Providing Engineering and Construction Management Services in the Civil Engineering and Surfacing Industries in the UK and overseas.. Olivax Engineering has over 15 years experience managing a range of projects including highways, airfields, marine works, deep drainage, groundwork's, structural, utilities and infrastructure works. From procurement through to final completion Olivax Engineering ltd provides a dedicated first class service to our clients. With using our field surveying equipment and N4ce software we are able to provide our clients with topographical land survey DWGs in Auto Cad form