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UDC 624 (083.75)

SOUTH AFRICAN BUREAU OF STANDARDS

STANDARDIZED SPECIFICATION

f o r

C I V I L ENGINEERING CONSTRUCTION

SABS 1200 NB-1981

Approved by theCOUNCIL OF THESOUTH AFRICANBUREAU OF STANDARDSon 4 November 1951

NB : RAILWAY SIDINGS (TRACKWORK)

O b t a i n a b l e f ro m theS A BUREAU OF STANDARDSP r i v a t e Rag X191P r e t o r i a0001 R e p u b l i c oE S o u t h A f r i c a

Telegrams : C o m p a r a t o r , P r e t o r i aP u b l i s h e d a nd p r i n t e d i n the R e p u b l i c of S o ut h A f r i c a b y the

Sou th Afr ican Bureau oE S t a n d a r d s

ISBN 0-626-06060-5 Gr 8

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Cla11se1.2.2. 12.2

2. 32.43.13.23.2.13.2.23.2.33.2.43.2.53.2.63.2.73.2.83.2.93.2.103.2.113.2.123.2.133.2.143.2.153. 33. 44 .15.15.1.15.1.25.1.35.25.2.15.2.25.2.35.2.45.2.55.2.65.2.75.2.85.2.95.2.105.2.115.2.125.2.135.2.145.2.155. 3

3.

4 .5.

6.7.7. 17. 27 .38.a.8.28 .3

3

CONTENTS

SARS 1200 NB-1031R a i l w a y s i d i n g s ( t r a c k w o r k )

Page KurnherSCOPE ...........................................................................INTEKPKl?TATIONS .................................................................S u p p o rt i ng S p e c i f i c a t i o n s .......................................................A p p l i c a t i o n .....................................................................D e f i n i t i o n s .....................................................................A b h r r v i a t i o n s ...................................................................MATERIALS .......................................................................G e n e r a l .........................................................................R a i l w a y T r a c k w o r k ...............................................................G e n e r a l .........................................................................Rails ...........................................................................J u n c t i o n r a i l s ..............J u n c t i o n f i s h p l a t e s .........F i s h b o l t s. n u t s . and w a s h e r sS l e e p e r s a n d c r o s s i n g t i m b e r sF i s h p l a t e s ..................R a i l - t o - s l e e p e r f a s t e n i n g s .T u r n ou t s . s l i p s . a n d c r o s s i n gS t o p b l o c k s ..................Derall d e v i c e s ..............C l e a r a n c e m a r k e r s ...........

.........................................................................................................................................................a n d b e a r e r s ........................................................................................................................................................................................................................................................................................................................................................I n s u l a t e d r a i l joints ( b lo c k j o i n t s ) a n d r a i l b o n d s .............................B a l l a s t .........................................................................S i g n b o a r d s ......................................................................S t a c k i n g a n d H a n d l i n g of PWM ....................................................T r a n s p o r t .......................................................................PLANT ...........................................................................G e n e r a l .........................................................................CONSTKUCTION ....................................................................P r e c a u t i o n s .....................................................................S a f e t y ..........................................................................C l e a r a n c e s ......................................................................P r i v a t e s i d i n g a g re em e nt ........................................................M e t h o d s a n d P r o c e d u r e s ..........................................................P e rm a ne nt w ay c o n s t r u c t i o n s t a n d a r d s ............................................S e t t i n g o u t ......................................................................S u p e r v i s i o n .....................................................................L a y i n g of ra i l s .................................................................S u p e r e l e v a t i o n ..................................................................S t o p b l o c k s ......................................................................

L a y i n g of s l e e p e r s ..............................................................S t r a i g h t e n i n g a n d b e n d i n g of r a i l s ..............................................G a ug i ng a n d a s t e n l n g o f r a i l s to s l e e p e r s ......................................L i f t i n g . t a m p i n g . a n d b o x in g i n .................................................T u r n o u t s . s l i p s . a n d c r o s s i n g s ..................................................C l e a r a n c e m a r k e r s ...............................................................F i l l i n g b e tw e en t r a c k s ..........................................................Derail d e v i c e s ..................................................................S i g n b o a r d s ......................................................................C l e a r a n c e o f S i t e on C o m p l e t i o n .................................TOLERANCIlS ......................................................TESTING .........................................................G e n e r a l .........................................................I n s p e c t i o n a nd C h ec k in g o f t h e S i d i n g by SA R ....................C e r t i f i c a t e of C o m p l i a n c e a n d I J n d e r t a k i n g b y O wn er ..............MEASUREMENT AND PAYMENT .........................................Basic P r i n c i p l e s ................................................C o m p u t a t i o n o f Q u a n t i t i e s .......................................S c h e d u l e d Items .................................................

DRAVINGS

.........................................................................................................

.............................................D r a w i n g NE-1 . e thod of S t a c k i n g S l e e p e r s .....................................................Drawing NB-2 . inim um S t r u c t u r e Ga u ge s ( S t r a i g h t T r a c k ) .......................................D r a w i n g NB-3 . in im um S t r u c t u r e G a u g es ( C u r v e s ) G au ge 1 0 6 5 mm ................................Drawing NB-4 . l e e p e r S p a c i n g .................................................................APPENDIX A. APPLICABLE STANDARDS ............................................................

55555666666666677777777777778aaaaaaaa

88

991010101010101010101111111 11111111 21 2

1 51 61 71 819

4 November 19 81A p p r o v e d by t h e

COUNCIL OF THE SOUTH AFRICAN BUREAU OF STANDARDS

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5 SABS 1200 NB-1981Railway s i d i ng s ( trackwork)sourii AFRICAN BUREAU OF STANDARDS

STANDARDIZED SPI.:CIFICATIONf o r

1.1.1

2..2.1

2.2

2.3

C I V I L ENGINEERING CONSTRUCTIONNB : RA ILWAY SIDINGS (TRACKWORK)

Th is sp ec i f i ca t io n co v er s th e co n s t ru c t io n of r a i lw ay p r i v a t e s id in g s in c l u d in g c rack wo rk . c r ackrenewal, re ra l l in g , res l eepe r ing . re l ay i ng of cracks . and the upgrading and maintenance of rai lwaypr iv at e s id ing s (with the use, i n each case. o f new o r second-hand material) , a l l i n acco rd an ce w i ththe requirements of the p r i v a t e s i d i n g s p u bl i c a ti o n1 ) of the SAR.The s p e c i f i c a t i o n c ov er s c o ~ t r u c t i o n rom t h e e nd o f th e cake-off turno ut where th is has been Strppliedan d in s ta l led b y th e SA R i n crack owned by the SAR. o r from th e begi nnin g of t he take-off tur nou t wheret h i s i s CO be in s t al le d in crack owned by a par ty ot he r than the SAR.T h e s p e c i f i c a t i o n also covers requirements fo r o th er works involv ing running r a i l s such as c r a n ecracks , r a i l s in quay walls , s l ipways, etc.NOTE:INTERPRETATIONSSUPPORTING SPECIFICATIONS. Where t h i s sp e c i f i c a t i o n is r eq u i r ed fo r a p ro jec t , th e fo l lo w ings p e c i f i c a t i on s s h a l l , i n t e r a l i a , form par t of the con tr ac t document:a ) P r o j e c t s p e c i f i c a t i o n ;b) SABS 1200 A or SABS 1200 AA, a s a p p l i c a b l e ;c) SABS 1200 D o r SABS 1200 DA , as a p p l i c a b l e ;d) SABS 1200 DN .Where the pr oje ct inc lu des co ncr et e work, SABS 1200 G o r SARS 1200 CA , as a p p l i c a b l e , s h a l l a l s o formpa r t of the contr act document.APPLICATION. Thi s sp ec if ic at io n con ta ins clauses t h a t a re g e n e r a l l y a p p l i c a b l e CO r a i lw ay s id in gc o n sc r u ct i o n. I n t e r p r e t a t i o n s o f an d v a r i a t i o n s t o t he s p e c i f i c a t i o n are s e t o ut i n P o r t i o n 2 o f t hep ro jec t sp ec i f ica t io n . wh ich p r eced es this s p e c i f i c a t i on i n a con tra ct document.DEFINITIONS.s p e c i f i c a t i o n s l i s t e d i n 2.1 a nd c he f ol l o wi n g d e f i n i t i o n s s h a l l a pp l y:Applica nt. The pro spe ct ive owner of a p r i v a t e s i d i ng .B a l l a s t t r a i n . A t r a i n wi th t r u ck s fo r lo ad in g or u n load in g in sec t io n , b a l l a s t , p ermanent waym a t e r i a l , o r o t h e r m a t e r i a l r e qu i r ed f o r c a r r y i n g out t h e c o n t r a c t .Ba l lasc in g .Beginning of a tu rnout . The s to ck r a i l j o i n t .Descress ing .b ro u g h t w i th in accep tab le l i m i t s .Diamond crossing.d iver ted f rom one track t o another .Gauge. The sh or te s t d is ta nce between the running edges of the t w o r a i l s of a crack.m a t i n g j oi n t (Block j oi nt ) .each o ther .Long welded r a i l s (LWR). Rails chac have been welded inc o leng th s longer than 36 m, and chac may bew elded su b sequ en t ly i n th e t r ack in co con t in uo u s len g th s w i tho u t f i s h p la t ed j o in t s .Mach h e

Th e s tan d ard s r e f e r r ed t o i n t h e s p e c i f i c a t i on are l i s t ed i n Ap pend ix A.

For th e pu rp o ses of th i s sp ec i f i ca t io n ch e d e f in i t io n s giv en i n th e ap p l i cab le OE che

The o p era t io n of su p p ly in g b a l l a s t an d of p lac in g i c CO support and complete a t rack .The proc edur e whereby tem peracure stresses i n long welded and continuous r a i l s ar e

An arrangement of cr oss ing s thac enable s a t r a i n CO cross a crack without being

A r a i l jo in t wh ere th e ad jacen t r a i l s ar e e l e c t r i c a l l y i n s u l a t ed f rom

Heavy-weight machine. A machine that may be used on a t r ac k u nd er o ccu p a t ion o n ly , an d th a tr e q u i r e s t h e u se of mechanical means f o r of f - tracking .Light-weight machine. A machine th a t may be used on a t r ac k n o t n ecess a r i l y u n der o ccu pa t io n an dt h a t c an be removed expe dit i ousl y by opera tor s without t he us e of mechanical means or s p e c i a l a s s i s t a n ceOccupation. A r i gh t gra n ted by che owner f or work to b e ca r r i ed o u t o n an op en l i n e o r a s e r v i c e l i n e

u n d er sp ec i f ied co n d i t io n s in c lu d in g sp ec i f ied t imes .Open line. A ru n nin g l i n e of an y len g th o u ts id e s ta t i o n y a rd l i m i t s o r , i n t he case of a s i d i n gex ten s io n. th e se rv ic e l in e (o r r un n in g l i n e of an y len g th ) b ey on d th e s ig n a l l i n g l i m i t s .perma nent way. The ra i l s . s l e e p e r s . f a s ce n i ng s ,a n d b a l l a s t l a i d a nd f i x e d i n p r op e r p o s i t i o n f o r t h epassage of t ra i ns .Permanent way mater ia l (PWM). The r a i l s , s leep er s , f a scen in gs , an d o th e r material ex cep t b a l la s t . u sedi n a c r ack .P r i v a c e s i d i n g . A le ng th of ra ilw ay cra ck owned by a person or an organiz at i on o ther than the SAR thati s connected t o an SAR cr ac k.Recamp. Any camping cy cl e req uir ed a f t e r the work has heen take n over.Running line. A l i n e t h a t i s required f o r the purpose of running tr ai ns f rom one poin t CO another . andwhere t he point t o p o i n t d i s t a n c e i s more than 1 kin.S e r v i c e l i n e . The p o r t io n o f a p r i v a t e s i d i n g c h a c l i e s between t he SAR cra ck and the begi nnin g of thee xc ha ng e ya rd o r f i r s t s h u nt i n g l i n e o r s t a g i n g l i n e of a p r i v a t e s i d i ng .Shuncing l i nes . Lines chat a re provided fo r the shuncing of t r a i ns and on which f requent s t op s w i l l b emade. (Such l i n e s are sh u n t in g leg s to yards; a l l l i n e s w i th in in d u s t r ia l tow nships ; f ac to ry , mine ,and o th e r l ay o u ts f r om w hich sh o r t sp u r s o r in d iv i d u a l s i d in g s cak e o f f ;yards . ) and the gather i ng roads of

1) The provis ion and construct ion of pr i vat e s i d in gs , published by the Off ice of the Chief C iv il Engineer . SAR,Johannesburg.

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SABS 1200 NB-1981Rai lway sid ings ( t rackwork)

1

6

2 3 4 5

2.4

3.3.1

3.23.2.1

3.2.2

3.2.3

3.2.43.2.5

3.2.63.2.6.1

3.2.6.23.2.6.3

Nominalkg/m

mass of r a i l ,

S i d i t s .SldIr ig extcnsion.S ta g ing lines.l o a d i n g , or u n l o a d h e . ( Su ch l i n e s are: t h e s t a g i n g p o r t i o n s o f i n d i v i d u a l s i d i t lg s ; t h e l i n e sahead of , a t , arid j u s t beyond l oad i tl g po i n t s i n mine s. f a c t o r i e s , e t c . ; a nd the loops o f a l lyards.)Supere1ev;a tlon. The d i ffe ren ce i n lev e l be tween th e out er and inn er r a i l s of a c u rve d t r a c k .Take-of f tu rn ou t. The turn out from which a sidlng commences.T r a n s i t i o n c u r v e .a c i r c u l a r c ur v e.Turnout. An a r ra nge me n t o f s w i t c he s and c ross ings tha t e n a h l e s a t r a i n t o be d ive r t e d f rom onet r a c k t o a n o t h e r , a nd i n c l u d e s s i n g l e a n d d o ub l e s l i p s .-ert ical curve . A curve connectin(: t w o grades and such as t o g i v e a g r a d u a l c ha ng e i n v e r t i c a ld i r e c t i o n f ro m o n e gr a d e t o t h e o t h e r .Work permit. Aut hor i ty gr anted by th e SAR fo r work t o be done near an open l i n e , l o o p l i n e .s h un t in g l i n e , s t a t i o n y a rd , or o t h e r SAR t r a c k .ABBREVIATIONS.o f t h e s p e c i f i c a t i o n s l i s t e d i n 2 .1 a nd t h e f o l lo w i n g a b b r e v i a t i o n s s h n l l a pp ly :ACV : A ggre gate c r u sh in g va lueBC : Beglnning of cur veBC : End of curveLWR : Long welded r a i lP1 : P o i n t of i n t e r s e c t i o n ( r a i l w ay s i d i n g s )PWI : Permanent way ins pe ct or of t he SARPWM : Permanent way mater ia l (see 2.3)SAR : The South Afr ic an Rai lways Administ ra t ionMATERIALSGENERAL.used (see 8.1.1).RAILWAY TKACKWRKGenera l . The PWM supp l i e d may. e xc e p t i n t he c a se of wood sleepers (see 3.2.6.1). be new orsecond hand and of t h e s i z e ( o r mass), class, or t y pe s p e c i f i e d i n t h e p r o j e ct s p e c i f i c a t i o n o rscheduled.R a i l s . Rails s h a l l b e of Class B or be t t e r a nd o f s t a nda rd se c t ion . The y sh a l l be sound , f r e efrom f laws, c racks. s p l i t s , a n d c or r o s i o n, a nd s h a l l h av e a t l e a s t one good running edge.s h a l l be a t l ea s t 6 m i n l e n g t h an d s h a l l p r e f e r a b l y b e ' o f n om in al l e n g t h 1 2 m or 18 m.s h a l l be a t l e a s t 3 m f rom f i shp la t e d or w e lde d jo in t s .Where second-hand r a i l s are useda) r a i l e nd s s h a l l n o t b e b a t t e r e d i n e x c e s s o f 2 nim;b) a length of a t l e a st 300 mn i s h a l l be cropped t o remove damaged r a i l ends;c) r a i l s s h a l l not have more th an th e maximum wear given i n Column 5 of Tab le 1 a p p r o p r i a t e to t h emass pe r metre of t h e ra i l s ; an dd) r a i l s s h a l l h a v e n o h o l e s t h r ou g h t h e web o t h e r t h a n f i s h b o l t h o l e s , a nd f i s h b o l t h o l e s s h a l lno t be f l a me c u t .

A p o r t i o n oC a p r i v a t e sicling t h a t i s on l a nd belong ing to the SAR.A p o r t i o n o f an y p r i v a t e s i d i n g t h a t i s on land not be longing t o t i le SAR.

L i n e s p r o vi d ed s p e c i f i c a l l y f o r t h e s t a g i n g o f t r u c ks f o r t h e p u r p os e s o f s o r t i n g ,

A c u rve w i th a uniform r a t e of c ha nge of c u rva t u re , c onne c t ing a s t r a i gh t w i th

For the pu rpose s of t h i s s p e c i f i c a t i o n t h e a b br e v i a ti o n s g iv en i n t h e a p p l i c a b l e

T he C o n t r a c t o r s h a l l o b t a i n t h e E n g i n e er ' s a p p ro v a l of a l l m a t e r i a l s b e f o r e t h e y are

R a i l sWelds

TABLE 1 - MAXIMUM PERMISSIBLE WEAR OF RAILSSide wear.kglm. max.

Height of r a i l , mm. min.Class

A B C A l l classes

p 8

156.5 152.7 148.7 7.5142.6 139.3 136.2 5.2

1.6121.0 118.2 115,7 3 ,1105.2 103.0 100.7 2.3- - -

-J u n c t i o n F i s h p l a t e s . J u n c t i o n f i s h p l a t e s s h a l l ha ve b ee n m an uf ac tu r ed in an approved manner.(See al so 5.2.6.5.)F i shb o l t s , N u ts , a nd W ashe rs . F i shb o l t s a nd nu t s sh a l l match the type o f f i sh p l a t e s supp l i ed .Washers sh a l l be of the double c o i l t ype . Sec ond-ha nd f i sh bo l t s a nd nu t s sha l l , i n t h e op in ion o fth e Engineer . be sound in a l l r e s p e c t s , a nd s h a l l be used only wi th new spri ng washers (of thecorrect s i z e ) .Sleepers and Crossing Timbers and BearersWood s l e e p e r s an d c ross ing t i rnhe rs . Wood s l e e p e r s a nd c ros s ing t imbe rs a nd be a re r s s h a l l be o fnew aooroved hardwood or an amrov ed tvDe of lamina ted sof twood. i n each case f r e e f r om s p l i t s an d. .. _ .o the r impe r fe c t ions suc h as dry ro t , knotholes. wormholes. b or er damage , and fungal a t t ack .S t e e l s l e e p er s . S t e e l s l e e p e r s s h a l l b e t o a des ign approved by th e SAR. They s h a l l be su pp li edw i t h r a i l - t o - s l e e p e r f a s t e n i n g s t o s u i t t h e t y p e of s l e e p e r an d t h e r a i l s e c t l o n b e in g l a i d .C o n cr e t e s l e e p e r s . C o n cr e t e s l e e p e r s s h a l l b e o f t h e s i d i n g t y p e w i t h s l e e p e r f a s t e n i n g s , a l l asapproved by th e SAR (see 3.2.8.5).

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7 SABS 120 0 NB-1951Railway s id ings ( trackwork)

3.2.7

3.2.83.2.8.1

3.2.8.2

3.2.8.33.2.8.43.2.8.53.2.9

3.2.10

3.2.11

3.2.123.2.13

3.2.14

3.2.15

3.3

3.4

4 .4.14.1.14.1.24.1.34.1.4

F i s h p l a t e s . F i s h p l a t e s s h a l l be s u p pl i e d i n p a i r s a nd sha l l b e o f t h e co r r ec t d es ig n fo r th e ty p eof r a i l b e in g l a i d . F i s h p l a t e s s h a l l be s oun d i n a l l r e s p e c t s a nd se co nd -h an d f i s h p l a t e s s h a l l bei n su ch co n d i t io n th a t th e r emainin g d raw is a t l e a s t 5 mm when th e f i sh b o l t s are p u l l e d up t o at o r q u e or 340 N.m.Ra i l- t o-Sleepe r Fas en in g sS o l e p l a t e s s h a l l b e of a t yp e t o s u i t t h e r a i l s e c t i o n s s p e c t f i e d . a nd t h e r a i l s h a l l h a ve a ninward cant of 1 i n 2 0. Second -h an d so l ep l a t es sh a l l b e in sou nd co n d i t io n w i th n o n o t icea b ler i d g e s on t h e r a i l f l a n g e seat .R a i l c h a i r s a nd c he c k -r a i l c h a i r s s h a l l b e s u i t a b l e f o r us e w i t h t h e r a i l s e c t i o n s s p e c i f i e d , a nds h a l l be supplied complete wit h rai l- to - chair fas ten i ngs . Second-hand r a i l ch a i r s an d ch eck -r a i lc h a i r s s h a l l be i n sound condit ion .Coach screws o r h ardw oo d s le ep er s sh a l l be o f s iz e M22 Type B galvaniz ed . provided th at Type Ash al l be used where th e nominal th i ckne ss of t h e b a se p l a t e i s 30 mm .Type U galvanized coach screws sh a l l be used with sof twood and laminated sof twood s lee pers .F a s t en i n gs u s ed w i t h c o n c r e t e s l e e p e r s s h a l l b e of a t y p e a c c e p t a b l e t o t h e SAR.Tu rn ou ts , S l ip s , and Cro ss in g s . Tu rn ou ts , s l ip s , and c ro ss in g s sh a l l b e su p p l ie d co mp lete w i thc ro ss in g b ea r e r s o f s t ee l or wood an d th e ap p ro p r ia t e r a i l - to -b ear e r f a s ten in g s .The s up p l y of t u r no u t s. s l i p s , a nd c r o s s i n g s s h a l l a l s o i n c l u d e s t o c k s and g u ards . s to c k s ands w i t c h e s , s o l e p l a t e s , c l o s u r e ra i l s . l ead r a i l s , i n t e r n a l f i s h p l a t e s , f i s h b o l t s a nd n u t s , c o nn ec -t i n g r o d s , p u l l r o d s. s t e e l p l a t e f o o t g uard s . sw i tch bo x es , and a l l o t h e r f i t t i n g s . f a s t e ni n g s .and accessories and , w h ere ap p l icab l e . n otched so le p l a t es and g au g ep la tes.Stopblocks . Stopblocks , of th e f ix ed ty p e or s l i d i n g t y p e , s h a l l be c o n s t r u c t e d o f Class B o rbe t t er second-hand r a i l s of the same mass p e r metre as t h a t of the r a i l s t o which they are connect-ed , and s h a l l incl ude buf fer beams, hardwood bumping b locks , running r a i l s and f as ten i n g s . access o r ies ,an d b ear e r s .De ra i l Devices. Dera i l d ev ice s sh a l l b e o f th e ty p e( s ) s ch ed u led or give n on th e drawings. Theymay consis t of a s tan d ar d t l ay es typ e . o r a s to ck and swi tch type compounded with the t a k e o f f se to f p o i n t s , o r a s tandard sco tch b l ock manufactured f rom 30 kg/m r a i l o r f ro m any su i t ab le r o l le ds t e e l s e c t i o n t h a t 1s not to o h eavy t o h an d le. Each sco tch b lo ck sh a l l b e su p p l ied w i th th ea d d i t i o n a l s l e e p e r s a nd f a s t e n i n g s r e q u i r e d a nd f i t t e d w i t h a s t o u t c h a i n a nd e y e b o l t t o e n s u r el o ck i ng i n e i t h e r t h e on o r t h e o f f p o s i t i o n .Clea r an ce Markers . Clea r an ce mark ers sh a l l co n s i s t of l en g th s of r a i l or o ther approved materialof nominal length 1 .7 m.I n s u l a t e d Rail J o i n t s ( B l o c k J o l n t s ) a n d R a i l Bonds. Insulated r a i l j o i n t s s h a l l c o n si s t oflamin a ted wood f i sh p la te s . app ro ved in s u la t lo n , and in s u l a t in g shims o f th i ck n ess a t l ea s t 5 mmbetween ra i ls . IR a i l b on ds s h a l l c o n s i s t o fa) i n t h e case of a s ig n a l b o n d , a t leas t tw o s t r an d s o f , co p p er w i r e of d iameter a t l e a s t 4 mman d ,b) i n t h e case of a t r ac t io n b on d, b r a id ed co p p er wire of c r o s s - s e c t i o n a l area a t leas t 20 mm*.bonded t o th e r a i l s i n a n ac cep tab le man ner.--a l l a s t .s imi lar cru shed s to n e t h a t co mp l ies w i th r eq u i r emen ts f o r s in g le - s ized c ru sh ed s to n e fo r r o ad s o fnominal s i z e 53.0 mm give n i n SABS 1083, e xcep t t ha t the n om in al a p e r t u r e s i z e of t h e l a r g e s ts i e v e u s ed f o r t h e g r a d i n g s h a l l b e 6 3. 0 nun ( ins tea d of 75 .0 mm ) an d , in s tead of th e ap p l icab leACV s p e c i f i e d i n SABS 1083. the s ton e s laal l have an abras ion r es i s ta nce of 34 as determined by t heLos Angeles abras ion t e s t .Samples an d a g r a di n g a n a l y s i s of s t o n e t h a t t h e C o n t r a c t o r pr o po s es t o us e as b a l l a s t s h a l l b esu b mi t ted t o th e En g in eer f o r ex amin a t io n an d ap p ro v a l .Signboards. Whistle boards , s i d i ng number boards . and o th er rai lway s ig nboards required s ha l l beo f s tan d ard SAR p a t te r n , sh a l l b e p a inted i n accord an ce w i th s ta n d ard SAK p rac t ice , and sh a l lcomply with the regulat ions of th e SAR. I n t h e case of le v e l c ro ss in g s . r oad s ig n s sh a l l co nformt o th e r eq u t remen ts of th e ap p l ic ab le Road Tr a f f ic O rdin an ce.STACKING AND HANDLING OF PWM. M a t e r ia l s h a l l b e p l ac e d c l ea r o f th e sp ace de f in ed by th e f ix eds t r u c t u r e g au ge , a n d s h a l l be s t a c k e d a t l e a s t 3 m f ro m th e cen t r e l in e of any t r ack .With th e excepti on of wood s le epe rs , PWM s h a l l n o t b e s t a c k e d o n a sh .Rai l s s h a l l be s t a c k ed on an even bed and so suppor ted as to prevent bending and twis t ing .S t e e l s l e e p e r s s h a l l b e s t ac k ed c lear o f t h e g ro un d w i th a l t e r n a te l ay e r s a t r i g h t a n g l e s t o eachot he r, bottoms fa ci ng down. and in l o t s of not more tha n 100.Wood s l eep ers s ha l l be s tacked as shown on Drawing NB-1 i n l o t s of about 50. The ground within6 m of each s tac k o f w ood s leep er s sh a l l be c lea r ed o f a l l grass and weeds.C o n c re t e s l e e p e r s s h a l l b e s t a c ke d t o a h e ig h t n o t g r ea t e r th an 2.5 m.Bags with r a i l a nd s l e e p e r f a s t e n i n g s s h a l l b e s t a ck e d clear OC the ground.Bo l t s and n u ts sh a l t b e o i le d and s tack ed u nd er co v er to p rev en t r u s t in g .

F ish b o l t h o les sh a l l n o t b e w orn o r d e fo rmed .

(See 5.2.10.)

B a l l a s t s h a l l c o n s i s t of a pp ro ve d h a r d br ok en h o r n f e l s . d o l e r i t e , t i l l i t e . q u a r t z i t e , o r

TRANSPORT. Rai lway tr uc k s lo ad ed wi t h Pw?l sh a l l b e u n load edp laced . The Co n t r ac to r sh a l l b ea r th e co s t o f an y d emur ragenegligence.PLANTGENERALA l l t o o l s and equipment f or t he handlin g of material an d th ebe provided by th e Contractor .Power o r hand-operated equipment sh a ll be of a type approvedo r o p e r a t i o n b ei n g c a r r i e d o u t .Th e u s e of ba l l as t i ng machinery w i l l be p e r m i t t e d s u b j e c t t oHeavy-weight and light- weight machines intend ed fo r us e on as h u n t i n g s h a l l b e s u b j e c t t o approval by the Engineer .

w i th in 3 6 h o f th e t r u c k s b e in gc ha rg es d i r e c t l y a t t r i b u t a b l e t o h i s

proper complet ion of t he work sh al lf o r t h e t yp e of f i t t i n g b e i ng f a s t e ne dthe pr ovi s ion s of 4 .1.4.tr ac k on which t he SAR und ert ak es

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SABS 1200 xB-1981Kailway sidings ( t rackwork)

8

5.5. I5.1.1

5.1.2

5.1.3

5.25.2. I

5.2.2

5.2.3

5.2.45.2.4.1

5.2.4.2

5.2.4.3

5.2.4.4

5.2.55.2.5. I

5.2.5.2

5.2.5.3

CONSTKUCTTONP KECAUTLONSS a f e t y .5.4 of SABS 1200 AA , as appl icab le , and i n order to prot ect l i f e and prop erty when working or whenhandl ing equipment or ma ter ia l on o r n e a r r u nn i ng l i n e s , t h e C o n t ra c t or s h a l l t a k e a l l p r e c a u t i o n snecessary Lo keep personnel , pla nt , an d m a t e r i a l s o u t s i d e t h e s p a c e d e f i n e d by t h e f i x e d s t r u c t u r egauge (s ee Drawings NU-2 and NB-3), ex cep t th a t , when work i s be ing ca r r i ed ou t unde r occupa t ionc o n d i t i o n s ( s e e 2.3). personnel and plant may be wi thin th e sa id s pace .When tru ck s load ed wi th PWM a r e handled , r a i l t r ans por t e r s , whe the r moved manua lly o r mechanical ly , sh a l lb e p ro p e ll e d n o t f a s t e r t h a n 6 km/h on s i d i n g s o l e n g t h l e s s t han 600 m.Clearances.s t o c k and a 1 1 s t r u c t u r e s a nd o t h e r f i x e d o b j e c t s a d j a c e n t t o t h e s i d i n g i n a c c o rd a nc e w i t h t h e r e l e v a n trequirenients of 5.2.1 and Drawings NB-2 and NB-3.Pri vat e Siding Agreement .e n t e r i n t o a pr i va t e s id ing agreement w i th the local System Nanager of th e SA R prior to the commence-ment of const ruct ion .METHODS AND PK0CEI)UKESPermanent Way Construct ion Stand ards. The permanent way s ha ll be cons truc ted i n accordan ce w i l i t h ed et a i ls shown on the s idi ng plan approved in t e r m s of 5.1.3, othe r app l i cab le requ i rements o f t hespec i f i ca t ion , and the requ i rement s of t h e SAR.The Contractor shal l ensu re t ha t he and h is workmen are fa m il ia r wit h th e SAK'S Permanent way in st ru c-k 2 ) ;Set t in g Out . I n terms of Subclause 5 . 1 . 1 of SABS 1200 A o r SABS 1200 A A , a s a p p l i c a b l e , t h e E n g in e erw i l l place pegs on t h e c e n t r e l i n e o f s t r a i g h t s a nd a t e ac h PI. BC , and EC , and the Cont rac to r sha l l ber e s p o ns i b l e f o r t h e d e t a i l e d s e t t i n g o u t o f t rac ks and the prov isio n of l i f t . pegs.Supervision.permanent way experience and i s a qua l i f i e d p l a t e l aye r , and t rackwork sha l l be ca r r i ed ou t on ly unde rthe pe rsona l supe rv i s ion of t he supe rv i sor .The Engineer nay s top th e work a t any t ime i f such a su per vis or has not been appointed by the Con-t r a c t o r o r i s n o t a v a i l a b l e on S i t e .

In a d d i t i o n t o complying wi th the requirements of Subclause 5.7 of SABS 1200 A or Subc lause

A r a i lw a y s i d i n g s h a l l b e so cons t ruc t ed as t o a i f o r d s t a n d a r d c l e a r a n ce b et we en r o l l i n g

The Employer w i l l o b t a i n t h e SAK's approval o f t he s id ing p l an and w i l l

stan dard permanent way drawing s; and th e SAR's S p e c i f i c a t i o n s E 73 ) and E 104).--The Contractor sh al l appoint a competent and experienced su perv iso r who has adequate

Laying of S leep ersGeneral .s l e e p e r s s h a l l b e as shown on Drawing NB-4. Welded jo i n t s sh a l l be so l oca t ed tha t t hey do no tS l e e p e r s s h a l l b e l a i d s q u a re t o t h e r a i l s and p ro pe rly bedded. The nominal spacing ofi n t e r f e r e w i t h s l e e p e r s p a c in g .A 1 1 s l e e p e r f i t t i n g s s h a l l b e ke p t c l e a n w h i le p l a t e l a y i n g i s i n p rogress . Spr ing c l ip s , where used ,sh a l l be f i t t e d i n an approved manner . Coach screw th reads s ha l l be dipped in c reos o te be fore thecoach screws ar e screwed down, and T-bol t thre ads sh al l be sui tab ly l ubr ica ted befor e the bol ts aret i gh tened . Unless o therwise d i rec t ed , t he to rque app l i ed when s l eepe r fa s t en in gs a r e t i gh tened sh a l lbe 3 4 0 +20 N.m .Wood sleepers. Holesfo r coach screws, of diameter 13 mm f o r softwood and 17 mm fo r hardwood. s ha ll be bored through thes l eep e r and squa re to t he uppe r sur fac e o f t he s l eepe r .Durable wood Laper plugs o r dowels of leng th 2 5 mm sh a l l be in se r t e d and dr iven to t he bo t tom of t heh o l e s wh ich s h a l l b e f i l l e d w i t h c r e o s o t e b e fo r e t h e c oa ch screws a r e screwed home.I f a coach screw i s drawn from a sleeper and the hole i s not t o be re -used , t he ho le sha l l be pluggeda t once wi th a durab le wood t ape r p lug d ipped in c reoso t e o r t a r .S t ee l s l eepe rs . S t e e l s l eepe r s t h a t show s ign s of obvious damage sh a l l no t be used . C l i p b o l t s s h a l lbe lubr i ca t ed w i t h an approved lubr i c an t be fo re they a re t i gh te ned , b u t t he c l i p and r a i l f l a n g e s h a l lb e k e p t f r e e o f a l l l u b r i c a n t . A l l c l i p b o l t s s h a l l b e f i t L e d w i th s p r i n g w as he rs u n l e s s o t h e r w i s ed i rec t ed . The s l ee pe r / c l ip combina tion sh a l l be such tha t t he f in i sh ed t rackwork i s l a i d t o t h e g au gerequ i red in t e rms of 5.2.7.Concre t e s l eepe rs . No conc re t e s l eepe r s ha l l be used i f i t shows any de fec t o r s i gn of f a i lu re o f t h ec o n cr e t e, o r i f t h e s e a t or shoulder t o rece ive the r a i l o r s o l e p l a t e i s damaged f o r more th an aq u a r t e r o f i t s l eng th in any d i rec t ion . Sur faces o f conc re t e s l eep e rs , s o l ep la t e s , and ch a i r s , and thes u r f a c e s of r a i l s th at bed on rubber pads sha l l be brushed and c leaned immediate ly before r a i l l ay ing .Kubber pads sha l l be thoroughly c leaned and, whi le t he r a i l i s b e i n g l a i d , t he y s h a l l b e a c c u r a t e l yposi t ioned. Pads tha t show s i g n s of d i s t o r t i o n . e i t h e r d u r in g o r a i t e r p l a t e l a y i n g , s h a l l b e r emo vedand r e f i t t e d c o r r e c t l y .Conc re t e s l eepe rs t ha t are damaged because th e f i t t in gs were in cor rec t ly assembled or were not kep tc lea n, sh al l be removed from th e t r ack and from th e S i t e of the Works.Stra ight enin g and Bending of Rai lsBefore p l ac ing ra i l s on sl ee pe rs and befo re bending them Tor use i n a curve , t he Cont rac to r sh a l lremove a l l k i n k s i n t h e r a i l s . D ur in g ea ch b en di ng o p e r a t i o n t h e r a i l s h a l l b e so supported on r o l l e r st h a t i t i s f r e e to move. Bending may be done wit h a j i m crow or by means of any ot he r approved bend ingmachine.R a i l bending sha l l be ca r r i e d out only when the ra i l temperature i s g r e a t e r t h an 5 OC .A r a i l of length 18 m o r less t h a t i s b e nt f o r us e i n a c u r ve s h a l l b e cu rv ed o v e r t h e f u l l l e n g t h .A r a i l of l eng th g rea t e r t han 18 m sh al l be curved over 6 ni a t both ends fo r a curve of r ad ius g rea t e rt h a n 5 0 0 m , and throughout i t s l eng th fo r a curve of r ad ius 5 0 0 m and less .Subjec t to t he p rov i s ions o f 5.2.5.2, c ur ve d t r a c k r a i l s s h a l l b e u n i f or m lv b e n t i n a c co r da n ce w i t ht h e s t a n d a rd o f f s e t f o r t h e l e n g t h o f r a i l used and the radi us of the curve .

Hardwood s lee per s s ha l l be la id wi th the h ear t down on the prepared format ion.----

....................2 ) Permanent Way In st ru ct io ns , publish ed by th e Chief Ci vi l Engine er, SAR. Johannesburg.3 ) E 7 : S p e c i f i c a t i o n f o r w or ks on, ove r , unde r o r ad j acen t t o a ra i lway l i ne .4) E 10 : S p e c i f i c a t i o n f o r p l a t e l a y i n g and b a l l a s t i n g .

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9

1 2 3 4 5

SABS 120 0 NB-1931Railway s id ings ( trackwork)

6 7 8 9 10

5.2.65.2.6.1

5.2.6.2

5.2.6.3

5.2.6.4

5.2.6.5

5.2.75.2.7.1

12 18

Laying of R a i l sGeneral. Except where th e Co n t r ac to r is r eq u i r ed i n terms o f t h e p r o j e c t s p e c i f i c a t i o n a nd th eschedule t o s u pp l y a nd i n s t a l l a take-off turnout, r a i l s s h a l t be l a i d from the end of a take-offt u r no u t t h a t h a s a l r e a d y be e n i n s t a l l e d ( by t h e SAR, i n the case of t ra ck owned by th e SAR) . PhNs u r f a c e s t h a t h e a r on pads sha l l be brushed cle an befor e in se r t io n of the pads. Each second-handr a i l s h a l l be l a i d w i t h t h e b e t t e r r u n ni n g e dg e on th e gauge si de. Second-hand rai l s s h a l l bematched f or height .a) th e use of set-up O K c ra nk ed a n d o f f s e t f i s h p l a t e s , o rb) so b u i ld in g up th e lower r a i l by welding o r so removing material from th e h i g h e r r a i l by gr indingt h a t t h e d i f fe r e n c e i n h ei g h t t a i l s o f f a t a rate not exceeding 1 mm per 200 mm i n l e n gt h .Lo ca t in g of j o i n t s . On curves where spe cia l r a i l s are75 mm s h o r t e r t h a n r a i l s used on s t r a i g h t s . t h e l e ad a t j o i n t s s h a l l n o t e x ce ed 4 0 mm and wheres p e c i a l r a i l s 100 mm s h o r t e r th a n s t r a i g h t r a i l s are u sed , t h e lead s h a l l n o t ex ceed 5 0 mm .Where no s p e c i a l r a i l s are su p p l ied . th e lead of one r a i l on t h e o t h e r on cu rv es sh a l l n o t ex ceed60 mm. To ensure. when necessary , th at the l ead does not exceed 60 mm t h e C o n tr a c t or s h a l l c u t t h eend of the r a i l so t h a t one f i s h b o l t hole is i n t h e correct p o s i t i o n and s h a l l d r i l l a n a d d i t i o na lf ishbo1 h o l e.C l o s ur e r a i l s s h ou l d be p r e f e r a b l y a t l e a s t 6 m long b u t s h a l l , i n any e v e n t , b e a t l ea s t 3.5 mlo n g , an d sh a l l be secu red to a t l e a s t 5 s leep er s .Expansion gaps. Expansion gaps s h a l l be l e f t a t j o i n t s i n a c co r da n ce w i t h t h e t e m p e ra t ur e o f t h er a i l an d th e r e l ev an t r eq u i r emen ts g iv en in Tab le 2.

TABLE 2 - EXPANSION GAPS FOR DIFFERENT LENGTIIS OF RAIL

Mismatches oE more than 1 mm a t j o i n t s sh al l be made good by

R a i l s s h a l l b e l a i d w i t h sq u a re j o i n t s .

36

:ap, mm

875310

9 and 10In areas of high In areas of mod-

Gap, mm t emp era tu r e er a t e temperatureTemp., OC Gap, mm Temp., OC G a p . mm

Temperature.OC

-5 t o 5 12 10 t o 20 15 5 t o 15 155 t o 20 9 20 t o 30 1 2 15 t o 20 122 0 to 3 0 6 30 t o 3 5 9 20 t o 2 5 930 t o 45 3 35 t o 45 6 25 t o 35 645 and higher 0 45 t o 5 0 3 35 t o 40 350 t o 60 0 4 0 t o 50 0

Temperature,OC

1

Radius, m

Less than 135

-5 t o 1010 t o 2525 t o 4 040 t o 500 and higher

2 3 4 5Not check-ra iled Check-railed

Sp ec if ie d Maximum Sp ec if ie d Naximumgauge, mm p ermiss ib le g au g e , mm p e r m i s s i b l egauge, mm gauge, mm1 085 1 105 1 090 1 105

Gap. mm

75310

Greater than 200 1 065 1 08 5 - -

rempera tu re ,OC

-5 t o 1010 t o 2020 t o 3 030 t o 4040 t o 5050 and highe

C u t t i n g an d d r l l l i n g .of r a l l s sh a l l n o t b e d o ne by means of f l a i n e c u t t e r s o r c o l d sets .and p e rp en d icu l a r t o t h e l o n g a x i s o f t h e r a i l .r e ma i ni n g f i s h b o l t h o l e i s s e r v i c e a b l e .F i s h b o l t h o l e s s h a l l b e d r i l l e d w i th t h e u s e of a n ap pr ov ed r a i l d r i l l . F i s h b ol t h o l es s h a l l n o t b eflame-cut. Th e noinlnal d i a me t e r s o f f i s h b o l t h o l e s s h a l l bea) 35 mm f o r 57 kg/m r a i l s ,b) 32 m m fo r 48 kg/m r a i l s , an dc ) 2 6 mm f o r 40 kg/m and 30 kg/m r a i l s .A l l b u r r s and rou gh ed g es sh a l l b e remov ed a f t e r d r i l l i n g .J o i n t i n E .w i t h t h e n u t s on th e g aug e s i d e o f t h e ra i l s .T he f i s h i n g s u r f a c e s o f f i s h p l a t e s a nd t h e t h r e a ds of f i s h b o l t s s h a l l be o i l e d or greased immediatelyb e f or e t h e j o i n t s a r e assembled, and th e f as ten in g s sh a l l b e t ig h ten ed to a to rq ue of 340 22-20 N.m.Sp r in g w ash ers s h a l l b e E i t t ed u n d er a l l nuts .J u n c t i o n f i s h p l a t e s may be used where required as a t emp o ra ry measu re d u r in g r e r a i l in g o p era t io n s ,OK a t s topblocks , or f o r j o i n t s a t t u r n o u t s i n v o l v i n g d i f f e r e n t r a i l s e c t i o n s .Gauging and Fastening of Rai ls t o S l e e p e r sGauginga) Ex cep t w here o th e rw ise sp ec i f i ed (see (b) below) , th e gauee sh al l be 1 065 mm f o r s t a n d a rd s t r a i g h tt r a c k . On cu rv es th e g aug e sh a l l con fo rm t o th e ap p l icab le o f th e v a lu es g iv en in Tab le 3.

R a i l s s ha ll be c u t by means of an approved r a i l s a w or c u t t i n g d i s c . C u t t tn gT he c u t s u r f a c e s h a l l be p l a n a rI f p o s s ib l e , t h e c ut s h a l l be so l o c a t e d t h a t a n y

In t h e case o f e l e c t r i f i e d l i n e s w i t h bonded ra i l s , f i s h p l a t e d j o i n t s s h a l l be a ss em bl ed

TABLE 3 - TRACK GAUGES ON CURVES

I 1 080 I 1 100 I 1 08 5 I 1 105 Iqual t o 135an d up t o 1 50II nd up t o 175 I 1 1 095 I - -rea te r than 150 075I 1 090 I - - Ireater than 175 070and up t o 200 I

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10

5.2.7.2

5.2.7.35.2.7.4

5.2.85.2.8. I

5.2.8.25.2.8.35.2.9

5.2.10

5.2. I 1

5.2.12

5.2. I3

5.2.14

5.2. I5

5.3

b) A t Llie be gi nn in g arid end of unLrans i t ioned c i rc u l a r curves the w iden ing of t he gauge sh a l l beca r r i e d ou t by g radua l ly inc reas in g the gauge on t he s t ra ig l iL iit t he r a t e o f 5 im p e r 12 m u n t i l thegauge for t l ie curve i s a t t a in ed a t t he beg inn ing of t h e c i r c u l a r c u r v e .c ) A t t he beg inn ing and end of t r ans i t i on ed c i r cu la r curves the w idening of the gauge sha l l b e c a r r i e dout by gradua l ly inc reas ing the gauge on t he t r a ns i t i on curve f rom a po in t 6 m i ns i de the beg inn ing oft li e t r a n s i t i o n c u r v e t o a p o i n t 6 m sh or t of t he beg inn ing of t he c i rc u l a r curve . The inc rease in t hegauge sha l l be a t t h e r a t e of 5 mm pe r qua r t e r o f t h e l e n g t h of t h e t r a n s i t i o n c u r v e .Fastening t o wood slee per s. Where so le pl a t es a re used on wood sle ep er s, coach screws sh al l be screwedliome tightly w i t h a box spanner un t i l t he f u l l w id th of t h e o v e r l a p f i r m l y g r i p s t h e f l a n g e of t h c r a i l(see a l s o 5.2.4).Fo r 22 mm diameter coach screws, t he d i ame te r of hole s in wood sleepers s h a l l b e 17 mm. The thr eads ofeach coach screw sh al l be dipped i n c reoso te ( see 5.2.4.1) before the coach screw i s i n s e r t e d i n asl ee ne r. Coach screws sh al l no t be hammered in.F a s te n i ng t o s t e e l s l e e p e r s .f a s t e n i n g t h a t t h e f i n i s h e d t r a c k h a s t h e s p e c i f i e d g au ge .

Gauge c l i p s and b o l t s f o r s t e e l s l e e p e r s s h a l l b e so combined during- - -F a s te n i ng t o c o n c r e t e s l e e p e r s .of th e recommended and approved pu ll er or le ve r, as a p p l i c a b l e . A hammer sh al l not be used to d r i vec l i p s t h a t a r e n o t d e si g ne d t o b e d r i v en .

Cl ips f o r c onc re t e s l ee pe rs sh a l l be app l i ed o r removed on ly by means

Superelevat ionS u b ie c t t o t h e o r o v i s i o n s o f 5.2.8.2. curves sha l l be n rov ided w i th the r e l eva n t sune re l eva t ion Riven., -_ _ Io n t h e d ra wi ng s o r s p e c i f i e d i n t h e p r o j e c t s p e c i f i c a t i o n an d f o r t h e o p e r a t i n g c o n d it i o n s g i v e n i n t h ep r o j e c t s p e c i l i c a t i o n .Superelevat ion of curves in yard t r acks s ha l l no t exceed 10 mn.The ra t e o f change of supe re l e va t ion sha l l be un i io rm and s ha l l no t exceed I i n 500.Li ft in g, Tamping, and Boxing In . B a l l a s t s h a l l b e s p re a d a t t h e r a t e s t a t e d i n t h e p r o j e c t s p e c i -f i c a t i o n o r g i v en on the drawings or scheduled.AfLer p l a t e l ay ing , t he t r ack sh a l l be l i f t e d un i fo rmly and even ly , bo th ra i l s t oge th e r , ca re be ingtaken to ei isu re tha t t he top o f t he t r a ck i s k ep t i n l i n e .he igh t by success ive l i f t s . e ach no t exceeding 100 mm .Slee pcrs sh al l be f i rm ly tamped underneath the r a i l s but only l i g h t l y t am ped a t t h e c e n t r e .s l eep e r sha l l be t amped to th e same degree o f f i rmness . Jo in t s l eepe rs sha l l be tamped l a s t . A f t e rt amping , ba l l a s t sh a l l be made up and boxed int o l in e in a nea t and workm anlike manner.T he f i n i s h e d b a l l a s t s h a l l h av e a top width of 2,4 m and a s lope o f l:l,5 on t he shoulde rs . The top oft h e b a l l a s t s h a l l b e l e v e l w i th t h e t o p s of the s l eepe r s excep t t ha t , i n t h e c a s e o f c o n c re t e s l e e p e r s ,i t s h a l l be l e v e l w i t h t h e t o p s o f t h e c e n t r e p o r t i o n s o f t h e s l e e p e r s . On c o m pl e ti o n, t h e t r a c k s h a l lb e t r u e t o l i n e , curvature , and grade, and th e whole of' che work shal l present a neat and workmanlikeappearance.Turnouts, S l i p s , and C r o s . .c ross in g bea re r s , s t anda rd sw i t ch boxesby the SA K ( see SAK S p e c i f i c a t i o n E 104j). Working p a r t s s h a l l s l i d e f r e e l y on t h e s l i d e c h a ir s .S w it c he s s h a l l f i t t h e s t o c k r a i l c l o s e l y a nd a c c u r a t e l y w i t h a f u l l b e a r i n g a g a i n s t t h e h ea d an d s h a l lr e s t norma lly on the s l i d e cha i r s .No p a r t o f a turn out sh al l have wear in exce ss of the maximum give n i n Table 1 , except th at th e minimumhe igh t of s to ck r a i l s of s tock s and guards and any cro ssin g sh al l be as fol lows:57 kg r a i l : 155 mm48 kg r a i l : 140 mm4 0 k g r a i l : 117 nmi30 kg r a i l : 10 5 imn.Each s e t s h a l l c l o s e l y m atc h t h e r a i l s i n t h e l i n e i n which i t i s i n s e r t e d .Tumbler weights of swi tch boxes s ha l l be pain ted wi th one coat of an approved primer and two coats ofan approved whi te paint .S topblocks.5.2.7, and 5.2.9.Stopblocks sha l l be pain ted wi th one coat of an approved primer and two coa ts of an approved whi tep a i n t .Clearance Markers. Clearance markers s ha l l be placed between converging t r acks a t poin ts where thed i s t a nce be tween cen t r e s i s 3,45 m i n t he ca se o f I 065 mm gauge track, and 2.75 m i n t h e c a s e o f6 1 0 nun gauge track.(o r o the r approved ma te r i a l accep tab ly bedded) and l eve l w i th th e ad jo in i ng ground, o r b a l l a s t , o r cessf i l l , a s ap p li c ab l e.The exposed surf ace of each c learance marker s ha l l be pain ted wi th one coa t of a n approved primer andtwo coat s of an approved whi te pain t .F i l l in g Between Tracks.r e q u i r e d t o w al k, t h e b a l l a s t c e s s s h a l l b e f i l l e d w i tha ) cle an washed power sta t i on ash having good dra inage p rop ert ies , orb ) a pp ro ve d f i l l m a t e r i a lt o w i t h in 50 mm of the requ i red f in i she d l eve l .nominal size 6 , 7 nmi.Dera i l Devices. Dera i l dev ices sha l l be suppl i ed and ins t a l l ed by the Cont racto r i n t he pos i t i on s g ivenon the drawings or a s d i r e c t e d .Each de ra i l de vice s ha l l be painted w i th one coat of a n approved primer and two coa ts of an approvedwhi t e pa in t .S ignboards.l ev e l c ross ings , road s igns sh a l l be e rec t ed in accordance w i th the requ i rement s o f t he app l i c ab le RoadTra f f i c Ord inance and to the co r rec t c l ea rance s l a i d down in the re l e van t SAK regula t io ns .CLEARANCE OF SIT6 ON COMPLETION. On complet ion of con st ru ct io n of t r ackwork the Cont rac to r sh a l l c l ea raway and remove from the S i te a l l pla nt , sur plu s PWM, rubb ish. and temporary works of e very kind andleave the whole of t he S i t e and the Works c l ean and in a workmanl ike condi t io n to t he sa t i s fa c t io n ofthe Engineer .

The t rack sh a l l be b rought to i t s prope rEach

Turnouts , s l i p s , and c rbss ing s sh a l l be cons t ruc t ed complet e w i thand fo o tgu a rds , to t he s t anda rd gauges and c l ea ran ces requ i red

S topblocks sh a l l be l a id , j o i n t ed , l i f t ed . t amped, and boxed i n a s spe c i f i e d in 5.2.6,

The markers s ha l l co nsi st of second-hand r a i l s bedded wi th the f lang e uppermost

I n t he spaces be tween t r acks where shunte r s and o the r op e ra t ing s t a f f ar e

The upper 5 0 mm s h a l l b e f i l l e d w i t h a gg r e ga t e of

S i gn b oa r ds s h a l l b e i n s t a l l e d i n t h e p o s i t i o n s shown on the drawings. I n t h e c a s e o f

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11 SABS 120 0 NB-1981Railway s id ings ( trackwork)

6.6.1

7.7.1

7.27.2.1

7.2.2

7.3a .8. 18.1.1

8.1.2

TOLERANCESU n le s s o th e r wi s e s t a t e d i n t h e p r o j e c t s p e c i f i c a t i o n . t h e p e r m i s s i b l e d e v i a t i o n s (PO) ( s e e C l a us e 6o f SABS 1200 A or SARS 1200 M, as a p p l i c a b l e ) s h a l l b e w i t h i n t h e a p p r o p r i a t e of t h e f o l l o w in gl i m i t s fo r Degree of Accuracy 111 i n t h e case of a p r i v a t e s i d i n g a nd D eg re e of Accuracy I1 for workdone on SAR t r ack s :

a) Track al lgnmenlPD fr om t r u e s t a k e d c e n t r e l i n e .........................PD from t r u e level of t r a c k .............................b ) Track g au ge ( s t r a i g h t s )PD from gauges speci f ie d i n 5 .2 .7 .......................c) S t r a i g h t n e s s of t r a c kPD f rom a 5 m s t r a i g h t l i n e .............................d ) S u p e r e l e v a t i o nPD a t any two points 1 200 mm a p a r t .....................e) S l e e p e r s p a c i n gPD from nominal sp aci ng spec if i ed i n Drawing W-4 .......PD a t j o i n t s l e e pe r s ....................................f ) C i r c u l a r c u rv e sPD f ro m t h e s t a n d a r d o r f s e t f o r o f f s e t s m ea su re d on a10 m chord ..............................................g) S t r u c t u r e c l e a r a n c ePD of c l e a r a n c e f o r t r a c k l a i d a d j a c e n t t o f i x e ds t r u c t u r e s ..............................................h ) P la t fo rm lev e lPD f ro m sp ec i f ied h e ig h t b e tw een r a i l l e v e l a nd p l a t f o r pl e v e l ...................................................i) Sleeper d imensionsPD from nominal le ngth ..................................PD from noml nnl wid th ...................................PD from nominal d ep th ...................................PD from pa ra ll el ( top and bottom) .......................PD f ro m p a r a l l e l ( s i d e s ) ................................-s s t a t e d i n t h e p ro j e c t s p e c i f i c a t i o n i f b e t t e r t h an I

P e n n i s s i b 1e d e v i a t i o nDegree of Accuracy

111mm

+ 20+ 20+ 3+ 5+ 5

+ 25+ 10

-------

-0 +10

+ 20-0 +75-0 +25-0 +2 5+ 10+ 25

g r e e of Acc

-

--

+ 6-- 3+ 3+ 2+ 3

+ 25+ 10

-----+ 5-

4 +10

- 3*****'acy 111 is :equired .

TESTINGGENERAL. Te st in g of th e s i d i n g w i l l t ak e th e fo rm of th e ch eck in g of co n s t ru c t io n g en era l ly an dp a r t i c u l a r l y of g au g es . su p ere lev a t io n s . c lea r an ces , e tc . by t h e PWi (see 2 .4 ) and o th e r o Ef i c i a l sof th e SAR. Such ch ec ki ng w i l l b e a d d i t i o n a l t o a nd w i l l t ak e p r eced en ce o v er an y ch eck s ca r r iedout by the Engineer.INSPECTION AND CHECKING OF TILE SIDING BY SARWhen construction is c o mp l e te , t h e C o n t r a c t o r s h a l la) ad v is e th e En g in eer acco rd in g ly , an db ) su b mi t t o th e Eng in eer a C e r t i f i c a t e of Compliance, i n the form re qui re d by th e SAR.The Co n t r ac to r sh a l l a t t en d up on th e PWI or o th er SAR o f f i c i a l ( s ) d u r in g th e ch eck in g . a t t h e s o l ed i s c r e t i o n of the PWI o r t h e s a i d o t h e r o E f i c i a l ( s ) . o f c l e a r a n c e s , g a u g es , s u p e r e l e v a t i o n s , a ndo t h e r f e a t u r e s of trackwork. A t h i s own c o s t , t h e C o n t r a c t o r s h a l l r e c t i f y w ork t h a t d oe s n ot , i nt h e o p i n i o n of the PWI or oth er SAR of f i ci al (s ) , comply with t he SAR's requireme nts (see 8.1.1).CERTIFICATE OF COMPLIANCE AND UNDERTAKING BY UWNEK. The Engineer w i l l s ub mi t t h e C e r t i f i c a t e ofCompliance and t he Undert aki ng by th e Owner t o t he SAR.MEASUREMENT AND PAYMENTBASIC PRINCIPLEST h e b a s i c p r i n c i p l e of measurement and payment f o r a l l t r a ck w or k , b a l l a s t i n g , a nd s u n d r i e s is t h a tt h e r a t e , i n a d d i t i o n t o c o v e r i ng t h e i t e m s s p e c i f i e d i n 8.3. s h a l l c o ve r t h e c o s t of having a l lmat er ia l s in sp ec ted b y th e PWI b efo re u se an d th e co s t of f ees p ay ab le t o t h e SAR fo r i n s p e c t i o n a ndt e s t i n g of t h e s i d i n g .Except where any i t e m of PWM i s provided and del ive red by o the rs . t o a p o in t th a t h as n o t b eend es ig n a ted a t t h e t e n d e r s t a g e . a l l haul w i l l be regarded as f r e e h a u l .o n ly w here p r i o r w r i t t en au t h o r i t y h as b een o b ta in ed f rom th e Eng ineer. Where overhaul is payable,t h e a d d i t i o n a l d i s t a n c e w i l l h e m ea su re d by t h e s h o r t e s t p r a c t i c a b l e r o u t e i n o ne d i r e c t i o n o n l y, t oth e near es t 0 .1 km.

Overhaul w i l l be payable

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12

8 .a., 2 COMPUTATION OF (~UAwTITIES2.1 Measurement oC trackwork w i l l be continuous, wit h no deductions made f or the len gth s occupied byturnouts . s l i p s , cro ss in g s . s to p b lo ck s , etc . which ar e measured as ex t r a o v er p la i n t r ackw o rk .

Where measurcment s t a r t s a t t u rn ou t s, s l i p s . o r cr o s s i n gs i t w i l l be made from the s to ck r a i l j o i n t .in c lu d ed i n. 2 . 2 Measurement oC b a l l a s t w i l l be t o t h e s p e c i f i e d p r of i l e -a n d no e x c e s s b a l l a s t w i l l be

the measurement.8.3 SQIF:I)ULED ITFM8.3.1 Su pp ly, D e l iv e r , and S to ck p i l e (o r Take Deli very o t and Sto ck pi le ) Trackwork

S e p a r a t e items w i l l be scheduled for each lengt h and class of r a i l .Th e r a t e s h a l l c o ve r t h e cos t of purchase of t he mater ia l s an d th e i r d e l iv e ry . u n lo adp i l i n g o n a s l t e or s i t e s se le c ted by th e Co n tr ac to r .S e p a r a t e items w i l l be scheduled fo r each type of s le epcr .

a ) Rai ls (o r check r a l l s ) ...........................................................b) Slee[,ers .........................................................................Th e rate s h a l l c o ve r t h e cost of purchase of t h e mater ia l s mid th e i r d e l iv e ryp i l i n g on a s i t e o r s i t e s se le c ted by th e Co n t r ac to r .c ) Ra i l - to - s leep er f as te n in g s f o r r a i l s other than check and runntng r a i l s ..S e p a r a t e items w i l l be scheduled for each type of f as t en in g .The ra te s h a l l c o ve r t h e cos t of purchase of t h e mater ia ls a nd t h e i r d e l i v e r yD i l in n o n a s i t e o r s i t e s se le c ted bv th e Co n t r ac to r .d ) Ra i l - to - s leep er f as te n in g s f o r check and ru nn in g r a i l s ...................Sep ara te items w i l l be scheduled for each type of fa s te n ing .The rate s h a l l c o ve r t h e cost of purchase of t h e materials a nd t h e i r d e l i v e r yp i l i n g o n a s i t e or s i t e s se le c ted by th e Co n tr ac to r .S e o a r a t e i tems w i l l be sch edu led fo r d i f f e r en t an g les o f tu rn o u ts . s l i o se) Tu rn ou ts ( o r sp ec ia l s l i p s an d c ro ss in g s ) co mp le te ..................- . .take-off tu rnout w i l l not normal ly be measured under t h i s item.T he r a t e s h a l l c o v e r t h e cost of purchase of th e mater ia l s a nd t h e i r d e lp i l i n g on a s i t e o r s i t e s se le c ted by th e Co n t r ac to r .f ) Cro ss in g t imh ers o r c r o ss in g t i e s ...................................Sep ara te items w i l l be schedul ed fo r each l engt h and type.The ra te s h a l l c o ve r t h e cost o f p u rchase o f th e mate r ia l s and th e i r d e lp i l i n g o n a s i t e o r s l t e s se le c ted by th e Co n t r ac to r .

....and

v e r y....v e r y

.. Unit: tng, and s tock-. u n i t : No.

unloading , and s toc k-.......... Unit: N o .unloading , and s toc k-.......... Unit: s e tunloading , and s toc k-.......... Unit: N o .cr os si ng s. NOTE: Theunloading , and s toc k-..........Unit: No.unloading , and s toc k-

g ) F i s h p l a t e s .......................................................................... U n i t : p r .S e p a r a t e items w i l l be scheduled fo r each type.Th e r a t e s h a l l c o ve r t h e cost of purchase of t he materials and th e i r d e l iv e ry , u n lo ad in g , an d s to ck -p i l i n g o n a s i t e o r s i t e s s e l e c t e d by t h e C o n tr a c t or .h ) F i sh b o l t s , n u ts , and sp r in g washer s ................................................. Unit: s e tS e p a r a t e items w i l l b e sched u led fo r each ty p e.Th e ra te s h a l l c o v e r t h e cos t of purchase of t he materials an d th e i r d e l iv e ry , u n lo ad in g. and s to ck -p i l i n g o n a s i t e or s i t e s se le c ted by th e Co n t r ac to r .i) Sto p blo ck s co mp lete , in c lu d in g h u f f e r ............................................... Unit: No.Sep ara te items w i l l be scheduled fu r each type.Th e rate s h a l l c o v e r t h e cost o f p u rch ase o f t h e mate r ia l s and th e i r d e l i v e ry , u n lo ad in g , an d s to ck -p i l i n g on a s i t e o r s i t e s se le c ted b y th e Co n t r ac to r .j ) Overhaul on items ( a ) - ( i ) abo ve (P ro v is io n a l ) ....................................... Unit: t.kmOverhaul d is tances w i l l be computed f rom the add it ion al d is t anc e ( t o t h e n e a r e s t 0.1 km from t h e endof. t h e 0.5 km free haul ) mul t ip l ie d by the nominal capac lty of the vehi cl e used i f i t is f u l l y l o a d e do r , If n o t , p r o r a t a t o t h e f u l l y l o ad ed c a p a c i t y.a ) L ay p l a i n t r a c k ..................................................................... Unit:Measured on c e n t r e l i n e of t r a c k.The r a t e s h a l l c o ve r t h e c o s t o f t a k i n g d e l i v e r y o f r a i l s , f i t t i n g s , a n d b a l l a s t f r om t h e v a r i o u ss to ck p i le s , i f any . t r a n sp o r t ln g , s o r t ln g . and se l ec t in g secon d-hand r a i l s (wh ere su p p l ied ) , l ay i n g ,l i f t i n n . o l ac i nr . a nd p ac k in g b a l l a s t , a l i m i n p , t h e complete t rac k . and boxing in .

8.3.2 Lay or In s ta l l T rack w o rk m o r km

- . ~ - -b) Extra-over i;em ( a j abov; f o r l ay in g on sh o r t r ad iu s cu rv es ............. ...........Unit:Range(s) of r ad i i w i l l h e sch ed uled sep ara te l y .

m or kmc ) Lay t u r no u t s, s p e c i a l s l i p s , c r o s s i n g s , o r s t op b l oc k s c o mp l et e ...................... Unit:S e p a r a t e i tems w i l l be scheduled tor each type.NOTE: The ta ke- off tu rn ou t w i l l not normally be measured under th i s i t e m .The ra te s h a l l c o v er t h e c o s t o f t a k i n g d e l i v e r y of r a i l s , f i t t i n g s . and b a l l a s t from t h e v a r i o u ss t o c k p i l e s , i f a n y, t r a n s p o r t i n g , l a y i n g , l i f t i n g , p l a c i n g a nd p a ck i ng b a l l a s t , a l i g n i n g t h e t ur n o u t .s p e c i a l s l i p , c r o ss i n g. or s topblock as ap p l ica b le , and bo x in g in .d) Supply and i n s t a l l take-off tu rnout complete (only where requi red i n terms o f t h e p r o j e c t s p e ci -f ica t io n an d sch ed u led ) ................................................................ Unit: Su mThe sum sha ll c over th e cos t of t h e r e l e v a n t o p e r a t i o n s se t o u t i n i t e m 8.3.l(e) an d i t e m (c) above,an d th e co s t of t ak in g temp ora ry occu p a t io n , cu t t i n g r a i l s , removing and disposing (a s s p e c i f i e d ) ofan app ropr ia te lengt h of t ra ck owned by o the rs . and of s lewing i n (o r in s t a l l i n g b y o th e r mean s) an dconnecting up the take-off tu rnout .e ) Weldine, of r a i l s i n t o l o n g l e n gt h s .................................................. Unit: NO .Each welded j oi n t w i l l be taken as one unit .

No.

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13 SABS 1200 NB-1981Railway sidings (trackwork)

8.3.3 B a l l a s t i n g3) P rov ide and d i s t r i bu te (o r t ake de l ive ry of and s to ckpi l e ) ba l l a s t(Type and grading stated) .............................................................. U n i ~ : m o r t

The r a te sh a l l cove r t he cos t o f o f f- load ing and d i s t r i bu t io n of ba l l a s t .s p e c i f i e d i n t h e p r o j e c t s p e c i f i c a t i o n , tlie quan t i ty measured w i l l be computed from the s pe ci i edq u a n t i t y p er u n i t l e n g t h or t r ack ( see 5 .2 .9 ).No deduc t ion w i l l be made fo r th e volume of s tone dis pla ced by s lee per s.b) L i f t and pack trackwork and box i n .................................................. Unit : m o r kmLi ft in g and packing w i l l be measured on t he cen t re l i n e o f t he t r ack . The ra te s h a l l c o v e r t h e c o s t ofa l l s u cc es s iv e l i f t s to b r i n g t h e t r a c k t o t h e r e q u ir e d l e v e l .

Unless some other basis i s

c) Extra-over i t e m (b ) above fo r t u rnout s , sp ec i a l s l i ps , c ro ss ings , o r stopb locks ..... Unit: Nu.The r a t e sh a l l cove r t he add i t i on a l cos t s o f l i f t i n g , pack ing . and boxing in of t he items scheduled.d) F i l l between t r acks ................................................ . I . . .............Unit :The r a t e s h a l l c o ve r t h e c o s t of p r o vi d in g , d i s t r i b u t i n g . p l a c i n g , a nd s p r e a di n g s u i t a b l e m a t e r i a l asspeci ie d.a) Trackwork ........................................................................... Unit : m o r kmb) Turnout s (ang le s t a t ed) ............................................................. Unit: No.c) S topblocks .......................................................................... Unit : No.The mass p e r metre of r a i l and number of s l e e p e r s p e r k i l o m e t r e w i l l be s t a t ed .The r a t e sh a l l cove r t he cos t of t he purchase of ma te r i a l s , t h e i r d i s t r i b u t i on , and the cons t ruc t ion ofthe complet e t r ack , exc lud ing ba l l a s t ing .a) Trackwork ........................................................................... Unit : m o r kmb) Turnout s (ang le s t a t ed) ............................................................. Unit: No.c ) S topblocks .......................................................................... Unit: No.The volume of b a l l a s t p e r k i l o m e t r e w i l l be s t a t ed .The ra te sha l l cove r t he cos t of p rov id ing the ba l l a s t , i t s di s t r i bu t ion , and the l i f t i n g and pack ingand boxing in of t he tr ac k complete.Provide a l l Mater ia ls and Construct S idings Completea ) Trackwork ........................................................................... Unit : m o r kmb) Turnout s (ang le s t a t ed) ............................................................. Unit: No.c ) S topblocks........................................................................... Unit: No.d ) D e r a i l s ............................................................................. Unit : No.Mass pe r me t re of r a i l , and number of sl ee pe rs , and volume of b al la st per kilom etre w i l l be s t a t ed .The ra t e s ha l l cover t he cos t o f t he p rov i s ion of mater ia ls , t h e i r d i s t r i bu t ion , and the complet econs t ruc t io n of t he re l evan t pa r t o f t he s id ing .

8.3.7 Crane Track (o r R a i l s i n Quay Wal ls, e t c . ) ............................................. Unit : mCrane t rack w i l l be measured as l e n g t h o f s i n g l e r a i l .The r a t e s h a l l c ov e r t h e c o s t of t a k in g d e l i v e r y of r a i l s , f i t t i n g s . and b a l l a s t ( i f a n y) fro m t h ev a r i o u s s t o c k p i l e s , t r a n s p o r t in g , l a yi n g . l i f t i n g , p l a c i n g and pa ck in g b a l l a s t ( i f a n y ), a n d a l i g n i n gthe complete t rack.

m3

8.3.4 Provide Rai ls , S leep ers, and a l l Fastenings and Lay Track only

8 .3 .5 P rov ide and D i s t r ib u te Ba l l a s t , L i f t and Box i n Track

8.3.6

8.3.8 Rerail and Resleepera ) R emove ( o r i n s e r t ) s l e e p e r s ( o r c ro s s i n g b e a r e r s ) w i th r a i l s i n p o s i t i o n . d e t a i l ss t a t e d ................................................................................. Unit: No.Sepa ra t e items w i l l be scheduled fo r s l e epe rs and f o r c ro ss ing bea re r s .The r a t e sh al l cover the cost of whichever of the fol lowing ar e appl icabl e :s l e e p e r s ( o r c r o s s i n g b e a r e r s ) f ro m t h e v a r i o u s s t o c k p i l e s , i f a ny ; t r a n s p o r t i n g and d i s t r i b u t i n g t ut h e v i c i n i t y o f t h e r e s le e p e r i n g ( o r r e p l a c i n g of c r o s s i n g b ea r e r s ) ;re l ea s ing s l ee pe r fa s t en in gs (dog sp ikes , coach screws, c h a i r s , s o l e p l a t e s , c l i p s , e t c . ) ; re mov in g o l ds l e e p e r s ( o r c r o s s i n g b e a r e r s ) , as appl i cab le ; i nse r t i ng new s l eepe rs (o r c ross ing bea re r s ) ; c l ean ingfas t en ings and gene ra l ly fa s t en ing up t he t r ack aga in w i th new or ex i s t i ng fa s t en ings , as scheduled;re tamping the ba l l as t , a l ig nin g the t rack , and boxing in.b) Remove (or insert) r a i l s ............................................................ Unit : tSepa ra t e i t ems w i l l be scheduled f o r each ope ra t ion and f o r r a i l s o f each mass per metre.The ra t e s ha l l cover t l ie cos t of t ak ing de l ive ry of r a i l s f rom the va r ious s to ckpi l e s , and t ranspor t ingand dis t r ib ut in g them, removing exi st in g r a i l f i t t i n g s ( f i s h p l a t e s , f i s h b o l t s , and wa s he r s) . re mov in gr a i l s , c lean ing and o i l i n g ra i l f i t t i n gs ready fo r re -use , l ay ing new r a i l s us ing new or o r ig i na l r a i lf i t t i n g s , as scheduled, r ea l ign ing the t r ack , and l i f t i ng the re l ea sed ra i l s and t r anspo r t ing them backt o des igna ted s tockpi l e s .c ) D e s t r e s s e x i s t i n g LWK t r a c k ......................................................... Unit : m o r hMeasured on cen t re l i ne of t r ack .The r a t e s h a l l c o ve r t h e c o s t of d e s t r e s s i n g t h e e x i s t i n g LWR t r ack in accordance w ith the requ irement so f t h e p r o j e c t s p e c i f i c a t i o n .d ) Cons t ruc t t u rnout s , c ross ings , e t c . a longs ide t r ack and s l ew in t o pos i t i on .......... Unit : NO .Separate items w i l l be scheduled fo r each type o f t u rnout , c ross ing , e t c .The ra t e sh a l l cover t he cos t of t ak ing de l ive ry of t he tu rnout , c ross ing e t c . , as appl icable . completewi th a l l f i t t i n gs and bea re r s , t r an spor t ing to t he des igna ted take-off po in t , a ssembl ing, cu t t i n g thee x i s t i n g r a i l s t o c losure l eng th , open ing up the ba l l a s t , r emoving the ex i s t i n g t r ack , s l ewing in thet u r n o u t , c r o s s i n g , e t c . , as r e l e v a n t, f i x i n g f i s h b o l t s a nd f i s h p l a t e s , r e b a l l a s t i n g and a l i g n l n g t h etrack, and boxing in.

Taking del ivery ofopen ing up the b a l l a s t ;

-e ) D r i l l f i s h b o l t h o l es o r c u t r a i l s ................................................... Unit: No.Each ho le o r c u t w i l l be measured.The r a t e s h a l l c ov er t h e c o s t o f d r i l l i n g a d d i t i on a l f i s h b o l t h o l e s o r c u t t i n g r a i l s , as re l evan t .f ) Remove old tr ac k signs .............................................................. Unit: No.The r a t e s h a l l c ov er t h e c o s t of e s s e n t i a l e x ca v at io n , u p l i f t i n g of o l d t r a c k s i g n s , b a c k f i l l i n g t h ehole s from which t he t rack sign s were removed, and t rans port ing t he sig ns t o the designated depot .

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SABS 1200 NB-1981Railway sidings (crackwork)

14

8.3.9 Rehallasca) Repack and hox in exis cLn g crackwork ................................................ Unic: m o r kmb) Remove a n d sc r een e x i s c l n g b a l l a s t .................................................. Unic: m 3Separace items w i l l b e schedul ed fo r manual and mechanlcal mechods of r eb al la st in g.c ) Dispose of s p o i l r esu l t in g f ro m r eb a l ta sc in g ........................................ Unic: m3The race sh a l l co v er th e co s t of lo ad ing , o f f - lo ad in g , and d i sp o sa l w i th in 0 .5 km.d) Overhaul on i t e m ( c ) ................................................................ Unic: m /kmOverhaul will be measured as che product of the haul di st an ce in excess of 0.5 km, and che volu mehauled.

3

8.3.10 Su n d ries . P ro vid e , d e l iv e r , and s to ck p i l e ( o r cak e d e l i v e ry of and sco ck p i le ) and in s t a l la ) R a i l l u b r i c a t o r s .................................................................... Unic: No.b) C learan ce markers ................................................................... Unic: No.c) Track s ig n s ......................................................................... Unic: No.d) G u ard ra i l s , cacc l e g uard s and s im i l a r accesso r ies ................................... Unic: No.f ) Track bonding ....................................................................... Unic: No.e) In s i tl ac in g b lo ck jo in t s ( cy pe s t a t ed ) ............................................... nic: secEach p a i r of r a i l jo i n cs w i l l be measured as a s e c .Each r a i l j o i n c w i l l be measured.The r a t e f o r e a c h of i t e m s ( a ) -( e ) , i n c l u s i v e . s h a l l c o ve r the cos t of provid ing , del iver ing . andins cal l in g each of che i c ems scheduled.Separace i t ems w i l l b e schedul ed fo r each cype.Th e race s h a l l c o v er the co s t o f h an d l ing th e r e leased mate r ia l f r om d es ig naced sco ck p i les , lo ad in g i ci n t o railwa y trucks placed on the nea resc non-running li ne t o the stoc kpi le . and making ou t d e s p a t c hnotes in ch e form ordered.

8.3.11 Load mater i al re leased f rom sto ckp ile s ................................................. Unic: c o r No.8.3.12 Daywork. See SABS 1200 A o r SARS 1200 A A , as a p p l i c a b l e .

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1 5 SABS 1200 NB-1981Railway s idings ( t rackwork)

/8KW>8

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MINIMUM CLEARANCE FOR ELEC TRlFlC TlOf OF 4930mm TO ALLOW GAUGE 1 0 6 5 m mFOR FUTURE IMPROVEM ENTS IN TRACK STANDARDS. CLE ARA NCE FORNEW STRUCTURES MUST BE NOT LESS THAN 5 0 8 0 m m ABOVE EXISTINGRAIL LE VE L. STRUCTURES ADJACENT TO OR OVER CROSSOVER TRACKSMAY REQUIRE ADDITIONA L CLEA RANCE, THE AMOUNT TO BE DECIDEDay THE C.C.E.

REWIREMENTS

WORKSHOP AREASAND TEMPORARY

ALL DIMENSIONS IN MILLIMETRES ALL DIMENSIONS IN MILLIM ETRE SNON - ELECTRIFIED LINES ELECTRIFIED LINES

Drawing NB- 2- Minimum Structure Gauges (Straight Track)

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'AD1USOFURVEINETRES90100125150175

200250300400500600800

100020003000

-3152852301901651451159670605040301510

- -B C D F G8 8

2730 3060 44502700 3030 44502650 2950 44302600 2900 44302580 2880 44302570 2860 44202550 2800 44002540 2780 44002520 2700 43702520 2700 43702510 2660 43502500 2620 43402490 2580 43302480 2540 43002475,2500,4290,

NO T E :Dimensions in rnillimeters

I I25 2I10I I25 2 I I 0I I65 2058I I6 5 2058I I65 2055I 2 0 I9951210 1995I250 I9081290 18851290 I885I335 I8301335 18301375 17701460 166CI 500, I600

H19804 98019804980497049704970497049604960495349504940494049 30

- CLEAR ANCE' FOR OVER HEAD STRU

-NON ELECTRI FlED LINES ELECTRIFIED LINESNOTES

I ALLOWANCE FOR CURVATURE "A" IS BASED ON 15 IOOmm BOGIE CENTRES2 CLEARANCES ARE BASED ON MAXIMUM SUPER ELEVATION FOR iNS lDE OF CURVE AND_--MINIMUM -SUPERELEVATION FOR OUTSIDE OF CURVE3 FOR CURVES WITHOUT SUPERELEVATION USE GAUGE FOR STR AIGHT TRACK ADDING "A"TO BOTH INSIDE AND OUT SI E4 8 FOR 2160mm CLEARANCE DEDUCT 300rnm5 (> MINIMUM CLEARANCE FOR ELE CTRIF ICATION DIMENSION "H" TO ALLOW FOR F U M EIMPROVE MENTS INTRACK STANDARDS. CLEAR ANCES FOR NEW STRUCTURES MUST BE6 STRUCTURES ADJ ACENT TO OR OVER CROSSOVER TRACKS MAY REQUIRE ADDITIONALCLEARANCE: THE AMOUNT TO BE DECIDED BY THE CHIEF CI VIL E NGINEER

150mm MORE THAN DIMENSION H " ABOVE EXISTING RAIL LEVEL

Drawing N B-3 -Minimum Structure Gauges (Curves),Gauge I 065mm

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325

NOMINAL SPACING0=700mrn

END OF RAIL AT JOINTLENGTH OF RAIL -

NOMINAL SPACINGC= 800 nrn

5 MAX250

SLEEPERS SLEEPERS A BPER PER mm mmRAIL km VARIABLE

52 I 44 4 525 850

I429

360001065mmGAUGE

FOR1065mmGAUGE

SLEEPERS SLEEPERS A BPER PER mm mmRAIL km VARIABLE

46 I 278 475 800

I 250

610 mmGAUGE18

1/ND OF RAIL AT JOINT1 333 550 BOO

GAUGENOTESI.MMENSlON FROM END OFRAIL To CENTRE L INE OFFIRST SLEEPER MAY VARYTO SUIT JOINT REPUIRE -MENTS BUT MUST NOTEXCEED 325mm

2.DIYENSION "B"FROM END OFR A I L TO SECOND SLEEPERSIS FIXED.3.SLEEPER SPACING A)R SAFETY

BARS To BE SAME AS FORLOCK BARS.4 PROVIDED THAT STEEL SLEEP-ER S OF TYPES E.22 AND E.1053ARE US ED, THREE RAILS OF

12m MAY BE WELDED TOGETHER.NO AMENDMENT TO THESLEEPER SPACING ISNECESSARY.FOR AL L OTHERTYPES OF SLEEPERS ONLYTWO RAILS OF 12 m MAY BEWELDED TOGETHER.255 255 635 735 14/813 , SLEEPER SPACING ToSUIT LINE -

LOCK BARSLEEPER SPACING FOR LOCK BARS ON WOODEN SLE EP ERSTOCK RAIL JOINT

Drawing NB - 4 - Sleeper Spacing

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19

APPENDI X A APPLI CABLE STANDARLISKefer ence i s made t o the l atest i ssues of t he fol l ow ng st andards:

SABSSABSSABSSABSSABSSABS

SABS 1083 Aggr egates f r omnat ural sour cesSABS 1200 A Ci vi l engi neeri ng const ructi on : General 200 AA Ci vi l engi neeri ng constr ucti on : General ( smal l works) 200 D Ci vi l engi neer i ng const r uct i on : Ear t hworks 200 DA Ci vi l engi neeri ng constr ucti on : Ear t hworks ( smal l works) 200 DN Ci vi l engi neeri ng const r uct i on : Ear t hworks (r ai l way si di ngs) 200 C Ci vi l engi neeri ng const ructi on : Concret e (st ructural )200 GA Ci vi l engi neeri ng const ructi on : Concr et e ( smal l works)

SABS 1200 NB-1981Rai l way si di ngs ( t r ackwork)

ISBN 0.626-06060-5sabspta

http://sans1200aa.pdf/http://sans1200d.pdf/http://sans1200da.pdf/http://sans1200dn.pdf/http://sans1200g.pdf/http://sans1200ga.pdf/http://sans1200a.pdf/http://sans1200a.pdf/http://sans1200a.pdf/http://sans1200a.pdf/http://sans1200a.pdf/http://sans1200a.pdf/http://sans1200aa.pdf/http://sans1200aa.pdf/http://sans1200aa.pdf/http://sans1200aa.pdf/http://sans1200aa.pdf/http://sans1200d.pdf/http://sans1200d.pdf/http://sans1200d.pdf/http://sans1200d.pdf/http://sans1200da.pdf/http://sans1200da.pdf/http://sans1200da.pdf/http://sans1200da.pdf/http://sans1200dn.pdf/http://sans1200dn.pdf/http://sans1200dn.pdf/http://sans1200dn.pdf/http://sans1200g.pdf/http://sans1200g.pdf/http://sans1200g.pdf/http://sans1200g.pdf/http://sans1200g.pdf/http://sans1200ga.pdf/http://sans1200ga.pdf/http://sans1200ga.pdf/http://sans1200ga.pdf/http://sans1200ga.pdf/http://sans1200ga.pdf/http://sans1200g.pdf/http://sans1200dn.pdf/http://sans1200da.pdf/http://sans1200d.pdf/http://sans1200aa.pdf/http://sans1200a.pdf/