Koeberg Press Conf 22April2008 2 - Western Cape
Transcript of Koeberg Press Conf 22April2008 2 - Western Cape
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EMPOWERMENT
Koeberg Interchnage
KOEBERG KOEBERG INTERCHANGEINTERCHANGE
EMPOWERMENTEMPOWERMENT
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The ChallengeThe Challenge
Can we (DTPW) intervene in poverty –how, when & what do we do practically that is within our mandate & resource base to bridge wealth & poverty?
How do we contribute to growth and broaden economic participation?
How do we need to organize ourselves to do this?
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ProblemProblem
• Increase impact on poverty alleviation?
• Develop 2nd Economy through 1st Economy initiatives?
• Align service providers with developmental and empowerment approach?
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Affirmative ProcurementAffirmative Procurement
Unbundling of Koeberg into 4 contracts for empowerment access and opening for smaller/ black contractorsEmpowerment Impact Assessment was developed to set targetsTargets are focused on local economic opportunities to benefit black communities
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Unbundling ProjectUnbundling Project
Unbundling of Koeberg into 4 contracts
• Interchange Construction R591m• Canal alignment (R17.5m)
• Table Bay Boulevard R133m• Street Lighting R25m• Landscaping R15.5m
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Empowerment TargetsEmpowerment Targets
HDI Targets set in Tender Contract:• Local Sub-Contractors 20%• Local Women Sub-Contractors 10%• Local labour - from targeted areas 10%
Procurement• Raw Materials from Suppliers on Levels 1 to 4.• All other procurement: suppliers, manufacturers,
service providers from HDI Suppliers (50%).
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Empowerment DeliverablesEmpowerment Deliverables
Job CreationSkills TrainingEnterprise DevelopmentCommunity EmpowermentMaximum financial benefits to the Communities
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Monitoring and EvaluationMonitoring and Evaluation
Contractor must report monthly on empowerment targets, job creation and skills developmentA unit will be set up to monitor the contract by the departmental empowerment unitThe EPWP monitoring framework will be used
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Koeberg Interchange TenderKoeberg Interchange Tender
3 offers were receivedLowest offer, accepted R591m
Difference between three offers about 7%
Lowest Offer only 5% above Estimate
Successful company: Paardeneiland JV• Group 5 and Power Construction
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STRUCTURE OF PRESENTATIONSTRUCTURE OF PRESENTATION
Context of the Upgrading
Describe Scope of Works
Fast-track Nature of Project
Clustering of major projects
SWC 2010 Components
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CONTEXT OF THE UPGRADINGCONTEXT OF THE UPGRADING
Some historical photographs• Circa 1945• Circa 1951
Multi-Modal Transport Plan• 2010 & beyond
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Koeberg Road/ Salt River (circa 1945)
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Koeberg Road/ N1/ Salt River (circa 1951)
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DESCRIPTION OF N1 CORRIDOR / KOEBERG INTERCHANGE DESCRIPTION OF N1 CORRIDOR / KOEBERG INTERCHANGE IMPROVEMENTSIMPROVEMENTS
Integrated Multimodal Transport Plan for N1 Corridor
Koeberg Interchange & Environs Improvements in 3 Phases• Phase 1 : This contract• Phase 2 : BRT Busway• Phase 3 : Completion of other road infrastructure
improvements
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N1 CORRIDOR
BRT BUSWAY
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New Directional Ramps & Auxiliary Lanes (Berkley Rd to Sable Rd)
N1
Blac
krive
r Par
kway
(M5)
NKoeberg Interchange
Upgrade Phase 1 (2010)
Koeb
erg
Road
New lane (Marine Drive to Sable Road)
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Koeberg Interchange Upgrade Phase 1 (2010)
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Ramps A & BRamps A & B
Koeberg Interchange Upgrade Phase 1 (2010)
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Koeberg Interchange Upgrade Ultimate Layout
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DESCRIPTION OF SCOPE OF WORKSDESCRIPTION OF SCOPE OF WORKS
Structures• Viaducts A & B• Widening of M5 Viaduct• Widening of various minor structures
Roads• Additional lanes on N1 & M5 carriageways• Rehabilitation : Table Bay Boulevard (2km section)• Rehabilitation : ramps within Koeberg Interchange
Ancillary Works• Salt River Canal Realignment• Services Relocation• Traffic Accommodation• Street Lighting• Landscaping
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DIRECTIONAL RAMPS A AND BDIRECTIONAL RAMPS A AND B
Column spacing
Precast U beams
Transnet/SARCC Approval
In-situ box sections over railway, M5 & N1
Interchange aesthetics
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Precast, prestressed U-beams:
27 spans mostly 35m long - 70t per beam
Cast in-situ Box Girders:
2 Single-span sections over Railway tracks -63m long
2 Three-span continuous sections 137m long each, central span 65m
Total deck area: 14 231 m2
Viaduct Widening 375m, 7,4m wide Prestressed T beams 7.3m to 21.3m long
Ramp A 640m long 10.7m wide
Ramp B 690m long 10.7m wide
Koeberg Interchange Upgrade Phase 1 (2010)
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Existing ConditionsExisting Conditions
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3m x 2m pier3m x 2m pier
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3m x 2m pier3m x 2m pier
support beam
support beam
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precast u-beamsprecast
u-beams
precast u-beamsprecast
u-beams
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WCPA parapetWCPA
parapet
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sv A-1
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sv A-7
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sv A-5
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sv start 1
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sv A-8
Proposal 1Circular pier
Pier options 25 September 2007
2750
10 000
2500 dia
Proposal 1 - Plan on Support Beam
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sv A-8
Pier options 25 September 2007
Proposal 2Hexagonal pier
2750
3000
2000
10 000Proposal 2 - Plan on Support Beam
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sv A-8
Pier options 25 September 2007
Proposal 3Rounded rectangular pier
2750
10 000
3000
2000
Proposal 3 - Plan on Support Beam
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sv canal
Existing Conditions
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sv canal
Phase 2
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OTHER STRUCTURAL ELEMENTSOTHER STRUCTURAL ELEMENTS
M5 Viaduct Widening
Table Bay Boulevard- Railway Bridge Widening
Table Bay Boulevard- Canal Bridge Widening
Table Bay Boulevard – New Pedestrian Bridge
New Services Pedestrian Bridge (Salt River)
N1/M5 Jack Span Retaining Wall
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EXISTING M5 VIADUCTEXISTING M5 VIADUCT
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PARAPETS AND MEDIAN BARRIERPARAPETS AND MEDIAN BARRIER• Precast & Profile
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Bridge widening
10,4m wide span
Piles/spread footings
Reconstruct portion of deck
TABLE BAY BOULEVARD/RAIL BRIDGE TABLE BAY BOULEVARD/RAIL BRIDGE WIDENINGWIDENING
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TABLE BAY BOULEVARD/CANAL TABLE BAY BOULEVARD/CANAL BRIDGE WIDENINGBRIDGE WIDENING
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SERVICES PEDESTRIAN BRIDGESERVICES PEDESTRIAN BRIDGE
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N1/M5 JACK SPAN RETAINING WALLN1/M5 JACK SPAN RETAINING WALL
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Agreement to realignment (CCT/Intersite)
Environmental Authorisation (DWAF / DEADP)
Critical path construction activity
Alt canal walls : gabions selected
SALT RIVER CANAL RELOCATIONSALT RIVER CANAL RELOCATION
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ROADWORKSROADWORKS
New Roadworks• Additional lanes on N1/M5 carriageway
• N1 outbound lane (4 500m)• N1 inbound lane (2 800m)• M5 both carriageways (360m)
Rehabilitation• Rehabilitation / Reconstruction of Table Bay Boulevard
• Both carriageways (2 000m)• Rehabilitation of Ramp in Koeberg Interchange
• Selected sections of ramps• Approaches to directional ramps (520m)• New ramp 1 (300m)• Modified ramp 6 (200m)
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ACCOMMODATION OF TRAFFICACCOMMODATION OF TRAFFIC
N1 & M5 / Koeberg Interchange operate at close to capacity 05h30 – 19h30 all weekdays. Weekend not much better !
Accommodation of traffic major constraint
No lane reductions during peak/busy traffic periods
Ramp closures for beam placing only at night and on Sundays
Local deviations for construction
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Soccer World Cup
2010 2010 ““Fast TrackFast Track””Project Implementation ProgrammeProject Implementation ProgrammeKoeberg Interchange Phase 1Koeberg Interchange Phase 1
M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D J F M A M J J A S O N D
Preliminary Design Process
Environmental Basic Assessment
Tender & Contract Award
Detailed Design Process
Construction Period
SOC
CER
WO
RLD
CU
P
2010Tasks 2007 2008 2009
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DESIGN TEAMDESIGN TEAM
Lead Consultant : HHO AfricaDirectional Ramps : HHO AfricaM5 Viaduct Widening Canal Realignment : Asch/BergstanRoadworks : HHO AfricaStreetlighting : GobaSigns & Overhead Gantries : Jeffares & Green
Specialist ConsultantsBridge Architects : GAPP ArchitectsLandscaping Architects : OvP & AssociatesEnvironmental Consultants : De Villiers & Brownlie
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CONSTRUCTION TEAMCONSTRUCTION TEAM
Main ContractorGroup 5 and Power Construction
Sub-Contractors
Piling : FrankipilePre-stressing : FreyssinetCanal Diversion : Darson CivilsServices / civil works : Darius CivilsSignage : Otto SignsVariety other sub-contractors : bridge joints, reinforcement, accommodation of traffic, pipe laying, kerbing, fencing, transport, training etc
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CONTRACT VALUECONTRACT VALUE((excexc VAT / Contingencies / CPA)VAT / Contingencies / CPA)
Koeberg Interchange: R471,3m
Table Bay Boulevard Reconstruction R104,4m
Street-lighting :R22,0m
Landscaping :R13,0m
Pioneer Services Relocation Contract :R2,5m
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V2 M5 heading North from Muizenberg
Ramp B to N1 Paarl
to N1 Cape Town & M5 Milnerton
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V2 M5 heading North from Muizenberg
Ramp B to N1 Paarl
to N1 Cape Town & M5 Milnerton
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V3 M5 heading East from Milnerton
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V3 M5 heading East from Milnerton
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V4 N1 heading West to Cape Town
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V4 N1 heading West to Cape Town
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V5 N1 heading East to Paarl
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V5 N1 heading East to Paarl
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LIGHT_A-6 Aerial View (day)
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MAJOR BENEFITS FOR UPGRADINGMAJOR BENEFITS FOR UPGRADING
Directional ramps linking N1 & M5 (Removal of conflicting weave movements)
Additional N1 outbound lane (Additional road capacity (outbound only) through KoebergInterchange)
Certain safety improvements (Ramp M5 to N1)
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C880 : KOEBERG INTERCHANGE
UPGRADING (PHASE 1)
THANK YOU
DEPARTMENT OF TRANSPORT & PUBLIC WORKS