08.21.23 MEETING MINUTES - Laserfiche WebLink

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Minutes of the Regular Meeting of Council Monday, August 21, 2023 Page 4 Getting back to Beecher's Brook, we identified the problem area and came up with two alternatives. The preferable alternative was basically to replace the crossings and upsize the crossings on Worton Park Drive, on North Woodlane Drive, Norman Road, South Woodland and Woodland Drive to the west. We had been working with Mayor Bodnar and Tom Cappello from the Engineer's office early on when we were doing the master plan because we knew that they were planning on upsizing the crossings and we wanted to get the proper sizing for Tom so he could keep moving on his design and eventual construction. Working with Tom and the engineer's office, basically it was decided that we would break this up into two phases. He's taken the lead on that. The first thing you see on the slide right now essentially is Phase 1. That involved the upsizing of the crossing on Worton Park Drive just south of Hemingway Road. It involved the upsizing of the crossing at North Woodlane Drive. Originally it was going to be replacing one of the culverts from Mr. Mackey's driveway to make it one long crossing but to meet the resident's expectation, we broke that up into two and both of those crossings were of size. During the study, we identified that this is a problem area. We identified one house as having flooding. That was at 6213 North Woodlane Drive which is that area in the yellow square there. We proposed to purchase the home, level it, do the demolition and widen the flood plain in that immediate area. What that would allow us to do is when that flow comes underneath North Woodlane Drive, it would spread that water around and slow it down a little bit so that you wouldn't have that rush of water continuing north and over on Worton Park Drive itself and to the neighbors further to the east where it takes that 90 degree bend. That's basically what's presented on this aerial right here. I will talk about Phase II in just a moment. We did have a storm as everyone is aware of on the afternoon of August I Ith going into early afternoon of August 121h. From what we saw on our rain gages, we looked at all those and the closest one to Mayfield Village is located in Mayfield Heights. When we took a look at the information it looked like over the 24 hour period, you had about 2.64 inches of rain fall down. It's a decent amount of water that's going through that area, especially in the Worton Park Drive neighborhood where there's a very small creek. The floodplain has been developed with residential homes. There's quite a bit of water trying to get through there. One of the things that we did as part of the master plan study is that we actually modeled what Worton Park Drive would look like during existing conditions during various stormwater events including the two year storm event. What you are seeing here on the image above is the extent of the flooding that was predicted in existing conditions. That's even before the culverts were done near the northern part of the Worton Park Drive neighborhood. As you can see there, the channel goes from west to east in parallel with North Woodlane Drive. It goes underneath the crossing and then continues up a southwest and northeast trend going up to Worton Park Drive itself. We noted that one house was going to experience first floor flooding according to the model. We did note that there would be either passable or impassible flooding of Worton Park Drive and North Woodlane driving during the storm event and also the roads to the south of that. We did note that the other houses would experience flooding coming up towards the homes in the rear lots. But