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Oot 09 9002 2:42PM BOtlESTROO ROSEME RNDERLIK 6516361311 p. 1 <br />PnfpetNanw: .Stonebay <br />To;TPK <br />Hfom: JLH <br />fta; City of Orono <br />CHent City of Orono <br />ntmNq : }39-02-000 <br />Datp: Octobor 3, 2002 <br />® ^ toNowIng concama I have after reviewino the plan for the Stonebay development <br />Please let me Know M you have any questions regarding these comments. Thank you.l <br />1. <br />2. <br />3. <br />4. <br />6. <br />6. <br />7. <br />8. <br />9. <br />10. <br />Due to the adJaMnt nature arxl close proximity of the development to delineated wetland areas <br />It Is rny sugoestton that all silt fence be machlns Installed, and have metal fence posts. <br />poeslS?iy%^Srfti^^ wooden posts will eubject the wetland areas to the Increased <br />Also, due to ttie drastic increase in the amount of impervious surface created by this <br />d^lopmant it would be my suggestion to allow a 10 toot buffer strip of vegetation be left prior <br />to the «H fence installation line. This would allow for an increase in filtration to slow water <br />velocniea, and decrease water temperature. <br />There should be a continuous line of protection along the north side of the development artth 8>'» <br />feixe to protect adjacent wetland areas of off site runoff arxl sediment loads. <br />”^ro should be an additional rock construction entrance located on the roadway entrance ai <br />the northeast end of the development. <br />All r^ construction entrances should be made of 3’ minus minimum NOT 1 -2" dear. In <br />previous examples, this is inadequate, and easily filled to capacity. <br />Locations sikJ oapaciiy standards for temporary sedimentation ponds should be noted on the <br />plan, and agreec upon as to installation time lines. <br />At the time of Inetallalion, all curb and gutter inlets should be maintained and protected with <br />some form of inlet protection until work in this development is completed and turf artd veaetation <br />standards have been achieved. ” <br />After installation of curb and gutter, all curb lines should have silt fence installed and maintained as necessary. <br />After installation of streets, all development sites should have a rock construction entrance as <br />previously dtocuaead. <br />Clearly defined responsible authority shall be provided to project engineer phor to work <br />oontroTn^^ e^** who is responsible for immediate needs with regard to erosion and sediment <br />PosMT Fax Note 7671 <br />Co/0«pt Co <br />Pt)on0i Phono# <br />Foa# <br />Sent&oo. Rommnm, AndmrtHrmndAmBc^inf. Ihc. <br />2336 West Highway 36 4- St. Paul, MN 65113 + Phone: 6St-636>4600 + Fax: 651-636-1311