Soil and Rock Logging, Classification, and Presentation Manual
Download the current version of the manual:
Download current Caltrans SPT Hammer Energy Ratios (ERi)
Download the current version of the manual:
- Soil and Rock Logging, Classification, and Presentation Manual (June 2007), Errata_Sheet and Quick Reference Sheet
Procedural Documents:
- Policy Memo for Usage (July 1, 2007)
- Exception Process (June 15, 2007)
- Request for Exception Form (June 15, 2007)
- Quality Control/Quality Assurance (July 1, 2007)
- Quality Checklist and Signature Form (July 1, 2007)
- Committee Charter and Standard Procedures (June 2007)
LOTB Legend and Border Sheets:
- Download LOTB legends and Border sheet (.pdf)
- Download LOTB soil legend sheet 1 of 2 (.dgn)
- Download LOTB soil legend sheet 2 of 2 (.dgn)
- Download LOTB rock legend sheet (.dgn)
- Download LOTB border sheet (.dgn)
Staff shall post requests for modifications on the Caltrans Geotechnical Services Discussion
Board, Soil & Rock Logging, Classification and Presentation Manual Category located at:
http://cap1.dot.ca.gov/forum/GeotechnicalServices/index.php
The request for modification shall include at least the following information:
- Name of requestor
- Office
- Manual Section Number
- Description of Proposed Change
- Discussion of Reason or Need for the Proposed Change
- If applicable, reference to an approved Request for Exception relating to the Proposed Change
External partners may propose modifications by contacting Tom Whitman, Committee Chair, at (510) 286-4848.
Download current Caltrans SPT Hammer Energy Ratios (ERi)
- April 2008 - SPT Hammer efficiencies
- - Reference SPT hammer efficiency reports
For users of gINT version 8 or higher, the library and template files based upon the current Soil and Rock Logging, Classification, and Presentation Manual can be downloaded here.