HNZC Rowses Road Asbestos Management


Housing New Zealand Corporation


Aranui, Christchurch, Canterbury

Project Overview

ENGEO assessed five adjoining residential properties for the presence of asbestos in soil prior to redevelopment by Housing New Zealand Corporation (HNZC). ENGEO completed a detailed site investigation (DSI) to assess the distribution and scale of asbestos contamination. The DSI encountered asbestos fibres and asbestos containing building material within the soil over a significant area of the site.

Engeo's Role

ENGEO & HNZC evaluated all solutions

HNZC and ENGEO completed a remedial options assessment to evaluate all possible solutions to remove or manage the asbestos considering cost effectiveness, remedial practicality and ease of implementation. ENGEO developed a solution to encapsulate the soil contamination within a specifically designed remedial cell on site. The detailed remedial action plan was presented to the City Council. The solution was achieved in equal amount of time with more than $100,000 in savings compared to traditional off-site disposal methods.


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