Introduction and acknowledgements

Session 1 Welcome and Keynote Addresses

Address by E. Vaughn Stokes, USDA Forest Service
Presentation

Session 2 Worker Safety

Occupational Research Agenda for Northwest Forestlands, Richard A. Fenske, Marcy J. Harrington, Adrienne Hidy
Presentation

1

Helicopter Logging in Alaska - Surveillance and Prevention of Crashes, Jan C. Manwaring
Presentation

9

Tasked-Based Assessment of Occupational Vibration and Noise Exposures in Forestry Workers, Richard Neitzel, Michael Yost

21

Changes in Logging Injury Rates Associated with Use of Feller-bunchers in West Virginia, Jennifer L. Bell
Presentation

28

Prospects for Using Synthetic Rope in Logging: First Look and Future Research, Stephen J. Pilkerton; John J. Garland; John Sessions; and Ben Stringham
Presentation

37

Productivity Improvements through Professional Training in Appalachian Cable Logging Operations, Hylton Haynes, Rien Visser
Presentation

48

Session 3 Resource Management and Habitat Protection

Developing a Decision Support System to Improve Transportation Planning in Landslide Prone Terrain, Michael G. Wing, Elizabeth D. Coulter, John Sessions
Presentation

56

Minimizing Road Construction plus Forwarding Costs under a Maximum Soil Disturbance Constraint, Abdullah E. Akay, John Sessions
Presentation

61

Incorporating Landslide Probability into Operations Planning, Finn Krogstad
Presentation

71

Comparing Erosion Risks from Forest Operations to Wildfire, William J. Elliot, Peter R. Robichaud
Presentation

78

Thinning, Fuel Manipulation and Prescribed Fire in Dry Forest Types, Bob Rich

90

Snip & Skid: Partial Cut Logging to Control Mountain Pine Beetle Infestations in British Columbia, Han-Sup Han, Chad Renzie
Presentation

96

Integrating Spatial Aquatic Habitat Goals Into A Planning Process Considering Harvesting System And Road Management Strategies, Pete Bettinger, John Sessions,
Presentation

105

Session 4 Transportation

Stability Analysis of Timber Cribbed Road Fill on a Steep Slope, Shelley L. Higman, Robert A. Patrick
Presentation

115

Tunneling and Bridging to Success: Innovative Forest Road Design and Construction in Rugged Terrain on British Columbia's West Coast, J. Walter Cowlard, Frank W. Baumann
Presentation

128

Evaluation of Stump Strength for Temporary Forest Road Design, Séamus P.S. Parker
Presentation

136

Basic Geosynthetics: A Guide to Best Practices in Forest Engineering, Jonathan Fannin

145

Extending Hauling Operations on Thawing Roads by Using Road-Friendly Technologies, Colin Blair
Presentation

152

Using Reduced Tire Pressure for Improved Gradeability - A Proof of Concept Trial, Brian Bulley, Colin Blair
Presentation

162

The Current State Of Engineering Geology, Slope Stability and Harvest Unit Plans, Jeffrey R. Laird
Presentation

168

Session 5 Operations Planning and Analysis

PEGGER & ROADVIEW - A New GIS Tool To Assist Engineers In Operations Planning, Luke Rogers, Peter Schiess
Presentation

177

The FAO Programme on Forest Harvesting, Engineering and Environment, Rudolf Heinrich
Presentation

183

PLANEX: A System to Identify Landing Locations and Access, Rafael Epstein, Andrés Weintraub, John Sessions, Bren Sessions, Pedro Sapunar, Enrique Nieto, Fernando Bustamante, Hugo Musante,
Presentation

190

NETWORK 2001 - Transportation Planning Under Multiple Objectives, Woodam Chung, John Sessions
Presentation

194

Improving Cross Drain Culvert Spacing with GIS Interactive Design Tool, Florentiu Damian
Presentation

201

Techniques for Preparing Alternative Road Access Policies for Steep and Mountainous Terrain, Weikko S. Jaross
Presentation

207

Forest Road Reconstruction or Relocation? Cameron North Road Improvement Project, Lawson W. Starnes, Bennett J. Stringham, John C. Bliss
Presentation

215

SESSION 6 TRENDS IN MECHANIZATION

Forecasting Future Global Timber Harvesting Requirements Using the Delphi Technique, Michal Brink, Loren Kellogg
Presentation

232

Mechanized Harvesting Systems in Permanent Stands and Technology, Thomas Wehner

250

A New Approach To Derive A Productivity Model for the Harvester "Valmet 911 Snake", Karl Stampfer and Thomas Steinmüller
Presentation

254

Session 7 Harvest System Technology

The Future of Cable Logging, Dexter Olund

263

Perspectives on Central European Cable Yarding Systems, Hans R. Heinimann, Karl Stampfer, Johannes Loschek, Leo Caminada
Presentation

268

Standing Stem Harvesting, Don Cleaver

280