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FROM EARLY IDEAS THROUGH TO DELIVERY

RISEN works across civil engineering, land development, wastewater, stormwater, surveying and infrastructure projects.

Our work is practical and site focused. We investigate the problem, understand the constraints and develop solutions that are clear, buildable and appropriate for the project.

 Client names and identifying details are omitted where appropriate.

FEATURED PROJECTS

Subdivision Design & Infrastructure Planning

Early and detailed civil engineering for a rural residential subdivision, including three waters, access, utilities, stormwater and development constraints.

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Site-Specific Flood Hazard Assessment

LiDAR terrain modelling, catchment analysis and hydraulic assessment used to understand flood risk and establish practical development controls for a rural subdivision.

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Septic to Public Sewer Connection

Survey, civil design and Council approval support for replacing an ageing onsite wastewater system with a new gravity connection to the public sewer network.

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Onsite Wastewater Consent Renewal

Inspection and engineering review of an established onsite wastewater system, including soil assessment, environmental risk, system performance and the complete resource consent renewal.

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MORE PROJECT EXPERIENCE

A broad range of civil engineering work

Not every project needs a full case study. Below is a selection of the wider engineering work and project experience behind RISEN.

Wastewater Treatment & Performance Reviews

Independent review of existing wastewater systems to understand treatment performance, loading, aeration, disposal and whether targeted improvements can avoid unnecessary replacement.

Catchment Analysis & Culvert Design

Catchment delineation, flood flow assessment and culvert sizing combined with road and drainage design to manage runoff from rural catchments.

Stormwater & Overland Flow Assessments

Terrain analysis, site levels and drainage review used to understand where water flows, where it may pond and how development can work around existing drainage paths.

Residential Site Development

Civil engineering input for building platforms, earthworks, access, drainage, servicing and coordination with wider development requirements.

Roading & Vehicle Access

Road geometry, access design, culverts, roadside drainage and practical improvements for rural and residential sites.

Structural Condition & Repair Assessments

Inspection and technical assessment of existing structures, including deterioration, cracking or localised damage, followed by practical repair and maintenance recommendations.

Retaining & Site Support Works

Engineering input around retaining structures, site levels, earthworks, drainage and access for constrained development sites.

Surveying & 3D Modelling

Topographical survey, RTK drone capture and three dimensional modelling used to understand terrain, calculate volumes and support civil design.

Drone Inspections

High resolution aerial inspections used to safely capture difficult to access areas and provide clear visual records for engineering assessment and maintenance planning.

Earthworks & Volume Assessments

Survey and digital terrain modelling used to calculate cut and fill, stockpile volumes and support contractor pricing and construction planning.

Engineering Investigations & Options Assessments

Turning an uncertain engineering problem into clear options by combining site investigation, existing information, technical assessment, cost and constructability.

Construction Monitoring

Site inspections, contractor coordination and review of construction information to help make sure civil works are completed in accordance with the agreed design.

Project Management & Delivery

Engineering projects taken from initial investigation and scope development through design, pricing, contractor engagement, construction and handover.

onsite wastewater system to drip line irrigation in Marlborough. Required a resource consent discharge permit
A secondary onsite wastewater treatment system was designed for challenging soil and site conditions, using dripline irrigation, sloping land application and landscaped planting to provide a practical, low-maintenance solution that works with the site.
drone survey marlborough to check volumes
RTK enabled drone surveying provided fast, accurate spoil volume calculations, giving the client confidence in quantities, pricing and removal planning.
Catchment analysis in marlborough for stormwater culvert design
Culvert and road design for stormwater runoff in marlborough
RISEN combines catchment analysis, hydraulic assessment and 3D modelling to design practical stormwater and roading solutions, building on previous engineering experience for NZTA, including the Kaikōura SH1 rebuild and upgrade, and across Marlborough’s road network.

© RISEN Consulting 2026

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