2026-09 RFB 2026 Special Provisions.pdf

SP-1

2026 SOIL HAULING, DISPOSAL, &

MOBILIZATION OF CONTAMINATED SOIL

SPECIAL PROVISIONS

"2026 SOIL HAULING, DISPOSAL, & MOBILIZATION OF CONTAMINATED SOIL”

1. SCOPE OF WORK

The work under this proposal "2026 SOIL HAULING, DISPOSAL, & MOBILIZATION OF CONTAMINATED SOIL” consists of loading petroleum, metals, solvent, and solid waste-contaminated soil and trucking to a WDNR-approved bioremediation and landfill facility, including the GFL Hickory Meadows Landfill, LLC Site in Hilbert, Wisconsin, Waste Management Ridgeview Security Landfill in Whitelaw, Wisconsin, Outagamie County Landfill or Brown County South Landfill. The contaminated soil will most likely be stockpiled near the following locations in Green Bay. See projects listed below:

Project #1: Est. 100 Tons, 3 mobilizations (Leicht Memorial Park, 128 Dousman Street) – Petroleum

Project #2: Est. 100 Tons, 3 mobilizations (Shipyard Park) – Solid Waste & Petroleum

Project #3: Est. 1,000 Tons, 2 mobilizations (Arndt Street, Broadway to east termini & Bridge Street, Broadway to east termini) - Petroleum, VOC, Heavy Metals, Industrial Chemicals

Project #4: Est. 1,500 Tons, 2 mobilizations (Howard Street, 12th Avenue to S. Oakland Avenue, and Hazel Street, School Place to Shawano Avenue) – Petroleum

Project #5: Est. 860 Tons, 3 mobilizations (N. Maple Avenue, W. Walnut St. to Mather Street) – Petroleum & VOC

Project #6: Est. 300 Tons, 2 mobilizations (Fourth Street, S. Maple Avenue to S. Broadway) – Petroleum, VOC, and Heavy Metals

Project #7: Est. 42 Tons, 1 mobilization (14th Avenue, Hickory Hill Drive to W. Mason Street) – Petroleum

All work included in this proposal shall be in accordance with the requirements of the "City of Green Bay Standard Specifications and Construction Standards for Public Works Construction," 2024 Edition, 2025 Edition Supplemental Standard Specification”, the "State of Wisconsin, Department of Transportation, Standard Specifications for Highway and Structure Construction," Current Edition, and the following Special Provisions.

City of Green Bay Standard Specifications and Construction Standards for Public Works, Current Edition, are supplemented by these Special Provisions. The City Standard Specifications can be found at https://greenbaywi.gov/796/Engineering.

The State of Wisconsin, Department of Transportation, Standard Specifications for Highway and Structure Construction, Current Edition shall be known hereinafter as the WisDOT Specifications.

All work and material specified, unless otherwise distinctly stated, is to be furnished at the Contractor's expense. Any work not herein specified, which may be fairly implied as included in the proposal, of which the Engineer shall be the judge, shall be done by the Contractor without extra charge.

https://greenbaywi.gov/796/Engineering

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2. SITE EXAMINATION

The bidder is required to examine carefully the work site, the proposal form, plans, specifications, special provisions and contract forms for the work contemplated. It will be assumed that the bidder has investigated and is satisfied as to the conditions to be encountered for performing the work as scheduled, and as to the character, quality and quantities of work to be performed and materials to be furnished, and as to the requirements of the plans, specifications, special provisions and contract. The submission of the proposal shall be considered conclusive evidence that the bidder has made such examination and is satisfied as to all the conditions and contingencies.

When the plans or special provisions contain information relative to subsurface exploration, locations of underground structures, borings, soundings, water levels, elevations, profiles or other investigations, such information represents only the best knowledge of the Engineer and was obtained for design and estimating purposes only. It is made available to the bidder to provide him/her with the same information available to the Engineer, and is not intended as a substitute for personal investigation, interpretation and judgment of the bidder.

The City has endeavored to determine the location of existing utilities in the area of the work and so indicate on the appropriate drawings. The City makes no guarantee as to the accuracy or completeness of such representations. It is understood and agreed that the cost of performing work in the vicinity of existing utilities or reasonably inferable is included in the bid price.

When stated on the plan for Contractor verification, it is the Contractor’s responsibility to notify the Engineer if items do not match plan items.

3. BID QUANTITIES

The quantities listed on the Request for Quotation are for bidding purposes only and may vary once the contract work is under way. No adjustment in the contract unit costs will be made due to any variance between bid quantities and the actual final measured quantities.

4. CONSTRUCTION SCHEDULE

The Contractor shall initially start work on this contract within five days of a written order to proceed from the Engineer. Construction may not commence without permission of the Engineer.

Construction is expected to start in Spring 2026 with completion anticipated by Fall 2026.

Stockpiles of contaminated soils will occur simultaneously.

The contractor must mobilize to the site within 48 hours of each notification by the Engineer that the removal of the stockpiled soil is necessary, unless noted otherwise by the Engineer.

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5. CONTAMINATED SOIL

A. General:

The City’s environmental consultant will perform appropriate tests to identify the contaminated soil for the landfill.

The Contractor shall be responsible for the removal and disposal of all contaminated soil stockpiled at the project site.

B. Handling and Disposal of Contaminated Soil:

The Contractor shall load, haul, and dispose of currently separately stockpiled petroleum-contaminated, metal/lead-contaminated, solvent, and solid waste-contaminated soil to the GFL Hickory Meadows Landfill, LLC site in Hilbert, Wisconsin, Waste Management Ridgeview Security Landfill in Whitelaw, Wisconsin, Outagamie County Landfill, or Brown County South Landfill to dispose of the petroleum, metal/lead, solvent, and solid waste-contaminated soils for this project. The tipping fees will be paid for by the City of Green Bay directly. Contractor costs will be paid for on a per ton basis of material loaded and hauled to the landfill as measured at the landfill. (Price shall not include associated tipping fees.) In addition, contractor will be paid for mobilization to the site each time they are contacted to remove stockpiled material.

The contractor shall maintain existing polyethylene sheeting upon the contaminated soil at the end of each workday. The polyethylene sheeting shall be placed, overlapped and secured in a manner, which will prevent the contact of contaminated soil with surrounding and underlying uncontaminated ground. The polyethylene sheeting furnished by the Contractor or existing on the stockpile shall be free of punctures and have a 6-millimeter minimum thickness. Maintenance or replacement of the polyethylene sheeting shall be considered incidental to the contract.

The stockpiled contaminated soils will/may consist of a number of separate stockpiles that require to be maintained and hauled separately.

C. Method of Measurement.

Transporting contaminated soils to the landfill shall be weighed at the landfill for total tonnage delivered.

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D. Basis of Payment.

1. The stockpiled contaminated soils shall be loaded and trucked to a WDNR licensed landfill. The City of Green Bay currently has an agreement with GFL Hickory Meadows Landfill, LLC in Hilbert, Wisconsin, Waste Management Ridgeview Security Landfill in Whitelaw, Wisconsin, Outagamie County Landfill, or Brown County South Landfill to dispose of the petroleum, lead, solvent, and solid waste-contaminated soils for this project. The tipping fees will be paid for by the City of Green Bay directly. Contractor costs will be paid for on a per ton basis of material loaded and hauled to the landfill as measured at the landfill. (Price shall not include associated tipping fees.) In addition, contractor will be paid for a mobilization to the site each time they are contacted to remove stockpiled material.

2. Contractor shall maintain polyethylene sheeting membrane cover at the close of each work day, which cost is incidental to the contract.