Agenda Packets - 2006/08/28 - Laserfiche WebLink

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Item No. 8C Meeting Date: August 28, 2006 Type of Business: CA WK: Work Session; PH: Public Hearing; CA: Consent Agenda; CB: Council Business City of Mounds View Staff Report To: Honorable Mayor and City Council From: Nick Fleischhacker, Surface Water Specialist Item Title/Subject: Resolution 6920 Approving a Contract Award for the Repair Drainage Area Within Lambert Park Background: In 2005 the City was notified of a ponding problem to the rear of Lambert Park. (See attachment B) After observing the drainage problem, Staff has determined that the problem is severe enough to warrant repair. The drainage swale is not conveying water appropriately. The said drainage area will require grading and the placement of energy dissipaters (rock or Rip-rap) to help convey the flow of water to the inlet located in the park. (See attachment A) NOTE: Ponding occurs in the spring of each year making the right field of the baseball field at the park unusable. During the summer months this area will stay flooded for several days following a rain event. Discussion: There have been several complaints about this area. The absence of energy dissipaters has caused washouts in the area and small deep ditches (See Attachment A). This washout could be a potential hazard to people playing baseball as well as children playing on the nearby playground. Work Detail: All grading work will be performed inside the park. Contractors will then re-grade the drainage easement to facilitate the flow of water to the storm sewer inlet as originally intended. After all grading work is completed all disturbed areas will be seeded. The work is anticipated to begin immediately following Mayor and City Council approval. Although work could be postponed due to unsuitable ground conditions work is anticipated to begin immediately and expected to last one week.