Agenda - Council - 10/08/2019 - Laserfiche WebLink

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ADDENDUM No. 1 Request for Proposals Analyze Source Water, Develop Water Model, and Prepare Preliminary Design Report for Centralized Water Treatment Facility September 10, 2019 TO ALL BIDDERS: The Request for Proposals (RFP) to Analyze Source Water, Develop Water Model, and Prepare Preliminary Design Report for Centralized Water Treatment Facility was modified September 10, 2019 to address questions received to date. Bullets summarizing the modifications are listed below. • The modified RFP is dated September 10, 2019. • Bidders must acknowledge receipt of Addendum No. 1. See item 8 of the Other Requirements section in the RFP. • Addenda will not be issued after 3:00 p.m. on September 16, 2019. Questions received after this time will not be answered, regardless of format. See item 9 of the Other Requirements section in the RFP. • Bidders are not required to explore surface water supply options. The City is currently studying the feasibility of implementing a regional surface water supply system in the Northwest Metropolitan area. This study is anticipated to be complete in early 2020. • A WaterCAD municipal water distribution model was developed by Bolton & Menk in 2013. The model was last updated in 2016, is approximately 95% complete but includes all towers and wells, and was not set up to be dynamic. The model will need to be reviewed, updated and calibrated using field test results. The model will be available to the selected consultant, upon request. • The delivered municipal water distribution model must be complete, calibrated, dynamic, and GIS based. See item 2.a of the Special Requirements section in the RFP. • The City has fire hydrant flow rate records for approximately one -percent of hydrants. • The City has one 10-inch water supply inter -connect with the City of Anoka. No other inter -connects are planned at this time. • The City maintains water quality data records from all municipal wells. The Minnesota Department of Health also maintains copies of these records. These records will be available to the selected consultant, upon request. Additional water quality sampling and testing is NOT a requirement of this RFP.