section4 felxible pavement
TRANSCRIPT
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Standard Specification For Road Works
SECTION 4
FLEXIBLE PAVEMENT
Cawangan Jalan, Ibu Pejabat JKR, K.LPage 75
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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$el Sur%acing S4-814.1.3.2 Materials S4-81
4.1.3.3 Construction Methos S4-82
4.1.4 Crushe &ggregate 'oabase S4-83
4.1.4.1 Description S4-83
4.1.4.2 Materials S4-83
4.1.4.3 Construction Methos S4-84
4%* !IT'$INO'S P"#E$ENT CO'RSES S4-)5
4.2.1 (itu)en Pri)e Coat S4-8*4.2.1.1 Description S4-8*
4.2.1.2 Materials S4-8*
4.2.1.3 +,uip)ent S4-8*
4.2.1.4 Construction Methos S4-87
4.2.2 (itu)inous ac Coat S4-88
4.2.2.1 Description S4-88
4.2.2.2 Materials S4-88
4.2.2.3 +,uip)ent S4-88
4.2.2.4 Construction Methos S4-8!
4.2.3 (itu)inous Sur%ace Dressing S4-!"
4.2.3.1 Description S4-!"
4.2.3.2 Materials S4-!"
4.2.3.3 +,uip)ent S4-!1
4.2.3.4 Construction Methos S4-!3
Cawangan Jalan, Ibu Pejabat JKR, K.LPage 7+
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Page
4.2.4 &sphaltic Concrete S4-!!
4.2.4.1 Description S4-!!
4.2.4.2 Materials S4-!!
4.2.4.3 &sphaltic Concrete Mi/ Design S4-1"2
4.2.4.4 +,uip)ent S4-1"*
4.2.4.* Construction Methos S4-11"
4.2.* (itu)inous Macaa) S4-110
4.2.*.1 Description S4-110
4.2.*.2 Materials S4-110
4.2.*.3 +,uip)ent S4-110
4.2.*.4 Construction Methos S4-110
4%, SO'L(ERS S4-&&.
4.3.1 Description S4-11!
4.3.2 Materials S4-11!
4.3.2.1 +arth Shoulers S4-11!
4.3.2.2 #ra$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
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Standard Specification For Road Works
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$er the %ull with o% the
%or)ation to the re,uire
thicness as shown on the
Drawings or irecte b the
S.6. in one laer or )ore each
laer not e/ceeing 2"" ))co)pacte thicness.
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Standard Specification For Road Works
he lower subbase shall be
%inishe in a neat an wor)an
lie )anner an shall ha$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
his wor shall consist o%
%urnishing placing co)pacting
an shaping subbase )aterial
on
a prepare an accepte subgrae
or lower subbase in accorance
with this Speci%ication an the
lines le$els graes i)ensions
an cross-sections shown on the
Drawings an5or as re,uire b
the S.6.
4.1.2.2 Materials
Subbase )aterial shall be a
natural or prepare aggregate
co)prising crushe roc
weathere or %rag)ente roc
gra$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.
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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+-)-'$
4.1.2.3 Construction Methos
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.
;otwithstaning an earlier
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$er the %ull with o% the
%or)ation to the re,uire thicness
as shown on the Drawings or
irecte b the S.6. in one laer
or )ore each laer not e/ceeing
2"" )) co)pacte thicness.
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he subbase shall be %inishe in
a neat an wor)anlie )anner>
its with shall be e$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$el Sur%acing
4.1.3.1 Description
his wor shall consist o%
%urnishing placing co)pacting
an shaping gra$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 $alue
when teste in accorance
with M.S. 3" shall be not
)ore than 3*>
i$: 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 )&
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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(' $alue o% 3"
or )ore when co)pacte to
!* o% the )a/i)u) r
ensit eter)ine in the (.S.
1377
Co)paction est 94.* g
ra))er )etho: an soae %or
4 as uner a surcharge o% 4.*
g.
4.1.3.3 Construction Methos
Prior to placing an gra$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.
;otwithstaning an earlier
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
length shall be not less than the
re,uire thicness an its
)ini)u) thicness at an point
shall be not less than the
re,uire thicness )inus 2"
)).
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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
FOR INTERNAL USEONLY
Standard Specification For Road Works
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
his wor shall consist o%
%urnishing placing co)pacting
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
Drawings an5or as re,uire b
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
when teste in accorance
with M.S. 3" shall be not
)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:
when teste in accorance
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
Co)paction est 94.* g
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
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4.1.4.3 Construction Methos
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
accorance with the pro$isions o%
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
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% 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
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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
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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
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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
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% 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
his wor shall consist o% the
care%ul an thorough cleaning o%
the sur%ace o% a prepare an
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
Speci%ication an the lines
i)ensions an cross-sections
shown on the Drawings an5or
as re,uire b the S.6.
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 ))
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4.2.2.4 Construction Methos
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.
;otwithstaning an earlier
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
to the satis%action o% the S.6.
he sur%aces o% structures
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
)aterial. (itu)inous )aterial
shall not be ischarge into
roa rains gutters etc.
Cawangan Jalan, Ibu Pejabat JKR, K.LPage ).
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FOR INTERNAL USEONLY
Standard Specification For Road Works
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
his wor shall consist o% the
care%ul an thorough cleaning o%
the sur%ace o% a prepare an
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
in accorance with this
Speci%ication an the lines
i)ensions an cross-sections
shown on the Drawings an5or
as re,uire b the S.6.
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Standard Specification For Road Works
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
application o% bitu)inous
)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)
sulphate sounness test 9*
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
when teste in accorance
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
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 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
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Standard Specification For Road Works
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
the satis%action o% the S.6.
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.
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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.
4.2.3.4 Construction Methos
9a: #eneral Conitions
(itu)inous sur%ace ressing
shall onl be carrie out in
r war) weather when
the sur%ace to be treate is
r.
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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.&
FOR INTERNAL USEONLY
Standard Specification For Road Works
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
the satis%action o% the S.6.
n ouble bitu)inous sur%ace
ressing construction the
sur%ace o% the %irst
application o% bitu)inous
)aterial an co$er aggregate
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
application o% bitu)inous
)aterial an co$er aggregate
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
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Standard Specification For Road Works
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.
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Standard Specification For Road Works
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
the satis%action o% the S.6.
))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).
he sur%aces o% structures
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
)aterial. (itu)inous )aterial
shall not be ischarge into
roa rains gutters etc.
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
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N2&ina3Size
Ra"e 2 A//3i6a"i2n2 Agg5ega"e
' &&
14 &&
1 &&
, &&
1) 0 ')
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FOR INTERNAL USEONLY
Standard Specification For Road Works
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.
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FOR INTERNAL USEONLY
Standard Specification For Road Works
%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
his wor shall consist o%
%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
in accorance with this
Speci%ication an the lines
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
satis%action o% the S.6.
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
when teste in accorance
with M.S. 3" shall be not
)ore than 3">
ii: the weighte a$erage loss o%
weight in the soiu)
sulphate sounness test 9*
ccles:
when teste in accorance
with &&S6 est Metho 1"4 shall be not )ore than
12>
iii: the %lainess ine/ when
teste in accorance with
M.S. 3" shall be not
)ore than 3">
i$: the water absorption when
teste in accorance with
M.S. 3" shall be not )orethan 2>
$: the polishe stone $alue
when teste in accorance
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.
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Standard Specification For Road Works
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:
when teste in accorance
with &&S6 est Metho
1"4 shall be not )ore than
12>
ii: the water absorption when
teste in accorance with
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
+ -
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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
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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.% - ,.%
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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
? $
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$: 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
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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
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concrete )i/es within the tolerances
prescribe in this Speci%ication all
to the satis%action o% the S.6.
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
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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
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)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
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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.
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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
satis%action o% the S.6.
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
9a: #eneral Conitions
&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
satis%action o% the S.6.
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
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)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
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Standard Specification For Road Works
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:
Cawangan Jalan, Ibu Pejabat JKR, K.L
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
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S.6.
Page &&*
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Standard Specification For Road Works
#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""
)).
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Standard Specification For Road Works
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
satis%action o% the S.6.
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
satis%action o% the S.6.
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
Cawangan Jalan, Ibu Pejabat JKR, K.L
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Page &&4
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Standard Specification For Road Works
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
Drawings on both sies o% 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
re,uire shape superele$ation
le$els an graes an shall be
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.
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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
FOR INTERNAL USEONLY
Standard Specification For Road Works
4%*%5 !it6ino6s $acada
4.2.*.1 Description
his wor shall consist o%
%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.
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Standard Specification For Road Works
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
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.
(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
re,uire shape superele$ation
le$els an graes an shall be
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
Drawings on both sies o% 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
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Standard Specification For Road Works
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
.$%
Cawangan Jalan, Ibu Pejabat JKR, K.LPage &&)
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Standard Specification For Road Works
4%, SO'L(ERS
4.3.1 Description
his wor shall consist o%
%urnishing co)pacting an shapingearth or gra$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$e been shape an co)pacte in
accorance with the pro$isions o%
Cawangan Jalan, Ibu Pejabat JKR, K.L
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