Arboriculture (tree surgery) • Forestry accidents at work involving employees, third parties & /or property • Trees on development sites (planning & protection issues) • Trees & low-rise building subsidence • Injury or damage caused by tree failure • Damage to trees by third parties • Illegal treework operations (felling)

Arboriculture • Arboriculture accident investigation • Arboriculture planning & development • Arboriculture tree risk assessment • Arboriculture health & safety • Arboriculture professional negligence • Arboriculture training

Architect's appointment: practice, fees, competence and professional negligence • Building contracts and subcontracts: obligations, delay, disruption, extensions of time, architects' instructions, certificates, practical completion, partial possession, liability • Building construction and design failures • Cladding • Building regulations • Fire safety • Intellectual property: architectural copyright • Disciplinary and regulatory proceedings • Town and Country Planning Act appeals • Public inquiries • Adjudication • ADR • Mediation

Assessment and design of silage, slurry and manure handling, storage and application equipment and facilities • Compliance with agri-pollution legislation • Agricultural land management, including soil, manure and vegetation management practice

Expert arboricultural evidence for developers & local authorities in planning appeals, hearings & public local inquiries • Expert witness statements & evidence relating to litigation involving arboriculture, tree root damage, subsidence, Tree Preservation Orders & high hedge disputes • Evidence relating to arboriculture, woodland management, insurance & valuation • Having previously been MD of the largest landscape & grounds maintenance contractor in the UK, I also specialise in resolution of contractual disputes,...

Air quality, odour and health impacts specialist with BA chemistry from the University of Cambridge and PhD atmospheric chemistry • Over 30 years' experience as an industry specialist at ICI and in consultancy • Mark has appeared as an expert witness on over 40 occasions on issues including odour and air quality impact assessment; environmental and health effects of waste management; perception of health risks; road traffic emissions; and effects of air pollution on natural habitats

Expert in project management and contract management in the following sectors: electricity, renewables, electricity industry, electricity markets Wind farms - offshore, construction Electricity distribution systems • Electricity generation • Electricity substations • Electricity trading Renewable energy Energy industry: contracts, offshore, project management, quantum Energy markets: energy plant, onshore wind, offshore wind, renewable energy, grid, electricity transmission, electricity power lines and power stations....

Expert witness and forensic investigation services relating to measurement and analysis of noise- and vibration-related incidents and disputes • Areas of expertise include noise-induced hearing loss, hand-arm and whole-body vibration exposure, planning disputes, noise nuisance and building regulations, and specifications compliance for commercial and residential developments, including noise impact assessments • Assessment of noise under Control of Noise at Work Regulations and implementation of hearing conservation...

Mark has expertise in: • Tree safety • Trees in relation to accidents • Trees and boundary disputes • Root encroachment • Trees and planning • Amenity tree valuation • Tree Preservation Orders • Tree pruning (quality thereof) • Management of trees in relation to structural damage • Professional negligence relating to tree management, including planning applications

David is part of the architects' practice Purcell, who have offices around the UK, thus providing a local presence. His direct email is given above. • Practised since 1973 • Special expertise with historic buildings • How architects work and the standards expected of them • How buildings are procured, designed and constructed • How contractors work and the standards expected of them • Investigating defects, identifying causes and responsibility • Building contracts, standard forms, use and interpretation

Arboricultural consultancy of all kinds, including: • Investigation of cases where subsidence or heave has occurred and involvement of trees is suspected. • Site surveys and reports for architects and developers, preparation of planning submissions and proofs of evidence for appeal hearings and public inquiries. • Assistance with Tree Preservation Order appeals. • Investigation of tree-related accidents. • Litigation concerning dangerous trees: nuisance and trespass. • Valuation of amenity trees and woodlands.

Accident, fire & explosion investigation in electrical installations • Electrical apparatus & plant failure • Electricity generation, transmission, distribution & supply, overhead lines & underground cables • Electrical installations disputes • High reliability systems • Renewable energy, feasibility, design, advice • Electrical power systems, design, installation, commissioning, operation & maintenance Experience Electricity Supply • Generation, transmission, distribution • Operations, maintenance, research, design,...

Building construction problems: • Negligence • Professional negligence (architecture & construction) • Home improvement disputes • Contractual disputes • Contractor & sub-contractor disputes • Improper contract administration (construction) • Claims investigation (property insurance) • Town & country planning: • Listed buildings • Architectural design: • Building conservation • Listed buildings • Design defects (faults) • Architectural defects • Construction works: • Project management (construction) • Architectural & building technology ...

Arboriculture • Arboricultural impact assessments • Tree inspection & surveys • Dangerous trees • Decay • Tree health & safety surveys & reports • Tree Preservation Orders • Tree protection & planning • Tree amenity assessments • High hedges • Conservation areas

Tree hazard evaluation • Planning appeals & applications • Tree & branch failures • Tree nuisance • Root trespass • Subsidence • Industrial accidents involving arboricultural operations • Tree damage from construction operations • Tree damage to infrastructure, buildings & surfaces • Plant establishment • Tree failures (planting) • Mediterranean trees & landscapes • Amenity valuation • Tripping due to tree roots • Safe working practices & pruning practices • Woodlands • Fire protection • Ecology • Management • Restoration

Experience of giving evidence under cross-examination both as a party expert and a single joint expert • Able to accept instructions on: • Professional negligence by architects & building surveyors • Building conservation & listed buildings • Building contract disputes • Failures of contract administration • Programming & time disputes • Design, architectural & construction defects • Building design • Claims for professional fees • Construction professional indemnity claims • Accredited Adjudicator • Chartered Arbitrator

Solar PV verification & validation • Infra-red testing • Electroluminescent testing • DC PV testing (daylight & dark IV) • System design • Inspection • High voltage systems • Ground source heat pumps • Wind energy • ESOS • Solar thermal • Energy efficiency Member of The Academy of Experts No 3922

Offices in Henley in Arden and Malvern. Expert assessment of garden works, landscape projects relating to standards & quality of construction or workmanship • Professional designer & consultant can advise & report on all scales of work & practice procedures • Reports, surveys & independent assessment provided • Specialist advisor on private garden projects, land use & development of golf-related facilities • Landscape architect for planning appeals & hearings

David is part of the architects' practice Purcell, who have offices around the UK, thus providing a local presence. His direct email is given above. • Practised since 1973 • Special expertise with historic buildings • How architects work and the standards expected of them • How buildings are procured, designed and constructed • How contractors work and the standards expected of them • Investigating defects, identifying causes and responsibility • Building contracts, standard forms, use and interpretation

Land drainage • Flood risk • Soil surveys • Soil husbandry • Land restoration • Water holdings structures/constructed wetlands • Natural flood management • Diffuse Water Pollution from Agriculture (DWPA) • Particular experience of soils and drainage along cross-country construction projects, such as pipeline installations • Providing consultancy and expert witness for soils and drainage disputes related to land development, land severance and breaches in land drainage law in England and Wales

Agronomy • Single farm payment • Advice on implementation of organic & environmental schemes • Providing appraisals & assessments on the restructuring of estates & farming businesses • Providing business plans for agricultural businesses & operations • Agricultural machinery operation • Dairy parlour operation • Grain storage • Aspects involving the operation & running of agricultural businesses • Fertiliser recommendations

Tree hazard evaluation • Planning appeals & applications • Tree & branch failures • Tree nuisance • Root trespass • Subsidence • Industrial accidents involving arboricultural operations • Tree damage from construction operations • Tree damage to infrastructure, buildings & surfaces • Plant establishment • Tree failures (planting) • Mediterranean trees & landscapes • Amenity valuation • Tripping due to tree roots • Safe working practices & pruning practices • Woodlands • Fire protection • Ecology • Management • Restoration

Combinable and potato crop agronomy • Fertiliser recommendations for all crop types except fruit • Sprayer filling and dilute pesticide washing disposal by biobeds and biofilters • Land-based legislation and effective practical interpretation on farm related to the Basic Payment Scheme (BPS), including all Good Agricultural and Environmental Conditions (GAECs) and Statutory Management Requirements (SMRs) covering water protection, nitrate vulnerable zones (NVZs), water abstraction, groundwater, soil management,...

Accomplished expert witness in all aspects of tree consultancy with high court experience • Holder of the 2001 AA Award for excellence in arboriculture • Occasionally instructed as a single joint expert, advising on a range of issues, including planning advice to personal injury cases arising from tree failures • Specialist experience includes being retained by insurers dealing with tree losses throughout Europe • Please visit the website for a more detailed schedule of all court appearances

General ear, nose & throat surgery • Industrial & occupational deafness • Nasal trauma • Otology • Rhinology

Water resources • Water quality • Water supply, distribution • Drinking water quality & treatment • Sewage, waste water management • Oil spill environmental impact assessment, pollution, treatment • River pollution • Contaminated land relative to water quality • Legionella risk assessments

David is part of the architects' practice Purcell, who have offices around the UK, thus providing a local presence. His direct email is given above. • Practised since 1973 • Special expertise with historic buildings • How architects work and the standards expected of them • How buildings are procured, designed and constructed • How contractors work and the standards expected of them • Investigating defects, identifying causes and responsibility • Building contracts, standard forms, use and interpretation

Technical: • Petroleum products, including treatment design & development • Energy conservation & management • Environment • Oil & gas processing • Pipelines • Metal cutting • Metal forming • Mineral oil extraction • Gas supply & control • Pharmaceutical products • Process plant • Pressure vessels • Food & drink processing machinery • Chemical industry machinery • Welding • Functional: • Consultancy services • Process engineering & contracting • Quality control • Assurance & inspection ISO 9001/2 • Project management • Purchasing & procurement • Contracting •...

Electrical contracting • Electrical installation • Electrical drawing & design services • Electrical building service engineering • Electrical estimation Attended courses in: • expert witness report writing • confidence in the courtroom

Analysis of defective building construction/design • Negligent building contract administration • Building contract disputes • Negligent building surveys of property • Dilapidations • Boundary disputes

Architects' professional negligence • Architects' appointments & fees • Building contract disputes • Building defects & failures • Cladding & performance in fire • Contract claims, including adjudication response • Land & property disputes, including matters referred to Lands Tribunal • Liability within the design team • Historical analysis of buildings • Preparation of visualisations • Preparation of expert reports • Attendance at court • Participation in all forms of ADR • Representations in respect of planning applications, adjudication...

Land use and development planning • All aspects of town planning, including national and local planning policy • Planning and related legislation • National planning practice guidance • Local planning policy • Listed buildings and conservation areas • Development management/control • Case examples include numerous planning appeal inquiries • Contractual disputes • Casino licensing hearings and appeals • Compulsory purchase/Lands Tribunal • Judicial review of planning decisions • Injunctions, etc. Offices in Lancashire, Cumbria &...

David is part of the architects' practice Purcell, who have offices around the UK, thus providing a local presence. His direct email is given above. • Practised since 1973 • Special expertise with historic buildings • How architects work and the standards expected of them • How buildings are procured, designed and constructed • How contractors work and the standards expected of them • Investigating defects, identifying causes and responsibility • Building contracts, standard forms, use and interpretation

Dry rot • Wet rot • Woodworm • Timber decay • Indoor air quality • Sick building syndrome • Flood & fire damage • Allergy problems in buildings • Conservation of historic buildings • Building defects analysis • Environmental health • Building mycologist, pathologist & environmental health scientist

Architecture • Building defects and regulations • Health and safety

Arboricultural consultant with experience as a Single Joint Expert and in Criminal, Civil and Coroner's Courts • Tree biology • Subsidence investigations for tree & property owners • Tree safety & accidents • Tree root damage to property & slips/trips • Personal injury claims as a result of tree roots & falling branches/trees • Professional negligence • Tree Preservation Orders - administration, applications & appeals • Trees & the planning process, including BS5837 & planning appeals • Valuation of amenity trees for civil...

Experience in architectural practice both pre-contract & post-contract with particular reference to terms of appointment & construction methods & detailing • A detailed knowledge of building regulations involving legislation & building contracts • A member of the RIBA panel of adjudicators • A wide knowledge of landscape contracting disputes as a Director of Deberris Landscapes Ltd • Experience in preparation of reports under legal instruction as an expert both prior to issuing of proceedings & court action • Experience...

Veterinary science with special reference to birds, reptiles & other exotic species • Wildlife • Pathology, gross & microscopic • Forensic work • Laboratory techniques • Tropical diseases • Zoonoses (diseases transmissible from animals to humans) • Animal bites, scratches & venoms • Zoos • Conservation • Animal welfare • Work overseas, especially Africa & Caribbean • RCVS Specialist in Veterinary Pathology • Diplomate European College of Veterinary Pathologists • Diplomate European College of Zoological Medicine