(PW#22-001T) Seattle: *ADDENDA 1-3* Environmental Remediation Construction - Unit Priced Contract 2. PROJECT DESCRIPTION: Work under this Contract entails remediation of City Light properties that have been characterized to have contaminants present at concentrations exceeding regulatory thresholds. Typical contaminants include pesticides, metals, hydrocarbons and PCBs. The bulk of the required remediation work includes excavation and transportation of contaminated soils or materials. Some locations may require soil removal via air knife/vactor methods for preservation of large vegetation and trees or adjacent structures/facilities. Other work will include site preparation, erosion and stormwater control, traffic control, hauling and disposal, backfill and site restoration.
*Bid specifications not available for past bids.
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