Land Development

Project North Wharf, Auckland

ASB Building
Geotechnical investigation for a $250,000,000 development site on the edge of a 1920s Auckland coastal reclamation area known as the Western Reclamation.  This brownfield site, underlain by up to 6m of reclamation fill, was developed as one of Auckland’s urban regeneration projects.

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Summerset Retirement Village, Ellerslie

Ellerslie Retirement Village
Pre-purchase due diligence environmental and geotechnical investigations, and civil assessment and design for a high-density retirement complex consisting of villas, townhouses, apartments, and a care facility, plus associated structures.  The 3.9ha brownfield site in Ellerslie, Auckland, has previously been used as a quarry, a zoo, and a St John training centre.  The site is underlain by up to 20m depth of basalt lava with a variable surface cover of fill, lava caves, and scoriacous pockets, all of which have the potential to complicate founding requirements.  Subsequent to purchase, work has involved further geotechnical investigation, resource consenting, building consent applications, detailed design, contract management, and construction supervision.  The development includes a major retaining wall structure 250m long and up to 5.7m high, for which RILEY undertook the geotechnical aspects of the design.  The project is due for completion in 2019.

Multi-storey Car Park and Commercial Tenancy

FredThomas crop
Engineering assessment of a closed refuse landfill to identify and address environmental geotechnical, and civil issues for a four-storey car park building incorporating a ground floor commercial tenancy.  The staged detailed site-specific investigation and gas risk assessment supplemented a desktop assessment and provided factual and interpretative environmental, geotechnical, and civil information for the design, construction, and operation of the proposed development to support resource consent, building consent, and various engineering approvals. 

Bus Depot, Mount Roskill

Bus Wash crop
Development of a satellite bus depot within the KiwiRail easement adjacent to SH20 and within areas of historical non-certified fill.  The site contains office amenities, staff car parking, and 45 bus parks.  Geotechnical investigations identified highly variable subsurface conditions, including basalt cobbles, silt, building rubble, and organic debris.  Civil engineering aspects involved a detailed earthworks assessment to improve site contours and satisfy layout requirements; construction of reticulation including stormwater, wastewater, water supply, telecommunications, and power; and soft pavement design.  Observations during construction were undertaken for founding conditions, a bus store platform, and underlying fill compaction.

Victoria Park Apartments

VictoriaPark crop
Project management of an environmental site investigation including groundwater monitoring, soil and groundwater contamination assessments, preparation of documentation and Remediation Action Plan for resource consent and providing ongoing environmental technical input and support.


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