Cable Tunnel

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PROPOSEDPROPOSEDPROPOSEDPROPOSED

CABLECABLE TUNNELTUNNELFORFOREXPRESSWAYGROUPEXPRESSWAYGROUP 22 PROJECTPROJECT 2727

15June201515June2015

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PROPOSEDCABLESTACKINGFORPROPOSEDCABLESTACKINGFOREXPRESSWAYPROGRAMMEEXPRESSWAYPROGRAMME

CONTENTSCONTENTS

1.1. INTRODUCTIONINTRODUCTION2.2. UNDERGROUNDINSTALLATIONMETHODSUNDERGROUNDINSTALLATIONMETHODS3.3. GENERALARRANGEMENTSGENERALARRANGEMENTS4.4. ELECTRICALELECTRICAL5.5. MECHANICALMECHANICAL6.6. CONSTRUCTIONCONSTRUCTION6.6. CONSTRUCTIONCONSTRUCTION7.7. UTILITYBUILDINGSUTILITYBUILDINGS

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PROPOSEDCABLETUNNELFORPROPOSEDCABLETUNNELFOREXPRESSWAYPROGRAMMEEXPRESSWAYPROGRAMME

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CORRIDORISSUES:BASISFORCABLETUNNELSCORRIDORISSUES:BASISFORCABLETUNNELS

LIMITEDCORRIDORSPACEAVAILABLE LARGENUMBEROFCIRCUITSTODIVERT/ROUTEWITHIN

THEAVAILABLECORRIDOR MMUPADVISEDTHATNOFURTHERLANDTAKEWILLBE

APPROVEDAPPROVED

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AL JAMIAAREQUIRED CORRIDOR = 5.8m

AL MARKHIYAREQUIRED CORRIDOR = 26 7m

M

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A

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AL MARKHIYA STREET

L=823m

AVAILABLE CORRIDOR = 1.3mREQUIRED CORRIDOR = 26.7mAVAILABLE CORRIDOR = 5.2m

A

L

J

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M

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L

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Q

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EL=555m

L=442m

L=529mL=487m

L=381m

CORRIDOR CONSTRAIN AREAS

L=381m

AL ISTIQLALREQUIRED CORRIDOR = 22.8mAVAILABLE CORRIDOR = 5.2m

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CORRIDOR CONSTRAIN AREAS

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EXISTING ROAD LEVEL

FINISHED ROAD LEVEL

ACCESS AND VENT SHAFTS ACCESS AND

VENT SHAFTSVENT SHAFTS

PROPOSED CABLE TUNNELPROPOSED CABLE TUNNEL

AL MARKHIYA: PLAN AND PROFILE

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2.1UNDERGROUNDINSTALLATIONMETHODS2.1UNDERGROUNDINSTALLATIONMETHODS

METHOD CAUSE1. DIRECT BURIED INADEQUATE UTILITY CORRIDOR

AT FEW AREASAT FEW AREAS2. CABLE STACKING NO FINAL CONSENT FROM

RESPECTIVE AGENCIES3 CABLE TUNNEL SIMPLE CONSTRUCTION AND3. CABLE TUNNEL

- CUT AND COVERSIMPLE CONSTRUCTION AND INEXPENSIVE WHILE COMPARING TBM (TUNNEL BORING METHOD)

4. CABLE TUNNEL - TBM EXPENSIVE AMONG OPTIONS

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2.2TYPICALSECTIONSOFCABLETUNNELS2.2TYPICALSECTIONSOFCABLETUNNELS

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CABLE TUNNEL via TBMCABLE TUNNEL via CUT & COVER

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2.3CUTANDCOVER3DVIEWS2.3CUTANDCOVER3DVIEWS

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2.42.4TBMTBM TUNNELBORINGMETHODTUNNELBORINGMETHOD 3DVIEWS3DVIEWS

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3.1GENERALARRANGEMENT3.1GENERALARRANGEMENT

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TUNNEL SECTION ACCESS SHAFT

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3.2GENERALARRANGEMENT3.2GENERALARRANGEMENT 3DVIEW3DVIEW

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PROPOSEDCABLEGALLERYFORPROPOSEDCABLEGALLERYFOREXPRESSWAYPROGRAMMEEXPRESSWAYPROGRAMME

3.33.3TBMTBM GENERALARRANGEMENTGENERALARRANGEMENT 3DVIEWS3DVIEWS

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4.1CABLESANDFEEDERS4.1CABLESANDFEEDERS

ALISTIQLAL1CABLEGALLERYNORTHWEST

TYPE QU ID

EHV 6FEEDERS

NEWDOHA A/WBS 1(220KV) 1

NEWDOHA A/WBS 2(220KV) 1

NEWDOHA A/NEWDOHA J(132KV) 4

WEST BAY SUPER 2 / NEW DOHA A (66 KV) 1

HV 5FEEDERS

WESTBAYSUPER 2/NEWDOHA A(66KV) 1

NEWDOHA J/HAMADMEDICALCITY(66KV) 2

NEWDOHA A/NEWDOHA D(66KV) 2

MV 3FEEDERS SS/SS

SECTION

/

LV 3CABLES FP'S

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PLAN

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4.2CABLEENTRYDETAILS4.2CABLEENTRYDETAILS

MULTI CABLE TRANSITS

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4.3DISTRIBUTIONANDDIVERSION4.3DISTRIBUTIONANDDIVERSION

CABLE TRANSITS

DISTRIBUTION AND DIVERSION

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DISTRIBUTION AND DIVERSION

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4.44.4TBMTBM CABLEENTRYANDTRANSITSCABLEENTRYANDTRANSITS

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4.5TUNNELLIGHTING4.5TUNNELLIGHTING

LUXLEVEL:250LUXLEVEL:250 300LUX300LUX SURFACE MOUNTED LIGHT FITTINGSSURFACE MOUNTED LIGHT FITTINGS SURFACEMOUNTEDLIGHTFITTINGS,SURFACEMOUNTEDLIGHTFITTINGS,

NORMAL/EMERGENCYWITHBUILTINNORMAL/EMERGENCYWITHBUILTINBATTERIESFOR3HRSBATTERIESFOR3HRSS O 3 SS O 3 S

30%LIGHTINGFIXTURESTOBEEQUIPPED30%LIGHTINGFIXTURESTOBEEQUIPPEDWITH BUILT IN BATTERIESWITH BUILT IN BATTERIESWITHBUILTINBATTERIESWITHBUILTINBATTERIES

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4.7REDUNDANCY4.7REDUNDANCY

100% STANDBY DIESEL GENERATOR BACKUP100% STANDBY DIESEL GENERATOR BACKUP 100%STANDBYDIESELGENERATORBACKUP100%STANDBYDIESELGENERATORBACKUP UPSANDBATTERYUPSANDBATTERY EMERGENCYPOWERBACKUPEMERGENCYPOWERBACKUP

FORLIFESAFETYFORLIFESAFETY

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PROPOSEDCABLESTACKINGFORPROPOSEDCABLESTACKINGFOREXPRESSWAYPROGRAMMEEXPRESSWAYPROGRAMME

4.6MONITORINGANDCONTROLLING4.6MONITORINGANDCONTROLLING24 7 REMOTE SURVEILANCE OF24 7 REMOTE SURVEILANCE OF 24x7REMOTESURVEILANCEOF24x7REMOTESURVEILANCEOFCABLEPERFORMANCEVIACABLEPERFORMANCEVIAENERGY MANAGEMENT SYSTEMSENERGY MANAGEMENT SYSTEMSENERGYMANAGEMENTSYSTEMSENERGYMANAGEMENTSYSTEMS

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PROPOSEDCABLETUNNELSFORPROPOSEDCABLETUNNELSFOREXPRESSWAYPROGRAMMEEXPRESSWAYPROGRAMME

5.1TUNNELVENTILLATION5.1TUNNELVENTILLATION

MAX TEMPERATURE IN TUNNEL TO BEMAX TEMPERATURE IN TUNNEL TO BE MAX.TEMPERATUREINTUNNELTOBEMAX.TEMPERATUREINTUNNELTOBENOGREATERTHAN6NOGREATERTHAN6CABOVECABOVEAMBIENT TEMPERATUREAMBIENT TEMPERATUREAMBIENTTEMPERATUREAMBIENTTEMPERATURE CONSIDERED52CFORDOHACONSIDERED52CFORDOHA

MIN AIR VELOCITY SHALL BE 0 5 m/sMIN AIR VELOCITY SHALL BE 0 5 m/s MIN.AIRVELOCITYSHALLBE0.5m/s.MIN.AIRVELOCITYSHALLBE0.5m/s.THISMAYINCREASEDTO2m/sTOTHISMAYINCREASEDTO2m/sTOPREVENTLAYERINGOFTOXICGASESPREVENTLAYERINGOFTOXICGASES

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5.2VENTILLATIONSHAFTS5.2VENTILLATIONSHAFTS SUPPLYANDEXTRACTFANSATSUPPLYANDEXTRACTFANSAT

MAX.LENGTHOFMAX.LENGTHOF500500MM

POSSIBILITYOFARCHITECTURALTREATMENTPOSSIBILITYOFARCHITECTURALTREATMENT

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5.3SMOKEEXTRACTION5.3SMOKEEXTRACTION

DUALSPEEDFANSFORNORMALDUALSPEEDFANSFORNORMALVENTILLATIONANDSMOKEEXTRACTIONVENTILLATIONANDSMOKEEXTRACTION

SMOKE,HEAT&COSENSORSTOACTIVATESMOKE,HEAT&COSENSORSTOACTIVATESMOKEEXTRACTIONSMOKEEXTRACTION

FULLYREVERSIBLEFANSTOMANAGETHEFULLYREVERSIBLEFANSTOMANAGETHEAIRFLOWDIRECTIONDURINGFIREAIRFLOWDIRECTIONDURINGFIREANDRATEDAT300ANDRATEDAT300CFOR1.5HOURSCFOR1.5HOURS

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5.4FIREDETECTIONANDPROTECTION5.4FIREDETECTIONANDPROTECTION

FIREDETECTIONANDFIREALARMSYSTEMSFIREDETECTIONANDFIREALARMSYSTEMSASPERQCCD,NFPA,BSASPERQCCD,NFPA,BS

DRYTYPEDRYTYPEFIRESUPPRESSIONSYSTEMSFIRESUPPRESSIONSYSTEMS

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5.5DRAINAGE5.5DRAINAGE WATER RUN OFF FROM ACCIDENTAL SPILL OR LEAK TOWATER RUN OFF FROM ACCIDENTAL SPILL OR LEAK TO WATERRUNOFFFROMACCIDENTALSPILLORLEAKTOWATERRUNOFFFROMACCIDENTALSPILLORLEAKTO

BECOLLECTEDATSUMPPUMPSANDDISCHARGEBECOLLECTEDATSUMPPUMPSANDDISCHARGETOSTORMWATERNETWORKTOSTORMWATERNETWORK

DUTYANDSTANDBYSUBMERSIBLEDUTYANDSTANDBYSUBMERSIBLECENTRIFUGALPUMPSCENTRIFUGALPUMPSANDCONTROLPANELSANDCONTROLPANELS

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6.1CONSTRUCTION6.1CONSTRUCTION OPENCUTANDCOVEROPENCUTANDCOVER

CONSTRUCTION STAGESCONSTRUCTION STAGES

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M i J ki P

6.2PIPEJACKINGANDMICROTUNNELING6.2PIPEJACKINGANDMICROTUNNELINGMain Jacking PressureD 3000 : 2000 Ton (200Ton*10EA)D 2500 : 1600 Ton (200Ton*8EA)

Intermediate Jacking Pressure g(Stroke : 70 cm)D 3000 : 1875 Ton (75Ton* 25EA)D 2500 : 1500 Ton (75Ton* 20EA)

Intermediate Jacking Location1st I.P : 60m (from head)2nd I.P : 120m (from 1st I.P)3rd I.P : 120m (from 2nd I.P)

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( )4th I.P : 120m (from 3rd I.P)

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6.3JACKINGANDRECEIVINGSHAFTS6.3JACKINGANDRECEIVINGSHAFTS

TYPICAL JACKING SHAFT TYPICAL RECEIVING SHAFT

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6.4MICROTUNNELSHAFTSPLATFORMANDLADDER6.4MICROTUNNELSHAFTSPLATFORMANDLADDER

TYPICAL PLATFORM AND LADDER IN TUNNEL SHAFTS

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6.5CABLETUNNEL6.5CABLETUNNELRESCUESYSTEMRESCUESYSTEM

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7.1UTILITYBUILDINGS7.1UTILITYBUILDINGS

REQUIREDAREA=30mx30m(APROX.)REQUIREDAREA=30mx30m(APROX.)(RESERVESPACEFORTRANSFORMER,SWITCHGEAR,MECHANICAL,(RESERVESPACEFORTRANSFORMER,SWITCHGEAR,MECHANICAL,UPS,BATTERY,CONTROLPANELS,COMMANDROOMS,TELECOM,UPS,BATTERY,CONTROLPANELS,COMMANDROOMS,TELECOM,GENERATOR,FUELTANK,CLEANAGENT,STORE,..)GENERATOR,FUELTANK,CLEANAGENT,STORE,..)

REQUIRESLANDACQUISITIONREQUIRESLANDACQUISITION

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7.3UTILITYBUILDINGS7.3UTILITYBUILDINGS LOCATIONSLOCATIONS

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ALMARKHIYAUTILITYBUILDINGALMARKHIYAUTILITYBUILDING ALJAMIAAUTILITYBUILDINGALJAMIAAUTILITYBUILDING

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7.3UTILITYBUILDINGS7.3UTILITYBUILDINGS LOCATIONSLOCATIONSN

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ALISTIQLAL1&2UTILITYBUILDINGALISTIQLAL1&2UTILITYBUILDING ALISTIQLAL3&4UTILITYBUILDINGALISTIQLAL3&4UTILITYBUILDING

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QQ QQ

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Cable Tunnel