Specifications - City of Montpelier, Vermont

Montpelier District HeatingCity of Montpelier, VTIssue Date:September 28, 2012Title:15900 – Direct Digital Control SystemPage #:15 of 401. Operating System. Web server shall have an industrystandard professionalgrade operating system. Acceptable systems include Microsoft Windows 7,Vista, Windows XP Pro, Red Hat Linux, or Sun Solaris.2. System Graphics. Operator interface shall be graphically based and shall includeat least one graphic per piece of equipment or occupied zone, graphics for eachchilled water and hot water system, and graphics that summarize conditions oneach floor of each building included in this contract. Indicate thermal comfort onfloor plan summary graphics using dynamic colors to represent zonetemperature relative to zone setpoint.a. Functionality. Graphics shall allow operator to monitor system status, toview a summary of the most important data for each controlled zone orpiece of equipment, to use pointandclick navigation between zones orequipment, and to edit setpoints and other specified parameters.b. Animation. Graphics shall be able to animate by displaying differentimage files for changed object status.c. Alarm Indication. Indicate areas or equipment in an alarm conditionusing color or other visual indicator.d. Format. Graphics shall be saved in an industrystandard format such asBMP, JPEG, PNG, or GIF. Webbased system graphics shall beviewable on browsers compatible with World Wide Web Consortiumbrowser standards. Web graphic format shall require no plugin (such asHTML and JavaScript) or shall only require widely available nocostplugins (such as ActiveX and Adobe Flash).F. System Tools. System shall provide the following functionality to authorized operatorsas an integral part of the operator interface or as standalone software programs. Iffurnished as part of the interface, the tool shall be available from each workstation orweb browser interface. If furnished as a standalone program, software shall beinstallable on standard IBMcompatible PCs with no limit on the number of copies thatcan be installed under the system license.1. Automatic System Database Configuration. Each workstation or web servershall store on its hard disk a copy of the current system database, includingcontroller firmware and software. Stored database shall be automaticallyupdated with each system configuration or controller firmware or softwarechange.2. Controller Memory Download. Operators shall be able to download memoryfrom the system database to each controller.3. System Configuration. Operators shall be able to configure the system.4. Online Help. Contextsensitive online help for each tool shall assist operators inoperating and editing the system.5. Security. System shall require a user name and password to view, edit, add, ordelete data.DIRECT DIGITAL CONTROL SYSTEMS1597215