project_list

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 Committee’, 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