John Hawley is a Senior Vice President of Hatch Mott MacDonald based in California, where he managed the construction of the North Hollywood extension of the Los Angeles Metro, designed the first tunnels under the Sacramento River, led the preliminary design of the San Jose section of the Silicon Valley Rapid Transit, and is currently Engineering Manager for the Palmdale to Los Angeles section of the California High-Speed Train project.
has over 30 years experience in all aspects of design and construction management of tunnels and associated works for a variety of functions, with special knowledge of design and construction using the New Austrian Tunnelling Method (NATM), hard rock tunnel boring machines, and soft ground pressurized face tunnelling.
has made a particular study of the prediction and assessment of settlement effects caused by tunnelling.
He was technical coordinator of Mott MacDonald's design of the tunnels and related underground structures for the U.K.-France Channel Tunnel where, he directly controlled the detailed design of the U.K. Crossover in the worldâ€™s largest undersea cavern, which won the 1991 British Construction Industry Award for Civil Engineering.
taken leading roles on many major projects worldwide, including Heathrow Express
, the Greater Cairo Wastewater Project
, Hong Kong Shing Mun highway tunnels, Pulau Seraya immersed tunnel in Singapore, Hong Kong Strategic Sewage Disposal Scheme, and Tyne & Wear Metro.