All questions about the meaning or intent of the Bidding Documents are to be submitted to Engineer in writing. Interpretations or clarifications considered necessary by Engineer in response to such questions will be issued by Addenda provided to all parties recorded by Engineer as having received the Bidding Documents. Questions received less than ten days prior to the date for opening of Bids may not be answered. Only questions answered by Addenda will be binding. Oral and other interpretations or clarifications will be without legal effect. Major components of the Work include: New water treatment plant 2 concrete gravity filters 2 concrete flocculator tanks 2 concrete sedimentation tanks Concrete clearwell Concrete backwash holding tank Process pumps Well pump and motor Chemical feed systems Process piping, fittings, and valves Process instrumentation and controls Concrete and brick masonry Precast ceiling Electrical Standby Generators Mechanical HVAC Painting Water Main Sanitary Sewer Site Work Landscaping Driveway Minimum General Contractor Qualifications: The Bidder shall have experience of successfully completing work on at least three (3) water treatment plant facilities. Of these, the Bidder must have experience of successfully completing work on at least two (2) of these projects in the last 7 years as a General Contractor involving gravity or pressure filters or a lime softening water treatment plant, where the capacity of the facility was equal to or greater than one million gallons per day, and where the work experience includes: earthwork, demolition, concrete, piping, process equipment, welding, coating applications, mechanical HVAC systems, electrical, instrumentation, and control work. The Owner reserves the right to retain the deposits of the three lowest Bidders for a period not to exceed 60 days after the date and time set for the opening of Bids. No Bids may be withdrawn for a period of 60 days after the date and time set for the opening of Bids.The Owner reserves the right to reject any and all Bids, to waive irregularities and informalities therein and to award the Contract in the best interests of the Owner. This Work is being funded by a Drinking Water Revolving Fund Loan through the Minnesota Public Facilities Authority and shall be subject to minimum wages and labor standards in accordance with Minnesota Department of Labor and Industry, State Prevailing Wages for Highway and Heavy Construction. The project also includes DBE and M/WBE goals and is required to comply with American Iron and Steel (AIS) requirements. Bid security in the amount of 5 percent of the Bid must accompany each Bid in accordance with the Instructions to Bidders. A Contractor responding to these Bidding Documents must submit to the City/Owner a signed statement under oath by an owner or officer verifying compliance with each of the minimum criteria in Minnesota Statutes, section 16C.285, subdivision 3. The determination of the low bid for Bid Award will be based on the Sum Total Amount of the Base Bid and all of the Add Alternates. The City reserves the right to award the base bid and any combination (if any) of the Add Alternates as determined by the City to be in its best interest. The City reserves the right to reject any and all Bids, to waive irregularities and informalities therein and to award the Contract in the best interests of the City of Aurora.