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APPROVED Approved without exception

APPROVED WITH COMMENTS Approved Subject to Incorporation of comments

RETURNED FOR CORRECTION Insufficient Information/ Detail

Resubmit for Approval

REJECTED Complete redesign required

RECEIVED FOR INFORMATION Returned without comments

RECEIVED FOR INFORMATION Returned with comments

any obligations covered under contract

Engineer:

Discipline:

Date:

Note: Approval or comments does not relieve the Contr

TWO(2) X 500MWMONG DUONG 1 THERMAL POWER PLANT

David LanghorneSenior Mec Engineer28-Jun-13

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Pyry Comment Two(2) x 500MW Mong Duong 1 Thermal Power Plant Project

Dwg. / Doc. Title G A Drawing BFP andBooster Pump Dwg. / Doc. No. MD1-0-V-121-01-00001

HDEC DT No. MD1-HDH-EVN-X-2872 Submitted Date 2013.03.27 Rev. BPyry TR No. 9A000323-006593 Received Date 2013.04.24New HDEC DT No. MD1-HDH-EVN-X-3788 Re-Submitted Date 2013.06.13 Rev. CStatus Submitted for Information

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No. Pyry s Comments Contractors Reply / Action1 Please provide KKS identifying number for

equipment and instruments on the drawings.

Poyry Comment on Rev.BKKS identify number for the motor and couplingis incorrect. It should include equipment unitcode (pump) before component code (motor,

coupling).The complete pump set should have a singleKKS number. Then the booster pump would beKP01, the main pump would be KP02, the motorwould be M-01 and the fluid coupling would beMG01

Poyry Comment on Rev.CResponse accepted. Closed.

Reflected.

Once we change the KKS number of the pump,then KKS number for instruments, lines, valvesshall be changed in accordance with the

changed KKS number of pump. Therefore, notonly this document, but also P&ID, I/O List, DCSSystem, and most of other documents has to bechanged.It has been huge progress on our C&I andPiping work, and we concern that changing KKSnumber can cost lots of manhour and this alsocan be lead to human error and work delay.For this reason, we would like to maintain theKKS number for BP and BFP. (BP:13LAC11AP001, BFP: 13LAC21AP001)While, as you commented on the left, for themotor and FC, we shall comply with yourcomment. (Motor : 13LAC11AP001M-01, FC:13LAC11AP001MG01)Please reconsider your comment to change theKKS number of BFP.

2 Include a parts list for the major components(e.g. main pump, variable speed drive etc) withreference drawings.

Poyry Comment on Rev.BClosed.

Please refer to the reference drawing list.

3 Foundation drawings with loading data andanchor bolt information to be provided. Thesedrawings shall be identified as referencedrawings.

Poyry Comment on Rev.BClosed.

Please refer to the foundation drawing, MD1-0-V-121-52-00001.

4 Confirm that there is personnel protection for all

rotating components.

Poyry Comment on Rev.B

We shall provide coupling guard for personnel

protection for rotating components.

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No. Pyry s Comments Contractors Reply / ActionClosed.

5 State what DBSE means

Poyry Comment on Rev.B

Closed.

Distance Between Shaft End (DBSE)

6 Identify the equipment on the edge of thebooster and main pump base plates at gridreference A2, A3, C5 and C6.

Poyry Comment on Rev.BClosed.

Reflected.

7 Poyry Comment on Rev. CCloud marks are used for identifying the

changes in the present version comparing to theprevious version only. All cloud marks that usedfor the previous version should be removed forclarity.