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Reinforcc l)irnerujoru lor NpJ Rcinfonrd rod Unrtiofon-.cd rnrl Nl,Jd Pipcs i\lade by Yenical Castiog proccsr

(Clau.tc 5 .J)

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(Clorsa 5.3)

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\Amcnehtnt , ! .r . ; , . l i r6l . ' 16, rVt_rre t) - Inren rhc fol lowing rt rhc cnd of Norc l :' fha Jcrai l r c l rnr l J ! t !<t .q l l . , r !nr ,J !v ! l f r r ;ob t

J r . . i I u , , , t r f f d i ( 4. : e'+=u.,aj r'P<

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. rrun |TuD , ,nan

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( P.jtc j0, r 't..rr;rc 6..J. secon,i rnL! ih,rJ tert.nccr) - Substitutc rhc follorving for rlc exisring scn(cnccs" l l rc c rgcs sha l l cons is t o f sp in ls o r c i rcu l .v r ings and s t r i rgh ts o f h l rd -drJwn s rcc l \ r i rc o r mr ld 5 tcc l rod .i lcinforccnrcnr cag,cr shil l bc plrccd symmcricaIy wirh rcspccr ro th€ rhickocs, of thc pipc wo[..

(Puge ?0. ciausc 6.1.l,/ lrst sgnrtnce\ - tnscn rhc follo.*-.ing :r rhc cnd of f irs( scnrcncc:'o r

5 ) g r : rc o rJ i r r r r l Pon l rnd rcnrcn t '

( / ' ; ; c !0 . c tnurc 7 ,1 ) :

! , lnscn rhc fo l ro \ r rng ar rhc cnJ o f f i r r t scnrcncc .'Ifci*cvtr, in clsc of prpcs manufacrurcd by a"rr,ng proccsj, rhcr t r i4 [nu tn rc rn fo fccn tcn t ( in cJ jc o f f c io fo .ccd p i f ] cs ) and 5 t rcngthc , f p r ; c s s n r l l b c a s g r v c n r n T r b l e s l A . l l ] , t A a r d . l U '

b i ; , ] 5 c i l h c | b i I 0 \ } g l g 3 l t h C c n d o i i ] t q c l r u s c � � �

' ior collJr jorntcd c'hss NP,].rnd \ lt,t prpcs of 1r9mlntl intcmallcng th mai r l ro bq 1 .25 m. '

(l"ugc l l, ,\tttc unJtr cloi,se 7.:) - lnscrt thc folloNlng 3t thc end:' in ca5< of prpc5 rnrnuiacturc,l by sprnnrnt paoccss .

(Pagc 21, ctouse E-2) - Subsrilurc rhc following for rhc cxistint clausc :'3 .2 Do ia t ion f rom St r r iSh t -T ledcv ia t ion f rom s t ra igh i in any p ipe th roughout i t s c f fecr ivc l cngrh , tcs rcdb ) m c ! n ! o f a r i g i , J s t r a i g h t c d g c a s d c s c r i b c d i n l S 3 5 g T : l g g E r s h a l l n o t € x c c c d , f o r r l l d i a m c r c r s , - J m m f o rc t Cr:' mclrc run.

l i ' r . t€ : i . : : ;us t9 . l . l , f i r s tsen tence) - Subs t i ru re rhc fo l low ing fo r rhc cx is r ing scnrcncc :' i , r ' r t l ]

n r : ru i rc lu rc . t cs ts on comprcss i rc r t r .oS lh o fconcrc tc cubcs sha l l bc donc as dcscr ibcd in tS 5 l6 : t959r .i rc i ; rcssur r ' p rpcs :p l r r t rng tcns i l c s t rcngth tcs ls o fconcre lc cy l indcrs sha l l bc can icd ou t as d .scr ibcd rni S i S l t 5 : 1 9 9 9 r ' r

\Page2I , /ooru" t ts u r id t r c louse 9 .1 . r ) -subsr r tu rc rhe fo l lo r r ing fo r rhc cx is t ing foornorcs :'rfil.li'$

of fasr for con ct<|. ptp<s lytoao rcvttrort: lUcUrod of t rn fo. ! l r .ngih ofconc.Ei !' l ! l . rhodo1r.r t for rp i , r r ,ngr(nr i lcru.nt(hoacot f t t Vi . l t / . t t t ton)

(Pogc 11 , c ia ; tse 9 .2 ) - Subsr i ru rc rhc fo l lo r r ing fo r lhc c r is t rng c laus . :'Q l T l tc s t l i c in lc r rs o l 'p ipcs sc lcc lcd in JccordJncc \e r rh 9 . t 5h t i lbc sub iccrcd to t \ c fo l low ing tcs ts in accordancc* ' i l i l S l J 9 7 I I 9 9 3 ' I

J l l i r J r o \ l . t t l c t c s t .

J of fcbte

' | , t r

Amcndmcnl l io . J to lS {Sg ; lgEg. , , : , i i " r , . , .

l 6 ) - Subs t r tu tc rhc fo l low ing fo r rhc cx i ! t rng

Intcmal diamctcr, wall thickncss, thctcst rcquircmcirs for diffcrcnt classcs

dramctcr 900 mm and sbovc, u'rc ciTcctir c

tsqrf\ l r , r r . i r ( l l t \ r r . , 1 l r r lS . lS l i : l 9h , ' 1

i . ) l l r r dc - cdSc bc r r t ng t cs l . enJ

i ) l ) c r n r cJb i l f l \ t . s t

( r ' ' . r ! r l i . . ; r r r . ' r 9 . 1 . 1 . ; ' : . j 9 . 1 . : l - S ' l i s t r t u l c ! h e f g l l o \ \ r I l ! l b r I h e c r i s t r r r ' : c l a L t s c s

' Q I I l ' , J r 1 r i r . r : ' r l , l \ l i r 5 l \ \ i r c r l ; , : . i . - i : r J I - r ' l \ t ) \ l . l r l ! c \ \ l l h : r l ' l l r t ' i l i ' \ i ' 1 r ' > _ r D c J ' S l S l " ) '

\ . r l l ' : \ t | r e t \ ; ' r i , \ \ | ) r r . , i L r i r . r l ) r ' r , l - I l r c ' l c r i j s i l . ) l : b c ' J o t l c t ' r t c u l r i r l c \ u r l J ! ( c l i r r P ' ' r f ' l \ u i ' r ! ( i

I i ! :

l , : r , 5 P r c .

^ , | ! r t ' TLs r

g -2 - l . l J , r r . , ; j o t \ t , r l ) r r a t l

11 t c , J rop o f , . . . : t . ' r i c r c l i n t J l c s l j r ' : J l ) r j ' ! ' i t t i t c c r t d t r f I h i s t hc r l l r t r a l l bsoq r " i ' - r l I l l i s s l r r l l r i ' ' l ( \ ! ' c J I \ ' r r

and rhc d , l _ i c r c r i cc I n a r l ! l ! \ ' o r a . r J ' I r ' : s s l l l l l no : t : n ro r c t h :o 0 j c l r ' '

9.1-1.L t-,nal 7o ttohrl t t r

' , r l ! | . n . r ! , r t | l , l i i c \ l . r r l . i l ) 1 i ) c - r : 1 , r ' i i r l 1 ' l l r c

r ' l r l r i f r ) ! i l l r l r . r u r r i I l l c l l n r l ; ' c r i r r . ! l ' , i ' ! \

c \ i ) r c J ) c J r : i c r ' f i l i ' a l l l r r 5 \ l r J i l ' r ( r i c \ ! ( c J 0

( / ' . . r f c I 1 . , 1 , I ) i , 1 J ; r n t t i t c . ' r , , 1 . ' i / i : ' / ' i - i , l

' \ 1 : r : : 1 J " - ' \ r I . 1 1 ' ' . , ' I t ( . _ r ' l { \ t ' . . , a . r / r I ! " ' : )

'

r r , ; r r i : r , r d t : r l r : r r . t J . r ! i ' , 1 J t l l . r l f ' l r r r u r r t r r c r v ' r l t i I t o ' l l r / \ l ) \ ' ' r : ' l ' : r

l l r t r \ ' a r i r i l . ' r c l , l ' r r g o l l r vo t c l t J co l l LJ r l c l c r l o t l : l I t l p i J l r ' r l : l ' l

. " c : l r I '

- Su t ) . , l i t u l c t l r c l . r l l o r r r n l i f q r t l t . c \ r \ l r l r t l o ' ) l r r ( ' l c

t C l i ) ) r )

Reinforcement Details|

.l() i

Die ofpipc (mm)

Webthicknc$Jmm

Longiludin|l nos

SteelWcigbl(kc)

Spira] (kg) Totdweight(kg)

8999

Totalweightwithcross ST

Cementper pipc( bag

Weight ofpipe (kS) c.r(r

900 55 8 3.05 23.125 26-175 26.74O 2.97 990 a .r000 60 8 {.+0 26.725 31.125 31.800 3.59 I 198 o , t lI 100 65 8 4.40 31.850 36.250 37.m0 1.28 o - 5 q q i i1200 70 6 .t..t0 i8.675 {3.075 43.800 5.02 t675 o 6 q 1 L1400 75 t2 6.60 51.425 5t.025 59.100 6_25 2086 a . 8 d t o1600 80 8+8 E.EO 63.500 72.300 73.700 7.69 2531 ' o 5 t 5I E00 90 8+8 8.80 81.850 90.650 92.000 9.61 3209 . 3 3 Q20u) 100 t2+12 13.20 I t2.E50 126.050 l2E.lu) 15.54 4145 - b r i 5 !

?200 l l 0 l2+ 12 | 3.20 u4.925 15.1.125 156.t00 17.96 .1788 - q n t

NP3 CLASS l a ; t 'Dia ofpipe(mm)

Webthicktressmm

Longitudinal nos

St€elWcight(kg

Spiral (kg) Totalweight

tkg-r - l Y >

Totaln€ightwithcross ST

Cementper pipe( blg

Weight olpipe (k9 cf\.r

900 100 616 6.650 45.750 52.400 53.{00 ) b ) 188.1 o '1000 t l 5 6.650 5-i.800 60.450 61.500 2416 I - e o . '1100 1 1 5 6+6 6.650 69.975 76.625 77.700 7.90 2610 I a i j s1200 t20 8+E 8.E75 83.925 94800 94.200 8.95 2981 al,lOO 135 8+8 E.675 l15.525 t24.4M 125.830 r l . 7 l 390.1 ' 6 z ( t1600 140 8+E 8.875 t63.500 172.375 173.E00 13.76 +589 l l1800 150 l2+12 23.100 217 .7 50 2.11.150 241.7N 16.53 -s-ll0 z " 2 7 s g2000 170 12+12 23..100 2t1.750 26E.lv) 272.OW 20.85 69482200 185 t2+12 23.+00 283.250 306.65{l 3t0.200 21.91 8314

NP4 CLASS I

Size of collar. 42 46

Cement 0-261 0.322

St€ef. 2.2aO 2,5E0

1268 M7a

0.360 0_526

3.120 5.580

170E 191t 213E

o.646 0.903 l.0l I

7.220 9.670 13.150

50

0.360

3.420

54

o.124

J.440

60

0.564

5.580

'r,/1,

1 \,,' '

Dia ofpipe (mm)

Webthicknessmm

t ongitudiDal nos

SteelWeight(ks)

Spiral(kg)

Totalw€ight(KG), t 33

TotaIweightwithcross ST

CementIr€r pipe( bas)

Weight ofpipe (kC) Cf\ r

900 100 6+6 8.600 67.830 76.{30 77.8fi) 5.65 1884t . b a S t1000 I l 5 8+8 t-5.100 88.700 103.E00 l06, n 7.24 2116

I100 l t ) 8+8 15.100 109.400 r24.500 126.E00 7 .90 2640 l - o q t !1200 120 E+8 15.100 132.670 147.770 150.100 8.95 29E1 I c1400 1 3 5 8+8 23.400 t94.050 217.4fi 221.0(n t t . 7 l 39041600 1,10 t2+t2 23.+00 272.125 295.E20 299.{00 13.76 .r589 l - q r t I1800 150 12+12 37.2N 375.550 1t2.7fi 41E.300 t 6.53 5 5 1 0 z . 2 9 52000 170 12+t2 37 _200 379.+7 5 116.675 {22.300 20.E5 694E z - 1 02200 185 12+ 12 37.2W ,t02.250 {39.{50 4'15.100 21_94 8i l, l t . A

-/-

I

A.uENDUBNT NO. 2 APBIL 1891 '

?orS {58:1988 SPBCIFICATIoN FoR PnBCAST COTCnBTEprpBs (rfrrH AND nrT[OuT nsixroBcEuEiii--'

( Thfrd Rovlsloa)

l P a g e I , c L a u s e 0 . J . f ( c ) l - S u b s t l t u t g t h e f o l l o r r l n g f o rt h e c x l s t i n g m a L L e r ;

.c) In th ls rev ls lor r a new c lass l f . l ,cat lon 9f p lpes has beenfo l lowed. In respect of s l rength test , the " . , . i i i "u" - - ; ; " ; ; ; ;

s l th the o1d c l .ass l f lcat lon as fo l lor rs :

S a m e a s c l a s s N p l o f e a r l l e r s t a n d a r d

Equlvalent to c lgss Np2 of ear l lerstandard

New cLass ln t roduced ln th ls rev ls lon

Equlvalent to c l .ass Np3 and Np4 ofearL ler s tandl rd

Class p1 ,p2 Same.as.c lsss p1 ,p2 and p3 of Ear l . lerand P3 standard

L o n g l t u d l n a l a n d s p l r a l r e l n f o r c e n e n . t f o r d i f f e r e n t c L a s s e s o fPlPes and three edse bearlng test loal of "fo"" i* -p#-"-;";;

been modlfled ln thls -revlslJn., nu i n i.i".-oient to bc provlded lnsocket of d l f ferent c lasses of p fpes - io i ' iuoo. ,

r tng Jolnt havcaLso been lnc] .uded. }nes sui t iu f -e

- tJ i ' r j i r * "y loading are r io tlnc luded rn thrs s tandaid ag present- i -na-

- t i r r r nrSht be tncrudedat a rater s tage, Tho present crass nFi -p ipes ahal r not be usedlor ra l l ray loadlng. '

( Pate 2, c . l rase 1.1) - Inser t the fo l . loetng at the 6nd;

d""d. Tho requl rements for co l lars . ! re e lso coveled by th ls s tan_

NOTE - In addl t lon to the re{u l l icmencs specl f icd specl fL_cal ly tor the col lars , t t rc requi ie iJ 'L gr" .n ln thc fo l loH_lng c lausca shal l a l .so apply ior . " i i " i " ,

1 . ? , , 4 . 3 , 4 . 4 , { . 5 , ^ 4 . 5 . 1 , t l . 5 . 3 , 4 . s . 4 , 6 . r , 6 . 2 , 6 . 2 . 1 ,8 . 2 . 2 , 6 , 3 , 6 . 3 . 1 , 6 . 4 , 7 . i , i , - . i : ' s . i : i , , a . r . z , - a . i . i , - a . i . r ,1 1 . 1 a n d 1 1 . 1 , 1 . .

( P a g e 2 , c ) t u s e _ 3 . f - ) _ D c l e t e . s u c h

a s , r a l l s a y l o a d l n g .l ron l tnc l5 and lZ of coiumn :-" i- t f ," - i lornar

taUr".

cr. I

C l a s s N P 1

Class NP2

Class NP3

Class NP4

',ii lI I

\\\\

r i

3oi1r:l Page 3, c l .ausc { .3) - Subst l tute the fol lowlng lor th i cx_c lauso ;'1.3 Aaarcaat€s - Agglegates us6d lor r'anufacturc o{ unrernforeedand rclnforccd concrcto plpcs shal l "onioi" to 3 of IS 3g3:19?O?.Thc naxlnun srzo of aggrtgatc 'srroura no' cxc.ed onc thrrd ihethlckness of the p1p6 -o!_ ZO srn, rhlchevir Ls smal lcr for plpcsabova 250 nm in t c rna l - d lane tc r . t ; l

- i o " p lpcs o f l n ta rna ldlat lctcr 80 to 250 nn tho maxlnurn slzc 'ot aegrcgate should be 10

IDID .

NOTE - I t 1 ,s nrafcrablg to havo the s lze and gradtng ofaggregates conforn lng to IS 393:1970?. I t is a ls" - p" i iJ"a_able that matcr la ls f lnar th ls ?5 mlcron IS Steve l .s rest r i_c t e d t o 3 . 0 p c r c e n t b y m a s s . .

( PaSe 4, oLausc 5.2) - Inscr t the fo l l .oHlng as a nes t )ara:

F o r n o n - ? e l d c d c a g e s s p l r a l r e l n f o r c e m e n t o f t h e s a n edlarDctcr shaLl bo c losely spaced at the end of the p lpe for alcnEth of 150 nn to n ln l r t lzc danage dur lng hant j l lne. f f , , i "p i " lngo - t s _ u c h c n d s p l r a l s s h a l l n o t e x c e e d ! - O , , o " h a l f l h e p 1 t c t , .gh lchcvcr rs less, such- sprra l re ln iorc lnenu at ends shar l beD a , . t o f t h 6 t o t a l s D l l a l r e i n f o r c e m e n t s p e c l f l c d t n d l f f c r c n ttables . '

_ ( P a g e 4 , c l a u s e 6 . 2 . 2 ) - _ I n s e r t

- s u b J e c t t o t h e r e q u l r e m e n t go t 5 - 2 . 2 - t . ' a t t h e e n d a n d t h s a r t a i r e , r c l a u . o S . ' Z - r . i ; ;f o l o w s :

' 5 . 2 . 2 . 1 T o l c r a n ^ c ^ c ^ s q l y " n l n I S 4 3 2 ( p a r t t ) : l g g | z , I S4 3 2 ( P a r t 2 ) . : t 9 B Z 3 , I S 2 2 6 : 1 9 ? 5 r a n d f S l i - S S : t 9 8 5 s s h a l t U . ' . p _pl . led to thc min lnun mas_s of lonel tudf ;a l re lnforcernent specl f l ;d ,ln d l f ferent tab lcs. . Totar . mass of ton i t lu , l rna l re lnforcenentshal l be calcu lated tak ing rnto account the c lear co" . " p io" iJ .aat each end o l th6 p lpe.

NOTE - For longl tudlnal re lnforcement conformlng to fS432 (Par t 2r : l9}2t , - to lerancc. on ,Dass shal l be cafJulateafrom the d lam6tcr to lerance.

( P. tge 4, Footnote, - fnser t the fo l lor { lng nex footnotes;' z S p c c l f l c a t l o n

f o r n l l d s t c e l a n d n e d l u r n L e n s i l e s L e e l b a r sand hard-draHn steeL r f l re lor concrete re lnforcenent par t 1 ! [ ldsteel and nedlun tcnr l lc s teel bar i r ( th j rd ievtsJon) .

rSpecl f lcat lon tor tn l ld 3tce l and nedlum tensl lo J teel . barsa n d h a r d - d r a n n s t e e l r r t r c f o r c o r r c r e t e - r L r n f o r c e n e n t

p a r t 2Hard-drawn steel r f1 !c ( th l rd rev ls lcr i f - - - - '

t s p c c l f l c a t l o n f o r c t l u c t u r a l . t o c l ( s t a n d a r d g u a l l ' t y )

(fffth ueel s ! on) -

s s p e c l f t c a t l o n f o r h l 8 h s t r c n 8 t h d c f o r o e d s t e e l b a r s a n d

rlres for concrete rcl'nlorcenent ('th!td revlsloa) "

( Page 4, cLausa 5.3, second, lhird and 'toutth

sentence) -

Subst t tu tc the fo l lon lng for thc ox ls t lng sentenccs:

'Dlnenslons o! coLlars shalL bc accotdtng to dcta l ls 8 lvenln TabLcs 1, 15 and 16. The re lnforccnent tor tbc co l lars shal lbc as g lvcn !n Table 15 and 16. Thc cnds o! co l lar rc ln force-nent shal . l have a. fu I I r lng at both ends. '

(Paga 7, Table 2) -

1 ) D c l e t c e o l ( 4 ) , ( 5 ) ' ( 6 ) a n d ( 1 0 )

2 ) S u b s t l t u t e ' 0 . 5 9 ' f o r ' 0 . 3 3 ' l n c o l ( 8 )

3 ) S u b s t l t u t e ' 0 . 1 6 ' f o r ' 0 . 1 0 ' a n d ' 0 . 1 8 ' f o r ' 0 . 1 2 ' l n

SI No I and 2 respect lve ly o! co l (9) _

4 ) S u b s t l t u t e ' 1 2 o r 8 + 8 ' f o r ' 8 + 8 ' l n S l N o 2 0 a n d 2 l o f

c o l ( 7 )

5 ) S u b s t t t u t e ' 2 . 5 n ' f o r ' 2 n ' l n N o t e 3 .

6 ) I n s e r t t h e f o l l o s l n g n e s N o t e :

'NOTE - Tota l nass of longl tudlnaL re lnforceDent shal l' be calcu lated by mul t tp ly lng the values g lven ln co lunn

E by th6 length of the p lpe and thon dcduct lng lor thec o v e r L e n g t h p r o v l d e d a t t h e . t s o e n d s . '

(Page 8, T. tb le 3) - ,

I ) S u b s t l t u t e ' 0 . 5 9 ' f o r ' 0 . 3 3 ' l n c o l ( 4 )

2 ) S u b s t l t u t e ' 0 . 1 6 ' f o r ' 0 . 1 5 ' l n S l N o 1 o f c o l ( 5 )

3 ) S u b s t l . t u L a ' 8 o r 6 + 6 ' f o r ' 6 + 6 ' i n S l N o 1 2 , 1 3 a n d 1 4o f c o l ( 3 )

4 ) S u b , S t l t u t e ' 2 . 5 m ' f o r ' 2 n ' l n N o c o 3

5) Delete 'Note 2 and renunber the subsequent Notos.

6) Delete 'and a mln lmum ceroent contenL of 400 kg,zmr 'f r o m N o t e 4 .

thc fo l lon lng na| | Notc:'lfoTE - Total Dass of Lon8ltudLnal. roLnfol.cooentbe calculatcd by nut t lplylni- l t i i

"- i" f r" j" 'gr vcn rnby thc tcnsth o!.tho prpe-ini t i" i ai i"Ji irg' for rhclcngth prov ldcd at the t ro cnds. .

(&Bn 9, lbblo� 4) - Inscrt tln loJ.loellg as Tab1c 4:

rrprs orr8ft5s.-'.':'tsi-t3i:i","$ii5i{itffgjiiiilti:l!,sisilfit.",",,( CJ tuscs S. l . l

NOttINAL BARREL SEINFORCTI'ENTSM.q!!t!, I{ALL LonrlttEr-iTfl----EiGal,DIAI 'ETER THICK- l . ld s tec l or H; ; ; : - 'oF PIPES NBSS fiard-Drafn J;;;.

shal lc o l , , lcol.cr

STRENGTH ?8S? REQUIREI,'8N?SFon InREEtla+BffRrNc rEsrProducc Load0 . 2 5 n nCrack

Stcc l

1 2 ) ( 3 ) ( 1 )rl. ln tg,/l lnca r

Nutlb€r notra2 5 62 5 62 5 63 0 63 0 63 0 64 0 8? 5 I7 5 87 5 I75 I85 6 or 6+685 6 or 6+6

Stccl

( 1 )lttD

8 01 0 0

2002252603 0 0

, t00,r505 0 06 0 07 9 0

( 5 ) . A rr.g)iino.' hN/lii.o. r,rulll","nc?rc Dctrc ,Dctrc

0 . 5 9 0 . 2 40 . 5 9 0 . 3 60 . 5 9 0 . 7 40 . 5 9 1 . 3 00 . 5 9 I . 6 40 . 5 9 r . 9 80 . 7 8 2 . 7 r0 . 7 8 3 . 1 40 . 7 8 3 . 6 20 . 7 8 3 . 8 80 . 7 8 5 . 9 62 . 3 1 9 . 6 33 . 1 4 1 a . 3 3

9 9 9 9 5 I o r 6 + 6 3 . , t 4 z t . z o. : 9 9 t o o 6 + 6 3 . 4 1 , i . 1 ,1 9 g g 1 r 5 8 + 8 6 . 0 4 3 5 . ; ;1 l 9 g 1 1 5 8 + 8 6 . 0 1 1 3 . i ;!?gg 720 8+8 6 . 04 d3 ;o il l g g 1 3 5 8 + 8 e . 3 6 i i " ; i1 9 9 9 1 4 0 1 2 + 1 2 s . 3 6 l o s : i t1999 r l0 n+ !z 14 .08 rso . r2?ggg r7o !2+ t2 14 .88 151 . t0??99 I E5 Tz . . tz r r . s6 red . g6tt33 2i2 i:"iil ll:Bi iiS:!;. NOTE I - Tho ac tua l ln tc rna l d laDc i .e r l sfac tu rc r and to lc rancc ls to bc app l lod ona l s o 0 . 3 . 2 )

5 9 . 3 8 9 . 16 6 . 3 9 9 . {7 2 . 6 1 0 8 . 96 0 . 4 1 2 0 . 68 E . 3 7 3 2 . 1

r 0 1 . 2 1 5 6 . 41 1 9 . 6 1 ? 9 . 51 3 5 . 3 2 0 3 . 01 3 5 . 3 2 0 3 . 01 4 2 . 2 2 1 3 . 31 5 5 . 0 2 3 2 . 57 8 8 . ? 2 5 0 . o

to bo declared by thc nanu-tho declared d lanetcr ( gee

2 2 . 12 2 . 12 3 . 32 1 . 62 5 . 2Z ) . D2 8 . 42 9 . 8' t t o? A O

1 0 . 04 6 . 35 2 . 2

3 3 . 1 5

3 1 . 9 53 6 . 93 ? . 83 8 . 2 53 9 . 64 4 . 75 0 . I5 5 . 36 t . 26 9 . a7 8 . 3

.__NOTE 2 - Thc longl tudlnal . re lntorccment i lven ln th ts tab lo ls va l ldI9 l p tpes up to 2.S n s l fcct tvc- Icngth io i - in iern. f

d ls of p lDe up toz.u t ln and 3 r c l fcct tvo lcncth lo i r , r gr r " . - j i i i . c . r Dlpcs.

*_ I IOTB 3.- .Concre lo for . p lpcs .bove 1g00 ram nonlnal d lametor shal laavo a ntn l . rur cor lp : lesstv l i t rengi t o i -a; i7" r ; a t 28 days.1

. : t . . l,.---\j:-.'."^;.jn ;

NOTE a - I ! D lLd l t cc l j . s used fc r sp l ra l reLn lo rceDcnt the ee l .ah tspcc l f l6d ln co l 5 sha l l bc lnc rc6scd by a facgor ,10 /125.

N o T E 5 - T o t a l n a s s o l l o n g l t u d l n a l r c l n l o r c c , D c n t s h a l l . b o c a l c u l -r tcd by nul t lp ly lne the values stven tn co l I by ihc t . " i i f , - " i ' i f r "p tpo and thcn dcduct lna for tho cover Lcr lgCh prov ldad at t f ,o i "o i ias. ' .

( Pag:e g, ?.tble 5) _

1 ) S u b s t i t u ! e ' 0 . 5 9 , f o r . 0 . 3 3 .

l n c o ] ( , t )

2 ) S u b s t l t u t e ' 0 . 1 6 ' f o r . 0 . 1 5 .

l n S l N o I o f c o l ( S )

3 ) S u b s t l t u t e ' 2 . 5 m ' f o r . Z

n . l n N o t c 4

4 ) I n s e r t t h o f o l ) . o n 1 n g n e e N o t e :' N ' ? E - T o t a l m a s s . o f l 0 n 8 r t u d 1 n a L r e l n f o r c c m e n t s h a l L- b e c a l c u l a r e d b y r n u l r i p l y i n s t ; ; - - ; ; r r . s c l v c n 1 n c o l 4 b yt h e l e n g t h o f t h e p l p e a n a I f , " n - d e J u c t , r n g f o r t h e c o v c r. cover Lengt ,h prov lded aL lhe t "o "nJ" . -

( P. tse 70, fab le 6) -

1 ) S u b s t l t u l e ' 0 . 5 9 ' f o r

2 ) S u b s t l t u t e ' 8 o r 6 + 6 -

c o l . ( 3 )

S u b 5 i l t u L e ' 2 . 5 n ' f o r

' 0 . 3 3 ' i n c o l ( 4 )

f o r ' 6 1 6 ' l n 5 1 N o 1 4 a n d 1 5 o f

' 2 n ' t n l l o t e 4

? l

4 ) f n s e r i t h e f o l l o s l n g n e H N o t e ;' N O T E - T o t a l m a s s , o f l o n g l t u d l n a l r e l n f o r c e a e n t s h a l lb e c . e l . c u l a t , e d b y m u l t i p l y r n g . t h g , i i u . . - i i " u n , r , c o t u n n 4b y i h e l e n g t h o f t h e p j p e a n d . t h e n a . J r . t i i g f o r t h e c o v e rl e n g t h p r o ' . ' l , l e , J a t r - h e t H r \ e n d s . .

( f ' . rA-c 11. T. tb le T) _

1 ) S u b s t l t u r e ' 0 . 5 9 , f o r . 0 . 3 3 . i n c o l ( 4 )

2 ) S u b s t - t t u r , e . g o r 6 + 6 . f o r . 6 1 6 .

l n S l N o t Z o f c o ] . ( 3 )3 ) S u b s t l t u t e ' ? , 5

m . f o r . ? m . l n N o t e 4

4 ) I n s e r t t h c f o l l o r j , n g n e s N o t e :

,r r.,iil:,;e'"i;, ;:i:,;f"l:l'i;:o'l:i,::"ti;:;,i;, ::i,iil;i;� i:lf;1.:'":n:.:,r";:i.,jfi; i"iIIir'1, ror tr,e covcr

(PaAe 73, Table g, Note 2) - Sub3r l tu te the foJ) .onl .ng fort h e e x j . s t l n g n o t c :

'NOTE 2 - The d lmenslons DSZ, DS3, LSp, fS, f , H, S,

HT and _. . r ( shal l conform io Lhe values g lven in th tst .ab le as . these are cr i . t ics l d l roenslons. Other d lnenslonsat 'e for gul ,dance only . The foJ. lov j .ng to l .erance3 shcl l applyo n t h e c r l t l c a l d l m e n s i o n s :

Dinenslot ts

n c , h c e

& LSP

; f5 and JY

l ( and 5

Hal f the to l . erance9 1 . v e n i n 7 . 2

T h e t o l e r a r r c e s s h a l l

on sal l th lckness

b e a s g l v e n b e l o r :

Tol .erances

The to ler .ences shal l be as g lven belor :

Chot.l TL>Ler- To)er- Toler-Dla- e.fJs.e err(te et cencter tor DS2 fol. DS3 for LSP

mm mn DD Dt!

1 1 + 2 ! 3 1 41 2 + 2 + 3 i 41 6 r 2 . 5 + 3 . 5 + 52 0 f 3 ! 4 r 5 . 52 ? r 3 . 5 + 4 . 5 + 62 5 r 4 + 5 + 7

T and HT Sane as that of ea l l . th lckness g lven ln7 . 2

Chor<lDlaneter

mm

l 11 2

16_2 0222 5

( P.rge 1 4 , Lrb.le 10 , Note 2)t h e e x l s t l n g N o t e :

Tol.evance Tofetancefov K for 5MM IDD

+ I t R

. 1 t s ,

+ 2 . 0 0+ 2 . 2 5+ 2 . 7 5! 3 . 2 5

- Subst i . tute

r n ? A

+ 0 . 7 5+ 1 ) ^+ 1 ( n

i r . 5 0+ 2 . 0 0 '

the fo l lowlng for

'NOTE 2 - The dlmensLons DS2, DS3, LSP, ?5, T, H, S, rY? anrl, ( shal ] corr form to the values g lvcn Ln th ls tab le as these arec r l t l c a l d I D e n J l o n s . . O t h e r d l D e n s l . o n s a r e f o r g A l d a n c e o n l y ,T h e f o l l o s j . n g t o l e r a n c e s s h a l l a p p l y o n t h e c r l t l c l l d l n e n s l o n s :

lli./rrel)si c).rl -s

DSz, p5:i& !:r r-

T and HT

fS and /Y

r( atrd .5

Dlnensiotts

LS A LSP

T h e L o l e r a n c e s

Chord Di.zne ter

Io / e,r'.rrtdc.s

' l ' h e t . o l e r s l l c e s s h a l I b e s s *,,.,,o.rNb-iiCho t',1 f(rj eJ'ar(:e Tol etance ?oJ el"artc'eL jane l:.t t f o t' DS! , fot DS3 , fot' LSP '

mm mn ?t

mm

l 1 ! - 2 ! 3 L 41 2 ! - 2 , ! - 3 | 41 6 ! - 2 . 5 t 3 . 5 + 5? 0 i - 3 ! . 4 r 5 . 52 2 t - 3 . 5 + 4 . 5 + 62 5 ! . 4 i 5 + 7

S a m e a s t h a L o f w a l - [ L h l t : k n e s s g l v e n l n 7 . 2

H a I f t h e t o l . e r a n c e o I r w a l l t h l c k n e s s g l v e nl t ) | . 4

mm

1 1' t 2

1 62 0

( P.rne 15, Iab je 11, Note 2) -

t h e e x l s t i n S n o t e :

'NOTE 2 - The d lmenslons LS' LSP' f , TS, H' L , f and bshal l conform to the values g lven ln th ls tab le as these arec r l t l c a l d i m e n s i o n s . O t h e r , d t m e n s l o n s a r e f o r g u l d a n c e o n l ' y .T h e f o l l o w l n g t o l e r a n c e s s h a I I a p p l y o n t h e c r l t l c a l d i n e n s i -

s h a l I b e a s g i ' v e n b e l o t . :

?o-lc'r'aJrce IoJer'.rr]c'efor K - .f'or - 5

mm mm

i 1 . 2 5 + 0 . 7 5+ L . 2 5 + 0 . 7 5L 2 . 0 O I L . 2 5+ 2 . ? 5 + 1 . 5 0 -

S u b s t t t u t e t h e f o l l o r l n g f o r

Tol .erances

l ? m m

Same as that of wal l th ickness g lven ln7 . 2

1{ and ?S Hal. fg lven

+ n A

L 1 m r n

L IDM

f o r 2 8

the to l . erancel n 7 . 2

on wal l . thLckness

DM

0 . 7 50 . 7 5r . 2 5

r . 5 0 '

mm and t 1 .5 ron for 35 mm

K irl;3i"1'"i:'r.'3.1',,';3l"rr'*l* i|i::r l n g ( ' h o r d d l a m e t e r .

( P a g e 1 6 , T . t b l e 7 2 , N o t e 2 ) - S u b s t l t u L e t h e f o l l o H l n g f o rt h e e x i s t l n g N o t e :

'NOTE 2 - The d lmenslons DSz, DS3, LSP, TS, ?, , S, HT and,( shal l conforrn to the values g iven ln t ;h ls t ,ab le as thesea r e c r l t l c a l d l m e n s l o n s . O t h e r d l m e n s i o n s a r e f o r g u l d a n c eo n 1 y . T h e f o l l o n l n g L o ] e r a n c e s s h a l l a p p l y o n t h e c r l t l c a ld i n e n s J o n s :

Dlne s lorr '

n q ? r r q ?

LSPChot:dDianeter for DSI for DSJ foz LSP

mm nm mE nn

Tc>.1 et'.tnc-es

T h e t o l e r a n c e s s h a l l b e a s g l v e n b e l o r :

7 ' a n d H T

TS and H

11 + 2 + 3 - tL 2 L 2 + 3 r1 4 + 2 ^ i ' r (

2 0 + 3 + 4 +2 2 + 3 . 5 + 4 . 5 +2 g + 4 + 5 I

S a m e : r g t h a t o f H a l l t , h l c k n e s s g l v e n 1 n 7 ,

H a l f t h e t o l e r a n c e o n s a l l t h i c k n e s s g ii n 7 . 2

44

5 . 5oI

2

ven

a n d 5 T h e t o l e r a n c e s s h a L l b e a s g i v e n b e l o r . , ;

Chord Di.aneter Tol.e2.ancc tot ?oLetance fot

mm

t l

l 6?,02?.

mm

+ | 2 \

+ 1 . 2 5+ 2 . 0 0+ t , \

+If

++

. ( P a g e 1 7 , T a b l e 1 3 , / / o t e 2 ) - S u b s t l t u t e t h ot h e . e x l s t l n g n o t 6 ;

' 'NOTE 2 - The diroenslons D53, DSs, LSP, TS, f, i l, S, ,YI andX shat l conforn to the values g lvcn 1n !h1s table aJ these crec r l t l c a l d l t n e n s l o n s . 0 t h e r d l m e n s l o n s a r o f o r g u J . d a n c e o n l y .The fo l los lna to l .ersnces shsl l apply on thc cr l t lc l l d l , !en-s l o n s :

Dlnenslons

DSz, DS3&, LSP

Tol, erances

T h e t o l e r a n c e s s h a l l b e a s g l v e n b e l o r ;

fo l lowl n8

ToJellzc.efor LSP

t0m

To l erancetor DS3

ID'O

+ ?

+ 3+ 3 . 5! 4! ' 1 . 5

Chord ?ol .eranceDlaneter for DS2

nm nn

r r + t

t 2 ! 2r A L o I

2 0 + 3C , r ' l (

2 5 . + 4

S a n e a s i h a L o f H a l l

H a l f t h e t o l e r a n c e o nL n 7 . 2

th i ,cknoss Slven ln

pa 1 l th l ckness

+ 4+ 4

+ R l

+ 6+ 7

7 . 2

g1v6n

T and HT

?S and H

r( and 5 The to leranees

Chord Dl ane ter

nnr

1 1L 21 62 0

s h a L l b e a s

Tol .cranceX

|!N

+ , . 2 5! ' 1 . 2 5+ 2 . 0 0+ 2 . 2 5

g l v e n b e l o s :

for T<>l.erance fot

tDm

r 0 . 7 5r n ? ii v r r v

+ t ? i

+ 1 . 5 0 '

/J.ii--.',

$i,!":,:

( Paz:e 19 ,tablc l , l :

\.

?abie l1) - Insert the fol lor tng nor ' t .b l ." at tcr

.TABL8 I5 DSSICN NBQOINEHENTS OF REINI'ORCEDCoLLAES trOn PIPBS Ot CLrSS XPz.

( C).ausc 5 .31

coIcEtrB

: . ,

NoMrlt^L J0lJ,$_ut!!!sJe!s_INTERNAL EID llln ttlnDIAIIETER CaulklnC Thlck- Lcn-0F PIPE Sgaco n.s5 8th

-_E!.MBe!!.E!r9-L o n f t t u d l n e l , H l l d S t c c I S p r l a ] l H a r d -

( 1 )al ! .

6 01 0 01 5 0200zz52503 0 03 5 0{ 0 0{ 5 05 0 06 0 07 0 08 0 09 0 0

1 0 0 0l r 0 01 2 0 01 { 0 01 6 0 0t E 0 020002200

NOTE Ispecl ! lod

( 2 )D E .

t ?

l ' l

t 3 - - -t ?

I A

l 6I A

t 9l q

l 9,t (l

t 9l 9l 9l 91 9t q

t 9l 9l 9t 9

! t ! ,

2 5? 5z5z5?525303232. l <

a 0a 04 55 0

6 0o 5

E O9 0

1 0 0

( { )

1 5 0i q n

r50t 5 01 5 0I < n

1 5 0

200200200200200200200200200200200200200200

liclsht( 6 )

kg pcrcol Isr

or Hard-dr len Stcc lItln .

d rann Stcc l

kg pcrco I Ia r

0 . 0 7o ; 0 80 . 1 00 . t 20 . 1 40 . 1 60 . 2 20 . 2 50 . 2 70 . 4 00 . 8 00 . 7 01 . 0 5r . 8 52 . 0 52 . 2 53 . 0 91 . t l5 . 0 86 . 5 59 . 0 01 2 . 1 5

thc HeISht

n o s .( 5 )

6 0 . 0 86 0 . 0 86 0 . 0 85 0 . 0 66 0 . 0 8' 6 0 . 0 E6 0 . 1 16 0 . l lE 0 . 1 1I 0 . 1 5t . | l <

0 0 . 1 5E O . 2 3I 0 . 2 3I 0 . 2 38 0 . 3 3E 0 . 3 30 0 . 3 3

t 2 0 . 5 01 2 o r E r 8 0 . 6 7l 2 o r 8 + 6 0 . 6 ?

l 2 + ! 2 : . � 0 0l z + L ? r . 0 0

- I ! n l ld s tec l i s uscd to r sPI ra I rc ln fo rcementIn co l 7 sha l l bc Incrcased b t a fac to r 140/125.

NoTE 2 - Sol t grade n l ld 3tce1 u l rc for sp l ra ls nav be used for 'co l lars of p l 'pcs o( . ln iernr l d laDeter up to 150 no only- by ' lncrcaslng{c laht by. ! t lcgor L lO/61.

NOTB 3 - In tarnal d taneter o! co l lar io su l t tho lc tualDl r r€r e l , tb l ln lDuD c lu lk lna space !s 8 lvcn ln co l 2 .

o !

t 0

NOI1 I NALI N T E R N A LDIAt tETERO F P I P E

R6OUIR6t lRNTS OF RSINFORCED COHCRETE COLLARS FORPIPES OF NPJ AND I IP ' I CLASS

. l C l , a u s e 5 . 3 )

!_o-L_t4g_p_\tlglLs_t!.Ns. REINFORCstlsrrrs' | t tn. t t jn. ;n. t ongt t r id- i i i lJ i l a-Fc' t spi iJI ' - t t ' r raC a u l k l n s T h i c k - L e n - o r H a r d - d r a e n S l e c l d r a s n S t e e l

Spacc n c s 5 s t h

m m . d ' m .

2 5 1 5 02 5 1 5 02 5 1 5 02 5 1 5 02 5 t 5 02 5 1 5 03 0 1 5 035 -- 20035 2003 5 200,f 0 2004 0 2 0 045 20050 20055 20060 20065 20075 20060 2009 0 ? 0 01 0 0 2 0 0110 200

lrJ n.

( 5 )

6

b

66A

86EIIII8E6t 2

, .2 or 8+A1 2 o r 6 + E

, 2 + 1 2t2+t2

Hc I Aht( 6 )

k g p e rc o l l a r

0 . 0 80 . 0 80 . 0 80 . 0 80 . 0 80 . 0 80 . r l

0 . 1 5

0 . t 50 . 2 30 . 2 30 . 2 3

0 . 3 30 . 3 30 . 5 00 . 6 70 . 6 ?r . 0 01 . 0 0

( 7 )k 8 p e rc o I I ! r

0 . 0 70 . 0 60 . 1 00 . l z0 . l 10 . 1 6o . ? 20 . { 00 . 5 00 . 6 00 . ? 0 .1 . 0 5! a t

2 . 0 5z . 2 53 . 0 9{ . l t5 . 0 66 : 5 59 . O O

1 2 . 1 51 3 . 3 0

o m . t D t l .

8 0 , 1 31 0 0 l 31 5 0 1 32 0 0 1 32 2 5 1 32 5 0 1 33 0 0 1 63 5 0 1 94 0 0 1 94 5 0 . l 95 0 0 1 96 0 0 1 97 0 0 1 98 0 0 1 99 0 0 1 9

1 0 0 0 l 9l t 0 0 1 91 2 0 0 1 91 4 0 0 1 91 6 0 0 1 91 8 0 0 1 92000 19

NOTE I - Col lars for s lzes 2200 on and abovc shal l bc oadc outof n l ld s tc . l p la te o! 6 mo th lckne3s, s tcc. l ' conlorElng Lo IS 226t1975r l th out i l .dc Pal 'n tcd.

NOTE 2 - I f o l ld s tce l . ts uscd tor sp l ra l re l 'n lorcement ' the t 'c lahgspacl , f lcd tn co l ? shal l be tncreased bt ! lactor '140/125'

NOTE 3 - Sol t grade tn l ld s teel t r l re for sp l ra ls nav be uscd forcol l .ars o! p lp.s of ln t . rna l d l 'aocter ut to 150 r ! t ! on ly by Increas-ln i xe lght ' . by r factor 140/84. '

( P a g : e . 2 0 , C l a u s c A ' 2 . 2 ) - D e I e L e a n d r e n u m b e r 6 ' 2 ' 3 a J 6 ' 2 ' 2

(Paae .20, Clause 6.3. L , F l rs t sentenc 'e)

l ) , Subi t l tu tc the fo l lon lng for the f l rs t scntcncc:'P lJ ; l havtng barre l thLckness 100 nm and above shaLl have

double ic ln forcemcnt cage and the amount of sp l ra l s teel ln the

outer iage shal l be ?5 percent of the mass of 3gl rs l r tee l lniho lnr r . t - . tgo, rh l ls t the toLal shal l conforro to the r€-qul rements sp ic t l led ' ln the re levant tab les of th ls s tandard '

I I

l:;:;;i;;i;il;,,iFil:;r.;l;,;.:,,,1ii'.,, ,,.r,,;,;;=;iii':il;.;l;il1,L=:.,"- il :

T h e n a 3 s o f l o n g l t u d i n a l s i n t h eshould be the sarEc, that i3 equal t ,og l tud lnals spcc l f ! .cd in thc re lcvant

2 ) I n s o r t t h c f o l l o r i n g N o t e b e l o u

\

outer cage . rnd lnncr <:agehal f the tot ,a l n lss of Lon-tables -

the r : l ause ;' N O T E - I t 1 s p r c f e r a b l e t h a t 3 l n g l e r e l n f o r c ' e m e n t .

cage should be locatcd nesr thc lnner sur face of thc p ipes l t h a d c q u r t c c l e a r c o v e r . '

i t( P s C e 2 9 , C J a u s e 6 . 3 . ? , , L s s t s e n t e c e l - S u b 3 t i t t l t , e t h c

f o l l o r l n S , f o r t h c l a s t 3 e n L e n c e :' D 1 a i o n a l r e l n f o r c e n a n L l s a p r o c e s s r e q t r l t ' e m e n t a n d i h a l l

n o t b e c o u n t c d r g a l n s t l o n g l l u d i n a l a n d s p l r a l r e l n f o r l ' e m e t r L . '

( P a t e 2 0 , C j a u s e 6 . 3 . 3 ) - D e l e t e

( P a A e 2 0 , C l a u s e 7 . 2 ) - D e l e t e ' o r s o c k e t ' l n 7 . 2 ( b ) . l n d

s u b s t l . t u t c t h c f o L l o i r l n g f o t 7 . 2 ( c ) :'c

) l{al I thl.ckness ;

1 ) U p t o a n d l n c l u d l n g 3 0 n m + 2 n- l m

2 ) O v e r 3 0 m m a n d u p t o a n d i n c l u d l n g + 3 m m5o nn - I 5mtn

3) Ovcr 50 mn and up to and lnc l .u t l lng + 4 nm- 65 mm - 'l nnl

4) Ovcr 65 rnro and up to lnd lnc l t ld lng + 5 mm

. 8 o m m - ' 1 i ' 5 m m

5 ) O v c r 8 0 m m i n d u p t o a n d ' i n c l u d i n g t 6 n m95 mro - 3 mn

6) Over 95 no + 7 nni- 3 . 5 m n

( P a A e 2 0 , C l . a u s e ? . l . L a s t s e n t c l c . t ) - S u b s t j t ' u t e L h ' l f o l -

Ioe lng for thc l ls t sent .nce:' F o r l c o l l a r

J o i n t e d P l D e s e f f e c t t v e l e n g t h s h a l l b e 2 m o r

2 . 5 n u p t o 2 5 0 l , n r n o r n l n a l d l a m e t e r p l p e s a n d 2 , 5 ' 3 0 ' 3 ' 5 o r

4 . 0 n f o a P l P c s a b o v e 2 5 0 n m n o m l n a l d l a n e i e r '

( P t c ; 2 f , s ' J a u s a 1 0 . 1 . 3 a n d ? a b l c 1 5 , - S u b s i l t u l e " l ' a b ] e

1 7 ' f o r ' T a b l e l 5 '

( P a g e 2 2 , C l a u s e : - O . 2 - 1 . 1 a n d 1 0 . 2 . 2 ) - S u b s t l t u i e ' T l b l c

1 7 ' f o r ' T a b l c l 5 ' - r ! ' l

(cBD 2)t 2

tht.d rl Sliro PrhlLla Pr..., O.r{ ltlr

Indian StandordSPECIFICATION FOR

PRECAST CONCRETE PIPESWITH AND WITHOUT REINFORCEMENT )

, ( Third Revision tS c c o n d R c p r i n r A U C U S T I 9 9 7

uDc 621.643.2 [ 666 s.t2 ]

l S 4 5 8 : 1 9 8 8

O Copyright l9B9

P . U . R E A U O F I N , ; I A N S T A N D A R D SM A N A K B H A V A N , g B A H

N E w D E L l i u r l S H A H z A F A R M A R G

ff\*1Pgi

c r 9 + ?May l9E9

, r t \ v-._f-

' 1 v - 1 . v vlS 3 .158 . I98t

_-.:Spccif icat ion for hydrophobic po tand {cmcnr ( /rr,ra t t t ton l -

rspeci6cation for 4l gridc ordinsry porl land ccrn.nr.--

rspcci6cation for hard-dra$n stccl $irc fabric forConclcla rcinforccmcnl (,c.o t r .r ir ioE ,.

- - , r S p i c i i c a r r o n f o r h i g h s t r c n g r h d c t o r m c d s l . c l h a r sa n o $ l r c s t o r c o n c r c r c r c i n f o r c c m l l f t t , d r . r i i i ; ; j . ' - '

I r; i1':: l !::.t,:\ i ror srrudural st'cl (st:rndi'd qualitv)

Indian StandardSPECIFICATION FOR

PRECAST CONCRETP PiPES( WITH AND WITHOUT NEiNECJNCEMENT )( Third Revisiort )O . F O R

ht"f,!.' Jlt'?n t#ard (-rlrird Rcvision ) was

f"{:Hilf.;d t.l'.,l;r"k"#ffi ;:t,:rB:,l"".ifo-vcd

by rhe civir enginecrin! D;isii;-

0.2 .Rcinforced ccment corjl"j:1.-#l*r ,",. r.j""T ,,;";t"L'3;igff :il1!ifi1il:,,x"'.::it;ixi;:F"tiTt:ii:i!:":i::e,;,"ili"H;i:.":i;'T,;Jj:t,:*h,.,l"r1ifi , : if : ?i" Iiff I9l * t ov;n! br "o n i"rc f ipli0.3 This slandard was tirst plJblished in l956 andsu-bscquent ly. revised- in I96l arid. I97f. Thc

-prescni

ff ;1L"J$'H:i, j;l",[Jf. i::.:,:5"",,T:::f i.l ;i,If':f fi : :,il:: J,;: J teeJ* or tr i,'i,nai'a.' rn-i[?l.f i"f.i:,Tl' ;;:x'';'x''""i';fl " : JTiff i;",3,"*,1ii*llifi;"ll:il%T?i:,, f.,n!l-'., o,

a) Allowing the use of"' l', ;:ri-;r;r; :":kr*ri':F l: _ii ;, . p l les ;

b) Allowing rhc use ofro rs : r566-reE2,,, ..rl;tr i"8:,;�,Tlr.'fi[g--iEii.ilJ-ru"ri""

for laying or conccrc ajpcs (ftrt

,oril,.or|tjo"""on to. tapid hnrd.ninS Porrt.rnd .€m.nr (lrri

E W O R D

co_nforming to - IS ; l7g6_ l9g5r and s t ruc tu ra lsrccr -bars conforming ro lS ::Ze-iCis:']ormanufaclurc of concreie pipcr;

c) plass NP4 pipes givcn in rbc carlicr standardnave bcen dcle(ed and clas! Np3 pipcs of it i:fjjer*sjlnggd have been r.-oiiig"utii

'"i.

["l_iTii.l,i'i:":;::J,',",:"til.".J;,hi:i';in""'".ffi ,'jl ":;1,,' ifT, #:1 Il:J"?l",iili:"J''fil'

" ;"":fi L'.;:.:f l3';r, ff :'ff i,i:lf;lluiHl liiii:i, li?,;t.i 0""x1" :"9 " ;r J;ireinforcement for differcnicrasscs ot orpes and

ix'"T ::ff i?Ji"%'i:il::. :l .,,x,,: NL'",1i3::"{i[,.'"Tlilili, i" "H.f[::'o.o in socket ofr'uu. "r--le.n"rn'.rruU,;#?Sir,iTi hh,

d) Inclusion of details for spigot and sockct endsfor att thc cJasses of pipei ind d.i"jts- ; i ;;h'rypqJotnts lbr t ic non-pressurepipcs;

e) Inclusion of f igures i l lusrrating some tyDrcalarrangements of reinforccmcnt jn socket:- '

f) Deletion.of sand. bearing tcst and bursting tcstrrom lhts- standald. Bursting test bas bccnrcptaced by splitt ing tensilc slreng(h test ofconcrelc cylinders for prcssurc prpcs;

g) Modi6cario,n in thc lcnglh of pipes allowinrInc .manutacturer to declarc thc effcctrvitcngrh whrch shall bc bcrween 1.0 and 4.0 m;

h) Modification in djfcrent dcsign rcqurrementsof the pipes;

j) Inctusion- of larger diameter pipes for allcrasscs ot prpcs except for class Npl and pl:

I S : 4 5 8 - 1 9 8 8

&) Inclusion of a clausc on rcpair of pipes; and

m) Modification in sampling and inspection ofPrpes.

0.3.2 In _ order lo acconmodatc the existingmoulds.$jd by rhe manufacturers for manufacturin!c lass NP3 p ipes g iven in rhe car l ie r s tandard , th io rameters o t c lass NP3 and Np4 p ipes in th isr.cvision harc bccn gilcn as nominal intcrnaio r !mc lc rs . thc Jc tua l in te rna l d iameters o f thesepipes are, thcrcforc, ro be declarcd by the manu.taclurcr!. Howevcr, the ntrnufacluicrs shouldgradua l ly change the i r mou lds ls i t has been des i redtha t a f i c r 1995, rhese nomina l in te rna l d iameters

0.,1 For the purpose of deciding whethcr a partit

1 . SCOPE

I.l This standard covers the reouirements for rein-forced and urreinforced prcca;t cemcnt concreteplpes, ot Doth pressure and non-pressure varietiesuseo tor water mains, sewers, culverts and irrigation.

1.2 Prestrcsscd concrete pipes and pipcs wjrh noo-cu.cutar sectron are not covercd by this standard.

2. TERMINOLOCY

2.0 For the.purpose.of this standard, the followingdehortrons shall apply.

2.1 lVorking Pressure - lt is thc maximunl sus_tarneqrnternal prcssure exciuding abnormal condi_uons. such as- surge ( water hammer ), to which theprperne may be subjected when rn use.

.?i,S. t,," _f"tl Pressu.re - It is the pressure (o be

1?P,1,:"- J9 the pipeline or secrions ' rherco f, afrer

rayrng, ro test lts strength and q,arenightness.

"-ry-olT; Tlr.. sitc tcsr prcssurc ro bc imposcd wil ll":.-19. b" d-crcrmincd whcn pjacinS orAers.fo, pipciaJlo h- | | rngs. In gcncral , th is pr ;ssur. shoulC nor b i icsstna-n. t_h.c maximurh Djpcl incs_opcrat in8 prcssure plus the

ifif i'tff;,1"",'f,',:ii;!rc hrt i; !o cas; sbourd'cxccrd

2.3 Hydrostrtic Tcsl pressure - lt rs the maximumprcssure which lhc pipc can u,irhsti J u.irhout anvlcaxagc whcn .lestcd for hydrostatic pr"s"ur" , iaccordance w i lh rh is s randardand lS : j i 97_19E5 ' .

2.4 Surge ( \\ 'ater Hammer ) prcssurc _ lt is rheIl.,f-".: ^*lrl.h rs produced by, a change of ve/oc,ryor rne.movtn€ streartr and beconres maxrmum when:l:r:,r^s_a suddcn stoFpage wtrich nray be caused by

l["r, l i .r,"t of a vatve or by shutling down a pump

3. CLASSIFICATION

1ll,,Fl. tJ," purpose of rbis standard, concrcre pipcssnafl te classified as under.

rcquirement - of this standard is cornplied'withj

f inal value, obsen'ed or calculatcd, cxpressinfrcsult of a tcst, shallbc roundcd ofl in accordlw i rh IS :2-1960 ' . The number o fs ign i f i can t p lrc ta incd in thc rounded o f f va luc shou ld bc thcq las that of thc spccificd valuc in lhis standard- |--[iilliiliinoins

orT nlmerical ralucs ( ,""ir.a iI

I!

Class Description Conditions lI,hlNonully lJ\

NPI Unrcinforced con- For drainasc Icrcle non.pressurc irrigation usi, {prpes ground or in sh|

trerches INP2 Reinforced concretc. For drainaee I

Jight-duty, non-pres- irriga tion u-se,lsure pipes culrcrts cad

tighr rramc INP3 . Reinforced concrcte, For drainagc I

mcdium-duty, oon- irrigatioh uselpressure pipes cuiverls cad

medium traffic INP4 Rcinforced 'concrete, For drainage Ineavy-Cuty, non- trf lgatron use,r' pressure pipes culvera car,

, hcavy tramc, i

( l.0.!

interndiamcthc cxshouldgraduaatfcr Idiamct

( P ,thc wo

(P,'Tvw .( P '

^ . / as, railway load

Pl Reil lforced concrete For usc on e/prdsure pipcs tested mains, the si-t lto h hydrostalic pres- pressurc not cljsure o f 0 2 MPa ine tuo- th i rds i

. ( 20 m head ) hy-drosraric rcslsure I

P2 Reinforced concrcle For ur" on oulpressure pipes tested rnains, the i i{lo a hydrostatic pres- pressurc not 0fsure o f 0 4 Mpa inc ha i f o f thc I( 40 m held ) stir ic tesr oresJ

P3 Reinforced concrere Ipressure prpcs tcsted do Ito a hydrostalic pres- iru." or o o ilio i( 6 0 m h e a d )

I, ,_NorE

- Thc rrscs ,atc only by way of rccomll]91s_a!, a,gcncral Suidancc and rhc cxrcl usaioc occrocd by thc cn8inccr- in-char8c.

i3.2 Unrcinforced and reinforccd "on"r.t" noJsu re p rpes sha l l be capab le o f w i t hs tand ine ln r f ssu rc o t 0 0? Mpc ( 7 n ) hcad ) .

- l

it

( C E D :

rMctbods of tesl /or concrete pjpcs ( l . s t r . r ts ion ) .

l iamclerstd suchfacturing

i i nnificant

lcr arplicd

ld bc thcrndard.

ie Gnthe

€ not

:s ( r . r iJ .d

Citionsvnally U.

drainagcron use,l o r i nc5

dtd gei oos'affic

drainagcon usc

n tramc

Jrainagcon

t raffic,way

AMENDMENT NO. 1 JANUARY I99ITO

IS 458:1988 SPECIFICATION FOR PRECASTCONCRETE PIPES ( WITH AND WITHOIJT

REINFORCEMENT )

( Third Revision )' . ( Page 2, clausc 0.1.2 ) - Inscrt thc following ocw clausc aftcr 0.3.2:

. '0,3.3

Pccaurc of-increasc in- bancl wall thickncss of class Np2 pipco ofintcrnsl diamctcr 600 Em to I 200 mm, U"ttr norrio"t aoai"tu"i ini.rn"id.i8mcrcR havc bccr rpccifcd for class Np2 pip; in;;d;iio "cconmoOat"tnc crlsuDg moutos. As it has bccn dcsircd that all non-orcssurc oiD€sshould.havc ffcxiblc rubbcr rinSjoinrs afrcr t9qs, tic manui"iii,i." ,n'"fiiiglld,ull,L "_1!C.: lh.c'l tno}t-dJ suirabtc_for msnufacrurinS ruch pipcs andaucr lyy) -noEtoal Intcrnal diaoctcrs sbould bc trcalcd ai rctual intcrnaldiamctcrs.'

( Page j, clausc 1.3.2,||nc 3 ) - Inscrt thc words .nol lcss than, gftcrtbc words 'shall bc'.

._ (Page 3,-:!otl!9^+q ),:- Subs.irutc ,Typc 2 of IS 5382: t9t5' for'Typc I A of IS 5382 : 1967',( Pagc i,foot-note iYo. 4 ) - Inscrt ,( sccond revision )' at thc cnd.

r-thirdsta t i c

: o nlhe

i o f . . ;( c E D 2 )

:andif ig

'rl tl,act

prtnlE at slmco P-;mln, Fr6s;, oilhlJndla

I S : 4 5 8 . 1 9 8 8

{. MATERIAIS,l.l_ For prccast concrete pipes, materials complyingwith tbc rcquirements givcn i^ 4.2to 4.e s[ail beuscd.

4.2 Ccmenl - Ccmcnt used for thc manufacturc ofunrcinforctd and rcinforced concrete pipes shallconforn to IS :269-1976' or lS : 455- t9?6, orIS : 1489-1976! or lS ; 8041-1978r or IS : 8043-19785or IS : 8l l2-! 976'.

Nol f -Thc usc o f pozzo lana as an admix tuaa toPor t land ccmcnt i s no t permi l tcd . Un lcss o therw iscspccificd by rhc purchascr, rhc typc of ccmcnl ro bcuscd is l c f r lo rhc d isc rc t ion o f rhc manufac turer .

4,3 Aggregstes - Aggrcgates uscd for the manufac-turc of unreinforccd and rcinforced concretc DiDessha l l con form to lS : 183-1970r . The. max i 'mumsizc of aggrcgatc should not exceed onc third thethickncss of the pipe or 20 mm, rvhichever is smallcr.

4.4 Rcinforcemcnt - Rcinforccment uscd for themanufacture of the reinforced concrete pipcs sball be .mild stecl Grade I or medium tensiie

- steel bars.

conforming to IS : 432 ( Part t )-1982r or hard-draw-n stccl wire conforming to lS :432 ( parr 2 Fl9E2'or structural stcel ( standard ouality ) barsconforming to lS :226-197510. Whcri soft-gradewirc is used, it shall conform lo IS : 280-19?8u.-

Ng18-[fir9 fabric conforrninS ro IS : 1566-t9B2r'o-r-d.fomcd bars and wircs coniorming to tS I t?E6-l9t5rr may also bc uscd.

4.5 Coocrcie or Morlar - Concrete used for the 45.4 The manufacturcr shal.l eive a certificarcmanufacturc of unreinforced and reinforccd concrete indicating the quantity of ce.ini in ihe concretcpipcs aod collars shall conform to lS :456-197gr.. mix.

. 4.5.1 Thc concrete for non-prcssljre pipes shallnave a mrnlmum cement content of 360 kg/,nB and aminimum comprcssivc strength of 20 N/-mmt ar 2goa,s . I l mor la r i s used, i r sha l l havc a min imumccment content of 450 kg/m3 and a comprcssiwstrcnglh not less rhan 20 N/mm, at 28 day;. Thcconcre(e for prcssure pipes shall have a minimumccmcnt conlent ol- 450 kg/m! and a minimum com-prcssivc str€ngrh of 25 N/mm, at 28 days. If mortar isused, it shall have a minimum cement contenl of!!O- fgim] and a comprcssive srrcngrh not less than25 NTmm! ar 28 days . -

Wherc thc process of manufacture is such that thcstrcngth of concrcte or mortar in thc pipe differsfrom tltr l givcn by tcsts on cubes, tte tiu6 may Ucrclaled by a suitable convcrsion factor, tf

-the

pu.rchaser requires cvidcnce of this faclor, he shallask for-it bcfore piacing tlte order. The convcrsionlactor lor 28 days comprcssive strength for spun con-crcrc may bc taken as 1 25 in the absence of anvdatd .

-4.5,2 For pressure pipes splitt ing .te-nsil; strengthol concrete cylinders at 28 days, when testcd inaccordance with lS : 5816-970t, shall be 2'5 N/mmr.

4.5.3 Compressive srrength tests shall bc conductedon 15cm cubes in accordance with thc rclevantrcquirements of IS : 456-1978'� and IS : 516-1959!.

I

rspccif icat ion for ordinary .and low hcat port landcafiant ( ahird tevltion l.

tSpccification for portland slag ccmcnt ehtd rcyision\.

, .";T;") ' : t t t 'o" for Port land pozzolana ccmenr (rcond

,.,.1?,p;"il""t,ot for .apid hardcning porrlard ccmcnr (l'rr,

,.";:li;'):"tt ion fo' hvd roph obic Port lan d ccme nt (./t'rt

, - .Spccincation for 43 Sradc ordinary porr land cament

-_.tspccif icat ion for coarsc 6nd nnc aggrcgalcs fromnafural solrcas for concrctc ( reaord rcr, i t ioi \ . -

. - tSpccif icat ion for Ini ld srccl and mcdium rcnsi lc stccloa rs ano ha rd .d rawn s t ce l w i r cs f o r conc re t c r c i n fo r ce -

l i l ; I i l , I M i l d s r cc t ahd mcd ium rens r te s ree t ba rs ( r h l d

.-_1S?:"_in..1rign. for mild stcct and nlcdrunl t .nsi lc steeloa rs ano i a rd -d rawn s l cc l $ i r cs f o r conc ra t c r . r n fo r cc -mcn r : pa r r 2 Ha rd -d rawn s ree l w i . c ( r t , , , t , e , i r i o i j . " - '

, . t .Spcc i6ca l i on f o r s t r l l c t u ra l s t ce l ( s l ando rd qua l i t y )\ r l th reri t ior l .._-rrspcctincation foa mild stccl wirc foa gencri lrng ptrposat ( thitd rcvirion l.-

rrsp.cif icat- ioD for hard.drawn stacl t \ i rcconcrctc rcinforccmant < r?co d re|tsion \.

*i:io"!"liq?':""i".:?: i:f1,".,,".."*:H f;,1;ii:1,,::Tl. * "( rr;".0;;lr l;:" '"c for pl 'r in and re inforccd concrcrc

4.6 Rubber Ring - Rubber ring chords used in pipcjoints shall conform to Type lA ofIS :5382-19674.

5. DESIGN

5.1 Geoeral - Reinforced concrete pipcs eitb€rspun or cast shall be designed such that tbc maximumtensile stress in the circumfcrential steel duc to sDeci-fied hydrostatic tcst pressure do€s not exceed thel im i t o f 125 N/mm' in the case o f mi ld s tee l rods ,140 N/mm! in tbc case of hard-drawn steel rvires andhigh strength defornred steel baff and wircs.

5.1.1 The barrel thickness shall be such that undcrthe specificd hydrostatic test pressurc, rhe maximumlenslle slress in concrete, when considercd as cffectiveto take stress along with the tensile reinforccment,shall not cxcced 2 N/rnm, but the wall thickncssshall be not less than those qivcn in Tablcs I to ?subjcct ro ?.2(c).

cnginacr-. t Mcr hod of lest for spl i t r ing tc nsi lc strcngt h of concrctc

fabfic for cYl Ino€rs.tCodc of Fracticc for plnin and rcinforccd concrclc

( rhird revition ,.tMclhods ot tesl for strength of concrcre..Speci6cation for rubbcr scal ing r inSs for gas mains,

watcr marns anq sewers.

I S : 4 5 8 . 1 9 8 8

5.t-.2 Pipcs. of lcngth above 3 m and up to 4 mmay bc supplicd by agr€cment bctwcen thc'user andthc -supplicr and for such pipcs, the quantity ofrcinforccment shall bc modifi id'as below;

-

Lon g it udino I re inlo r ccment _ Reinforced ccmentconcrcrc prpcs of lcngrhs up to 4 nt may be acccp-tcd rt lhc longitud'nal rcinforccmcnt is incrcascdrn. proportlon to the square of lcngth comparedwith-what is used for 3 m length ai spccifi id inTablcs 2 to 7.

For ' I ' ( in mct re ) lenSth o f p ipe , long i tud ina lt ,

rcinforccmcnt shall bc a:.r timcs thc longitudinalreinforcement uscd for 3 m long pipes.

5.1.3 Longitudinal reinforcemcnt shall be orovidedto cnsur.e rig-idityand corrccr location ofcagei ( grids )Iongitudinally and ro limit the cllecis of-traniversecrack ing. Min imum lonsi tud inal re inforcement shal lbe as given in Tabte 2 rJ7.

5.2 R;ioforc€E€nt - The reinforcement in the rein-forced concretc pipe shait extend throughout thelength of the pipCaird shatl be so designed tiat it maybe readily placed and maintained to

-designed shapi

and.in the proper position within the -pipe

mouidduring the manufacturinq Drocess. The circumferentialand longitudinal reinforiiment shall be adeouare tosatisfy the requirements specified under 5,1.

'

5.2.t The pitch of circumferential reinforcementshall bc not more than the following:

a) 200 mm for pipes of nominal inrernal diametcr80 to 150 mm.

b) 150 mm for pipes of hominal internal diamerer200 to 350 mm. and

c) 100 mm for pipes of nominal internal diameter400 mm and above.

. The pitch shall also be not less than the maximurnsrz€ ot aggregate plus tbe diameter of tbe reinfor-Cement bar Used.

5.2.2 The quantity and disposition of steel in pipesmay bc dccidcd by mutual agrecment bctwcen thepurchaser and the supplicr; however, it shall bcprovcd by calculations and tcsts that thc quality ofthe pipcs conforms to all the rcquircmenti spcCificdin lhe standard. In lhe abscnce of calculations andtcsls, thc reinforccment given in Tables 2 to 7 shall beused as minimum rcinforcemen t.

5.2.3 If so rrquircd by the purchaser, lhc manu-fac turc r sha l l g ive I cer i i l i ca te ind ica l ing thc dc ta i l sre la t rng to qua l i t y , quan l i l y and d ispcrs ion o f s tcc lin (hc pipcs as well as the clear covcr to the steelprovidcd in the pipe.

5.3 lnds df Pipcs - The ends of concre(e pipes shaltbc suitable for Rush ( sce Fig. I ), collar ( sce Fig.2 ),socket and spigot, roll on joints or confrned grsketJoints, Dimensions of collars shall bc according todetails givcn in Tables t and 2. The reinforccmlntfor the collars shall bc as given in Table 2. The cndsof collar reinforcement shall have a full r ing at bothends and the longitudinal reinforcemcnt shall bcpropor(ional to the lengrh of the collar. Dimcnsionsofspigot and socket foi unreinforcbd concrerc pipcsshall be as givcn in Table 8. Dimensions of sii iotand socket for rubbcr ring roll on jointed pipes itr-altbe as given in Tables 9 to I3. Reinforcement insocket ofrubber ring jointed pipes shall be as giveirin Tab lc I4 .

_ NoTE t - EaDds, junctions and spccials for concrctcprpcs covcrcal undcr lhis standard shall conform to lhcrcquir.rncnts ofIS : 7322..198Jr.

NoTE 2 - All thc joints in prcssurc pipes shall bcflexible r!bbcr ring joints by thc cnd of thc ycar 1990.

NorE 3 - Somc lypical arrangemcnts of rcinfor-c . rncn t in sockc t a rc i l l us t rq t .d in F ig ,3 and 4 .

5,3.1 The pipe joints shall be capable of with-standing the sama prcssures as the pipe.

Norc - Th/requircmcnt of 5.3.1 doesnot implythatthc collar shall also bc tcstcd for thc tcst pressurc forpipcs spccifi4C in 3,1 ,3.2 and9.2.

rspccif icat ion for spccials for stecl cyl indcr r. inforccdcoocrctc pipcs ( r'tut r.r.riior ).

pcsthebcol

ficdandl b c

nu-a i l !t ce lteel

ra l l2 ) ,i ke tI r orcntndsothbc

ons

igotha l l

! Dt e l l

lhc

l b c)0. -

I for-

, i th-

I ha l! foa

)rccd

0.30

1A Intefnal Flush Joints

C AULKINO, S

L€NGI H OF JOIN T

P A C E ( l 0 m m I

CE[ lENT MORT ARC AULK IN G

I P E

' 6

IS : 4 5 E . ! 9 t 8

- .No rE - No , o f Z ba rs : M in imum ha l f t hc nu rhba ro r r o t | g uo lna l s .

Max imum cqua l t o Dumb. r o f l ong i t ud ina l s .34 Socket Cage Connocled to Ba(ol Cage by Means

of Z Bars

" : .

0 . r0

3B Sockot^Cs0o Long;tudinals-Suirabty Bent foruonnec l i ng t o Ba r r6 l Cage

3C Cage Mado of Continuous Longitudinats

Flc. 3 Typrcer AnneNceveNrs orr(EINFoRCEMENT tN SocKET Fok

SING LE CacE

"Norc - No. of Z bars : Mi! imum hatf thc numbcro t t onSr tuo tDa l s .

Maximum cqual to numbar oi longitudinals.

44 Sockel C.go-Connsctod to Barrl l Cag6 byMeaos ol Z Esrs

'18 Extornat Flush Joints

t - wal l lhiclDcss

, = 0.002 of iDtc.Dal diamctcr or 2 mm, Mi,r - iocludcd anglc not morc tha! 25"

tD = intcrnal diamatcr

Frc. I DerAtLs on Ftusu Jorxrs

C O L L A R 4B Sockot C6go Lonoitudinats Suirably Bent forConn6ctinO to Br.rol Co96

4C Cag6 Msd6 ot Continuous Longitudinrls

F rc . 4 Typ tc^L ARRaNcEnENTS oFRETNToRcEMENT rN SocKET FoR

Dourr,r Cr.ce ( Usr SurraoreTYPE oF sPAcTRs )

1 2 m m

CAULKING SPAC

Frc. 2 Cor-lr.x. JolNr ( RlcrD )

I S : 4 5 8 - 1 9 8 8

TABLE T DEsrcN ^M) rr^rtRlg,I?31iB3K3Ry?u:""f.13NcxErE prpEs or cl^ss Npr _

IN'rriNrLDtrrcrqot Pttcs

E^RR!L

THtcKNEss

(2)

mm

2 5

(Claa!.t 5.1.1,5.3 ond 7.t I

CoLr-rl' DtM!NsloNs

tx'J,"J ,ffiff#_Tff...?L* ;l+ilfrf.tr;

( l )

MinirnuinC5 ulking

Jpacc

(t)

rnm

l 3

, 3

t 3

t 3

t 3

t 3

, t 6

t 6

t 6

l 9

MiDimumThickn.s5

(4)

mm

, <

2 5

3 0

(s) (6)

kl. l / l incar mclrc

mln

t0

100

, 5 0

200

250

300

100

,t50

tDm

t 5 0

t J 0

1 5 0

t 5 0

1 5 0

r 5 0

t 5 0

t 5 0

200

t 5 ' 3

t 5 . l

t 5 . 3

r 6 '4

16.4

| 6.4

11.6 '

I r .4

I E 8

21.9

:

I S : 4 5 E . 1 9 t 8

oF CLASS Nfz -TABLE 2 DESIGN AND STRENCTH TEST REQUIREMENTS OFREINFORCED CONCNETE, LIGHT.DUTY, NON.PRESSURE PTPES

( C I a u t . t 5 ,1 .1 , 5 ,1 .2 , 5 .1 ,3 , 5 ,2 ,2 , 5 .3 , 6 .3 .2 and 1 .1 ,

INTET.NAL BAItrLDTAMITER WALLor PrPB Tntgr-

--,\--\ Nl&tNomi- Aclualnal

Cot lel Dnrrr.rstoxl- ^ -

MiDi- MiDi MiDi-rlum mum lnurn

Crulk. Thick- Lctr.

REtNFotcEMENTs

rn8

LoD8it!dinal,Mild Slc. l orHatd.Dra*n

Slccla---,\------1

Spirals, Hard-Draw!St.cl

ST|rNgtH TllrREeutrtlcNtt

lor THr,rt EDo!BlA.uNo TErr

Lord to Ull imalcProduca Load0'25 mmCrack

( l r ) ( t 2 )

kN/l inc.r tN/l in.!rmatrc malrc

l 0 ' 0 , t 5 ' 0E

10 05 l 5 ' 0E

10 79 t 6 ' | 9

I t ' 77 17 '65

t2'26 I E'39

t2 ' s5 tE ' t l

l3 '4t 20'22

l a'46 ..-.2r'69t5 '15 23 ' rEl a'l t 24'27

l7't6 25'74t 8't8 2A't2.20 '35 30 '512t'57 32'3622'E0 34'2021.27 le'it25.50 3S:iJ26'91 40'46

2e.42 4{' i332 12 , f t ' t8

3 r'06 52'59

t1 '16 56 '64

a0 2 t 50'32

nct! Slb Forpipc col lar

( t 0 )(e)(8)(7)(5)(5)(4)

mm

(t)(2)( t )

Min kallitr.tr kgllincar kg/No.DUmbCr mclrc mctrc

8 0 E 0t 0 0 , 0 0t 5 0 t 5 0200 200225 225250 250

-- 300 3003 5 0 t 5 0400 400450 450500 500600 590700 6E0t00.. 790900 t90

I 000 990

I 100 I 090

| 200 I 190

6 0 3 r 0 1 06 0 ' 3 1 0 1 26 .0 'J3 0 '245 0 l 3 0 ' 3 E

6 0 3 I 0 4 66 0 3 J 0 5 t

t 0 '78 0 79

E 0 ? E l ' 1 3t 0 '7 t l ' 498 o 7E l '97t 0'7t 2'46

t 0 '7 t 3 '41

8 t '22 4'60I t ' 2 2 6 7 18 t '22 g:2s

E t '76 10 69t 1 76 12 '748 r '76 l t ' 41

12 2'64 20'57

8+t 3'52 25'408+t 3 '52 32 '71

l 2+ | 2 5 '28 45 ' t4

t2+ t2 5 2E 56 '37

2 52 52 52 5

3 51 a

4 5

5 0

6065'10

t 3

l 3. - |

l 6l 6l 6t 9l 9t 9t 9t 9t 9l 9t 9t 9

l 9l 9t 9l 9l 9

25

25

3 5

' 4 0

404 5

5 5605 5

75t090

100I l 0

mm

1 5 0t 5 0t 5 01 5 01 5 01 5 01 5 01 5 0t 5 0200200200200200200200200200

200200200200200

0 l 30 1 40 ' t 9

0'240 '260 7 10'790 E 8l '48l ' 6 1l ' 8 9

2'7 |

3 6 44 0 64'52

5 5 E7'20

r l ' l lt 4 0 0I ? 0 0

t 400 l 400 1s

I 600 1 .600 t0

t t00 I 800 90

2 000 2 000 1002 200 2 200 u0

NorE t - I f rni ld 3t.cl i ! l lscd for 3piml .cinforccmcDl, thc wcight sp.ci6cd uldcr col 9 and l0 shrl l bc | tclcrs.dto 1101125.

Nor€ 2 - Soft g.adc mitd st.cl wir. fo. spi.als may bc u3cd fo.pipci of inI. .n. l diamctc.r 80mm, lmtnrbrnd150 mm only. by incrcasiog wciShl lo 140/t4.

NJrr 3 - Tbr lonSiludinrl rcinforc.mcnt Sivcn iD thit t tblc i3 Yal id. for pipca up to 2 |n . f i .cl ivc lcnl ib for

iDtchEl diamataa of pipc up to 250 mm and uP to I m cffacl ivc lcDSln lor Drgncr cramclcr prpct '

I S : 4 5 8 . 1 9 8 8

TABLE 3 o"'"^.*o'#,'J36l"Tf+:i,a,gffi XBH'":iSSSf; tBIB$Fi_gg *^*

(Clarsct S.l . l , S. i .2, 5.t .3, S-2.2, 6.3.2 and 7.1 )

NP3 *

Lo..a9 jo plodu_c€ UIri;;;;;

tr#,fti[l ffi ,#i"ffi;H"?h,,tt9itt;.t6?9"T' ulti'nare Loa

(l) e) (j) () (5)o'tD rDm Mh *"urn.". , ,',

t (6) g)

o#'f.. *r11'J,',:. *"4,1;:. *|,4 j:-.", LN/ri'car60 2s

trctrc

r o o 2 5 6 o 3 l o ' r 5

' 5 o 2 s 6 o 3 r ; ; ;

r r ' o o t e ' s o

2oo 30 6 0 33 ; ; ;

13 oo re ro

225 30 6 o '3r ; ; ;

t3 '7o zo 'ss

25o 30 6 0 33 ; ; ;

14-50 2r7s

3oo 40 6 o'33 ;';;

r4'Eo 22'20

35o 7s E o '78 ; ; ;

15 oo 22 '50

.roo 1s a o'7E ; ;;

I r'ro 23'25

::: 7s : ;.;: l:l iiii :::::99 7t E e. ,B ; ; ;

2t 's6 3234

i:: ff :i: ;:ij ,iii i|ii 1i::, jii r:: iii ii jliji i::: :::,i : : : : : : 6+6 2.66 ; ;" , ;

4 ' ; " 64.6;

i:tr i:: iil :::: i::i i::i: :i:ij 3 S

8 +

;# ::: ,*j ;:; :::: ;':' ,;;:;; # : : :

, 2+ t2 e . i 6 ; ; ; ; 76 .64 ' r+e5

; ; ; ; ; ; l : : : : : e r6 ; , ; ;

E622 ' 2s 33

2 4oo 2oo : : : : : e ' r6 , ; ; ; ; e5 ' t o t 43 '7o;,;; :i: ":+,,: l::: ,,:ii: :ii.l ::::i

124 '54 r E6. t ,'J]f,rot;rllo":i"t;,11:??r:'"9j:T:J."i j: ro b. dccrarcd bv rhc rnaor:racrurcr a'd rb. rolc,:ncc i! ro bc appricd."Iiff,3;Sii,iilf !lliT,";:::i;lil,il,lT,,f:i,l,ffiJl"i:jL"l,*:l:,:il.",i;j.rt ro! lhc ncrt hi8be. s,ze'",i,""ThJl:J:?Tl;".,1;i:.il[TTTt ",;",TjL,:f.:i,g],"T,*Jr. irrrrrrr,*.1o0,"1..u"",,". ,co8rh ror,r\iffi.;cdtl:,l""#: B',r":;*"h:"lT#H.J,jbt g;ifi",", *.,*1". . ,,nia,urh .orhp.cssirc srrcosrh or

Nois 5 - I fal i ld st lcl is us.d for !pi4l lcinforccrncDt, tha eci8ht spccir icd jr-

\

Nt o l

Nr50

. l l

; 5 5 : i ; n 3 3 e > N I N l{|Sl__-]-|-t.---.jP-o---<l

3 e e 3 x 3 i i , 3 -

lA'Lr, sprcoT ^ND SOa*aror*r*ron@

t Ctou,., ,,a qnd 7,2 \

I

l i

l r l d ih .n , ionr in 6 i l t io .u . t .

r".r D.t Ds/ D.r, oJJt ( x

( 3 ) O ) ( r o ) ( r r ) ( r D o l ) { 1 . ) ( r r ) ( r 6 ) ( r 7 ) ( l s ) { t 9 ) ( t o ) c t ) ( r t )tr)

* Pr.r Rufuri RnrbirD r . n r t i R r r c R r N . :

, _ C H o r o I x E r ! ^ Lu r r M r r r r D r ^ n r r r r

0 )

3 0 l l

1 5 0 l t

2 2 5 t l

1 5 0 t 2

, 000 22

I 200 2 !I 400 22r 600 ? tI t 0 0 2 5

2 2 c 0 2 5

l 0 : l t 1 2 , 7 0 8l : 0 l J t 2 . 5 7 0 8l 7 o t 5 l t . l 7 0 37 t t t , l 2 . J 7 0 32 ! 5 1 5 t l . , 7 0 82 r o t 5 1 2 . , ? o !

l 0 l 5 t 1 9160 t2 . t1

71 I] 2 ) 7

4 J O 1 5 4 0 1 7 9J o o 3 J 1 0 1 1 s5 9 0 l o 2 1 2

'10 4 ,1 lO2 127 3 9 1 5 4 9 t 2 8 I I

M t 3930 J l 60 t , t I l7

t 0 7 0 6 0 6 J r 4 t t 7r r 7 0 6 5 7 t t 4 t t 7| 3 ? 0 1 5 a 1 t 4 t l ?l 160 NO 3? t5 t 10I t f lo 90 t ' t6 , 20l 9 l 5 t o o t o t t 6 5 2 02 l l 0 t r O l 1 9 ! 6 j t O

Nd! | - Corn$s to b. rount.d ofi,

?8 14 I J . t 6 .5 91 842t !4 ' J .5 6 .5 9 ' 3423 la I 5 '5 6 ,5 95 8428 14 I 5 ,5 6 . t 9J s423 t4 I 5 .1 6 . , 9 ' s423 3{ I 5 .5 6 .5 9 j 84l l t ? : t 6 7 f i 1 9 2l t t 7 3 6 7 l o 9 9 6

9 6l t j 7 ' 6 , l l 2 l o 4J t t 1 3 6 7 t l 2 t o 14 2 4 a 6 9 9 . 5 t 3 2 t o 61 2 . A 6 9 9 . ' , t 2 t 0 65 2 6 t 6 l t t r , s t 6 2 t t 7t 2 6 t . 6 r r l l _ 5 1 6 5 t l 15 7 6 1 3 , 2 t t . , t 6 9 t 3 75 1 5 7 8 1 2 I t , 5 t 7 t t a 31 1 6 1 3 t 2 t l , J l ? l t 6 t5 1 6 1 8 t 2 t 3 . J t 7 9 I S 46 1 1 a 8 t 5 l J 2 0 ' l 9 J61 7a 3 l , 15 7 to 2216 1 1 a 8 t , t 5 7 1 , 7 1 161 7A 8 tJ t5 220 264

1 4 j 0 7 J - 5 t 9 . 9 I I 5 , '1 4 5 0 ) 5 . 5 1 9 5 I I 5 , Jl 4 5 0 7 i . 5 t 9 , 5 I t 5 . 53 4 5 0 ? t l 1 9 , I I J . 53 4 t o ? , . , t 9 . , I I 5 , J1 4 5 0 1 5 5 I 9 . t I | 5 . J3 7 5 5 7 . 1 6 1 4 I t 6l 9 5 t 7 . 1 6 1 ( ) I t 6

4 2 5 s 7 . 5 6 7 9 t 1 64 1 5 5 1 , 5 6 Z 9 I t 547 12 to 1 . : ,12 .5

2 2 a47 72 to 1 .5 12 ,5 2 2 A52 90 t2 .5 9 . t t r . , 2 2 10

2 r o2 l l

6 9 9 9 t 4 t o 5 4 s . 5 7 2 l l7 t 9 9 t a r 0 . 5 , 4 . 5 2 7 t l3 6 9 9 t 4 l o t 6 4 ' 2 2 u9 l I 0 o t J t . ! 6 3 1 , . ' 2 . ' t 2l 0 l t o o l J t ! ? 3 2 . 5 2 , 5 t zI l l f 0 0 l J l ? 3 ! 2 . 5 2 ' 5 t 7f z t t 0 0 t 5 t , 9 e 2 . ' 2 . 5 1 2

( 6 )

i. l

'fl

l

. , Tot.roa..,

s.;:a.rr.h!'i ot w.ll rnjckn.$ iiv.n in 7,2.H.tf rh. rot.r.ncc on *.u.hjcln.lr 3iv.n in 7.2.10 25nn fo rd im. r t ion j up i6 :nd i . . rud in ! tohh. rnd+0.J tuE ro. dih.$aoB.bovc lO hn, t+1.

E

( Cla.t., t,i 6.t 7.2,

All din.!rionr i! Dilti6.rrd,a

l-. c./}\::',6,).?'i\<,v

'\y/)'

o,"il,. XT,l. *1,'.f-

r:l,",lf- ;ffii* r rs D.' p.'/ Dsz(f) () (r) (4) rrl rir

LI dr LsP "P s E x P Rl

j j :: l : l ., ,r, ;; 'r '

:ul (e) (to or) (r2) o!) (r ') ( ' � t .6) (,7) (, ') .e) ( 'o) (r) (zr)

l ; ; l i ; ; ; : ; i l : l : : , , ' . , ' ; : ; ( ' / ) ( ' r ) ( , . ) ( '5) ( '6) ( r7) orr ( 'e) ( 'o) ( ' r ) (22

r r 0 , r r yo ; ; i ; . : : : | ' , 3 . 3 , ; ^ : . ' : : : : l i l o ' r ' , r ' 5 , , 5 r

# I # * u ' i , i f t i f f r f i l i l f l i r f r i l l; i i : i l l r : i l I 1 i + i ; ' j ' * ' , I i i ' : i j , j ' ; " l r l , , ' ,- ' J 0 1 6 r r ' , t " , : l : l : 1 6 4 ! ! r o ; ; ; . ; : l : j : l l r o r 6 1 2 2 ai . . , 6 , , . , , , i i i i i ! ; i r ; I f i i l i i ' i ! 1 1 l i i : i

" "

: i i ; : i l : : ; ; r ; : f # ; l , : i : i : I i f i ; : , # f i i , i i "$* : ; i ; t i * ,# f i i l i l ' ' i i t i i i i i i i i i i l i , * i i i i i i i i l ;N4 | * cqndt to b. roond.d on _- '-" "u ru'J 90 t2 lo 90 z 2 ft

*i::.:il1"*:il:l:"1.";",,:.1;.";fi,..J,.::'i,:?,#:,,:,::.;*:: siv.n rurhi3 t.br. .. ,h.!.,,Gcrnic.r.rihc.!io.,. ol||.r din..!,o,, ...for

Tot.rar.2,SrD..i th.t ole.ll rt,ict!.r, riv., i.,.r.E.lfuh. tot.r.n.. or r.[ thicrn.$ !ir.! in,.r-+ 0 2 J h E f o r d j m o t i o r r ! p r o . n d j n . t u d r . 3 I O n h , . h d* u ) h d t o r d i 6 . n r i o n r . h o v . t 0 n n .

t/|llt ' sPtcor AND SO-

)::1.':l ,:'.-t

3,'"*i?llll dle...io.r i! dilli6.l!.r

i

reutr sftGOT AND socl(fT DIiIENSIONS Oi Np, ANO Npt CLASS pIpES FROM I 000 TO 1 660 oe DIl|Mfff" f *US;;ffi;;;;;;;;i

lct.u.t S.t .,.I tJ\

lll.lio.urtor i!.it!ttD.rr.r.

, FUSoER a tNC\

r_______r___1

/ ' i ': l ' ' : l '\.

3(r.,P,l')ii\

' : - . - ' l . ,

TrlLA ll sPlcor AND socrE DrMENstoNs o! Npr AND Npa "t a"" *o"" "*ot t oonffi(c t u . t 5 .3 an l 1 .1 ,

All dio..tidi i! otttlo.tror.

i:

Prr! R!.n.r RuD.rDrr,|nr *rNo Rtxo

.r c*orD lirrrr^LDrr!ftr Dra.rr

(r) (2) o) (1)

t 000 20 9to I I t| !o0 20 l 00 l 5I 200 20 | 0 r5 t2oI 400 2 t | 213 t3 tI 60() 25 I aas lao

- l r o o , 2 J t 6 2 o , J 0" 2 o o o 2 , r o l ? o2 200 2t | 99t r8J2 aoo 25 2 t30 2oot 600 2l , 160 i t5

Nd | -Cot...r ro b. rdnd.d oll.

(r) (9)

l ! n al ! l l al a l l a1 6 l l a

t 6 l l ' lt 5 l t a1 6 t l a1 6 l r l1 6 l l a

(u) (12) (D)

21 3 ' 422 8 , ' 4 22E 19 :r4 t3t a7.5 JOl J 42 .5 J035 a2 . j l Jt3 42-5 6Ja5 az.t 17'535 12.t !0a5 al.t 87.5

(1 . )

I

05) (16)

, I 1 0 29 I 202I I to1

lo t J20

l0 I 9 lor0 I troto 2 165t 0 2 5 3 0

N oll 2 - Th. dih.ntiont t, ls. ,l t, { ..d ! rhrll .on to.o to lh. v u.r tlv.! in rllt rlbb $ th6. ..G c.iriqt di6.ndoB, Olh.r d i6.!3ion! .r. tor suid.n4o!ly. Tt. lollowi.r i ol.!.r.cr .Mll .pply oa th. criricrl dio.rriodl

'rs as

(l) (6)

Jt - - l l , lt l r t a60. , I la6 7 5 t l l1 t t r t a1 7 . 5 | | al?.J I t49J a

t o l 5 t r al t o l l a

(r0)

,,4

(7)

20202020

25

7 5

T

Tot..u..t

a.D. ., rnrt olwrll thictnqt tiv.ri. Z_t.llrll tt.lol. !c.r o! s.ll lhi.t!.$ tiv.n i.?.t.

B

';r,;,.:;*.-..-**-"-;;("iii"r"-ilon]o-rn,,

;

l r r lf : l ' ) 1

t ' . : :6 t

I

' . . n c d r oe o o i . , , , . ; : :

' " 6 0 r o r lr o o u . , , , , : o ; u ;

' " " 6 0 r o r l1 2 t t 6 6 t t t l

\ u r , I { , { ' . . , t r , . r , , r . n , , ! ! , , t o , r

rr!) (rJ) ( lr , l {17) (rs) ( lo) (t( ,) {J) (22)

: ] : l , 0 ? 5 ' r e . 5 | , , . ,F.] t , t \o 1 1.5 I9.5

r . r 1 4 i o j , ; , ; ; ; r ' r

o / r ' 5 5 0 , i . ; : : . : . : ' 5 r

e 1 3 t s t o 1 : . . : 1 . : I ' t t

, : l i ' , ' . ' - , I ; ; ; ; ; : j ; ;; i : : i : : t : 1 l : ' , 6

o t J 5 , . ; ; : ; : , 6

r r i 6 J r , ; ; ; ; ; i ] II 7 0 6 9 J 5 1 ' 6 o o ,r 35 s2 i r r o ; . . l : . . I | 6t 9 , t , t t , O , ; ; : : : ' 32 2 5 r o o * ; ; t ; ; ; ; . i :

'

:1: l l1 , ; ; ; ; ; ; ; ; l i : ; :r o ) t z 4 9 9 t 4 t o . , 8 9 . ' 2 2 t r

l 9 - 5 |1 9 . 5 t1 9 5 t2 4 J - I

2 4 5 I: a J I

I

I

I t : t o

,,; 'J:;:;;,,11';,LI,i l t l l ' l : i ,":J.l:::; i i i ; ; l i . l i l i . :: l l ::: l#.:T.;:1"-"ivcnin ,his ,rb,. ,! ,h.sc arc .,,, ic!,dim.n!io.5. o,h.rdimcn,ions a,cro.

Ar t r th . ro tc i rc r d w. I rh i . !n r$ g iv .n jn 7 .2 .

l : : ,_11 i . ' I *_ ' - , "p ro end incrud ins ro nm, ,nd

\ Tol.rar..,s rh . . r rh ! t 6 lw. l t rh ic rn .$ s ivcn in? .2 .

a o l D n t o r d i n . n ! i o n , r b o v . , O , n n .

Pr! lur.r RorED|r[d Rre R,s t

, cnorD tmrM!DMrrr DhEr

(D C) (J) (,{)

,. all 13 sproor aND socr"" ot"^"ron" oiffi(ctaq.t ,.t dd 12,

All diE.!rio!t i! etui6.rq..

D' DSI DS.' D.'J A !JD .r

(5) (6) O) . (3) ( r ) , . ( lo) ( l l ) 02) ( t , ( r4) 0J) (16) o7) or) (le) co) (rr) (22,lo

t t 0

230100

a0o

t l

t l

t l

t l1 l

t 6

t02 25 t1 .5 r0 8 23 Ja 3 5 'Jt 2 0 2 5 3 l . J t o 3 2 ! l a 3 J _ '1 7 0 ] t ! 2 . 1 7 0 8 2 8 ! . ! 5 . 1M !5 a5 Bt I I l l ! . t J 5 .17 t t l r a t 3 ! t r ! t !a J 6 , !21s ! r a t ! l l l 38 !a t 6 . ,lao .J !o t0 t2 a2- 31 t . -

6aoo 51 75 tO 12 ,a2 '6 6 7a r o 6 0 3 0 9 0 1 2 4 : 1 6 6 1t15 70 9J 90 12 a2 '6 65?0 7J t00 to !2 42 t6 6 16 8 0 9 0 I 2 0 t 2 0 t 6 5 6 . - a ! 3 r or o r r o t t a o t 2 0 t 6 1 6 a ! 3t l i r 2 0 1 6 0 l t o 2 0 1 o 6 0 t o t r

5 0 ? 5 t 1 9 , 5 1 1 3 . ,5 0 7 5 J t r , t t l 5 . jr 0 ? 5 5 l 9 . t I I i . 5t 0 . 7 5 5 1 9 . t I t J . 'J0 7 t5 79 .5 1 t 5 .55 0 1 J 5 2 9 . 5 t l J . lt 5 ? r 6 3 9 t 1 6, r 7 5 6 a 9 t t 65 J 7 . ! 6 5 a l l 6t r 5 7 J 6 6 a l l 65 t 7 5 6 6 9 l t 672 l0 73 32 .5 2 2 S12 tO 7 . t 97 .5 2 2 I9 0 t 2 5 t 5 t l o s 7 2 r o

6 5 9 5 3 a t 16 1 9 5 ! a 3 45. t 95 84 !a6 5 l : 0 l t 5 4 6 . 56 5 r 2 o t l J a 6 . 56 5 1 2 0 l l J 4 6 . J7 t l ' 1 5 0 6 2? l4 r 190t l to 200 827 160 2 , tO 977 l6 t 250 lo29 5 190 275 t2 '9 5 200 t20 ra l12 2ao l6 t 164

Nd | - Co.!.r, ro b. tdrld.d otrN@ 2-Tt' di''ltit" ?.t f' E, s. H7 t^6 K th.ll co'fod to rh. v.tu.r rlv.! tr rhrr r.br. n rhs. r. qiricrt din.nrio.r. oih.r dihcnrioBr.rc ro(|{l.tr6 o.lr. ':h. tolloli.r tol.r.Dc.r th.I.erl, or rh..riri.rt di@ntionr:

fot.r.ac.,Srh..r lhrt ot*.tt rhicknc$ siv.i h 7.2.llrlfrh. ral.r.Dc. o. e.!l rhick,..! rircn in,.1.to.r5 66 tor dao.ltioo, uo ro rtrd irctu<tirr to 6m, .nd+el hh lor <li6.D!io.s.6ov. to om.

'l:n"-./z I S ; 4 5 8 . t 9 8 8

TABLE 11 WEIGHT OF SPIRALS (rorxriidi,rirTa"fiiF$%'Rf tY[:I3?"-]iJ":,ffJf roFR/R

JlJlETN LDIAT'{ETERoF Pr?Et(nm)

( t )

80

t 0 0

t J 0

200225250

300

400 -

4 5 0 . . i

. soo ; ,. 600 -' ? o o i , i i : ,

soo." '

900l 0 o oI t 0 01 2 0 0I 400I 6 0 0t 8002 0002 200

(2)

0'08

0-09

0 1 2

0 t 4o l t0 t 50 4 50 5 1

0 '56

0 '6 l0 6 8 .

' 0 'E l0 '92 " i

l 1 4 ,

! ' 5 0t ' 9 12 ' 3 42 '80

3'825.64

I t ' 7 8t 2 8 8

( Cloutc 5.3 )NP4

Cress

(1)' 0

0 8

0 0 9

0 . t 2

0 2 |0 2 60 . 3 1

0.5 3o 6 40 ? l

0 ' ;6l ' 0 8

3 0 24'676 '0 3

P2CLess

(6)

0 0 E

0 0 90 ' t 2

0 2 10 2 60 '3 r

0 '5 3o 740 9 9r . t l

| . ( 7

2 8 3 . . - .3 i 9 6 r .6 '2 88'29l ' 2 9

NP2CL^ss

NP]Cr ss

(])

0 '08

0 0 9

0 ' , 2

o l 40 ' 1 50 1 6

0 '4 50 6 4

o 1 |

0'7 60 '8 ?t 0 02 ' t 62'874 0 6

P IC!Asi

P3CL^s!

(7)

o .0 E0 0 9o ' l t

0 ' t 5

0 '4 30 '5 |0 '84

t'21t '66

2'a54 '7 46'79 .

9'99

(5)

0 0 8

0 0 90 1 2

o t 40 ' 1 50 ' 1 6

0 '4 50 5 10 5 6

0 6 30 6 81 5 2t 7 92 'O42'63

4 '0E

4'eg

Nors I - LonSitudinal rcinforccmcnl shal l bc proport ioDal to lhc lcn8th ot sockct cs8c as Bivcn in Tablcs 2 to 7.NorE 2 - I f mild sl.cl is used for spiral rcinforccmcht, rhc aci8ht spcci6cd abovc shal l b€ incrcascd to l4ol12j.

5.4 Corer. - The minimum clear covcr for reinforce_ment In prpes and collars shall bc as givcn bclow:

NoTE-An ctrcct ivc mcans shal l bc providcd forrnaintaihing thc rcinforccm.nt in posit ion and foiansurrnS-corrcct covcr duriDS marufacturc of thc uDir.lflc"ci:-Lqt l!l!

p!,rposc sha

bc of rusrproof mrrcrirlor ot srcct ptolcctcd agaihsl cottosron,

6. MANUFACTURE

MinimumClear Coyer

mm

a) Barrel thicknessi) Up to and including 25 mm2) Ovcr 25 mm and uD to and

including 30 mm '

3) Ovcr 30 mm and uD to andincluding 75 mm

4) Over 75 mmAl spigot stepsAt cnd of longirudinsls

6.1 Geoeral - The mcthods of manufacturQ shall bcsuch rhat rhe form and dimensions of thc fnishcd

6 pipe are accurare within the l imits specified in thiia standard.. The surfaccs and cdgcs of ihc pipes shil l" Dc wetr ochncd and truc, and lhcir cnds shall be

square wi(h thc longitudinal axis.l0 6,2 Concrete Mixiag - Concrete shall bc mixed in

.amcchanical mixer-

6.2,1 Mixing shall be continucd until thcrc is alnrlorm distribution of thc materials and tbe massis ".:iform in colour and consistcncy, but in no cascshall thc mixing be done for less thai iwo minutci.

--b)

t 5

J

L

t 9

Y

IS : 458 - 1988 !,,fi,rA'alcr-ccmcnt

ratio shall bc lcss than 0.5.

#"t"";::riJi:t conform to the requirements of rhis .

,,j "ffi u l*$,:,l;Tf{,f, :i",j' j;: ??j:i ?,?T;7. DIi\tENSIOn-S

ffi ;{t'if 1$1 ;# ri: ;**F *,p..in.a in iu ir"I','jjl'i' jii';,':ffi iijt:n"?;inform rhc pu;"t;;.* ;"f,;; ;#;,

;ilril::{i;1i1,"i,i.i,iffi #:i,;.:**i"{,x'ti'#'u r ' I r r r uD to 25O h - - ^ - ; - , . r ' :2'5, 3 0.-.j5-;;';.; *"'i.i:' '-,:11'€lcr prpcs andno, in"i'a;lo i.,"i"r.

- v r! ror prpes abovc 250 mm

l"tH'"n:ii:i :li"'":,'l:j'Jifl:,:,,i'*ar rhickncas and

.t?H fr iliii:i,],,ffi ru;ltt*fi m

**#*;s*s16**lii;i:Nihifld .,,",il3#rtil;1u,,,',*,*ilffi 1,":.ffi Ti.,J, i il-:,,,r,.,.n ff .:, r;

i #*[diiffii'""a::r,ffiI il,'5',",,'tffi l$ffi,ili $l+tr

m*fff**,:**,1'm1..iii",,",-"'; :llf#.ff i."Tilrlll,,: J.H :::6.4 Curing

$i,,.i'.'sfr d';j:ft#f*',"[;.1'","i,,,,i,":$lJ'j',"r'"x"{;**:*r{'*ff*ffidiilt"ti.ff#.kr,i-,,...,**if:tlffi

lr

3 .

i,

3;1;l?i:;:"*" - rhe rorlo*,ng toleranccs shar bc

Dimensions

a) Overall lcogth

b) Internal diameter of pipes

)ncludiog

mm andincluding

mm andrncluding

+7 mm

* 1 0 m m4) Ovcr I 200 mm

c) Wall rhickncss:l ) U p t o a n d

30 mmincluding +2 mm

l) Up ro and300 mm

2) Ovet 300up to 3hd600 mm'

3) ovcr leooup to aDdI 200 mm

Tolerances

+l perccnt ofstandard lcngth

*3 mm

t 5 m m

: z) !_t91 :Q mm and up ro :13 Eo,ano rncluding 50 nirn

3) O_ver 50 mm and up ro :!4 .Emand Inc luding 65 mru4)

9" : t 0 l mm and up ro * 5 mmand /nc luding 60 mn)i ) Over 8q mm and up ro *6 mmand rnc luding 95 n im6) Over 95 mm + 7 mm

2\l

IS: 458 - 19requirements of this

, at his option, com_4.1 and 6.4.2 as lon!:d .

ctcr, wall thickncss,)rpes, thc minimumI rcquircmcnts for3 .1 ) , sha l l be asmanufncturer shall

t r rc tength o f sp igo ts tha t hc i s ab lc to'Iccttve lcngth shalllamctcr prpcs andcs abovc 250 mm

:r, \r 'al, thickncas andI hrn rhosc spcciticdagrccmcnt bclwccn

such casc , thc dcs i rnrsc I

.a l l inc lude t l t

rlerances sball bc

Tolerances

:t l perc.nt ofstandard lcngth

*3 mm l

. - l ] 9 I ; I n casc o [ p i pcs w i t h f i e r i b l c r ubbc r r i nel9 l n t l , l h " l o t c rancc on rh i c l ncss ' l ca r t hc c ;ds ; , r ?,""11i,',Li'"T'iii:,i;I:":i:',!f iTrili'"/; j+i'r,:li

8. \I ORf,MANSHIP AND FINTSH

8.1 Finish - Pipcs shall bc straight and frec frorucracxs cxccp-t lhat crazc cracks may bc pcrmittcd.,,-l:.:n9, 9r rhc pipcs sha

bc squarc with rheirlgnSrtudtnal axis so that whcn placed- in a srraishtrrnc.ro lhc lre-nch, no op€ning bctwcen cnds in coniactsna/r.cxccccl J mm in pipcs up to 600 mm diametcr

l,J,ii,lll" ,. and 6 mm in pipcs targcr rhan 600 mm

. 8r1,1 The outside and inside surfaces ofthc oiocssna|| Dc smoo(h, dcnse and hard, and shall not be:9?f:9 yrth ccmenr wash or othcr prepararionujl iess olherwrsc agrced (o betwcen thc puichiscr andrnc manulacturer or the supplicr. For' bcttcr bond.tnncr Eurtacc of thc collar may bc finished rough,

. 8.1.2 Thc- pipcs shal, bc frcc from dcfccrs resulrine

H||}Jll;tn"t' t"oing of tbc assrcsatc, mixing oi

8.13 Pipcs shall bc frcc from local dcnls or bulscsSrcatcr thrn 3 0 mm in dcprh and cxtending ovir'. a

lej:3,lr,tJr?l-0,*"ion grcarcr rhan twicc rhc tbick-

^.t^.-l:i, Piryt.q"y h rcpaired, if ncccssary, bccauscot accrd.ental injury during manufacturc oi handlineanq snalr be acccptcd if in thc opinion of the ourlcnascr,. thc repairs arc sound

' and aporopria'tclv

nnrshcd and cured, and tf ic repaircd. pipi 'conform-sto thc rcquircmctrts of this spccificatron.E.2 Derirllor froDr S,rright - The deviation fromstrargh.t In any pipe throughout its cffcctiyc lcnplh.tcsrco by rDg.ans ofa rigid srraight cdgc parallel- toahc Jongitudinal axis oirhc pipc-sha

i'ot 'cxci.J,

fora|l 'oramete$, 3 mm for cvcry mctrc run.

p.cssurc I Jce 3.1 ,. tsorperccnt of thc pipcs shalllcst prcssurc,

non-prcssurc DiDcs.bc tostcd for hidiosiar

9.2. Thc spccimens of pipes sclccted in accordanrwith 9.1 and subjecrcd'rd thc following rcsrs in i igrvcn sequcncc shall wjthltand thc design loads:a) l )9 {osrar tc rcs t , as descr ibc<! in lS : 359.

| 985 ' :

b) Thre€-edgc bcaring test as dcscribed iIS : 3597- 1985 ' : and

c) i&sffption

rcst, as describcd in IS:359i

^,?:11-.Th: manufacrurer shall rcgularly carry oua osorpt ro n -lcsts on spccimens corrcsponding tb thfrpc manulacturcd and shall provide sufficient orooIo urc purchascr_lhat rhe pipcs supplred satisfy th,attsorptron-test. If, howevcr, thc purchaser disircro nave absorptton tcst carrjcd out on any samplcthc same may be donc on rnutuolly agrced tcrms.

9.2.2 The absorption tesr wbcn conductcd iraccordance with lhc mcthod dcscribed in 6 6tIS : 3597-1985', shalt sarisfy rhc following requiri-ments:: aj Absorption in tbc first lO minutes shall not

excecd 2'5 percent of the dry mass, andb) Total absorption at thc cnd of 24 hours shall

lot exc€ed 6'5 percent of thc dry mass.

IO. SAMPLING AND INSPECTION

I0.l Scde of Sarnpling

-10.1.1 Lor - In any, consignmcnt, all the pjpesot same class, samc sizc and belcnging to the samcmix ofconcrete shall bc grouped Iogether to consti-tute a lot.

10.1.2 For ascertaining the conformity of thematerial lo thc rcquiremcnts of this specification,samples shall be tcsled from each lot sepirateiy.

'

I0.I.3 The number ofpipcs lo bc selected fromthe iot shall depcnd on the sizc ofrhc lo! and shallbc according to Table 15.

TABLE 15 SCALE OF SAMPLINC AND PERMISSIBLE- NUMBER OF DEFECTIVES

Fon RteutrEMErriUNDER 7 ND t

P.rrn iss ib lcNuf ibcr ofDcfcct ivcs

( l )

*5 mm

:t7 mm

t l^ -nrn

t2 mm

t3 mm

14 mm

:5 mm

:6 nlm

:7 mm

No. or PrpesIN THE LoT

( l )Up ro 505 t t o t oo

I0l to 30O301 (o 50o501 and abovc

Srurlr SrzaFoR TEsrsUNDER 9.2

( ExcLUDrNoUt TrtlatE

Lo^D TEsr )(4)

9. TESTS

9,.l.Test Speciu"lc - Alt pipcs for tesring purposessnat| -De sctected 8t random from thc slock of thcmanufacturcr and shall bc such as would not othcr-wise bc rcjected undcr this standard,

- 9.1,1 During manufacturc, tests on concrctc shallbc car cd our as detailed in IS : 456-t97gr. Themanufacturcr shall supply, whcn required to do ;;D, thc purchascr or his rcprcscntative, lhc results ofcomprcssive Icsts of concretc cubes ( scc 4.5.1 ) andspJit tcnsile tcsls of concretc cylindcrs ( tr, {.S.i jmaoe_lrom thc concrctc uscd for thc pipcs. Thcmanufacturcr shall supply cylinders or cubcj for tesipurposcs requircd by rhc purchascr, and suchcytrnders or cubes shall wilhstand tbc tcsts prcscri-9cd lq 4.-5.1 and 4.5.2. Evcry prcssurc pipe itralt betcsted by thc manufacturcr foi

' thc hydioltatic tcst

'1

I O

0I

J

SamplcS i zc

(:)E

:03250

_ .rcodc of practlcca,ntt. l t .vat lon ).

for plain and rcinforced concrc(crMcthods of tcsts for concratc pipas ( l t t t r .r l t ion ),

10.2 Nurnber of Tcsts ard Crilerh for Cooformity

10.2.1 All the pincs selccled according to I0.I.3shall be inspcctcd for dimcnsional rcquiremcntslsee 7 ), f inish ( see 8.1 ) and dcviation fromstraiSht ( rcc 8.2 ). A pipc fail ing to satisfy onc orrno-rc .of thcsc rcquircmcnts shall be considered asdclccl rvc.

I0.2.1.1 Thc lot shall bc dcclared as conformingto thcse reauirements if thc number of defectivesfound in the!arnnlc docs not excred the number ofdcfectivcs givcn in col 3 of Table 15.

10.2.2 Tha lot havirg found satisfactory shall bcfurther subjcctcd to thc'tests given undcr 9.2 exceptull imale load rest. For this purpose, the number ofpipes givcn in col4 of Table l5 shall be seiectcd fromthe lot. These pipes shall be selecrcd from those tharhavc satisfied the reouiremcnrs eivcn in 10.2.1. Forull imate load lest, the number o'f pipes to be checkedshall be according lo mutual aercCment betwcen thepurchaser and tie manufactuicr. Howevcr. ult imateload lest shali not be done for a lo! size of 20 pipesor less.

10.2.2.1 'f lrc lot shall be dcclared as confo'

to thc requircmcnts of this specification if t l ino failure undcr 10.2.2.

I T . MARKNG

Il.1 The follo*ing inlormation shall bc cimarkcd on cacb pipc:

a) Namc of manufacturer or his rcgistcred tmark or both,

b) Class rnd size of pipc, and

c) Datc of manufacture.

Thc abovc information shall bc clcarly rnon outside only for pipcs up to and including 3l'internal diameter, and both outsidc snd insidapipes above 350 mm internal diameter. ;

I l . l . l Each pipe may also bc marked witlS tandard Mark .

NorE - Thc usc of the Slandard M6rk is goby thc p rov is ions o f thcBurcau o f lnd ianSt . rAct, 1986 and thc Rulcs and RcSulations rnad.l

. undcr, Thc Slandard Mark on producls cova,an lndian Standard conrcys lhc essuratcc Ih,

. bavc b.cn produccd ro comply u i lh Ih. rcquir t "- of lhat standard uhdcr a $cl l d. f incd syst .m of i . '

. t ion, tcst ing and qual i ty conlro l s ,h ich is dcviq. :'supcrv iscd by BIS and op.ra lcd by thc prol , '

S r a n d a r d m a r k c d D r o d u c t s a t € a l s o c o n l i n icheckcd by BIS for Conforr i l i ly to that standard. .fur thcr safesuard- Dctai ls of condi t ions uDder fa l iccncc f -or lhc usc of thc Slandard Nlark [ . ]grar lcd to manufacturcrs or ptoduccrs may bc obfrom lha Bureau of lndian Slandatds.

I S : 4 5 8 . 1

random. ln ordcrscleclion. proccdurcsbc followcd-

bc sclcctcdofto ensure lhc randomnc5s

g i r c n i n I S : 4 9 0 5 - 1 9 6 8 r m a y

rMcrhods of random sampling.

t-

22

Bureru of Indien Stendards

BIS is a statutory institution established undu tttc Buraaiharm6nious dcvelopment oI the activities of standardizatiori, marking and

Standards Acl, 1986 to promoquality ccrtil lcation of goods ar

atlending to conncctcd matters in thc counfy.

Copyright

BIS bas tbe coPyright ofall is publietions. No part of these publicnrions may be rcproduccd in any forrwithout the prior pcrmission in writing of BIS. This docs not prccludc thc frce use, in the coursc (implementing lbc standard, of necessary d€lails, such as symbols and sizcs, type or grade dcsignationEnquiries relating to mpyright bc addressed to the Direcror (publication), BIS.

Revie* of Indirn Standards

Amendmcnts are issucd to s t ndards as thc nccd a riscs on lhc h:rsis o f com mcn ts. SL't nd:r rds A rc also rcvrewcperiodially; a slandard along with amcndmcnLs is rcaffirmcd whcn such rcvicw indicatcs thnt no changcs a,needed; if thc rcview indica tcs thaa changes are rrccdcd, it is Llkcn up for rcvision. Uscrs of Indi;rn St nd:rrrshould asccrtain thal they are in posscssion of the lllcsl imcndmcnLs or cdition by rcfcrring to thc latcst issuof 'BIS Handbook'and 'standards Monthly Additions'.

Amendments Issued Since Publication

Amend No. Date of Issue Texl Affecle(

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Telegiams: Manaksanslhi(Common to all officcs

TelePhon'

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Headquarters:

Manak Bhavan, 9 Bahadur Shah Za far Marg, New Dclhi I 10002Telephones: 323 Ol31,323 33 75,323 94 Oz

Regional Offices:'Central

Eastern

Norlhern

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Brancbes

[60384:160 20 2

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