Agenda - Council - 03/08/2011 - Special B&C Interviews

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CC Regular Session Date: 03/08/2011 By: MaryJo Warner Engineering/Public Works Title: Report from Public Works Item #: 5. 10. Information Background: Case #5.1 Overview of the Utility Department SCADA System Utility Supervisor Nelson was present to give a demonstration to the Committee on the Utility Department SCADA System. In reference to the water tower the Committee asked how thick the ice could get and staff responded they have heard of ice getting six feet thick, but doesn't think the climate here is cold enough to create ice that thick. It was questioned if there is a constant evolution of the water. Staff explained there is a control that automates this, and demonstrated how the water fluctuates. It was indicated there are alerts built into the SCADA system and there was discussion on the events that would trigger an alarm. Staff also commented there is a manual check daily to be sure there are ample chemicals in the tanks. If there is a chemical leak, the alarm will be set off. The Commission asked what the security override is. Staff responded the system is password protected, and the keys to the pump house are kept by Staff. If this system fails, there is a backup system that will send a notification if there was a computer crash. In addition, there is another computer as backup, it was also explained that if an employee were to leave the City, passwords would be changed. No action taken, for informational purposes only. Case #5.2 Overview of the 2011 Street Maintenance Program The Committee motioned to to recommend that the City Council direct staff to prepare feasibility study for the 2011 Street Maintenance Program and schedule a public open house. The Resolutions Receiving Report and Calling for a Public Hearing on Street Maintenance Improvement projects 11-01, 11-02, 11-03, 11-04, 11-05, and 11-06 are being presented on this meetings consent agenda. Case #5.3 Consider Change Order for City Improvement Project #10-32; 176th Avenue Culvert City Engineer Tim Himmer reviewed in the staff report that staff noticed a section of the roadway along 176th Avenue between Okapi and Marmoset Streets had been eroding and settling over time. On November 9, 2010 Council authorized the award of contract to Dryden Excavating. It was discovered that while the work was being conducted that additional removal and import would be required resulting in a contract overage