www.mimos.my © 2006 MIMOS Berhad. All rights reserved.

MIMOS BERHAD

TENDER BRIEFING ON THE APPOINTMENT OF CONSULTANT TO STUDY AND PROPOSE POWER

QUALITY UPGRADE AT MIMOS FAB

MIMOS BERHAD11th Feb 2011

MIMOS CAMPUS : POWER DISTRIBUTION SYSTEM

www.mimos.my © 2006 MIMOS Berhad. All rights reserved. Version 2.0

Public Block

East Block

West Block

Cafe Block

Fab

Entrance

TNB SUBSTATION

HT ROOM - MIMOS

HT ROOM – FAB 2

HT ROOM – FAB1

HT ROOM –INTEC

www.mimos.my © 2006 MIMOS Berhad. All rights reserved. Version 2.0

2010

www.mimos.my © 2006 MIMOS Berhad. All rights reserved. Version 2.0

PROBLEM STATEMENT

• PRESENT SYSTEM & LIMITATION

-Electrical system- 2 x 11 kv feeders. Vulnerable to power quality incidents as 11 KV is not CLEAN

-2 x 350KVA Diesel gen set for fab 1 and fab 2 , are to support emergency lightings, scrubber and other emergency system

-Small UPSs to support some critical production equipment. NO back up power for production.

-1800A Switch board for Chillers and other facilities equipment under capacity

www.mimos.my © 2006 MIMOS Berhad. All rights reserved. Version 2.0

11KV630AVCBMSB 1

Transformer 111KV/433V

2.5MVA

Feeder 2

Feeder 1

Transformer 211KV/208V

1.5MVA

415V2500AACB

2082500AACB

MSB 211KV630AVCB

PRODUCTION

MCC MAIN

DB UPW

DB WW PLANT

DB ESSETIAL

FACILITY SUPPORT

PRESENT POWER DISTRIBUTION AND UTILIZATION AT WAFER FAB 2

DB ETCH

DB DVR

DB LITHO

DB DIFFUSION 1

DB DIFFUSION 2

DB THIN FILM

451KW

360KW

250KW

430KW

200KW

500KW

800KW

250KW

250KW

250KW

1.55MW

2.2MW

NOTE :

WAFER FAB 1 HAS SIMILAR CONFIGURATION.THE CURRENT LOADING IS LOW DUE TO NOPRODUCTION

www.mimos.my © 2006 MIMOS Berhad. All rights reserved. Version 2.0

WHAT WE PLAN TO DO….

• Undertake study to improve the power quality for wafer fab.

• To propose best option(s) with• technically feasible • cost effective measures• Best practical implementation plan

www.mimos.my © 2006 MIMOS Berhad. All rights reserved. Version 2.0

MC

C

MA

INDB

UP

W

DB

WW

PLA

NT

DB

ES

SE

TIA

L

DB

WW

PLA

NT

11KV630AVCB

11KV630AVCB

11KV630AVCB

Incomer

Step downTransformer 1

11KV/433V2.5MVA

Feeder 2Feeder 1

Step downTransformer 2

11KV/208V1.5MVA

415V2500AACB

208V2500AACB

HT

LT

DB

ET

CH

DB

DV

R

DB

LIT

HO

DB

DIF

FU

SIO

N 1

DB

DIF

FU

SIO

N 2

DB

TH

IN F

ILM

PROPOSED UPGRADING OF THE POWER SYSTEM

Gen set

BatteriesUPS

www.mimos.my © 2006 MIMOS Berhad. All rights reserved. Version 2.0

Mandatory scope Optional scope

PreliminaryCapacity studyProposals reviewPrepare tender document + drawingsTender evaluation

Project management

SCOPE OF THE TENDER PROCESS

www.mimos.my © 2006 MIMOS Berhad. All rights reserved. Version 2.0

SITE VISIT

DATE TIME

Friday 11th Feb 11 After tender briefing

Monday 14th Feb 11 11.00am

Wednesday 16th Feb 11 11.00am

Thursday 17th Feb 11 11.00am

Assemble at MIMOS Lobby:

Contact person : Kufad/ Norazri

www.mimos.my © 2006 MIMOS Berhad. All rights reserved.

Thank you

FAB 1.The physical maintenance of system is carried out once every 2 years. In view of the current condition, it as recommend that the servicing and maintenance is carried out on yearly basis. There will be interruption to the FAB operation, but the plan maintenance is to minimize unplanned downtime, as a result of mechanical

failure.