This is an introduction to Redi-Rock retaining systems which are now being supplied in NZ for land development and infrastructure applications. David Hepburn of Duracrete Products will provide an introduction to the suite of design resources and free software analysis for geotech engineers. Some case studies of local and recent projects in NZ will be featured. The challenges of the applications and the variety of solutions for them will be highlighted. Feedback from clients, contractors and geotech engineers who have used it will shared.