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Vaughan's 1st Addition <br />Drainage Calculation Review <br />City of Lino Lakes, Minnesota <br />Page 3 <br />December 26, 2007 <br />5. If an NPDES permit is required for this site, submit a copy of the permit for the City's records <br />when available. <br />6. Contact Rice Creek Watershed District to determine if a permit is required for this project. If <br />required, submit a copy of the RCWD permit for the City's records when available. <br />7. Show the soil boring locations on the Plans. <br />12/26/07 This item has been addressed. <br />8. Label the wetland buffer on the Plan. <br />12/26/07 This item has been addressed. <br />9. Any disturbance within the wetland buffer area shall be restored with native vegetation. <br />12/26/07 Specify the type of native vegetation used to restore the disturbed wetland buffer areas on the <br />plan. <br />10. The silt fence encroaches on the wetland delineation boundary at the northeast corner of the lot. <br />Revise the drawing to show the silt fence outside of the wetland delineation boundary. <br />12/26/07 This item has been addressed. <br />11. Label the infiltration basin on the Plan. <br />12/26/07 This item has been addressed. <br />12. Clarify the design criteria for the infiltration basin and submit design calculations for review. <br />12/26/07 This item has been addressed. <br />13. Provide a cross - section detail of the infiltration basin on the Plans that includes information such as <br />the depth and type of soil mixture. <br />12/26/07 This item has been addressed. <br />14. Include notes on the Grading Plan incorporating the following: 1) the proposed infiltration basin <br />should be staked off and marked during construction to prevent heavy equipment from compacting <br />the soil, 2) the infiltration basin should not be excavated to final grade until the contributing <br />drainage areas have been constructed and fully stabilized, and 3) final excavation of the infiltration <br />basin should be completed using light tracked equipment to avoid compacting the basin floor. <br />12/26/07 This item has been addressed. <br />15. To provide a well aerated, highly porous surface, the soils of the infiltration basin floor should be <br />loosened to a depth of at least twelve inches (12 ") prior to planting. <br />