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TUL-29-1994 i Tk'DA 612 292 000- P.02,02 i K-D�r. ENGINEERS - ARCHITECTS • PLANNEM July 29, 1994 Honorable Mayor and City Council Lake Elmo, Minnesota Re: CSAH 10 Mitigation flan Lake Elmo, Minnesota Commission No. 9150-940 Dear Mayor and City Council: TOLTZ, KINO, DUVALL, ANDERDON AND A06001ATE9, iNOORPORATED 1400 PIPER JAPFAAV PLAYA 4440E0ARaTREET SAW PAUL, MINNFBWA6d101.2140 PHONEi01zr2u2J400 PAX-1012MV24M Part of the Washington County road project for widening CSAH 10 involves filling into Armstrong Lake, for which mitigation is required. The mitigation will be performed on Tom Armstrong's property adjacent to the lake. lrt the agreement between the County and Armstrong, all material excavated from the mitigation site is to remain on the Armstrong land and not hauled away. The County has prepared a plan which shows the placement of this excess soil. About 80,000 CY of soil will be excavated for the mitigation. About 20,000 CY of the more suitable soil is intended to be spread south and east of the southerly storage building and graded level. Approximate depth of fill at this location is 7 feet. Side slopes will be topsoiled with seed and mulch. The topsoil material not needed at the mitigation site will be placed between the farmstead and the red brick Armstrong house south of 15th Street. All remaining soil will be placed south of the red brick house, west of CSAH 13 and north of an existing field entrance. This land is presently lower than CSAN 13. These stockpile areas will be leveledby the County's contractor but the turf establishment will be Mr. Armstrong's responsibility. The disposal and stockpile areas are shown on Sheet 64 of the CSAH 10 plans. I will have a copy at the Council meeting. Action Requested I can find no specific administrative procedures in the City Code which address this type of grading and filling; therefore, I thought it wise to bring this matter before the City Council. Section 901..010E of the Mining Ordinance specifically exempts the moving of dirt within the construction limits of a road project from mining regulations. TFITCA G n7)