Information Classification: PROPRIETARY

CombinedCycleUpgradeWorks

BlackPointPowerStation

forImprovedEfficiency&LowerEmission

DavidYipSeniorProjectManager

AGENDA

2 Information Classification: PROPRIETARY

1.   AboutCLPGroup

2.   Introduction

3.  DesignandEngineering

4.  ProjectExecution

5.   ResultsandDiscussions

TheCLPGroupWeareaninvestorandoperatorintheenergysectoroftheAsia-Pacificregion.Forover100years,wehavepoweredHongKong’sdynamicandspectaculargrowthandweconGnuetodeliverahighlyreliablesupplyofelectricitytoover80%ofthecity’spopulaGon.Today,ourbusinessspansacross Mainland China, India, Southeast Asia, Taiwan and Australia.Whereweoperate,webecomepartofthesocialandeconomicfabricofthelocalcommuniGesweserve,workingtogetherwiththemtoachievesustainablegrowth.

ABOUTUS

Information Classification: PROPRIETARY

REGIONALPRESENCE

Indiaü  DiversifiedgeneraGon

porVolio:coal,gasandrenewableenergy

ü  AmongstthelargestforeignpowercompaniesandrenewableenergyproducersinIndia

MainlandChinaü  InvolvedinMainlandChina’s

powerindustrysince1979ü  Oneofthelargestexternal

independentpowerproducers

ü  Focusingoncleanandlow-carbonenergy,includingnuclearandrenewables

HongKongü  verGcally-integrated

regulatedbusinessü  2.50millioncustomer

accounts&80%oflocalsupply

ü World-classelectricitysupplywithareliabilityrateofover99.999%

SoutheastAsiaandTaiwanü  Presentsince1994ü  CurrentinterestsincludeHo-

PingPowerStaGoninTaiwanandLopburisolarprojectinThailand

ü  Co-developingtwoprojectsinVietnam

Australiaü  Aretail-focusedenergy

businessü  Serving2.64million

customeraccountsacrosssoutheastAustralia

ü  SupportedbycompeGGvely-pricedenergyfromitsgeneraGonporVolio

Asat30June2016,CLPcomprisedover80assetswith18,181MWofequitygeneratingcapacityand4,988MWofcapacitypurchase,sixdifferentenergysourcesandabout5.14millioncustomeraccounts.

4 Information Classification: PROPRIETARY

High Voltage Network Customer Service Centre Black Point Power Station

q  Electricitysuppliersince1901q  Weownandoperateanelectricitysupplybusiness

§  GeneraGon:4,836equityMW,represenGng70%ofinstalledgeneraGngcapacity(6,908MW)ownedbyCAPCO,operatedbyCLPPowerHongKong

§  CLPPowerHongKongpurchasesitspowerfromCAPCO,HongKongPumpedStorageDevelopmentCompany,Limited,andGuangdongDayaBayNuclearPowerStaGon.Thesesourcesofpoweramounttoatotalcapacityof8,888MWavailabletoservetheHongKongelectricitybusiness

§  CustomerService:2.50millioncustomeraccounts,represenGngover80%ofHongKong’spopulaGon

q  WeareregulatedbytheHongKongGovernmentunderaSchemeofControlAgreement

CLPINHONGKONG

As at 30 June 2016 5 Information Classification: PROPRIETARY

INTRODUCTION

6 Information Classification: PROPRIETARY

BlackPointPowerStaGonq 8unitsofCombinedCycleGasTurbineCCGTwithtotalcapacityof

around2,500MW

Oct 2016

INTRODUCTION

7 Information Classification: PROPRIETARY

•  Achieveoutstandingstandardsofsafety,healthandenvironmentalPerformance

•  SafetyisthetopprojectprioritySafety

•  Increasecombinedcycleefficiency,reducecarbonfootprint

•  ImproveNOxemissionlevel•  Increasecombinedcyclepoweroutput

UpgradedAssets

•  ManagecostswithinbudgetCostEffectiveness

•  CompletetheProjectwithintheschedule Schedule

•  Incorporatelessonslearnt•  PeopledevelopmentPeople&Competency

ProjectObjecGveStatement

Oct 2016

DESIGNANDENGINEERING

8 Information Classification: PROPRIETARY

ChangesToThermalCycle

η brayton = Ideal Brayton Cycle (thermal) efficiency

= 1 − 1𝑅𝑝 (𝑘−1)/𝑘

and Maximum WorkNET

when Rp = ( 𝑇𝑚𝑎𝑥𝑇𝑚𝑖𝑛

)𝑘

2𝑘−2

where Tmax (i.e. T3 limited by metallurgy) and Tmin (i.e. T1 set by air temperature at inlet)

q  Increasingturbinefiringtemperature&compressorcompressionratiotoproducehighercycleefficiencyandgenerationoutput

q  Selectionofnewcombustionsystemwillhavetostrikeadelicatebalancebetweenoutput,efficiency,combustiondynamics,carbonmonoxide,andNOxemission.

Oct 2016

DESIGNANDENGINEERING

9 Information Classification: PROPRIETARY

OriginalDesignMargins

Space&FootprintConstraints

Opera5onalregime

EarlyConstructabilityReview

Maintainability&Operability

UpgradeFeasibility

PreFront-endandFront-endEngineering

Final/DetailedDesignbyOEMContractors

DesignBasis

ScopeDefini5on

BoundaryLimits/Condi5ons

ControlPhilosophy

MechanicalDesign

ElectricalDesign

Instrumenta5onDesign

Issued-for-Construc5onDrawings

HolisGcEngineeringApproach

Oct 2016

DESIGNANDENGINEERING

10 Information Classification: PROPRIETARY

3-Ddesigniterativemodelling

Constructabilityreview:installation&

precisesizing

Lasersurvey:spacecharacterization&

interference

ChallengesofMajorBrownfieldProject

Oct 2016

DESIGNANDENGINEERING

11 Information Classification: PROPRIETARY

HeatRecoverySteamGenerator(HRSG):De-aeratorcontrolmodifications

GasTurbine:Mainareaofupgrade

SteamTurbine:Low-PressureStage2diaphragm.

Generator:•  UpgradetoLoad

CommutatedInverter•  Nohardwareenhancement

forgenerator

GeneratorTransformer:Coolingsystemenhancement

ScopeofWorksDefiniGon

Oct 2016

DESIGNANDENGINEERING

12 Information Classification: PROPRIETARY

Replaceexistingcompressorandrotor

Upgradeallhot-gas-pathcomponents

Replacethedrylow-NOxcombustionsystem

Replacethegasfuelcontrolsystem

Upgradegasturbineauxiliariessystem

Upgradethegeneratortransformercoolingsystem

Modifypartoftheexcitationsystem,someothersonsteamcycle

ScopeofWorksDefiniGon

Oct 2016

PROJECTEXECUTION

13 Information Classification: PROPRIETARY

•  HazardandOperabilityAnalysis•  Siteengineeringreports•  Designreview,designfreeze

EngineeringManagement

•  Commondocumentmanagementsystem•  Security,changestracking,versioncontrol

DocumentManagement

•  Check,receive,store,bookkeep&dispatch

•  Discrepancyreportforomission/shortfallMaterialsManagement

•  Contractorsiteexecutionplans•  Technicaladvisorsonquality/soundnessofcompletion

ConstructionPlanning

RobustProjectManagement&Governance

Oct 2016

PROJECTEXECUTION

14 Information Classification: PROPRIETARY

ProjectMilestone CompleGonDate

Placeorderforengineering&equipmentsupply

Sep2014

PlaceordertoInstalla5onContractors May2015

DeliveryofmajorequipmenttoSite-  MajorTurbineParts-  FuelGasSystem

May2015Jul2015

CommencementofSiteConstruc5on Sep2015

AllSiteWorks(incl.Tes5ng&Commissioning)Finish

Apr2016

ProjectMilestonefortheFirstUnitUpgrade

Oct 2016

PROJECTEXECUTION

15 Information Classification: PROPRIETARY

Construc5on

• WalkSystems• PreparePunch-list• Constructioncompletioncheck-list

• ElectricalC&Isystem• Polarity• Loopcontinuitycheck• Meggertest

• Mechanicalsystem• Installation&coldalignment

• Cleanlinessandpreseravation

• Pressuretesting• NDT

ColdCommissioning

• SystemWalk-down• LinesWalk-down• PreparePunch-list• Cleaninganddraining• Flushingoflube/sealoil• Leaktesting• Purging• Finalequipmentalignment

• Energizingequipment• Motorno-load• Cause-and-effecttesting• Panelandfunctiontesting

• Switchgearfunctiontest• Controlsysteminterfacetesting

• Loadingfuel• Completehotcommissioningprocedures

• Pre-startupReview• ColdCommissioningCheck-lists

HotCommissioning&TestsonComple5on• Startupandoperations

readinessreview• Systemfunctionaltests• CCGTfunctionaltests• FirstFire• GreenRotorRun-in• FirstSynchronization• Combustionsystemtuning&optimization

• Base-load,part-loadtest• Fueltransfertests• Performancetests,efficiency,output,emissions,etc

• Reliabilitytests

StableOpera5ons

• Commenceoperations• Reliabilityimprovements

Custodianship:ProjectConstruc5onGroup

Custodianship:System

CompletionGroup

Custodianship:

PowerStationOperations

Stage-by-Stage/System-by-SystemCommissioning

Oct 2016

PROJECTEXECUTION

16 Information Classification: PROPRIETARY

Aerialviewshowinggasturbinesystemsinstallation

Internalviewshowingtheinstallationofnewcombustionsystem

ModificationworksontheFuelGasSupplyInstallationof“spaghetti-like”pipe-work/pipingservingeachofthedual-fuelcombustor

Oct 2016

RESULTSANDCONCLUSIONS

17 Information Classification: PROPRIETARY

50%

70%

90%

110%

130%

150%Safety

Schedule

Efficiency

Output

NOxEmission

UnitLoadTurndown

Plan

Actual

Atotalofabout290,000manhourswererecordedwithoutanylost-Gmeincident,restrictedworksormedicalcase

ResultSummaryofFirstUnitUpgrade

Oct 2016

RESULTSANDCONCLUSIONS

18 Information Classification: PROPRIETARY

ExamplesofCriGcalSuccessFactorsq Peerreviewandlessonslearntfromothersimilarprojectwere

examinedindetails,andimprovements/dueconsiderationswereincorporatedfromthedesignthroughcommissioningtostartup

q Variouspreparednessandreadinessreviewswerecarriedoutpriortoproceedingtovariousstageofprojectexecution,e.g.

§  Designfreeze§  Construc5onreadiness§  Commissioningreadiness

q Implementrobustnessandgovernanceinprojectmanagement

§  Costandschedule§  Technicalsoundness

q Prac5ceasafesystemofworkthroughout

Oct 2016

RESULTSANDCONCLUSIONS

19 Information Classification: PROPRIETARY

q TheFirstUnitUpgradewascompletedinearly2016,inasafemannerandaheadofschedule

q Post-upgrademachineperformancewassa5sfactorywithtestresultsgenerallybeierthanplan

q Henceupgradingexis5ngCCGTgenera5ngunitsprovidesafeasibleandsustainablewaytoimprovetheperformanceoftheen5recombinedcyclefleeton§  Thermalperformance(e.g.efficiency)

§  Emissionperformance(e.g.NOx)§  Carbonfootprint

Conclusions

Oct 2016

Pleasevisitwww.clpgroup.comformoredetails

THANKYOU