Submarine Cable Projects
For over 35 years the company has been at the forefront of providing diving support and subsea intervention for major telecommunications and power submarine cable projects. From transoceanic cables stretching around the globe to the roll out of the domestic fibre optic network throughout Australia as well a number of major power cable projects the company has achieved an excellent performance record and reputation for delivering quality services in accordance with client cost and time constraints.
Of the 13 cables landing in Sydney, NSW which constitutes the major international telecommunications hub for Australia, 12 of those cables have been installed with the Diving Co. as the preferred contractor for both directional drilling diving support and cable landing/cable trenching support:
Pacrim West 1995
Client: Cable & Wireless
The longest continuous submarine cable at the time at 7,062km. Manufactured by Alcatel in Botany, NSW the cable was laid at depths up to 8900m. Diving support included directional drilling and shore end landing.
Southern Cross Cable (SCCN) 1999
28,900km submarine network from Narrabeen, NSW Australia to Nedonna Beach, Oregon, USA. Provision of dive support for shore end landing and on-site consultancy and project oversight for landing in Oregon, USA.
Australia Japan Cable 2000
12,700km. Sydney, Guam to Japan. Diving support for directional drilling of bores and shore end landings. Consultancy and diving management/client representation of landings in Japan and remedial works in China.
Bass Strait 2 2003
242km Telstra fibre optic submarine cable from Inverloch, Victoria to Stanley, Tasmania. Shore end landings, Cable protection with Protectorshell, cable trenching. Remedial work on bore protection system at Inverloch.
370km 400KV DC power cable connecting Tasmania to national grid in Victoria. Currently still second longest submarine power cable in existence comprising 3 cables: main power cable, earth return and 12 core Fibre Optic cable. Company provided dive support for shore end landings both at McGauran’s Beach, Victoria and Four Mile Bluff, Tasmania including 18 personnel comprised of dive crews, vessel operators and cable landing coordinators as well as 6 work vessels and associated plant & equipment. The beach landing at Four-Mile Bluff also included installation of Protectorshells and cable trenching operations.
Client: MSD / Alcatel-Lucent
Narrabeen, NSW to New Caledonia. Diving support for directional drilling operations and shore end landing.
Pipe Pacific Cable 1 2008.
6900km cable from Narrabeen, NSW to Guam via PNG. Dive support services for directional bore and shore end landing.
Telstra Endeavour 2008
9,125km cable from Tamarama, NSW to Oahu, Hawaii. Provision of diving support services for directional drilling and shore end landing.
Tasman Global Access 2016
Client: MSD/Alcatel Submarine Networks
Narrabeen, NSW to Raglan, NZ. Diving support for shore end landings.
15,000km cable from Coogee, NSW to Oregon, USA via NZ. Diving support for directional drilling contractors UEA for 2000m directional bore into 35m water depth. Diving support for cable landing.
Indigo Central 2018
Client: Coe Drilling, MSD/Alcatel
Sydney to Perth . Diving support for directional drilling and cable landing at Coogee , NSW including cable protection and post lay burial.
Coral Sea 2 2019
Sydney to Port Morseby, PNG & Honiara, Solomon Islands. 4,700km submarine cable. 4 fibre/20Tbps. Diving support for cable landing, cable protection and post lay burial.
JGA (Japan-Guam-Australia) 2019
Client: Coe Drilling
Diving support for directional drilling of bore at Narrabeen, NSW to Coe Drilling. Cable landings at Narrabeen and Maroochydore due Nov./Dec 2019.
SX Next (Sydney-Aukland-LA) 2021
Diving support for the Shore end landing of the Southern Cross Next Cable off Coogee, NSW in December 2021. Work included proving, roping, HDD support anchor installation, cable hauling with remote video monitoring and cable protection with Protectorshell ( #protectorshell)
Domestic Onshore Cables
Over the last 30 years the Diving Co. has provided and end to end service for submarine cable laying and post lay burial for over 30 cable crossings and in excess of 250km of submarine cable. Recent projects include:
Ausgrid West Pittwater 11Kv Power cable 2022:
Provision of diving and marine services to Ultegra for the successful laying of the 11Kv West Pittwater power cable. Diving support was also provided for the directional drilling of bores by UEA. Cable protection and trenching services .
FibreConX Cable 2021
High capacity Dark Fibre submarine cable crossing of Sydney Harbour: Dawes Point to Blues Point. Divingco provided integrated turnkey solutions including approvals, logistics, environmental, approvals as well as proving, marine plant, cable laying and dive support .
Vocus 720 Fibre 2021:
720 fibre crossing Rozelle to Pyrmont as part of expanding Vocus Dark Fibre Network. Complete provision of submarine cable laying services .
Nexthop Dark Fibre 2021:
Sydney harbour crossing from Dawes Point to Blues Point> Divingco provided all marine services for successful cable install.
Pittwater NBN Cable Rollout 2020
Preparation of documentation for relevant approval authorities, logistics, environmental ,transport, duct proving and roping, marine plant and lay barge, as built survey and diving support . Church Point to Scotland island installed and buried April 2020.
NBN Submarine Cable Taree 2020
Client : Visionstream
Provision of environmental services, planning, permits, duct proving and preparation, logistics including transport and crainage, tow vessels and cable drum stands, cable laying, as built survey, and cable burial/protection to specifications.
TPG Submarine Cable Iron Cove 2020
Provision of environmental services, planning, permits, duct proving and preparation, logistics including transport and crainage, tow vessels and cable drum stands, cable laying, as built survey and cable burial/protection to specifications.
Sydney Harbour Crossing, Dawes Point to Blues Point 2019
Preparation of documentation for relevant approval authorities, logistics, environmental ,transport, duct proving and roping, marine plant and lay barge, as built survey and diving support.
Rose Bay to Shark Island 2019
Client: Sail GP
Provision of 2 off 48 fibre cables temporarily laid from Rose Bay to Shark Island for worldwide live broadcast of Prestigious F50 catamaran race. Cables recovered and stored in specially fabricated corrals and tested in preparation for 2020 event.
Lake Macquarie 2018
12km submarine Fibre Optic cable as part of the NBN roll out. Provision of environmental services, planning, permits, duct proving and preparation, logistics including transport and crainage, self propelled barge and cable drum stands, cable laying, as built survey and cable burial to specifications.
Cronulla- Bundeena NBN cable 2018
Full end to end cable lay service including burial to 1.2m and cable protection via Protectorshell installation through designated seagrass protection areas.
Iron Cove and Gladesville cables 2018
Provision of complete end to end submarine cable lay and burial service.
HKMT-Ryde Project 2018
Provision of full marine cable laying and burial service for three cable crossings in Sydney Harbour from Anzac Bridge, iron Cove Bridge, Gladesville Bridge.
Wisemans Ferry Cable 2018
Client: Tandem Communications
Replacement of damaged submarine cable.
2HUH-20 Lane Cove River Crossing 2017
Provision of complete end to end submarine cable lay and burial service.
Various Cable Projects 2010 – 2016
Client: Silcar, Telstra and TPG
Lake Jindabyne, Lake Burly Griffith, ACT and 15 other cable crossings throughout NSW and Tasmania including the Olex power cable across the Tamar River , Tasmania.
Botany Bay Cable Project 2009
Client: OES/Viscas/Energy Australia
Provide diving support for the directional drilling of 6 bores at La Perouse as well as 24/7 dive support on cable lay barge to lay 6 13KVA power cables from LA Perouse to Silver Beach, Kurnell. Tasks included provision of 24/7 dive support on lay barge, floating plant and vessels for landings at silver beach, remedial burial operations, geotechnical sub seabed core sampling and post lay survey.
Port Stephens Cable 2007
Client : Silcar Communications
Corlette to Pindamar (5km): Provision of diving services, logistics, floating plant and post lay burial.
Derwent River Cable Crossing
Hobart, Tasmania. Provision of diving support and full cable lay, protection and jointing services.