Stormwater and Drainage Infrastructure Built for Resilience
Waipa Civil designs and constructs drainage systems that protect communities across Waikato and Bay of Plenty. Our team has delivered stormwater and drainage works for expressways, subdivisions and local infrastructure projects.

Why Choose Waipa Civil for Drainage?
Project experience
- Cambridge Bypass – 80% of stormwater drainage (for HEB Construction)
- Rangiriri Bypass – installation of 2.4m manholes and 1050mm pipes up to 4m deep (for Fletcher Construction)
- Longswamp Bypass – over 5km of ITS ducting (for Downer Construction)
- Hamilton Bypass (City Edge Project) – ongoing installation of 21km ITS ducting and utility relocations
Drainage capabilities
- Stormwater drainage and cross-drainage works
- Subsoil drainage, flood control, and irrigation
- Directional drilling and open trenching
- Concrete and PE pipe installation (225mm to 2m diameter)
- Trench shields and safety systems for deep works
Trained and qualified drainlayers
Our drainlayers are trained in current construction practices and legislative requirements. Ongoing in-house training keeps all staff compliant with the latest health and safety standards.
Environmental focus
Waipa Civil is approved by SHE LASS, holds SiteWise Green Status, and is listed as an approved Health and Safety Contractor with Waipa, Waikato, and Hamilton City Councils. Our experience includes environmentally sensitive drainage and dam works such as swale drains and coffer dams.