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Project Size and Impact Area Calculations for Streambank and Trail Development

This document outlines the size calculations for project areas related to streambank and access trail development. The project must not exceed five acres or 500 linear feet of streambank. Calculations include the large woody material area, canopy removal area, and access trail area, totaling 1,875 square feet (0.04 acres). Additionally, the linear impacts of large wood and access trails are specified, detailing the diameter of woody material and the total linear impact of 37.5 feet. Compliance with the area limits is essential for project approval.

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Project Size and Impact Area Calculations for Streambank and Trail Development

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  1. Project Size Calculations: Area Project size shall not exceed: a) Five Acres, or; b) 500 linear feet of stream bank. • Large Woody Material Area Calculation: • A) 25’ X 2’ = 50 ft² • 50’ X 3’ = 150 ft² • 35’ X 2’ = 70 ft² • Canopy Removal Area Calculation: • 435 ft² (0.01 acre) per felled tree • A + B + C = 1,305 ft² (0.03 acres ) • Access Trail Area Calculation: • 30’ X 10’ = 300 ft² • TOTAL Area = 1,875 ft² or 0.04 acres A Access Trail B C Top of Bank

  2. Project Size Calculations: Length Project size shall not exceed: a) Five Acres, or; b) 500 linear feet of stream bank. • Large Wood Linear Affect: • 2 feet diameter • 3 feet diameter • 2.5 feet diameter • Access Trail Linear Affect: • 30 linear feet • TOTAL: 37.5 linear feet impact A Access Trail B C Top of Bank

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