cable stacking rev 01

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PROPOSEDPROPOSEDPROPOSEDPROPOSED

CABLESTACKINGCABLESTACKINGFOREXPRESSWAYPROJECTSFOREXPRESSWAYPROJECTS

06July201506July2015

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PROPOSEDCABLESTACKINGFORPROPOSEDCABLESTACKINGFOREXPRESSWAYPROGRAMMEEXPRESSWAYPROGRAMME

CONTENTSCONTENTS1.1. INTRODUCTIONINTRODUCTION2.2. UNDERGROUNDINSTALLATIONMETHODSUNDERGROUNDINSTALLATIONMETHODS3.3. CABLESTACKINGCABLESTACKING4.4. MAINTENANCEMAINTENANCE5.5. CONSTRUCTIONCONSTRUCTION6.6. FUTURESUBSTATIONFUTURESUBSTATION7.7. CURRENTCARRYINGCAPACITYCURRENTCARRYINGCAPACITY8.8. CABLEPULLINGCABLEPULLING9.9. COSTANDTIMECOSTANDTIME00 S O SS O S

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10.10. INSTALLATIONREFERENCESINSTALLATIONREFERENCES

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CORRIDORISSUES:BASISFORCABLESTACKINGCORRIDORISSUES:BASISFORCABLESTACKING

LIMITEDCORRIDORSPACEAVAILABLE LARGENUMBEROFCIRCUITSTODIVERT/ROUTEWITHIN

THEAVAILABLECORRIDOR MMUPADVISEDTHATNOFURTHERLANDTAKEWILLBE

APPROVEDAPPROVED

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RAS ABU ABOUD STREETREQUIRED CORRIDOR = 13.5 mAVAILABLE CORRIDOR = 2.7 m

A RING ROAD

L= 2900 m

A RING ROAD

L= 2850 m B RING ROAD

B RING ROADREQUIRED CORRIDOR = 12.5 mAVAILABLE CORRIDOR = 2.5 m

CORRIDOR CONSTRAINS5

CORRIDOR CONSTRAINS

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2.1OPTIONSATCONSTRAINTAREAS2.1OPTIONSATCONSTRAINTAREAS

CABLE STACKING

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CABLE TUNNEL via CUT & COVER CABLE TUNNEL via TBM

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2.2UNDERGROUNDINSTALLATIONMETHODS2.2UNDERGROUNDINSTALLATIONMETHODSMETHOD CAUSE

1. DIRECT BURIED INADEQUATE UTILITY CORRIDOR AT FEW AREAS

2. CABLE STACKING SIMPLE CONSTRUCTION LESS EXPENSIVE NO RUNNING COST MINIMUM MAINTENANCE REQUIRED

3 CABLE TUNNEL REQUIRED REGULAR MAINTENANCE3. CABLE TUNNEL - CUT AND COVER

REQUIRED REGULAR MAINTENANCE REQUIRES ADDITIONAL LAND TAKE FORUTILITY BUILDINGS AND VENTILLATION SHAFTS

EXPENSIVE4. CABLE TUNNEL

- TBM MOST EXPENSIVE AMONG OPTIONS REQUIRED REGULAR MAINTENANCE REQUIRES ADDITIONAL LAND TAKE FORUTILITY BUILDINGS AND VENTILLATION SHAFTS

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UTILITY BUILDINGS AND VENTILLATION SHAFTS

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3)CABLESTACKING3)CABLESTACKING CABLE ARRANGEMENTS IN DUCT BANKSCABLE ARRANGEMENTS IN DUCT BANKS CABLEARRANGEMENTSINDUCTBANKSCABLEARRANGEMENTSINDUCTBANKS

3150

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3.1)CABLESTACKING3.1)CABLESTACKING

TYPICALDUCTARRANGEMENTTYPICALDUCTARRANGEMENT SEPARATEUPVCDUCTSFOREVERYCABLESSEPARATEUPVCDUCTSFOREVERYCABLES SPACINGBETWEENDUCTSHAVEBEENSPACINGBETWEENDUCTSHAVEBEENS C G UC SS C G UC S

DERIVEDUPONTHESIMULATIONRESULTSDERIVEDUPONTHESIMULATIONRESULTS

3150

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3.2)SAFETYANDRELIABILITY3.2)SAFETYANDRELIABILITY

DEDICATEDACCESSDEDICATEDACCESSFOREVERYSYSTEMVOLTAGESFOREVERYSYSTEMVOLTAGES

LVACCESSCHAMBERLVACCESSCHAMBER MV ACCESS CHAMBERMV ACCESS CHAMBERMVACCESSCHAMBERMVACCESSCHAMBER HVACCESSCHAMBERHVACCESSCHAMBER EHVACCESSCHAMBEREHVACCESSCHAMBER

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LV ACCESS CHAMBERLV ACCESS CHAMBER LVACCESSCHAMBERLVACCESSCHAMBER MAINTENANCEANDMATERIALACCESSMAINTENANCEANDMATERIALACCESS

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LV CHAMBERLV CHAMBER LVCHAMBERLVCHAMBER

2.3m

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MV ACCESS CHAMBERMV ACCESS CHAMBER MVACCESSCHAMBERMVACCESSCHAMBER MAINTENANCEANDMATERIALACCESSMAINTENANCEANDMATERIALACCESS

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MV CHAMBERMV CHAMBER MVCHAMBERMVCHAMBER

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EHV ACCESS CHAMBEREHV ACCESS CHAMBER EHVACCESSCHAMBEREHVACCESSCHAMBER UPPERCONFIGURATIONUPPERCONFIGURATION MAINTENANCEANDMATERIALACCESSMAINTENANCEANDMATERIALACCESS

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EHV CHAMBEREHV CHAMBER EHVCHAMBEREHVCHAMBER UPPERCONFIGURATIONUPPERCONFIGURATION

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EHV ACCESS CHAMBEREHV ACCESS CHAMBER EHVACCESSCHAMBEREHVACCESSCHAMBER DOWNCONFIGURATIONDOWNCONFIGURATION MAINTENANCEANDMATERIALACCESSMAINTENANCEANDMATERIALACCESS

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EHV CHAMBEREHV CHAMBER EHVCHAMBEREHVCHAMBER DOWNCONFIGURATIONDOWNCONFIGURATION

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3.7)SUSTAINABLEDESIGN3.7)SUSTAINABLEDESIGN

80 YEARS OF RESOLUTION80 YEARS OF RESOLUTION 80YEARSOFRESOLUTION80YEARSOFRESOLUTION 40YEARSOFLIFESPAN40YEARSOFLIFESPAN

FOR THE INSTALLED CABLESFOR THE INSTALLED CABLESFORTHEINSTALLEDCABLESFORTHEINSTALLEDCABLES

SPAREFOR41TO80YEARSSPAREFOR41TO80YEARS ECOFRIENDLYECOFRIENDLY

REDUCED CARBON FOOTAGESREDUCED CARBON FOOTAGES REDUCEDCARBONFOOTAGESREDUCEDCARBONFOOTAGES NOMEPEQUIPMENTSNOMEPEQUIPMENTSDIESELGENERATOR,MOTORS,..DIESELGENERATOR,MOTORS,..

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, ,, ,

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ECO FRIENDLYECO FRIENDLY ECOFRIENDLYECOFRIENDLY SOFTLANDSCAPINGPOSIBILITYSOFTLANDSCAPINGPOSIBILITY

TO REDUCE URBAN HEAT RADIATIONSTO REDUCE URBAN HEAT RADIATIONS TOREDUCEURBANHEATRADIATIONSTOREDUCEURBANHEATRADIATIONS IMPROVEDAIRQUALITYIMPROVEDAIRQUALITYAND LOWER GREENHOUSE EMISSIONSAND LOWER GREENHOUSE EMISSIONSANDLOWERGREENHOUSEEMISSIONSANDLOWERGREENHOUSEEMISSIONS

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NO MECHANICAL EQUIPMENTSNO MECHANICAL EQUIPMENTS NOMECHANICALEQUIPMENTSNOMECHANICALEQUIPMENTS JUMBOJETFAN,SMOKEEXTRACTFANJUMBOJETFAN,SMOKEEXTRACTFAN

FIRE PUMPFIRE PUMP FIREPUMPFIREPUMP CHILLERCHILLER DIESEL GENERATORDIESEL GENERATOR DIESELGENERATORDIESELGENERATOR MOTORMOTOR

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SAVE EARTHSAVE EARTH ENERGY SAVINGSENERGY SAVINGS SAVEEARTHSAVEEARTH ENERGYSAVINGSENERGYSAVINGS SAVELIGHTINGENERGYSAVELIGHTINGENERGY WATER (e g FIRE WATER PIPING)WATER (e g FIRE WATER PIPING) WATER(e.g.,FIREWATER,PIPING)WATER(e.g.,FIREWATER,PIPING) FUEL(e.g.,STANDBYDIESELGENERATOR)FUEL(e.g.,STANDBYDIESELGENERATOR) KEEPTHEENVIRONMENTCOOL(HEATFROMKEEPTHEENVIRONMENTCOOL(HEATFROM((

FANS)FANS) POWERCONSUMPTIONPOWERCONSUMPTION

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HAZARDOUSHAZARDOUS HAZARDOUSHAZARDOUS INCASEOFFIREINADUCT,THEREWILLINCASEOFFIREINADUCT,THEREWILL

BENOCHANCETOSPREADORDAMAGEBENOCHANCETOSPREADORDAMAGETHEOTHERCABLESTHEOTHERCABLES

CONCRETEENCASEMENTEFFECTIVELYCONCRETEENCASEMENTEFFECTIVELYPROTECTS THE CABLE DURING THEPROTECTS THE CABLE DURING THEPROTECTSTHECABLEDURINGTHEPROTECTSTHECABLEDURINGTHEGROUNDMOVEMENTGROUNDMOVEMENT

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4)MAINTENANCE4)MAINTENANCE MAINTAINABILITYMAINTAINABILITY MAINTAINABILITYMAINTAINABILITY

LIGHTMAINTENANCEFORCHAMBERSLIGHTMAINTENANCEFORCHAMBERS NO MAINTENANCE FOR DUCT BANKSNO MAINTENANCE FOR DUCT BANKSNOMAINTENANCEFORDUCTBANKSNOMAINTENANCEFORDUCTBANKS

NOPERIODICMAINTENANCENOPERIODICMAINTENANCE SAVE REQULAR / ANNUAL MAINT CONTRACTSSAVE REQULAR / ANNUAL MAINT CONTRACTS SAVEREQULAR/ANNUALMAINT.CONTRACTSSAVEREQULAR/ANNUALMAINT.CONTRACTS

FUTURECABLEINSTALLATIONFUTURECABLEINSTALLATION NOEXCAVATIONISREQUIREDNOEXCAVATIONISREQUIRED

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5)CONSTRUCTION5)CONSTRUCTION

CONSTRUCTABILITYCONSTRUCTABILITY NO SPECIALIZED CONTRACTOR FORNO SPECIALIZED CONTRACTOR FORNOSPECIALIZEDCONTRACTORFORNOSPECIALIZEDCONTRACTORFOR

CIVILWORKSCONSTRUCTIONCIVILWORKSCONSTRUCTION

NO MOBILIZATION PERIODNO MOBILIZATION PERIOD NOMOBILIZATIONPERIODNOMOBILIZATIONPERIOD(APPROX.12MONTHS)FORSPECIAL(APPROX.12MONTHS)FORSPECIALMACHINERYISREQUIREDMACHINERYISREQUIREDQQ

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6)FUTURESUBSTATION6)FUTURESUBSTATION

DIRECTLY BURIED CABLING POSSIBILITYDIRECTLY BURIED CABLING POSSIBILITY DIRECTLYBURIEDCABLINGPOSSIBILITYDIRECTLYBURIEDCABLINGPOSSIBILITYFUTURE

SUBSTATION

FUTURE

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SUBSTATION

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7)AMPACITYCALCULATIONS7)AMPACITYCALCULATIONS RESULTS OF CALCULATIONRESULTS OF CALCULATION RESULTSOFCALCULATIONRESULTSOFCALCULATION

FROMANAPPROVEDFROMANAPPROVEDKAHRAMAACONTRACTORKAHRAMAACONTRACTOR

CABLE DETAILS AMPACITY REQUIRED AMPACITY OFFEREDCABLE DETAILS AMPACITY REQUIRED AMPACITY OFFERED

220 KV 2500 SQ.MM 515 MVA 531 MVA220 KV 1600 SQ.MM 315 MVA 315 MVA

66 KV 400 SQ.MM 40 MVA 40 MVA11 KV 240 SQ.MM 6.5 MVA 6.5 MVA

MAXIMUM CONDUCTOR TEMPERATURE 86 76 C

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MAXIMUM CONDUCTOR TEMPERATURE 86.76 CWHEN 4 CIRCUITS OPERATING AT 100% LOAD, OUTSIDE TEMP. AT SHAFT IS 58C

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8)CABLEPULLINGCALCULATIONS8)CABLEPULLINGCALCULATIONS RESULTSOFCALCULATIONFROMANRESULTSOFCALCULATIONFROMAN

APPROVEDKAHRAMAACONTRACTORAPPROVEDKAHRAMAACONTRACTOR

LENGTH OF 650 M

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9)COSTANDTIME9)COSTANDTIMETYPE INITIAL COST CONST TIME LCCTYPE INITIAL COST CONST. TIME LCC

CABLE STACKING370,000,000.00 QR- THREE HUNDRED

AND SEVENTY24 TO 30 MONTHS

NO RUNNING COST

AND SEVENTY MILLION

MONTHS

CABLE TUNNEL740,000,000.00 QR

- SEVEN HUNDRED 24 TO 30RUNNING

COST TO BECABLE TUNNEL- CUT AND COVER

SEVEN HUNDRED AND FORTY

MILLION

24 TO 30MONTHS

COST TO BE ADDED

1,200,000,000.00 QR RUNNING CABLE TUNNEL

- TBM- 1.2 BILLION 48 TO 60

MONTHSCOST TO BE

ADDED

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TOTAL LENGTH = 6 KM

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10)INSTALLATIONREFERENCES10)INSTALLATIONREFERENCES

@ KOREA

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@ KOREA

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10)INSTALLATIONSAMPLES10)INSTALLATIONSAMPLES

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EXAMPLE OF CABLE ARRANGEMENT IN EHV / HV ACCESS CHAMBERS

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TRENCHING DUCTS

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PRECAST ACCESS CHAMBER

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PRECAST DUCT BANKC S UC

PRECAST ACCESS SHAFTS

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PRECAST ACCESS SHAFTS

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DUCTILE IRON HEAVY DUTY COVER AND FRAME - WATER TIGHT

CONCRETE COVER SLAB

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CABLE ENTRIES IN ACCESS CHAMBERS

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cable stacking rev 01

Documents

cable tunnel cut

cable tunnel tbm

cut cover cable tunnel

mavailable corridor

ma ring roadl

forutility buildings

additional land

regular maintenance3