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Home My WebLink About2003-02-14 BRRA Ltr to OPHBonestroo NEW Rosene Anderlik & Associates En & Architects Februar 14, 2003 lonestroo, Rosene. Anderlik and Associates, Inc. is an ► itive Action Opportunit Emplo and Emplo Owned Principals: Otto G. Bonestroo, P.E. ■ Marvin L. Sorvala, PE. ■ Glenn R. Cook, RE. ■ Robert G. Schunicht, P.E. ■ Jerr A. Bourdon, PE. Senior Consultants: Robert W Rosene, PE. ■ Joseph C. Anderlik, RE. ■ Richard E. Turner, PE. ■ Susan M. Eberlin, C.PA. Associate Principals: Keith A. Gordon, RE. ■ Robert R. Pfefferle, P.E. ■ Richard W.-F.oster, P.E. ■ David O. Loskota, P.E. ■ Mark A. Hanson, P.E. ■ Michael T. Rautmann, P.E. ■ Ted K. Field, RE. ■ Kenneth R AnalL, so E,._- Mark R. Rolf s, P.E. ■ David A. Bonestroo, M.B.A. ■ Sidne P Williamson, PE., L.S. A M. Rin M.B.A. I c 4zrtmW t, P.E. P Thomas W. Peterson, P.E. ■ James R. Maland, RE. ■ Miles B. Jensen, RE. ■ L. Phillip v R a O rton, PE. ■ . 1 Ismael Martinez, RE. ■ Thomas A. S RE. ■ Sheldon J. Johnson ■ Dale A. Grove, P E. • Th A, r Robert J. Dever P.E. f Offices: St. Paul, St. Cloud, Rochester and Willmar, MN ■ Milwaukee, WI ■ CWa IL Website: www.bonestroo.com U Ms. Jud Holst Actin Cit Administrator Cit of Oak Park Hei 14168 Oak Park Blvd., P. 0. Box 2007 1 1 S J- L L ' ?-200" Oak 1-�ark I-' ' N' T 4 2f Re: Oak Villa Concept Plan Review BRA File No. 55-03-000 Dear Jud We have reviewed the 'Concept development plans and preliminar plat for the proposed Oak Villa development as submitted b Folz, Freeman,' Erickson, Inc. and have the followin comments and/or recommendations for y our consideration: Preliminar Plat: 1. Draina and Utilit Easements should be shown for all storm water ponds and connectin trunk ston-n sewers. OLItlOtS should not be used for these areas. All stormwater ponds and wetlands need accessibilit for maintenance. If the proposed draina and utilit easement locations are not also usable for access locations, separate or expanded easements will be re 2. Draina and Utilit Easements will also be re for an sanitar sewers or water mains that are "public" and lie outside of public street ri 3. Ston-n sewers servin internal parkin lots will be privatel owned and maintained. As such, draina and utilit easement are not re for these items. 4. Additional ri easement is re for Novak Avenue North near the reverse curve (at the southeast comer of the "Kohl's parcel" In addition, we recommend the 363.55' piece of ri bein provided for Novak Avenue N. be widened to the east to coincide with the 308.54' north-south existin parcel line. Site L. Locations: 5. Proposed Novak Avenue North, the main north-s6uth connector road throu the site, should be desi to include separate left and ri -turn lanes at 58 th Street North. If projected traffic volumes in this area (dependent upon t of development) will increase traffic si consideration ma want to be g iven to desi this as a four-lane roadwa 2335 West Hi 36 ■ St. Paul, MN 55113 x 651-636-4600 n Fax: 651-636-1311 5. The proposed easterly access to 58"' Street North has been realigned to create a distance of approximately 300' from Oakgreen Avenue North. This distance is not quite as great as we were recommending, but should be acceptable since 58 Street N. is a multiple lane roadway. 7. We recommend eliminating the easterly driveway access from Building No. 8 to the public loop roadway (see enclosed sketch). Site distance problems exist for vehicles trying to exit at this location with east /south bound vehicles on the roadway. 8. The three double driveways from Building No. 9 will create backing out hazards onto the public loop roadway. Unless this building is redesigned /relocated with rear -entry garages, this will be an issue the City will just have to accept. 9. omit any landscaping that will create site distance obstructions on the west side of the westerly driveway (between Buildings A and B) onto 58"' Street North. Grading /Drainage 10. Storm water runoff from the majority of this development will be tributary to four different internal ponds/wetlands (two proposed storm water ponding areas & two existing storm water ponding areas). The existing drainage pattern of the commercial /office area north of and adjacent to 58 Street N. is to the west /southwest and is in the BCWD jurisdictional drainage area. Drainage for a majority of this area is proposed to be redirected to the east. As such, formal approval will be needed from both the BCwD and the MS C -WMO prior to general plan submittal. 11. Storm sewers structures outletting to ponds/wetlands shall be constructed with sumps for sediment and debris removal, for both public and private systems. 12. Storm water runoff and ponding calculations will be required as part of the general plan submittal, to verify adequate pond storage capacities and ultimate offsite discharge rates. Sanitary Sewer: 13. The commercial /office area is proposed to connect to the existing sanitary sewer stubbed north of 58 Street N. at Norwich Avenue N. The residential area is proposed to connect to the existing sanitary sewer north of Pondview Condominiums. We recommend that when the residential area sanitary sewer enters proposed 59 Street N., it turn east to the Oakgreen Avenue N. westerly easement line, then north to connect to the existing manhole on the east side of the proposed Renton Homes development. This will result in more of a "main line" route and avoid sending all of this development's flows through the Pondview sewer that was basically designed as more of a service line. 14. The location of the proposed sewer in the commercial /office area, which basically acts as services to the proposed buildings, should be privately owned and maintained. Much of the sanitary sewer proposed to serve the townhome buildings lies within private driveways. The issue of whether these sanitary sewers will be publicly or privately owned and maintained needs to be determined. If publicly owned and maintained, we recommend 30 --foot wide utility easements be dedicated to the city (since water main is adjacent to the sewers in all these locations). Water Main: 15. The water main layout, in general, is acceptable as one possible alternative. We may want to consider minor realignments of the 12 trunk water main as is connects to 58 Street N. and possibl continuin the 8" line in proposed 59'1' Street N. throu to Oak Avenue N. The overall ali should also be reviewed with the Cit Public Works Director and will be better defined when g eneral plans are submitted. 16. Similar to Comment 14. above, much of the water main proposed to serve the townhome buildin lies within private drivewa The water main that is looped to other public water main would t also be considered public, and re utilit easements dedicated to the Cit The dead end water mains in private drivewa would need to be determined if the are to be publicl or privatel owned and maintained, and therefore, whether or not an easement dedicated to the Cit is needed. Miscellaneous: 17. A detailed sediment and erosion control plan needs to be included as part of the g eneral plan submittal, as it pertains to the g radin g and private storm sewer construction activities. If y ou have an q uestions or re additional information,, please contact me at (651 604-4815. Sincerel BONESTROO, ROSENE, ANDERLIK & ASSOCIATES INC Dennis M. Postler, P.E. Enclosure cc: Ja Johnson, Public Works Director Jim Butler, Buildin Official Scott Richards, Cit Planner Mark Vierlin Cit Attorne Kath Widin, Cit Arborist Todd A. Erickson — Folz, Freeman, Erickson, Inc. DMP, DDH, File — Bonestroo & Associates K:\55\01d\0akc,reen Villa - Concept Plan Review 2-14-03.doc 0 —