Res 2013-018/City Manager to execute a development agreement with Lazy Oaks Ranch, LP

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1.06 Impervious Cover The maximum allowable impervious cover for the Property shall be 20% of the gross area of the Property ( "Permitted Maximum Allowable Property Impervious Cover"). The total Permitted Maximum Allowable Property Impervious Cover may be distributed throughout the Property or may be clustered as necessary provided that the total impervious cover on the Property does not exceed the Permitted Maximum Allowable Property Impervious Cover. Clustering Incentives in accordance with Section 5.2.8 of the City's LDC may be utilized within the Property subject to the City's approval of a Qualified Watershed Protection Plan Phase 1 and shall be subject to review and approval of all applicable City of San Marcos permits including Watershed Protection Plans, Site Preparation Permits and Environmental and Geologic Assessments and shall be subject to all City of San Marcos and TCEQ regulations for buffering and protection of sensitive features, if any such features are identified on the Property. 1.07 Environmental, Water Quality & Detention Standards Development of the Property will adhere to a standard for removal of a minimum of 85% of the increase in Total Suspended Solids (TSS) after full development of the Property over the baseline existing conditions before development of the Property. The 85% TSS removal may be accomplished utilizing traditional best management practices (BMP's), approved low- impact development (LID) practices designed in accordance with the City of Austin Environmental Criteria Manual, the City of San Marcos LID manual, or a combination thereof. All BMP's shall be designed and maintained by the Owner to achieve the performance standard of 85% TSS removal. BMP's for treatment and detention of stormwater proposed for development of this Property may include, but shall not be limited to detention ponds, grass -lined swales, rain gardens, bioswales, biofiltration ponds and native drought - tolerant plants for landscaping. Approved vegetative buffers and filters shall not include invasive species. Low Impact Development (LID) techniques allow for greater development potential with less environmental impacts through the use of smarter designs and advanced technologies that achieve a better balance between conservation, growth, ecosystem protection, public health, and quality of life. Where feasible and practical to achieve maximum water quality standards, the development within the Property may incorporate various LID techniques, in one form or another, that work in conjunction with traditional BMP's to achieve the 85% TSS removal indicated. Development of the Property may incorporate pervious paving materials such as pervious pavers, pervious concrete (grasscrete or eoocrete) or other pervious paving materials where appropriate. For pervious paving materials used, technical documentation demonstrating the pervious nature of the specific system or systems as installed shall be provided and approved by the City. In the event that City approved pervious paving materials are utilized, the development of the Property shall receive credit towards the Permitted Maximum Allowable Impervious Cover. During the construction process, stabilization and protection measures shall be utilized to limit site disturbance to the construction perimeter (the limits of construction). The type and adequacy of the erosion and sedimentation controls shall be subject to approval of the Director of Development Services prior to installation. All erosion and sedimentation controls shall be monitored and maintained at all times during the construction process. A combination of various approved erosion and sedimentation control measures will be implemented where appropriate. Discharge of sediment from the construction site shall be minimized and controlled as per applicable City, State and Federal requirements. It shall be the responsibility of the Owner and its contractors to clean up any discharge of sedimentation from the Property. No construction shall begin until all required City Plans are approved and a stormwater pollution prevention plan 10 1649956.1