WA ST Dept of Ecology 3/15/2022 - Laserfiche WebLink

DocuSign Envelope ID:D137EDD8-37EA-4DA6-8627-255EDC0B496B State of Washington Department of Ecology Page 2 of 24 Agreement No: OTGP-2022-EverPW-00093 Project Title: Everett Smelter Plume(ESP)Cleanup Site Drainage Project Recipient Name: City of Everett the site. This project will contribute to cleanup of the site by preventing contaminated groundwater from entering the drainage system in the City of Everett's Riverside area(approximate project area is Riverside Road in Everett, WA)and gaining direct access to the Snohomish River.In addition,fencing abutting a steep slope will be extended and improved along West Marine View Drive to prevent unauthorized access to a separate contaminated area. The following work tasks will be conducted as part of this grant agreement,including: •Inspection,cleaning and lining of a network of approximately 3,500 linear feet of drainage pipe. o Lining utilized will be cured-in-place pipe technology. •Installation of a tide gate on the outfall pipe. •Replacement,extension or installation of fencing to restrict access to a steep slope with contaminated soils will conducted to prevent unauthorized access to this portion of the cleanup site. Overall Goal: The goal of this work is to reduce contamination from entering the Snohomish River by eliminating a means by which contaminated groundwater would be transported offsite. This project will also limit human contact with contaminated soil on the surface of a steep slope. Template Version 12/10/2020