Res 2015-051/Professional services contract for design of reclaimed water system expansion

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Attachment A - Scope of Services City of San Marcos Water Reuse System Expansion Project Project Description The City of San Marcos (City) operates a water reuse system that presently serves two industrial customers south of the City. The first phase of the system was designed in 1999, with the design to add the second customer completed in 2011. In 2013, RPS assisted the City and Texas State University (the "University ") in conducting a study of the feasibility of expanding the water reuse system to provide makeup water for the University's four thermal plants, irrigation of city parks, and reclaimed water service to other potential customers to replace potable water demands. The City has received funding for the planning and design of the project through the TWDB Clean Water State Revolving Fund (CWSRF). Per the Request for Proposals (RFP 215 -022), the proposed project includes the extension of approximately 8,300 LF of reclaimed water transmission pipeline to extend service to the University, addition of a high service reclaimed water pump to the existing reclaimed water pump station, and a 105 million gallon earthen storage reservoir located on property adjacent to the City's wastewater treatment plant. The project construction will be phased with the first phase being the reclaimed water transmission main and a hydropneumatic tank to maintain system pressure for the Downtown Improvements irrigation system. Addition of the high service pump and the storage facility will be completed in subsequent phases of construction as funding allows. A Phase 1 evaluation of Aquifer Storage and Recovery (ASR) as an alternative to surface storage will be conducted as part of the project, as will evaluations of reclaimed water disinfection and filtration alternatives. No easements or right -of -way acquisition is required for the project and all project activities will take place within existing public rights -of -way and on city -owned property. RPS has developed the following detailed scope of services to meet the goals and objectives of the project and produce an environmental information document, regulatory permitting, engineering design, and preparation of construction plans and specifications, with assistance through bid advertisement and award. The scope of services is divided into four tasks: Task 1 - Project Management Task 2 - Data Collection and Permitting Task 3 - Preliminary Engineering Task 4 - Final Engineering Design Scope of Work Task 1 — Project Management 13