Camex Civil - Logo
Camex Civil - Logo

3-Waters Infrastructure

What we do

3-Waters Infrastructure

Camex have been specialising in council and commercial drainage since 2008.
We have steadily built up our specialised capacity in 3-Waters infrastructure with a highly competent project management team with an average experience of 23 years in water and drainage projects. Camex are highly regarded as a provider of our services to councils, construction companies and other civil contractors alike.

We specialise at laying all types of pipe including concrete, PVC, Clay, MDPE, HDPE, fibreglass and concrete lined steel. Our specialist team can install using either trenchless methods using directional drilling and open cut trenched methods at depths in excess of 6 metres depth. We are experienced in managing the environmental requirements for deep-cut trenching operations and controlling high water tables by means of de-watering. We have our own Lamella Clarifier units for silt control of the dewatering process.

Camex install a complete range of pump stations to client specific requirements. From small residential allotments to large urban bulk watermains, sewer and stormwater networks, Camex Civil can provide a expert three-waters installation.
Camex Civil - Services - 3 Waters Infrastructure
Camex Civil - Services - 3 Waters Infrastructure

Services Include

  • Asset inspections and scoring
  • Pot holing and investigations
  • Hydro excavations
  • Directional drilling
  • PE Pipe fusion welding
  • CIPP and Nylon Spiral pipe re-lining
  • Fabrication of specialist componentry
  • Over pumping
  • Contaminated waste removal
  • Pump stations

I have been acting as engineer to the contract for a residential development in Hamilton that has been progressing over the last 3 construction seasons.
Overall I have been very impressed with Camex’s performance and am willing to recommend them as a contractor for similar scale development projects. Of the larger contractors that I have dealt with, I tend to find them more relationship oriented and more inclined to work collaboratively to achieve best outcomes for the principal. By and large I have tended to enjoy working with them more than many other contractors I have been involved with.

I struggle to fault them for their health and safety performance. In nearly 3 years on this project they haven’t had any significant incidents of note. This is quite an achievement considering the work has involved some technical challenges including earthworks directly under low powerlines and drainlaying in a live collector road. In each of these cases they have used plant appropriate to the task to minimise risk and followed correct process in terms of notifications and standovers etc. We have also faced the unexpected discovery of asbestos on the site and they have followed correct process right through that journey.

Project Manager
Leading Waikato Land Development Firm
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Recent projects

2020 - WDC - Waipa Watermain Replacements

Upgrade and renewal of the Te Awamutu, Kihikihi and Cambridge waterlines. Various size PE pipe installation including 63mmØ rider main, DN 250, DN 315 principal main across nine different sites.

2020 - ODC - Mountain View Sewer Replacement Otorohanga

Involves replacing 330m of existing DN 100 gravity sewer line with new DN 150 PVC gravity sewer main and associated access chambers, connecting to existing lines.

2020 - WDC - Waipa District Wide Stormwater Renewals

Involves replacement of existing stormwater pipelines, catch-pits, manholes and relining of existing pipeline using spiral wound PVC lining.

2020 - Longlands Retirement Village - Pump Station

3-Waters Infrastructure for 220 Lot retirement village, included Supply and Installation of a 7-meter deep sewer rising main pump station within the Longlands retirement village development.

2019 - 2020 - MPDC - Morrinsville Watermain Replacements

Upgrade and renewal of the Morrinsville waterlines. Various size PE pipe installation including DN 63 rider main, DN 180 principal main across ten different sites.

2019 - Fulton Hogan - Cobham Drive/Wairere Drive Interchange

Stormwater installation (as Sub-Contractor to Fulton Hogan) on the Cobham Dr/Wairere Dr Interchange , Including deep excavations and 50+ manholes up to DN 2550 and 3km of stormwater pipes up to DN 900.

2018 - HEP City Edge Alliance for Waikato Expressway Project

Stormwater installation as Sub-Contractor to City Edge Alliance on part of the Waikato Expressway project. Involves some 12KM+ of up to DIN 1350 deep drain laying.

2019 - WDC - Waipa Watermeter Installations

Involved upgrade and renewal of various water meter connections for both residential and commercial connections across the Waipa network. Significant stakeholder engagement.

2019 - WBOP Te Puke Stormwater Upgrade

Stormwater upgrades in Stewart Street and Queen Street included replacement of existing stormwater pipelines, catch pits and manholes and installation of 60 metres of pipe; sump leads, manholes, catch pits and concrete sumps.

2018 - Ohaupo Bridge

Involved construction of 4M diameter arch culvert. Involved ground improvements – 47 x 13m long piles, capping beams 1m x 1m reinforced concrete with tie-in to culvert structure.

2018 - WDC - Williamson Street 3-Waters

Involved three waters deep drain laying through built up residential street and public reserve. Existing services alignments were significantly different to plans and resulted in a collaborative approach to design.

2018 - Fulton Hogan/ Rangatahi Bridge Crossing

This project required the Installation of all services across a bridge crossing to the Rangitahi Peninsula. This included 8 x DN 150 ducts and a DN 450 PE water pipeline. This project required working at heights, working around other services and working with the harbour tidal flows.

2019 - Transland subdivision Swayne Road Cambridge

Involved pump station construction and commissioning, deep trenching and drain laying, water reticulation and wastewater rising mains. Drainage involved de-watering for trenching up to 4m below the ground water levels.

2016 - Fulton Hogan/ Kahikatea Drive Extension Stormwater

installation (as Sub-Contractor to Fulton Hogan) on the Kahikatea Drive extension project. Included deep excavations and manholes and stormwater pipes up to DIN 1050. All work was at night and reinstated for each morning.

2018 - WDC - Byron Street Upgrade

Involved excavating and removing an existing 306m x 300mm stormwater line and replacing it with a new 375mm stormwater line, along with replacing all manholes, catchpit leads and catchpits. Extensive stakeholder engagement.

2015 - Waikato DC - Tauwhare Sewage Scheme

OWTS onsite pump stations for the Tauwhare community, involving 3km of rising main, installation of Eone Sewer pump stations and connection into existing private drainage at 43 sites, including tank, pump and electrical.
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