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Item No. 10G Staff Report No. Meeting Date: March 26, 2001 Type of Business: C.B. WK: Work Session; PH: Public Hearing; CA: Consent Agenda; CB: Council Business City of Mounds View Staff Report To: Honorable Mayor and City Council From: Michael Ulrich, Director of Public Works Item Title/Subject: Consideration of Well Maintenance Bids Date of Report: August 29, 2018 Staff advertised and received bids for preventative maintenance of Well No. 6. The base bids receive are the following: Traut Wells Inc. $30,200.00 Bergerson-Caswell $21,334.00 Alternate items were also requested to be bid. These items were requested prior to the actual removal of the well for inspection, which in turn provides a cost to either perform additional work or replace parts at a predetermined price. This is a safeguard to the City if items such as a bowel section of the pump or entire pump require replacement. Well No. 6 has also had a history of requiring the removal of sand. The department has also been installing electronic well level monitors, which are programmed with the well control system to monitor the changing static and pumping levels of the well. This equipment will be added to the base bid. The remainder of the items are listed, some of which may or may not be required with the project. Mobilizing operations for sand removal $3,500.00 20 yds. Sand Removal $3,000.00 Wire Brush for televising $1,000.00 Pump Bowl section $ 400.00 New Bowl Assembly $5,700.00 Level Monitor $1,800.00 The City is also required by bid documents to pay for the motor maintenance. It is estimated that this expense will be approximately $1,000.00. The base bid, Level Monitor and Motor Maintenance total which is $24,134.00 is the amount that can be determined at this time, all other associated alternates can only be determined following the removal and inspection of the well. Staff budgeted $28,000.00 for this year’s project. It is anticipated that an additional $4,000.00 may be required if the well does require sand removal. The replacement of the entire pump is not a strong possibility, although a section may be a possibility. The decision to remove sand will not be made until the well has been televised and this decision must be made soon after the inspection to avoid further delays and expenses from the contractor. Therefore staff is requesting Council’s authorization to sign change orders up to a total project cost of $32,000.00. The entire project will be funded from the Water Infrastructure Account # 700-4823-5160, with a transfer of any additional funding which may be required from the Water Department Contingency account.