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6.1.E. - Page 49 <br />b. Automatic, manual and remote control options for pump output volume <br />c. Peristaltic pump injection <br />i. Positive displacement, peristaltic type tubing pump with brushless variable <br />speed motor, non -spring loaded roller assembly in the pump head, integral tube <br />failure detection system, and flexible tubing with attached connection fittings. <br />ii. Specifications: <br />1. Repeatability: +/- 1 percent <br />2. Accuracy: +/- 1 percent <br />iii. Pump is equipped with a touch -screen display for menu driven configuration <br />settings, pump output value, service alerts, tube failure detection system <br />alarms, remote input signal values, tubing life timer value, stop/start, <br />configuration menu access and navigation, operating mode selection, auto <br />priming, and reverse direction. <br />iv. Pump warranty will include chemical damage to the pump head and roller <br />assembly <br />d. Minimum secondary containment of 9 gallons <br />e. UV protected, chemical resistant containers and parts <br />f. All applicable parts must be stainless steel, Type 316 preferred <br />g. Chemical containers must provide a minimum 30 -day supply of chemical based on <br />water storage volume and anticipated dosing rate <br />h. Enclosure must be made of weatherproof material and parts <br />D. Integrated Smart Controller <br />a. Analyzes data from water quality monitoring station and controls the response from <br />the chemical feed system <br />b. Maintains uniform and consistent water quality at the programmed disinfection level <br />c. Built-in alarm management system <br />i. Sends automated alerts for any irregularities <br />ii. Controls automated response (system shut down) <br />d. Data is recorded and easily available for download <br />e. Manual and automatic modes <br />i. Auto Mode: chemical dosing occurs automatically based on adjusted set -point <br />and control parameters <br />ii. Manual Mode: user can start and stop chemical dosing manually <br />f. SCADA interface compatible: <br />i. 8 analog output (4-20 mA or 0-10 V) <br />ii. 8 digital relay <br />iii. Modbus TCP or serial RS -485 communication <br />g. Equipped with emergency shut -down switch for shutting off power in an emergency <br />h. Communication requirements: <br />i. Ethernet based access to PLC and HMI software from computer or smartphone <br />within the same network <br />i. Enclosure must be made of weatherproof material and parts <br />ADMINISTRATIVE REOUIREMENTS <br />NOTICE INVITING BIDS <br />2016-2017 RECYCLED WATER TANK WATER QUALITY CONTROL SYSTEM 12 of 16 <br />