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U.SDepartment o f Transportation Federal Highway Admhistration...

Publication No. FHWA SA-93-057 November 1993...

NHI Course No. 130220...

Rockfall Hazard Rating System...

Participant's Manual...

National Highway Institute...

InnovationThrough Partne hips...

NOTICE This document is disseminated under the sponsorship of the Department of Transportation in the interest of information exchange. This publication does not constitute a standard, specification, or regulation. The United Slates Government does not endorse products or manufacturers. Trademarks or manufacturers' names appear herein only because they are considered essential to the object of this document....

Technical Report Documentation Page 1. Report No. FHWA-SA-93-057 4. Title and Subtitle Rockfall Hazard Rating System - Participants' Manual 2. Government Accession No. 3. Recipient's Catalog No....

5. Report Date...

August, 1993 6. Performing Organization Code 8. Performing Organization Report No....

7. Author(s) Lawrence A. Pierson, C.E.G. Robert Van Vickle, R.P.G. 9. Performing Organization Name and Address SNI International Resources, Inc. 4041 North Central Avenue Phoenix, AZ 85012...

10. Work Unit No. (TRAIS)...

11. Contract or Grant No....

L y p n s o Z A g e n c y y a m e and Address FHWA Office of Technology Applications 400 Seventh Street, SW Washington, DC 20590 15. Supplementary Notes FHWA Project Manager Chien-Tan Chang FHWA Technical Contact Barry Siel NHI Contact Larry Jones...

13. Type of Report and Period Covered Final Report, 1992 - 1993 14. Sponsoring Agency Code...

1 16. Abstract...

Development of the Rockfall Hazard Rating System (RHRS) is complete. The system has been fully tested and implemented by the Oregon Department of Transportation. The RHRS is a process used in the management of rockfall sites adjacent to highways. The system is proactive by design, providing a rational way to make informed decisions on where and how to spend construction funds in order to reduce the risks associated with rockfall. This Participant's Manual documents the components of the RHRS, the steps an agency should follow to implement the system, and discusses the level of commitment required. The benefits of implementation and the limitations of the system are also described. The manual serves as both a field guide and as a desk top reference for those who perform the slope ratings and those who use the resulting database in establishing rockfall remediation designs and construction priorities....

17. Key Wo...

Document Keywords

Rockfall Hazard Rating System Participant Manual resources 1993 lap rockfall hazard rating system

About CORNFORTH CONSULTANTS, INC.

Cornforth Consultants, Inc., is a Portland, Oregon based geotechnical engineering firm specializing in geotechnical engineering, dams, seismic studies, landslides, rock mechanics and complex geotechnical...

Contact

5034521100

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