Projects

 

Sewerage Schemes | Pump Stations | Other Projects


NQ Excavations Pty Ltd has successfully completed numerous projects, mostly in Australia, but also overseas.  Below is a list of some of the projects that NQ Excavations Pty Ltd has worked on.  Major or interesting project examples can be viewed by selecting the job number on the left hand menu. A downloadable PDF version is given here.

 

Sewerage Schemes

Job No

Project Name

Project Description

Client

Year

 342

North Hughenden Sewerage Scheme

3.5km x 150mm gravity sewer, 2km x various size rising mains, 20 sewer manholes, 45 ezipits, 5 FRP sewerage pump stations, 8 low pressure pump stations, house drainage to 80 houses and associated works.

Flinders Shire Council

2013/14

 125

Badu Island Sewerage Scheme, Torres Strait

3 sewerage pump stations, 9650m of gravity sewer, 11245m of rising sewer main, sewerage treatment plant, settling ponds and ocean outfall.

Island Coordination Council

2004

 069

Richmond Sewerage Scheme

5 concrete sewerage pump stations, 6435m of gravity sewer, 1187m of rising sewer main, 173 sewer manholes, and 5870m of house drainage.

Flinders Shire Council

2000

 

Pump Stations

Job No

Project Name

Project Description

Client

Year

386 Alma Bay Public Toilets, Pump Station & Rising Main Supply and construction of a sewage pump station, including electrical switchboard, pumps and internal pipework. Supply and construction of an overflow headwall and connecting pipework. Supply and construction of a DN50 PE sewer pressure main over a length of 600m, including the connection to the existing maintenance hole. Townsville City Council 2017
379 Harris Crossing – Pump Station BP11 Sewer & Rising Main Supply and construction of a sewage Pump Station BP11, including electrical switchboard, pumps, electromagnetic flow meter, access road and internal pipework. Supply and construction of a DN225 gravity main. Supply and construction of a DN180 PN16 PE100 sewer pressure main over a length of 660m.The works also include the boring / micro tunnelling under the Townsville Ring Road; and supply, installation and commissioning of a backup diesel generator. Maidment Land Pty Ltd 2017
376 Alfred Street Pump Station PS 9P Removal of the existing house at 56 Alfred Street, Aitkenvale, followed by supply and installation of an FRP sewage pump station at the site. 525m x DN160 rising main including connection to the existing asbestos cement (AC) pressure main. 270m x DN280 gravity sewer using micro-tunnelling technology and 10m x DN300 gravity sewer via open excavation. Townsville City Council 2016/17
369 Hugh Street Development Pump Station A8C FRP replacement sewerage pump station A8C including electrical switchboard, pumps, backup diesel generator, access road and internal pipework and environmental overflow. Construction of a DN150 and DN250 sewer rising main and a DN225 gravity sewer line with manholes, and the de-commissioning of the old A8C pump station.. Sydney Investment Holdings 2016
364 Pump Station LA16A Decommission and Supply & Construction of DN150 Gravity Sewer Installation of approximately 80m of DN150 gravity sewer by micro tunnelling, and construction of a new maintenance hole; followed by the decommissioning of the existing pump station LA16A. Townsville City Council 2015
356 Replacement of North Shore Sewage Pump Station PS BU03 Sewerage pump station  - 3.75m diameter x 7.63m deep FRP sewerage pump station; including electrical switchboard , pumps, backup diesel generator, access road and internal pipework; with an actuated control valve on the existing environmental overflow line. 5.5m x DN450 dual gravity sewer lines. Decommissioning of the existing pump station and conversion into a zero manhole. Stockland Development Pty Limited 2014
350 Construction of Fairways Sewerage Pump Station PS24 & Associated Works Sewerage pump station – 2.1m diameter x 8.3m deep FRP sewerage pump station with 225mm overflow line and concrete screening chamber, 11m x 225mm gravity sewer, 96m x 100mm rising main, 1 sewer manhole, and an asphalt access road. Ingenta Pty Ltd 2014
349 Lotus Glen Pump Station Upgrade Sewerage pump station – 3.75m diameter x 9.03m deep FRP sewerage pump station; including new pumps, switchboard, generator and electrically actuated valve and chamber on overflow line. Existing pump station was converted to a zero manhole. Townsville City Council 2014

346

Cosgrove Sewerage Pump Station L17 & Associated Works

Sewerage pump station - 2.0m diameter x 7.96m deep FRP sewerage pump station with 9.4m x 300mm overflow line and concrete screening chamber, 65.8m x 150mm gravity sewer, 29.7m x 225mm gravity sewer, 5m x 300mm gravity sewer, 54m x 180mm rising main, 4 sewer manholes, and an asphalt access road.

Parkside Development Pty Ltd

2013/14

337

North Shore - PS BU04, Rising Main And Trunk Sewer Extension

Sewerage pump station - 2.0m diameter x 7.44m deep FRP sewerage pump station with 10m x 225mm overflow line and concrete screening chamber, 37.6m x 225mm gravity sewer, 259m x 300mm gravity sewer, 558m x 150mm rising main, 5 sewer manholes, and an asphalt access road.

Stockland Development Pty Limited

2013

309

RAAF Base Townsville 2 x Sewerage Pump Stations

1 x 2.1m diameter x 4.8m deep FRP sewerage pump station and 1 x 1.5m diameter x 2.2m deep FRP sewerage pump station. These sewerage pump stations were installed to replace 2 existing concrete sewerage pump stations that had surface cracks in the concrete walls and concrete cancer. The FRP sewerage pump stations were supplied by others.

Professional Pump Services & Irrigation

2012

304

Urban Land Development Authority Townsville Stage 1

3m diameter x 6.5m deep FRP sewerage pump station and a separate FRP valve pit. The FRP sewerage pump station and the FRP valve pit where supplied by the client.

Shadforths Civil Contractors

2011/12

301

Sewerage Pump Station BU05 and Rising Main, North Shore Development

2.0m diameter x 7.6m deep FRP sewerage pump station with 320m x 150mm rising sewer main and 942m of gravity sewer ranging in size from 150mm to 450mm with 8 sewer manholes.

Stockland Development Pty Limited

2011/12

291

Supply & Construction Of Central Sewerage Pump Station PS21, Rising Main, DN300 Sewer & DN600 Water Main

Sewerage pump station - 2.5 m diameter x 7.8m deep FRP sewerage pump station with 628m x 375mm rising sewer main, 142m x 250mm rising sewer main, 436m of gravity sewer ranging in size from 150mm to 375mm, 8 sewer manholes and 147m x 600mm DICL water main.

VHDF Nominee No. 2 Pty Ltd

2011/12

285

Supply and Construction of Observation Rise PS L6B, Rising Main and Associated Work.

Sewerage pump station - 2.0m diameter x 6.57m deep FRP sewerage pump station with 25.5m x 225mm overflow line and concrete screening chamber, 451m x 150mm rising main, 4 sewer manholes, 109.2m x 150mm gravity sewer, 25.2m x 225mm gravity sewer, 3.2m x 300mm gravity sewer, and an asphalt access road.

Urbex Pty Ltd

2011

275

Supply & Construction of Townsville Distribution Precinct Trunk Water & Sewer Infrastructure Works

Sewerage pump station - 2.0m diameter x 7.3m deep FRP sewerage pump station with 5m x 225mm gravity sewer, 16m x 225mm overflow line and concrete screening chamber, 3373m x 110mm rising main, 515m x 200mm water main, and an asphalt access road.

Kiernan Developments Pty Ltd

2012/13

263

Castletown Shopping World Extension

Ground water pump station - 3 x 2.0m diameter x 3.5m deep FRP ground water pump station with 1140m x100 mm agricultural drain.  Sewerage pump station - 1 x 3.0m diameter x 7.0m deep FRP sewerage pump station with 120m x 100mm rising sewer main and 26m of 150mm diameter gravity sewer with 1 sewer manhole

McConaghy Projects Pty Ltd

2010

252

Supply & Construction Of North Shore Sewerage Pump Station ML03 & Beachside Sewerage Pump Station ML20

ML03 is a 2.0 m diameter x 8.1m deep FRP sewerage pump station with 4m x 375mm gravity sewer, 20m x 300mm overflow line and concrete screening chamber, 23m x 200mm rising main and an asphalt access road.  ML20 is a 2.0m diameter x 6.8m deep FRP sewerage pump station with 4m x 225mm gravity sewer, 20m x 225mm overflow line and concrete screening chamber, 1,348m x 150mm rising main and an asphalt access road.

Townsville City Council

2009

247

Shaw Road Sewerage Pump Station BP06

BP06 is a 2.0m diameter x 7.5m deep FRP sewerage pump station with 3m x 225mm gravity sewer , 13m x 225mm overflow line and concrete screening chamber, 25m x 100mm rising main and an asphalt access road.

Townsville City Council

2009/10

244

V8’s Track Sewerage Pump Station

1 x 2.0m diameter x 4.0m deep FRP sewerage pump station with 110m x 100mm rising sewer main and 6m of 150mm diameter gravity sewer with 1 sewer manhole. The storage tank, FRP sewerage pump station and the FRP valve pit where supplied by the client.

Leighton Contractors Pty Ltd

2009

241

Fairfield Waters Ross River Intake Pump Station

2.75m diameter x 4.2m deep FRP salt water pump station installed on the banks of Ross River.

Hansen Constructions N.Q.

2008/09

238

Fairfield Waters Lake 3 Recirculation Pump & Outlet Weir

2.0m diameter x 4.0m deep FRP salt water pump station with 362m x 150mm rising main, 77m x 200mm water main, 112m x electrical conduit, 120m x 450mm fibre reinforced concrete (FRC) pipe, and 3 manholes.  The concrete weir structure incorporated another 100m x 200mm water main, 60m x 525mm FRC pipe and 30m x 600mm FRC pipe.

Hansen Constructions N.Q.

2008/09

233

Construction of Sewerage Reticulation for BM Webb Stage 4

2.0m diameter x 8.5m deep FRP sewerage pump station with 1,899m x gravity sewer ranging in size from 150mm and 225mm, and 33 concrete sewer manholes.

BM Webb Holdings Pty Ltd

2008/09

227

Waterway Gardens Pump Station ML02

3.0m diameter x 8.1m deep FRP sewerage pump station with 6m x 375mm gravity sewer, 35m x 375mm overflow, 2286m x 250mm rising main with an asphalt access road.

Townsville City Council

2008

222

Pump Station 8 Upgrade, Innisfail

2.0m diameter x 6.5m deep FRP sewerage pump station with a standby generator and a shade structure, installed on a foot path in an existing residential area.

Johnstone Shire Council

2007

216

Innes Estate Major Sewerage Pump Station D1

4.5m diameter x 9.5m deep FRP sewerage pump station with a 6.4m x4.2m control building and standby generator; and an asphalt access road.  The existing concrete sewerage pump station was also demolished.

Thuringowa Water

2007

 201

Belvedere Sewerage Pump Station

2.1m diameter x 6.1m deep concrete sewerage pump station, with standby generator, shade structure, and 480m of gravel access road.

Johnstone Shire Council

2006/7

 

Other Projects

WM – Water Main, S – Sewerage, SW – Stormwater, RM – Rising Main,  C – Conduits, CC – Civil Construction

 

Job No

Type

Project Name

Project Description

Client

Year

393

CC

Bluewater Suburb Threshold Signs

Supply and installation of two suburb threshold signs for Bluewater at the northern and southern approaches along the Bruce Highway, including: footings plinth, sign installation, solar lighting systems, irrigation and landscaping.

Townsville City Council

2017

392

CC

Ramp Over Water Supply Pipe At Bluewater

Construction of a pedestrian/cycle ramp over the exiting water supply pipe at Bluewater to improve access for students travelling to Bluewater State School.

Townsville City Council

2017

391

S

Trunk Sewer Diversion – Fairfield Waters

Diversion of the existing 300mm diameter trunk sewer main with a new 375mm diameter uPVC sewer main, so that a new building could be constructed adjacent to the current shopping centre at Fairfield Waters.

Townsville City Council

2017

383

WM

Dommett Street Water Main Replacement

To enable a section of old water main to be made obsolete, 468m of new DN250 water main was needed to direct water from the DN450 DICL trunk water main on Powell Street to the exiting DN250 PVC water main on Dommett Street. The water main crossing of Stuart Drive (opposite the intersection with Dommett St) was flanged DN250 DICL pipe inside a 630OD PE enveloper. The Stuart Drive crossing was constructed through trenchless methods in accordance with DTMR requirements.

Townsville City Council

2017

381

WM

Jensen Development Water Main

Construction of additional 2692m of DN300 PVC water main to connect into the existing offtake from the DN475 and DN600 Mt Spec Pipeline (adjacent to Veales Road) and extend to the intersection of Jensen Road and Texas Road. Part of the work involved upgrading the existing Pressure Reducing Valve (PRV) compound at the offtake. There were two interconnections to the reticulation system.

Townsville City Council

2017

375

WM

Davis Street Water Main Replacement

Replacement of a 100mm A.C water main with 100mm PVC pipe along Davis Street, Titley Lane and Wherry Close, Charters Towers; including reconnection of existing services onto the new main.

Charters Towers Regional Council

2016

371

RM

DN315 Rising Main Redirection For Pump Station W4A

Construction of approximately 430m of DN315 PE rising main for existing sewage pump station PS W4A on Miles Avenue, Kelso; including connections to both PS W4A and the existing maintenance hole 25/C5C on Raffles Court, Kelso.

Townsville City Council

2016

370
&
372
WM Shaw Road Connection Water Main & Sanctum Water Main Extension Separable Portion A: Shaw Road Connection Water Main - Supply and construction of a new connection water main (consisting of OPVC, PE and DICL) at the Shaw Road and Bruce Highway intersection. The water main works included enveloped sections to allow for future DTMR planning and upgrade of the intersection.  Separable Portion B: Sanctum Water Main Extension - Supply and installation of 1,544m DN300 PVC PN16 rubber ring jointed water main along the western side of the Sanctum open stormwater drain and the southern side of the future North Shore Boulevard extension in Mt Low; 199m DN400 PE100 PN16 water main under the Sanctum stormwater drain and adjacent to the deep gravity sewer; and directional drilling, supply and installation of 32m DN300 DICL flanged water main within DN600 RCP Jacking Pipe under Mt Low Parkway. Townsville City Council 2017

368

WM

Church Street Trunk Water Main Replacement

Removal and disposal of the existing DN750 water main. Construction of a new DN600 D.I.C.L pipeline and DN710 polyethylene pipeline.

Townsville City Council

2016

367

WM

Supply & Construction of the Burdell Street Water Main Replacement

New water mains (pipelines) and associated connections to replace existing DN300, DN225 and DN150 cast iron water mains located along Burdell Street and Stuart Drive, Stuart. Supply and construction of DN250 to DN450 water mains, connections and envelopers installed using trenched and trenchless construction techniques.

Townsville City Council

2016

365

RM

Supply & Construction of DN450 Duplicate Rising Main For Pump Station PSBU07

950m x DN450 PE100 PN12.5 rising main; including directional drilling under Saunders Creek.

Townsville City Council

2015

360
&
361
WM Percy Street and Toolakea Beach Road Water Main Replacement Separable Portion A: Percy Street - DN375 PVC and DN375 DICL water main with a total length of 1007.59 metres, partly within an enveloper pipe micro-tunnelled under Ingham Road and the North Coast Railway Line.  Separable Portion B: Toolakea Beach Road - DN250/200 PVC pipe, DN315 PE and DN250 DICL water main with a combined length of 1164 meters, partly within a RCP Class 4 enveloper pipe micro-tunnelled under the North Coast Railway Line and directional drilled under Bluewater Creek. Townsville City Council 2015
357 WM Trunk Water Main - Section 2, The Village Residential Estate, Oonoonba 493m x DN375 PVC water main; including connection to existing DN225 AC water main.  Directional drilling under Queens Road for 28m x 800mm diameter steel pipe enveloper of DN450 DICL water main. Economic Development Queensland 2014

355

S

Replacement of Three Pipe Creek Crossings

The Western Outfall Pressure Main is a DN900 pipe approximately 5.4 km long that delivers wastewater flows to the Cleveland Bay Purification Plant (CBPP). The pipeline section between Oonoonba and the CBPP includes three above ground tidal creek crossings with concrete piers.  These three crossings were replaced with Mild Steel Cement Lined (MSCL) pipe supported by the existing pedestals.

Townsville City Council

2014/15

348

S

Supply & Construction of Southern Suburbs Trunk Gravity Sewer, Stage 2

2.5kms of 450mm trunk sewerage infrastructure, 3-5m deep, with 15 sewer manholes; along with decommissioning of the existing pump station and control building.

Townsville City Council

2014

347

S

Corbett Street DN300 Trunk Sewer Extension

418m x DN300 PVC gravity sewer, 40m x DN300 DICL gravity sewer, with 7 sewer manholes and micro-tunnelling under Woolcock Street and the North Coast Railway Line.

Townsville City Council

2014

344

SW

Mather Street Box Culverts

Reinforced concrete box culverts, 2.4m x 1.2m x 5 cells wide x 75m long, with 1.5m x 14.2m x 2.4m deep concrete pit, concrete headwall and apron slab.

BM Webb Developments P/L

2013

341

WM

Cosgrove DN300 Trunk Water Main

327m x DN300 PVC water main with live tapping to the existing DN450 DICL main on Woolcock Street, 80m x DN200 PVC water main, and 47m x DN150 PVC water main.

Parkside Development Pty Ltd

2013

339

S

Cosgrove DN375 Trunk Sewer Extension & Pump Station Decommissioning

506.9m x 375mm gravity sewer, 177m x 300mm gravity sewer, and 449.5m x 150mm gravity sewer, with 14 sewer manholes and micro-tunnelling under Woolcock Street, Ingham Road and North Coast Railway Line. Decommissioning of existing Clay Street sewerage pump station.

Townsville City Council

2013

336

WM, S, SW, C

Construction of Subdivisional Works For Fairfield Waters, Stage 1.3L

Subdivisional works.

Hansen Constructions N.Q.

2013

333

WM

Willowbank DN375 Trunk Water Main

298m x DN375 DICL Class PN20 water main.

Parkside Development Pty Ltd

2013

331

RM

Sucrogen Kalamia Mill Pressure Sewer Main

1638m x 63OD PE100 PN16 sewer main, including 40m of bored road crossings.

Sucrogen Australia Pty Ltd

2012/13

326

WM, S, SW, C

Willowbank Estate, Stage 18A

Subdivisional works.

Hansen Constructions N.Q.

2012/13

319

WM

Supply & Construction of Sanctum Development DN300 Trunk Water Main

1077m x DN300 PVC water main with 3 fire hydrants.

Platinum Developments (Qld) Pty Ltd

2012

317

WM, S, SW, C

Construction of Subdivisional Works For River Parks Estate, Stage 8A

Subdivisional works.

Hansen Constructions N.Q.

2012

313

SW

Reinforced Concrete Culvert - Edmund Casey Drive Extension, Mackay Harbour

Supply & installation of SLBC culvert, including 380 m3 of general earthworks, with treatment of acid sulphate soils, and erosion and sediment control measures.

North Queensland Bulk Ports Corporation Limited

2012

308

WM, S, SW, C

Greater Ascot, Stage 201

Subdivisional works.

Hansen Constructions N.Q.

2012

306

S, SW

Greater Ascot Precinct 2, Blackmoor Woods Crossing – Culvert & Sewer Reticulation

Installation of 40.8m x 2700 x 2100 crown units of precast reinforced concrete box culverts, 47.8m x 300mm PVC sewer main, and 16.5m x 300mm DICL sewer main.

Hansen Constructions N.Q.

2012

305

WM, S, SW, C

Greenview, Stage 17A

Subdivisional works.

Hansen Constructions N.Q.

2011/12

300

RM

Construction Of A New Relocated Sewage Rising Main For Brandon Main Street Project

580m x rising sewer main.

Department of Transport And Main Roads

2011

299

RM

Western Outfall Pressure Main

Replacement of HOBAS pipe section.

Shadforths Civil Contractors

2011

298

WM, S, SW, C

Construction of Subdivisional Works For Fairfield Waters, Stage 1.3K

Subdivisional works.

Hansen Constructions N.Q.

2011/12

296

WM, RM

Flinders Street Central Redevelopment - Ogden Street Services Realignment

136m x DN375 uPVC PN16 trunk water main and 159.3m x DN300 uPVC PN16 rising sewer main, including cutting into existing services, testing, flushing and geotechnical testing.

Watpac Civil & Mining Pty Ltd

2011

292

WM, S, SW, C

Hogg Street, Deeragun

Subdivisional works.

Sexton Developments Pty Ltd

2011

287

S

Supply & Construction Of Greater Ascot Residential Development Trunk Gravity Sewer & Associated Works

354.9m x 375mm PVC gravity sewer, 218.6m x 300mm PVC gravity sewer, with 11 sewer manholes.

Parkside Development Pty Ltd

2011

286

WM

Supply & Construction Of Svensson Road DN375 Water Main

898m x 375 DICL water main, 26m x 300 DICL water main, including micro-tunnelling under Bruce Highway.

Townsville City Council

2011

282

SW

Stanley Street Culvert & Embankment Works

Rehabilitation of existing road culverts and earth drain.

Townsville City Council

2010

280

RM

Construction Of Eastern Suburbs Sewerage Pressure Main Replacement Stage 2

381m x 813OD MSCL pipeline.

Townsville City Council

2010/11

278

WM, S, SW, C

Fairfield Waters 1.1J

Subdivisional works.

Hansen Constructions N.Q.

2010/11

277

WM, S, SW, C

Liberty Rise Stage 2C

Subdivisional works.

Hansen Constructions N.Q.

2010/11

274

WM,SW

Flinders Mall Redevelopment

Stormwater, water supply and fire main.

Watpac Civil & Mining Pty Ltd

2010

270

S

Supply & Install New Sewer Line - 60 Alfred Street, Aitkenvale

Sewerage reticulation works for 12 studio apartments at 60 Alfred Street Aitkenvale.

Taylor Homes

2010

269

WM, S

Construction Of Subdivision Works, 30-36 Blakey Street, Garbutt

Subdivisional works.

Toprise Australia Pty Ltd

2009

268

WM, S, SW, C

Ocean Breeze Stage 6

Subdivisional works.

Hansen Constructions N.Q.

2009/10

267

WM, S, SW, C

6 Lot Subdivision, 81 - 87 Summerland Drive, Deeragun

Subdivisional works.

Landpac Development Managers Pty Ltd

2010

265

WM, S, SW, C

4 Lot Subdivision, Corner Summerland Drive & Somerton Street, Deeragun

Subdivisional works.

Landpac Projects Pty Ltd

2009

264

WM

Apjohn Street Water Reticulation, Magnetic Island

280m x 100m PVC water main.

Kai Von Mellenthin

2009

262

WM, S, SW, C

Brendale Stage 12

Subdivisional works.

Sexton Developments Pty Ltd

2009/10

260

WM

Fairfield Waters Irrigation Water Main

547m x 150mm PVC water main.

Hansen Constructions N.Q.

2009

257

WM, RM

Port Access Road Stage 2

Relocation of water and sewerage assets for the Eastern Access Corridor section of the Townsville Port Access Road.

Department Of Main Roads

2009/10

253

WM, S, SW, C

Construction Of External Works For Bunnings Site, Fairfield Waters

Subdivisional works.

Hansen Constructions N.Q.

2009/10

246

C

Townsville Grammar School

Cable protection works.

Townsville Grammar School

2009

242

WM, S, SW, C

Stony Moon Villas Internal Works

Subdivisional works.

Sexton Developments Pty Ltd

2009/10

237

WM

Bradman & National Glass Fire Main

540m of 150mm class 18 fire main.

BM Webb Holdings Pty Ltd

2008

235

WM, S, SW, C

Summerville Gardens Stage 11

Subdivisional works.

Sexton Developments Pty Ltd

2008/09

234

WM, S, SW, C

Fairfield Waters 1.3G2

Subdivisional works.

Hansen Constructions N.Q.

2009

231

WM, S, SW, C

Waterview Drive, Bushland Beach

Subdivisional works.

Hansen Constructions N.Q.

2008/09

229

S

Avenues Hotel

Sewer diversion.

Avenues Tavern

2008

226

WM, S, SW, C

Summerville Gardens Stage 10

Subdivisional works.

Sexton Developments Pty Ltd

2008

225

WM, S, SW, C

Summerville Gardens Stage 9

Subdivisional works.

Sexton Developments Pty Ltd

2008

224

WM, S, SW, C

Fairfield Waters Lakeside Drive

Subdivisional works.

Hansen Constructions N.Q.

2008/09

200

S

The Esplanade Sewer, Nelly Bay

Gravity main, 603m DN225mm SN8 PVC pipe.

Water Matters Alliance

2006/7

188 RM, S Arcadia Rising Main and Associated Works, Magnetic Island 150mm rising main in Arcadia Bay that pumps over a hill then gravity feeds into Nelly Bay. Water Matters Alliance

2006

 

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