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

As of 5/12/2021, project has been rejected. Work consisting of furnishing all materials, labor, and equipment required for installation of concrete tunnel plugs at the east and west ends of a section of the Thorn Creek Diversion Tunnel (Diversion Tunnel); installation of mass concrete fill east of the east tunnel plug; tunnel lining and contact grouting in the Diversion Tunnel from approximately Station 135+86.40 to Station 136+33 (Contract 77-235-BF stationing); removal of the rock plug in the upper Thorn Creek Connection Tunnel (Connection Tunnel); tunnel lining and contact grouting in the Connection Tunnel from approximately Station 2+07 to Station 0+00 (Sta. 135+86.40 in Contract 77-235-BF); and removal of concrete and metal components, loose rock, sediment, and vegetation at the Thornton Transitional Reservoir (TTR) Diversion Tunnel Portal, within the Diversion and Dewatering Tunnels, and within the TTR. Also within the TTR, removal of the existing concrete haul tunnel plug. Work also includes demolition inside the cone valve dewatering chamber, including the removal of four (4) 42 diameter knife gate valves, two (2) 42 cone valves and spool pieces, and the hydraulic power unit and its appurtenances, along with removal of all conduits, cables and other live utilities from the control room (elevation +27.5) to the valve chamber (elevation -252.3); sealing a 42 dewatering pipe with a DIP blind flange and replacing a cone valve with a 42 DIP pipe; The Dewatering Chamber and Valve Shaft shall be sealed shut at the access point in the control building; installation of backflow preventer on the 42 dewatering outlet pipe inside the Construction Shaft; removal of two (2) electrical cabinets along Vincennes Road; removal of existing swing gate at northwest corner of the Thornton Composite Reservoir (TCR) and replacement with new chain link fencing and posts; Repairs to rockfall netting at approximately nine (9) locations along the TCR north highwall access ramp; Removal of rock and sediment debris at the bubbler intake adjacent to toe of TCR north highwall; Installation of reservoir level measurement equipment at the TCR; Work at the 30-ft diameter TCR Construction Shaft includes concrete liner repairs; Work at the TCR Construction Shaft and Gate Shaft includes installation of the 13,500 CFM odor control systems for the Construction and Gate Shafts including carbon filters, in-line fans with 25 HP motors, and associated ductwork between carbon filters and shaft covers; Installation of stainless steel covers, with safety air pressure relief dampers, above the 63-ft diameter gate shaft and the 30-ft diameter construction shaft; Construction of concrete pads for odor control equipment; Furnishing and installing conduit, cable, starters, breakers, etc. and tie-in to the existing electrical distribution system and tie-ins to the existing control architecture for the odor control system; and performance of other work as specified in the Contract Documents and as shown on the Plans. The estimated cost of the work under Contract 15-266-4H4 (Re-Bid), is between $14,598,000.00 and $17,671,000.00. The Project Manager for this contract is Brian Wawczak. The Metropolitan Water Reclamation District of Greater Chicago reserves the right to reject any or all proposals.