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Table of Contents <br /> 1 Introduction............................................................................................................... 6 <br /> 1.1 Water Treatment Overview ................................................................................6 <br /> 1.2 Water Sources, Flow Rates and Collection........................................................ 6 <br /> 2 Water Treatment System Design and Components.................................................. 7 <br /> 2.1 Chitosan Enhanced Sand Filtration System....................................................... 7 <br /> 2.1 .1 CESF Pump................................................................................................. 7 <br /> 2.1 .2 Water Quality Monitoring Box...................................................................... 7 <br /> 2.1 .3 Sand Media Filter ........................................................................................ 8 <br /> 2.1 .4 CESF Discharge Point................................................................................. 9 <br /> 3 CESF System Operation and Maintenance............................................................ 10 <br /> 3.1 System Installation and Start Up...................................................................... 10 <br /> 3.1 .1 Installation of components......................................................................... 10 <br /> 3.1 .2 System Shake Down and Pressure Testing .............................................. 10 <br /> 3.2 Normal Operation............................................................................................. 10 <br /> 3.2.1 Treatability Testing .................................................................................... 10 <br /> 3.2.2 Chitosan/ Chemical Dose Rate Calibration................................................ 11 <br /> 3.2.3 pH Neutralization ....................................................................................... 11 <br /> 3.2.4 Treatment System Operation Sequence.................................................... 11 <br /> 3.2.5 Alarm Conditions and Response ............................................................... 12 <br /> 3.2.6 System Shutdown...................................................................................... 12 <br /> 3.3 Data Management and Reporting .................................................................... 12 <br /> 3.3.1 Daily Treatment Logs................................................................................. 12 <br /> 3.3.2 Automatic Data Logging ............................................................................ 13 <br /> 3.4 Maintenance, Emergency Prevention and Safety ............................................ 13 <br /> 3.4.1 Freeze Protection ...................................................................................... 13 <br /> 3.4.2 Storage Tanks and Connection Lines........................................................ 13 <br /> 3.4.3 CESF Pumps............................................................................................. 13 <br /> 3.4.4 Water Quality Monitoring Box.................................................................... 14 <br /> 3.4.5 Sand Media Filter Unit............................................................................... 14 <br /> 3.4.6 Connection Lines and Hoses..................................................................... 14 <br /> City of Everett <br /> EVERETT Reviewed for Permit 10/20/2021 4 <br /> WASHINGTON <br />