Agenda - Council Work Session - 03/29/2011

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5.0 Construction Contingency Plan Former Oasis Mart RAP /CCP Project SP- 09- 003784A November 16, 2009 Page 6 Unexpected but reasonably foreseeable contingencies may occur during site remediation and construction and include the following: • Underground storage tanks ■ Asbestos - containing materials in the fill, particularly in areas with demolition debris • Unexpected types of contamination • Strong or unusual odors • Discolored soils ■ Unlabelled drums or containers • Unexpected buried or aboveground objects • Workers becoming ill In the event that one of the contingencies listed above or other unanticipated circumstance is encountered, work will stop in the immediate area. Work may continue in other areas as long as they are not impacted by the contingency. The Braun Intertec project manager will be notified and will mobilize appropriate staff to evaluate the contingency and secure the area. The Braun Intertec project manager will notify the MPCA staff and State Duty Officer within 24 hours. If it is a potential emergency, the Duty Officer and appropriate local emergency responders will be notified immediately. Wastes, tanks, drums, containers, etc., will not be reburied. If it is necessary to excavate soils, screening, excavation, stockpiling and sampling will be conducted as discussed in the previous sections, with all stockpiles kept separate from the planned excavation stockpiles discussed in the preceding sections. Anoka County and Braun Intertec representatives will work together to assemble a response team, which will initially consist of the representatives in Section 2.0. The Site Health and Safety Plan used for the RAP will be employed for activities in the CCP. If soil screening and segregation are necessary, the procedures in Sections 5.1 through 5.4 will be followed. If asbestos containing materials are encountered, the procedures in Section 5.5 will be followed.