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I I I Council Meeting Minutes October 22, 1996 Page 6 Council Business. continued Staff recommended the following conditions of approval: sweeping of hauling routes; hauling activity permitted 7:00 a.m. to 5:00 p.m., Monday-Friday only; and approval of a grading and drainage plan by the City Engineer and Rice Creek Watershed District (RCWD). Mpls will pave the back portion of the access from Stinson Blvd. and 5th St. Gunderman asked if the communication from Lowell Johnson had been received. Mattila said Council and Mpls received Johnson's comments referring to flatter slopes, appropriate setbacks, and reservoir height. Mattila said the structure will be setback 30 ft. from the property line, and the slope material will be part of the landscape plan. Gunderman asked if there is opportunity for recreation activities on the site. Mattila said there was discussion regarding soccer fields, but the reservoir vents prevent any activity. Samuelson noted the five basic hauling routes and asked which one is preferred. Adam Kramer, Director of Mpls Water Works, said three of the five routes will not be used because they travel through residential areas. The two proposed routes are: Central Ave., to 49th Ave. to Stinson; or Silver Lk. Rd. to Co. Rd. E to Stinson. Silver Lk. Rd. appears to be safer because 49th Ave. involves school bus travel. Kramer confirmed these streets are designed to accommodate the truck weight. Larson is resistant to allowing truck hauling activity on New Brighton roads, and will not support the project if trucks are allowed to use Silver Lk. Rd. Kramer said many communities other than Mpls benefit from this water, and the area's high elevation allows the use of gravity instead of pumping for operation. He noted an error in the plan which stated the site to be 56 acres, however, in actuality it is 37 acres. Mattila said the staff report is based on 56 acres, and the density should be recalculated. Williams does not question the appropriateness of the reservoir or its expansion, but has concern with its impact and frequency of construction traffic. Kramer said earthwork will take about 6 weeks and concrete work will be intermittent over one year. Kramer calculated the number of daily truck trips to be 22, and truck hauling hours will be 7:00 a.m. to 5:00 p.m., Monday-Friday. Mpls will ask for further clarification if they are allowed to perform other work than hauling beyond conditional hours. Williams is reluctant to allow Silver Lk. Rd. and 5th St. for truck traffic. Larson noted resident concern of the structure's elevation. Kramer believes the elevation will remain the same. Kramer and Council reviewed the elevation calculations. Benke confirmed that 230 ft. of existing trees will remain on the Wexford Heights border. Williams verified that the existing tank is 40 million gallons. Benke confirmed that temporary construction traffic will travel west on 5th St., and the access will be rebuilt and landscaped when the project is completed. Kramer said they will try to save as many trees as possible along Stinson Blvd. Mattila said the City Forester is working on the landscape plan, and Linden trees will be planted on Stinson Blvd. every 25 ft. intervals. If Council wishes, a variety of trees could be planted. Kramer introduced Jay Whitaker, Superintendent of Planning and Engineering for the Mpls Water Works, and Galina Izraelev, Project Engineer. Council Business Mpls Water Reservoir Project Report 96-238