Notice: Undefined variable: _SESSION in E:\domains\a\ashfordengineeringconsultants.com\user\htdocs\aec\includeHeader.php on line 9
AEC Markets
AEC Experience
Experience: 26 years
Qualifications:
Year of Birth: 1954
Nationality: British
Languages: English
Jerry Conway is a geotechnical engineer specialising in engineering geology, rock mechanics and underground construction, with twenty-six years project experience in transportation, hydropower, water supply, mining, and hazardous waste management. His areas of special expertise include ground investigation and site-characterisation; radioactive waste management; stability analysis, monitoring and support design for tunnels, underground excavations and slopes; TBM and roadheader performance assessment; and probabilistic modelling. He has provided expert opinion and evidence for contractual and insurance claims related to ground conditions, excavation stability and excavation system performance.
1992 to date Independent Geotechnical Engineer, SubTerra Engineering
1991 to 1993 Rock Mechanics Team Leader, Pen-y-Clip Tunnel Project, Travers Morgan (Symonds), UK.
1985 to 1991 Senior Geotechnical Engineer, Golder Associates Inc., Seattle, Washington, USA.
1982 to 1985 Senior Geotechnical Engineer, Howard Humphreys and Partners, Leatherhead, Surrey, UK.
1980 to 1981 Assistant Resident Engineer, Chania II Project, Howard Humphreys (East Africa) Ltd., Nairobi, Kenya.
1979 to 1980 Engineering Geologist, Howard Humphreys and Partners, Leatherhead, Surrey, UK.
1976 to 1979 Assistant Geologist, Rock Mechanics Team, James Williamson and Partners, Dinorwic Pumped Storage Scheme, Gwynedd, UK.
River Exe Estuary Crossing: Provide outline design, geotechnical interpretative report, engineering risk analysis, advice on excavation methods, and cost estimates for a proposed tunnel to house a gas pipeline. For Transco.
Cigar Lake Mine, Saskatchewan: Provide expert appraisal of ground conditions, crown pillar stability and mining methods in connection with an insurance loss. For SubTerra Inc. Las Vegas Wash Tunnel, Nevada: Feasibility-level geotechnical review, conceptual layout and preliminary cost-estimate for a proposed sewer tunnel including river under-crossing. For Converse Consultants.
White River Under Crossing, Washington: Feasibility-level geotechnical review, conceptual design and site investigation planning for proposed gas pipeline EPBM tunnel. For Williams Gas Pipeline Inc.
Strood Railway Tunnel Refurbishment: Design check for a proposed rockbolt and shotcrete support system for stabilisation of a railway tunnel in chalk. Including kinematic analysis, ground-support interaction analysis, and finite element analysis to verify probable loadings and adequacy of the proposed support system. For London Mining and Minerals Consultants.
Roughcastle Millenium Link Tunnel, Falkirk: Advice on geotechnical hazards, investigation and stabilisation options for abandoned shallow mine working beneath proposed canal tunnel route. For London Mining & Minerals Consultants Ltd.
Birches Head Sewer Scheme. Tender geotechnical interpretation of site investigation data for proposed sewer tunnel, Stoke-on-Trent. Advised on geotechnical risks and produced probabilistic model of roadheader excavation rates. For Costain Tunnelling Division.
Barbados South Coast Sewerage Scheme. Tender geotechnical interpretation of site investigation data for proposed sewer tunnels and pipelines. Advised on geotechnical risks and excavation rates for microtunnelling. For Thrustbore Contractors Ltd./Soares de Costa.
White City Project. Investigation of causes of cracking of tunnel lining segments, Central Line, White City to Shepherds Bush stations. Including detailed investigation of crack distribution, site geology, historical land-use and WW2 bombing. Probabilistic analytical and empirical models were developed that demonstrated a very high probability that observed cracking is due to bomb impacts. For London Underground Limited.
Yucca Mountain Project, Nevada. Review of TBM performance during excavation of repository access tunnels. Correlation of performance data with geotechnical and geological factors, and comparison with probabilistic performance prediction models. For SubTerra Inc.
Phosphate and Toluene Plant Investigations, Avonmouth. Investigation of structural integrity and suspected voids beneath very sensitive chemical production plants. Included probe drilling, window sampling, ground probing radar and CCTV surveys, contamination sampling and testing. For Rhodia Ltd.
Chemical Effluent Pipeline, Avonmouth. . Project manager for effluent pipeline installation project, using directional drilling. Incuding site investigation, design, contract preparation, tender review and site supervision. For Albright and Wilson Ltd.
Honda Distribution Centre, Avonmouth. Project manager for sewer installation project, using directional drilling, for new industrial facility. For Honda (UK) Ltd.
Underground Service Installation, Avonmouth. Installation of underground services for a chemical waste processing facility. Including site-investigation, design, contract preparation, CDM submissions and site supervision for 1000m of directional drilling and pipe installation at various diameters for gas, water, telecommunications and treated chemical effluent. The work was carried out in contaminated ground, adjacent to and beneath sensitive structures, under strict Health and Safety procedures. For Chemical Recoveries Ltd.
Limerick Main Drainage Scheme. Tender geotechnical interpretation of site investigation data for proposed sewer and drainage tunnels and shafts. Advised on geotechnical risks, excavation method selection, blasting and temporary works, programme estimates, and site monitoring. Interpretation of trial blast data, development of site laws for prediction of far-field vibrations for tunnel and shaft excavation. For ASCON, Ireland.
Jersey Stormwater Project. Analysis and interpretation of site investigation data, and prediction of ground conditions for tunnels, caverns and shafts. Comparative analysis of expected and encountered geotechnical conditions. Back-analysis and simulation modelling of TBM, raise-bore, diamond drilling, and percussion drilling performance to quantify the effects of unforeseen ground conditions. Detailed analysis of pre-contract trial blasts, blast designs, and production blast monitoring data (including ground vibration and air-overpressure). Review of overbreak and percussion drilling performance with reference to structure and unforeseeably high rock strength. Preparation of expert reports in support of Clause 12 submissions. For Balfour Beatty Major Projects.
Busted Butte Unsaturated Zone Test Facility, Nevada. Support design for access tunnels and test caverns; rock support, design and rockfall hazard assessments for portal zone. Electronic data links to site enabled geotechnical data collected on day shift to be analysed over night in the UK, with support recommendations transmitted back to site prior to start of the next production shift. For Los Alamos National Laboratory.
Ramsgate Harbour Approach Tunnel. Check calculations for settlements above a proposed NATM tunnel in chalk. For Nishimatsu Construction Ltd. Plymouth Sewage Treatment Scheme. Geotechnical analysis in support of contractual claims arising from blast vibrations and structural over-break in a wide range of ground conditions. This project involved detailed analysis of blast monitoring data, diagnostic vibration monitoring, and comparison of expected and encountered geotechnical conditions. A report was prepared demonstrating that levels of blast vibration and resultant over-break were well in excess of what could have been expected at tender. For Costain Tunnelling Division.
RCF Science Design Project (Sellafield RCF, Cumbria). Detailed design of experiments to monitor the coupled hydraulic and mechanical response of a rockmass to shaft excavation. Including instrument selection and specifications; instrument array design; test design and sequencing; preparation of detailed technical procedures (Quality Plans); and input to DAS design. For GIGA Joint Venture Ltd.
Dover and Folkestone Wastewater Transfer Tunnel. Alternative design for a 3m diameter 1500m long waste water transfer tunnel in chalk on behalf of the works contractors. This resulted in mitigation of environmental problems and significant cost-reductions compared to original design. For Edmund Nuttall. Pongkor Gold Mine, Indonesia. Preparation of outline designs for stope and development blasting related to mining of the Curig Vein, including planning documents and specifications for diagnostic monitoring and blast optimisation, and training of mine personnel in these specialist techniques. For Aneka Tambang Perseo.
Data Acquisition Manager, UK Nirex. Seconded to UK Nirex Ltd to advise on the underground testing programme for the proposed Rock Characterisation Facility, Sellafield, including; instrumentation systems, automated data acquisition, test design and technical procedures; management and contractual issues; programme and budget estimates. Technical manager for the preparation of position statements for public enquiry, including shaft blasting and monitoring method statements. For UK Nirex Ltd.
Blast Monitoring Training, Turkey. Presented short course on prediction and monitoring of blast vibration, arising from tunnelling and construction, for engineers of Devlet Su Isleri (Turkey’s national dam authority). The course included blast design principles, explosive characteristics and initiation systems; design and monitoring of trial blasts; prediction of near- and far-field vibration; and field training in instrumentation and data analysis, including practical monitoring of construction blasts at Omeru Dam. For DSI.
Tunnel Risk Analysis Research Programme. Technical manager and principal report author for a research programme on the application of quantitative risk-analysis methods to highway tunnelling projects in the UK. For Transport Research Laboratory/UK Dept. of Transport. A27 Public Inquiry, UK. Feasibility studies and financial risk analysis for NATM tunnels in chalk on three alignments proposed as alternatives to the published route of the Worthing and Lancing sections of the A27. For Acer Consultants, in association with Dr G. Sauer Co.
New York Low-Level Radioactive Waste Repository. Re-assessment of Mined Repository Option for this project, including long-term stability assessment for excavations in limestone, salt and shale lithologies, and review of longevity of engineered components. For State of New York LLWSC.
CrossRail Project, London. Review of potential tunnelling-related subsidence impacts on an underground car parking facility; review of Heathrow NATM Trial Tunnel data to assess ground loss and subsidence risks associated with NATM excavations London Clay. For City of Westminster, London.
CrossRail Project, London. Engineering and design input in connection with Liverpool Street Station detailed design. For CrossRail Project Office, London. Pen-Y-Clip A55 Road Tunnel, Wales. Rock Mechanics Team Leader; supervision of tunnel geotechnical staff; review of geotechnical data collected during construction; stability analysis and review of design support; rock support and instrumentation detailing; analysis of monitoring data; assessment of ground related contractual claims; risk-based assessment of future support requirements, including cost and scheduling implications. For Welsh Office. Swansea Bay Sewage Disposal Scheme, Wales.
Feasibility study for Underground Caverns Option, including recommendations for site investigation, preliminary support design and costing, and assessment of excavation methodology (roadheader vs drill and blast). For Welsh Water
Troy Mine, Montana. Review of production blasting practices including drilling, charging and initiation techniques. Advice on blast design modifications and diagnostic monitoring to identify blasting problems, improve productivity and reduce costs. For Asamera Minerals.
Alder Lake Dam, Washington. Feasibility study for emergency spillway tunnel to mitigate potential catastrophic effects of major valley side failures in an area of active landslides; the study also assessed the feasibility of selecting a tunnel route such that it could be used as a landslide drainage gallery. For Tacoma Public Utilities.
Southport Deep Shaft, UK. Geotechnical appraisal and design of shaft linings in 8m diameter shaft in shale and rock-salt, including analysis of creep effects on long-term loads and stability. For North West Water.
Denali Mine, Alaska. Investigation, design, specifications, and cost analysis for a river diversion drop-shaft and tunnel in glacial materials and granodiorite, with permafrost horizons.
Valdez Creek Mining Co. American River Crossing Project, California. Feasibility study, probabilistic risk analysis, and cost estimates for three alternative highway and rapid-transit tunnel routes below American River, Folsom, California. For Harland Bartholemew and Associates.
Montana Tunnels Project, Butte, Montana. Review of development blasting practices in a mine access drift with severe water ingress, over-break and misfire problems. Provided advice on blast design modifications including smooth blast design, and diagnostic monitoring to identify blasting problems, improve productivity and reduce costs. For New Butte Mining Co.
Deep Palaeozoic Project, Round Mountain, Nevada. Assessment of remedial measures for stabilisation a section of over-stressed squeezing and swelling ground in a mine access tunnel. Advised on support options and improved blasting practices to reduce perimeter damage. For Round Mountain Gold Corporation, Smoky Valley Common Operations, Nevada.
Newmark Towers Project, Washington. Construction monitoring and review of tunnel instrumentation data during construction of a high-rise development (Newmark Towers) above an existing railroad tunnel, Seattle, Washington. For Burlington Northern Railroad.
New York Low-Level Radioactive Waste Repository Project:
o Conceptual design and long-term stability assessment for mined low-level radioactive waste repositories at five candidate-sites in New York State, including review of failure mechanisms, creep closure, and waste package design.
o Feasibility study and cost-estimates for Mined Repository Option, New York State low-level radioactive waste disposal facility, including development and application of screening criteria for abandoned and operating mines, conceptual level study of potential new mine sites, development of a mining cost model, and probabilistic assessment of excavation system performance.
Elmhurst Quarry, Illinois. Review of blasting procedures in an underground limestone mine. Advice on blast design modifications for improved stability/reduced pillar damaged, and improved dimension-stone quality. For Chicago Stone Co.
San Raphael Quarry, California. Review of geotechnical information for a proposed sub-marine extension of an underground quarry in sandstone Yucca Mountain Radioactive Waste Repository:
o Preparation of Test Support Requirements Document. Involved coordinating technical input from a multidisciplinary group, and defining support and interface requirements for a major underground in-situ test program. Los Alamos National Laboratory.
o Participated in workshop on excavation method selection for the Yucca Mountain Project. Involved presentation on the impacts of different excavation methods (drill & blast, roadheader, TBM) on geologic mapping data quality.
Ketchikan Pedestrian Tunnel, Alaska. Assess applicability of roadheader tunnel excavation methods in a sensitive urban environment where blasting would not be permitted. For Alaska State DoT.
Wells Creek Hydroelectric Project, Washington. Feasibility study and rock support design for underground power station, shaft and tunnel. For Hosey and Associates Engineering Company. Republic Mine, Washington. Preliminary geotechnical assessment, rock-support design and cost-estimates for a mine access shaft. Advice on blast design modifications to improve productivity and reduce production costs in a narrow-vein slusher operation. For Hecla Mining Company.
Cedar River Pipeline, Washington. Probabilistic assessment of tunnelling conditions and support requirements for underground pipeline relocation. For Washington State DoT.
Monarch and Dominion Mines, Oregon. Advised on excavation and ground-control methods including smooth-wall blasting, bolting and shotcrete support systems. For Western Consolidated Mines Inc.
Owyhee Hydroelectric Project. Resident Geotechnical Engineer for construction of an underground power house, shaft, penstock and tailrace tunnels. Supervision of curtain grouting. Installation and monitoring of piezometers, extensometers and convergence arrays. Advise on dam abutment stability and remedial measures. Design of blast rounds for close proximity blasting adjacent to existing reservoir valve tower and control gear. Responsible for all geological and rock mechanics aspects during construction. For Owyhee North Board of Control.
Laurie Sheds Tunnel, British Columbia. Feasibility study for a railway tunnel invert lowering project including analysis of lining and subgrade response, estimation of groundwater inflows, and investigation of concrete cutting technologies. For Canada Pacific Railroad. San Manuel Mine, Arizona.
Blast diagnosis and optimization studies in an underground block-caving mine, using advanced blast vibration monitoring techniques. This project involved instrumentation of test and production blasts in the trench cut and development headings (trench and draw drifts), development of blasting patterns and practices, and optimization of the drilling and blasting programs for this large block-caving operation. For Magma Copper Company.
Cannon Mine, Wenatchee, Washington. Blast monitoring studies for a sublevel blasthole stoping and backfilling operation. This project involved monitoring of underground bench blasting operations using instrumentation installed underground and at the surface. The objectives of minimal rock wall damage and far field vibration reduction were achieved along with drilling and explosives consumption. For Asamera Minerals'
Deaf Smith High-Level Radioactive Waste Repository, Texas.
o Preparation of Test Interface Specifications for the proposed salt high-level waste repository ESF; involved defining subcontractor support and interface requirements for shaft and at-depth study programs.
o Thermomechanics Team Leader. Design of instruments, instrumentation systems, ADAS, and test procedures for use in high temperature, corrosive environment; including thermal conductivity probe, rock and lining temperature monitoring; bitumen pressure cells, and shaft rock mechanics instrumentation (MPBX, convergence, steel and concrete stress measurement).
o Co-Author of Data Management Plan. Included development of QA/QC procedures for managing multi-media data flow from a diverse range and large number of in situ tests and demonstration projects.
Pen-y-Clip A55 Road Tunnel, Wales. Field mapping, site investigation and field testing; preparation of factual, interpretative and engineering reports; design of tunnel and portal rock support; rockfall hazard assessment; comparative assessment of costs, quantities and project duration for alternative tunnel alignments. For Welsh Office.
Cheurfas II Dam, Algeria. Method statements for construction of dam abutment tunnels.
Penmaenbach Railway Tunnel, Wales. Mapping and inspection of lined and non-lined sections of a 19th century railway tunnel. Assessment of pre-reinforcement and monitoring required during the driveage of an adjacent road tunnel. Design of blast monitoring programme. For Welsh Office.
Solva Sewage Treatment Works, Wales. Access tunnel rehabilitation and widening project including assessment of remedial measures, excavation methods, support requirements, cost and quantities. For Welsh Water.
Greater Athens Liquid Waste Disposal Project. Feasibility study for tunnelling in a drowned karstic rockmass, Keratsini to Psitallia Island submarine sewer tunnel. For World Bank/Ministry of Public Works, Greece.
Sasamua Dam Refurbishment, Kenya. Inspection of scour-tunnel lining, toe-drainage and valve-tower; assessment of remedial requirements. For Nairobi City Council.
Mombasa Sewer Project, Kenya. Feasibility study for sewage tunnel construction in recent coral formations. For Mombasa City Council. Chania II Project, Kenya.
Supervision of tunnelling and civil works; engineering geological mapping and instrumentation of tunnel headings and dam foundations; stability analysis and rock support detailing; supervision of support installation and lining operations and dam curtain grouting; establishment of inspection procedures with special reference to tunnelling machine performance and groundwater. For Nairobi City Council.
Dinorwic Pumped Storage Project, Wales. Engineering geological mapping of shaft, tunnels and caverns in-line with heading and benching operations, stability analysis and rock support detailing; testing and monitoring of support systems and blast vibration monitoring; surface site investigation and mapping, and rock slope stability analysis. For CEGB.
Fairview Pit, Washington. Slope stability analysis and seismic risk assessment in support of permitting for an open pit excavation. For SubTerra Inc. US
Borax Mine, Boron, California. Geotechnical review and back analysis of major pit wall failures (totalling in excess of 30 million tonnes) in an open-pit mine in weak tertiary sediments. Analysis of causative events relating to a insurance claim, including slope design and operational practices, blasting and seismic influences, rainfall and drainage. Preparation of expert reports for reinsurers. Provision of expert evidence at arbitration, contributing to a favourable decision on behalf of client. For Factory Mutual Global.
Windmill Industrial Park, Warwickshire. Site investigation, slope stability analysis and design for redevelopment of a former brickworks. Including design of control measures for an active landslip; design of new slopes including engineered fills and retaining structures; contaminated land assessment; design of drainage and estate roads; contract document preparation and tender review. For Bradley Associates/Anglo-Irish Bank.
Retaining Wall Contruction. Demolition and replacement of a retaining wall supporting a section of the former Somerset Coal Canal, within 1m of an occupied property. Including site investigation, retaining wall design, specification and contract preparation, and site supervision. Private client.
Twenty Mile Mine, Colorado. Rockfall hazard analysis and design of mitigation and control measures for a 5-mile section of high sandstone cliffs subject to undermining by long-wall coal extraction. Including field mapping, back-analysis of historical rockfall data, and rockfall simulation modelling. Rockfall hazard maps were produced and used to plan highway re-alignment and catch ditch locations. In subsequent rockfalls, blocks weighing up to 750 tonnes were successfully captured. For Foidel Creek Mine, Colorado
Dock Wall Stability and Pile Capacity Assessments, Birkenhead. Investigation and stability assessments for old dry- and wet-dock walls and slip-way piles under new live loading conditions. For Cammell Laird Shipyards Ltd.
Highway 101, Oregon. Geotechnical design engineer, coastal highway realignment project, Port Orford, Oregon, including stability analysis, and design of rock-cuts and rock support; specification for controlled blasting. For Oregon State Dept. of Transportation.
Alder Lake Dam, Washington. Feasibility study for emergency spillway tunnel to mitigate effects of possible catastrophic valley-side failure in a region of major active landslides, Alder Lake Dam, Washington. For Tacoma Public Utilities.
Chuckanut Mountain, Washington. Slope stability studies for residential development sites. Including design of rock-bolt slope stabilization measures and training contractor’s personnel in controlled blasting and rock-bolt installation. For Asaph Inc.
Post Pit and Betze Pit, Carlin, Nevada. Geotechnical analysis in connection with open pit gold mine development, including monitoring of active slope failures; supervision of data collection; data-base preparation for slope stability risk analysis; and review of long-term development plans. For Barrick Goldstrike Mines Inc.
Marina Landing Development. Probabilistic assessment of rockfall hazards for proposed residential developments, Seattle, Washington. For Kirkpatrick Architects.
Interstate 287, New Jersey. Probabilistic assessment of rockfall hazards for road cuttings, including development of a rockfall simulation program. For New Jersey State Dept. of Transportation. Grassy Mountain Project, Oregon. Review of slope design proposals during planning stages for a major new open-pit gold mine. For Pegasus Gold.
Denali Mine, Alaska. Instrumentation and monitoring of an active slope failure, and prediction of further major failures in critical sections of an open-pit mine highwall. Responsible for the layout of survey prisms, slope extensometers, and inclinometers, and interpretation of movement data. 24-hour monitoring and near real-time feed back enabled evacuation/resumption of mining in response to slope activity. For Valdez Creek Mining Company.
Owyhee Dam, Oregon. Assessment of stability of rock pinnacles and buttresses forming the abutment of a concrete arch dam constructed in the 1930s. Advised on rockfall hazards and provided recommendations on scaling, dentition, rock-bolting and controlled blasting. For Hosey Associates.Engineering Co.
Kettleman Hills Landfill Facility, California. Preparation of filling plans and final cover designs for hazardous waste landfills, including earthworks design, slope stability and seismic risk analysis, specification preparation, schedule and quantity estimates. For Chemical Waste Management, Inc.
Mount St. Helens, Washington. Assistant project manager for site investigation and geotechnical studies for State Route 504 (Spirit Lake Memorial Highway)- a new route to replace the road destroyed in the 1980 eruption of Mount St. Helens. Including rock-slope stability analysis, design of rock-cuts and rock-support design; and rockfall hazard analysis. For Washington State Dept. of Transportation.
Pinto Valley Mine, Arizona. Blast monitoring and slope-stability studies for an open-pit copper mine. Including production of a structural database; detailed geological mapping and definition of structural domains; stability analysis using kinematic (wedge) and limit-state methods; analysis of blast vibration data; advice on blast-design modifications to reduce damage to final rock walls. For Magma Copper Company.
Hanna Mine, Oregon. Analysis of mine slope and spoil-heap stability. For Hanna Nickel Smelting Co., Oregon.
San Manuel Mine, Arizona. Slope stability studies for an open-pit copper mine, including limit-state analysis and review of overall slope design angles. For Magma Copper Company. D’ainzada Dam, Algeria. Advised on construction specification for rock-anchors for a dam abutment. For W.S Atkins.
A55 North Wales Coast Road, Pen-y-Clip, Gwynedd. Assessment of rockfall hazards during route selection for Pen-y-Clip tunnel and approaches. Including supervision and interpretation of high-resolution oblique aerial photography cliffs and rock faces; structure mapping; identification of high-risk areas based on source/pathway characterisation and historical rockfall data; production of rockfall hazard maps; preliminary recommendations for siting of barrier systems, scaling and rock-support. For Travers Morgan and Partners.
Nant Francon Pass, A5, Gwynedd. Supervision and interpretation of oblique aerial photography of mountain slopes in Snowdonia National Park; geotechnical/geomorphological slope studies; rockfall hazard assessment; design of rock stabilization measures (rock-bolts, dentition, scaling and rock-traps); and soil erosion control proposals. For Gwynedd County Council.
A55 Hawarden By-Pass, Clwyd. Advised on slope stability, scaling and rock-trap construction for a deep road cutting. For Welsh Office.
Buddon Wood Quarry, Leicestershire. Structure mapping and kinematic slope stability analysis for a proposed quarry extension. For Redland Aggregates Ltd.
A550 Landslip, Clwyd. Geotechnical investigation of slope failure associated with reactivated landslip, A550, Tinkersdale, Clwyd. For Clwyd County Council. A1-M1 Link Road. Site investigation of 70 km A1-M1 Link Road; including drilling and test pitting; geological and geomorphological mapping; investigation of relict landslips and landfill sites. For Eastern Road Construction Unit, Dept. of Transport.
A55 North Wales Coast Road, Penmaenbach, Gwynedd. Rockfall hazard assessment and design of rock support for tunnel portal and approaches, Penmaenbach tunnel. For Travers Morgan and Partners.
Caernarfon Inner Relief Road, Gwynedd. Field-mapping, sampling, structural analysis and design of rock-anchors for an urban road cutting. For Gwynedd County Council.
Dinorwic Pumped Storage Scheme, Gwynedd. Field mapping and kinematic analysis of disused quarry benches. Design and supervision of stabilisation works including rock-anchors, rock-bolts, scaling, dentition and slope drainage. For CEGB.
Breeds, C.D., Mills, R. and Conway, J.J. Mine Subsidence and Rockfall Hazards: A Case Study from Northwest Colorado, Paper presented at the 1997 Annual AEG Conference, Portland, OR.
Conway, J.J., Breeds, C.D., and Hammett, R.D., "Optimization of Underground Blasting", Intermountain Mining Symposium, North West Mining Association, Elko, Nevada. October 1989.
Breeds, C.D., and Conway, J.J., "Rapid Excavation", Chapter 22, SME Mining Engineers Handbook, 2nd Ed. American Institution of Mining Engineers. 1993.
Littlejohn, G.S., and Conway., J.J., "A Simple Device to Control Rockbolt Tensioning" In Tunnels and Tunnelling
Conway, J.J., "Application of Risk-Assessment In Tunnel Feasibility Studies" In 'Risk and Reliability in Ground Engineering', ICE, London, 1993.
© Ashford Engineering Consultants 2001-2005