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US Army Corps Meeting Summary and Next Steps Meeting Summary/Next Steps Date: August 30, 2018 Location: US Army Corp of Engineers, Fort Worth Office Attendees: Joe Shelnutt, USACE Jamie Larkin, USACE Jennifer Walker, USACE Terry Holmes, Blackberry Farms David Stelly, Stelly Environmental Kent Collins, City of Coppell Marcie Diamond, City of Coppell George Marshall, City of Coppell Topic: Blackberry Farm Development During the previous meeting with USACE, Mr. Holmes indicated that the creek areas will remain in the natural state and generally, the permit as submitted was approved. It was determined that no hard armory of the creek banks would be required given the proposed 30-50-foot setbacks. This permit has since expired. In reviewing the plans, and with further analysis and discussion at this meeting, it appeared that there would be some disturbances to the creek bank to accommodate the proposed development, and there are some areas which would require protection due to high energy water flow, especially abutting curves. Coppell staff expressed concern with the ability to control that the creek area remain in its natural state to insure minimal impact on erosion, once in private hands, albeit Homeowner or HOA. USACE staff presented an option to ensure that the area remain in the natural state, would be to establish a Conservation Easement over the area. The easement would be granted to a third party, 501.C3 Corporation, such as Connemara or Mitigation Solutions whose mission is to protect and conserve open spaces. These types of corporations carry litigation insurance and have the ability and the right to address violations in designated open space areas. Second option would be the HOA to maintain and “police” the maintenance of the area. It is reasonable to assume that additional funding sources would be required to make this a financially viable solution. Neither City staff or USACE support this option to ensure long-term maintenance of this area. August 30, 2018 Meeting Summary/Next Steps USACE/Blackberry Farms/City of Coppell Page 2   Once the recommended Conservation Easement is established in the common area lots, specific language on the use and maintenance of and penalties for disturbance of the open space areas should be included within the:  Subdivision Plats  PD Ordinance  HOA Documents  Deeds  Signage posted on property There was also discussion about the potential issues during construction within and adjacent to these areas. It was recommended that an integral part of the pre-construction meeting as well as on-going meetings with contractors include detailed expectations for construction methods to ensure the preservation of the vegetation and creek stabilization areas. The engineer/developer will need to provide detailed and specific language on how to handle and protect the creek banks from erosion both during construction and thereafter. Next Steps - Terry Holmes and/or his consultants shall:  Request that City Council delay the Public Hearing on PD-259R-SF-7/9, Blackberry Farm, from August 14, 2018 to September 11, 2108. Future delays will depend on the progress made.  Revise the Detail Engineering Plans to reflect the revisions creek stabilization and “30-50- foot setback areas” as discussed, including items such as selective armoring of the sharp curves/bridge areas, bendway weirs or stream barbs in select areas to further prevent future erosion.  Initiate discussions with a 501.C3 Corporation, recognized by the USACE and the City to start the process to establish a Conservation Easement to insure the creek area remain in it’s natural state.  Submit a revised/new application to USACE.