Plan Sheet 2HH - 2JJ subdivides the standard silt fence into two categories - <20' fill height and >20' fill height (Type A & B respectively). There are significant differences in material and installation costs between the two and no identification of the quantities involved between the two descriptions are included the summaries. Further, there is allowance for installing 2 rows of Type A in lieu of Type B. 1-) If the contractor elects to install 2 rows of Type A Silt Fence will payment be made for both rows (1 LF of roadway station = 2 LF of measurement)? 2-) Can a Pay Item be established for the two different Silt Fence Types to avoid combining prices for such different material types?
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