porr in qatar „green line“ metro doha
TRANSCRIPT
PORR in Qatar„Green Line“ Metro Doha
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Egypt
Syria
Iran
Saudi ArabiaQatar
Oman
Jeddah
RiyadhDoha
Muscat
Iraq
UAE
Abu Dhabi
PORR in the MENA-region
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Range of services and excellence
Railway projects (Green Line and major stations)
Metro Doha – Enabling
Infrastructure projects• Highway – Ashghal – Al Rayyan• Highway – Ashghal Orbital• IDRIS Doha (sewerage system)• Doha Bay Crossing
PORR activities in Qatar
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Metro Doha, Enabling
reverse of pathways (e.g. sewage disposal,
drinking water, irrigation, telephone, electricity)
Project “Enabling Works”
JV will do remaining works asper contract until end of 2014
Main resources / people intendto go to new PORR projects
Qatar: Enabling Works - Status October 2014
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Qatar – Enabling Works
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New Trough
Trough / New Switchbox
Al Qadeem
Education City SE
Convention Center
Al MessilaSwitchbox
Sports R/AC‐Ring
Musheireb
Metro Qatar / Green LineEmployer: Qatar Railways CompanyVolume: appr. 1.9 Mrd. €13 km tunnel, 6 stations
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Project “Green line” Metro Doha
General Information
Joint Venture Partner:
Scope of Work: 9 underground structures / 5 evacuation shafts / 54 cross passages / 16.6 km twin bored tunnel
Type of Contract: Design and Build
HBK ContractingCo. (Qatar)
15%
PORR Bau GmbH (Austria)
50%
Saudi BinladinCo. Ltd. (Saudi Arabia)
35%
Project “Green line” Metro Doha
General Information
Accepted Contract Amount: QAR 8,9 bn
Client: Qatar Railways Company (Governmental Entity)
Programm: Letter of Acceptance issued on 16 May 2013; construction time app. 5 years (2013 – 2018)
Designer:
Structural design
SSF(Germany)
Tunnel design
D2(Austria)
MEP design
Hoare Lea(United Kingdom)
BIM
Hochtief ViCon(Germany)
Project “Green line” Metro Doha
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Zero Accident
4 TBMs arrived in Doha
First TBM launch mid-September
Segment Yard production increased, 250 rings produced, additional mouldsordered
Labour recruitment: second recruitment campaign started, labour camp will be finished in October
Variation order for NDIA T2 “early works” received, works started
Cash Flow positive;
Interim payments timely approved by client
Qatar: Green Line
Civil Works
Quantities / Facts / Actual Progress
Excavation Material: 2,500,000 m³ | partially done by blastingConcrete: 730,000 m³ | project own batching plants | 120 years
structural durability | 3 months buffer stockReinforcement: 75,000 ton | JV own labour (~2,500)Waterproofing: 300,000 m²
Shoring Works / Al Qadeem Station
Structural Concrete Works /Al Messila Station
Excavation Works /Sports RA Station
“Green Line” – Facts & Figures
Tunneling Works
Tunnel Boring Machines – EPB
Outer diameter 7,10 mTunnel outer diameter 6,77 mTunnel inner diameter 6,17 m
Advance rate (open mode) 80 mm/minAdvance rate (closed mode) 60 mm/min Ring building mode 20 min
Installed elec. main drive power 1.450 kWMax thrust pressure 54.254 kNTotal weight TBM + Backup 890 tons
EPB ShieldImage: Herrenknecht AG
“Green Line” - Tunneling
Tunneling Works
Quantities / Facts / Actual Progress
TBM Excavation Material: 1,280,000 m³ | 18 m/day/machinePrecast Tunnel Lining: 20,650 rings | done by JV own segment plantBi-Component Grout: 50,000 ton (raw materials)Industrial Water: 5,350,000 m³ | 65 m³/h per TBMMulti Service Vehicles: 16 no. | 50 ton capacity | 26 m length
TBM Assembly / Al Messila Station
“Green Line” - Tunneling
“Green Line” - projected manpower
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Qatar: Green Line
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Sports R/A
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New Switchbox 30/31
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Al Messila
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Al Qadeem
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