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Hakanson <br />Anderson <br />Assoc.,Inc. <br /> <br />Engineers, Surveyors & <br />Landscape Architects <br /> <br />April 3, 1990 <br /> <br />Mr. Mark Banwart <br />City of Ramsey <br />15153 Nowthen Blvd. N.W. <br />Ramsey, MN 55303 <br /> <br />Re: Vertical Control System <br /> <br />Dear Mr. Banwart: <br /> <br />I have estimated the cost to upgrade the benchmark system for the <br />City of Ramsey as follows: <br /> <br />Item 1. <br /> <br />Check and verify all existing benchmarks within the City <br />that are described in the City of Ramsey Benchmarks 1985 <br />Revision. <br /> <br />Estimated Cost: <br /> <br />$14,000.00 <br /> <br />Item 2. <br /> <br />Densify the benchmark system in platted areas where there <br />are no City benchmarks. <br /> <br />Estimated Cost: <br /> <br />$8,500.00 <br /> <br />Item 3. <br /> <br />Purchase of material from Bernsten Monument Company for <br />50 permanent benchmarks. <br /> <br />ae <br /> <br /> 350 sections of 3' long <br /> 3/4" aluminum rod $2,772.00 <br />B. 50 points 137.00 <br />C. 50 - 3-1/2" dia. friction caps 291.00 <br />D. Driving adaptor for air ham~er 110.00 <br /> <br />Estimated Cost of Material: <br /> <br />$3,310.00 <br /> <br />Item 4. <br /> <br />Set 50 permanent benchmark monuments using materials in <br />Item 3 to Mn/DOT specifications and set elevations in <br />accordance with the existing City benchmarks. <br /> <br />Estimated Cost: <br /> <br />$7,500.00 <br /> <br />Z22 Monroe Street <br />Anol,,a, Minnesot~ 55303 <br /> <br />61Z/427-5860 <br /> <br />Fax 612/427-3401 <br /> <br />190 <br /> <br /> <br />