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Technical Service Center
Embankment Dams and Geotechnical Engineering Groups

Rock Manual

The Rock Manual provides common technical information on properties of rocks, field and laboratory investigations, and testing of rocks used as foundations and materials for dams, tunnels, canals, and many other types of structures built for Reclamation. The Rock Manual consists of two parts:

Part 1, to be completed, will include chapters on the properties of rocks and general principles as well as stages of rock investigations. 

Part 2, which is this website, provides the rock testing procedures Reclamation currently recommends.  Please download the introduction to Part 2 (pdf) for disclaimers and an explanation of how to use these standards