Subdivisions Coonara Avenue Civil Works and Services Cherrie Civil Engineering were engaged by Mirvac Projects to undertake a bulk excavation, foundation concrete construction and land sub-division for the construction of over 200 houses and over 250 apartments. Strathfield Golf Course Subdivision Subdivision of 50 lots including all associated services. Sparks Road, Wyong – Stages 5 & 6 28 Lot Subdivision (Third release package of three packages), including house lots and installation of services. Hezlett Road, Kellyville – Subdivision Development of existing residential site for new subdivision. Sparks Road, Wyong – Stages 3 & 4 50 Lot subdivision (Second release package of three packages), including house lots and installation of services. Sparks Road, Wyong – Stages 1 & 2 Remediation and preparation of existing site for subdivision.