GRAY DIVING SERVICES

DIVING AND MARINE CONTRACTORS



SOME OF OUR CLIENTS AND MAJOR PROJECTS COMPLETED


The following is a short list of some of our satisfied customers and a partial description of the major projects undertaken by Gray Diving Services in recent years.

United Salvage Consortium.

Supply of diving and salvage personnel for the salvage of major shipping casualties including “Anro Asia”, “Nella Dan” (Antarctica) “Iron Baron, “Gabriella”, McDermotts D.B 20. Macci Jet Trainer, Dakota DC3 etc.

Royal Australian Navy.

Construction of Deep & Shallow Degaussing Ranges in Sydney Harbour. Installation of Radiated Noise Range at Thistle Island S.A. for the Collins Class submarines. Logistic support for trials of closed circuit mixed gas deep diving equipment.

Bahrain Petroleum Company.

48” Pipeline installation project off Bahrain. UAE

Dept of Water Resources.

Underwater construction projects and period maintenance of dams throughout N.S.W.

Batangas Oil Co.

Major structural repairs to Cyclone damaged oil terminal wharf in the Philippines.

Indonesian Government.

Major Jetty construction using underwater Welding Techniques

S.N.T.C.

Major dredging works in Botany Bay

Tropical Reef Enterprises.

Construction of 2000 ton Slipway in Cairns.

I.H.C. Holland.

Installation & maintenance of S.B.M Terminal in Botany Bay.

Caltex Refining Ltd.

Major pipeline installation in Botany Bay (Banksmeadow Lines).

Ham/Westham.

Major dredging works in Botany Bay.

Harris Daishowa.

Installation of 36 tonnes of retrofit anodes to wharf structure at Twofold Bay, using wet welding process.

Boral Gas.

Installation of sub-marine loading terminal facility at Botany Bay.

Aust. Construction Services.

Construction, maintenance & inspection of wharves, slipways and marine infrastructure in Sydney Harbour for Dept of Defence.

Maritime Services Board.

Material evaluation survey of steel piles at Bulk Liquids Terminal, Botany Bay.

Sydney Ports Authority.

N.D.T inspection and wet weld repair of 1200 mm steel piles, Botany Bay prior to 200 tonne post tensioning. Period contract for diving maintenance 2000-2005.

Capital Planning Authority.

Hyperbaric weld repairs to high pressure pipeline, Canberra.

Kilpatrick Green.

Installation and burial of fibre optic cable in Darwin Harbour. Installation and trenching of 200 kva power cable Indonesia.

Caltex Refining Ltd.

Period contract for repairs & maintenance of marine infrastructure associated with Kurnell Refinery & sub-berth facility since 1960.

Mobil Refining Australia.

7 year period contract for repairs & maintenance of S.B.M. Sub berth and marine infrastructure associated with Port Stanvac Refinery South Australia.

Dept of Water Resources.

Major construction program at Hume Dam associated with remedial safety program. 1994-2000.

Caltex Refining Ltd.

Stabilization and Scour protection of pipeline end manifold in Botany Bay.

Commcord Australia.

Repairs to sub-marine fibre optic cable in Darwin Harbour.

Dept of Public Works.

Safety Audit Inspections of dams, weirs and locks throughout N.S.W.

Enetech Streamline Pty Ltd.

Installation of temporary baulks & stoplogs including concrete & steel support structures associated with the upgrading of the sluice gates at Hume Dam. (2 year period)

Maunsell Ltd.

High pressure water blast cleaning and ultrasonic testing of sheet piling at Brotherson Dock, Port Botany.

Australian Transport Safety Bureau.

Mixed gas inspection diving to video & gather evidence, following the running down of a trawler by a merchant ship in 70 metres of water.

Barclay Mowlem Pty Ltd.

Installation of new trunnion intake structures as part of the upgrading of Ben Chifley Dam at Bathurst. Installation of over 100 tons of structural steel as part of the $50 million upgrade of the dam.

Road Transit Authority.

Underwater structural inspection of road bridges in the Metropolitan, Northern, Western, Southern, Illawarra and Hunter regions. This work involved visual and video inspection, non-destructive testing, core sampling and reporting on over 200 bridges.

Snowyhydro Ltd.

Removal of submerged 22 ton inlet gates on Eucumbene and Tooma inlet tunnels at Tumut Pond Dam. This was the first time the gates were removed since installation in 1959.

Statewater.

Detailed structure inspections at several major Dams in the North West of the state, utilising R.O.V. and Mixed gas deep diving techniques.

Dept of Commerce.

Major crack repairs and underwater post tensioning of outlet penstocks at Hume Dam.


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