PROJECT:

Ref No. FOUN/04

PAGE 1 OF 2

SECTION:

FOUNDATIONS

DATE OF ISSUE

Dec 2012

SUBJECT:

BORED PILING

BY:

QA/QC ENGINEER

APPROVED BY:

QEHS MANAGER

ACTION

VERIFY

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

.1    Method 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.

.2    Construction 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.

.3    Piling Sequence:

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

.4    Setting-Out:

HEE will execute pre-piling setting out and offer for cross-checking by Subcontractor’s Surveyor and Consultant’s Representative.

Project

Manager

Sub-contractor

Project

Manager

Subcon/

FCC Surveyor

Method

Statement

Approved

Construction Programme

Approval

Field Book

PROJECT:

Ref No. FOUN/04

PAGE 2 OF 2

SECTION:

FOUNDATIONS

DATE OF ISSUE

Dec 2012

SUBJECT:

BY:

QA/QC ENGINEER

BORED PILING

APPROVED BY:

QHSE MANAGER

ACTION

VERIFY

.5    Source Certificates:

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

.6    Concrete 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.

.7    Testing of Piles:

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

.8    Inspection 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.

.9    Non-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

CHECK SHEET FOR BORED PILING

SUBCONTRACTOR: FATAYERJI

SECTION OF WORK ____________________________LOCATION _________________

STAGE

ITEM

Checked

by

DATE