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I 1 Division 2 1 2 Earthwork 3I 4 2-02 REMOVAL OF STRUCTURES AND OBSTRUCTIONS 5 6 2-02.1 Description I 7 Section 2-02.1 is supplemented with the following: 8 9 (February 17, 1998 City of Everett GSP) 10 The work shall consist of the removal and disposal of various existing improvements, such 11 as pavements, structures, pipe, curbs, curb and gutter, gutter and other items necessary for 12 the accomplishment of the improvement. I 13 14 All work done with asbestos-cement pipe shall conform to the "Recommended Standard 15 Asbestos-Cement Pipe Work Practice Procedure and Training Requirements," latest edition, I 16 as published by the American Water Works Association, Pacific Northwest Section. 17 Asbestos-cement pipe shall be removed and disposed of in accordance with the practices 18 specified by the State of Washington Department of Ecology and the Snohomish County I 19 Solid Waste Division. 20 21 2-02.3 Construction Requirements 11122 Section 2-02.3 is supplemented with the following: 23 24 Removal and Disposal of Unanticipated Potentially Hazardous or 25 Contaminated MaterialI 26 No specific areas of known contamination were identified within the work area during the pre- 2 7 design investigation; however, hazardous or contaminated material may be encountered 28 during ground disturbing activities associated with this project. Areas of the Port of Everett 29 (POE) site that have been subject to cleanup actions are adjacent to portions of the project 30 alignment, and areas of potential soil contamination identified adjacent to the POE site areas 31 are identified in the Drawings. A Hazardous Material Discipline Report has been prepared I 32 for the project which outlines the history of adjacent cleanup actions and potential 33 contaminants. This report is available from the Engineer upon request. Subsequent testing 34 of soils within the work zone adjacent to the POE site indicated that the concentrations of 35 contaminants associated with the POE site are below cleanup levels.The results of the onsite 36 sampling are included in Appendix H of these special provisions. 37 38 During project construction, the Contractor shall notify the Engineer immediately if evidence 39 of potentially hazardous or contaminated material is discovered or suspected through 40 observations such as an oily sheen or discolored soils that may or may not emit strong 41 chemical odors. In the event that potentially-contaminated soil is encountered, the I 42 Contracting Agency will perform all sampling and testing of suspected hazardous or 43 contaminated material. 44111 45 Potentially Hazardous or Contaminated Material 46 Previous investigations in the project area, and/or historical operations indicate the potential 47 for contamination by heavy metals (arsenic, chromium, lead); total petroleum hydrocarbons 11148 (TPH) in the gasoline, diesel and oil ranges; benzene, toluene, ethylbenzene, and xylenes 49 (BTEX); semivolatile organic compounds (SVOCs), including polycyclic aromatic WEST MARINE VIEW DRIVE UTILITIES PAGE 73 OF 117 August 2018 WORK ORDER#3588 SPECIAL PROVISIONS