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• Memo - Drainage Review for Page 2 June 26, 2002 Spirit Hills Center (Village Hills) City of Lino Lakes, Minnesota • 4. There are some differences between the full size and half size copies provided. For example, hatched areas do not show up on the full size Plan, and the location of curb and gutter differs between copies. Other Comments 1. The Plan must note or reference that all curbing shall be B611 concrete curb and gutter as required by the City. Curb cuts must be noted on the Plan where it is intended to drain to infiltration areas. The location of curb and gutter must be clearly shown and referenced to the City standard accordingly. 2. The Plan must show specifically where silt fence is to be installed (essentially all locations where any runoff can leave the site). 3. All disturbed areas shall be seeded and mulched immediately, or within a maximum of two weeks from final disturbance. 4. The "future" mitigation at the SE corner of the site is labeled "if necessary ". It would appear that the detention area is necessary, regardless, since permanent drainage from the site is being routed to this location. The expected HW should be noted on the Plan, and the overflow route (to Birch Street) must be better defined to indicate what the effects on Birch Street may be. 5. A shaded area is shown on the NW side of the property, between the driveway and pond, along with a note stating "Tuff Turf' swale. The shading must be referenced in a glossary or index with the other cross hatching, and a specific reference or detail to "Tuff Turf" must be provided. It is presumed that "Tuff Turf" is an industry trademarked product, and it must be referenced and/or specified and described accordingly. 6. The entire wetland mitigation work for this site is very confusing. Notes on the Plan referring to mitigation should reference to the note describing the requirements of the Rice Creek Watershed. Re- delineations in the spring of 2002, future mitigations if necessary, etc. are stated on the Plan. If such re- delineations have been performed, they should be incorporated into the Plan accordingly. Mitigation areas should also be clearly defined and outlined. This Plan shall not be considered approved until the Watershed has reviewed and approved the Plan accordingly. Again, the mitigation work shown for this site is not clear and must be clarified and detailed on the Plan in accordance with the requirements of the Rice Creek Watershed District. 7. A reference or detail for "Netlon Advanced Turf' and "Netavator" must be provided. It is presumed that this is an industry trademarked product, and it must be referenced and/or specified accordingly.