Projects

The company has provided an “Asset Protection Report” for an old brick lined sewer for the proposed deep basement.

David Lees was asked by URS to assist in the design of refurbishment measures and the tunnel inspection and site supervision of repair work for the Snowy-Geehi tunnel.

David Lees and Associates was appointed by the North Side Storage Tunnel Alliance of Transfield, Sydney Water, Connell Wagner and Montgomerey Watson to provide technical advice for the drill and blast excavation of the shafts at Scotts Creek and Lane Cove. This included the preparation of a Blast Quality Plan and submission to the Environmental Protection Agency. 

David Lees and Associates was appointed by Halcrow to provide Design Management Services for the tender design of Contract of the proposed New Delhi Metro for McConnell Dowell/Obayashi Joint venture.  The project included the design of 6km of twin underground railway mostly in bored tunnel and 6 new underground railway stations. Five of the stations were to be built in cut and cover type construction and the new station at Chawri Bazaar was to be an underground station formed by the enlargement of the running tunnels.

Southbank is a new development by Ganellen at Wolli Creek of 1,2,and 3 bedroom apartments next to the Mercure Hotel. The development is in soft marine clays and silts and the groundwater is tidal. Grosvenor are the subcontractor and McDonald sheetpiling are responsible for the excavation retaining wall. David Lees was requested to assist with a new sewer connection which is required to the manhole  on the corner of Levy Street and Gertrude Street.

David Lees and Associates was appointed by KBR to provide geological inspections of Sydney Water Sewer Tunnels.

David Lees and Associates was appointed by The Babtie Group to act as Designer's Representative for the construction of the NATM back shunt tunnel for the Changhi Tunnel contract T-01.

David Lees and Associates were appointed by Brandrill Limited to provide engineering assistance in the development of their non-explosive rockbreaking technology, PCF, for Hawkesbury Sandstone. The technique uses a fast burning propellant to deliver a volume of high pressure gas which breaks the rock with nominal vibration, noise and flyrock.

David Lees and Associates were appointed by KBR to provide an initial design and costings for a tunnel for the LNG pipeline crossing to Curtis Island for Origin Energy.

David Lees and Associates were appointed by Brandrill Limited to carry out the tender design for twin motorway tunnels at Ma on Sha in the New Terrotories in Hong Kong. 
 

David Lees and Associates were appointed by Hyder Consulting to carry out the initial design and review of the proposed tunnels for the M2 Gore Hill Freeway for the Environmental Impact Statement for the RTA.

David Lees and Associates was appointed by Austress Freyssinet to develop a soil mixing/jet grouting technique and to carry out trials at Sydney Airport..