New Zealand map Davis Ogilvie – Engineering, Surveying and Planning

Our people

Mark Sellars

Mark Sellars

Senior Engineering Geologist
Post Graduate Diploma (Distinction) Engineering Geology, 2014
BSc Geology, 2013
BCom Operations Management 2004

Davis Ogilvie & Partners Ltd
PO Box 589, Christchurch 8140
Phone : 027 416 7862
Email :

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Mark joined DO in 2014 and has been involved in a variety of geotechnical projects including both residential and large commercial developments. Mark’s areas of expertise includes site investigation planning and management, ground model development and site characterisation, geotechnical hazard assessments, geomorphological mapping, liquefaction and lateral spreading assessments, construction supervision and site monitoring.

Mark has experience in desk study, site investigation, analysis, design and meet the requirements of the Ministry of Business, Innovation & Employment (MBIE, 2012) guidelines for Christchurch, and the NZS 3604:2011 site testing requirements. Mark has prepared and undertaken site investigations for domestic and commercial properties and subdivisions in TC1, TC2, TC3 around Christchurch and unclassified areas further afield in Canterbury, the West Coast and Nelson.

More recently Mark has specialised in large scale land development, working on the full life cycle of projects from initial geotechnical investigation for subdivision consent, investigations for infrastructure design (sewer pump stations, three waters, pavement design etc) earthworks construction monitoring, geotechnical completion reports, individual lot reports right through to ultimately subgrade inspections for individual builds.

Interests outside of work

Mark is a keen mountain biker and you can usually find him smashing laps at the Christchurch Adventure Park. When he’s not working or biking, Mark enjoys spending time with his family, gardening and sipping on single malt whiskey.

Significant projects

North Canterbury
Silverstream Estates
Flemington Subdivision
Waterloo Business Park
Oakbridge Subdivision
Private: Silverstream East