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Edition: August 2008 Specification: Part 416 Cast In Place Concrete Piles

PART 416

CAST-IN-PLACE CONCRETE PILES

CONTENTS

1. General2. ualit! "e#uire$ents%. &aterials4. Pile Construction'. (olerances6. (esting of Piles). *old Points8. "ecords

1. GENERAL

(+is Part specifies t+e re#uire$ents for t+e installation of drilled, cast in place, reinforced concrete piles, -+ic+ donot use per$anent casing. It does not coer continuous flig+t auger piles /refer to Part 41).

(+e Contractor is responsile for:

/a proiding t+e detailed design of t+e piles to ac+iee t+e specified esign Geotec+nical Strengt+ /-+eret+e detailed design +as not een proided ! t+e Principal,

/ t+e installation of piles t+at ac+iee t+e esign Geotec+nical Strengt+ and design durailit!, and

/c erif!ing t+at t+e esign Geotec+nical Strengt+ +as een ac+ieed in practice.

3nless specified ot+er-ise in t+e Contract Specific Requirementor on t+e ra-ings, piles s+all e designedand constructed in accordance -it+ t+e $et+ods specified in AS 21' and AS'100.%.

ocu$ents referenced in t+is Part are listed elo-:

AS 21' Piling 5 esign and Installation.

AS '100.% ridge esign 5 7oundations and Soil Supporting Structures.

!. "#ALIT$ RE"#IRE%ENTS

At a $ini$u$, t+e Contractors ualit! Plan s+all include t+e follo-ing docu$ents, procedures and instructions:

/a t+e concrete $i9 design/s, including test results for $i9 designs, erif!ing t+e ailit! to ac+ieespecified re#uire$ents

/ details of proposed oring e#uip$ent to e used and eidence of its capacit! to carr! out t+e -or;

/c proposed recording for$s to e used during construction and testing

/d $et+odolog! to ensure pile location and erticalit! tolerances are $et

/e $et+odolog! for oring

/f safet! re#uire$ents to ensure t+at fall protection is in place -+eneer an open e9caation e9ists

/g -+ere appropriate, t+e t!pe of drilling $ud and t+e $eans of $aintaining +ead leels

/+ $et+odolog! to $onitor and preent conta$ination ! ingress of loose $aterial, ground -ater or $udduring pile construction

/i $et+odolog! for placing s+aft concrete

/

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(. %ATERIALS

Concrete s+all e in accordance -it+ Part %20 ?Concrete?. "einforce$ent s+all e in accordance -it+ Part %0'?Steel "einforce$ent?. @ongitudinal reinforce$ent s+all e supplied in full lengt+s.

4. PILE CONSTR#CTION

4.1 E)ca*ation

(+e Contractor s+all ensure t+at t+e $et+od of construction preents collapse, ingress of conta$inants and$aterial falling in fro$ t+e surface. If te$porar! steel casing is used for t+is purpose, an! +oles ored prior toplacing t+e casing in position s+all e drilled -it+ a it not $ore t+an 2' $$ larger t+an t+e outside dia$eter oft+e casing.

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Edition: August 2008 Specification: Part 416 Cast In Place Concrete Piles

Integrit! testing s+all e carried out on t+e piles in accordance -it+ integrit! test $et+ods specified in AS 21'.Integrit! testing e#uip$ent s+all e capale of c+ec;ing cross=sectional irregularities in piles and identif!ing t+elocation and c+aracteristics of an! significant ano$alies suc+ as oids or conta$inants.

Acceptance criteria, superision and reporting of integrit! testing s+all e in accordance -it+ t+e re#uire$ents ofAS 21'.

3nless specified ot+er-ise, integrit! testing s+all e carried out on all piles.

6.! Loa+ tetin0

(+e Contractor s+all carr! out d!na$ic testing of piles to confir$ t+at design pile capacit! +as een ac+ieed. Atleast one d!na$ic load test s+all e perfor$ed for eer! %0 piles. Additional d!na$ic load testing s+all also ecarried out on piles in t+e eent t+at pile toe leels ar! ! $ore t+an 2 $etres fro$ t+e test pile. (esting s+all ecarried out ! use of a Pile riing Anal!ser /PA and t+e data otained fro$ eac+ pile s+all e anal!sed usingCAPAP, (BADE or ot+er approed e#uialent soft-are.

Additional load testing re#uire$ents /including static load tests $a! e specified in t+e Contract SpecificRequirementor on t+e ra-ings.

(+e test procedure and test reports s+all confor$ -it+ t+e re#uire$ents of AS 21', and t-o copies of a reports+o-ing t+e $easured field para$eters and t+e results of anal!sis to deter$ine pile capacit! s+all e proided tot+e Superintendent.

(+e $easured ulti$ate capacit! of test piles s+all e e#ual to or greater t+an t+e pile test load specified in t+eContract Specific "e#uire$ents or on t+e ra-ings.

6.( Tet Reut

Su$ission of t+e test results s+all constitute a &OL' POINT.

2. &OL' POINTS

(+e follo-ing is a su$$ar! of *old Points ide Part 140 ?ualit! S!ste$ "e#uire$ents?, referenced in t+is Part:

CLA#SERE/.

&OL' POINTRESPONSE

TI%E

2 Su$ission of Procedures 14 -or;ing da!s

4.1 At t+e co$pletion of e9caation 1 +our

6.% Su$ission of test results follo-ing t+e installation of a group of piles 6 +ours

3. RECOR'S

(+e Contractor s+all proide continuous records for eac+ pile. (+e data recorded s+all include t+e follo-ing:

/a ia$eter, lengt+, location and t!pe of pile and date of oring

/ Concrete atc+ details, properties and slu$p

/c All infor$ation regarding ostructions, dela!s and ot+er interruptions to t+e se#uence of -or;

/d Integrit! testing results and

/e +ere specified, results of ulti$ate resistance tests.

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