Peter has co-authored more than 100 technical papers and was principal author of 2 chapters of the Australian national flood guideline; Australian Rainfall and Runoff. He was on the Working Groups for the revisions of the ANCOLD Guidelines on Consequences Categories for Dams and also the Guidelines on Risk Assessment. He is the Convenor for the ANCOLD Acceptable Flood Capacity Guidelines and is ANCOLD’s representative on the ICOLD Committee for Flood Evaluation and Dam Safety.