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Item 11A Section 6FINAL DRAFT November 3, 2004 6.0 ENVIRONMENTAL RESOURCES Based on the existing character, previously adopted plans, Southlake 2025 Plan Vision, Goals, & Objectives, and the proposed F.M. 1938 extension north to S.H.114 the following general environmental resource protection recommendations for the Davis Boulevard/F.M. 1938 Corridor Plan Area "A" are recommended. 6.1 Environmental Resource Protection Recommendations • Encourage the use of the 100 -year flood plain as an asset to development along Davis Boulevard by providing development incentives to protect the stream corridor as a natural drainage channel. • Identify and protect significant wooded areas in the corridor. • Encourage the preservation of a tree buffer adjoining the floodplain corridor. • Protect the area's surface and groundwater sources from contamination. • Identify and protect wetland habitats. • Encourage the maintenance of existing vegetation adjacent to roadways when wooded areas are developed. • Adapt development to the topography rather than topography to the development. • Incorporate significant landscape features into new development. • Preserve views sheds that add value to development in the corridor. 6.2 Implementation Strategies Environmental Resource Protection Recommendations Implementation Options • Encourage the use of the 100 -year • Do not pipe the stream. flood plain as an asset to • Ensure that trees and vegetation within 20'of development along Davis Boulevard the stream corridor remain in a natural state to by providing development incentives serve as a filter for storm water runoff. to protect the stream corridor as a natural drainage channel. Southlake 2025 Plan 34 Davis Boulevard /F.M. 1938 Phase 11 Analysis & Recommendations Views from the Davis Boulevard corridor looking west. November 3, 2004 Environmental Resource Protection Implementation Options Recommendations • Encourage the preservation of a tree • Develop regulations that allow for creative and buffer adjoining the floodplain flexible site design that is sensitive to the stream corridor. valley. Allow clustering and provide density credits in return for the protection of the stream valley. • Decrease or minimize non -point source pollution impacts by reducing the amount of impervious surfaces. • Encourage the placement of the stream valley into a conservation easement by developing an easement program. A conservation easement is a voluntary and permanent restriction on property granted to a qualified nonprofit land trust or governmental entity. • Identify and protect significant • Identify and map existing tree cover in the area wooded areas in the corridor. (refer to the accompanying Tree Preservation Plan map). • Develop regulations that allow for the clustering of development or provide development credits in return for the protection of significant wooded areas and /or wetland habitats. • Protect the areas surface and • Seek an effective way to collect, store and use groundwater sources from surface and groundwater data. contamination. • Create a water protection resource ordinance. • Adopt Groundwater Assessment Standards for proposed developments. Incorporate adopted standards into the subdivision ordinance. • Promote and require best management practices (BMP) to ensure protection of water sources. • Continue the development of education programs which provide information to the public regarding the protection of both surface and ground water. • Protect wetland habitats. • If wetlands exist on property proposed to be developed, assurance or proof of compliance acceptable to the city must be provided at time of application that all federal regulations are met pertaining to the protection and mitigation of such areas. • Adapt development to the • Develop zoning regulations which prohibit topography rather than topography disturbance of steep slopes. Discourage large to the development. retaining walls. • Preserve views sheds that add value • Protect the views to west for buildings located on to development in the corridor. high terrain on the east side Davis Blvd. Southlake 2025 Plan Phase 11 35 Davis Boulevard /F.M. 1938 Analysis & Recommendations November 3, 2004 `free Preservation Plan for the Davis Boulevard Corridor 400 0 400 900 w7R�Wvl W • •s is i Y • ` s • s a i s 6 4: � a • E • • OV will ■� a.; E ■ r.- • -r r r r Southlake 2025 Plan 36 Davis Boulevard /F.M. 1938 Phase 11 Analysis & Recommendations