Graham Evans has over 30 years experience in civil engineering and utilities practices. In 1995 he took over the management of the Sewer Lining Division in Biggs Wall Ltd. and transformed it into a major contributor to company profits. Later on in his career he carried out the role of independent consultant in the field of pipeline contracting with clients including AWE and British Gas. In 1999 he developed E.R.Systems Ltd. The Company was formed as a supplier to the small bore drainage industry and grew to have a major market share in this field. Among other actives ER Technical Services specialises in training of Cured-in- place lining (CIPP).