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Civil Engineering Services

Professional civil engineering services throughout Northland including drainage system design, floodplain analysis, site grading, erosion control, SWPPP, and water resources engineering. Serving Kerikeri, Paihia, Dargaville, and the Far North District.

Civil Engineering Expertise

Gumboots Consulting Engineers delivers comprehensive civil engineering services throughout Northland, including Far North District, Kaipara District, and Whangarei. Our civil engineering work spans drainage system design, hydrology and hydraulic analysis, floodplain assessment, site grading, and water resources engineering — all tailored to the region's unique terrain and climate.

We work across residential, rural, and commercial projects, providing engineered civil solutions from initial feasibility through to detailed design and consent support. Our team understands the requirements of Northland Regional Council, Far North District Council, and Kaipara District Council, ensuring designs meet local compliance requirements.

Whether you need a drainage system for a new subdivision, a floodplain analysis for resource consent, or a stormwater pollution prevention plan for a construction site, Gumboots Consulting Engineers provides practical, cost-effective civil engineering solutions.

Our Civil Engineering Services

Civil engineering solutions for Northland's residential, rural, and commercial projects

Drainage System Design

Design of surface and subsurface drainage systems and storm sewer networks to manage stormwater runoff from developments and infrastructure.

  • Storm sewer pipe network design
  • Surface drainage and swales
  • Drainage calculations and reports
  • Design drawings for consent

Floodplain Analysis & Flood Control

Assessment of flood hazards, floodplain mapping, detention pond design, and flood control solutions to protect property and meet council requirements.

  • Flood level determination
  • Floodplain mapping and analysis
  • Detention pond design
  • Flood control and mitigation measures

Site Grading & Drainage Design

Detailed site grading and earthwork design to ensure proper drainage, comply with council requirements, and prepare sites for construction.

  • Cut and fill calculations
  • Contour grading plans
  • Earthwork design and volumes
  • Finished level and drainage gradients

Erosion Control & SWPPP

Design of erosion and sediment control measures and preparation of Stormwater Pollution Prevention Plans (SWPPP) for construction sites and earthworks.

  • Erosion control plan design
  • SWPPP preparation
  • Sediment retention devices
  • Site stabilization measures

Hydrology & Hydraulic Analysis

Hydrological and hydraulic analysis of catchments and water systems to inform design decisions, consent applications, and flood risk assessments.

  • Rainfall frequency analysis
  • Runoff modelling and calculations
  • Hydraulic capacity analysis
  • Catchment assessment reports

Low Impact Development Design

Sustainable civil engineering design that minimises the environmental footprint of development through water-sensitive and low impact approaches.

  • Rainwater harvesting systems
  • Bioretention and rain gardens
  • Permeable paving design
  • Sustainable drainage systems

Far North Projects

A selection of recent civil and geotechnical engineering work across Kerikeri, Paihia, and the Far North.

Get Civil Engineering Support

Contact our civil engineering team to discuss your project requirements. We provide drainage design, floodplain analysis, site grading, and water resources engineering throughout Northland, including Kerikeri, Paihia, Dargaville, and Far North District.

Ready to discuss your civil engineering project?

020 4 GUMMYS Email Us