Johnson County Ionwave #2026-011 Addendum 1

Lagoon Biosolids Clean Out Services for Mill Creek Regional Wastewater Treatment Facility

Johnson County, Kansas is seeking a contractor to provide Lagoon Biosolids Clean Out Services for the Mill Creek Regional Wastewater Treatment Facility (WWTF) in Shawnee, KS, with potential for additional projects at other county wastewater sites. - Government Buyer: - Johnson County, Kansas (Purchasing Division and Wastewater Department) - Main facility: Mill Creek Regional Wastewater Treatment Facility (WWTF) - Products/Services Requested: - Cleanout, transport, land application, sampling, analysis, documentation, and reporting of Class B biosolids (stabilized municipal sewage sludge) from lagoon cells - Estimated 4,500 to 7,000 dry tons of biosolids to be removed in year 1 (primarily from Cells 3 and 5) - Land application to agricultural fields, with contractor responsible for securing a minimum of 500 acres (preferably in Johnson County or adjacent counties) - Analytical testing for metals, nutrients, and pathogens (compliance with 40 CFR 503 and Kansas Department of Health and Environment regulations) - Farmer outreach and environmental compliance reporting - Road repair at facility as needed and on-site superintendent required during operations - Coordination with county staff for deodorizing misting and other operational needs - Detailed documentation and annual/seasonal regulatory reporting - Unique/Notable Requirements: - Contractor must secure all necessary permits and land application agreements - Compliance with federal and state biosolids regulations (including Vector Attraction Reduction requirements) - Participation in a mandatory pre-proposal virtual meeting and site visit - Contract may include 1-2 additional biosolids projects at other county wastewater locations over a potential five-year term - No specific OEMs or commercial product part numbers are referenced; the procurement is for specialized environmental services rather than equipment.

Description

This Request for Proposal (RFP) seeks a General (Prime) Contractor to manage the cleanout, transport, land application, sampling, analysis, documentation, and reporting of Class B biosolids (stabilized wastewater treatment sludge) from lagoon cells on an as-needed basis. The primary location is the Mill Creek Regional Wastewater Treatment Facility (WWTF) in Shawnee, Kansas, with potential projects at other Johnson County locations. The contract includes mandatory pre-proposal virtual meeting and site visit, and requires compliance with specified permits, insurance, and operational standards.

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