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Mounds View City Council February 9, 2009 Regular Meeting Page 7 • • Mr. Rhein stated this project has been reviewed by Public Works staff and Department Heads. Their consensus is that it is not worth the additional expense and time delay to raise the trail. He noted that during heavy rain storms it is unlikely the trail will be used and when the rain is done, the trail will be fully functional. Council Member Mueller asked whether the maximum water depth on the trail was calculated based on the current flow of water or through the proposed restricted storm drain. Mr. Rhein advised it was calculated after the rate restriction but if the current pipe was used, the same situation would occur. He advised that the pond outlet and culvert are constantly being utilized and sufficient to handle everything up to the 50-year storm event. Council Member Mueller asked if raising the trail at a future date would be more expensive than doing it now. Mr. Rhein answered in the affirmative and stated he did not think it would receive agency approval. Finance Director Beer asked if either a 50-year or a 100-year storm event would affect the structural integrity of the trail. Mr. Rhein stated it would not because during a 100-year event, the water would be still with no velocity of flow and during a 50-year event, the overflow would be only three inches so, again, there should not be a velocity of water flow or danger to pedestrians. A majority of the Council indicated the condition was acceptable, recognizing the trail may become overtopped during certain heavy storm events but dry after the storm event. C. Reports of City Attorney. None. 12. Next Council Work Session: Next Council Meeting: Monday, March 2, 2009, at 7 p.m. Monday, February 23, 2009, at 7 p.m. 13. ADJOURNMENT The meeting was adjourned at 8:02 p.m. Transcribed by: Carla Wirth Timesaver Off Site Secretarial, Inc. •