DOCUMENT

ITB - Manganese Removal Pressure Filters 2007

  • YEAR CREATED: 2007
  • ENTITY TYPE: City/Township
  • TYPE OF DOCUMENT: BID - ITB, IFB, ITT, RFB
The document is a control system description for a filter system. It is divided into three parts: Part 1 - General, Part 2 - Products, and Part 3 - Execution. In Part 1 - General, the document provides a description of the requirements for programming the programmable logic controller (PLC) provided in the Filter System Control Panel (FCP). It also includes abbreviations used in the document and outlines the quality assurance requirements for the Filter System Manufacturer (FSM) to demonstrate their qualifications and experience. Part 2 - Products is not used in this document. In Part 3 - Execution, the document provides general information about the control system. It states that the FSM will utilize control descriptions, instrumentation drawings, and the 110 list to develop programs for the PLC and Operator Interface Terminal (OIT). The programs will constitute a comprehensive monitoring and control system for the filter system and auxiliary equipment. The document also mentions that the control functions will be accessed and controlled through the plant SCADA system, except for the filter valving control sequence associated with the backwash operation mode. The document further explains that the control descriptions provide the minimum amount of detail for programming the operational modes of control, with emphasis on automatic control modes. The FSM is responsible for extrapolating the general descriptions to fill in the detail for each I/O point, equipment, and system. The OIT will display information based on the Process and Instrumentation Diagrams. The document concludes by stating that programming code and databases will be developed for all I/O listed, regardless of whether they are included in the control descriptions. It also provides definitions for control description terms used in the document. Overall, the document provides a detailed description of the requirements and specifications for programming the control system of a filter system.
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