Gavin Harris – Principal, Registered Professional Surveyor
  Andrew Holroyd – Chartered Professional Engineer
  David Erb – Survey Technician
  Manwell Haumu – Autocad Draughtsman, GPS Operator
  Pam Froger – Office Administration
Land Surveying/Resource Consents
Gavin Harris – Principal, Registered Professional Surveyor

Bachelor of Surveying Degree – Otago University 1989
Registered as a Surveyor 1993
Accredited L.I.N.Z Surveyor
Member of N.Z Consulting Surveyors and N.Z Institute of Surveyors.

Gavin has been a principal of Barr and Harris Surveyors Ltd since 1994. He is responsible for the overall management for the business and is the first contact for the majority of project enquiries.

Gavin joined Murray North Ltd in 1989 as a Graduate Surveyor. Appointed head of the Murray North Ltd Hamilton Survey department in 1991. Subsequently became head of survey for Bloxam Burnett and Olliver between 1992 and 1994. From 1994 until the present has been a Principal of Barr and Harris Surveyors Ltd. Experience includes preparation of resource consent applications, preparation for and presentation at planning hearings since the introduction of the Resource Management Act 1991. Twenty years experience in all aspects of land development resource consent planning and legal survey work including “limited parcels”, Maori land, survey office plans, unit title and standard “L.T” surveys. Assessed in highest ranking for experience and legal dataset preparation in the latest Land Information N.Z processing system ratings.

Gavin has been responsible for Resource Managements Act land-use consent planning projects including residential subdivision, lifestyle villages, industrial projects, quarries, re-zoning proposals and Maori land development projects.
Land Development Engineering
Andrew Holroyd – Chartered Professional Engineer

Bachelor of Science (Hons) Civil Engineering U.K.
Member of Institute of Professional Engineers (N.Z)
Chartered Professional Engineer (N.Z).

Andrew leads the majority of land development engineering projects. He has a wide range of knowledge and experience in land development civil engineering matters and extensive experience in construction contract administration and management.

Andrew was born in England and began his career as a site Engineer. Between 1989 and 2000 Andrew was involved in Project Management, Engineering design and Construction supervision of large retail and commercial projects including steel and concrete framed buildings on large brown and greenfields sites.

In 1997 Andrew first worked in N.Z carrying out site engineering requirements at the Kinleith Mill site. In 2000 Andrew began employment for Barr and Harris Surveyors Ltd completing various Engineering design, contract supervision and survey projects. Between 2003 – 2004 Andrew worked with a Tauranga Consultant to allow him to obtain his N.Z professional engineering qualification. From 2005 Andrew has returned to Barr and Harris Surveyors Ltd where he has been responsible for engineering projects of between 10 and 150 lots on sites up to 40 hectares, including design of engineering works and earthworks, contract preparation and management, and coordination of staff on the engineering projects. He has been closely involved in Environment Waikato Stormwater and Sediment Policy development workshops, and has completed a range of projects involving retention and management of stormwater above and below ground. Andrew has been responsible for preparation of management plans and resource consent applications to Environment Waikato and Environment Bay of Plenty for stormwater and discharge consent.
Field Survey
David Erb – Survey Technician

David is responsible for the allocation and organisation of our field survey resources. He assesses the requirements and identifies the most efficient method of achieving desired results. This can include GPS real time or post process survey, total station survey, spatial information digitising from aerial photography or other database sources.

David began work in 1989 at the South Waikato District Council as a trainee engineer and surveyor. He completed his Technician training during this time and completed engineering and legal survey requirements for the Council. David was made responsible for all aspects of survey, plan and contract preparation for tendering for the South Waikato District Council services and road construction and maintenance contracts. From 1999 to 2001 David was the Survey and Contract Manager for Excel at Tirau. From 2002 to the present he has had further specialised surveying training and completed a range of engineering, topographical and land transfer surveys including Unit titles, fee simple subdivision, cross leases, limited parcel surveys and redefinitions. David has particular expertise in set out and topographical surveys including the manipulation of data between the various survey software packages including SDR MAP, 12D Software and Autocad.
Manwell Haumu – Autocad Draughtsman, GPS Operator

Manwell is the contact for Autocad draughting matters including drawing files and file conversion.

Manwell is involved in the majority of our topography surveys completed by GPS. Manwell is experienced in integrating the GPS field data, aerial images and boundary information via Autocad and Autocad Civil 3D software.
Office/Processing Enquiries
Pam Froger – Office Administration

Pam Froger is the first point of contact for enquiries. Pam maintains the office job management system and coordinates job inputs. Pam is also responsible for the office account preparation and issue. Pam is the contact for subdivision consent processing matters and is also responsible for compilation of completion certificate requirements for subdivisions.

Land or building development project requirements vary hugely dependent on a wide range of factors. At Barr and Harris Surveyors Ltd we are happy to give initial advice and provide an outline of likely requirements and costs for your specific project free of charge.


At Barr and Harris Surveyors we are devoted to providing our clients with a professional product. Our aim is to truly serve our clients interests.

Our services include:

  Land Development
  Resource Management Planning
  Land Surveying
  Civil Engineering

  Affiliated Organisations
  District Councils
  Regional Councils
  Subdivision Process Chart