2012-06-26_PWETC_Minutes - Laserfiche WebLink

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protection through design standards that supported the goals and policies of the Plan. Goal 1 —Flood Protection and Runoff Management (Table 7) Member DeBenedet expressed concern that, as a substantially developed community, a broader policy statement was needed that the City would attempt to provide flood protection through runoff management and through enhancement of existing drainage facilities and management of those facilities. Member DeBenedet noted that consideration of time spent, resources committed, and cost- effectiveness, all needed to be part of the discussion. Section 2.1 Climate and Precipitation (Table 1, page 3) Member DeBenedet questioned if this section needed to be updated to give consideration to anticipated updated precipitation numbers coming in the next year; and in anticipation that those updated numbers may be higher. Member DeBenedet suggested that it may be worthwhile to have a paragraph included in this section describing what could happen if those precipitation levels were increased and how it would affect this Plan. At the request of Member Felice, Mr. Leaf provided a definition of"freeboard elevations" in Policy 4 related to the lowest homes level compared to the high water level for a 100-year design standard. Member DeBenedet, related to that question, asked a similar question based on assumptions for freeboard calculations measured from the lowest floor elevations (e.g. Millwood Avenue pond); with Mr. Leaf advising that it could be dependent on various scenarios. Using the Millwood Pond as an example, Ms. Bloom noted the project proposed for this year extended the flared end section to improve the freeboard for this pond. Member DeBenedet asked that the Plan include freeboard elevations accordingly. Goal 2— Surface Water Protection (Table 8) At the request of Member DeBenedet, Ms. Bloom confirmed that the Rice Creek Watershed District (RCWD) did not have the same standards for redevelopment in problem areas; and advised that the City was aware of problem areas and the need to implement long term solutions in those areas. Ms. Bloom used the I-35W corridor and Fairview Avenue as examples of problem areas; and staff s awareness of issues within that watershed area. Ms. Bloom advised that whenever a redevelopment or improvement project came forward, staff made sure that the storm water review included requirements for property owner(s) to take care of their portion of the water capacity issues at that time. Ms. Bloom noted that, while RCWD may not require it, the City did require compliance with water quantity concerns for larger rain events. Ms. Bloom advised that the City had Page 8 of 18