Gilbert Diving - Commercial Diving Services - Projects and Clients

Our valued clients and a brief description of projects undertaken.

ABI Group	Cutting off old bridge piles for the Brunswick Bridge Upgrade, NSW; Inspection of existing geo textile fabric underneath Pier at Broadwater Park, Southport.
Australian Fisheries Management Authority (AFMA)	In conjunction with Resource Hunter, tender was awarded to dispose of an illegal fishing vessel known as the “Wan Feng” in Cairns.
ARRB Research	Underwater Heritage Bridge inspections and reporting, Western Region NSW.
AUSCON in conjunction with DERM	Salvage of dive vessel & wreckage from Flinders Reef off the tip of Moreton Island-Moreton Bay.
Barry Bros	Plug installation and removal for GPT cleaning, Tweed & Gold Coasts.
Blackline Shipping	Installation, maintenance & removal of the Pilot pipe at the Gold Coast Desalination Plant.
Broad Constructions	Internal inspection of a fire water tank to repair the damage to the level indicator at Tweed City Shopping Centre.
Bundaberg City Council	Bridge inspections and reporting in the Bundaberg Region.
Byron Shire Council/ ITT Flyght	Aerator installation in Waste Water Treatment Plant, Byron Shire; Inspection & reporting of the Mullumbimby Storage Dam.
Caboolture Shire Council	Remedial works & maintenance in Waste Water Treatment Plant.
Cardno Alexander Browne	Comprehensive internal & external inspections on several water reservoirs throughout Southeast QLD, including photographic and evidence reporting.
CH2M Hill	Inspection & repair on Vortex Preventer in the Service Tank at Darling Downs Power Station.
Clarence River Ferries	Salvage of a 40 year old timber ferry, named the “Harwood” at Iluka.
Club Marine Insurance	Salvage of private vessels on the Tweed & Gold Coasts.
Coffs Harbour City Council	Inspection and internal repairs at Sawtell Waste Water Treatment Plant.
Coffs Harbour Slipway	Renew sliprails and maintenance.
Copperco.	Locate equalizing pipe in No.1 Stormwater Pond wall and fit inflatable test plug at Lady Annie Copper Mine.
Country Energy	Assistance with burial of cable in the Tweed River.
Downer Energy Systems	Inspection with video of well in Broadwater, N.S.W.
Dredeco	Recovery of dredging equipment at the Tweed Bar; Repair of damage from the grounding of a trailer suction hopper dredge at the Tweed Bar; Continual maintenance of flanged joints, 1 metre in diameter during offshore dredging operations at Coolangatta.
Fantaseas Houseboats	Salvage of houseboats on the waters of the Gold Coast.
GHD	Inspection and reporting of jetty in Bundaberg.
Gold Coast City Council/ Gold Coast Water	Remedial maintenance & repairs to aerators/ processing parts and solutions in contaminated water, using specialised environmental dive equipment at Elanora, Coombabah & Oxenford Waste Water Treatment Plant; Underwater repair & maintenance of public swimming pools & aquatic centres on the Gold Coast; Clearing & maintenance of tidal gates at Regatta Lakes, Paradise Point; Inspection and removal of debris at Jacob Wells Floodgates; Inspection & measurements of the Monterey Key Lock.
GCDA/ Veolia Water	Comprehensive video reporting of marine life adjacent to the desalination intake and discharge structures, Gold Coast Desalination Plant.
Golding Contractors	Pre-demolition inspection & survey on the Forgan Bridge, Mackay.
Harwood Slipway in conjunction with Oceanlinx	After structure was built, the installation of lift bags were attached to deploy the MK3 Wave Energy Converter into the water for delivery to Port Kembla.

Hempel Australia	Sample & reporting on the paint work for a cargo ship 193 metres in length, Moreton Bay.
IBS	Reservoir leak detection and maintenance, Longreach.
Integrated Chemical & Environmental Systems (ICES)	Inspection & repair of jammed cable in the raw water dam at Millmerran Power Station.
International Coastal Management (ICM)	Relocation & removal of commercial moorings at Paradise Point in conjunction with Queensland Transport.
John Holland	Overall inspection, remedial works & survey lagoon to obtain samples using polycarbonate tubing at Merrimac Waste Water Treatment Plant.
Leighton Contractors/ LBBJV	Underwater cutting of bridge pile casings at East Bowen Hills in Brisbane.
Linkwater/ Northern Network Alliance	Inspection & measurements of the inlet & outlet valves at Narangba Reservoir, QLD.
MacMahon Contractors/ WISA	Cutting & removal of 21 steel sheet pilings located near Beaudesert.
Marina Oceanus	Cutting of submerged walkways & pontoons at Marina Mirage, Gold Coast.
Maryborough Shire Council	Remedial works in Waste Water Treatment Plant.
Mary River Slipways	Excavated cable from a trench in the seabed off Fraser Island below 30m, the cable was cut and recovered for repairs to be carried out on the surface.
McConnell Dowell	On-going maintenance for the Tweed Sand Bypass Project which includes cleaning & inspections of the pumps, pipes & suction heads offshore.
MIRVAC	Install and remove inflatable plugs at Ephraim Island for GPT (Gross Pollutant Traps) cleaning.
Moltoni Adams	Cutting & removal of steel piles at the Old Pinkenba Wharf, Port of Brisbane.
Morton Urban Solutions/ Stockland	Internal dive inspection of reservoir to determine leakage and repaired at the Observatory Reservoir, Reedy Creek.
Nautilus Marine Insurance	Salvage & marine operations throughout N.S.W & Queensland for private vessels.
Neptune Marine	Welded a hole in the hull of the ship with the Habitat Welding System on the HMAS “Success”, Sydney.
Neumann Contractors	Video inspection & dye test of recently commissioned water reservoir at Coomera.
Nifsan	Inspection and reporting on the commercial moorings and vessels at Emerald Lakes Development.
NSW Fisheries	Service & maintenance of Sanctuary Zone Markers off Cook Island, Tweed Coast.
NSW Government of Services, Technology & Administration/ Manly Hydraulics Laboratory	Maintenance & repairs of offshore instrument deployment and demolition of tidal structures along the North Coast of N.S.W.
NSW Government- Land & Property Management Authority	Removal of parts & reporting of the hazardous “Tyalgum” wreck at Duranbah Beach.
NSW Maritime Authority	Salvages, river sign installations & removals in the Tweed Shire.
NSW Sugar	Inspection of cooling water inlet pumps, removal of silt & debris and the removal of overhanging bolt stubs from the entrance grate at Broadwater Sugar Mill.
Pacific Pontoons	Removal of redundant piles for new pontoons in Queensland.
Parsons Brinkerhoff	Removal of existing inflatable plug from balance pipe between SWP1 & SWP2 ponds. Install custom made cap to fit on the wet end of balance at Lady Annie Copper Mine.
Port of Brisbane	Changed the entrance beacon & a rigid buoy in Moreton Bay which was connected by a swivel arrangement to an 18 tonne concrete block.
Private Clients	Salvage of pleasure craft, commercial vessels, wrecks and vehicles, along with General Commercial Diving works.
Queensland Rail	Bridge Inspection and reporting all over QLD, second 4 year contract underway including core sampling of steel bridges.

Richmond Valley Council	Inspections, cleaning and maintenance on the intake filters for the Waste Water Treatment Plant on Richmond River, Casino; Installation of test plug in Evans Head Reservoir.
Roads & Traffic Authority	Underwater video surveillance and pile repairs at Missingham Bridge, Ballina; Underwater inspections of non border bridges within the South West Region; Underwater inspections and video surveillance of bridges within the Western Region.
Rous Water	Maintenance & repairs on aerator system in Rocky & Emigrant Creek Dams; Inspection & reporting of condition on internal access ladder and work platform inside reservoir, sediment levels checked on reservoir floor and on inlet box at Nightcap Water Treatment Plant.
ROV Downunder	Temporary removal of grate on intake riser and outfall blind flange to allow ROV access at the Gold Coast Desalination Plant.
Shell Australia	Underwater integrity inspections of piles & diving operations to remove debris, removal of concrete jackets on piles & cut off approx. 120 timber piles at the unloading wharf, Pinkenba.
Smithbridge Australia	Cutting of 600mm piles and survey of the General Purpose Wharf, Brisbane Port; Raker pile inspection & measurements of the Barge Wharf, Brisbane Port; Underwater inspection & removal of Beacon No. 1 & concrete slabs, Brisbane Port which was knocked over by shipping traffic.
Superior Jetties	Cutting and removal of hexagonal piles at Sanctuary Cove.
Telstra	Burial of phone cables in Murwillumbah, Oxenford and Cudgen Creek.
The Electrical Workshop	Inspection & maintenance on the cables and concrete blocks for the Destratifiers, Gold Coast.
Tweed Coast Marine	Marine salvage operations & recovery of vessels on the Gold Coast.
Tweed Heads Slipway	Renew sliprails and maintenance.
Tweed Shire Council	Periodical inspections to sewer rising mains Tweed River; Removal of Asbestos fencing in effluent ponds; Periodical Maintenance & inspection for Banora Waste Water Treatment Plant; Pipeline burial across Cudgera Creek; Flood debris clearing from waterways; Repairs & maintenance to the Anchorage Floodgates; Periodical inspection of grates and structures at the Clarrie Hall Dam; Measurements of existing structures at Tyalgum Raw Water Intake; Bridge inspection and video surveillance at Condong Bridge.
Viking Marine	Marine salvage operations & recovery of vessels on the Gold Coast.
Westham Dredging	Installation of a 900mm diameter dredge pipe and equipment offshore from Kirra Beach, extensive repairs were required after Cyclone Nancy; Fitting of a blanking plate over the culvert/ floodway at Brisbane Airport; Maintenance of submerged pipeline connections, 750mm in diameter at Gladstone.
WISA	Cutting and removal of temporary steel bridge supports & piers at Cedar Grove, Jimboomba.