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Our ref: ER288-090928-5209-CV-OKP (244) - Method Statement for Placing of Concrete Barriersat Braddell flyover Southbound Shoulder Lane from CH 1530 - CH 2210

Your ref: OKP/ER288/LTA/09-244

28 September 2009

Officer-in-Charge

Land Transport Authority

1 Hampshire Road

Singapore 219428

Attn : Mr Lau Hwa Cheong/ Mr Tan Peng Heng

Dear Sirs,

CONTRACT NO. : ER288QP

PROJECT TITLE: QUALIFIED PERSON (SUPERVISION) SERVICES FOR CONTRACT

ER288 WIDENING OF CTE FROM PIE TO BRADDELL INTERCHANGE

Re: OKP (244) - Method Statement for Placing of Concrete Barriers at Braddell flyover

Southbound Shoulder Lane from CH 1530 - CH 2210

1) We refer to the Contractors submission (Ref: OKP/ER288/LTA/09-244 dated 24September 2009).

2) The above submission is accepted with comments, as detailed in Annex A.

3) Contractor should resubmit, incorporating response to the comments.

Thank you

Yours faithfully,

Vashdev A Khialani

QP(Supervision), ER288QP

C.C: LTA

- Mr Ang Pui Boon (PO)

- Mr Kuek Chin Meng (PO)

Review Form

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Annex AComment Codes1 = Minor Importance2 = Moderate Importance3 = Major Importance

ER288 QUALIFIED PERSON (SUPERVISION) SERVICES FOR CONTRACT ER288WIDENING OF CTE FROM PIE TO BRADDELL INTERCHANGE

DOCUMENT REVIEW

Document No. OKP/ER288/LTA/09-244 Date: 30 September 09

Subject: Method Statement for Placing of Concrete Barriers at Braddell FlyoverSouthbound Carriageway Shoulder Lane from Ch1530 Ch2210

Review Department QP(Supervision)

No. Document/DrawingNo.

Comments Code

1. General Please state for which work activity the concrete

barriers are being provided.

Please include a drawing showing the cross section

of the highway with the proposed concrete barriertogether with the white edge line.

Safe Work Procedures Please provide for all

related safe work procedures.

Please clarify if the placing of concrete barriers is to

be night works. Please provide page numbering for ease of

reference.

2

2

2

2

1

2L. General Please confirm if placing of concrete barrier is to

proceed if there is alteration in design to stitch thecentre median.

Please elaborate in detail on the end treatment of

concrete barrier as safety measures for the maincarriageway and the slip road (ie. provision of impactattenuator)

2

2

3. Item 3,Resources: plant andmanpower

Please state that an excavator with rubber tracks will

be used to protect the road surface.

2

4. Item 3.1,Hierarchy chart for thisoperation

Please include safety officer/safety supervisor in the

organization chart and ensure that they involve in thisoperation.

2

5L. Appendix 1,Relevant certificates forequipment andmanpower

Please specify how the updated certificates would be

submitted before commencement of work

No certificates attached with this method statementfor personnel involved in this operation. Pleaseprovide relevant certificates for excavator operator,signaler and rigger.

2

2

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6L. Appendix 2,Temporary TrafficControl Plan

Please include and indicate position of VMS in the

TCP

Please provide drawings and make provisions for

cones to be placed along chevron along side the sliproad (ie. line of cones placed along slip road chevron

that merges with cones from the main carriageway).

22

7. Appendix 5,Risk Assessment andHazard Analysis

Please be more specific regarding Risk Assessment

and Hazard Analysis ie. Excavator to lift concretebarriers, there are such hazards as lift gear broken,worker finger crushed, worker hit etc.

Please take in to consideration inclement weather

conditions when assessing the possible risks that mayoccur during the works ie. What is the procedure totake when the laying of concrete barriers is interrupted

by heavy rainfall and how it affects visibility andincreases the risk of vehicle collision.

Please clarify the difference between Risk

Assessment and Hazard Analysis and investigate thepossibility of combining the two documents in to onetabular format, where common sections could bematched up or share columns.

2

2

2

8. Appendix 6,Checklist for methodstatement submission

The attachment is not filled out by the Contractor. It

must be duly filled and submitted together with themethod statement.

2

The above comments do not relieve the contractor of his contractual obligations.The submission is a.) Accepted with comments;

b.) Please submit, incorporating response to the above comments.

__________________Vashdev A Khialani

QP(Supervision) for ER288QP

Overall Acceptance Status Please cross (x) one box

1. Accepted 2. Accepted withcomments

3. Noted withcomments

3. Rejected