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英文字典中文字典相关资料:


  • Plans for Trail and Trail Bridge Structures | US . . . - US Forest Service
    The USDA Forest Service Standard Trail Plans and Specifications are for the design, construction, and maintenance of National Forest System trails and trail bridges These plans and specifications also are available for other Federal, State, and local agencies, communities, trail partners, volunteers, and entities
  • USFS Standard Trail Plans and Specifications - American Trails
    The Standard Trail Plans and Specifications were developed to assist with trail design, construction, maintenance, inventory, condition assessment, and the assembly of trail construction plan packages
  • Standard Specifications for Construction and Maintenance of Trails
    limited to straight-line diagrams, trail logs, standard drawings, construction logs, plan and profile sheets, cross-sections, diagrams, layouts, schematics, descriptive literature, and similar materials
  • Trail Terminology - WA - DNR
    US Forest Service Trail Fundamentals (helpful tools to inform trail standards) 5 concepts for USFS trail management •Trail Type •Trail Class* •Managed Use •Designed Use •Design Parameters**
  • USFS Trail Design Parameters - WordPress. com
    Trail Design Parameters provide guidance for the assessment, survey and design, construction, repair and maintenance of trails, based on the Trail Class and Designed Use of the trail Exceptions and variances to these parameters can occur, however, when site-specific circumstances demand
  • FOREST TRAIL HANDBOOK
    Standards of construction designated in this handbook are sufficient to accomplish the justified objects of trail work MAINTENANCE POLICY The desired standards of trail upkeep are those which are necessary to maintain the standard of construction established herein Well-balanced work, not polish, is wanted To underdo maintenance is bad To
  • Standard Forest Service National Trail Specifications - Corada
    Standard Forest Service National Trail Specifications The engineering management publication "Standard Specifications for Construction and Maintenance of Trails" (EM–7720–103) provides a uniform set of specifications for contracted trail work throughout the Forest Service
  • US Forest Service National Trail Drawings and Specifications
    US Forest Service National Trail Drawings and Specifications Trail Construction Related CAD Drawings and Specifications PDF DESCRIPTION; See Drawing: CLEARING LIMITS: See Drawing: TYPICAL TRAIL CROSS SECTION: See Drawing: OUTSLOPED CLIMBING TURN: See Drawing: TRAILBED AND SLOPE FINISH: See Drawing: TALUS AND RUBBLE ROCK SECTION:
  • Trail Class Specifications – The Pisgah Conservancy
    Then, use the USFS Trail Class Guide to identify the precise specifications on trail characteristics like tread width, brush clearing radius, structure use, and appropriateness of surface obstacles
  • Trail Management Basics - US Forest Service
    This document provides definitions and business rules for the five Trail Fundamentals: Trail Type, Trail Class, Managed Use, Designed Use and Design Parameters Trail Fundamentals PowerPoint Presentation (January 2019)





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