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COMPANY PROFILE SUB-CONTRACTOR
RME SDN BHD is the main contractor for this project and sub-contractor for construction
cast in situ for 600mm diameter bored piled is Samalaju Engineering SDN BHDformel!
"no#n as Hue! $ian Engineering Sdn Bhd% Samalaju Engineering Sdn Bhd is a ground and
foundation engineering specialist #ith o&er '0 !ears of trac" records and e(perience in
pro&iding geotechnical and foundation "no# ho# in Mala!sia)s foundation * piling #or"s
industr!% $he! belie&e that #ith them e(tensi&e bored pile jet grouting and diaphragm #all
e(pertise together #ith the necessar! e+uipment manpo#er and technical capabilities and the
impressi&e trac" records the! #ould ser&e as a beneficial ad&antage in a proposed
collaboration #ith client)s in achie&ing commitments to current projects to meet client)s
timeline and budget%
,n the anticipation of the increase &olume of ongoing and future foundation #or"s the! ha&e
purchased addition piling tools and e+uipments from the leading European and apanese
manufacturers in meeting different t!pe of difficult ground condition and in meeting client)s
#or" program and re+uirements b! pro&iding the necessar! e(pertise and capabilities to
underta"e foundation #or"s successfull!%
$he! are confident that #ith current resources of manpo#er and e+uipments #ill pro&ide the
necessar! e(pertise and capabilities to embar" on an! of client)s successful secured project%
$he major foundation #or"s e(pertise are .
/ 1iling 2or"s
/%/ Marine Bored 1ile
/%' Bored 1ile b! Re&ersed 3irculation Method or R3D
/%4 Bored 1ile b! Rotar! 3asing * 5ell! Drilling Method
/% Barrette 1ile
/%7 3aisson 1ile
' Retaining 2all 2or"s
'%/ Diaphragm 2all
'%' 3ontiguous Bored 1ile 2all
'%4 Secant 1ile 2all
'% et 8routing 2all
4 Soil ,mpro&ement 2or"s
4%/ et 8routing
4%' 3hemical 8routing
4%4 3ement 1ressure 8routing
Retaining S!stems%/ 8round 9nchors
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%' ,nternal Steel Strut :1reload S!stem
7 Basement 3onstruction
7%/ Earth 2or"s
7%' 1ilecaps 2or"
7%4 R%3% 2or"s
CORPORATE DETAILS
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Registered Business Name . H;E< $,9N EN8,NEER,N8 SDN
BHD :29==B,=$ SDN BHD
Registered 9ddress . Suite D'4 'nd>loor
1la?a 1e"elilingNo% ' alan $un Ra?a"
7000 5uala =umpur%
Business 9ddress . No% '/-@ alan ;S A * 7
Subang Business 3entre
@6'0 ;E1 Subang a!a
Selangor Darul Ehsan
Mala!sia%
$elephone Number . 04-C0'7 /0C6
$elefa( Number . 04-C0'4 @A0C
Business Registration Number . @6A06 M
Nature of Business . 8eotechnical and >oundation
Engineering 2or"s
Email 9ddress . hue!tianhotmail%com
ORGANISATION CHART
=o# Boon 3h!e :Director2ang
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DRAWING AND LAYOUT PLAN
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GENERAL SPECIFICATION
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PILING WORKS
DES3R,1$,FN
$his #or" shall consist of the suppl! installation and testing of piles in accordance #ith this
Specification and the lines le&els grades and cross-section sho#n on the Dra#ings and as
directed b! the S%F%
8ENER9= RE;,REMEN$S >FR $F=ER9N3ES
Setting Out
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Setting out shall be carried out using the data and references points as sho#n on the
Dra#ings% ,mmediatel! before installation of the pile the pile position shall be mar"ed #ith
suitable identifiable pins pegs or mar"ers%
Position
>or a pile cut off at or abo&e ground le&el the ma(imum permitted de&iation of the pile centre
from the centre points sho#n on the Dra#ings shall not e(ceed @7 mm in an! direction% >or a
pile cut off belo# ground le&el an increase in this tolerance is permitted in accordance #ith
&erticall! and ra"e here in belo#%
e!ti"#$$%
$he ma(imum permitted de&iation of the finished pile from the &ertical is / in @7
R#&e
$he piling rig shall be set and maintained to attain the re+uired ra"e% $he ma(imum permitted
de&iation of the finished pile from the specified ra"e or the ra"e sho#n on the Dra#ings is /
in '7%
Fo!"i'$e Co!!e"tions
>orcible 3orrections to concrete piles shall not be permitted% >orcible corrections ma! be
permitted to other t!pes of piles if appro&ed b! the S%F% Ho#e&er no forcible corrections
shall be made to piles #hich ha&e de&iated be!ond the permissible limits specified in
1osition Gerticall! and Ra"e abo&e%
Pi$es Out o( A$ign)ent o! Position
$he 3ontractor shall if ordered b! the S%F% e(tract and reinstall an! pile #hich has de&iated
out of position or alignment b! more than the specified limits or alternati&el! the
substructure shall be modified to the appro&al of the S%F% $he cost of such e(traction and
reinstallation or an! e(tra cost in the design and construction of a modified foundation shall
be borne b! the 3ontractor if in the opinion of the S%F% such e(tra #or"s ha&e been made
necessar! due to the error and*or negligence of the 3ontractor%
Re"o!*s
$he 3ontractor shall "eep records of the installation of each pile as re+uired b! the S%F% and
shall submit t#o signed copies of these records to the S%F% not later than at noon of the ne(t
#or"ing da! after the pile has been installed% $he signed records shall from part of the
records for the 2or"s%
9n! une(pected dri&ing or boring conditions shall be noted in the records%
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BORED CAST +IN-PLACE PILES
Des"!i,tion
$his #or" shall comprise the boring or grabbing #ith or #ithout casing and subse+uentl!
filling the hole #ith plain or reinforced concrete to form bored cast-in-situ piles all in
accordance #ith this Specification and to the details sho#n in the Dra#ings%
M#te!i#$s
3oncrete and Reinforcement
$he concrete and reinforcement to be used and #or"manship for bored cast-in-situ piles shall
be as specified under Section A of this Specification% $he grade of concrete and the details of
reinforcement to be used shall be as sho#n on the Dra#ings%
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1ermanent 3asings
1ermanent casings #hich from part of the designed pile shall be as specified in the Dra#ings%
Drilling >luid
Drilling fluid material bentonite shall compl! #ith Specification No% D> 31 of the Fil
3ompanies Materials 9ssociation or its e+ui&alent% 9 certificate shall be obtained b! the
3ontractor from the manufacturer of the bentonite po#der sho#ing the properties of each
consignment deli&ered to the site% $his certificate shall be made a&ailable to the S%F% on
re+uest%
Bentonite shall be mi(ed thoroughl! #ith clean fresh #ater to ma"e a suspension #hich #ill
maintain the stabilit! of the pile e(ca&ation for the period necessar! to place concrete and
complete construction% 1reparation of the suspension shall compl! #ith the manufacturer)s
instructions%
2here saline or chemicall! contaminated ground #ater occurs special precautions shall be
ta"en to modif! the bentonite suspension or pre-h!drate the bentonite in fresh #ater to render
it suitable in all respects for the construction of piles%
Bo!ing O,e!#tions
Diameter of 1iles
$he diameter of piles shall not be less than the specified design diameter at an! le&el
throughout its length%
Boring
Boring shall be carried do#n to the depth as re+uired and directed b! the S%F%
2hen deemed necessar! b! the S%F% the 3ontractor shall ta"e undisturbed soil samples #hile
the pile is being bored% $he samples shall be ta"en to an appro&ed =aborator! for testing%
Sampling and all subse+uent handling and testing shall be carried out in accordance #ithB%S%7A40%
1iles shall not be bored close to other piles #hich ha&e recentl! been cast and #hich contain
#or"able or unset concrete such that a flo# of concrete could be induced from or damage
caused to an! of the pile
$emporar! 3asings
$emporar! casings of appro&ed +ualit! or an appro&ed alternati&e method shall be used to
maintain the stabilit! of pile e(ca&ations #hich might other#ise collapse%
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$emporar! casings shall be free from significant distortion% $he! shall be of uniform cross-
section throughout each continuous length% During concreting the! shall be free from internal
projections and encrusted concrete #hich might pre&ent the proper formation of the piles
being cast%
Stabilit! of 1iling E(ca&ations ;sing Drilling >luid
2here the use of drilling fluid or column of #ater is appro&ed for maintaining the stabilit! of
boring the le&el of fluid or column of #ater in the e(ca&ation shall be maintained such that
the fluid pressure al#a!s e(ceeds the pressure e(erted b! the soil and e(ternal ground #ater
and an ade+uate temporar! casing shall be used in conjunction #ith the method to ensure the
stabilit! of the strata near ground le&el until concrete has been placed% $he fluid #ater le&el
shall be maintained at a le&el not less than / metre abo&e the le&el of the e(ternal ground
#ater%
,n the e&ent of a rapid loss of bentonite suspension or #ater from the piling e(ca&ation the
e(ca&ation shall be bac"filled #ithout dela! and the instructions of the S%F% shall be obtained
prior to resuming boring at the location%
Spillage and Disposal
9ll reasonable steps shall be ta"en to pre&ent the spillage of bentonite suspension or #ater on
the site in areas outside the immediate &icinit! of the boring operations% Discarded bentonite
#ater shall be remo&ed from the site #ithout dela!% $he disposal of bentonite #ater shall
compl! #ith the regulations of the =ocal 3ontrolling 9uthorities%
1umping of Boreholes
1umping from the borehole shall not be permitted unless a casing has been placed in to the
stable stratum to pre&ent the further ingress of #ater in significant +uantities from other strata
into the boring or unless it can be sho#n that pumping #ill not ha&e a detrimental effect on
the surrounding soil or its properties%
3ontinuit! of 3onstruction
9 pile constructed in stable soil #ithout the use of temporar! casings or other support shall
be bored and concreted #ithout dela! to ensure that the soil characteristics are not
significantl! altered%
Enlarged 1ile Bases
$he enlarged pile base shall not be smaller than the dimensions specified and shall be
concentric #ith the pile shaft diameter% 9 sloping surface of the frustum forming the
enlargement shall ma"e an angle to the hori?ontal of not less than 77o%
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3leanliness of 1ile Bases
Fn completion of boring loose disturbed or remoulded soil or fragments of roc" shall be
remo&ed from the base of the pile%
,nspection
>or dr! bore holes each hole shall be inspected prior to the placing of concrete in it% $he
inspection shall be carried out from the ground surface in the case #here the borehole
diameter is less than @70 mm% 2here the borehole diameter e(ceeds @70 mm ade+uate
e+uipment conforming to B%S%7A40 shall be pro&ided to enable the 3ontractor and the S%F% to
descend into the borehole for the purpose of inspection%
>or #et bore holes i%e% holes filled #ith drilling fluid or #ater a suitable probe shall be
pro&ided to ascertain the e&enness and cleanliness of the pile base%
P$#"ing o( Rein(o!"e)ent
oints in =ongitudinal Bars
Reinforcement shall be such that the full strength of the bar is effecti&e across the joint and
the joint shall be made so that there is no relati&e displacement of the reinforcement during
the construction of the pile and the spacing of the reinforcing bars shall be maintained in such
a #a! that proper concreting shall not be impeded%
1ositions of Reinforcement
9de+uate spacer bloc"s guide tubes and lifting #ires shall be pro&ided so as to maintain the
reinforcing steel in the positions as specified%
2here temporar! casings are emplo!ed the longitudinal reinforcement shall e(tend at least
/%0 metre belo# the bottom of the casing so that mo&ement of the reinforcement during
e(traction of the casing is minimised%
Con"!eting O,e!#tions
1lacing 3oncrete
$he method of placing and the #or"abilit! of concrete shall be such that a continuous
monolithic concrete shaft of the full cross-section is formed%
2or"abilit! of 3oncrete
$he #or"abilit! of the concrete shall be determined b! the slump test as described in M%S%'6%
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$he suggested slump details for t!pical concreting situations shall be as specified in $able
/0%/ belo#% $he slump shall be measured at the time%
$9B=E /0%/ S=;M1 R9N8E >FR $
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$he hopper and pipe of the tremie shall be clean and #atertight throughout% $he pipe shall
e(tend to the base of the boring and sliding plug or barrier shall be placed in the pipe to
pre&ent direct contact bet#een the first charge of concrete in the pipe of the tremie and the
#ater or drilling fluid% $he tremie pipe shall at all times penetrate the concrete #hich has
pre&iousl! been placed and shall not be #ithdra#n from the concrete until the completion ofconcreting% 9t all times a sufficient +uantit! of concrete shall be maintained #ithin the
tremie pipe to ensure that the pressure from it e(ceeds that from the #ater or drilling fluid%
$he internal diameter of the tremie pipe shall not be less than /70 mm for concrete made #ith
'0 mm aggregate and not less than '00 mm for concrete made #ith 0 mm aggregate% $he
tremie pipe shall be so designed that e(ternal projections are minimised allo#ing the tremie
pipe to pass through the reinforcing cage #ithout causing damage or uplifting% $he internal
face of the tremie pipe shall be from projections%
Et!#"tion o( C#sing
2or"abilit! of 3oncrete
$emporar! casings shall be e(tracted #hile the concrete #ithin them remains sufficientl!
#or"able to ensure that the concrete is not lifted%
3oncrete =e&el
2hen the casing is being e(tracted a sufficient +uantit! of concrete shall be maintained
#ithin it to ensure that the pressure from e(ternal #ater drilling fluid or soil is e(ceeded and
that the pile is neither reduced in section nor contaminated%
No concrete shall be placed in the boring once the bottom of the casings has been lifted abo&e
the top of the concrete it shall be placed continuousl! as the casing is e(tracted until the
desired head of concrete is obtained%
9de+uate precautions shall be ta"en in all cases #here e(cess heads of #ater or drilling fluid
could be caused as the casing is #ithdra#n because of the displacement of #ater or fluid b!
the concrete as it flo#s into its final position against the #all of the pile shaft% 2here double
casings are used in the boring the proposed method of #or"ing shall be #ith the appro&al of
the S%F%
Gibrating E(tractors
$he use of &ibrating e(tractors shall be permitted subject to the condition that #or" shall be
carried out in such a manner and at such times as to minimise nuisance and disturbance%
Const!u"tion o( Pi$e He#*s
2ater =e&els
,n the e&ent of the ground #ater le&el being higher than the re+uired pile head casting le&el
sho#n on the Dra#ings the 3ontractor shall submit his proposals for appro&al prior to
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placing concrete% $he pile head shall not be left belo# theground #ater le&el unless appro&ed
precautions are ta"en%
3utting and 1reparation of 1ile Heads
$he top of the pile shall be brought abo&e the cut-off le&el of the pile to permit all laitanceand #ea" concrete to be remo&ed and to ensure that if can be properl! "e!ed into the pile
cap% 1ile heads shall be constructed to the details sho#n on the Dra#ings%
$emporar! Bac"filling 9bo&e 1ile 3asting =e&el
9fter each pile has been cast an! empt! bore remaining shall be protected and shall be
carefull! bac"filled as soon as possible #ith appro&ed materials%
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GEOTECHNICAL WORK
CONSTRUCTION CAST IN SITU
FOR .//)) DIAMETER BORED PILES
INTRODUCTION
1iling is a t!pe of ground treatment #hich is dri&ing a pile into the ground le&el% E(cept sheet
pile other piles li"e concrete pile timber pile steel pile bored pile are used to transfer the
building load to the ground% ,t)s used to strengthen the soil so that the ground able to support
the load of the building% 2hile sheet pile is usuall! used to support lateral load and act as a
supporting #all%
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>actors influencing the pile selection are based on the t!pe of piles a&ailable in mar"et
installation method contractual re+uirement site conditions I constraints t!pe and
magnitude of loading and de&elopment program I cost%
1ile can be done in t#o t!pe precast concrete pile or cast-in-situ concrete pile% Normall!
precast concrete pile is used for building #or" or #e can "no#n it as spun pile or R3 s+uare
pile : reinforcement concrete s+uare pile % 2hile cast-in-situ concrete pile is used for bridge
#or" or #e can "no#n it as bored pile because bridge #or" has a larger load compare to
building #or"%
,n this project bored piles are used as the foundation for the bridge structures% $he bored pile
is a t!pe of foundation usuall! used in propert! construction as an alternati&e for other
foundation methods #hen earth isn)t strong enough to support standard foundations% Ha&e a
lot ad&antage used the bored pile as foundations%
$herefore length can be readil! &aried to suit &ar!ing ground conditions soil remo&ed in
boring can be inspected and if necessar! sampled or in situ tests made can be installed in
&er! large diameters end enlargements up to t#o or three diameters are possible in cla!s
material of pile is not dependent on handling oor dri&ing conditions can be installed in &er!
long lengths can be installed #ithout appreciable noise or &ibration can be installed in
conditions of &er! lo# head-room and no ris" of ground hea&e%
1rior to the piling #or" pre-drilling of a borehole drilled at each proposed pile position #as
re+uired to determine the founding le&el of each pile% Roc"et soc"et design factors depend on
soc"et roughness : shearing dilation intact roc" confining stiffness : roc" mass fractures I
pile diameter 0 and soc"et geometr! ratio%
TYPE OF MACHINERY AND E0UIPMENT
NO DESCRIPTIONS
1 3ra#ler 3rane
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2 Boring ;nit Machine :Soil Rotar! Mechanical Rig
3 5ell! Bar
4 E(ca&ator
5 Gibro Hammer
. 9ir 3ompressor
6 8enerator Set
7 Read! Mi( 3oncrete
8 Soil 9uger
1/ 3ore Barrel
11 Roc" 9uger
12 3leaning Buc"et
13 3asing
14 $remie 1ipe
15 9 >unnel Shaped Hopper
/ 3R92=ER 3R9NE
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>unction $o hoist and s#ing loads at &arious radii%
9d&antage Eas! to mo&e around on site and perform each lift #ith
little set-up and also capable of tra&elling #ith a load
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' BFR,N8 ;N,$ M93H,NE SF,= ME3H9N,39= RF$9R< R,8
$o hold the &ibro hammer $o raised up the buc"et #hile
concreting%
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>unction $o drill holes of diameters from 600 to '700 mm9d&antage 3an drill to &arious depths up to C0 m
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4 5E==< B9R
$o drill using the core barrel after
install casing%
Raised up the soil auger after
drill
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>unction9d&antage Manufactured from high-tensile steel to ensure
minimum #eight at ade+uate strength%
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EJ39G9$FR
3onnected #ith the core barrel to drill the roc" core
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>unction - $o digging of trenches holes foundations
- >or material handling
- $o dri&ing piles in conjuction #ith a pile dri&er
- $o drilling shafts for footings and roc" blasting
9d&antage ,t ma"es the construction easier for the #or"ers
since it can dig mo&etransport earth handling
material gra&el and etc% in a shorter period of time
#ith less energ! use%
7 G,BRF H9MMER
Handling the o(ieen and
acet!lene to cut the ;p&c pipe
for the preparation sonic
logging test
3lear the soil at point for sonic
logging test
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>unction $o install of a large number of pile t!pes and casing
9d&antage =o# noise emissions less energ! and time to install
casing
$he installation of temporar! steel casing #ith generated b! air
compressor
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6 9,R 3FM1RESSFR
>unction ;sed to po#er machiner! and e+uipment that is used to
perform hea&! and tough #or"%
9d&antage $he elements of safet! as there is relati&el! little to no
electricit! in&ol&ed%
8enerated the &ibro hammer8enerated the machine #ith the
connecting generator set
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@ 8ENER9$FR SE$
>unction $o generate electric energ! from the combination of a
diesel engine #ith an electric generator%
9d&antage ;sed in places #ithout connection to the po#er grid
as emergenc! po#er-suppl!%
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C RE9D< M,J 3FN3RE$E3onnected #ith air$he po#er suppl! of generator set
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>unction $o concreting using tremie method
9d&antage Sometimes preferred o&er on-site concrete mi(ing
because of the precision of the mi(ture and reduced
#or" site confusion%
A SF,= 9;8ER
Read! mi( concrete is transferred to the buc"et
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>unction $o drill the soil%
9d&antage 9lign directl! o&er the top the proposed%
/0 3FRE B9RRE=
Drilling the soil using soil auger
#ill stop after reached the roc"
core
Start drilling the soil that align
directl! o&er the top the proposed
e %
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>unction $o drill roc" cores #hile the! being e(tracted from the
drill hole%
9d&antage 3an used in large diameter
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// RF35 9;8ER
$he core barrel is drill the roc"
core b borin unit machine
3ore barrel is lo#ered into the
borehole
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>unction $o drill for boring hole precisel! under hard roc" soil
conditions
9d&antage $he re+uirements of cutting much harder roc"s than
e(pected #ith the lean s"e# angle of tungsten-carbine
teeth%
/' 3=E9N,N8 B;35E$
S"e# angle of
tungsten-carbine
Roc" auger #hich is connected
#ith "ell! bar lo#ered into
Roc" auger is lo#ered into
borehole to drill the soc"et roc"
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>unction $o remo&e the fragmented roc" material
9d&antage Eas! and efficientl! to remo&e the soil and roc"%
/4 39S,N8 K 600mm
$he fragmented roc" material is
remo&ed b! using the cleaning
;nplugged the scre# from
cleaning buc"et to remo&e the
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>unction $o support the #ea"er soil la!ers%
9d&antage 9ct as guide for drilling tools to ensure &erticalit! of
the bore%
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/ $REM,E 1,1E
,nstall casing #ith &ibrohammer
$he distance from the steelcasing #ould be measured to
reference pins%
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>unction $o concrete placement #hich the concrete is placed
belo# #ater le&el%9d&antage Eas! to concrete placement and the curing conditions
perfect using the tremie method%
/7 9 >;NNE= SH91ED HF11ER
$he tremie pipe is connected #ith
the funnel shaped hopper%
3leaning the face from concrete
to connect #ith funnel shaped
ho er%
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>unction $o connected #ith the tremie pipe #hich transfer the
concrete
9d&antage >lo# #ill not ca"e or spoil and controlled segregation
$he funnel shaped is connected
#ith the tremie i e
$he concrete is transfer through
the funnel sha ed ho er%
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METHOD STATEMENT
SE$$,N8 F;$ F> 1,=E
1FS,$,FNS
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Setting out the controlled points of
piles and mar"ed b! steel sta"es%
3leaning the site location
$he consultant together #ith the
contractor)s sur&e!or #ill chec" the
sta"es for correctness%
,NS$9==9$,FN ;S,N8
$EM1FR9R< S$EE= 39S,N8
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$he drilling and remo&al of dr!
earth b! auger to a fe# meters
depth%
$he drilling auger directl! house and
align directl! o&er the top the
proposed peg%
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9 steel casing #ould then be
installed into the borehole #ith
assistance of a standard &ibro-
$he distance from the steel casing
#ould be measured to reference
pins%
,NS$9==9$,FN ;S,N8
$EM1FR9R< S$EE= 39S,N8
3ont%
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$he installation depth of the casing is dependent on the soil
conditions%
DR,==,N8
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Drilling the soil$he core barrel is drilling the soil
$he cleaning buc"et is lo#ered into
the bore hole to cleaning borehole%
$he cleaning buc"et is raised up to
dischar e the soil and roc"%
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DR,==,N8
3ont%
3leaning the sample of roc" $he sample roc" #as ta"en for the
testin %
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,NS$9==9$,FN F> RE,N>FR3EMEN$
:REB9R 398E
Gie# from bottom steel cage is
raised up and main reinforcement
used accordance #ith the desi n%
Steel cage is raised up and prepared
for installation%
$he rebar cage is lo#ered into the
borehole%
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$REM,E 3FN3RE$,N8
Measured the high slump concrete
b! tape%
9 sample concrete is ta"en for slump
test and cube test%
Read! mi( concrete is placed in the
buc"et
3oncrete is controlled b! manpo#er
#hich the hopper is connected at the
top of the tremie pipe
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$REM,E 3FN3RE$,N8
3ont%
3ompacting concrete #hich
generate b! generator set
3ompacting concrete b! &ibro po"er
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$remie pipe that joint each other is
loosed
$he tremie pipe is raised up to
loosed the section using chain
#rench$REM,E 3FN3RE$,N8
3ontL
$he hopper is remo&ed to connect
the tremie i e
$he hopper is connected #ith tremie
i e
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$he concrete is topped up in the
casing
$he measuring tape is lo#ered
into the borehole
$REM,E 3FN3RE$,N8
3ont%
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$he temporar! steel casing is e(tracted
#hen sufficient concrete is discharge%
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SUMMARY BORED PILE
AND
BORED PILE RECORD