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r <br />V <br />• i^JG-23-l-?9T 11:30 MItiriEHHHhj CREEK. UlATEPSHEE'to124710632 P.02 04 <br />MCWD PERMIT APPLICATION; 97-164 report DATE: 8-22-97 <br />Applicant: Hennepin Countv Tiansportation Division <br />-320 Washinulon Avc. S. <br />Representative; Steve Theis <br />Hennepin County <br />-Hopkins. MN 55343 <br />Location: CSAH 6. City of Orono Subwatershed;l»-4 <br />PID: 36-118-24 & 31/32-118-23 SubSubwatershed: FC-8 <br />Applicable Rules: Rule R. SU)mnvater management <br />Exhibits Received: Site pUtns Runoff calculations <br />Prainat»e narrative Mailimi labels <br />Noticing Requirements: Mailed to residents w/in 60U' of project on 8-22-97 <br />Wetland Conservation Act Notice mailed on <br />Reviewed by: Steve Schmunk, Andrew Syverson. .lim llafner <br />Project Review Status by Other Governmental Units: <br />DNR (tencral Permit: <br />: <br />1 <br />Recoinnicndatiuns: Approval.I <br />’ 4 <br />Review & Sutimiary: This pn>jcLl involves the maintenance and upgrading of CSAH 6 from lownlinc Road Co <br />Orchard Pai-k Road. Maintenance will be done to much of the roadway. The addition of turn lanes, bypass lanes, paved <br />shoulders and access consolidation will result in an increase of i.7 acres of impcrviou.s surlacc Appro.\iinately 20 <br />cubic meters of floodplain impact will be mitigated in llic immediate vicinity of the impact. Wetland impact impacts <br />and mitigation will be reviewed by HWSR. due to the “public roadways** clnssillcation of* the project. <br />While providing some BMP for water quality in the form of grass .swales und sump catch basins, the applicant Is <br />requesting to make a contribution in lieu of providing a NURP pond for this project. Iltc reasons which support this <br />rcque.st arc: <br />• the linear nature of the pi ojccr. making it difUcult to capture or route largo volumes of ninolT to any single location. <br />• any pond constructed would have to he si/xd to handle runoff from all of the contributing olt-roadway drainage <br />areas, resulting in a nnich larger pond (approximately live limes larger) tlinn the increased hardcover alone would <br />require, and <br />• imieh ofthc runoff from this projcci area eventually drains to the l\iinter Creek subwalershed and would be treated <br />hy that regional stormwater treatment project. <br />The conlribuiion amount wa.s calculated to be $22,41 1.