I i· I I, DUYEN HAl PR~1ECT DONGFANG ELECTRIC COfILTD Attn: Mr Nguyen Viet Dung-Director Date:20 14-11-14 To: TPMB3 Prepared by:· Zeng·Weicheng Fax: 0084822200450 Fax: +86-028-87583288 Tel: 0084822200449 ·.~l_"""'" Tel: +86-028-87583484 Attn: Mr Nguyen Hai Phu A To: PECC2 II II II ; ; I E' E,NAtF-M'Oc",' B(\.l\Fm /'f""~J 1~ 'NOV roved b :' ; t ' ! ~~'''''~'~I'~ pp y~H '-"'"""·"'1!:"'ED Fax: (848) 2221-0204 PagelTotal: A3/C2 Ref: DEC Ref: DH1-DE-A3-E-14-5479 i Project: OUYEN HAl POWER PLANT PROJECT NO.: OH1-30032010 2x622MW) Subject: Request for the review and approval of documents{E1 )-Electrical general part -001 01-BTG Dear Sir: I Enclosed please find the following documents submitted you for yqwr approval Documents eEl) - Electrical general part Thank you for your cooperation! -D0101 copies 2014 r" I 1" ':!IVlL4rf ' ',-A4f:30' Tel: (848) 2221-0252 (CONTRACT _~~""', I GENCOlrr~5HMAL POWER PROjECT t ~ , i! I ffi ffi t~ EVNl'PMB3 EVNPECC2 THERMAL POWER PROJECT MANAGEMENT BIARD PECC2CONSULTANT I DUYEN HAl THERMAL POWER PLANT 1j1l0JECT ® ~ VIETNAM ELECTRICITY I II DONGFANG ELECTRIC CORPORATION LIMITE~ Address: 333 Shuhan Road, Chengdu Sichuan 610036 P.R China Tel: +862887583569 Fax: +86 2887583288 I : !I DOCUMENTIDRAWING TRANSMITTAL SHEET! i PROJECT: TRANSMITTAL NO.: GEIDI-14-2476 DATE: 201~:"11-14 Duyen Hai Thermal Power Plant Project I Ref: DH 1,':DE-A3-E-14! 5479, i SUBJECT: ELECTRICAL GENERAL PART -D0101-BTG I FROM: Mr YangXuecheng , DEC Project Director : TO: Mr Nguyen Viet Dung ! Director ofTPMB3 Mr Nguyen Hai Phu Project Director-PECC2 ISSUED FOR: Approval ! D ATTACHMENTS: -./ Reports Drawing/Comment o ! 'Sp"dfication Sheets ! D Other DOCUMENTIDRAWING NUMBER Rev No Sht No TITLE COPIES i i SEE ATTACHMENT SIGNATURE OF SENDERIDATE : m.1b SEE ATTACHMENT I I, ~lt~"G' Nguyen -11- 2014 lA1no.A?~ Q~ * NOTE: PLEASE SIGN AND°RETURN TO SENDER SIGNATURE* q~1 La la ~ OF RECEIVERIDATE :1Af /-11/02.0/4 l~ur:OOI ~co-() cJ) LIST OF SUBMITTED DRAWINGS AND DOCUMENTS FOR DUYEN HAIl POWER PLANT PROJECT ISSUE DATE :10.Nov.2014 TITLE S.N DRAWING NO & DOCUMENT NO TITLE (VOLUME NO.) TITLE (DRAWING/DOCUMENT NO.) PURPOSE SPECIALTY DESCRIPTION SUBMITTING REV PECC2's APPROVAL STATUS REMARK I AP UPDATED I ELECTRIAL II F428IS-DOIOI-2\o RESPONSE DHI-Q02-03-D1-0028 ELECTRICAL GENERAL PART Cable Sizing Study For 400V/230V Cable OfTurbine House Area For approval EI fI3.- I! I @9 1.fi 1i fk ~ DUYEN HAl THERMAL POWER PLANT Pf10JECT CONTRACT No.: DH1-~q032010 DONGFANGELECTRIC DUYEN HAl THERMAL POWER PLANT PROJECT ~ DESIGN CHANGE REQUEST No: DH1-Q02-0 I -D1-0028 Department: Proposed By: GEDI I TPMB3 DEC LTD SUBCONTRACTOR Others I• IPECC2 I IGEDI I I I I II n Date Proposed: Drawing No: 1ih.Nov.2014 F4281S-D0101-210 (Based on) Reason for Change: o o o Improper design scheme • Design improvement o o o o o Non conformance with specification Neglected item of design Interface change i i New requirements from the Owner/Engineer New requirements from the SUbcontractbr Non conformance between supporting d~ta and final Others Description of Change: (refer to attachment for details, if necessary) On site nonnally in one cable tray layers of power cable is installed, in very few a¢a layer of power cable is installed In last revision of cable sizing the correction factor "k2" and "k9" refer to IEC 60502-2 'frABLE B22, but in the IEC standard there is no situation of multiple layers of cable in one cable tray ! So in this updating revision we use the Chinese Standard GB50217-2007 Table D.0.6, lin , which the same factor is chosen as 0.65 and 0.55 for and layers Due to the situation on site, vte choose 0.6 as the "k2" and "k9" Comments of Design Institute (GEDI) : Prepared by Zeng Wei che~g 2014.11.11 I Agree Checked by Approved by ~.l~~ 2014.11.11 \?-nJ'?if11·I 2014.11.11 Comments of Construction Company (SUBCONTRACTOR): Comments of DEC.LTD.: Agree ~ I 2014.11.17 Comments of Owner/Consultant (TPMB3/PECC2): I.~ ... Thermal Power Plant Project I Ref: DH 1,':DE-A3-E-14! 5479, i SUBJECT: ELECTRICAL GENERAL PART -D0101- BTG I FROM: Mr YangXuecheng , DEC Project Director : TO: Mr Nguyen Viet Dung ! Director ofTPMB3... SUBCONTRACTOR Others I• IPECC2 I IGEDI I I I I II n Date Proposed: Drawing No: 1ih.Nov.2014 F4281S -D0101- 210 (Based on) Reason for Change: o o o Improper design scheme • Design improvement o o o