Projects

Project History

Below is a comprehensive list of projects Steel Mains has successfully delivered over the years

Projects

Steel Mains has successfully delivered and partnered on some of the largest water projects ever undertaken in Australia. Select a state below to view its project history.

You can also download the full Export Project History (PDF).

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Year State Project Principal Sizes & Joints Quantity (km)
2026 New Zealand North Harbour Bridge Watercare NZ 813 SSJ 1.03
2026 New Zealand Pt Chevalier Watermain 2 Watercare NZ 610 SSJ 1.17
2026 New Zealand Takapu Valley Bulkmain Wellington Water 762 SL1 0.27
2026 New Zealand Watercare Various Projects Watercare NZ 356 SSJ 3
2025 WA Alkimos Seawater Desalination Plant Water Corporation 114, 168, 219,273, 324, 406, 508, 610, 711, 813, 914, 1219, 1422, 1829 1.1
2025 SA Angle Vale Stage 1 SA Water 1290/1085/960 SL1 1.8
2025 VIC Bendigo WTP Stage 2&3 Coliban Water (Veolia) 1219 RRJ Various Fittings
2025 VIC Brushy Creek Yarra Valley Water 257 & 168 SSJ + 114 PE 3.6
2025 TAS Burnie WTP – UV Disinfection Program Stage 2A Tas Water 813 Various Fittings
2025 QLD Cairns Water Security Stage 1 Cairns Regional Council 1125, 1067, 914, 660 & 508 Sintalock I & II 12
2025 WA Coastal Waters Rio Tinto 219,273, 324, 356, 406, 457, 508, 559, 610, 711, 813 5.8
2025 QLD Coomera Connector Gold Coast CC 800 Various Fittings
2025 WA Dust Suppression & WM System Upgrade Stg 2 BHP 273 SSJ 0.2
2025 SA Eyre Peninsula Desalination Plant Transfer Pipeline SA Water 648 RRJ / SL2 7.2
2025 WA Finucane Island WAWA Pipeline BHP 457 Sintalock I 0.12
2025 WA Finucane Island Water Stacker 10 BHP 273 (SSJ + MET) 0.94
2025 WA Finucane Island Water System Upgrade BHP 168, 219, 273, 324 (SSJ + MET) 1.8
2025 NSW Lower Molongolo Icon Water 1829 RRJ 0.3
2025 VIC M80 Ring Road North East Link Melbourne Water 419 SSJ 1.2
2025 WA Main Live Valve Works FMG 1035 0.03
2025 NT Manton Dam Pipeline Power Water Corporation (N.T.) 660 SSJ 22
2025 SA Metro Growth SA Water 813, 1085, 1290 Sintalock I & 1290, 1575 Sintalock II 14.56
2025 NSW Metro Northwest Sydney Water 1016 SL1 1.1
2025 SA New Women's & Children's Hospital SA Water 406 SL1 0.8
2025 WA Port Ore Handling BHP 219 FL Fittings Various Fittings
2025 SA Roseworthy SA Water 813 Sintalock I & 457 SSJ 0.2
2025 TAS Selfs Point STP Tas Water 324/419/508/559/813 SSJ + SL1 0.12
2025 Export Suva Pipeline Water Authority Fiji 648 Various Fittings
2025 TAS West Tamar WTP – UV Disinfection Program Stage 2 Tas Water 559 Various Fittings
2025 VIC Western Port Recycled Water Scheme South East Water 660 SSJ 0.71
2025 NSW Wilton Pipeline Sydney Water 660, 508, 457 SL1 & 219 SSJ 5
2024 WA ALUA Project- Water Main Upgrade and Relocation Water Corporation 1219 SSJ & 1016 Sintalock I 1.09
2024 VIC Epping Road Upgrade McConnell Dowell 337 SL1 / SSJ 0.8
2024 QLD Fitzroy to Gladstone Pipeline Gladstone Area Water Board 1067 RRJ & Sintalock II 106
2024 New Zealand Fulton Hogan Watercare P2D Watercare NZ 1219 SSJ 0.4
2024 VIC Greenlinks Estate Trility Fulton Hogan 660 SSJ 0.5
2024 QLD HVAC – FTG Facilities Gladstone Area Water Board 1067 SSJ 0.5
2024 NSW Louth Park Trunk Watermain Upgrade Hunter Water 813 SL1 1.33
2024 VIC Loy Yang AGL Loy Yang 324/457/762 4.3
2024 VIC Loy Yang Pipeline AGL Loy Yang 324/457/762 4.3
2024 NSW M7-M12 Integration Project Sydney Water 559/OD406 SL1324/OD168 SSJ 1.5
2024 NSW Meadow Creek Old Burrier Rd Raw Water Main Replacement Shoalhaven CC 813 SSJ 0.09
2024 QLD Mount Peter Cairns Regional Council 508 0.67
2024 New Zealand Penlink Watercare NZ 648 SSJ 0.55
2024 VIC Rees Exford Road Greater Western Water 419 SSJ 1
2024 VIC SRL Clayton South East Water / VicRail 813 SSJ 0.13
2024 VIC SRL- Clayton Pipeline South East Water 813 SSJ 0.13
2024 NSW Upper South Creek Treated Water Pipeline Sydney Water 914 RRJ SL1 / RRJ 15
2024 NSW Western Sydney Aerotropolis Growth Area Stage 2 Sydney Water 813 RRJ & SL1 1.3
2023 New Zealand Eastern Busyway Link Watercare NZ 1124 SSJ 0.53
2023 VIC Epping Road Upgrade McConnell Dowell 337 SL1 / SSJ 0.8
2023 Export Fiji Export Water Authority Fiji 648 / SSJ 0.4
2023 QLD Pechey to Mt Kynoch Water Treatment Plant Toowoomba Region 813 RRJ 25.7
2023 New Zealand Watercare Wesley Watercare NZ 457 SSJ 0.46
2022 VIC Beattys Road Water Main City West Water 660 / SSJ 3
2022 ACT Belconnen Trunk Sewer Augmentation Icon Water 1219 / Sintalock I 0.15
2022 QLD Edmunton to Gordonvale Pipeline Reallignment Cairns Regional Council 813 & 457 / Sintalock I 2.6
2022 QLD Haughton Stage 2 Townsville Regional Council 1829 / Ball & Socket 3.5
2022 QLD Indooroopilly Roundabout Urban Utilities 508 / SSJ 0.5
2022 VIC M76 Pipeline Replacement Melbourne Water 1404 & 1200 / Sintalock I 4
2022 TAS New Norfolk – Lake Fenton Pipeline Tas Water 559 / SSJ & RRJ 1.4
2022 NSW Northern Roads Stage 5 Upgrade Transport for NSW 914 & 960/ Sintalock I 3.9
2022 QLD Perseverance Dam / Stage 4 Toowoomba Regional Council 813 / RRJ 7.3
2022 QLD Ross River Dam to Douglas Water Treatment Plant Townsville City Council 1290 / Sintalock I 10
2022 VIC South Geelong to Waurn Ponds Duplication Barwon Water 1085 / Sintalock I 2
2022 QLD South West Pipeline Seqwater 508 / Sintalock I 1
2022 SA Victor Harbor Road Duplication SA Water 610, 762 Sintalock I, 813 Sintalock II 1.6
2022 VIC Werribee Zoo Pipeline City West Water 660 / Sintalock I 2.3
2021 TAS Bryn Estyn Water Treatment Plant Upgrade TasWater 1404, 1219, 1067 & 914 / Sintalock I 1.5
2021 WA Canning Highway, East Fremantle Water main Upgrade Stage: 2 Water Corporation 610 / RRJ 1.4
2021 QLD Finland Road Replacing Failed Polyethene Pipeline Unitywater 610 / RRJ 2.1
2021 QLD Harmony Sunshine Coast Unitywater 660 / RRJ 0.5
2021 WA Iron Bridge Magnetite Project FMG 1125 & 1035 / Sintalock I 6.5
2021 WA King Park – Mount Eliza Reservoir Inlet Upgrade Water Corporation 914, 1016 & 1219 / Sintalock I 0.7
2021 VIC M205 Carlton Water Main Renewal Greater Western Water 813 / Sintalock I 2.3
2021 WA METRONET – Denny Avenue Water Mains Replacement Water Corporation 600 & DN900 / Sintalock I 1
2021 WA Merredin Water Pipeline Upgrade Water Corporation 900 / RRJ & SSJ 2.2
2021 WA Mitchell Freeway Extension – Alkimos Road Water Corporation 914 & 1422 / SSJ &RRJ 3.2
2021 NSW Moorebank Av Sydney Water 813 / RRJ and PE 2.1
2021 QLD Perseverance Dam / Stage 3 Toowoomba Regional Council 813 / RRJ 3.4
2021 NSW Prospect South to Macarthur (ProMac) Sydney Water 813 & 914 & 1067 & 1219 / Sintalock I 15
2021 NSW St Helena Pipeline Lismore Rous County Council 660 / RRJ & SSJ 6
2021 WA Wandi – New Water Pipes Water Corporation 400 / Sintalock I & RRJ 2.3
2021 NSW Western Sydney Aerotropolis Growth Area (WSAGA) Sydney Water 813 & 914 / Sintalock I 2.6
2020 VIC AGL Loy Yang Loy Yang 762 & 457 / Sintalock I & SSJ 3.6
2020 VIC Ballarto Road South East Water 660 SSJ 4.5
2020 WA Canning Highway, East Fremantle Water Main Upgrade Stage: 1 Water Corporation 610 / Sintalock I 1.8
2020 QLD Cannonvale Potable Water Whitsundays Regional Council 559 / RRJ 11
2020 VIC Cherry St Level Removal Crossing City West Water 1750 RRJ & 660 SSJ 600m
2020 VIC Grant Street Rising Main Western Water 610 / Sintalock I 4km
2020 WA Hammond Road Water Upgrades Water Corporation 600 / RRJ & Sintalock I 1.6
2020 QLD Kamerunga to Lake Placid, Cairns Cairns Regional Council 660 / RRJ & Sintalock I 2.7
2020 QLD Livingston Sewer Rising Main Livingston Shire Council 508 / Sintalined Pipe 0.14
2020 QLD Mt Spec Pipeline Replacement, Townsville Townsville City Council 508 / Sintalock I 1.5
2020 VIC North East Link Early Works – CPB Yarra Valley Water / Melbourne Water 1750 & 1404 / BSJ & Sintalock I 1.2
2020 QLD Perseverance Dam / Stage 2 Toowoomba Regional Council 813 / RRJ 7.5
2019 WA Armadale Road Pipe Relocation Georgiou 406 & 508 SSJ / Sintalock I 0.7
2019 VIC Bald Hill Pipeline Yarra Valley Water 813/660 SSJ 5 / 3.4
2019 WA Beeliar Road Water Corporation 711 RRJ / Sintalock I 1.8
2019 WA Eglinton Marmion Avenue Water Corporation 711 RRJ / Sintalock I 3.7
2019 QLD Eungella Pipeline Connection SunWater 711 SSJ Sintakote 1
2019 NT Fishermans Place Power and Water Corporation 257, 337 SSJ 0.4
2019 WA Kalamunda Roe Highway Water Corporation 324 Sintalock I 0.3
2019 QLD Lake Moondarra Mount Isa Water Board 800 RRJ / SSJ 1.2
2019 QLD Lake Moondarra Stage 4 Mt. Isa Water Board 800 Sintajoint RRJ 1
2019 NSW Lisarow Stage 3b Utility Roads and Maritime Services 960 Sintalock I 0.4
2019 VIC Loy Yang Pipeline AGL Loy Yang 324 / 457 SSJ 4.8 / 1.2
2019 WA Merredin Water Corporation 914 SSJ / 813 SSJ 0.8
2019 VIC Nicholson St Carlton North City West Water 813 Sintalock I 2.2
2019 NSW Northern Roads Stage 2 TNR2 Variation Sydney Water 1067 / 813 / 660, PE 1
2019 VIC O'Shannassy Reservoir Melbourne Water 1981 PE & 1575 Sintalock I 0.4
2019 QLD Perseverance Dam / Stage 1 Toowoomba Regional Council 813 Sintajoint RRJ 7.5
2019 NSW Quakers Hill Project Sydney Water 1626 / 1067 / 960 RRJ & PE 0.6
2019 WA Roe Hwy/Kalamunda Interchange Main Rd Water Corporation 610 Sintalock I / 1142 SSJ 1.4
2019 WA SDOOL, Rockingham WWTP Water Corporation 1422 Sintalock I 4
2019 QLD Smithfield Bypass Cairns Cairns Regional Council 660 & 813 SSJ 1
2019 WA Talbot Road Water Corporation 1422 SSJ / 914 SSJ 1
2019 WA Wanneroo/Ocean Reef Road Interchange Water Corporation 914 SSJ / Sintalock I 0.6
2019 NSW Windsor Bridge Upgrade Roads and Maritime Services 419 & 337, SSJ 1
2019 NSW Woden Bus Depot Icon Water 762 Sintalock II 0.3
2018/2019 QLD Sunshine Motorway Pipe Relocations Unitywater 559 & 660 SSJ & Sintalock I 1
2018 WA Armadale Road Main Road 813 Sintalock I 1
2018 QLD Bruce Highway Upgrade (CR2SM) Unitywater/Seqwater 660 / 559 SSJ 1
2018 QLD Cairn T01 Sewer Rising Main Cairns Regional Council 660 Sintalock I 1.4
2018 QLD Cleveland Bay Treatment Plant Outfall Townsville City Council 1200 RRJ 1
2018 VIC Epping North Pipeline Yarra Valley Water 419&337&257 / SSJ 7
2018 QLD Kingsford Smith Drive Upgrade Queensland Urban Utilities 660 SSJ 1.2
2018 VIC Loy Yang Mines – Groyne De-watering Line AGL Loy Yang 762 / Sintalock II 5
2018 VIC M41 Pipeline Replacement Melbourne Water 1200 / Sintalock I 5
2018 SA Morgan WTP Upgrade SA Water Pipe Fittings, Various (114 – 1575) 1
2018 WA Nelson Point Water Main BHP WAIO 508 Sintaolock I (pipes & fittings) 2.5
2018 NSW Northern Roads Stage 2 Sydney Water Various (356 – 1067) 3.8
2018 Export Suva Region Water Authority Fiji / Suva 610 2.3
2018 WA Talbot Road Water Corporation 1422 SSJ 0.5
2018 QLD Townsville Stadium Townsville City Council 240,356,660 SSJ, Sintalock I 1
2018 NSW Wentworth to Broken Hill Pipeline WaterNSW 762 Sintajoint RRJ 264
2017 QLD Brisbane Airport Second Runway Brisbane Airport Corporation 114&240&324&406 / Sintalock I & SSJ & RRJ 4.7
2017 VIC Burvilles Rd Armstong Creek Pipeline Barwon Water 559 / RRJ&SSJ 1.6
2017 QLD Cairns – Caravonica Pipeline Carins City Council 800 / RRJ & SSJ 3.5
2017 WA Ellenbrook / Cunderdin Pipeline Water Corporation 914 / RRJ & SSJ & Sintalock I 2
2017 WA Farmlands Water Corporation Various (168 – 508) 3.6
2017 NSW Fish River Section Replacement Stage 2 Water NSW 914 / RRJ 3
2017 WA GAWS Coolgardie Water Corporation 813 SSJ / RRJ 9.3
2017 WA Harris Pumpback Water Corporation 711 RRJ & SSJ 9.8
2017 VIC M40 Pipeline Replacement Melbourne Water 1750 / Sintalock II 3
2017 QLD Mackay Ring Road Dept. of Transport & Main Roads 660 / Sintalock I & RRJ 1.7
2017 WA Neerabup Water Corporation 711 RRJ / Sintalock I 3.4
2017 WA North Link Stage II Main Road Various (219 – 1219) 2.6
2017 WA Pebble Beach Pipeline Water Corporation 711 / RRJ & Sintalock I 2
2017 NSW Schofields Road Stage 3 Sydney Water 406 / 508 RRJ 1
2017 NSW Stoney Creek Hunter Water 508 / RRJ Sintapipe 0.65
2017 TAS Tolosa Pipeline Tas Water 559 / SSJ&RRJ 1
2017 WA Tom Price pipeline Rio Tinto 419 / SSJ 2
2017 QLD Toowoomba Second Range Crossing Toowoomba Regional Council 1283 & 559 / B&S & SSJ 1
2017 VIC West Werribee Pipeline – Armstrong Rd City West Water 660&502 / SSJ 1.5 / 1.5
2017 WA Woodman Point WTP Upgrade WP 180 Alliance 1422 / SSJ 1
2016/2017 VIC Maroondah Aqueduct Pipeline Melbourne Water 1750 / Sintalock II 5.7
2016 WA Baandee Pipeline Water Corporation 813 / RRJ & SSJ 8
2016 NSW CTGM Tarro to Beresfield Hunter Water 1219 RRJ / Sintalock 2.1
2016 SA Darlington Upgrade Project Department of Planning, Transport and Infrastructure – SA 502&762&960&1016&1290 / SSJ&BSJ
2016 SA Roxby Downs Pipeline BHP 648 / RRJ (CAC lined) 44
2016 WA Stirling/Harris SP Water Corporation 1422 SSJ 3.2
2016 Export Waimanu Stage 2 pipeline Water Authority Fiji / Suva 660 / SSJ 2
2016 NSW Westconnex to Haberfield Wastconnex 914 Sintalock / PE 0.9
2016 WA Yule Pipeline Water Corporation 711 / RRJ & Sintalock I 12
2015 New Zealand Ashburton Lyndhurst Irrigation Scheme Ashburton Group / WIG 1283&1145 / RRJ 14
2015 NT Bargot Rd to Parap Trunk main Power and Water Corporation 660&559&508&419 / RRJ&SSJ&PE 2
2015 VIC M039 Punt Road Pipeline Replacement Melbourne Water 813&660 / Sintalock I & SSJ 3
2015 VIC M102 / M9 Watermain Renewal Essendon Melbourne Water 1200 / Sintalock I 6
2015 SA Olympic Dam GAB Pipeline BHP 502 / RRJ 3.2
2015 VIC St Albans to Werribee Pipeline Melbourne Water 1200&813 / Sintalock I & SSJ 4 / 2
2014-2017 TAS Margate Pipeline Stages 1-3 Tas Water 508&419 / SSJ 5
2014 WA Alkimos Pipeline Water Corporation 711 / RRJ & SSJ & Sintalock I 3
2014 WA Cunderdin Pipeline Water Corporation 508 / SSJ 2
2013 VIC Donnybrook Rd Watermain Yarra Valley Water 419&337 / SSJ 4 / 4
2013 WA GAWS Meckering Pipeline Water Corporation 1016 / SSJ 6
2013 WA Gateway – Perth Airport & Freight Access Main Roads 1422 & 711 / SSJ & Sintalock I 3
2013 NT Howard Springs Rd Watermain Power and Water Corporation 660 / RRJ&PE 1.5
2013 VIC Mt Ridley Pipeline Yarra Valley Water 711&502 / SSJ 2
2013 WA Wagin Pipeline Water Corporation 508 / SSJ & RRJ & Sintalock I 20
2013 VIC West Werribee Dual Water Pipeline City West Water 1200&960&660 / Sintalock I 3 / 4 / 5
2013 QLD Woleebee Creek to Glebe Weir Pipeline SunWater 1404&1067&960&914 / RRJ 120
2012 WA Bungaroo Pipeline Water Corporation 914 & 813 /RRJ,SSJ, Sintalock I 23
2012 QLD Curtis LNG Water pipeline project QGC 960&762&660&559&508 / RRJ 140
2012 VIC Mt Duneed Pipeline – Armstrong Creek Barwon Water 711 / SSJ 12
2012 VIC Palmers Rd & Leakes Rd Watermain City West Water 1200&416 / Sintalock I 3 / 2
2012 WA Stirling Trunk Main Duplication Pipeline Water Corporation 1422 / RRJ & SSJ 12
2012 WA Yule Pipeline Water Corporation 711 / RRJ 27
2011 TAS Berriedale Pipeline Tas Water 813 / SSJ 3.3
2011 NSW Chichester (CTGM) – Tarro to Shortland Hunter Water 960 / RRJ, Sintalock I 7.4
2011 SA Christies Beach Upgrade Project SA Water 1200 / Plain End 1
2011 WA Coastal Water pipeline Hammersly Iron 711 / SSJ 7
2011 VIC Coburns Rd Watermain Western Water 648 / SSJ 1.5
2011 NSW Fish River Section Replacement Stage 1 Water NSW 762, 914 / RRJ 3.7
2011 WA Marandoo Pipeline Rio Tinto 1016/914/762 /508 RRJ & Sintalock I 38.5
2011 SA North South Interconnection System Project SA Water 1016&813&762&610 / SSJ&RRJ 30
2010 UAE Al Ain Water Transmission Scheme Transco, Abu Dhabi 1626&1219&1016 / BSJ 13
2010 NSW Cessnock Pipeline Hunter Water 406 / SSJ 1.3
2010 WA Kwinana Desalination Pipeline 2 Water Corporation 1422 / SSJ 34
2010 NT Lambrick & Roystonea Avenue Power and Water Corporation 813&660 / SSJ&RRJ 6
2010 NSW Mardi to Mangrove Link Pipeline Gosford City & Wyong Shire Councils 1085 / RRJ & SSJ 21.5
2009/2010 VIC Melbourne Desalination Plant Transfer Pipeline Melbourne Water 1930 / BSJ 84
2009 – 2011 NSW Chichester Trunk Gravity Main (CTGM) Hunter Water 1422,1219,960 / RRJ, Sintalock I 14
2009 NSW Ash Island Hunter Water 1416 / Sintalock I 3
2009 VIC Bellarine Transfer Main Barwon Water 1290 / RRJ 2
2009 NT CBD Esplanade Water Main Power and Water Corporation 508 / SSJ&RRJ 2
2009 WA Geraldton Stage 1 pipeline Water Corporation 813 / RRJ 8
2009 VIC Tarago Project Melbourne Water 1290,1124 & 960 / BSJ 3
2009 QLD Toowoomba Pipeline Alliance LinkWater 762 / RRJ 38
2008/2009 VIC Sugarloaf North-South Pipeline Melbourne Water 1750 & 1404 / BSJ 55 / 20
2008 / 2009 NSW Sydney Desalination Plant Pipeline MCB Partnership 1829 / BSJ 10
2008 SA Adelaide Desalination Plant SA Water 1575 / RRJ 12
2008 NSW Bayswater Power Station Pipeline Macqauire Generation 1451 / RRJ 4
2008 WA Kalgoorlie Pipeline Water Corporation 914 / SSJ&RRJ 6
2008 NSW Liverpool to Ashfield Pipeline Sydney Water 1067 / 1124 / 988 20
2008 NT Palmerston Pipeline Power and Water Corporation 1067&813 / RRJ&SSJ 4.1
2008 QLD South East Queensland Water Grid Queensland Government 1451/1290/1085/960/813 334
2007/2008 VIC Goldfields Superpipe – Ballarat Link Central Highlands Water 800 / RRJ 47
2007-2009 VIC Wimmera-Mallee Pipeline Project Grampians Mallee Water 1016 & 711 / RRJ 64 / 30
2007 VIC Barwon Heads Rising Main Barwon Water 762 / RRJ (CAC lined) 6
2007 VIC Goulburn Campaspe Link Superpipe Coliban Water 1124 / RRJ 47
2007 SA Torrens System Upgrade Project SA Water 1829 / BSJ 3.4
2006 QLD Burdekin to Moranbah Pipeline Sun Water 813 / RRJ&SSJ 172
2006 WA Kwinana Desalination Plant Pipeline Water Corporation 1400 & 1200 / RRJ & SSJ 23
2006 New Zealand North Otago Irrigation Scheme Stage 1 North Otago Irrigation 1145&960 / RRJ 10
2006 NSW Prospect Raw Water Pump Station WaterNSW 1829OD RRJ 1.1
2005 UAE Al Ain Desalination Transfer Pipeline Abu Dhabi Water 813 / RRJ 152
2005 QLD Stag Creek Pipeline Sun Water 960&800 15
2004 / 2005 WA Serpentine Pipeline Water Corporation 1422 / SSJ &R RJ 19
2004 VIC Cardinia Pipeline Project Melbourne Water 1750,1200 & 1404 / BSJ 11 / 9 / 10
2004 NSW Clarence Valley RWSS Stage 1B North Coast Water 960 / 762 24
2004 Export Lautoka Region Water Authority Fiji 660 5
2004 New Zealand Southern Valley Irrigation Scheme Marlborough District Council 960 / RRJ 3
2003 WA Barrup Pipeline Water Corporation 1422&1219&1124 / SSJ 9
2003 WA Merriwa Pipeline Water Corporation 813 / RRJ & SSJ 4
2003 QLD Mt Miller Pipeline Gladstone Water Board 900 17
2003 Singapore NEWater Recycled Water Pipeline NEWater Singapore 914&813 RRJ 30
2002 NSW Clarence Valley RWSS Stage 1A North Coast Water 660 RRJ 35
2002 NSW Illawarra WW Transfer Main Pipeline Sydney Water 762 / RRJ (CP Lugs) 12
2002 Export Lomolomo Water Authority Fiji DN800 & 813 6
2002 QLD Stanwell Magnesium Project The Australian Magnesium Corporation 2235OD BSJ 0.09
2001 NT Howard Springs Pipeline Power and Water Corporation 813 / RRJ&SSJ 10.5
2001 VIC Mornington Peninsula Water Supply Melbourne Water 1750,1404 & 1200 RRJ / BSJ 30
2001 WA Stirling Trunkmain Water Corporation 1422 / RRJ & SSJ 106
2000 QLD Awoonga to Callide Pipeline Augmentation Sun Water 700 / RRJ (CP) & SSJ 33
2000 NSW Stockton Shortland Wastewater Treatment Hunter Water 660 / RRJ 2.2
1999 NSW Shoalhaven Reclaimed Effluent Scheme Shoalhaven Water 660 / RRJ 6
1998 QLD Awoonga to Gladstone Pipeline Gladstone Water Board 1440 / 1125 & 1085 RRJ 16
1998 QLD Brisbane City Council Brisbane City Council 2495OD Plain End 0.07
1998 SA Olympic Dam Uranium Mine Bore Pipeline BHP Billiton 648 / RRJ 115
1998 Export PWD Fiji Water Authority Fiji 711 / RRJ 9.1
1997 QLD Eungella Project QLD State Government 711 / RRJ 124
1996 QLD Nrth West QLD Pipeline – Ernest Henry Mine Sun Water 660 / RRJ 47
1995 / 1996 WA Wannaroo Pipeline Water Corporation 1400 / RRJ & SSJ 19
1995 QLD Eagle Farm to Luggage Point Treamtment Plant Pipeline Brisbane City Council 1915OD BSJ 3.5
1995 VIC Keilor Sewer Outlet Main Melbourne Water 502 OD Sintapipe 5.5km
1995 NSW Macarthur Project Sydney Water 1283, 1440 & 1575OD Sintajoint & BSJ 18.6km
1995 Fiji Nagado Pipeline Amplification Project Public Works Department (Fiji) 889 Sintajoint RRJ 0.84
1995 QLD Norther Region Water Supply Augmentation Albert Shire Council 660, 800 & 960OD Sintakote MSCL Pipe 18.5
1995 QLD Tarong Augmentation Project AUSTA Electric 660 & 900OD BSJ 78.2
1994 Export Lautoka Region Water Authority Fiji 889 1
1994 QLD Logan Trunk Main Amplification Logan City 1125 ,1290, 1440 & 1750OD Sintakote MSCL BSJ 14.5
1994 WA Mt Keith mine pipeline Western Mining Corp 508 / RRJ 23
1994 NT Palmerston Water Supply Power and Water Authority N.T 800 & 1067OD Sintakote MSCL Pipe 5.6
1994 VIC Torquay Pipeline Barwon Water 502 & 559OD Sintajoint RRJ 12.9km
1993 QLD Albert Water Project Gold Coast Water 660 / RRJ 17
1993 VIC Benalla to Kilfeera Basin Main Benalla Water Board 610OD Sintajoint RRJ 12km
1993 VIC Houghton Bridge Water Main Redcliffe City Council 559 Sintajoint RRJ Deep Entry Socket 2.7km
1993 VIC Northwest Trunk Sewer Portland Water Board (Wanon Water) 559 & 660OD Sintapipe 2.3km
1992 VIC Humffray Street South Aqueduct Ballarat Water Board (Central Highlands Water) 914OD RRJ 0.2km
1992 WA Ocean Reef Outfall Water Authority of Western Australia (Water Corporation) 1420OD Sintakote MSCL 2.5km
1992 NSW Penshurst Main Renovation Water Board Sydney Southern Region 676OD Sintakote MSCL 1.2
1991 QLD Southern Isis Irrigation Scheme Water Resources Commission 960 & 1125OD Sintakote MSCL 2.3
1991 QLD Stradbroke Island Pipeline Redlands Shire Council 813&660 / RRJ&SSJ 32
1991 WA Victoria-Bickley Dam Water Authority of Western Australia (Water Corporation) 1220OD Sintakote MSCL 6.1km
1990 WA Argyle Diamond Mine Upgrade Argyle Diamond Mines Pty Ltd 508OD Sintajoint RRJ 13.4km
1990 WA Harris Dam Project Water Authority of Western Australia (Water Corporation) 914OD Sintajoint RRJ 9.4km
1990 NSW Lake Macquarie Sewerage Scheme – Toronto to Belmont Public Works Department NsW & Hunter Water Board 965OD Sintakote MSCL Pipeline 3.3
1990 NSW Lucas Heights Reservoir Outlet Main Sydney Water 660OD / RRJ 2.2
1990 QLD Peter Faust Dam to Bowen Pipeline Bowen Shire Council 508 / RRJ 40
1990 QLD Stanwell Pipeline Sun Water 914 / RRJ 28
1989 TAS Kingston Pipe Duplication Hobart Regional Water Board (TasWater) 640OD Sintakote Welded Joints 4.8
1988 QLD Awoonga to Callide Pipeline Sun Water 700 / RRJ (CP) 54

Sintalock pipe jointing systems represent the future of pipeline technology, replacing the traditional welded joint types of Spherical Slip In Joint (SSJ) and Ball and Socket Joint (BSJ), providing greater security for your pipeline project.

Sintalock Project History

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Year State Project Principal Sizes & Joints Quantity (km)
2025 SA Angle Vale Stage 1 SA Water 1290/1085/960 SL1 1.8
2025 QLD Cairns Water Security Stage 1 Cairns Regional Council 1125, 1067, 914, 660 & 508 Sintalock I & II 12
2025 SA Eyre Peninsula Desalination Plant Transfer Pipeline SA Water 648 RRJ / SL2 7.2
2025 WA Finucan Island WAWA Pipeline BHP 457 / Sintalock I 0.12
2025 NT Manton Dam Power and Water 660 / Sintajoint and Sintalock I 22
2025 SA Metro Growth SA Water 813, 1085, 1290 Sintalock I & 1290, 1575 Sintalock II 14.56
2025 NSW Metro Northwest Sydney Water 1016 SL1 1.1
2025 SA New Women's & Children's Hospital SA Water 406 SL1 0.8
2025 SA Roseworthy SA Water 813 Sintalock I & 457 SSJ 0.2
2025 TAS Selfs Point STP Tas Water 324/419/508/559/813 SSJ + SL1 0.12
2025 NSW Wilton Pipeline Sydney Water 660, 508, 457 SL1 & 219 SSJ 5
2024 NSW BHP Finucan Island Water System Upgrade Sydney Water 610 / Sintalock I 0.1
2024 QLD Fitzroy to Gladstone Pipeline Gladstone Area Water Board 1067 RRJ & Sintalock II 106
2024 NSW Louth Park Trunk Watermain Upgrade Hunter Water 813 SL1 1.33
2024 NSW M7-M12 Integration Project Sydney Water 559/OD406 SL1324/OD168 SSJ 1.5
2024 QLD Mount Peter Cairns Regional Council 508 0.67
2024 NSW Upper South Creek Treated Water Pipeline Sydney Water 914 RRJ SL1 / RRJ 15
2023 VIC Epping Road Upgrade McConnell Dowell 337 SL1 / SSJ 0.8
2022 ACT Belconnen Trunk Sewer Augmentation Icon Water 1219 / Sintalock I 0.15
2022 QLD Edmunton to Gordonvale Pipeline Reallignment Cairns Regional Council 813 & 457 / Sintalock I 2.6
2022 VIC M76 Pipeline Replacement Melbourne Water 1404 & 1200 / Sintalock I 4
2022 NSW Prospect South to Macarthur (ProMac) Sydney Water 813, 914, 1067 & 1219 / Sintalock I 2.6
2022 QLD Ross River Dam to Douglas Water Treatment Plant Townsville City Council 1290 / Sintalock I 10
2022 VIC South Geelong to Waurn Ponds Duplication Barwon Water 1085 / Sintalock I 2
2022 QLD South West Pipeline Seqwater 508 / Sintalock I 1
2022 VIC Werribee Zoo Pipeline City West Water 660 / Sintalock I 2.3
2021 TAS Bryn Estyn Water Treatment Plant Upgrade TasWater 1404, 1219, 1067 & 914 / Sintalock I 1.5
2021 WA Iron Bridge Magnetite Project FMG 1125 & 1035 / Sintalock I 6.5
2021 WA King Park – Mount Eliza Reservoir Upgrade Water Corporation 914, 1016 & 1219 / Sintalock I 0.7
2021 VIC M205 Carlton Water Main Renewal Greater Western Water 813 / Sintalock I 2.3
2021 WA METRONET – Denny Avenue Water Mains Replacement Water Corporation 600 & DN900 / Sintalock I 1
2021 WA Wandi – New Water Pipes Water Corporation 400 / Sintalock I & RRJ 2.3
2020 VIC AGL Loy Yang Loy Yang 762 & 457 / Sintalock I & SSJ 3.6
2020 WA Canning Hwy, East Fremantle Water Main Upgrade Stage: 1 Water Corporation 610 / Sintalock I 1.8
2020 VIC Grant Street Rising Main Western Water 610 / Sintalock I 4km
2020 WA Hammond Road Water Upgrades Water Corporation 600 / RRJ & Sintalock I 1.6
2020 QLD Kamerunga to Lake Placid, Cairns Cairns Regional Council 660 / RRJ & Sintalock I 2.7
2020 QLD Mt Spec Pipeline Replacement, Townsville Townsville City Council 508 / Sintalock I 1.5
2020 VIC North East Link Early Works – CPB Yarra Valley Water / Melbourne Water 1750 & 1404 / BSJ & Sintalock I 1.2
2019 WA Armadale Road Pipe Relocation Georgiou 406 & 508 SSJ / Sintalock I 0.7
2019 WA Eglinton Marmion Avenue Water Corporation 711 RRJ / Sintalock I 3.7
2019 WA Kalamunda Roe Highway Water Corporation 324 Sintalock I 0.3
2019 NSW Lisarow Stage 3b Utility Roads and Maritime Services 960 Sintalock I 0.4
2019 VIC Nicholson St Carlton North City West Water 813 Sintalock I 2.2
2019 NSW Northern Roads Stage 5 Sydney Water 914 & 960 / Sintalock I 15
2019 VIC O'Shannassy Reservoir Melbourne Water 1981 PE & 1575 Sintalock I 0.4
2019 WA Roe Hwy/Kalamunda Interchange Main Rd Water Corporation 610 Sintalock I / 1142 SSJ 1.4
2019 WA SDOOL, Rockingham WWTP Water Corporation 1422 Sintalock I 4
2019 WA Wanneroo/Ocean Reef Road Interchange Water Corporation 914 SSJ / Sintalock I 0.6
2019 NSW Woden Bus Depot Icon Water 762 Sintalock II 0.3
2018/2019 QLD Sunshine Motorway Pipe Relocations Unitywater 559 & 660 SSJ & Sintalock I 1
2018 WA Armadale Road Main Road 813 Sintalock I 1
2018 QLD Cairn T01 Sewer Rising Main Cairns Regional Council 660 Sintalock I 1.4
2018 VIC Loy Yang Mines DWPS11 Fire Service and De-watering Pipelines AGL Loy Yang 762 / Sintalock II 5
2018 VIC M41 Pipeline Replacement Melbourne Water 1200 / Sintalock I 5
2018 WA Nelson Point Water Main BHP WAIO 508 Sintaolock I (pipes & fittings) 2.5
2018 QLD Townsville Stadium Townsville City Council 240,356,660 SSJ, Sintalock I 1
2017 QLD Brisbane Airport Second Runway Brisbane Airport Corporation 114&240&324&406 / Sintalock I & SSJ & RRJ 4.7
2017 WA Ellenbrook / Cunderdin Pipeline Water Corporation 914 / RRJ & SSJ & Sintalock I 2
2017 VIC M40 Pipeline Replacement Melbourne Water 1750 / Sintalock II 3
2017 QLD Mackay Ring Road Dept. of Transport & Main Roads 660 / Sintalock I & RRJ 1.7
2017 WA Neerabup Water Corporation 711 RRJ / Sintalock I 3.4
2017 WA Pebble Beach Pipeline Water Corporation 711 / RRJ & Sintalock I 2
2016-17 VIC Maroondah Aqueduct Pipeline Melbourne Water 1750 / Sintalock II 5.7
2016 NSW CTGM Tarro to Beresfield Hunter Water 1219 RRJ / Sintalock 2.1
2016 NSW Westconnex to Haberfield Wastconnex 914 Sintalock / PE 0.9
2016 WA Yule Pipeline Water Corporation 711 / RRJ & Sintalock I 12
2015 NSW Green Square Sydney Water 914 / Sintalock I 0.4
2015 VIC M039 Punt Road Pipeline Replacement Melbourne Water 813&660 / Sintalock I & SSJ 3
2015 VIC M102 / M9 Watermain Renewal Essendon Melbourne Water 1200 / Sintalock I 6
2015 VIC St. Albans to Werribee Pipeline Melbourne Water 1200 & 813 / Sintalock I, SSJ 4 / 2
2014 WA Alkimos Pipeline Water Corporation 711 / RRJ & SSJ & Sintalock I 3
2013 WA Gateway – Perth Airport & Freight Access Main Roads 1422 & 711 / SSJ & Sintalock I 3
2013 WA Wagin Pipeline Water Corporation 508 / SSJ & RRJ & Sintalock I 20
2013 VIC West Werribee Dual Water Pipeline City West Water 1200&960&660 / Sintalock I 3 / 4 / 5
2012 WA Bungaroo Pipeline Water Corporation 914 & 813 /RRJ,SSJ, Sintalock I 23
2012 SA NSIS Grange Road SA Water 610 / Sintalock I 0.1
2012 VIC Palmers Road & Leakes Road Watermain City West Water 1200 / Sintalock I 3 / 2
2012 WA Perth Foreshore Water Corporation 813 & 914 / Sintalock I 0.9
2012 NSW Williamtown Hunter Water 419 / Sintalock I 2.1
2011-12 WA Rio Tinto Pilbara Rio Tinto 914 & 1016 & 457 / Sintalock I 3.7
2011 NSW Chichester (CTGM) – Tarro to Shortland Hunter Water 960 / RRJ, Sintalock I 7.4
2011 QLD Kenya Chinchilla SunWater 1016 & 813 / Sintalock I 18.5
2011 NSW Liverpool Rail Sydney Water 813 / Sintalock I 0.1
2011 VIC MWC – M102 Melbourne Water 1200 / Sintalock I 1.2
2011 WA Marandoo Pipeline Rio Tinto 1016/914/762 /508 RRJ & Sintalock I 38.5
2011 VIC Tumut Melbourne Water 813 / Sintalock 1.1
2011 VIC Victorian Desalination Melbourne Water 457 / Sintalock I 1
2011 WA Wungong Water Corporation 508 / Sintalock I 1.4
2010 WA Denmark Water Corporation 508 / Sintalock I 1.3
2010 VIC M205 Preston Reservoir Melbourne Water 813 / Sintalock I 0.3
2010 NSW M2G Icon Water 1016 / Sintalock I 0.1
2010 WA SADD Wandi Southern Desalination 610 / Sintalock I 1.8
2010 WA Yanchep Water Corporation 610 / Sintalock I 1
2009-10 VIC M9 – Preston North Melbourne Water 1200 & 1404 / Sintalock I 7.1
2009-10 WA Picton Water Corporation 508 / Sintalock I 2.4
2009-10 WA Water Corporation Water Corporation 813 & 610 / Sintalock I 1.4
2009 NSW Ash Island Hunter Water 1416 / Sintalock I 3
2009 NSW CTGM Replacement Hunter Water 960 / Sintalock I 2.7
2009 NSW Glenfield Liverpool Sydney Water 1085 / Sintalock I 0.5
2007-09 VIC VIC Roads – St Albans Melbourne Water 660 & 972 & 1404 / Sintalock I 4.3
2006-07 VIC Preston Morang Pipeline Melbourne Water 965 & 1200 / Sintalock I 16.8
2006 VIC M104B Stage 6 Melbourne Water 813 / Sintalock I 2.8
2005 VIC Comans Street Gippsland Water 813 / Sintalock I 0.8

Steel Mains and its forerunners have been a major contributor and partner on many of Australia’s largest water infrastructure projects. Steel Mains have assisted with the delivery of these projects through innovation, manufacturing excellence and design expertise. Below you will find case studies of various projects we have helped deliver over the years.

Australian Pipeline Projects

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Year State Project Principal Length Outside Diameter & Joints
2024 WA ALUA Project – Water Main Upgrade and Relocation Water Corporation 1.09km 1219 SSJ & 1016 Sintalock I
2024 QLD Fitzroy to Gladstone Pipeline Gladstone Area Water Board 106km 1067 / RRJ & Sintalock II
2024 NT Manton Dam to Strauss Treatment Plant Pipeline Power Water Corporation (N.T.) 22km 660 SSJ
2023 QLD Pechey to Mt Kynoch Water Treatment Plant – Perseverance Raw Water Main Toowoomba Region 25.7km 813 RRJ
2022 ACT Belconnen Trunk Sewer Augmentation Icon Water 150m 1219 Sintalock I
2022 NSW Northern Roads Upgrade Stage 5 Transport for NSW 3.9km 914 & 960 Sintalock I
2022 NSW Prospect South to Macarthur (ProMac) Sydney Water 15km 813, 914, 1067 & 1219 Sintalock I
2022 QLD Ross River Dam to Douglas Water Treatment Plant Townsville City Council 9km 1290 Sintalock I
2022 SA Victor Harbor Road Duplication SA Water 1.6km 610, 762, Sintalock I & 813 Sintalock II
2021 TAS Bryn Estyn Water Treatment Plant Upgrade TasWater 1.5km 1404, 1219, 1607 & 914 Sintalock I
2021 VIC M205 Carlton Water Main Renewal Greater Western Water 2.3km 813 Sintalock I
2021 WA METRONET – Denny Avenue Water Mains Replacement Water Corporation 1km DN600 & DN900, Sintalock I
2020 VIC Cherry St Level Removal Crossing City West Water 600m 1750 RRJ & 660 SSJ
2018 QLD Cleveland Bay Treatment Outfall Townsville City Council 1km 1200 RRJ
2018 VIC Loy Yang Mines – Groyne De-watering Line AGL Loy Yang 5km 762 Sintalock II
2018 NSW Wentworth to Broken Hill WaterNSW 264km 762 RRJ
2017 VIC M40 Pipeline Replacement Melbourne Water 3km 1750 Sintalock II
2017 VIC Maroondah Aqueduct Melbourne Water 5.7km 1750 Sintalock II
2016 SA Darlington Upgrade Project Department of Planning, Transport and Infrastructure – SA 6.1km 502, 762, 960, 1016 and 1290 BSJ & SSJ
2015 VIC M039 Punt Road Pipeline Replacement Melbourne Water 3km 813 & 660 Sintalock
2013 QLD Woleebee Creek to Glebe Weir Pipeline SunWater 120km 914, 960, 1067, 1404 RRJ
2012 WA Stirling Trunk Main Duplication Water Corporation 27km 1422 RRJ
2011 SA Christies Beach Upgrade Project SA Water 1km 1200 Plain End
2011 WA Marandoo Pipeline Rio Tinto 38.5km 508, 762, 914 & 1016 RRJ & Sintalock I
2011 VIC Victorian Desalination Project Melbourne Water 84km 1930 BSJ
2009 VIC Sugarloaf North-South Pipeline Melbourne Water 75km 1750 & 1404 BSJ
2009 VIC Tarago Project Melbourne Water 3km 960, 1124 and 1290 BSJ
2009 QLD Toowoomba Pipeline Alliance LinkWater 38km 762 RRJ & SSJ
2008 VIC Goldfields Superpipe Central Highlands Water 47km 800 RRJ
2008 NSW Liverpool to Ashfield Pipeline Sydney Water 20km 988, 1067 and 1124 RRJ & SSJ
2008 QLD South East Queensland Water Grid Queensland Government 334km 813, 960, 1085, 1290 & 1451OD
2007 QLD Burdekin to Moranbah Pipeline SunWater 172km 813 RRJ & SSJ
2007 VIC Goulburn Campaspe Superpipe Central Highlands Water 47km 1124 RRJ
2006 WA Kwinana Desalination Plant Water Corporation 23km 1200 & 1404 RRJ & SSJ
2004 VIC Cardinia Pipeline Project Melbourne Water 30km 1200, 1404 & 1750 BSJ
2001 WA Stirling Trunk Main Water Corporation 106km 1422 RRJ & SSJ
2000 QLD Awoonga Callide Augmentation SunWater 33km 700 RRJ (CP) & SSJ
1998 SA Olympic Dam Uranium Mine Bore Pipeline BHP Billiton 115km 648 RRJ
1997 QLD Eungella Project QLD State Government 124km 711 RRJ
1995 QLD Eagle Farm to Luggage Point Treatment Plant Pipeline Brisbane City Council 3.5km 1915OD BSJ
1995 VIC Keilor Sewer Outlet Main Melbourne Water 5.5km 502 OD Sintapipe
1995 NSW Macarthur Project Sydney Water 18.6km 1283, 1440 & 1575OD Sintajoint & BSJ
1995 QLD Northern Region Water Supply Augmentation Albert Shire Council 18.5km 660, 800 & 960OD Sintakote MSCL Pipe
1995 QLD Tarong Augmentation Project AUSTA Electric 78.2km 660 & 900OD BSJ
1994 QLD Logan Trunk Main Amplification Logan City 13.5km 1125, 1290, 1440 & 1750OD Sintakote MSCL
1994 NT Palmerston Water Supply Power and Water Authority N.T 5.6km 800 & 1067OD Sintakote MSCL Pipe
1994 VIC Torquay Pipeline Barwon Water 12.9km 502 & 559OD Sintajoint RRJ
1993 VIC Benalla to Kilfeera Basin Main Benalla Water Board 12km 610OD Sintajoint RRJ
1993 VIC Houghton Bridge Water Main Redcliffe City Council 2.7km 559 Sintajoint RRJ Deep Entry Socket
1993 VIC Northwest Trunk Sewer Portland Water Board (Wanon Water) 2.3km 559 & 660OD Sintapipe
1992 VIC Humffray Street South Aqueduct Ballarat Water Board (Central Highlands Water) 0.2km 914OD RRJ
1992 WA Ocean Reef Outfall Water Authority of Western Australia (Water Corporation) 2.5km 1420OD Sintakote MSCL
1992 NSW Penshurst Main Renovation Water Board Sydney Southern Region 1.2km 676OD Sintakote MSCL
1991 QLD Southern Isis Irrigation Scheme Water Resources Commission 2.3km 960 & 1125OD Sintakote MSCL
1991 QLD Stanwell Water Supply Water Resources Commission 28km 900OD Sintajoint RRJ and Sintakote MSCL
1991 QLD Stradebroke Island Redlands Shire 32km 610 & 813 RRJ & SSJ
1991 WA Victoria-Bickley Dam Water Authority of Western Australia (Water Corporation) 6.1km 1220OD Sintakote MSCL
1990 WA Argyle Diamond Mine Upgrade Argyle Diamond Mines Pty Ltd 13.4km 508OD Sintajoint RRJ
1990 WA Harris Dam Project Water Authority of Western Australia (Water Corporation) 9.4km 914OD Sintajoint RRJ
1990 NSW Lake Macquarie Sewerage Scheme (Toronto to Belmont) Public Works Department NSW & Hunter Water Board 3.3km 965OD Sintakote MSCL Pipeline
1990 NSW Lucas Heights Reservoir Outlet Main Sydney Water 2.2km 660 RRJ
1989 TAS Kingston Pipe Duplication Hobart Regional Water Board (TasWater) 4.8km 640OD Sintakote Welded Joints
1988 QLD Awoonga Callide Pipeline SunWater 54km 700 RRJ (CP)

Export Pipeline Projects

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Year Country Project Principal Length Outside Diameter & Joints
2015 New Zealand Ashburton Lyndhurst Irrigation Scheme Ashburton Group / WIG 14km 1145 & 1283 RRJ
2010 UAE Al Ain Water Transmission Scheme Transco, Abu Dhabi 19km 1016, 1219 & 1626 BSJ
2006 New Zealand North Otago Irrigation Scheme Stage 1 North Otago Irrigation 10km 960 & 1145 RRJ
2005 UAE Al Ain Desalination Transfer Pipeline Abu Dhabi Water 152km 813 RRJ
2004 New Zealand Southern Valley Irrigation Scheme Marlborough District Council 3km 960 RRJ
2003 Singapore NEWater Recycled Water Pipeline NEWater Singapore 30km 813 & 914 RRJ
1995 Fiji Nagado Pipeline Amplification Project Public Works Department (Fiji) 0.84km 889OD Sintajoint RRJ