BORED PILING METHOD STATEMENTRED PILING METHOD

BORED PILING METHOD STATEMENT.

WORK PROCEDURE

PROJECT:Ref No. FOUN/04

PAGE 1 OF 2

SECTION:

FOUNDATIONSDATE OF ISSUE

Dec 2012

SUBJECT:

BORED PILING

BY:

QA/QC ENGINEER

APPROVED BY:

QEHS MANAGER

ACTIONVERIFY

1.SCOPE

The scope of this procedure covers the control of installation of Bored Cast-in-Situ Concrete piles executed by a sub-contractor.

2.PROCEDURE

.1Method Statement:

A method statement shall be submitted by the piling Sub-contractor for approval which shall include:

i)Construction procedure.

ii)Pile design with calculations.

iii)Testing procedure.

iv)Documentation to be maintained during the execution of work.

v)Mix design for concrete.

vi)Specification for reinforcement steel and bentonite clay.

vii)Any other information required by the specification.

.2Construction Programme:

The sub-contractor shall submit a programme for approval based on the Contract Programme. The subcontractor shall also indicate the mobilisation time of plant, equipment, materials and work force.

.3Piling Sequence:

Approval of piling sequence will be given prior to commencement of piling by the Subcontractor.

.4Setting-Out:

HEE will execute pre-piling setting out and offer for cross-checking by Subcontractors Surveyor and Consultants Representative.Project

Manager

Sub-contractor

Project

Manager

Subcon/

FCC SurveyorMethod

Statement

Approved

Construction Programme

Approval

Field Book

WORK PROCEDURE

PROJECT:Ref No. FOUN/04

PAGE 2 OF 2

SECTION:

FOUNDATIONSDATE OF ISSUE

Dec 2012

SUBJECT:

BY:

QA/QC ENGINEER

BORED PILING

APPROVED BY:

QHSE MANAGER

ACTIONVERIFY

.5Source Certificates:

Reinforcement steel and Bentonite test certificates if required shall be obtained from the Subcontractor and, submitted for approval by the Consultant.

.6Concrete Cube Testing:

Cube results will be assessed and retained. The cube test reports shall be clearly identified with the location of pour by reference to the checksheet.

.7Testing of Piles:

The Subcontractor shall carry out a load test and integrity test as specified in the Contract.

.8Inspection of Work/Checksheet:

The work shall be inspected using the attached checksheet as Appendix FOUN/04/A which shall be completed as verification and record of compliance.

.9Non-Conformity:

Non-conforming workmanship shall be notified to the Subcontractor as Appendix 7/3/6/A and corrective action taken in accordance with good working practice and Consultants approval.

Project Engineer

Project Engineer/

Labtech.

Subcon.

QA/QC

QA/QC

Source certificate

Test result, FOUN/04/A

Pile testing record

Checksheet

Non-

Conformity Report

PROJECT:SITE NO.:

CHECK SHEET FOR BORED PILINGSheet No.

SUBCONTRACTOR: FATAYERJI

SECTION OF WORK ____________________________LOCATION _________________

STAGEITEMChecked

byDATE

PREPARATION1. Subcontractors method statement approved.PE

2. Materials approved by the consultant.PE

3. Cross-check location of Pile.SU

APPROVAL TO PROCEEDQA/QC

INSTALLATION4. Check borehole to be filled with Bentonite

slurry at all times.GF

5. Check cleaning of bottom of borehole.GF

6. Check reinforcement cage.SE

7. Check minimum cover while lowering cage into the borehole.GF

8. Check slump of concrete.Lab

9. Check cut-off level + location.SU

APPROVAL TO PROCEED WITH PILE CAP.CM

CM Construction Manager, QA/QC Quality Assurance/Quality Control, PE Project Engineer, SE Site Engineer, GF General Foreman, SU Surveyor, Lab Laboratory Technician