Project Description: Installation of a system to allow the City to lower the Lake Hillsboro water surface level to 5' below normal pool for annual maintenance. The system consists of an intake pipe leading to a valve vault which houses a control valve on the upstream face of the dam. From the vault, piping is then directionally bored through the dam embankment. On the downstream face the of them, the pipe can then be trenched and routed to the spillway discharge. The water surface at the time of construction is anticipated to be near normal pool. A cofferdam or other means of dewatering the area of the upstream intake is anticipated for intake pipe installation. The site is on City of Hillsboro property and is accessible for review of existing conditions prior to bidding. Contractor is responsible for familiarizing with the existing conditions prior to bidding. The Illinois Department of Natural Resources has approved the project and no further permitting from them is required. The Owner requires prospective bidders to be pre-qualified with IDOT. Questions prior to bidding should be emailed to jgoodwin@hurst-rosche.com prior to July 27, 2022 at 10:00am. Pertinent questions and responses will be issued to prospective bidders via addendum. Please provide an email address for the bidder's point of contact where any addenda can be provided. The Contractor shall furnish, at its own expense, a surety in the form of a performance bond and a labor and material payment bond in the amount of one hundred percent (100%) of the proposal amount. Surety for such bonds shall be a company duly authorized and licensed in the State of Illinois and acceptable to the owner. The Attorney-In-Fact who signs bid bonds or contract bonds must file with each bond a certified and effectively dated copy of their power of attorney. The Owner reserves the right to reject any or all proposals or any part thereof, to waive any informalities, and to accept proposals deemed most favorable to the owner.
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