| Current Position at CWA
External Consultant, CWA Marine Department, providing expert advice on all aspects of port and coastal engineering.
Key Qualifications Over
thirty years’ world-wide professional experience principally in the
fields of coastal engineering, harbours, port design, dredging and
reclamation, including hydraulics, river engineering, ground water
development, dams, mathematical and physical models and risk
assessments.
Management and design expertise includes co-ordinating
multi-disciplinary marine, river, dam and power station projects,
infrastructure, environmental impacts; from feasibility studies through
to construction.
Additional specialist expertise in geology, sedimentology,
geomorphology and oceanography. Project experience includes the
nuclear industry and quality assurance.
Principal Expert Witness, over 35 appointments
Mediation, Conciliation, Adjudication
Summary
of Previous Professional Activities
| 1968-present |
Halcrow Group Ltd |
|
1986-present, UK: Chief Engineer, Various Projects
Manager for marine, coastal engineering, harbour and risk projects,
including study, modelling, design, contract documents and
environmental assessments. This included five years seconded to
Eurotunnel as their Chief Engineer (Marine). Workload covered
managerial and technical assessments for a range of projects world-wide
including
- Expert Witness (Recent):
Iraq dredging, Bahrain Airbase, Korean breakwater, Sovereign Harbour,
Port Talbot, Xaiohu Dao Jetty, IoW Flooding, Lebanon Breakwater,
Holderness Coast Erosion, Ethiopian Water Supply, UK Marina,
Brunei Dredging, Beirut Airport, Scottish Gas Pipeline, Australian
Dredging, Rock Blasting, Cofferdams, Cliff Failures, Professional
Negligence and other cases
- Five Adjudication Cases
- RLE River Medway Crossing,
analysis and reporting on various surveys - Sea defences, Sovereign
Harbour, studies, design contract and Engineer to Contract
- Expert Determination: Bahrain Dredging and UK Sea Defence Construction Disputes
- Spoil disposal licence, UK, investigations for offshore wind farm
- Lee-on-Solent Coast
Protection Study: reports, including Engineer’s report, design
development and obtaining various MAFF and DoE licences. Engineer to
the contract
- Lee-on-the-Solent: beach management, beach profiling, surveys, reports and approvals. Engineer to the contract
- Caister: offshore breakwaters, reports, designs, contract documents and obtaining approvals from authorities eg EN, RSPB, EA etc
- Sovereign Harbour: emergency and mitigation designs
- Shoreline Management Plans, various areas including Christchurch/Bournemouth bays
- Blackpool: revetment design studies, site supervision and Engineer’s report
- Blackpool: safety assessments (risk to public) of various structures
- Shoreham: sea defences, studies, designs, contracts and reporting
- UK Coasts: Association of
British Insurers, studies of coastal flooding and structure risk
assessment for the whole of England and Wales. Assessment of the risks
from single storms and risk to London from tides and freshwater flows
- Dungeness: annual beach replenishment, coastal management and flood risk, Nuclear Power Station
- Dungeness: successful implementation of coastal managed retreat
- Saltmarshes: managing the NRA's research projects, England and Wales
- Eurotunnel: design and
construction of the working marine platform accommodation over 5Mm3 of
tunnel spoil, as Eurotunnel’s Chief Engineer
- UAE: managing projects on
beach management, regional development, harbour siltation, maintenance
dredging and environmental controls, coastal erosion, the impact of
structures and environmental enhancement
- Teeside and Hartlepool: analysis of dredging fleet requirements and disposal of polluted spoil
- Lappel: port planning,
designs and consultations. Three contracts for dredging and reclamation
and the preparation of designs (revetments, surfacing, lighting,
drainage etc), site supervision and for future developments
- Oman: harbour design for fisheries development
- Kingsnorth: powerstation expansion and development, studies and data collection
- Dungeness: environmental assessment of development and flood risks and their remedial works
- UAE: four 20m high flood detention dams, management of the studies, designs and construction. Design of other flood relief works
- Denmark/Sweden:
Øresund Link, dredging and reclamation, technical advice and
advice on contract requirements, spill monitoring and construction.
Project risk assessments and claims analyses
- Bangladesh: river engineering and geomorphology, various projects. Dredging contracts
- Rosyth Naval Dockyard: revetments, outfall design and dispersal studies
- Past departmental manager for staff resources, planning and technical training.
1984-1986 Halcrow (Cyprus) Ltd
Cyprus: Principal Engineer, Various Projects
Responsible for new and
existing projects in the UAE and Oman including dams, coastal defences,
harbours and marinas, harbour design, cooling water intake/outfall
requirements for a methanol berth, and commercial port design.
1982-1984 UAE Dubai: Project Manager, Various Projects
Involved as project
manager for a wide range of inter-disciplinary projects involving
spring waters, rockfill and gravity dams, marina facilities, ship-lift
facilities, flood drainage improvement, and commercial harbour design.
During this period, Roger
continued to advise on coastal, creek and island development projects
and beach protection works throughout the UAE and Oman.
1980-1982 UAE: Senior Engineer, Mina Jebel Ali, Dubai
Supervised the
construction of the infrastructure for Mina Jebel Ali, a new 66 berth
deepwater port. Works included two port office complexes, three transit
sheds, a cool store, a cold store, two sets of four, 26m diameter,
reinforced concrete, water tanks together with their 30m high,
post-tensioned, reinforced concrete, water towers, steel tanks and
pump-houses, six 33KV and seven 11KV substations, a sewage treatment
works and a fire monitor tower.
Supervised concrete
production of some 8000m3/month for over 4000 stabits and 900 quay wall
blocks and other precast items. Resident engineer on Jebel Ali
Hotel Marina breakwater extension. Gave advice on a variety of
coastal engineering problems throughout the UAE.
1974-1980 UK: Senior Project Engineer, Various Projects
Engaged on a wide range
of coastal and maritime projects and other interdisciplinary studies
including cooling water intake basin at a nuclear power station,
harbour design, reclamation and litigation.
In addition, responsible
for internal research studies involving the design of a bund building
machine for tidal barrages, a report on breakwater armour units and
specialist advice for coastal, power station and water supply
projects in Libya, Yemen, Dubai, Indonesia, Malaysia and the
Bahamas.
Principal Expert Witness
on estuarine hydraulics and dredging in a long, successful, court case
which went to the House of Lords. Proof of Evidence for four
Public Inquiries.
1973-1974 Technical University of Delft
The Netherlands: Diploma in Hydraulic Engineering
Attended the
International Course on Hydraulic Engineering, specialising in
coastal engineering, port planning and administration and
hydraulic construction. Developed a mathematical two dimensional
transport diffusion model. Received an endorsement in groundwater
recovery.
1968-1973 UK/Overseas: Design Engineer, Various Projects
Based mainly in the UK,
but also working overseas. Projects included an environmental impact
assessment in Anguilla, monitoring beach nourishment, Expert Witness
experience, siltation, river sediment yields, collection of
oceanographic, meteorological and geological date for tunnel and basin
cooling water schemes for a nuclear power station.
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| Publications: Maddrell R J : "Dealing with Ordnance" WODCON Conference, Malaysia
March 2001
Maddrell R J and Gowan D : "Legal Implications of
Coastal Structures2, ICE Conference, Coastline, Structures and Breakwaters, September 2001
Maddrell R J, Rennie D and Spiller K: "The
"Legal" Impacts on Coastal Structures", MAFF Conference, Keele, June 2001
Maddrell R J, Rennie D, Home R and Thurston N: "The
Impacts of Changes to the Bathymetry and Wave Energy on Rates of Coastal Erosion",
MAFF Conference, July 1999
Maddrell R J, Phillips and Hill A: "Coastal Structures,
an Analysis of the Safety Risks", MAFF Conference, July 1999
Maddrell R J and Osmond W: "The Changing Flood Risk
Requirements and Managed Retreat Policy - Dungeness Nuclear Power Station and how it might
be Applied Elsewhere", ICE Coastal Management Conference, September 1999
Maddrell R J, Burgess K A and Fleming C A: "Coastal
Flood Defence Studies : Relating Design Criteria to Acceptable Risks, Both Now and in
Future Years"
Maddrell R J, Hintze W W and Lykke S: "Requirements and
Results of the Control of Dredged Spill Losses", WODCON XV Conference, Las Vegas,
June 1998
Maddrell R J, Reeve D and Heaton C: "Establishing
Coastal Flood Risks from Single Storms and the Distribution of the Risk of Structural
Failure", Int. Conf on Coastlines, Structures and Breakwaters '98, London, March 1998
Hunter E J, Maddrell R J and Phillips M: "Blackpool
South Shore Coastal Defences, Preventing Flooding and Damage during Storms", UK Water
Projects, 1998
Maddrell R J, Hintze W W and Lykke S: "The Control of
Dredged Sediment Spill Losses on the Øresund", 2nd Int. Conf. on Immersed Tunnel
Techniques, Cork, April 1997
Maddrell R J: "Managed Coastal Retreat, Reducing Flood
Risks and Protection Costs, Dungeness Nuclear Power Station", Coastal Engineering,
28, 1996
Maddrell R J: `The Channel Tunnel's Marine Works for Spoil
Disposal", CIWEM, 1996
Maddrell R J, Fleming C A and Mounsey C: "Assessing
Coastal Flood Risks", 25th ICCE Conference, USA, 1996
Maddrell R J: "Saltmarsh Restoration", Seminar,
1996
Maddrell R J: "Valuation and the Coastal Zone",
Marine Environmental Management, Review, 1996
Maddrell R J: 'Harbour Developments in the United Arab
Emirates and their Impact on Coastal Morphology' PIANC PCDC, Goa, India, 1995
Maddrell R J, Burgess K A, Deakin R and Mounsey C:
'Identification of Coastal Flood Areas in England and Wales for the Insurance Industry',
MAFF Conference, 1995
Maddrell R J, Mounsey C and Burgess K A: 'Coastal Flooding;
Assessing the Risk for the Insurance Industry', ICE Conference, 1995
Maddrell R J and Osmond W: `Review of some 30 years' Beach
Replenishment Experience at Dungeness Power Station, UK', 24th ICCE Conference, Japan,
1994
Bin L and Maddrell R J: `Three Dimensional Model for Wave
Induced Currents', 24th ICCE Conference, Japan, 1994
Maddrell R J and Fleming C A: `The Impact of Large Structures
on the Marine Environment', PIANC, Spain, 1994
Maddrell R J: 'Alleviation of Natural Disasters,
South-western Area of Bangladesh', ICE Conference, 1993
Gardener J D and Maddrell R J: 'Cost Effective Control of
Coast Erosion', IWEM Proceedings, 1993
Maddrell R J and Pearson M J: 'Logistics of Dredging the Tees
Approach Channel and within the Harbour', CEDA/PIANC Dredging Conference, 1991
Maddrell R J and Vaughan A J: 'The Design and Construction of
the Outer Layby Sea Defences at Shoreham', Coastal Structures and Breakwaters Conference,
1991 Maddrell R J : 'Environmental Impact of the Disposal of Channel Tunnel Spoil', IABSE
Colloquium, 1991
Maddrell R J and Burren K: 'Predicted Sea Level Changes and
their Impact on Coastal Works World-wide', 3rd Australian Port and Harbour Engineering
Conference, 1990
Maddrell R J: 'The Geology of Hamriyah (Sharjah, UAE) and its
relationship to local and structural geology', Conference on Quaternery Sediments in the
Gulf and Mesopotamian Region, Kuwait, 1987
Maddrell R J: 'Evidence of Recent Crustal Movements in the
Eastern UAE (Oman) mountains', Conference on Quaternery Sediments in the Gulf and
Mesopotamian Region, Kuwait, 1987
Loewy E, Witthaus K G, Maddrell R J, Wood J P: 'Breakwater
with a Sand Bitumen Core', Coastal Engineering Conference, 1980
Loewy E, Clifford J E, Maddrell R J: 'Environmental Impact of
a Major Harbour Project', Coastal Engineering Conference, 1978
Fleming C A and Maddrell R J: 'Mathematical Prediction of
Dredged Quantities', Sediment Conference, 1977
Loewy E, Witthaus K G, Summers L, Maddrell R J: 'Data
Collection and Analyses for Coastal Projects', Coastal Engineering Conference, 1976,
Maddrell R J: 'The History of Sediment Yield and Deposition
of the Jubones River, Ecuador, and its relation to Engineering Projects', International
Association for Hydraulic Research, International Symposium on River Mechanics, 1973
Maddrell R J: 'Evolution of the Outer Thames Estuary', Dock
and Harbour Authority, 1970
D'Olier B, Maddrell R J: 'Buried Channels of the Thames
Estuary', Nature, 1970
Maddrell R J and Prentice J E: 'The Black Deep - A Critical
Area of the Thames Estuary', Conference on the Technology of the Sea and Seabed, 1967 |
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