Bob Sanson Drainlayers Home page
Drainlaying Products and Services
We welcome your questions
Contact Us

Products and Services
  • Drainlaying - Bob and his experienced team provide residential and commercial drainlaying services including septic tanks, effluent fields, Aerated Wastewater Treatment Systems (AWTS), house connections, water tanks and effluent upgrades.
  • Site works and Excavation - services include house site preparation, trenching, cartage of metal, soil and spoil, tank holes and driveways. We have a Bobcat, 6 and 8 tonne diggers with nil swing areas – ideal for confined spaces, driveways, section clearing and trenching.
  • Aerated Wastewater Treatment Systems – We have 15 years experience with this technology, since installing the first biocycle in Northland in 1994.Advice on AWTS, installations, ongoing service and maintenance, irrigation fields.
  • Design ReportsWe can provide a design and report for your effluent system.

Our services are guaranteed by the Master Plumber Guarantee of Excellence...

We also provide Installation and ongoing Technical support and advice for:

  • Septic Tanks
  • Water Tanks
  • Effluent Systems and reports
  • AWTS
  • Drainlaying
  • Site Works
  • House Connections
  • Stormwater



Contact Us
Aerated Wastewater Treatment Systems
  • Bob will visit your site, discuss your plans and provide you with a free quote and friendly, informed advice.
  • We can refer you to many satisfied customers
  • Bob and his team will provide Servicing, Call out, Irrigation fields, Northland wide.

Our services are guaranteed by the Master Plumber Guarantee of Excellence...

Bob and his team of experienced and motivated staff provide you with service and products of the highest quality.

  • All our work comes with the Master Plumber guarantee.
  • We have the manpower to come and get the job done quickly. We don't hold up other subcontractors
  • We can do all the earthworks and drainage required to get your project completed
  • Our staff are trained and specialised
  • We will leave your site clean and tidy
  • We have our own equipment so we don't get held up when it's really busy




Mobile: 027 4747 179
Phone: 09 437 5237
Bob Sanson Drainlayers
R.D.3 Whangarei
New Zealand
Web site design by: Action Web Design

Web site design by: Action Web Design