David Marshall

Experience

• 

  Balfour Beatty plc

  Jan 1977 - Jan 1990

  Responsible for all construction activities, including foundation installation, tower erection and conductor stringing for 80 kilometres of 400 kV double circuit overhead line. Duties included the supervision of section engineers and subcontractors in all aspects of construction in difficult terrain, which involved the extensive use of helicopters. Responsible for foundation installation, tower erection, conductor running out, sagging, clamping, dead ending and final inspection for the provision of 130 kilometres of 132 kV single circuit transmission line. Responsible for the supervision of construction for 13 kilometres of single circuit 275 kV overhead line through mountainous rain forest accessible only by helicopter. Responsible for the construction of 200 kilometres of 400 kV double circuit line in desert conditions, including foundations, towers, conductor stringing and final inspection. Responsible for supervising construction of foundations, including testing of auger foundations, and for all conductor stringing operations during the development of 250 kilometres of Suralaya-Gandul-Bandung 500 kV overhead line. Responsible for the design of towers and foundations for overhead lines during tendering and contract design stages, cost estimating and contract co-ordinating. Responsible for construction work to refurbish foundations, towers and conductors on 400 kV double circuit lines. Responsible for all foundation construction, foundation testing, rock anchor and pile testing for the development of 140 kilometres of 380 kV double circuit line and 60 kilometres of 110 kV double circuit line.

  • Senior Constrction Engineer

    Jan 1988 - Jan 1990

  • Senior Construction Engineer

    Jan 1987 - Jan 1988

  • Senior Construction Engineer

    Jan 1986 - Jan 1987

  • Section Engineer Construction

    Jan 1985 - Jan 1986

  • Foundation and Conductor Stringing Engineer

    Jan 1983 - Jan 1985

  • Foundation and Tower Design Engineer

    Jan 1981 - Jan 1983

  • Construction Supervision Engineer

    Jan 1979 - Jan 1981

  • Foundation Construction Supervision Engineer

    Jan 1979 - Jan 1981

  • Trainee Construction Engineer

    Jan 1978 - Jan 1979

  • Trainee Construction Engineer

    Jan 1977 - Jan 1978
• 

  WSP in the UK

  Jan 1990 - now

  Responsible for engineering related to overhead power transmission lines, including feasibility studies, lattice steel tower design, foundation design, specification preparation, tender evaluation as well as technical and design review. Provided these services for such projects as:- South Azizah - Shoaiba 380 kV Overhead Line, Saudi Arabia: Responsible for the technical review of designs and drawings for the towers and foundations of 120 kilometres of new double circuit overhead line.- Lahat - Lubik Linggau - Sumatra, Indonesia: Completed design studies and prepared specifications for 106 kilometres of new 275 kV double circuit transmission interconnector. Also reviewed profiles and soil investigations. Show less

  • Chief Overhead Lines Engineer

    Jan 2007 - now

  • Senior Overhead Line Engineer

    Jan 1998 - Jan 2007

  • Substation Civil Quality Control

    Jan 1996 - Jan 1998

  • Senior Transmission Line Engineer

    Jan 1995 - Jan 1996

  • Chief Civil/Foundation Engineer

    Jan 1994 - Jan 1995

  • Senior Transmission Line Engineer

    Jan 1990 - Jan 1994