HEC-RPT Release Notes Current: Documentation PDF Download PDF Download page Documentation. Current page All pages Documentation New content was added to the HEC-RPT User’s Manual to detail system types and the new Choose Systems and States predefined plot option.The RPT demo project was expanded to include new systems that use system types for “Elevation” and for “Temperature”.Additional documentation related to RPT and its application was cited in the User’s Manual, including two journal papers and ten project reports. ×