FROM: James D. Herberg, General Manager
Originator: Lan C. Wiborg, Director of Environmental Services
SUBJECT:
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RIALTO BIOENERGY FACILITY DRYING AND THERMAL CONVERSION CONTRACT - BIOSOLIDS MANAGEMENT
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GENERAL MANAGER'S RECOMMENDATION
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RECOMMENDATION: Recommend to the Board of Directors to:
A. Approve a Sole Source Service Contract to Rialto Bioenergy Facility (RBF) to pilot a biosolids drying and thermal conversion service for approximately 100 wet tons per day at a base fee of $94 per wet ton, plus monthly fuel surcharge, annual CPI (consumer price index) adjustment, and special sampling events at a rate of $3,950 per event (6 events) for targeted Per- and Polyfluoroalkyl Substances (PFAS) compounds. The term of this Contract is for three (3) years with two (2) optional one-year renewals for a total annual amount not to exceed $3,463,095; and
B. Approve an annual contingency of $346,310 (10%).
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BACKGROUND
The Orange County Sanitation District (OC San) continues to actively pursue biosolids management options to maintain a long-term program that promotes beneficial use of biosolids. In accordance with the principles of its biosolids management policy (Resolution No. OCSD 13-03), OC San maintains a diverse portfolio of biosolids management options that utilize multiple contractors, facilities, and biosolid product markets, while maintaining fail-safe, back-up options.
In February 2020, OC San issued a Biosolids Thermal Conversion (BTC) Request for Information (RFI) as recommended by the 2019 Strategic Plan and reflective of the Biosolids Master Plan to seek emerging technologies to create energy from biosolids and further diversify facilities and biosolids product markets. The 2019 Strategic Plan also recognized rising regulatory concerns regarding PFAS compounds.
In April 2020, OC San received five (5) responses to the RFI, of which four (4) had the appropriate operational temperature of at least 400 C...
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