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conditions, and amount of any incentive agreements shall be determined by separate agreement <br />of the City, County, Owner, and/or applicable third parties.. <br />J. Street Standards. Ali streets and roads within the Property shall be designed and constructed <br />in conformance with the design guidelines and crass sections adopted by the City of San Marcos <br />in accordance with Context Sensitive Street Design. Standards. Alternative street design <br />standards and cross sections for all streets may be utilized upon review and approval by the City <br />and County Directors of Development Services at the time of detailed engineering and platting. <br />Any decision of the City and County Directors of Development Services may be appealed to the <br />Planning and Zoning Commission and the County Commissioners Court. <br />1.06 Impervious Cover <br />The maximum allowable impervious cover for the Property ("Permitted Maximum Allowable Property <br />Impervious Cover") shall be 20% of the 2,422.996 acres of the gross area of the Property (which <br />gross area expressly includes the 700.2 acres of gross area of the Conservation Habitat (RHCP) <br />Preserve and the 91.5 acres of additional Purgatory Creek Open Space shown on the Conceptual <br />Land Use Plan attached hereto as Exhibit "E°' regardless of whether Owner conveys a perpetual <br />conservation or other easement or fee simple title to any portion of such areas to the City, the County, <br />or any other governmental entity or conservation organization). The total Permitted Maximum <br />Allowable Property Impervious Cover may be distributed throughout the Property or may be clustered <br />as necessary provided that the total impervious cover on the 2,422.996 acres of the gross area of <br />the Property does not exceed the Permitted Maximum Allowable Property Impervious Cover. If any <br />portion of the Property is used for the right-of-way for Centerpoint Road, then the gross area of such <br />portion of the Property and any impervious cover placed on such portion of the Property shall be <br />excluded from all impervious cover calculations with respect to the remainder of the Property. <br />Clustering Incentives in accordance with Section 5.2.8 of the City's LDC may be utilized within the <br />Property subject to the City's approval of a Qualified Watershed Protection Plan Phase 1 and shall <br />be subject to review and approval of all applicable City of San Marcos permits including Watershed <br />Protection Plans, Site Preparation Permits and Environmental and Geologic Assessments and shall <br />be subject to all City of San Marcos and TCEQ regulations for buffering and protection of sensitive <br />features, if any such features are identified on the Property. <br />1.07 Environmental, Water Quality & Detention Standards <br />The development of the Property shall comply with Chapter 5 of the Land Development Code as <br />amended on March 4, 2014 and the City of San Marcos Storm Water Technical Manual. No portion <br />of the Project shall contain concrete storm water detention boxes. Development of the Property will <br />adhere to a standard for removal of a minimum of 85% of the increase in Total Suspended Solids <br />(TSS) after full development of the Property over the baseline existing conditions before development <br />of the Property. The 85% TSS removal may be accomplished utilizing traditional best management <br />practices (BMP's), approved low -impact development (LID) practices, or a combination thereof. All <br />BMP's shall be designed and maintained by the Owner to achieve the performance standard of 85% <br />TSS removal. BMP's for treatment and detention of stormwater proposed for development of this <br />Property may include, but shall not be limited to traditional BMP's such as detention ponds, grass - <br />lined swales, rain gardens, bioswales, biofiltration ponds and native drought -tolerant plants for <br />landscaping or non-traditional, innovative BMP's. The technical design of traditional BMP's shall be <br />in accordance with the City of San Marcos Storm Water Technical Manual. The use of innovative or <br />non-traditional BMP's shall be approved by the City and used within the Property when accompanied <br />by supporting ;documentation (i.e. product research / testing or acceptance from other jurisdictions) <br />illustrating the effectiveness of the BMP's in achieving treatment standards identified herein. The <br />technical design of innovative or non-traditional BMP's shall be in accordance with supplied <br />supporting documentation. Approved vegetative buffers and filters shall not include invasive species. <br />Low Impact Development (LID) techniques allow for greater development potential with less <br />environmental impacts through the use of smarter designs and advanced technologies that achieve <br />a better balance between conservation, growth, ecosystem protection, public health, and quality of <br />11 <br />2656351.1 <br />