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**Item 3.3.** <br /> <br /> Howard R, Green Qompany <br /> QONSULTING ENGINEER8 <br />April 19, 2000 <br />File: 810110J-0060 <br /> <br />Honorable Mayor and City Council <br />City of Elk River <br />13065 Orono Parkway <br />P.O. Box 490 <br />Elk River, MN 55330-1900 <br /> <br />RE: GRIT CLASSIFIER REPLACEMENT- WWTP <br /> <br />Dear Council Members: <br /> <br />Several years ago when the wastewater treatment plant was upgraded, the grit classifier was <br />not replaced. At that time, it was determined to have several more years of useful life. Gary <br />Leirmoe, wastewater treatment plant operator, has recently been experiencing problems with <br />the grit classifier and has spent a substantial amount of time trying to maintain that piece of <br />equipment. Therefore, it was determined that it is the appropriate time to bid the replacement of <br />this equipment before a catastrophic failure throws the treatment plant out of compliance with its <br />MPCA permit. Gary has worked with a local supplier of this type of equipment to determine <br />which make and model would most appropriately work at the wastewater treatment plant. We <br />have recently prepared bidding documents for contractors to supply the equipment and install it <br />in the wastewater treatment plant. Bids were opened on Monday, April 17, 2000. There were a <br />total of three bidders. The following list provides the bidder and their total bid: <br /> <br />Gridor Construction <br />Madsen Johnson Corporation <br />NewMech Company <br /> <br />$46,400 <br /> 58,600 <br /> 83,500 <br /> <br />The Iow bid provided by Gridor Construction is a very good competitive bid, considering that the <br />cost of the equipment itself is approximately $28,000. Therefore, we would recommend award <br />to Gridor Construction as the lowest responsible bidder. The lead time for ordering this <br />equipment is approximately 10 to 12 weeks, so it is anticipated that the new piece of equipment <br />can be installed and operational at the wastewater treatment plant by mid-July of this year. <br /> <br />If you have any questions regarding this, please call. <br /> <br />Sincerely, <br /> <br />Howard R. Green Company <br />Terry J. l~l,~urer, P.E. <br /> <br />TJM:tw <br /> <br />O:\PROJ\810110j\0060\ltr 4-19-00 Council.doc <br /> <br /> 1326 Energy Park Drive · St. Paul, MN 55108 · 651/644-4389 fax 651/644-9446 toll free 8881368-4389 <br /> <br /> <br />