Site work for a water / sewer project in North Chicago, Illinois. Completed plans call for site work for a water / sewer project.

The Contractor shall furnish all labor, tools, transportation, supervision, materials, inspections, equipment, and safety compliance necessary to perform all work required to remove and properly dispose of all Zebra Mussels and marine deposits attached to the active Raw Water Intake (RWI) and associated timber crib structure to ensure unrestricted water flow to the Great Lakes Water Treatment Plant. The Contractor shall furnish all labor, tools, transportation, supervision, materials, inspections, equipment, and safety compliance necessary to perform all work required to remove and properly dispose of all Zebra Mussels and marine deposits attached to the active Raw Water Intake (RWI) and associated timber crib structure to ensure unrestricted water flow to the Great Lakes Water Treatment Plant. The RWI consists of a 36-inch diameter pipe that extends 8400 feet from building 12 into Lake Michigan at a depth of approximately 30 feet. The RWI terminates into a three-legged crow's foot design with only one active "Central intake" and two inactive "North" and "South" intakes. Each intake is protected by a timber crib structure that is weighted down with a ballast stone and furnished with a hinged top, to serve as an access hatch. Each timber crib structure surrounds an unscreened 42-inch diameter flared end riser extending vertically from the intake pipeline. The Contractor shall inspect all additional inactive intakes, associated timber crib structures, and the 1925 risers, as well as provide "before" and "after" reports with still photographs, videos, and a detailed itemized estimates for any recommended corrective actions. During interior inspections, the Contractor shall obtain a water sample at each interior location to provide to the Water Treatment Plant (WTP) staff for analyzation. Throughout the entire project, the Contractor shall ensure proper disinfection procedures are used to clean potentially contaminated equipment and materials that may contact the Lake waters. The Contractor shall prepare an Option Bid to be presented to the Government for consideration. The Option Bid shall include the entire scope of work with the addition of "Video Inspection and DVD Recording" of the entire 36-inch X 8400-foot pipeline by a diver or a remote operated vehicle (ROV). PRE-PROPOSAL INQUIRIES (PPIs) Inquiries and questions on this Request for Proposal shall be submitted electronically in writing to Alexandra.k.toth.civ@us.navy.mil or Patriciaann.b.borja.civ@us.navy.mil using the Pre-Proposal Inquiry (PPI) form provided with this solicitation. Please ensure that the PPI form is sent as an Excel spreadsheet, not as a .pdf. All PPIs must be received no later than 03 May 2024 by 1200 CT. It is the offeror's responsibility to verify that PPIs were received by the Government. The estimated cost range for this project is between $250,000 and $500,000. All work shall be accomplished in accordance with the attached statement of work, enclosure, and this Request for Proposal. All work shall be completed no later than 120 calendar days from date of award. *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document.