Williams Drainage and Civil Limited

Our mission is to deliver high quality drainage to our clients with service levels that are second to none.

Our Company

What We Do

Williams Drainage and Civil is a Māori privately owned business based in South Auckland. We live and breathe drainage, priding ourselves on being the best in the industry! We specialise in large scale drainage and civil projects. With over 20 years experience in the civil industry we have extensive knowledge with a wide range of expertise amongst our staff, ready to tackle your project.

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Professional

Efficiency

Quality

Reliability

Our Services

Civil Drainage We specialise in this field. Whether you would like to subdivide your residential property into two or three lots, or develop your land into a large scale subdivision, we have the team to cater to all your drainage needs.View More

We specialise in this field. Whether you would like to subdivide your residential property into two or three lots, or develop your land into a large scale subdivision, we have the team to cater to all your drainage needs.

Earthworks We recognise that earthworks is the foundation for your project. We stand ready as your trusted team to start the solid groundworks for your projects building success. Our team are experienced in excavating and moving large quantities of dirt or rock to contour and shape your land to the desired finish.View More

We recognise that earthworks is the foundation for your project. We stand ready as your trusted team to start the solid groundworks for your projects building success. Our team are experienced in excavating and moving large quantities of dirt or rock to contour and shape your land to the desired finish.

Confined Space We have staff trained and certified for confined space entry and live wastewater projects. We are a Veolia approved contractor and have all the gear required to undertake this work in a safe and professional manner.View More

We have staff trained and certified for confined space entry and live wastewater projects. We are a Veolia approved contractor and have all the gear required to undertake this work in a safe and professional manner.

Residential Drainage From small to large scale residential drainage, we are a one stop shop. We supply, install, and comply to a high standard to take care of all your drainage needs.View More

From small to large scale residential drainage, we are a one stop shop. We supply, install, and comply to a high standard to take care of all your drainage needs.

Our Certifications

2021 - 2023

Waiuku Project:

Fernleigh Trunk Sewer.

This project had some challenges, which involved a live cut in to existing pump station with a high sewage flow rate, and high tides to work around.

This meant extensive dewatering, confined space entries, and deep shoring. The gravity feed line was laid on a minimal grade, which extended for 3km through the main road into Waiuku, with a range of existing services to work around. We were restricted by the hours in which we could work due to the residential location, and traffic management restrictions. All material that was removed to allow installation of the pipe had to be replaced with a certified, compacted aggregate.

Despite these challenges, we were able to meet deadlines, watercare standards, grade and invert levels were achieved.

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Past Projects

Waiuku Project

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Te Awa Lakes

Our expertise and teamwork was the key to success in these challenging conditions. The water was flowing in as fast as we could dig out. Our team was put to the test with controlling the water and keeping us safe. We used trench shields, dewatering systems and a second digger to backfill as we go to prevent pipes moving and/or floating. Planning and preparing was crucial here in completing this project to the highest standards.

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Paerata Rise.

We have completed an extensive amount of work, ranging from pump station upgrades, building rain gardens, Wastewater and storm water reticulation, and large wastewater transmission lines. Pipe work ranging from 100mm PVC, through to 1200 diameter concrete pipe with depths up to six metres deep. Our team has enjoyed working on this project as we have had the satisfaction of seeing a dairy farm transform into a flourishing community.

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