8/12/2019 MD1-0-V-114-01-00004-C

1/2

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 Contractor of

Pyry EnTWO(2) X 500MWMONG DUONG 1 THERMAL POWER PLANT

avi anghorneSenior Mec Engineer5-Mar-13

8/12/2019 MD1-0-V-114-01-00004-C

2/2

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

Dwg. / Doc. Title Outline Drawing for HP-7Low Pressure FWH Dwg. / Doc. No. MD1-0-V-114-01-00004

HDEC DT No. MD1-HDH-EVN-X-1036 Submitted Date 2012.11.02 Rev. BPyry TR No. 9A000323-002559 Received Date 2012.11.28New HDEC DT No. MD1-HDH-EVN-X-2233 Re-Submitted Date 2013.02.05 Rev. CStatus Received for Information Returned with Comments

Page 1 / 1

No. Pyry s Comments Contractors Reply / Action1 < Pyry s Comments on Rev.A>

Please refer to general comments on MD1-0-V-114-01-00001.

< Contractors Reply / Action on Rev.A>Reflected.

< Contractors Reply / Action on Rev.B>Closed.

2 < Pyry s Comments on Rev.A>

Review the steam inlet nozzle material. Theskirt design temperature is 490 deg C.

Closed.

< Contractors Reply / Action on Rev.A>

Reflected.Steam inlet material has been revised from

A106-B to A335-P11.

3 < Pyry s Comments on Rev.A>Clause 6.4.3 of the ERQ states that the HPHeaters shall be designed to withstand the boilerfeed water pump shut-off pressure. Pleaseconfirm this requirement is met in the heatercalculations.

Closed.

< Contractors Reply / Action on Rev.A>Boiler Feedwater Pump shut-off pressure is 300barg. BFP shut-off pressure has been reflectedas tube side design pressure of 300 barg.

4 < Pyry s Comments on Rev.A> At the key plan, please correct location of HP-7FWH from Mezzanine floor to Operating floor.

Noted the drawing is for Heater No. 7 .

Closed.

< Contractors Reply / Action on Rev.A>HP-6 FWH is on the HP heater floor. Pleasecheck the modified key plan.

< Contractors Reply / Action on Rev.B>Reflected.

5 < Pyry s Comments on Rev.A>Correct the nozzle bevel data table. It appearsto be a cut and paste from MD1-0-V-114-01-00001.

Closed.

< Contractors Reply / Action on Rev.A>Reflected.