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FLH PDDM Chapter 9 - Eastern Federal Lands Highway Division

FLH PDDM Chapter 9 - Eastern Federal Lands Highway Division

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TABLE OF CONTENTS9.4 PS&E DEVELOPMENT (continued) PageB. Intersection Design ....................................................... 9-581. Intersection Types2. Design Vehicle3. Alignment4. Sight Distance5. Channelization6. Traffic Islands7. Left-Turn Lanes8. Right-Turn LanesC. Earthwork Design ........................................................ 9-711. Clearing and Grubbing2. Removal of Structures and Obstructions3. Classification of Roadway Excavation4. Shrink and Swell Factors5. Design Cut and Fill Slopes6. Slides7. Balancing Earthwork8. Haul9. Mass Diagram10. Computing Structural Excavation Quantities11. Subgrade Treatment12. Roadway Obliteration13. Design Steps Using IHDSD. Earth Retaining Structures ................................................. 9-781. Design considerationsa. Determination of Needb. Alternative Wall Systemsc. Design Guidelinesd. Selection of Wall Typese. Retaining Wall Systems2. Contracting Procedures3. Consideration of New Retaining Wall Systemsii

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