4 16 25 WO PB Draft Minutes

4 • They also agreed to install a 2nd curtain drain just above the retaining wall but at the bottom of the sloped lawn area. This would capture any additional runoff that is going down the sloped lawn area. • They also agreed to install 4 trees in the dark green area of the map. The trees offer a larger root structure and additional stabilization in that area. • Mr. Cokeley presented exhibit A2 which is the black and white imagery that is sheet 2 of 9 from the site plans set that was submitted for 42 Eagle Ridge Way which is the demolition plan. It is an existing condition plan as it stands today of Lot 42. • Lot 40 is just to the left side of the page, Eagle Ridge Way is at the bottom, and Llewellyn Park properties is to the top of the page. • What is shown on this map is the approximate limits of the prior structure that was previously demolished on the property which is shown on the dashed line for reference. • What was requested by Llewellyn Park was to locate the ditch in a manner similar to the prior aerial maps that has the ditch extending 40 feet from the common property corner on the east side and extend the length of the ditch going to that spot. • The blue line on Exhibit A2 represents the approximate ditch location. • The dark green color represents the groundcover mix that would be planted there, not just lawn. • The other request was to construct a type of temporary diversion feature on lot 42 from a storm water perspective to mitigate the storm water runoff from Lot 42 in this interim state from when the house was previously demolished until a future time that 42’s application is pending before the zoning board and it is moved forward. • The intent of the temporary diversion feature is to be a sort of berm that runs the entire length of the property and extends up to the dich such that the water as the topography flows west to east, it would prevent that runoff initially entering the ditch and then discharging down the mountain. • The temporary diversion would act as a berm that would allow the water to stay on Lot 42 for a short period of time. During heavier storms, it would crest over the top of the berm and then sheet at 1 elevation down which is a preferred method for erosion control rather than a channelized flow. • As part of the agreement, they are going to be removing the 36-inch pipe. The township ordinance for steep slope does have

h is a preferred method for erosion control rather than a channelized flow. • As part of the agreement, they are going to be removing the 36-inch pipe. The township ordinance for steep slope does have exceptions listed in Section 25-28.5. In Mr. Cokeley’s review of the aerial photography for this site, when the house was constructed in 2007 originally, it can be seen it was disturbed in its entirety therefore removing the pipe wouldn’t trigger the steep slope ordinance because it would be exempt as it was previously graded. • As far as the ditch is concern, at a prior hearing it was brought up that it might have been considered regulated water by New Jersey DEP. In their professional opinion, the storm water drainage ditch is not DEP regulated water and therefore it does not contain riparian zones. • Mr. Cokeley pointed out that New Jersey Administrative Code section 713-2.2A3, accepts that a segment of water is not a regulated water if it has a drainage area of less than 50 acres and one or more of the following conditions apply, Item 1: the water has no discernible channel. Item 2: the water is confined within a lawfully existing man-made conveyance structure or drainage feature such as a pipe, covert, dich, channel, or basin. Item 3: the water is not connected to a regulated water by a pipe. Mr. Cokeley states these items applies here. • A review of the USGS Stream Stats Application, which is a common application that engineers use to gauge tributary areas to streams and water shed points, shows that the