KLB Construction Inc 11/20/2018 - Laserfiche WebLink

I I1 hydrocarbons (PAHs); and/or polychlorinated biphenyls (PCBs) in soil or shallow 2 groundwater at properties adjacent to the project site. Specifically: 3 I 4 1) Soil contaminated with metals and PAHs may be present adjacent to the project site at the 5 northeast corner of the Everett Shipyard (ESY) site, beneath the sidewalk on the west side 6 of West Marine View Drive, as shown on the Plans ("Potential ESY Residual I 7 Contamination"). Soil samples collected from the proposed trenching zone adjacent to this 8 area by the Contracting Agency found PAHs at concentrations that did not exceed cleanup 9 levels. Material excavated within the area adjacent to the Potential Everett Shipyard Residual I10 Contamination Area, station 208+50 to 209+56, shall be used as trench backfill within the 11 project area to the extent feasible in accordance with the project design and assuming it is 12 geotechnical suitable. Excess soil material excavated from the area adjacent to the Potential I13 Everett Shipyard Contamination Area shall be direct hauled by the Contractor to the City of 14 Everett 4th Street SE Smith Island Stockpile for disposal. All other excavation spoils not used 15 onsite shall be disposed of at the Contractors discretion according to these Special I16 Provisions. 17 18 2) Groundwater contaminated with arsenic has been identified adjacent to the project site at I19 the North Marine ABW Bayside Marine (ABW/BM) site located west of West Marine View 20 Drive and north of 14th Street. Any groundwater extracted adjacent to the ABW/BM site in 21 the area identified on the Plans ("Groundwater in This Area Potentially Affected by ABW/BM I22 Site") shall be disposed of in accordance with the requirements of Section 8-01.3(1)C Water 23 Management 24 I25 Unanticipated Potentially Hazardous or Contaminated Material 26 The Engineer will determine the limits of any excavation required to remove unanticipated 27 potentially hazardous or contaminated material. All material that is designated by the 28 Engineer to be removed shall be managed by staff trained in accordance with OSHA standard I29 29 CFR Part 1910.120 - Hazardous Waste Operations and Emergency Response 30 (HAZWOPER); handled and stored in a manner that prevents the spread of contamination 31 to adjacent soil or water; and shall be direct hauled by the Contractor to the Contracting I32 Agency's Solid Waste Handling Facility (4015 Railway Avenue, Everett) for disposal 33 assuming the waste does not designate as Dangerous Waste under WAC 173-303. The 34 Contractor shall provide the Engineer with a copy of the shipping manifest or bill of lading I35 indicating the amount of material hauled, and confirmation that the Contracting Agency's 36 facility received the material. 37 I38 All unanticipated potentially contaminated water that accumulates in trenches/excavations 39 during construction shall be contained, collected, and disposed of consistent with the 40 requirements of 8-01.3(1)C Water Management. 41 42 2-02.3(2) Removal of Bridges, Box Culverts and Other Drainage 43 Structures I44 Section is 2-02.3(2) is supplemented with the following: 45 46 (February 17, 1998 City of Everett GSP) 47 Where structures or installation of concrete, brick, blocks, etc. interfere with the I48 construction they shall be removed, and all pipe openings shall be properly plugged 49 watertight with Class 3000 concrete, or with mortar and masonry, blocks or brick. 50 Payment therefore will be made in accordance with bid items in the proposal. If, IWEST MARINE VIEW DRIVE UTILITIES PAGE 74 OF 117 August 2018 WORK ORDER#3588 SPECIAL PROVISIONS I