3.10.B. SR 05-02-2011 - Laserfiche WebLink

Home Browse Search

City of Elk. River REQUEST FOR ACTION TO ITEM NUMBER Ma or and Ci Council 3.10.B. AGENDA SECTION MEETING DATE PREPARED BY Consent Ma 2, 2011 ustin Femrite, P.E. ITEM DESCRIPTION REVIEWED By Stormwater Pond Erosion Repair Lori ohnson, Ci Administrator REVIEWED BY ACTION REQUESTED Authorization to accept the low quote received from Brenteson Companies, Inc. in the amount of $21,184.00 to complete the erosion repair at the outlet in the Stormwater pond on Parce175-787-0007, south of Menards. BACKGROUND/DISCUSSION The Stormwater pond generally located just south of the Menards yard area has developed erosion at the outlet into the pond. The following pictures identify the current condition of the outlet. The problem has developed as a result of the stormwater being conveyed down the sand slope of the pond bank and eroding the soil beneath the riprap. The attached figure identifies the proposed improvements to correct the condition. The proposed work will include the installation of two new storm structures and a short section of 30-inch pipe to convey the water to the bottom of the pond in a piped conduit. The proposed work will include salvaging and reinstalling all reusable components including the flared end section of pipe and the in place riprap. Also included is the removal of the eroded sediment from the pond bottom and restoration of the pond slope at the outlet location. The access route to complete the work will be along the existing drainage and utility easement located on property owned by Menards. We met with the Menards store manager on Apri14, 2011 and explained the work we were proposing. We further explained that upon completion of the work all disturbed turf areas will be restored to pre-existing conditions. The Menards manager did not have any concerns with our proposed work. N:\Public Bodies\City Counci]\Council RCA\Agenda Packet\OS-02-?011\Menards Pond Repair.docs