TABLE OF CONTENTS
1.1 Site Characteristics
1.1.1 Location / Access
1.1.2 Neighboring Ownership
1.1.3 Topography
1.1.4 Timber Resources
1.2 DNR Goals
1.3 DNR Planning Guidelines
1.3.1 Silvicultural and Management Constraints
1.3.2 Road Layout and Design Constraints
1.4 Summary of FEMA Damage Survey Report
2.1.1.2 Preparations for SNAP
Chapter 3 Silviculture and Harvest Yield Projections
3.1 DNR Goals for the Toutle Unit
3.2 Growth Modeling Process
3.2.3 Growth Outputs
3.3 SNAP Analysis
3.3.1 SNAP Inputs
3.3.2 SNAP Processes and Constraints
3.3.3 SNAP and Growth Rates
3.4 SNAP Results
3.4.1 Silvicultural Treatments Over Time
3.4.2 Seral Stage Distribution
3.4.3 Projected Harvest Volumes
3.5 Implications of SNAP Results and Reccomendations
3.5.1 Implications of SNAP Results
3.5.2 Recommendations for Smoothing Timber Flow
3.5.2.1 Second Entry Commercial Thinning
3.5.2.2 Early Final Harvesting
3.5.2.3 Late Final Harvesting
3.5.2.4 Harvest of Old Growth
3.5.2.5 Adjustments for Adjacency Requirements
3.5.3 Recommendations for Smoothing Revenue Flow
Chapter 4 General Road Use Patterns
4.1 Current Road Systems
4.4 Summary
5.1 Introduction. 1
5.2 SNAP Comparisons for Haul Time, Haul Distances, and 5
Preferred Route.
5.3 Bridge Design 7
5.3.1 Preface 7
5.3.2 Bridge Design Parameters 7
5.3.3 Design Results 8
5.3.4 Bridge Cost 10
Chapter 6 4100 Alternative Route FEMA Points Seven through Eleven
6.1 Introduction 1
6.2 Design Objectives and Results 8
6.2.1 Speed 9
6.2.2 Construction 11
6.3 FEMA Project Seven 12
6.4 Economic Comparison 13
6.4.1 Clearing, Grubbing, and Slash Disposal 13
6.4.2 Excavation and Seeding 14
6.4.3 Ballast and Culverts 15
6.4.4 Economic Summary 16
Chapter 7 Haul Time Comparison and Break-Even Analysis
7.1 Introduction 1
7.2 GPS Data Collection 2
7.3 GPS Data Conversion 2
7.4 OTTO Truck Performance Model 4
7.5 Results of Haul Time Analysis 6
7.6 Break-Even Analysis 9
7.7 Discussion 9
7.8 References 10
Chapter 8 South Toutle Bridge Location and Approach Design
8.1 Introduction 1
8.2 Bridge Site Location 3
8.2.1 Reconnaissance/Location 3
8.2.1.1 Initial Site 3
8.2.1.2. Recommended Site 3
8.2.2 Data Collection 5
8.2.2.1 Field Access 5
8.2.2.2 Survey Data Collection 7
8.3 Bridge Approach Design 8
8.3.1 Objectives 8
8.3.1.1 East and South Mainline Approaches 8
8.3.1.2 West Approach 8
8.3.2 Constraints 9
8.3.2.1 East and South Mainline Approaches 9
8.3.2.2 West Approach 11
8.3.3 Design Results 13
8.3.3.1 East and South Mainline Approaches 13
8.3.3.2 West Approach 13
8.3.3.3 Bridge Site 13
8.4 Cost Estimation 14
8.4.1 Bridge 14
8.4.2 Approaches 14
8.5 Design Considerations 16
Chapter 9 Reconnaissance Reports
9.1 Weyerhaeuser Considered Bridge Site 1
9.2 4158 Rock Knob Attempt 3
9.3 FEMA #14 Bypass 4
9.4 FEMA #6 Bypass 6
9.5 FEMA #4 Bypass 7
9.6 4100 Bypass 8
9.7 FEMA #12 and #13 Bypass 10
9.8 5100, 5120, 5103, 5103L Inspection 12
9.9 5601 Connector to 5103 15
9.10 14 Creek Alternate Route, 4681 Connector to 5102 16
9.11 4100 Connector to 5650 18
9.12 5650 Connector to 4100 19
Appendix A Silvicultural Treatments
Appendix B Seral Stage Distribution
Appendix C SNAP Road Use Patterns