Renovation of a water / sewer project in Woodstock, Illinois. Completed plans call for the renovation of a water / sewer project.

This project shall consist of the removal of accumulated wastewater biosolids in two (2) wastewater treatment cells, the removal of two (2) existing wastewater treatment cell liners, and replacement with two (2) new wastewater treatment cell liners. The Contractor shall be responsible for material inspection required for various items incorporated in this project. Also, all documentation is to be submitted to the Engineer, immediately following completion of this project. Five percent (5%) of the final contract amount due the Contractor will be withheld pending receipt of said documentation. The Contractor shall schedule their work to have all liner replacement and site restoration work completed by November 18th, 2022. Both cells cannot be taken out of service at the same time; the Contractor shall plan their work accordingly so that only one (1) cell is out of service at any given time. Failure by the Contractor to complete the work within this time frame may result in the assessment of liquidated damages. This date is subject to change if an agreement in writing is reached between the Owner and the Contractor. The Contractor shall furnish all materials, tools, equipment, and labor necessary for the removal and replacement of two (2) wastewater treatment system cell liners. The County of McHenry owns and operates a wastewater reclamation and reuse system which include two (2) wastewater treatment cells. The existing treatment cell liners are beyond their useful life and need to be replaced. The work shall include removal of the two (2) existing cell liners and replacing with new. (Refer to FIGURE 1-1 for a Process Flow Diagram.) B. Project Overview: 1. Cell #1 has an approximate holding capacity of 1,027,100-gallons and the liner covers an area of approximately 29,000 ft2. The cell shall be emptied and accumulated wastewater biosolids removed and properly disposed of. The existing liner shall be removed and properly disposed of, and a new liner shall be installed. The approved liner material is reinforced polypropylene geomembrane with a minimum thickness of 45 mils. 2. Cell #2 has an approximate holding capacity of 5,261,000-gallons and the liner covers an area of approximately 104,000 ft2. The cell shall be emptied and accumulated wastewater biosolids removed and properly disposed of. The existing liner shall be removed and properly disposed of, and a new liner shall be installed. The approved liner material is reinforced polypropylene geomembrane with a minimum thickness of 45 mils. 3. The Contractor shall field verify all dimensions. (Refer to FIGURE 1-2 for the Treatment Site Cross Section and FIGURE 1-3 for the Treatment Site Plan.) May 19, 2022 Vendor Questions Answered via Addendum No Later than 4:00PM CST