David is a Chartered M&E Services Engineer, with specialist areas of expertise including heating, ventilation and air conditioning (HVAC). He has considerable experience of working on projects spanning the institutional, industrial and commercial sectors, both in the UK and overseas. He provides advice to parties involved in disputes, assessing the technical merits of potential/actual claims and preparing expert evidence/advice. Mr Rollason has extensive experience of contractual disputes and of advising clients on the duties of parties involved in the design, installation and inspection of mechanical and electrical works. He has acted as single party independent expert for claimants and defendants, and as single joint expert. He has provided expert advice on matters that are the subject of litigation, mediation, arbitration and adjudication, has participated in mediations and given evidence in civil and criminal Courts and during arbitration and adjudication hearings. Cases have involved major firms of contractors and consulting engineers and relate to disputes within the UK, Republic of Ireland, Channel Islands, Gibraltar, Cayman Islands, Middle East, Hong Kong, Thailand and Africa. He has also acted as technical expert for expert determination.