Res 2020-179/approving a third amended and restated development agreement in connection with the La Cima development near the intersection of Old Rand Road 12 and Wonder World Drive

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1. 07 Environmental, Water Quality & Detention Standards The development of the Property shall comply with Chapter 5 of the Land Development Code as amended on March 4, 2014 and the associated City of San Marcos Storm Water Technical Manual; provided, however, that development of the Additional Property shall comply with Chapter 6 of the Land Development Code as amended on April 17, 2018 and the associated City of San Marcos Storm Water Technical Manual. No portion of the Project shall contain concrete storm water detention boxes. Development of the Property will adhere to a standard for removal of a minimum f 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, 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 traditional BMP's such as detention ponds, grass -lined swales, rain gardens, bioswales, biofiltration ponds and native drought -tolerant plants for landscaping or non-traditional, innovative BMP's. The technical design of traditional BMP's shall be in accordance with the City of San Marcos Storm Water Technical Manual. The use of innovative or non-traditional BMP's shall be approved by the City and used within the Property when accompanied by supporting documentation (i.e. product research / testing or acceptance from other jurisdictions) illustrating the effectiveness of the BMP's in achieving treatment standards identified herein. The technical design f innovative or non-traditional BMP's shall be in accordance with supplied supporting documentation. Approved vegetative buffers and filters shall not include invasive species. 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 85% TSS removal. Development of the Property may incorporate pervious paving materials such as pervious pavers, pervious concrete (grasscrete or ecocrete) or other pervious paving materials where appropriate. 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 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 (SWPPP) is produced by the Owner and approved by the City. An erosion and sedimentation control program shall include construction sequencing and sedimentation/erosion control measures to be implemented during construction. The type and adequacy of the erosion and sedimentation controls shall be subject to City approval prior to installation. All erosion and sedimentation controls shall be monitored and maintained at all times during the construction process, and shall be inSDected on an aDDroDriate freguencv, as SDecified in the SWPPP, and results shall be available 3209239.1