Res 2017-121/approving a Professional Services Agreement with Kimley-Horn And Associates, Inc. for the provision of Engineering Services in connection with the Sessom Creek Wastewater Improvements Project from N. LBJ to Canyon Road

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ATTACHMENT A CITY OF SAN MARCOS SESSOM DRIVE WASTEWATER REPLACEMENT FROM N. LBJ TO CANYON ROAD SCOPE OF SERVICES City, for the purpose of preparing Design Documents. The topographic and tree survey consists of the work associated with the sanitary sewer main replacement as well as the Sessom Creek Bank Stabilization Project. KIMLEY-HORN will prepare an electronic map showing the following: i. 200-foot cross-section along Sessom Creek. (Approximately 12 cross-sections). ii. Streets, pavement and associated infrastructure along the 200-foot cross- sections. iii. Existing trees, size and type (at minimum caliper inches required by City CIP) — 24" and above caliper for Native Oaks, Elms, Madrone, and Pecan, Celtis Occidentalis (Hackberry), Juniperus Virginiana, Juniperus Ashei (Common Cedar), Chinaberry, mesquite and Ligustrum trees per San Marcos City Ordinances, Section 5.5.2.2-(g)(2). iv. Shot at top of nut of water and gas valves. Water, Sewer, and Drainage maps will be required to be provided by City prior to survey. v. Identify all visible and above grade utilities, and manholes with invert elevations and tied to existing control points/ City bench marks (if any). Underground site utilities will be located by Dig-Tess only. vi. Full topography at the intersections of N. LBJ Drive and Sessom Drive and Loquat and Sessom Drive, 150 feet along each leg of the roadway. Four 50-foot cross-sections at the upstream face, downstream face, and at 50 feet upstream and downstream of the crossing. vii. Locate and survey borings, channel material and geometry, and extra cross- sections at the request of the City. Locations of cross-sections will require pre- staking by the City or City's Engineer prior to survey. b. Erosion/Sedimentation Control: KIMLEY-HORN will develop erosion and sedimentation control measures to be included in the plans and details. Additional coordination is included to combine the necessary erosion control measures required for the wastewater construction with any erosion control measures that overlap from the Sessom Creek Bank Stabilization Project. c. Traffic Control: KIMLEY-HORN will provide standard traffic control details for construction of the improvements. A detailed traffic control plan will be developed for Sessom Drive at the LBJ Intersection. d. Permitting i. Texas Commission on Environmental Quality (TCEQ) Storm Water Permit: KIMLEY-HORN will prepare and submit a TCEQ Stormwater Pollution Prevention Plan. ii. City of San Marcos Permits: KIMLEY-HORN will prepare the tree counts, floodplain permit, and street cut permits for contractor use during construction and submit to the City prior to construction. e. Notifications: 2