List of Commissions Undertaken in Last Ten Years

 

Client

 

Project

 

Project Description

 

Responsibilities

 

Status

Hong Kong Mass Transit Railway Corporation (MTRC)
-ERL
 
SIL Extension
WIL Extension
 
Two railway extensions including approximately 10kms of twin bore hard rock tunnelling and rock cavern stations Provision of blasting expert for quantified risk assessments for management of explosives, blasting practices and controlled blasting next to sensitive structures. Ongoing
2008
 
KCRC / MTRC

Link 200 JV
 
Kowloon South Link - KDB200 Underground Station, shafts and 4kms of cut and cover tunnels and slurry hard rock TBM for bored tunnels in mixed face conditions. Independent Consultant for Risk Management Supervision of construction in accordance with Statutory Requirements and Best International Practices. Completed
2008
 

 

National Hydroelectric Power Corporation Indian Government Parbati, HEP Head Race Tunnel, Punjabi, India. 800MW power station (HK4.8B) including a 36 km long Head Race tunnel. TBM Expert on �High Level Committees, Responsible for reviewing failure of TBM and Drill and Blast headings in severe tunneling conditions including high insitu stresses with rock bursts and silting up of TBM from major water inflows in Himalayas leading to potential abandonment Completed
2007
 
Hydrotech Asia Ltd Series of basement structures and tunnels with severe water infiltration problems in Hong Kong and China Reviews of concrete technology and promotion of electro-osmosis methodology for controlling groundwater inflows through concrete structures.

 
Technical Advisor for review of existing installations and promotion of this innovative technology. Ongoing
2008
 
Leighton Contractors (Pte) Brisbane Airport Link Highway Tunnels Twin bore 2kms of twin 3-lane bored tunnels using roadheader or drill and blast excavation and 1.5 kms of twin bored EPB TBM driven tunnels in urban areas in Brisbane in hard rock and mixed face conditions. Project valued at A$3.6B

 
Tender review, risk assessment, water inflow management and control, TBM performance predictions and design reviews Completed
2008
 
Leighton � John Holland JV DSD Tunnel Tenders -
Hong Kong West; Tuen wan and Lai Chi Kok
 
30kms of DSD drainage tunnels and deep shafts Independent Consultant Reviewing tenders for Tunnels and Shafts; Specific responsibilities included:
Risk Management Plan and Risk Registers including Mitigation Measures
Predicting Water Inflows and Site Management by means of Probing and Grouting
Reviewing TBM and Raise Bore Selection and predicting TBM Performance
Reviewing temporary support systems
 
Completed
2008
 
Malaysian Government
SMEC
 
SMART (Stormwater Management and Road Transportation) Tunnel Malaysia 10km of 14.5m diameter slurry hard rock TBM in Kuala Lumpur. Independent Tunnel Consultant � for SMEC for - reviewing causes for 37 collapse incidents Completed
2007
 
ETWB Hong Kong Government Nam Wan Highway Tunnel Project 1.5kms of twin bore 16m span highway tunnels Expert Witness for Mediation, for ETWB Hong Kong Government vs Gammon Skanska for tunnel lining design issues

 
Completed
2006
Leighton Kumagai JV
Drainage Services Department
 
Wan Chai to North Point Sewerage Scheme 14kms of 2m diameter slurry TBM pipejacked sewer tunnels and associated shafts Technical advice and reviews for geotechnical constraints and risk management of tunnelling works Completed
2006

 

Leighton Kumagai JV
Highways Department
 

Eagles Nest Highway Tunnels


 
2.5km twin bored 16.3 � 18.0m span highway tunnel and ventilation adit in hard rock and associated slpoeworks and connections
Construction Management
 
Engineering Manager for JV responsible for auditing and extensive monitoring works, ground characterisation, temporary works design, water tightness / management systems and inflow control, ground treatment works, implementation of blast control measures. Completed
2005

 

Leighton Contractors
British Petroleum
 
Peoples Republic of China 1,500m of access tunnels for 200,000 � 500,000 m3 rock cavern with water curtain containment for LPG storage facility Specialist report for pre-qualification for tender on access, blasting, geotechnical issues and design of large underground openings Completed
2004
Drainage Services Department, Black and Veatch Hong Kong Island West Flood Relief Tunnel 10.8 km long, 6-8m diameter hard rock tunnel by double shielded TBM with 30 � 40 deep shaft intakes and connector tunnels Alignment, geotechnical appraisals, construction options, TBM ( double shielded) studies, programming and cost estimates Completed 2005

 

Drainage Services Department, Hyder Consultants Lai Chi Kok Flood Relief Tunnel 5 km long, 6-8m diameter hard rock/ mixed face tunnel by EPBM with 12 no. deep shaft intakes and connector tunnels Alignment, geotechnical appraisals, construction options, TBM (hard rock EPBM) studies, programming and cost estimates Completed 2005
Bilfinger Berger
Drainage Services Department
 
Aberdeen Sewage Tunnels, Hong Kong 8kms of 2m diameter pipjacking works for the using a 2.3m diameter Herrenknecht slurry TBM in fill, alluvium, weathered tuffs and mixed face conditions Expert Tunnel Services - Technical advisor for geotechnical, plant selection and risk management Completed
2005
 
Leighton Kumagai JV KCRC Long Valley,Hong Kong 3,300m of twin bored railway tunnels to be excavated by 8.75m diam Earth Pressure Balance Machines in severe mixed face conditions of alluvial deposits, weathered tuffs and competent hard rock at 250 Mpa Responsible for tender design of segmentally lined watertight tunnels, geological assessments, risk analysis, TBM performance assessments and plant selection. Completed
2003
 

 

Bilfinger Berger Nam Wan Tunnels, Route 9,Hong Kong 1.5kms of twin 16m span bored highway tunnel in granitic and volcanic terrain for tender geological assessment, design of temporary support systems, excavation sequences, blast risk assessment and blast patterns Completed
2003
 

 

Diwidag Lower Marsyangdi HEP Scheme, Nepal evaluating TBM alternative to drill & blast for 5 km of 8m diam rock tunnels in mountainous terrain including metamorphosed sedimentary rocks and karst limestones specialist geological, risk assessment and TBM report Completed
2002
 
Binnie Consultants Ltd Wan Chai to North Point Sewerage Scheme, Hong Kong Pipejacked sewers for 14kms of 2m diameter pipejacking in soft alluvial soils in developed areas. Advisory services for plant selection, ground movements and specifications Completed
2004
 
Allianz Cornhill � McLarensToplis Loss Adjusers

MTR Tseung Kwan O ExtensionPak Shing Kok Tunnels Hong Kong

6,3000m of bored rock tunnel with 2,300m of undrained insitu lining including waterstops at construction joints and a sika waterproof membrane. Assessment of insurance claim for 259 leakages in tunnel lining after installation of waterproofing membrane Completed
2004
 
MEIMS/ Kowloon Canton Railway Corporation Fourth Harbour Crossing and Central West ExtensionHong Kong Railway development study of new underground railway including immersed tube and bored tunnel sub-aqueous crossing, 10 km of running line and up to 7 stations for two possible railway lines Project management services, route alignment, , station outline design, civil engineering, tunnelling methodology, risk assessment, costs and programme Completed
2002
 

 

Parrammatta Rail Link/Leighton Contractors Parrammatta Rail LinkSydney 14 kms of running line in twin bored tunnels and 6 rock cavern stations in Hawkesnury Sandstone with high horizontal stresses Geotechnical evaluation, bid design work, TBM performance assessments, plant selection and risk analysis. Completed
2002
 

 

Shimizu Corporation Kaohsiung Metro Contract 1Taiwan 3kms of twin track tunnel and access facilities in soft ground using EPB machines Review of technical aspects of bid proposal and design by contractor Completed
2001
 

 

NCC / ECON Powergrid Subaqueous Cable Tunnel - Singapore 4kms subaqueous cable tunnel and 2 no. shafts to be driven at 4bar pressure in karst Jurong Limestones and through 11 no. mixed rock soil interfaces using EPBMs with substantial grouting Tender services including geological evaluation, prediction of water inflows and recommendations for construction methodology including plant selection and grouting methods Completed
2002
Leighton Contractors Bakun to Abra Power Diversion Tunnel, Philippines 10kms of bored tunnel in varied geological strata to be driven by state of the art double shielded hard rock TBM Geological evaluation and prediction of water inflows. Estimating TBM performance and recommending appropriate plant and methodology. On site commitment. Completed
2002

 

Cunningham Lindsey Loss Adjusters Casecnan Irrigation and Power Diversion Project, Luzon, Philippines Major underground works including cavern, tunnels and 270m deep Surge Shaft in remote area Insurance investigation into causes and recovery of collapsed shaft works. Completed
2004

 

Hyder Consultants Pte.,
Singapore LTA
 
Singapore MRT, Marina Line, Contracts 824 7, 825 Six stations and six kilometres of running tunnels with cross-overs etc. Preliminary design and tender assessment of two contracts including 3 kms of bored EPBM tunnels and crossing of Kallang Estuary. Completed
2001

 

Hyder Consultants/ Guangzhou Municiple Institute Guangzhou Metro Line 2,

China

8 kms of bored railway tunnels for two contracts in urban areas in mixed rock/ soft ground. Detailed design of segmentally lined tunnel, Risk Assessment and machine performance predictions for EPBM application. Completed
2000

 

 

Hyder Consultants/MTRC Tseung Kwan O, MTR Extension

Hong Kong

Preliminary Design of 13.3kms of MTR tunnels in urban areas. Including C603 Black Hill Tunnels, C611 Pak Shing Kok Tunnels and C612 Lam Tin to EHC Tunnels. Responsible for geotechnical evaluation and design of bored tunnel works; including layout; access; water inflow prediction-probing-grouting issues; construction options, temporary support requirements, and programming. Completed
1998

 

 

Kumagai Gumi Discovery Bay Road Tunnel

Hong Kong

Highway Tunnel connecting Discovery Bay with North Lantau Expressway. Approx. 400m of 14m span rock tunnel. Detailed design of excavation sequences, and temporary support systems. Completed
2002

 

 

Paul Y/SELI JV Strategic Sewage Disposal Scheme

Hong Kong

Approx. 20kms of land and subaqueous TBM tunnels.in two contracts. One contract successful and awarded to JV .Directional drilling work carried out on site. Tender services involving geological/TBM performance predictions and assessment of water inflows/probing and grouting requirements. Currently monitoring conditions and TBM performance on site. Completed
2003

 

 

Highways Department/ Atkins China Ltd Route 9 Feasibility Study

Hong Kong

Major viaduct, bridge and bored tunnel twin 2-lane highway connecting Route 16 and West Kowloon Expressway to Route 3 on Tsing Yi. Project management services, team leader bored tunnels and geotechnical aspects for detailed feasibility study. Completed
1999

 

 

Highways Department/ Parsons Brinckerhoff (Asia) Ltd. Route 16 Preliminary Design

Hong Kong

Major 3-lane highway connecting West Kowloon Expressway with Sha Tin including 3.5kms of twin bored tunnels and E&M facilities. Responsible for geotechnical evaluation and bored tunnel preliminary design work. Completed
2000

 

 

MTRC/Atkins China Ltd Chek Lap Kok MTR Connection Study

Hong Kong

Two deep MTR stations and 8kms of twin sub-aqueous bored tunnels connecting Tung Chung Central with a new Airport Domestic. Also studies for Tuen Mun - Chek Lap Kok Crossing. Project management. Also responsible for detailed studies and prediction of performance of twin EPB machines. Completed
1999

 

 

Atkins China Ltd/ Kumagai Gumi Ltd Quarry Bay MTR Relief

Hong Kong

Bid design for Kumagai Gumi Ltd for MTR extension from Quarry Bay to Tin Hau stations including new station at North Point and 5kms of bored tunnels. Bid Manager. TBM options proposed in bid. Completed
1997

 

 

Kumagai Leighton JV Tai Po to Butterfly Valley Aqueduct

Hong Kong

13.3kms WSD aqueduct involving 2no. hard rock TBMs, 2no. pipejacked mini-tunnels, 2no. drill and blast drives, 2no. shafts and associated works carried out as a design and construct contract. Successfully bid. Initially Bid and Design Manager for Consultant, then providing geotechnical consultant services direct to JV on site. Primarily concerned with plant procurement, TBM performance and management of water inflows. Completed
2004

 

 

KCRC/Atkins China Ltd. West Rail TS300 (Central)

Hong Kong

30kms of new passenger and freight rail line largely in bored tunnel (10kms). Works include 8m twin EPB multi-mode soft ground & hard rock TBM drives in urban areas. Preliminary design and comprehensive site investigations. Team leader for bored tunnel works. Completed
2000

 

Highways Department/ Atkins China Ltd Central Kowloon Route

Hong Kong

2kms dual 2-lane underground highway connecting South East Kowloon to West K0owloon Expressway, including twin bored 2km long bored tunnels. Project Director and team leader bored tunnels for route (re) evaluation studies. Currently specialist advisor for detailed design for EPB & slurry TBM deep bored tunnel options Completed
1998

 

 

Hong Kong Electric/

Parsons Brinkerhoff Asia

Cable Tunnel between Wah Fu and Cyberport

Hong Kong

800m long, 4m diam , drill and blast, shotcrete lined bored tunnel. Works including ground treatment from surface and multiple minitunnels formed by reaming directionally drilled boreholes for drainage system in rock slope Detailed design, programming, cost estimating, blasting and risk analysis. Completed
1998

 

 

HK MRT/

Kumagai Gumi Co Ltd

Quarry Bay Station Improvement Works

Hong Kong

Underground Station Improvement Works including widening platforms and new adits for existing station rock tunnels making extensive use of none blasting techniques Detailed evaluation of trial blasting adjacent to sensitive station facilities and review of success of range of alternatives Completed
1997

 

 

Leighton Contractors Casecnan Power and Water Supply Project- Bored Tunnel Works

Philippines

12km, 6m diam hard rock bored tunnel excavated by TBM. Review of tunnelling conditions and TBM performance criteria for implementing take over of tunnel contract  

Completed
1999

 

 

 

GLF SELI Philippines Umiray Angat Transbasin Tunnel

Philippines

13km, 4.88m diam segment lined hard rock TBM driven bored tunnel for water supply and Hydro Electric Power Scheme Review of performance of double shielded TBM in this long drive with 600l/s water inflows, major faults and high insitu stress with 0.37m closure of tunnel.

 

Completed
1999

 

 

Kumagai Gumi Co Ltd Singapore MRT-NE Line- Contract 705

Singapore

Two sections of bored tunnel comprising 1,800m of soft ground excavated by two Hitachi EPB machines and NATM cavern in weakly cemented soils Review of performance of two 6.44m diam Earth Pressure Balance Machines in Old Alluvium including Cycle Time Analysis Completed
1998

 

 

Kumagai Gumi SembCorp JV

Deep Tunnel Sewage System,

Singapore

5.7 kms of 6 diam. EPBM tunnels in Old Alluvium in urban areas Risk Assessment for EPBM tunnels including plant selection and machine performance assessment

 

Completed
1998

 

 

Kumagai Taiwan New Wu Chieh Diversion Tunnel, Taiwan 7.6 km long, 6.2m diam.insitu lined diversion tunnel for hydro-electric power scheme to be excavated in very hard, fractured rock with high water inflows by TBM Plant procurement, geological risk assessment (including TBM performance assessment) and method statements for probing and grouting Completed
1999

 

 

Kumagai Gumi Melen Water Supply, Instanbul,

Turkey

9.8 km of drill and blast and TBM driven 4 m i.d. tunnel including Bosphorus Crossing and various minitunnelling works. Geological, Water inflow and TBM performance including Risk Assessment.

 

Completed
1998

 

 






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