CC PACKET 04092002 - Laserfiche WebLink

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main is located along 33rd Avenue from 150 feet east of Stinson Boulevard east to Silver Lake Road. The concrete pavement has performed reasonably well for 30 years but deterioration, panel cracking and separation has occurred. At the intersection of Edward Avenue, existing plans show soil conditions of clay-dark gray lying over 2.5 to 7 feet of peat which then overlays wet silt and clay. The intersection of Edward Avenue is a natural low area collecting surface and subsurface moisture. Because the soils are susceptible to expansion when freezing and thawing occurs,the pavement at the Edward Avenue intersection has cracked, heaved, settled and is in poor condition. Various patches have been placed along the route due to utility placement and repair. Spalling of the pavement at the intersections of the longitudinal and transverse joints is apparent. Cracking of various panels along the route also is evident because of frost heave and settlement. Ridability of the pavement has been affected by the heaving, cracking and settlement. The storm sewers stem on 33rd Avenue and Edward Avenue enue has been identified by the Storm Water Management Study by WSB as insufficient to convey the surface water from the intersection. Prior to pavement rehabilitation, the inlets and pipeline within the 33' Avenue roadway should be upgraded. In several locations,catch basins castings are cracked,chipped or broken. Concrete curbing is in generally good condition, with some chipping and spalling. Parking along the street is currently allowed along both sides ofthe street. The sanitary sewer system study by WSB identified various problem areas which in some cases results in a backup of sanitary sewage into homes. One of these areas identified is along 33'Avenue with a sewage backup condition along a 260-foot long pipeline stretch east of Edward Avenue. The City of St. Anthony has had Buchen Engineering televise the sanitary sewer pipeline on 33rd Avenue to determine if additional areas have broken, collapsed and will need to be repaired prior to the rehabilitation of the street surfacing. The televising has revealed that two sections of pipe were plugged with roots and the camera could not continue. Two sections of the eight (8) sections televised were in acceptable condition and the remaining four had cracked and broken pipe and joints. 331"Avenue Improvements Silver Lake Road to Stinson Boulevard A-SANTH9902.00 St.Anthony, Minnesota Page 2