Mark has a wealth of experience advising businesses involved in major infrastructure projects worldwide. He has been recognised as a leading infrastructure lawyer by independent legal guides and is a specialist in managing and solving complex disputes. Mark’s experience spans power generation and energy, transportation, water and waste, telecommunications, industrial and social infrastructure.

Mark's experience

  • Defending a major utility and energy supplier in a dispute over substantial alleged defects in external wall insulation works, including firestopping, window installation and structural issues across multiple residential tower blocks in Hampshire.

  • Advising The Kent County Council, a regional government authority, on the termination of an infrastructure development agreement with a developer arising from its failure to perform. The development agreement concerned a new secondary school site at Chilmington Green.

  • Advising Nordex UK Limited, a renewable energy company, in connection with an onshore wind farm in Scotland. Devising a strategy and preparing claims arising for additional compensation and extensions of time against a claim for delay damages.

  • Represented Nordex UK Limited, a leading wind energy company, in a dispute concerning a £75m onshore wind farm project supplying renewable energy to major UK manufacturing facilities.

  • Advising Cairnwell Developments Limited, a property development company operating in the healthcare sector in connection with claims by a building contractor for additional compensation. We advised in relation to a series of adjudications (including a smash and grab adjudication) concerning payment, time and defects.

  • Advised Cenergist Limited, a principal contractor, on a payment dispute with a subcontractor involving termination and settlement issues for multiple district heating projects across social and council housing developments.

  • Advised a rail contractor on the termination of a framework agreement and the resulting dissolution of a joint venture to carry out all work arising from a substation framework forming part of the Network Rail Infrastructure CP5 project.

  • Advised a UK power generation business on performance disputes with an industrial M&E contractor arising under a High Voltage Electrical Services Contract on works at Asfordby Business Park, Melton Mowbray, Leicestershire.

  • Advised a global wind turbine manufacturer on force majeure and COVID related delays and disruption to wind turbine installation works under a FIDIC Yellow Book contract at an on-shore wind farm in Dumfries and Galloway, Scotland. This included advice on counter-claims from the wind farm developer concerning delays to the project.

  • Advised an energy business on the scope of work to be carried out under two Engineering, Procurement and Construction Agreements for the design, build and commissioning of a portfolio of battery storage energy systems. Reviewed strategy and proposed amendments to the terms of the Engineering, Procurement and Construction Agreements.

Credentials

  • 2022
    Lawyer of the Year (Construction, Leeds) - Best Lawyers
  • 1996
    Joined Pinsent Masons
  • 1992
    DLA Piper, Associate
  • 1991
    Qualified - England and Wales
  • 1989
    Boodle Hatfield, Solicitor
  • 1989
    College of Law, Lancaster Gate – Law Society Finals
  • 1988
    Essex University – LLB Law
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Out-Law / Insight by Mark Harris

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