section4 felxible pavement

8/16/2019 Section4 Felxible Pavement

1/52

FOR INTERNAL USEONLY

Standard Specification For Road Works

SECTION 4

FLEXIBLE PAVEMENT

Cawangan Jalan, Ibu Pejabat JKR, K.LPage 75


2/52



SECTION 4 - FLEI!LE P"#E$ENT

Page

4%& 'N!O'N( P"#E$ENT CO'RSES S4-7)

4.1.1 Lower Subbase S4-78

4.1.1.1 Description S4-78

4.1.1.2 Materials S4-78

4.1.1.3 Construction Methos S4-78

4.1.2 Subbase S4-7!

4.1.2.1 Description S4-7!

4.1.2.2 Materials S4-7!

4.1.2.3 Construction Methos S4-8"

4.1.3 #ra$el Sur%acing S4-814.1.3.2 Materials S4-81


4.1.4 Crushe &ggregate 'oabase S4-83




4%* !IT'$INO'S P"#E$ENT CO'RSES S4-)5

4.2.1 (itu)en Pri)e Coat S4-8*4.2.1.1 Description S4-8*

4.2.1.2 Materials S4-8*

4.2.1.3 +,uip)ent S4-8*


4.2.2 (itu)inous ac Coat S4-88



4.2.2.3 +,uip)ent S4-88

4.2.2.4 Construction Methos S4-8!

4.2.3 (itu)inous Sur%ace Dressing S4-!"

4.2.3.1 Description S4-!"

4.2.3.2 Materials S4-!"

4.2.3.3 +,uip)ent S4-!1

4.2.3.4 Construction Methos S4-!3

Cawangan Jalan, Ibu Pejabat JKR, K.LPage 7+


3/52



Page

4.2.4 &sphaltic Concrete S4-!!

4.2.4.1 Description S4-!!

4.2.4.2 Materials S4-!!

4.2.4.3 &sphaltic Concrete Mi/ Design S4-1"2

4.2.4.4 +,uip)ent S4-1"*

4.2.4.* Construction Methos S4-11"

4.2.* (itu)inous Macaa) S4-110

4.2.*.1 Description S4-110

4.2.*.2 Materials S4-110

4.2.*.3 +,uip)ent S4-110

4.2.*.4 Construction Methos S4-110

4%, SO'L(ERS S4-&&.

4.3.1 Description S4-11!

4.3.2 Materials S4-11!

4.3.2.1 +arth Shoulers S4-11!

4.3.2.2 #ra$el Shoulers S4-11!

4.3.3 Construction Methos S4-11!

4%4 ORI/ONT"L "LI0N$ENT1 S'RF"CE LE#ELS "N(

S'RF"CE RE0'L"RIT2 OF P"#E$ENT CO'RSES S4-&*3

4.4.1 oriontal &lign)ent S4-12"

4.4.2 Sur%ace Le$els o% Pa$e)ent Courses S4-12"

4.4.3 Sur%ace 'egularit S4-121

Cawangan Jalan, Ibu Pejabat JKR, K.LPage 77


4/52



SECTION 4 -

FLEI!LE P"#E$ENT

4%& 'N!O'N( P"#E$ENT

CO'RSES

4.1.1 Lower Subbase

4.1.1.1 Description

his wor shall consist o%

%urnishing placing co)pacting

an shaping lower subbase

)aterial on a prepare an

accepte subgrae in accorancewith this Speci%ication an the

lines le$els graes i)ensions

an cross-sections shown on the

Drawings an5or as re,uire b

the S.6.

4.1.1.2 Materials

Lower subbase )aterial shall be

inorganic soil san gra$el

weathere or %rag)ente rocor a )i/ture o% an o% these

)aterials essentiall %ree %ro)

$egetati$e an other organic

)atter an e/pansi$e cla

)inerals. t shall ha$e a

)a/i)u) particle sie o% 7* ))

or less an shall ha$e a C('

$alue not less than that shown on

the Drawings when co)pacte

to

!* o% the )a/i)u) rensit eter)ine in the (.S.

1377

Co)paction est 94.* g

ra))er )etho: an soae %or

4 as uner a surcharge o% 4.*

g.

4.1.1.3 Construction Methos

Prior to placing an lower

subbase )aterial the unerling

subgrae 9particularl the top 3""

)) o% the subgrae: shall ha$e

been shape an co)pacte in

accorance with the pro$isions o%

Sub-Section 2.2.7.

;otwithstaning an earlier

appro$al o% %inishe subgrae

an a)age to or eterioration

o% the subgrae shall be )ae

goo to the satis%action o% the

S.6. be%ore lower subbase is

constructe.

Lower subbase shall be place

o$er the %ull with o% the

%or)ation to the re,uire

thicness as shown on the

Drawings or irecte b the

S.6. in one laer or )ore each

laer not e/ceeing 2"" ))co)pacte thicness.


5/52



he lower subbase shall be

%inishe in a neat an wor)an

lie )anner an shall ha$e an

a$erage thicness o$er an 1""

)etre length not less than the

re,uire thicness. he topsur%ace o% the lower subbase

shall ha$e the re,uire shape

superele$ation le$els an

graes an shall be e$erwhere

within the tolerances speci%ie in

Sub- Section 4.4.

4.1.2 Subbase

4.1.2.1 Description



an shaping subbase )aterial

on

a prepare an accepte subgrae

or lower subbase in accorance

with this Speci%ication an the

lines le$els graes i)ensions

an cross-sections shown on the


the S.6.

4.1.2.2 Materials

Subbase )aterial shall be a

natural or prepare aggregate

co)prising crushe roc

weathere or %rag)ente roc

gra$el or crushe gra$el san

or a )i/ture o% an o% these

)aterials. t shall ha$e a s)all

proportion o% plastic or

non-plastic %ines an shall be

essentiall %ree %ro) $egetati$e

an other organic )atter

e/pansi$e cla )inerals an

lu)ps o% cla. he )aterial

shall con%or) to the %ollowing

phsical an )echanical ,ualit

re,uire)ents =-

i: the li,ui li)it shall be

not )ore than 2*>

ii: the plasticit ine/ shall be

not )ore than 0>

iii: the aggregate crushing $alue

when teste in accorance

with M.S. 3" shall be not

)ore than 3*>

i$: unless otherwise speci%ie on

the Drawings or irecte b

the S.6. the )aterial shall

ha$e a C(' $alue o% 3" or

)ore when co)pacte to

!* o% the )a/i)u) rensit eter)ine in the

(.S.

1377 Co)paction est 94.*

g ra))er )etho: an

soae %or 4 as uner a

surcharge

o% 4.* g>

$: the graation shall con%or)

to one o% the en$elopes

shown in able 4.1 with the%raction passing the (.S. 7*

u) sie$e not greater than 253

o% the %raction passing the

(.S. 42* u) sie$e.

Cawangan Jalan, Ibu Pejabat JKR, K.LPage 7.


6/52



TABLE 4.1 - GRADATION LIMITS FOR SUBBASE MATERIAL

B.S.Sieve

Size

% Passing By eig!"

A B # D E F

$. &&'$. &&(.$ &&4.)$ &&'. &&4'$ *&)$ *&

1-

+-,$'$-$$1$-4-''-

1)(-($4-)$

+-,'-4$1$-+$-'

-1

$-$+$-,$'$-$1$-+$-'

-1

,-1$-$4-)'$-4$$-'

-1

-$$-14-1'-$,-'

-1

-)-1$$-1+-)-'$


Prior to placing an subbase)aterial the unerling subgrae

9particularl the top 3"" )) o% the

subgrae: or lower subbase shall

ha$e been shape an co)pacte

in accorance with the pro$isions

o% Sub-Section 2.2.7 or Sub-Section

4.1.1.3 as appropriate.


appro$al o% %inishe subgrae or

lower subbase an a)age to or

eterioration o% the subgrae orlower subbase shall be )ae

goo

to the satis%action o% the S.6.

be%ore subbase is constructe.

Subbase shall be place with

e,uip)ent appro$e b the S.6.

o$er the %ull with o% the

%or)ation to the re,uire thicness

as shown on the Drawings or

irecte b the S.6. in one laer

or )ore each laer not e/ceeing

2"" )) co)pacte thicness.


7/52



he subbase shall be %inishe in

a neat an wor)anlie )anner>

its with shall be e$erwhere at

least that speci%ie or shown on

the Drawings on both sies o%

the centre-line> an its a$eragethicness o$er an 1"" )etre

length shall be not less than the

re,uire thicness. he top

sur%ace o% the subbase shall ha$e

the re,uire shape

superele$ation le$els an graes

an shall be e$erwhere within

the tolerances speci%ie in Sub-

Section 4.4.

4.1.3 #ra$el Sur%acing

4.1.3.1 Description



an shaping gra$el sur%acing

)aterial on a prepare an

accepte subgrae or lower

subbase in accorance with this

Speci%ication an the lines le$els

graes i)ensions ancross-sections shown on the

Drawings an5or as re,uire

b the S.6.

4.1.3.2 Materials

#ra$el sur%acing )aterial shall be

a natural or prepare soil-

aggregate )i/ture co)prising

gra$el an san sie particles

together with a s)all proportion

o% plastic %ines an shall be

essentiall %ree %ro) $egetati$e

an other organic )atter

e/pansi$e cla )inerals an

lu)ps o% cla. he )aterial

shall

con%or) to the %ollowing phsical

an )echanical ,ualit

re,uire)ents =-

i: the li,ui li)it shall be

not )ore than 3*>

ii: the plasticit ine/ shall be

in the range 4 to 1">

iii: the aggregate crushing $alue



)ore than 3*>

i$: the graation shall con%or)

to one o% the en$elopes

shown in able 4.2 with the

%raction passing the (.S. 7*

u) sie$e not greater than

253 o% the %raction passing the

(.S. 42* u) sie$e.

TABLE 4.' - GRADATION LIMITS FOR GRAEL SURFA#ING

B.S. SieveSize

% Passing By eig!"

A B # D

+).$ &&1'.$ &&4.)$ &&'. &&4'$ *&)$ *&

14$ - )$+ - ,' - 4$1$ - + - '

1$$ - $+$ - ,$'$ - $1$ - + - '

1, - 1$ - $4 - )'$ - 4$ - '

1-

$$ - (4 - )' - $ - '$

Cawangan Jalan, Ibu Pejabat JKR, K.LPage )&


8/52



Material with a )a/i)u)

particle sie o% 37.* )) while

otherwise not con%or)ing to the

graation speci%ication but

satis%ing the other

re,uire)ents shall be acceptable pro$ie that it shall ha$e a

C(' $alue o% 3"

or )ore when co)pacte to

!* o% the )a/i)u) r

ensit eter)ine in the (.S.

1377


ra))er )etho: an soae %or

4 as uner a surcharge o% 4.*

g.


Prior to placing an gra$el

sur%acing )aterial the unerling

subgrae 9particularl the top 3""

)) o% the subgrae: or lower

subbase shall ha$e been shape

an co)pacte in accorance

with the pro$isions o% Sub-

Section 2.2.7 or Sub-

Section4.1.1.3 as appropriate.


appro$al o% %inishe subgrae

or lower subbase an a)age

to or eterioration o% the

subgrae or lower subbase shall

be )ae goo to the satis%action

o% the S.6. be%ore gra$el

sur%acing is constructe.

#ra$el sur%acing shall be place

to the re,uire with an

thicness as shown on the

Drawings or irecte b the

S.6. in one laer or )ore each

laer not e/ceeing 2"" ))

co)pacte thicness. its with

shall be e$erwhere at least that

speci%ie or shown on the

Drawings on both sies o% the

centre-line> an its a$erage

thicness o$er an 1"" )etre


re,uire thicness an its

)ini)u) thicness at an point

shall be not less than the

re,uire thicness )inus 2"

)).

Cawangan Jalan, Ibu Pejabat JKR, K.LPage )*


9/52

B.S. SieveSize

% Passing By eig!"

Ty/e I Ty/e II

$. &&+).$ &&'. &&'. &&1. &&$.% &&'.+, &&'.%% &&, *&4'$ *&)$ *&

1($ - 1

-, - 4 - ,'$ - 41$ - +

- 0 ''

- 0

1$ - 1) - 1, - (4 - ,$+ - $$

-' - 4

-1 - '$' - 1



he top sur%ace o% the gra$el

sur%acing shall ha$e the

re,uire shape superele$ation

le$els an graes an shall be

e$erwhere within 1" )) o%

the re,uire plane or suchhigher appro/i)atel parallel

plane as the S.6. shall appro$e.

4.1.4 Crushe &ggregate 'oabase

4.1.4.1 Description



an shaping crushe aggregate

roabase )aterial on a preparean accepte subgrae or lower

subbase or subbase in

accorance with this

Speci%ication an the lines

le$els graes i)ensions an

cross-sections shown on the


the S.6.

4.1.4.2 Materials

Crushe aggregate roabase

)aterial shall be crushe roc

or crushe gra$el or a )i/ture

o% crushe an natural

aggregates which is har

urable clean an essentiall

%ree %ro) cla an other

eleterious )aterials.

he )aterial shall con%or) to

the %ollowing phsical an

)echanical ,ualit re,uire)ents=-

i: the plasticit ine/ shall be

not )ore than 0>

ii: the aggregate crushing $alue



)ore than

3">

iii: the %lainess ine/ when testein accorance with M.S. 3"

shall be not )ore than 3">

i$: not less than 8" o%

particles retaine on the (.S.

4.7* )) sie$e shall ha$e at

least one %racture %ace>

$: the weighte a$erage loss o%

weight in the soiu)

sulphate sounness test 9*

ccles:


with &&S6 est Metho

1"4 shall be not )ore

than

12>

$i: the )aterial shall ha$e a C('

$alue o% not less than 8"when co)pacte to !* o%

the )a/i)u) r ensit

eter)ine in the (.S. 1377


ra))er )etho: an

soae %or 4 as uner a

surcharge o% 4.* g>

$ii:the graation shall co)pl

with the en$elope shown

in able 4.3 %or the tpespeci%ie.

TABLE 4.+ - GRADATION LIMITS FOR

#RUSED AGGREGATE ROADBASE

Cawangan Jalan, Ibu Pejabat JKR, K.LPage ),


10/52




Prior to placing an crushe

aggregate roabase )aterial the

unerling subgrae or lower

subbase or subbase shall ha$e been shape an co)pacte in


the appropriate Section o% this

Speci%ication. ;otwithstaning

an earlier appro$al o% %inishe

subgrae or lower subbase or

subbase an a)age to or

eterioration o% the subgrae or

lower subbase or subbase shall

be )ae goo to the satis%action

o% the S.6. be%ore crusheaggregate roabase is

constructe.

Crushe aggregate roabase shall

be place to the re,uire with

an thicness as shown on the

Drawings or irecte b the S.6.

in one laer or )ore each laer

not e/ceeing 2"" ))

co)pacte thicness. its with

shall be e$erwhere at least that

speci%ie or shown on the


centre-line> an its a$erage

thicness o$er an 1"" )etre


re,uire thicness. he top

sur%ace o% the crushe aggregate

roabase shall ha$e the re,uire

shape superele$ation le$els an

graes an shall be e$erwhere

within the tolerances speci%ie in

Sub-Section 4.4.2.

Cawangan Jalan, Ibu Pejabat JKR, K.LPage )4


11/52



4%* !IT'$INO'S P"#E$ENT

CO'RSES

4.2.1 (itu)en Pri)e Coat

4.2.1.1 Description

his wor shall consist o% the

care%ul an thorough cleaning o%

the sur%ace o% a prepare an

accepte crushe aggregate

roabase an the %urnishing an

application to the cleane

roabase sur%ace o% a bitu)inous

pri)ing )aterial all in

accorance with this

Speci%ication an the linesi)ensions an cross-sections

shown on the Drawings an5or

as re,uire b the S.6.

4.2.1.2 Materials

he bitu)inous pri)ing )aterial

shall be either cut-bac bitu)en

or bitu)en e)ulsion as state in

the (ill o% @uantities.

Cut-bac bitu)en shall be

grae 'C-7" or MC-7"

con%or)ing to the re,uire)ents

o% M.S. 1*!.

(itu)en e)ulsion shall be

slow setting grae SS-1 or SS-

1A con%or)ing to the

re,uire)ents

o% M.S. 101 as appropriate to

the tpe o% roabase )aterial to

be pri)e an appro$e b the

S.6.

4.2.1.3 +,uip)ent

he e,uip)ent use b the

Contractor shall inclue a

power broo) a co)presse air

blower a sel%-propelle pressure

istributor %or bitu)inous

)aterial an as necessar

e,uip)ent %or storing an heating bitu)inous )aterial.

9a: Power (roo)

he power broo) shall be

a rotar tpe speci%icall

esigne %or sweeping roa

sur%aces an shall be

appro$e b the S.6.

9b: Co)presse &ir (lower

he co)presse air blower

shall co)prise a portable air

co)pressor o% 3 cu.)5)in.

in capacit at ".7 ;5s,.))

eli$er pressure with a

suitable hose an nole %or

blowing clean a roa sur%acea%ter power broo)ing an

shall be appro$e b the

S.6.

9c: Pressure Distributor %or

(itu)inous Material

he istributor shall be a

purpose built )oel o%

recognise )anu%acture an

shall be appro$e b theS.6. t shall con%or) to the

re,uire)ents escribe

hereuner.

he istributor shall ha$e a

suitable capacit an shall be

e,uippe with a gas or oil

%ire heating sste) capable

o% heating a %ull charge o%

bitu)inous )aterial to

l8"BC. he heating sste)

shall be such that o$erheating

o% the bitu)inous )aterial

will not occur an shall be o%

a tpe in which %la)es %ro)

the burner o not co)e into

irect contact with the casing

o% the tan containing the

bitu)inous )aterial. he

tan shall be insulate in

such a )anner that when

%ille

with bitu)inous )aterial atl8"BC an not heate

Cawangan Jalan, Ibu Pejabat JKR, K.LPage )5


12/52



the rop in te)perature shall be

less than 3BC per hour. &

ther)o)eter shall be pro$ie to

)easure continuousl the

te)perature o% the bitu)inous

)aterial in the tan an shall beso arrange that the highest

te)perature in the tan is

)easure. he tan shall be

%itte with an accuratel

calibrate ipstic or contents

gauge an the pipe %or %illing

the tan shall be %itte with an

easil replaceable %ilter.

he istributor shall run on

pneu)atic tre wheels o% suchwith an nu)ber that the loa

prouce on the roa sur%ace

when the $ehicle is %ull charge

shall not e/cee l2 g5)) o%

tre with. he $ehicle shall be

e,uippe with a %i%th wheel

tacheo)eter sste) to accuratel

)easure its %orwar spee uring

spraing operations.

he istributor shall be e,uippewith a %ull circulation tpe spra

bar with noles %ro) which the

bitu)inous )aterial is sprae

on to the roa sur%ace uni%or)l

o$er the %ull spraing with.

he spraing with shall be

$ariable

in incre)ents o% not )ore than

1"" )) up to a )a/i)u) o%

*." )etres. he spraing pu)p

shall be ri$en b a separate

power unit an shall be

e,uippe with

an accurate pressure gauge

an an accurate %low rate

gauge or )eter. 6n the suction

sie the pu)p shall be %itte

with an easil replaceable

%ilter. he spra bar an

pu)p shall be so

esigne that bitu)inous )aterial

at e$en te)perature an uni%or)

pressure )a be sprae uni%or)l o$er the spraing with at

controlle rates in the range

".2* to 8." litres5s,.) at nor)al

istributor operating spees

such that e$iation %ro) the

prescribe rate o% application

shall not

e/cee 1".

he istributor shall be e,uippe

with a han spraing sste).

he )eters %or the %i%th wheel

tacho)eter sste) an the

bitu)inous )aterial pu)ping

%low rate pu)ping pressure an

te)perature shall be locate in

such a )anner that the $ehicle

ri$er can easil rea the)while operating the istributor.

he spra bar shall be controlle

b a secon operator riing at

the rear o% the $ehicle in such a

position

that all the ischarge spras are

in his goo $iew.

&ll )easuring e,uip)ent on the

istributor shall ha$e been

recentl calibrate an accuratean satis%actor recors o% the

calibrations shall be sub)itte to

the S.6. % in the course o% the

wor the rates o% application o%

bitu)inous )aterial are %oun to

be inaccurate the istributor shall

be withrawn %ro) the


13/52



9: Storage an eating

Eacilities %or (itu)inous

Material

ans %or storage o%

bitu)inous )aterial shallha$e a capacit suite to the

propose rate o% utilisation

o% the )aterial an the

)etho an %re,uenc o% its

eli$er to the


14/52



% necessar in orer to

pre$ent the bitu)inous

)aterial %ro) %lowing on the

sprae sur%ace the pre

scribe pri)e coat shall be

applie in two separatespraing operations. the ,uantities applie shall not

e$iate b )ore than 1"

%ro) those prescribe. &reas

with insu%%icient bitu)inous

)aterial shall be resprae as

necessar to )ae up the

e%icienc all to the

satis%action o% the S.6.

he sur%aces o% structures

roa %urniture an treesa?acent to the areas being

sprae shall be protecte

in such a )anner as to

pre$ent their being spattere

or )arre b bitu)inous

)aterial. (itu)inous )aterial

shall not be ischarge into

roa rains gutters etc.

9: Curing an 6pening to

ra%%ic

Pri)e coat shall nor)all be

le%t unisturbe %or at least

24 hours a%ter application an

shall not be opene to tra%%ic

until in the opinion o% the

S.6. it has penetrate the

roabase an cure

su%%icientl so that it will not

be pice up b the wheels

o% $ehicles.

he Contractor shall )aintain

the pri)e coat all to the

satis%action o% the S.6. until

the o$erling pa$e)ent

course is constructe which

shall not be within 24 hours

a%ter the application o% the

bitu)inous pri)ing )aterial

nor within such longer perio

as is re,uire in the opinion

o% the S.6. %or the pri)e

coat to achie$e )a/i)u)

penetration o% the roabase

an beco)e %ull cure.

4.2.2 (itu)inous ac Coat

4.2.2.1 Description




accepte bitu)inous or bitu)en

pri)e pa$e)ent course an the

%urnishing an application to the

cleane sur%ace o% a bitu)inous

tac coat prior to the

construction o% an o$erling bitu)inous pa$e)ent course all

in accorance with this


i)ensions an cross-sections



4.2.2.2 Materials

(itu)inous tac coat )aterial

shall be rapi setting bitu)en

e)ulsion o% grae 'S-1 or

'S-

1A con%or)ing to the

re,uire)ents o% M.S.

101.

4.2.2.3 +,uip)ent

he e,uip)ent shall be as

speci%ie in Sub-Section 4.2.1.3.

Cawangan Jalan, Ibu Pejabat JKR, K.LPage ))


15/52




9a: #eneral Conitions

(itu)inous tac coat shall

onl be applie to a cleanr bitu)inous or

bitu)en pri)e sur%ace.

(itu)inous tac coat shall

onl be applie as %ar in

a$ance o% the construction o%

the o$erling bitu)inous

pa$e)ent course as is

necessar to achie$e a satis

%actor egree o% taciness

be%ore the o$erling )aterialis place all to the

satis%action o% the

S.6.

9b: Sur%ace Preparation an

Cleaning

Prior to appling bitu)inous

tac coat the sur%ace to be

treate shall ha$e been

prepare in accorance withthe appropriate Sections o%

this Speci%ication.


appro$al o% this sur%ace an

a)age to it or eterioration

o% it shall be )ae goo

be%ore tac coat is applie.

))eiatel prior to appling

bitu)inous tac coat the %ull

with o% the sur%ace to be

treate shall be swept using a

power broo) %ollowe b a

co)presse air blower an i%

necessar scrape using han

tools to re)o$e all irt ust

an other ob?ectionable

)aterial all to the satis%action

o% the S.6.

9c: &pplication o% (itu)inous

Material

he bitu)inous tac coat

shall be sprae on to the

cleane bitu)inous or

bitu)en pri)e sur%ace b

)eans o% a pressure

istributor. &n areas

inaccessible to the

istributor spra bar shall be

treate using the istributors

han spraing sste). he

rate or

rates o% application shall be

as irecte b the S.6. base

on the results o% testapplications but shall usuall

be in the range ".2* to ".**

litres5s,.). he te)perature

o% the bitu)inous )aterial

shall be )aintaine in the

range 2*BC to 4*BC uring

spraing operations.

ac coat shall be istribute

uni%or)l o$er the sur%ace to

be treate without streaing>the ,uantities applie shall not

e$iate b )ore than 1"

%ro) those prescribe. &reas

with bitu)inous )aterial in

e/cess o% these li)its shall

ha$e the e/cess re)o$e at

the Contractors e/pense an

areas with insu%%icient

bitu)inous )aterial shall be

resprae as necessar to

)ae up the e%icienc all



roa %urniture an trees

a?acent to the areas being

sprae shall be protecte in

such a )anner as to pre$ent

their being spattere or

)arre b bitu)inous




Cawangan Jalan, Ibu Pejabat JKR, K.LPage ).


16/52



ra%%ic shall be ept o%% the

tac coat at all ti)es an

the Contractor shall

)aintain the tac coat all to

the satis%action o% the S.6.

until the o$erling pa$e)entcourse is constructe.

4.2.3 (itu)inous Sur%ace Dressing

4.2.3.1 Description




accepte bitu)inous or bitu)en

pri)e pa$e)ent course an the%urnishing an placing on the

cleane sur%ace o% one or two

applications o% bitu)inous

)aterial an co$er aggregate all



i)ensions an cross-sections




17/52



Eor ouble bitu)inous

sur%ace ressing the co$er

aggregate %or the %irst

application o% bitu)inous

)aterial an co$er aggregate

shall be no)inal 2" ))sie chippings an the co$er

aggregate %or the secon


)aterial an co$er

aggregate shall be no)inal

1" )) sie chippings.

Co$er aggregates shall be

screene crushe stone an

shall co)prise clean r

har tough soun angularan cubical chippings %ree

%ro) $egetati$e an other

organic )atter cla an

other eleterious substances

an containing %ew i% an

%la

or elongate particles. Dust

chippings shall be washe

clean all to the satis%action

o% the S.6. Co$er agregates

shall con%or) to the %ollowing phsical an )echanical

re,uire)ents =-

i: using the tpe o%

bitu)inous )aterial to be

use in the

ii: the aggregate crushing

$alue when teste in

accorance with M.S. 3"

shall be not )ore than

3">

iii: the weighte a$erage loss

o% weight in the soiu)


ccles: when teste in

accorance with

&&S6 est Metho

1"4 shall

be not )ore than 12>

i$: the %lainess ine/ when

teste in accorance with

M.S. 3" shall be not

)ore than 2*>

$: the polishe stone $alue


with M.S. 3" shall be notless than 4">

$i: the graation shall con

%or) to the appropriate

en$elope shown in

able

4.4.

4.2.3.3 +,uip)ent

he Contractor shall pro$ie allthe plant an e,uip)ent

necessar %or e/ecuting the wor


Speci%ication an shall %urnish

the S.6. with such etails o%

particular ite)s o% e,uip)ent

e.g. )anu%acturer )oel tpe

capacit weight etc. as the

S.6. shall re,uire.

he e,uip)ent shall inclue a

power broo) a co)presse air

blower a sel%-propelle

pressure istributor %or

bitu)inous

)aterial all necessar e,uip)ent

%or storing an heating

bitu)inous )aterial aggregate

spreaing e,uip)ent a suitable

nu)ber o% tip-trucs an a sel%-

propelle pneu)atic tre

roller.

Cawangan Jalan, Ibu Pejabat JKR, K.L


18/52

Page .&


19/52



TABLE 4.4 - GRADATION LIMITS FOR BITUMINOUS SURFA#E DRESSING

B.S.

SieveSize

% Passing By eig!"

N2&ina3' &&

#!i//ings

N2&ina314 &&

#!i//ings

N2&ina31 &&

#!i//ings

N2&ina3, &&

#!i//ings

'$. &&'. &&14. &&1. &&,.+ &&

4.)$ &&

'.+, &&

1$ - 1

- '--

- $

- '

-1

$ - 1 - '

- - $

- '

--

1$ - 1

- ' - 1

- '

---

1$ - 1

- '$

- 1

9a: Power (roo)

he power broo) shall be

as speci%ie in Sub-Section

4.2.1.39a:.

9b: Co)presse &ir

(lower he co)presse

air blower shall be as

speci%ie in Sub-Section

4.2.1.3 9b:.

9c: Pressure Distributor %or

(itu)inous Material

he istributor shall be

as speci%ie in Sub-

Section

4.2.1.39c:.

9: Storage an eating

Eacilities %or

(itu)inous Material

Storage an heating

%acilities %or bitu)inous

)aterial shall be as

speci%ie in Sub-

Section

4.2.1.3 9:.

9e: &ggregate Spreaing

+,uip)ent

&ggregates shall be place

using )echanical

spreaers o% a tpe

appro$e b the S.6.

he spreaers shall be

capable o% appling

aggregate uni%or)l o$erthe %ull with o% the area

being treate an shall

ha$e controls to regulate

the

rate o% sprea as re,uire

b this Speci%ication all to


9%: ip-rucs

he Contractor shall

pro$ie a suitable nu)ber

o% tip-trucs o% a tpe

appro$e b the S.6.

capable o% spreaing

aggregate in accorance

with this Speci%ication.

Cawangan Jalan, Ibu Pejabat JKR, K.LPage .*


20/52



9g: Pneu)atic re 'oller

he pneu)atic tre roller

shall be o% recognise

)anu%cature an shall be

appro$e b the S.6. tshall con%or) to the

re,uire)ents escribe

hereuner.

he pneu)atic tre roller

shall be sel%-propelle an

capable o% being re$erse

without baclash> it shall

be e,uippe with power

steering an ual controls

allowing operation %ro)either the le%t or right

sie.

he roller shall ha$e nine

wheels e,uippe with

s)ooth treae tres all

o% the sa)e sie an

construction an capable

o% operating at in%lation

pressures o% up to ".!

;5s,.)). Ei$e wheelsshall be on the ri$en a/le

an %our on the steering

a/le all e,uall space on

both a/les an arrange so

that the tres on the

steering a/le trac )iwa

between those on the

ri$en a/le with a s)all

o$erlap. he roller shall

be e,uippe with water

tans sprinler sste)s

an pas o% coconut

)atting to eep all tres

e$enl wette uring

operation.

he roller shall be

e,uippe with )eans o%

a?usting its total weight

b ballasting so that the

loa per wheel can be

$arie in the range 1."

to2." tonnes.

n operation the ballaste

weight an the tre

in%lation pressure shall be

a?uste to )eet the

re,uire)ents o% each

particular operation. +ach

tre shall be ept in%late

at the speci%ie pressure

such that the pressure

i%%erence between an

two tres shall not e/cee

"."4 ;5s,.)). Means

shall be pro$ie %or

checing an a?usting

tre pressures at all ti)es

at the place o% the wors.

he Contractor shall

pro$ie the S.6. with a

calibration chart %or the

roller showing the

relationship between the

,uantit or epth o%

ballast an total weight

an also

a chart showing the

relationship between

wheel loa tre in%lation pressure an contact

pressure.



(itu)inous sur%ace ressing

shall onl be carrie out in

r war) weather when

the sur%ace to be treate is

r.


21/52

N2&ina3 Size2 Agg5ega"e

Ra"e 2 A//3i6a"i2n 2 Pene"5a"i2n

G5a7e7Bi"*&en

'% &&

14 &&

1% &&

, &&

'. - +. 3i"5e8s9.&

1.$ - '.' 3i"5e8s9.&

1. - 1.$ 3i"5e8s9.&

.) - 1. 3i"5e8s9.&



sur%ace to be treate or

such other conitions as he

shall consier etri)ental to

the wor.

9b: Sur%ace Preparation anCleaning

Prior to constructing a

bitu)inous sur%ace ressing

the sur%ace to be treate shall

ha$e been prepare in

accorance with the

appropriate Sections o% this

Speci%ication.;otwithstani

ng an earlier appro$al o% this

sur%ace an a)age to oreterioration o% it shall be

)ae goo be%ore sur%ace

ressing is co))ence.

))eiatel prior to

co))encing sur%ace

ressing the %ull with o% the

sur%ace to be treate together

with an aitional 3"" ))

with on each sie shall be

sweptusing a power broo)

%ollowe b a co)presse air

blower an i% necessar

scrape using han tools to

re)o$e all loose particles

irt ust an other

ob?ectionable )aterial all to


n ouble bitu)inous sur%ace

ressing construction the

sur%ace o% the %irst



shall be si)ilarl )ae goo

an cleane i))eiatel

prior to co))encing the

secon application.

9c: &pplication o% (itu)inous

Material

he bitu)inous )aterial %or a

single bitu)inous sur%ace

ressing or %or each



o% a ouble bitu)inous

sur%ace ressing shall be

sprae on to the cleane

sur%ace to be treate b

)eans o% a pressure

istributor. &n areas

inaccessible to the istributor

spra bar shall be treate

using the istributors hanspraing sste).

he rate or rates o%

application shall be as

irecte b the S.6. base

on the results o% laborator

tests

an5or test applications but %or

penetration grae bitu)en

shall usuall be in the

appropriate range gi$en inable 4.*.

TABLE 4.$ - RATES OF APPLI#ATION

OF PENETRATION GRADED BITUMEN

Cawangan Jalan, Ibu Pejabat JKR, K.LPage .4


22/52



he rates o% application

%or cut-bac bitu)ens an

bitu)en e)ulsions shall

be co))ensuratel higher

epening on their

resiual bitu)en contents.

he te)perature o% the

bitu)inous )aterial shall

be )aintaine uring

spraing operations within

the appropriate range

gi$en in able 4.0.

he bitu)inous )aterial

shall be istribute

uni%or)l o$er the sur%aceto be treate without

streaing> the ,uantities

applie shall not e$iate

b )ore than 1" %ro)

those prescribe. he rate

o% application shall be

chece %or each spraing

run b )easuring the

$olu)e o% bitu)inous

)aterial in the istributor

be%ore an a%ter spraingan the area treate.

&?ust)ents shall be

)ae as necessar to

ensure that the prescribe

rate o% application is

)aintaine

in subse,uent runs.

Spraing shall be

iscontinue i))eiatel

i% an e%ect e$elops in

the istributor an it shall

not be resu)e until the

%ault has been recti%ie to

the satis%action o% the

S.6.

he spraing o% bitu)inous

)aterial o$er an portion o%

the sur%ace to be treate

shall not be carrie out )ore

than two )inutes in a$ance

o% placing the co$er

aggregate

on that portion at the

speci%ie rate> an the progress

o% spraing the bitu)inous

)aterial shall be restricte as

necessar to co)pl with

this re,uire)ent.

TABLE 4., - SPRA:ING

TEMPERATURE FOR BITUMINOUS

Bi"*&in2*sMa"e5ia3

S/5ayingTe&/e5a"*5e

%-1%%/ene"5a"i2n g5a7e;i"*&en

#*"-;a6<;i"*&en g5a7eR#-) 25 M#-)

Bi"*&en e&*3si2ns

1$2# "2 1,$

2#

$%2# "2 ,$

2#

'$2# "2 4$

2#

(itu)inous )aterials

(itu)inous )aterials shall

not be heate to spraing

te)peratures too soon in

a$ance o% re,uire)ents.

&n bitu)inous )aterial

which has been heate to

spraing te)perature %or

)ore than ten hours or

which has been o$erheate

shall be re?ecte.

Cawangan Jalan, Ibu Pejabat JKR, K.LPage .5


23/52



n cases where the

bitu)inous )aterial is

applie in lanes there

shall be a s)all o$erlap o%

bitu)inous )aterial at

the ?oints between lanese,ual in with to the ege

strip

o% the sprae area which

oes not recei$e the %ull

rate o% application o%

bitu)inous )aterial. Eor

ouble bitu)inous sur%ace

ressing ?oints in the

secon application o%

bitu)inous )aterial shall

be o%%set %ro) those inthe %irst application b

1*" -

3"" )) %or longituinal

?oints an b at least 1."

)etre where possible

%or trans$erse ?oints.

+ach spraing run shall

co))ence an

ter)inate on lengths o%

builing paper placeacross the %ull spraing

with i))eiatel

be%ore an a%ter the

section to be

sprae. Su%%icient builing

paper shall be

place so that the istributor

)a be starte an stoppe

with the spra bar o$er paper

an so that the correct

istributor roa spee an rate

o% spraing can be )aintaine

o$er the entire length o% the

section to be sprae all to


))eiatel a%ter use an

be%ore application o%

co$er aggregate the

builing paper shall be

re)o$e

an ispose o% in a

)anner appro$e b the

S.6.

Pro$ision shall be )ae

%or a $olu)e o%

bitu)inous )aterial o% at

least 1" o% the capacit

o% the istributor or such

other ,uantit as the S.6.

shall irect to re)ain in

the istributor tan at the

co)pletion o% each spraing

run in orer to a$oi air

entrap)ent within the

bitu)en spraing sste).


roa %urniture an trees

a?acent to the areas

being sprae shall be protecte

in such a )anner as to

pre$ent their being spattere

or

)arre b bitu)inous




9: &pplication o% Co$er

&ggregate

(e%ore each spraing run

o% bitu)inous )aterial

co))ences su%%icient

aggregate to pro$ie %ull

co$er at the prescribe

rate o% application o$er the

entire area to be sprae

shall ha$e been loae in

trucs at the Site o% the


24/52

N2&ina3Size

Ra"e 2 A//3i6a"i2n2 Agg5ega"e

' &&

14 &&

1 &&

, &&

1) 0 ')


25/52



than 3 )inutes between the

application o% the

bitu)inous )aterial an the

co))ence)ent o% rolling.

he pneu)atic tre rollershall be ballaste to an

operating weight o% ! - 1"

tonnes an its tre

in%lation pressure shall be

".*3

;5s,.)) %or sur%ace ressing

wor. 'olling shall be

continue %or as long as is

necessar to thoroughl

e)be the aggregate in the

bitu)inous )aterial all tothe satis%action o% the S.6.

'olling shall generall begin

at the outer ege o% sur%ace

ressing an progress

uni%or)l towars the centre

on each sie e/cept on

super ele$ate cur$es where

rolling shall begin at the

lower ege an progress

uni%or)l towars the higher ege. Consecuti$e roller

passes shall generall

o$erlap b about one hal% o%

the rollers with.


26/52



%irst application shall be ept

to a practicable )ini)u) an

the secon application shall

be constructe as soon as

is practicable a%ter the

co)pletion o% the %irst.

4%*%4 "spatic Concrete

4.2.4.1 Description


%urnishing placing shaping an

co)pacting asphaltic concrete

biner course an5or wearing

course on a prepare anaccepte bitu)inous or bitu)en

pri)e pa$e)ent course an

shall inclue the care%ul an

thorough cleaning o% sur%aces

which are to be co$ere without

recei$ing a bitu)inous tac coat.

he wor shall be carrie out all



le$els graes i)ensions an

cross-sections shown on theDrawings an5or as re,uire b

the S.6.

4.2.4.2 Materials

9a: &ggregates

&ggregate %or asphaltic

concrete shall be a )i/ture o%

coarse an %ine aggregates

an i% necessar )ineral

%iller. he ini$iual aggregates

shall be o% sies suitable %or

blening to prouce the

re,uire graation o% the

co)bine aggregate all to the


Coarse aggregates shall be

screene crushe har roc

angular in shape an %ree

%ro) ust cla $egetati$e

an other

organic )atter an other

eleterious substances. he

shall con%or) to the %ollowing

phsical an )echanical ,ualit

re,uire)ents =-

i: the aggregate crushing $alue



)ore than 3">

ii: the weighte a$erage loss o%

weight in the soiu)


ccles:


with &&S6 est Metho 1"4 shall be not )ore than

12>

iii: the %lainess ine/ when


M.S. 3" shall be not

)ore than 3">

i$: the water absorption when


M.S. 3" shall be not )orethan 2>

$: the polishe stone $alue


with

M.S. 3" shall be not less than

4" 9onl applicable to

aggregates %or

wearing course:.

Eine aggregates shall be clean

natural sans screene ,uarr

%ines or )ining san. Mining

san shall be thoroughl washe

be%ore use. 6ther tpes o% %ine

aggregate )a be use sub?ect

to the appro$al o% the S.6.

Eine aggregates shall be non-

plastic an %ree %ro) cla

loa) aggregations o% )aterial

$egetati$e an other organic

)atter an other eleterioussubstances.

Cawangan Jalan, Ibu Pejabat JKR, K.LPage ..


27/52



he shall con%or) to the

%ollowing phsical an

)echanical ,ualit re,uire)ents=-

i: the weighte a$erage loss o%

weight in the soiu)sulphate sounness test 9*

ccles:


with &&S6 est Metho

1"4 shall be not )ore than

12>

ii: the water absorption when


M.S. 3" shall be not )orethan 2.

;otwithstaning co)pliance with

the re,uire)ents o% this

Speci%ication li)estone

aggregates shall not be per)itte

%or use in wearing course.

he graation o% the co)bine

coarse an %ine aggregates

together with orinar Portlan

ce)ent ae as an ahesion an

anti-stripping agent an i%

necessar an other )ineral

%iller shall con%or) to the

appropriate en$elope shown

in able 4.8

TABLE 4. - GRADATION LIMITS FOR ASPALTI# #ON#RETE

Mi= Ty/e ea5ing #2*5se Bin7e5 #2*5se

Mi=Designa"i2n

A# ' A#B '

B.S. Sieve % Passing ;y >eig!"

+).$ &&

'. &&

'. &&

14. &&

1. &&

$. &&

+.+$ &&

1.1 &&

4'$ *&

1$ *&

)$ *&

1

), - 1

,4 - (

$, - 1

4, - )1

+' - $

' - 4'

1' - '

, - 1,

4 -

1

- 1

)' - (+

$ - '

$ - )$

+, - $

+ - $'

1 - +

11 - '$

$ - 14

+ -

Cawangan Jalan, Ibu Pejabat JKR, K.LPage &33


28/52



he graation en$elopes in the

abo$e able are purposel wier

than the tolerances %or goo

wors control o% asphaltic

concrete )i/es. Eor each tpe o%

)i/ re,uire in the


29/52



all in accorance with the

)anu%acturers instructions. n such a

case the agent shall be ae to the

bitu)en biner use in the bitu)en

stripping tests in the appropriate

a)ount an )anner.

&ggregate which oes not per%or)

satis%actoril in the bitu)en stripping

tests using the appro$e ahesion

an anti-stripping agent when

appropriate shall not be use in

asphaltic concrete.

4.2.4.3 &sphaltic Concrete Mi/ Design

9a: Fob Mi/ Eor)ulae

&%ter obtaining supplies or

prouction 9as applicable: o% all

aggregates consistent as to graation

an other ,ualities the Contractor

shall propose a ?ob )i/ %or)ula %or

each class o% )i/ re,uire in the

ii: eter)ination o% the bul

speci%ic gra$it o% the speci)ens

in accorance with &&S6

est Metho 100>

iii: eter)ination o% the stabilit an

%low $alues in accorance with

&&S6 est Metho 24*>

i$: analsis o% the ensit an

$ois para)eters to eter)ine

the percentage o% $ois in the

co)pacte aggregate the

percentage o% $ois in the

co)pacte aggregate %ille

with bitu)en an hence the percentage o% air $ois in the

co)pacte )i/.

Eor each trial )i/ con%or)ing to a

propose ?ob )i/ %or)ula the

para)eters o% the abo$e tests an

analses shall con%or) to the

re,uire)ents o% the appropriate

tpe o% )i/ as gi$en in able 4.1".

A#14 - ea5ing $.% 0 ).% %

A#14 - Bin7e5 #2*5se 4.$ - ,.$ %

A#B ' - Bin7e5 #2*5se 4.% - ,.%

Cawangan Jalan, Ibu Pejabat JKR, K.LPage &3*


30/52



TABLE 4.1 - TEST AND ANAL:SIS

PARAMETERS FOR ASPALTI#

#ON#RETE

Pa5a&e"e5 ea5ing #2*5se Bin7e5 #2*5se

S"a;i3i"y S

F32> F

S"iness S8F

Ai5 v2i7s in &i=

2i7s in agg5ega"ei33e7 >i"! ;i"*&en

? $


31/52

Cawangan Jalan, Ibu Pejabat JKR, K.LPage &3,


32/52



$: the ?ob )i/ %or)ula graation

o% the co)bine aggregate an

%iller>

$i: the proportions %or co)bining

the hot bin aggregates an %iller>

$ii:the bitu)en content 9b weight

o% total )i/:>

$iii:the r an wet )i/ing ti)es i%

a batch plant is to be use or the

)i/ing ti)e i% a continuous )i/

plant is to be use>

i/: the %ull results o% the

co)prehensi$e Marshall)etho tests an analses as

escribe abo$e %or each trial

)i/ use in eter)ining the ?ob

)i/ %or)ula.

he S.6. )a re,uire changes o%

an o% the %actors in each propose

?ob )i/ %or)ula an %urther tests

an analses in orer to attain

opti)u) ,ualit o% the asphaltic

concrete )i/es.

9b: Plant rials

&%ter ha$ing recei$e the S.6.s

preli)inar appro$al o% his

propose ?ob )i/ %or)ulae the

Contractor

shall arrange to )i/ la an co)pact

asphaltic concrete con%or)ing to the

propose %or)ula %or each class o%

)i/ re,uire in the


33/52



TABLE 4.11 - TOLERAN#ES FOR ASPALTI# #ON#RETE MI@ES

Pa5a&e"e5Pe5&issi;3e a5ia"i2n % By eig!" 2 T2"a3Mi=

Bi"*&en.

F5a6"i2ns 2 62&;ine7agg5ega"e /assing $. &&an7 3a5ge5 sieves.

F5a6"i2ns 2 62&;ine7agg5ega"e /assing +.+$ &&an7 1.1 && sieves.

F5a6"i2ns 2 62&;ine7agg5ega"e /assing 4'$ *&an7 1$ *& sieves.

F5a6"i2n 2 62&;ine7agg5ega"e /assing )$ *&sieve.

.'%

$.%

4.%

+.%

'.%

4.2.4.4 +,uip)ent

he Contractor shall pro$ie all the

plant an e,uip)ent necessar %or

e/ecuting the wor in accorance

with this Speci%ication an shall

%urnish the S.6. with such etails o%

particular ite)s o% e,uip)ent e.g.

)anu%acturer )oel tpe capacit

weight operating %eatures etc. as

the S.6. shall re,uire.

9a: 'oa Cleaning +,uip)ent

'oa cleaning e,uip)ent will be

re,uire where asphaltic concrete

is to be lai on a sur%ace which is

not to recei$e a tac coat. he

e,uip)ent shall be the sa)e as that

re,uire %or preparing a sur%ace %or

a tac coat an shall inclue a

power broo) an co)presse air

blower as speci%ie in Sub-Sections

4.2.1.3 9a: an 4.2.1.3 9b:

respecti$el. 9b: &sphalt Mi/ing Plant

he asphalt plant shall be either a

batch plant or a ru) )i/ plant or a

continuous )i/ plant o% recognie

)anu%acture an shall be appro$e

b the S.6. t shall con%or) to there,uire)ents escribe hereuner.

he )i/ing plant shall ha$e a capacit

suite to the


34/52



concrete )i/es within the tolerances

prescribe in this Speci%ication all


Scales %or all weigh bo/es or hoppers

shall be o% the springless ial tpeaccurate to within ".* o% the

)a/i)u) loa that )a be re,uire.

Scale ials an pointers shall be

easil rea %ro) their operators

nor)al position without signi%icant

paralla/ errors. Scales shall be

substantiall constructe so that the

shall )aintain their accurac a%ter

initial a?ust)ent. he Contractor

shall %urnish not less than ten 2* g

test weights at the plant %or checinga?usting an calibrating scales.

ans %or storage o% bitu)en shall

ha$e a capacit suite to the propose

rate o% utiliation o% the )aterial an

the )etho an %re,uenc o% its

eli$er to the nor)all %our bins will be

re,uire. he %ee bins an gates shall

be so constructe an e,uippe that

the shall be reail accessible %or

calibrating at all ti)es an shall

pro$ie %or a continuous an uni%or)%low o% each aggregate re,uire in the

)i/.

he plant shall ha$e a rotar ru)

rer o% satis%actor esign %or ring

an heating the co)bine aggregate so

that its te)perature will be at the

re,uire le$el at the ti)e it is )i/e

with the bitu)en. he burner shall be

so esigne that co)plete co)bustion

o% the %uel will be obtaine an theaggregate will re)ain clean an not

beco)e coate with soot or oil.

he plant shall be e,uippe with %our

9or )ore: screens the s)allest o% which

shall generall be not )ore than 3.2

)). he screens shall ha$e a nor)al

capacit slightl in e/cess o% the

)a/i)u) output o% the )i/ing plant.

he screens shall be reail accessible

%or inspection.

he plant shall inclue %our 9or )ore:

storage bins %or screene aggregates

each with a capacit o% not less than

twice the pug)ill ea loa capacit.

he bins shall be arrange so as to

pro$ie separate r storage %or each

screene %raction o% the aggregate. +ach

bin shall be pro$ie with an o$er%low

pipe o% such sie an location as to

pre$ent an bacing up o% )aterial into

other bins. +ach bin shall be soconstructe that representati$e

aggregate sa)ples can be reail

obtaine an

Page &3+


35/52



shall ha$e )eans %or obser$ing the

aggregate le$el. Separate r storage

shall be pro$ie %or )ineral %iller an

the plant shall be satis%actoril

e,uippe to %ee %iller into the )i/er.

Satis%actor )eans b either weighing

or )etering shall be pro$ie to obtain

the prescribe a)ount o% bitu)en in

the )i/ within the speci%ie tolerance.

Means shall be pro$ie %or checing

the ,uantit or %low rate o% biner

entering the )i/er. Suitable )eans

shall be pro$ie %or )aintaining the

prescribe te)perature o% the bitu)en

in the pipelines weigh bucet or %low

)eter an spra bars.

&n ar)oure ther)o)eter with a

range o% 3" oC to 2"" oC shall be

%itte in the bitu)en %ee line at a

suitable location near the ischarge

$al$e at the )i/er unit. Suitable ial-

scale )ercur actuate ther)o)eters

electric pro)eters or other

ther)o)etric instru)ents shall be %itte

at the ischarge chute o% the rer an

in each hot aggregate storage bin toinicate the te)peratures o% the heate

aggregates.

he plant shall be e,uippe with a ust

collector so constructe as to waste the

)aterial collecte or %ee it uni%or)l

to the heate aggregate.

he plant shall be e,uippe with

ae,uate an sa%e stairwas to the

)i/ing plat%or) an sa)pling locations

an guare laers an cat-wals shall

pro$ie access to all other positions as

necessar %or proper operation

inspection an )aintenance o% the plant

all to the satis%action o% the S.6. &ll

gears pulles chains sprocets an

other angerous )o$ing parts shall be

properl guare an protecte. &)ple

an unobstructe space shall be

pro$ie on the )i/ing plat%or) an

clear an unobstructe passage shall

be )aintaine at all ti)es in anaroun

the truc loaing area which shall be

ept %ree %ro) rippings %ro) the

)i/er.

Special 'e,uire)ents %or (atch Plants

+ach storage bin %or screene aggregate

shall be pro$ie with a botto) outlet

gate so constructe as to pre$ent

leaage when close. hese gates shall

ha$e a ,uic an co)plete closing

action.

he plant shall be e,uippe with a

weigh bo/ or hopper %or accuratel

weighing out aggregate %ro) each o%

the screene aggregate storage bins.he weigh bo/ or hopper shall be

suspene %ro) its scales le$er

)echanis) an shall be su%%icientl

large to hol a %ull batch e,ual to the

pug)ill capacit without han raing

or spilling o% the aggregate. he

ischarge gate shall be so constructe

as to allow rapi an co)plete

e)pting o% the weigh bo/ or hopper

into the )i/er an pre$ent leaage

when close.

he plant shall be e,uippe with a

biner weigh bucet which shall be

charge through a %ast acting non-rip

$al$e in the biner %ee pipe locate

irectl o$er the bucet. he bucet

shall be suspene %ro) its scales le$er

)echanis) an shall ha$e a capacit

su%%icient to weigh out biner up to

2" o% the weight o% the pug)ill ea

loa capacit. he bucet shall ha$e a

ischarge )echanis) which shall

pro$ie %or rapi an co)plete

e)pting o% the bucet in a thin

uni%or) sheet or )ultiple spras o$er

the %ull length an with o% the )i/er.

he icharge )echanis) shall not lea

or rip when close.

he batch )i/er shall be a suitable

twinsha%t pug)ill with a capacit o% at

least *"" g o% asphaltic concrete

capable o% proucing a thoroughlho)ogeneous )i/ture. he clearance o%

the pale blaes %ro) all %i/e an

Cawangan Jalan, Ibu Pejabat JKR, K.LPage &37


36/52



)o$ing parts o% the )i/er shall be not

)ore than 2" )). % the pug)ill is not

enclose it shall be e,uippe with a

ust hoo to pre$ent loss o% %ines %ro)

the )i/ture. he ischarge gate shall

be so constructe as to allow rapi anco)plete e)pting o% the )i/er an

pre$ent leaage o% an )i/ constituent

when close.

he )i/er shall be e,uippe with

an accurate ti)e loc sste) %or

controlling the operations o% a co)plete

)i/ing ccle. t shall loc the

aggregate weigh bo/ or hopper gate

a%ter charging the )i/er with aggregate

until the closing o% the )i/er gate at theco)pletion o% the )i/ing ccle> it shall

loc the biner weigh bucet ischarge

)echanis) uring the r )i/ing an

wet )i/ing perios. 9he r )i/ing

perio is e%ine as the inter$al o% ti)e

between the opening o% the aggregate

weigh bo/ or hopper gate an the start

o% ischarging the biner weigh bucet.

he wet )i/ing perio is e%ine as the

inter$al o% ti)e between the start o%

ischarging the biner weigh bucetan the opening o% the )i/er gate.:

he r an wet )i/ing perios shall

both be a?ustable in incre)ents o% not

)ore

than * secons %ro) ero to not less

than

12" secons total %or r an

wet )i/ing.

Special 'e,uire)ents %or Dru) Mi/

Plants

he col )aterial %eeer unit shall

consist o% not less than * co)part)ents

with suitable heape capacit

appropriate %or the plant. +ach bin

shall be pro$ie with a control gate

an )easuring %eeer suitable %or

accurate

blening o% the aggregates on to the

col %ee collecting con$eor. he col

%ee sste) shall incorporate a e$ice

%or )oisture co)pensation capable o%

proucing an accurate an continuous

blen o% the ini$iual aggregate

sies %ro) the col %ee co)part)ent.

he ru) )i/er shall be o% an incline

oil-%ire an parallel %low tpe in which

the aggregates an e/haust gases %low

in the sa)e irection. he ru) )i/er

length to ia)eter ratio shall be such as

to ensure e%%icient ring an inti)ate

)i/ing o% aggregate %iller an biner

o$er the %ull range o% rate operating

e%%iciencies. & bpass chute shall be

incorporate %or sa)pling o% col

aggregate.

Ereshl )i/e )aterial shall beeli$ere an store in a surge

silo through a proper con$eor

sste).

Special 'e,uire)ents %or Continuous

Mi/ Plants

+ach storage bin %or screene aggregate

shall be pro$ie with an accuratel

controlle $ariable ori%ice gate

ischarging on to an aggregate %ee)echanis). he ischarge ori%ice shall

be rectangular with one i)ension

$ariable b )eans o% an a?ustable an

locable gate which shall ha$e an

inicator showing the istance it is

open. hese gates shall be use %or

accuratel proportioning the screene

aggregates

%or the )i/.

he plant shall ha$e )eans o%

calibrating the aggregate bin ischarge

gate openings b weighing test

sa)ples obtaine b i$erting the

aggregate %e out o% each bin into a

suitable test bo/. est bo/es shall ha$e

a capacit o% not less than 1"" g each.

he plant shall ha$e satis%actor )eans

o% e%%ecting positi$e interlocing control

between the %low o% screene

aggregates %ro) the storage bins an

the %low o% biner %ro) the )eter orother proportioning e$ice. his control

shall

Cawangan Jalan, Ibu Pejabat JKR, K.LPage &3)


37/52



be acco)plishe b interlocing

)echanical )eans or another

positi$e )etho satis%actor to the

S.6.

he continuous )i/er shall be asuitable twin-sha%t pug)ill with an

a?ustable a) an pales with

re$ersible blae pitch %or a?usting the

$olu)e o%

)i/ture hel in the pug)ill. he

clearance o% the pale blaes %ro) all

%i/e parts o% the )i/er shall be not

)ore than 2" )). he biner shall be

%e into the )i/er through a spra bar

irecte on to the aggregate across the

%ull with o% the pug)ill at the %eeen. he ischarging )i/ture shall pass

o$er the a) into a hopper with a

ischarge gate so constructe as to

allow rapi an co)plete e)pting o%

the hopper an pre$ent leaage o% the

)i/ when close. he )i/er shall be

e,uippe with a per)anent gauge %or

)easuring the

epth o% )i/ture in the pug)ill an a

)anu%acturers calibration plate showing

the $olu)e o% )i/ture in the pug)ill ateach incre)ent o% epth.

he )i/ing ti)e shall be

eter)ine using the %or)ula =-

Mi/ing ti)e 9secons: I

Dea weight o% )i/ in pug)ill 9g:

Pug)ill output 9g per secon:

an %or a gi$en output it )a be $arie

slightl b a?usting the epth 9an

hence weight: o% the )i/ture hel in

the pug)ill b $aring the a) height

the con%iguration o% the pale blaes

or both. owe$er %or substantial

a?ust)ents o% the )i/ing ti)e in

orer to )aintain the epth at a le$el

co)patible with e%%icient )i/ing i.e. so

that the pale tips ?ust brea out o% the

)i/ture at the height o% their action the

rate o% %ee o% )aterials to the )i/er

9an hence output: shoul be change.

9c: ip-rucs

he Contractor shall pro$ie a suitable

nu)ber o% tip-trucs o% a tpe appro$e

b the S.6. %or transporting asphaltic

concrete %ro) the )i/ing plant to the

pa$ing wors. he trucs shall ha$e

tras with s)ooth %lat bes an sies

an shall ha$e loa capacities o% not

less than * tonnes. Prior to loaing the

insie o% each truc tra shall be

lightl an e$enl coate with a soap

or etergent solution or such other

li,ui as the S.6. shall appro$e to

pre$ent ahesion o% the asphaltic

concrete. he trucs shall be e,uippe

with co$ers o% can$as or other suitable)aterial to protect the asphaltic

concrete.

9: &sphalt Pa$er

he asphalt pa$er shall be o%

recognie )anu%acture an shall be

appro$e b the S.6. t shall con%or)

to the re,uire)ents escribe

hereuner.

he pa$er shall be sel%-propelle an

capable o% re$erse as well as %orwar

tra$el. t shall be e,uippe with a

hopper at the %ront esigne to recei$e

the pa$ing )i/ture %ro) tip-trucs an

shall ha$e a )echanical istribution

sste) %or spreaing the )i/ture

e$enl

an without segregation o$er the

sur%ace to be pa$e in %ront o% a

screeing an co)pacting unit which

shall be e,uippe with a suitable

heating e$ice. he screeing an

co)pacting )echanis) shall be capable

o%

con%ining the eges o% the )aterial

being lai without the use o%

stationar sie %or)s shall be

a?ustable to strie o%% the )i/ture to

the thicness an cross-section shape

re,uire an shall be controlle b an

auto)atic le$elling e$ice to prouce

an e$en carpet o% bitu)inous )i/turewith a uni%or) sur %ace te/ture %ree

%ro) inentations

riges tear )ars or other irregularities.


38/52

Cawangan Jalan, Ibu Pejabat JKR, K.LPage &3.


39/52



he pa$er shall be capable o% laing

the bitu)inous )i/ture in pa$ing

withs in the range 2.* to 3.7* ) an

o% %inishing the pa$e)ent laer true to

the re,uire lines graes le$els

i)ensions an cross-sections sub?ectto co)paction b rolling all to the


9e: 'ollers

& pneu)atic tre roller an two

steel wheele tane) rollers shall be

pro$ie. owe$er a three wheele

steel roller )a be substitute %or one

o% the tane) rollers i% the S.6. shall soappro$e. &ll rollers shall be o%

recognie )anu%acture an shall be

appro$e b the S.6.

he pneu)atic tre roller shall be

as speci%ie in Sub-Section 4.2.3.3

9g:. Steel wheele rollers shall

con%or) to the re,uire)ents

escribe hereuner.

Steel wheele rollers shall be sel%- propelle an capable o% being re$erse

without baclash> the shall be e,uippe

with power steering an ual controls

allowing operation %ro) either the le%t

or right sie. he shall be e,uippe

with water tans sprinler sste)s an

scraper blaes to eep all wheels e$enl

wette an clean uring operation.

+ach steel wheele roller shall be

ballaste so that its total

operating

weight is in the range 8 to 1" tonnes

an its ri$en roll 9or rolls: shall e/ert a

rolling %orce o% not less than 3.*

tonnes5)etre o% roll with. he

Contractor shall pro$ie the S.6. with a

calibration chart %or each roller showing

the relationships between the ,uantit

or epth o% ballast an total weight an

rolling %orce.

4.2.4.* Construction Methos


&sphaltic concrete pa$ing wor

shall onl be carrie out in r

weather when the sur%ace to be

co$ere is r or i% so

speci%ie has recei$e a

bitu)inous tac coat which shall

ha$e achie$e a satis%actor

egree o% taciness all to the

satis%action o% the S.6. &ll

laing rolling an %inishing

wor shall be carrie out uring

alight hours unless the Contractor

shall ha$e pro$ie suitable %loo-lighting %or the ?ob site to the


he S.6. )a orer the

iscontinuation o% wor on account

o% a$erse weather unsatis%actor

conition o% )aterials e,uip)ent

or sur%ace to be pa$e or such

other conitions as he shall

consier etri )ental to the wor.

9b: Sur%ace Preparation an Cleaning

Prior to constructing an asphaltic

concrete pa$e)ent laer the sur%ace

to be co$ere shall ha$e been

prepare in accorance with the

appropriate Sections o% this

Speci%ication. ;otwithstaning an

earlier appro$al o% this sur%ace an

a)age to or eterioration o% it shall

be )ae goo be%ore asphaltic

concrete pa$ing wor is co))ence.

% the sur%ace to be co$ere is not

to be pro$ie with a bitu)inous

tac coat then i))eiatel prior to

co))encing asphaltic concrete

pa$ing it shall be swept using a

power broo) %ollowe b a

co)presse air blower an i%

necessar scrape using han

tools to re)o$e all loose particles

irt ust an other ob?ectionable

Cawangan Jalan, Ibu Pejabat JKR, K.LPage &&3


40/52



)aterial all to the satis%action o% the

S.6.

% the sur%ace to be co$ere is to be

pro$ie with a bitu)inous tac coat

then this shall be applie all inaccorance with the pro$isions o%

Sub- Section 4.2.2.

9c: &ggregate anling an eating

+ach aggregate to be use in the

asphaltic concrete )i/es shall be store

in a separate stocpile near the )i/ing

plant. Stocpiles o% san an other

%ine aggregates shall be ept r using

waterproo% co$ers an other )eans asnecessar. n placing the aggregates in

the stocpiles an loaing the) into

the )i/ing plants col aggregate %ee

bins care shall be taen to pre$ent

segregation or uncontrolle co)bination

o% )aterials o% i%%erent graation.

Segregate or conta)inate )aterials

shall be rescreene or re?ecte %or use in

the


41/52



he hot aggregates an %iller shall

be ischarge into the pug)ill an

)i/e r %or the r )i/ing ti)e

prescribe in the ?ob )i/ %or)ula

which shall usuall be in the range

* to 1" secons. he hot binershall then be ae an wet )i/ing

per %or)e %or the wet )i/ing ti)e

prescribe in the ?ob )i/ %or)ula>

this shall be su%%icient so that all

particles o% aggregate are uni%or)l

coate with bitu)en an shall

usuall be 4* secons or )ore %or

ense grae )i/tures.

he $olu)e o% each batch shall be

such that the tips o% the pug)ill pale blaes ?ust brea out o% the

)i/ture at the height o% their

action.

&%ter the co)pletion o% wet )i/ing

each batch o% asphaltic concrete

shall be ischarge %ro) the pug)ill

either into a storage hopper or

irectl into a truc %or hauling to

the pa$ing site. Care shall be

taen that no segregation o% the)i/ occurs.

Mi/ing in Continuous Mi/ Plants

he screene hot aggregates an

%iller shall be %e continuousl %ro)

their storage bins in accorance with

the proportions prescribe in the

appropriate ?ob )i/ %or)ula

co)bine in the plant an %e

continuousl into the )i/er. he

hot biner shall be sprae on to the

co)bine aggregate as it enters the

pug)ill at the rate re,uire to

achie$e the bitu)en content pre

scribe in the ?ob )i/ %or)ula. he

)aterials shall then be carrie

through the pug)ill an in the

process be thoroughl )i/e b

the action o% the pales an is

charge o$er the a) into the stor

age hopper. he )i/ing ti)e 9as

e%ine in Sub-Section 4.2.4.4 9b:


shall be as prescribe in the ?ob

)i/ %or)ula> this shall be

su%%icient so that all particles o%

aggregate are uni%or)l coate

with bitu)en an shall usuall be

4* secons or )ore %or ense

grae )i/tures.

he plant shall be so a?uste as to

)aintain the le$el o% )i/ture in the

pug)ill such that the tips o% the

pale blaes ?ust brea out o% the

)i/ture at the height o% their

action.

9%: ransportation o% &sphaltic

Concrete

&sphaltic concrete shall be

transporte %ro) the )i/ing plant

to the site o% the pa$ing wors in

loas o% not less than * tonnes

using

tip-trucs as speci%ie in

Sub-Section 4.2.4.4 9c:. +/cept

where asphaltic concrete is to be

han lai it shall be ischargeirectl into the pa$er hopper as

re,uire %ro) the tip-trucs. Care

shall be taen in the truc loaing

hauling an unloaing operations to

pre$ent segregation o% the )i/.

During transportation the asphaltic

concrete shall be protecte %ro)

conta)ination b water ust irt

an other eleterious )aterials.

he te)perature o% asphaltic

concrete i))eiatel be%ore

unloaing %ro) the truc either

into the pa$er hopper or on to the

roa %or han spreaing shall be

not less than 12*JC. &n loa

which has coole below the

speci%ie te)perature in the truc

shall be re?ecte %or use in the


42/52

S.6.

Page &&*


43/52



#enerall each pa$ing laer shall

ha$e a co)pacte thicness o% not

less than twice the no)inal

)a/i)u) aggregate sie o% the

)i/ture an not )ore than 1""

)).


44/52



ne$ertheless the te)perature o%

asphaltic concrete at the

co))ence)ent o% rolling shall be

not less than 11"JC.

n an areas inaccessible to the

rollers proper co)paction shall be

carrie out using $ibrating plate

co)pactors han ta)pers or other

suitable )eans all to the


nitial 9or breaown: rolling shall

be carrie out with an appro$e

steel wheele tane) roller or three

wheele steel roller. he principal

hea$ rolling shall be carrie out

with an appro$e pneu)atic tre

roller i))eiatel %ollowing the

initial rolling> the pneu)atic tre

roller shall be ballaste to an

operating weight o% not less than 1*

tonnes an its tre in%lation pressure

shall be not less than ".7 ;5s,.)).

he %inal rolling shall be carrie out

with an appro$e steel wheele

tane) roller an shall ser$e to

eli)inate )inor sur%ace

irregularities le%t b the pneu)atictre roller.

&ll rollers shall operate in a

longituinal irection along the

carriagewa with their ri$en wheels

towars the pa$er. 'olling shall

generall co))ence at the lower

ege o% the pa$e with an

progress uni%or)l to the higher

ege e/cept that where there is a

longituinal construction ?oint at thehigher ege this shall be rolle %irst

ahea o% the nor)al pattern o%

rolling. #enerall successi$e roller

passes shall o$erlap b hal% the

with o% the roller an

the points at which the roller is

re$erse shall be staggere.

owe$er when operating on

graients in e/cess o% 4 the

breaown roller shall not pass

o$er an pre$iousl unrolle )i/

when operating in the ownhill

irection.

n all cases co)paction shall be

carrie out in such a )anner

that each section recei$es e,ual

co)pacti$e e%%ort all to the


he steel wheele rollers shall

operate at spees o% not )ore than

* )5hr an the pneu)atic trerollers shall operate at spees o%

not )ore than 8 )5hr. ;o roller

or



45/52

Page &&4


46/52



hea$ $ehicle shall be allowe to

stan on newl lai bitu)inous )i/

be%ore co)paction has been

co)plete an the )aterial has

thoroughl coole an set. 'olling

shall continue as long as isnecessar to achie$e the appropriate

re,uire)ent as %ollows =-

Ty/e 2 Pave&en"

Laye5

Re9*i5e7 #2&/a6"e7

Densi"y

ea5ing 62*5se ( - 1% Ma5s!a33

7ensi"y

Bin7e5 62*5se ($ - 1% Ma5s!a33

7ensi"y

Care shall be taen to pre$ent

o$er- co)paction o% asphaltic

concrete.

their withs shall be e$erwhere at

least those speci%ie or shown on the


centre-line> >

the a$erage thicness o$er an

1"" )etre length shall be not less

than the re,uire thicness an

the )ini)u) thicness at an

point shall be not less than the

re,uire thicness )inus * )).

he top sur%ace o% a wearing or

biner course shall ha$e the



e$erwhere within the tolerances

speci%ie in

Sub-Section 4.4.

9: 6pening to ra%%ic

&sphaltic concrete shall not be

opene to tra%%ic until co)paction

has been co)plete an the

)aterial has thoroughl coole an

set in the

opinion o% the S.6. his will

usuall be not less than 4 hours

a%ter the co))ence)ent o% rolling.


47/52

Ty/e 2 Pave&en"

Laye5

Re9*i5e7 #2&/a6"e7

Densi"y

B2*n7 52a7;ase ( - 1% Ma5s!a33

7ensi"y

Leve33ing 62*5se ( - 1% Ma5s!a33

7ensi"y

Bin7e5 62*5se ($ - 1% Ma5s!a33

7ensi"y

ea5ing 62*5se ( - 1% Ma5s!a33

7ensi"y



4%*%5 !it6ino6s $acada

4.2.*.1 Description


%urnishing placing shaping anco)pacting bitu)inous )acaa)

roabase

an5or le$elling course an5or biner

course an5or wearing course on a

prepare an accepte bitu)inous or

bitu)en pri)e pa$e)ent course

an shall inclue the care%ul an

thorough cleaning o% sur%aces which

are to be co$ere without recei$ing

a bitu)inous tac coat. he wor

shall be carrie out all in accorancewith this Speci%ication an the lines

le$els graes i)ensions an cross-

sections shown on the Drawings

an5or as re,uire b the S.6.

4.2.*.2 Materials

he )aterials %or bitu)inous

)acaa) 9aggregates )ineral %iller

bitu)inous biner an anti-stripping

agent: shall co)pl with all there,uire)ents o% Sub-Section 4.2.4.2

e/cept %or the co)bine graation

re,uire)ents.

Eor each bitu)inous )acaa) )i/

the graation o% the co)bine

coarse an %ine aggregates together

with orinar Portlan ce)ent

ae as

an ahesion an anti-stripping

agent an i% necessar an other

)ineral %iller shall con%or) to the

appropriate en$elope gi$en in able

4.12. he biner content shall also

be in accorance with able 4.12.


48/52



he Marshall ensit o% a

bitu)inous )acaa) )i/ is

e%ine as the a$erage ensit o% a

set o% three test speci)ens )oule

in the sa)e wa as asphaltic

concrete speci)ens are prepare %or the stanar stabilit an %low test

in accorance with &&S6 est

Metho 24* using the 7* blows

per %ace co)paction stanar. he

bul speci%ic gra$it o% the

speci)ens shall be eter)ine in

accorance with &&S6 est

Metho 100.

he Marshall ensit o% each )i/

shall be eter)ine using a sa)ple9or sa)ples: taen %ro) the )i/ing

plant soon a%ter the co))ence)ent

o% preparing each )i/ %or the

its with shall

be e$erwhere at least that speci%ie

or shown on the Drawings on both

sies o% the centre-line> an its

a$erage thicness o$er an 1""

)etre length shall be not less

than the re,uire thicness. he

top sur%ace o% bitu)inous

)acaa) roabase shall ha$e the



e$erwhere within the tolerances

speci%ie in Sub-Section 4.4.2.

(itu)inous )acaa) le$elling

course shall be %inishe in a neat

an wor)anlie )anner> its

i)ensions shall be as speci%ie or

shown on the Drawings or as

irecte b the S.6. all to the

satis%action o% the S.6. he top

sur%ace o% bitu)inous )acaa)

le$elling course shall ha$e the



e$er where within the tolerances

%or biner course speci%ie in Sub-

Section 4.4.

(itu)inous )acaa) biner anwearing courses shall be %inishe in

a neat an wor)anlie )anner>

their withs shall be e$erwhere at

least those speci%ie or shown on the


centre-line> the a$erage thicness

o$er an 1"" )etre length shall be

not less than the re,uire thicness

an the )ini)u) thicness at an

point shall be not less than the

re,uire thicness )inus * )). hetop sur%ace o% a wearing or biner

course shall ha$e the re,uire shape

superele$ation le$els an graes

an shall be e$erwhere within the

tolerances speci%ie in Sub-

Section

4.4.

Cawangan Jalan, Ibu Pejabat JKR, K.LPage &&7


49/52



TABLE 4.1' - GRADATION LIMITS AND BINDER #ONTENTS

FOR BITUMINOUS MA#ADAM

Mi= Ty/e B2*n7R2a7;

as e

B2*n7R2a7;ase

Leve33ing#2*5se

Bin7e5 #2*5se

Bin7e5 #2*5se

ea5ing#2*5se

ea5ing#2*5se=

Mi=Designa"

i2 n

BMR4 BMR' BML1 BMB' BMB' BM14 BM'

B.S. Tes"Sieve

%Passing

;y eig!"

$. &&+).$ &&'. &&'. &&

14. &&1. &&,.+ &&+.+$ &&1.1 &&+ &&)$ &&

1($ - 1) - (4

-

$, - ),-

44 - ,+' - 4,

-) - '1' - (

-1

( - 1)1 - ($

$, - -

44 - ,+1 - 4$

-) - '1' -

----

1$ - 1+ - ,1$ - '$

--

' - ,

-1

( - 1)1 - ($

$ - '-

44 - ,+' - 4,

-) - '1' -

--

1($ - 1

,$ - $$' - )'+( - $$+' - 4,

-) - '1' -

---

1

($ - 1) - (4$ - ,$+ - 4$1$ - +

-+ - )

--

1($ - 1

,$ - $$' - )'+( - $$+' - 4,

-) - '1' -

Bin7e5 #2n"en"

+.$

K

.$%

4.

K

.$%

$.1

K

.$%

4.)

K

.,%

4.)

K

.,%

$.

K

.$%

4.(

K

.$%

Cawangan Jalan, Ibu Pejabat JKR, K.LPage &&)


50/52



4%, SO'L(ERS

4.3.1 Description


%urnishing co)pacting an shapingearth or gra$el shouler )aterial on

a prepare an accepte subbase or

lower subbase or subgrae all in

accorance with this Speci%ication

an the lines le$els graes

i)ensions an cross-sections shown

on the Drawings an5or as re,uire

b the S.6.

Eor pa$e shoulers the bitu)inous

sur%acing an unerling pa$e)entcourses shall be constructe as

escribe in the appropriate Sections

o% this Speci%ication.

4.3.2 Materials

4.3.2.1 +arth Shoulers

+arth shouler )aterial shall

be suitable )aterial as

escribe in Sub-Section2.2.1.

4.3.2.2 #ra$el Shoulers

#ra$el shouler )aterial shall

con%or) to the re,uire)ents %or

gra$el sur%acing )aterial set

%orth in Sub-Section 4.1.3.2.

4.3.3 Construction Methos

Shoulers shall be constructe in

stages or in one operation as

irecte or appro$e b the S.6.

but in no instance shall a shouler

be built up to a le$el higher than

that part o% the abutting carriagewa

structure which has been co)plete

an accepte.

Prior to placing an shouler

)aterial the unerling subbase or

lower subbase or subgrae shallha$e been shape an co)pacte in



Sub-Section 4.1.2.3 an the abutting

carriagewa structure course or

courses shall liewise ha$e been

shape an co)pacte in accorance

with

section4 felxible pavement

Documents