Services The services which are available from AYZ Landscaping are: Concrete Works - Kerb and Gutter - Hand pour and form - Machinery Lay - Slabs up to 100 square meters - Preparation and laying of footpaths - Driveways Bitumen - Small road and pedestrian patching - Excavation and installation of bitumen - Supply and installation of bitumen for carparks Paving - Preparation of subgrade - Excavation of subbase - Concrete/roadbase preparation Landscaping soft works - Landscape projects from $1,000 to $1,000,000 Retainer Walls - Supply and installation of keystone walls - Engineers certification Irrigation Systems - Supply and installation of irrigation systems: manual and automatic.