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►- <br />BONESTROO AND ASSOCIATES ©612 6361311 05/05/97 09:58 0 :03/03 N0:775 <br />Mr. Mike Gaffron, <br />City of Orono <br />Page -3- <br />May6,1997 <br />Hole #10! <br />• How is the lO"* tec in wetland 17 going to be constructed without impacting the wetland? <br />• What kind of timber is used in the retaining wall? <br />• Where is green subsurface drainage outletting? <br />Hole #12; <br />• Add silt fence between tees and wetland. <br />• Where is green subsurface drainage outletting? <br />Hole »13; <br />• Add silt fence between tecs and wetland 13. <br />• Extend sill fence along entire southern end of wetland 15. <br />Hole #14; <br />• Add silt fence around wetland mitigation area after construction of wetland. <br />Hole #15; <br />• Protect drainage way with silt fence. <br />Schoell and Madson have indicated many features will be designed in the field during the construction <br />process. All comments made above are based on construction documents dated January 1997. Our <br />comments are subject to change depending on changes made to the design during construction. <br />Please feel free to contact either of us at this office if you have any questions regarding this matter. <br />Yours very truly. <br />BONESTROO, ROSENE. ANDERLIK & ASSOCIATES. INC. <br />Anthony R. DeMars <br />Keith R. Yapp <br />Cc: Mr. Loren Kohnen, City of Medina