2021/02/17 Council Agenda Packet

SECTION 2 - SPECIFICATIONS 2.1 INTENT The City of Everett seeks a supplier to provide the hauling and land application of biosolids from the City's Water Pollution Control Facility (WPCF) to approved Washington State Department of Ecology (DOE) land application sites. 2.2 BACKGROUND Biosolids are the semi solid products from treating domestic wastewater. Biosolids provide agricultural nutrients and improve the tilth of the soil. Everett typically dredges the WPCF Aeration Cell #2 every other year and stabilizes and dewaters biosolids to produce a suitable product for agronomical land application. The City estimates there to be 7,000 to 8,000 wet tons of biosolids available for loading, hauling and land application. Everett's biosolids meet or are below regulatory limits for heavy metals (WAC Chapter 173-308, Table 3), and is a consistent product with low odor. See Appendix A for the most recent biosolids analytical data for metals and nutrients. In the past, the City's biosolids have been designated by Ecology as Class B material and have been previously used for silviculture, land reclamation, compost, and on agricultural land as a soil amendment. 2.3 SCOPE OF WORK 1. Supplier will load, haul, and land apply biosolids commencing around May 2021. Official start date will be coordinated between City project manager and awarded supplier. Completion of the project must occur before July 30, 2021, unless a later date is approved by the City project manager. A. Biosolids must be hauled and applied to a Washington State Department of Ecology approved land application site, fully permitted by state and local requirements to accept Class B biosolids. B. Application must be in according with Washington State Department of Ecology (Ecology) Site Specific Land application plan or Beneficial Use Facility Plan (BUF), and any conditions required by the local health district. C. Management and application of Biosolids must be managed at agronomic rates in accordance with following Requirements; i. WAC 173-308 Biosolids Management. ii. Washington Ecology Biosolids Management Guidelines iii. Required Department of Ecology approval and permits including coverage under the General Permit for Biosolids and a DOE approved General Land Application Plan (GLAP) or Site -Specific Land Application Plan (SSLAP). iv. Applicable Federal, State, local laws; including complying with 40 CFR 503 and with local county codes. D. Supplier responsible to provide necessary equipment, materials and personnel. i. Supplier will need to provide loader for biosolids at WFCF. b. There are no restrictions for loader size at WPCF. 2. Biosolids are considered Class B — non -exceptional quality biosolids per WAC 173-308. 6