cable stacking rev 02 20th august 2015
TRANSCRIPT
8/18/2019 Cable Stacking Rev 02 20th August 2015
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20 August 2015
PROPOSED
CABLE STACKINGFOR EXPRESSWAY PROJECTS
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CONTENTS
1. INTRODUCTION
2. UNDERGROUND INSTALLATION METHOD
3. CABLE STACKING
4. MAINTENANCE5. CONSTRUCTION
6. FUTURE SUBSTATION
. CURRENT CARRYING CAPACITY
!. CABLE PULLING
". COST AND TIME
1#.INSTALLATION REFERENCES
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
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PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
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CORRIDOR ISSUES$ BASIS FORCABLE STACKING
•. LIMITED CORRIDOR SPACE A%AILABLE
•. LARGE NUMBER OF CIRCUITS TO DI%ERT &ROUTE WITHIN THE A%AILABLE CORRIDOR
•. MMUP AD%ISED THAT NO FURTHERLANDTAKE WILL BE APPRO%ED
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
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PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
CORRIDOR CONSTRAINS
RAS ABU ABOUD STREET
REQUIRED CORRIDOR = 13.5 m
AVAILABLE CORRIDOR = 2.7 m
RA S A B U A B
O U D
S T R E E T
L = 2 25 m
L = 21 0 m
L= 2900 m
L= 2850 m
A RING ROAD
B RING ROAD
A L M U N T A Z A H
S T R E E T
A L M A T A R S T R E E T
S A L
A R O A
D
A L ! H A L E E " S T R E E
T
B # RING ROAD
REQUIRED CORRIDOR = 12.5 m
AVAILABLE CORRIDOR = 2.5 m
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2.1 OPTIONS AT CONSTRAINT AREAS
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
CABLE TUNNEL $%& CUT ' COVER CABLE TUNNEL $%& TBM
CABLE STAC!ING
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2 UNDERGROUND INSTALLATION METHMETHOD CAUSE
1. DIRECT BURIED INADEQUATE UTILITY CORRIDOR AT FEW
AREAS
2. CABLE STACKING • SIMPLE CONSTRUCTION
• LESS EPENSI!E
• NO RUNNING COST• MINIMUM MAINTENANCE REQUIRED
3. CABLE TUNNEL
" CUT AND CO!ER
• REQUIRED REGULAR MAINTENANCE
• REQUIRES ADDITIONAL LAND TAKE FOR
UTILITY BUILDINGS AND !ENTILLATION S#AFTS
• EPENSI!E
4. CABLE TUNNEL
" TBM
• MOST EPENSI!E AMONG OPTIONS
• REQUIRED REGULAR MAINTENANCE
• REQUIRES ADDITIONAL LAND TAKE FOR
UTILITY BUILDINGS AND !ENTILLATION S#AFTS
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
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3' CABLE STACKING
CABLE ARRANGEMENTS IN DUCT BA
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
315%
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3.1' CABLE STACKING
PICAL DUCT ARRANGEMENT
SEPARATE UP%C DUCTS FOR E%ERY CABLSPACING BETWEEN DUCTS HA%E BEEN
DERI%ED UPON THE SIMULATION RESULT
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
315%
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1%
3.2' SAFETY AND RELIABILITY DEDICATED ACCESSFOR E%ERY SYSTEM %OLTAGES
L% ACCESS CHAMBER
M% ACCESS CHAMBER
H% ACCESS CHAMBER
EH% ACCESS CHAMBER
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
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3.3' SAFETY AND RELIABILITY
L% ACCESS CHAMBER( MAINTENANCE AND MATERIAL ACCESS
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
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3.3' SAFETY AND RELIABILITY
L% CHAMBER
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
2.3'
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3.4' SAFETY AND RELIABILITY
M% ACCESS CHAMBER( MAINTENANCE AND MATERIAL ACCESS
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
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3.4' SAFETY AND RELIABILITY
M% CHAMBER
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
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3.5' SAFETY AND RELIABILITY
H% ACCESS CHAMBER ) UPPER CONFIGURATI
MAINTENANCE AND MATERIAL ACCESS
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
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3.5' SAFETY AND RELIABILITY
EH% CHAMBER( UPPER CONFIGURATION
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
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3.6' SAFETY AND RELIABILITY
H% ACCESS CHAMBER ) DOWN CONFIGURATI
MAINTENANCE AND MATERIAL ACCESS
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
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1$
3.6' SAFETY AND RELIABILITY
EH% CHAMBER( DOWN CONFIGURATION
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
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3.' SUSTAINABLE DESIGN
!# YEARS OF RESOLUTION
4# YEARS OF LIFE SPAN
FOR THE INSTALLED CABLES SPARE FOR 41 TO !# YEARS
ECO FRIENDLY
REDUCED CARBON FOOTAGES( NO MEP E*UIPMENTSDIESEL GENERATOR+ MOTORS+..
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
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2%
3.' SUSTAINABLE DESIGN
CO FRIENDLY
SOFT LANDSCAPING POSIBILITY ( TO REDUCE URBAN HEAT RADIATION( IMPRO%ED AIR *UALITY
AND LOWER GREENHOUSE EMISSION
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
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3.!' SAFETY AND RELIABILITY
NO MECHANICAL E*UIPMENTS
JUMBO JET FAN+ SMOKE EXTRACT FA
FIRE PUMP CHILLER DIESEL GENERATOR MOTOR
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
PROPOSED CABLE STACKING
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PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
3.!' SUSTAINABLE DESIGN
SA%E EARTH ( ENERGY SA%INGS SA%E LIGHTING ENERGY WATER ,-..+ FIRE WATER+ PIPING'
FUEL ,-..+ STANDBY DIESEL GENERAT KEEP THE EN%IRONMENT COOL ,HEAT
FANS' POWER CONSUMPTION
PROPOSED CABLE STACKING
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3."' SAFETY AND RELIABILITY
/ARDOUS
IN CASE OF FIRE IN A DUCT+ THERE WIL
BE NO CHANCE TO SPREAD OR DAMAGETHE OTHER CABLES
CONCRETE ENCASEMENT EFFECTI%ELY
PROTECTS THE CABLE DURING THEGROUND MO%EMENT
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
PROPOSED CABLE STACKING
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PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
4' MAINTENANCE
INTAINABILITY
LIGHT MAINTENANCE FOR CHAMBERS
NO MAINTENANCE FOR DUCT BANKS
PERIODIC MAINTENANCE
SA%E RE*ULAR & ANNUAL MAINT. CONTRA
TURE CABLE INSTALLATION
NO EXCA%ATION IS RE*UIRED
PROPOSED CABLE STACKING
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5' CONSTRUCTION CONSTRUCTABILITY
NO SPECIALI/ED CONTRACTOR FOR
CI%IL WORKS CONSTRUCTION
NO MOBILI/ATION PERIOD,APPROX. 12 MONTHS' FOR SPECI
MACHINERY IS RE*UIRED
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
PROPOSED CABLE STACKING
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6' FUTURE SUBSTATION
DIRECTLY BURIED CABLING POSSIBI
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
FUTURE
SUBSTATION
FUTURE
SUBSTATION
PROPOSED CABLE STACKING
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6' FUTURE SUBSTATION
ROAD CROSSINGS AND FUTURE POSSIB
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
PROPOSED CABLE STACKING
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6' FUTURE SUBSTATION
TURE M% CONNECTION FROM EXISTING
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
PROPOSED CABLE STACKING
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6' FUTURE SUBSTATION
DIRECTLY BURIED CABLING POSSIBI
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
PROPOSED CABLE STACKING
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3%
' AMPACITY CALCULATIONS
RESULTS OF CALCULATIONFROM AN APPRO%EDKAHRAMAA CONTRACTOR
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
CABLE DETAILS AM(ACIT) REQUIRED AM(ACIT) O**ERED
22% K! 25%% SQ.MM 515 M!A 531 M!A
22% K! 16%% SQ.MM 315 M!A 315 M!A
66 K! 4%% SQ.MM 4% M!A 4% M!A
11 K! 24% SQ.MM 6.5 M!A 6.5 M!A
MA+IMUM CONDUCTOR TEM(ERATURE 8,.7, C0
HEN - CIRCUITS O(ERATING AT 100 LOAD/ OUTSIDE TEM(. AT SHA*T IS 58 C0
PROPOSED CABLE STACKING
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!' CABLE PULLING CALCULATION
RESULTS OF CALCULATION FROM ANAPPRO%ED KAHRAMAA CONTRACTOR
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
LENGTH O* ,50 M
PROPOSED CABLE STACKING
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"' COST AND TIME
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
T)(E INITIAL COST CONST. TIME LCC
CABLE STACKING
37%(%%%(%%%.%% QR
" T#REE #UNDRED
AND SE!ENTY
MILLION
24 MONT#S
NO RUNNING
COST
CABLE TUNNEL
" CUT AND CO!ER
74%(%%%(%%%.%% QR
" SE!EN #UNDRED
AND FORTY
MILLION
36 MONT#S
RUNNING
COST TO BE
ADDED
CABLE TUNNEL
" TBM
1(2%%(%%%(%%%.%% QR
" 1.2 BILLION 4$ MONT#S
RUNNING
COST TO BE
ADDED
TOTAL LENGTH = , !M
PROPOSED CABLE STACKING
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1#' INSTALLATION REFERENCES
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
!OREA
PROPOSED CABLE STACKING
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1#' INSTALLATION REFERENCES
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
!OREA
PROPOSED CABLE STACKING
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1#' INSTALLATION SAMPLES
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
E+AM(LE O* CABLE ARRANGEMENT IN EHV HV ACCESS CHAMBERS
PROPOSED CABLE STACKING
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1#' INSTALLATION SAMPLES
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
TRENCHING DUCTS
PROPOSED CABLE STACKING
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1#' INSTALLATION SAMPLES
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
(RECAST ACCESS CHAMBER
PROPOSED CABLE STACKING
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3$
1#' INSTALLATION SAMPLES
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
PROPOSED CABLE STACKING
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3&
1#' INSTALLATION SAMPLES
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
(RECAST DUCT BAN!
(RECAST ACCESS SHA*TS
PROPOSED CABLE STACKING
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4%
1#' INSTALLATION SAMPLES
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
DUCTILE IRON HEAV) DUT) COVER
AND *RAME ATER TIGHT
CONCRETE COVER SLAB
PROPOSED CABLE STACKING
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1#' INSTALLATION REFERENCES
PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
CABLE ENTRIES IN ACCESS CHAMBERS
PROPOSED CABLE STACKING
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PROPOSED CABLE STACKINGFOREXPRESSWAY PROGRAMME
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