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515 Little Canada Road, Little Canada, MN 55117 -1600 <br />(651) 766 -4029 / FAX: (651) 766 -4048 <br />www.c1.lit t1e -c anada.mn.us <br />MAYOR <br />Michael I. Fahey <br />COUNCIL <br />Beverly Seale <br />Jim LaVatle <br />Matt Anderson <br />Rick Montour <br />ADMINISTRATOR <br />Joel R. Hanson <br />MEMORANDUM <br />TO: Mayor Fahey & Members of the City Council <br />FROM: Greg Schroeder, Public Works Director <br />DATE: December 11, 2002 <br />RE: Round Lake Sediment Removal /Storm Sewer Repair Update <br />Over the past few months Ramsey County and the City of Little Canada have been working <br />together to remove a large (approximately 500 cubic yard) sediment delta from Round Lake near <br />the Jessica Court storm sewer outlet into Round Lake. This sediment delta is a result of winter <br />street sanding efforts by Ramsey County and the City of Little Canada as well as miscellaneous <br />dirt and debris being flushed through the storm sewer system in this area. Removal of the delta <br />has been a challenge due to restricted access to the delta and our desire to keep disruption of the <br />area and overall costs down. <br />Last week Ramsey County crews accessed Round Lake via Ramsey County and City of Little <br />Canada utility and drainage easements between 63 and 69 Jessica Court and removed the <br />sediment delta. They took approximately 50 tandem dump truck loads out of the lake. Damage <br />to the yards was minimal and they will be restored in the spring. <br />Once the lake ice was thick enough we were able to inspect the storm sewer outlet and pipe <br />going back to Jessica Court. We have determined that the outlet and about 30 to 40 feet of pipe <br />have settled resulting in pipe joint separation. These joint separations have been causing the <br />development of sinkholes along the pipe over the last few years. Due to the amount of work <br />required to correct this failure and the current depth of frost in the ground, we have determined <br />that it would be more efficient to repair this storm sewer in the spring just prior to our proposed <br />yard restoration. This has been discussed with the residents impacted and they are in agreement. <br />The estimated cost for this project is: <br />DNR Permit $500 <br />Remove sediment $11,000 <br />Repair Storm Sewer $5,000 <br />Restore yards $1 000 <br />Total $17,500 <br />11:AGrogS \Storm WaterARound Lake sedimentdoc <br />