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CITY OF SANTA ANA EXHIBIT A RFP NO.: 18.052 FLOW CONTROL VALVE MAINTENANCE PROGRAM SCOPE OF WORK Introduction and Background: The City of Santa Ana is located in the heart of Orange County, California and is approximately 27 square miles. The City provides potable drinking water for all of the City's residents and businesses. The City's water production system consists of 22 wells, 4 pressure control stations, 7 Metropolitan Water District connections, 7 water booster stations and 8 reservoirs and 2 sanitary sewer lift stations. Control and monitoring of the water system and sewer facilities is coordinated via the City SCADA system using a series of radios to send and receive data from remote locations to the City Home SCADA control room. Flow and pressure control through the water system is achieved using Cla-Val valves per Appendix A. Description of Work: The City is requesting proposals for the purpose of rehabilitating, replacing and maintaining all Cla-Val pressure control valves within the water production facilities. The contract term shall be for three years with a City option to renew for one additional 2-year term. The Contractor will be expected to hold firm pricing on all contract items supplied for the duration of the contract. Labor Increases shall be subject to mutually agreeable terms between the City and the Contractor. Contractor Responsibilities: 1, INSPECTION/PREVENTATIVE MAINTANENCE (BID ITEMS 1.3) Inspection shall include annual examination of all valves and any pilot valve systems associated with the valves listed in Appendix A. Preventative maintenance shall be performed every 12 months at each valve system in order to elongate the lifespan of the valves and to determine how the operating conditions of the system are affecting the valve. The preventative maintenance inspection shall verify the working condition of the valve. Preventative maintenance should consist of, but not limited to, the removal of lime deposits/mineral buildup from the valve stem and other metal parts, inspection of parts, calibration of settings, maintaining and cleaning the strainers, exercising the valves, checking the pilot tubing for leaks, inspecting pilot disc retainers, and confirmation that the diaphragm assembly is properly functioning. Preferably, preventative maintenance should be accomplished without removing the valve from the line. In addition to preventative maintenance, the Contractor shall, upon request from the City, deploy to any valve and/or pilot valve site and perform a working inspection of the existing valve if the City encounters any valve operational issues. The Contractor shall repair or replace any parts of the valve found to be worn or otherwise in need of replacement. All internal parts of the valve shall be cleaned of mineral deposits prior to reassembly of the valve. When required (typically every 5 years), complete valve