be tackled

immediately in AfricaD

E/CN~14/TR_UT~/l7' Annex I ' . Page 14 . ,

(b)

Standardi zation of

the

braking .system ,:" ':,c -',: ,...: .~,-'. ~:.:.:. ^'.

"As'- J:nost~ African: netWorks have maint~ined'the vacuum-brake sy s'tem,

, ,

standardization' 'of -braking- will be easier t.o achieve than standardization

•

of buffers ..:

Ii ,-,

,

.

..

-, .;

~ -, ' . • • . . ' I'\ !, , . . ; I • ·f

(c) ,

Standardization of axle loads

) . :~ ~~ ^{, , ..." I • • ' , '" .}

. ' : .

. . Equi.pmentiof the. t.rack (rail and s;1e~~,'t.r-^weight).

and

~t~ctur.~l ^{.. ,} Work, are." condati.on~d,.hy axle ..loads circula~ing'on the Li.ne , An .attempt .

- ..' I I •~ t ~ .' 4,. I

. .

should therefore be made to st.andar-dize loads" ~hus ,faci;l~tati~g .,t.~e:

oirculation of trains from one network to another.

!'0;. ~~. ^I t ^{I1-: '.: .} ~ ~ - . . I

.'o:('d) ..

Administrative- measur.es

The circulation of trains from one country to' another will, give ,ri,se to many, ,legal:' pz-ob.Lem s such as customs, control.,... tariffi2:1g, us~ of, _~quipment etc •.;: f?r; t.he ,·.a9~u:tior of which some, common ge~eral principles should be.) estabJisped." . . t.". . _~'. '. , - ,"

" :" .. whtle

'the measures co~ceriiing^,gauge

s

tandar-ddza t.i.cn concern chiefly

. " , I

1m networks, the above measures concern all Afr(can ne twoz-ks , At present ther.e isJ.no .forum.wh..e r e they--can be. studied .. An _Afric~n Railw,aY,s)Jnion,

~ ."--~ .. .. .

_

^{..~..~ ,.-~ -...-..'_.... _.. .'.~...}

-

^{~ . ..}-^-' ..

-

^~..'.^~

--

^~ . ' : " - '.. . .~':. :'.

..-affiliated to the International Union of Railways, would permit. ~a8ter

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

---progress tow~rds solution of the problems raised and of the difficulties to

1" . . ,.~• ': - .' .. : L··t ' • •j - . . •

be, expected ..

. i" •. ... :~~# .~:: . :•

; 1 _.t,.I. "}I ." • .:.:

I oj

.

^'"(- ^{I I ' •}

:.

....

..

\:

~. I

•

" '.:". r , ,

...

, ^{,.'." .:}

~,.'

\

I I t"'" ^{.. I '}

,, .^{~ ., .~'.'}...",... _{• ,:a}I ' :'.

i t : . ;. ' J ' ..1J~~-~:~· _'1, . ~ ,\ r

- r:, ^{--/ 4,}

•• ,' .: .j'

E/CN·~.,[4/TRm$/11 . \',,,:.~'

Annex II . - .,;,·.\':f.~:;,

ANN3X I I

Dans le document Inland transport in the west African sub - region (Page 81-85)