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CITY OF EVERETT SPECIAL PROVISIONS <br /> 1 <br /> A preliminary geotechnical evaluation was completed and is summarized in the "Subsurface <br /> Exploration, Geologic Hazards and Geotechnical Engineering Report", Northwest <br /> Stormwater Improvement Project, Everett, Washington. <br /> A copy of this report is available upon request. <br /> The following table illustrates sampling results for lead and arsenic taken this past August. 1 <br /> Results are based on 18-inch depth composites. Sampling locations are noted on the plans. <br /> Sample Sample Address Lead (mg/kg) Arsenic (mg/kg) ' <br /> No. <br /> 1 2515 5th St 3.37 2.95 ' <br /> 2 2321 5th St 4.20 4.85 <br /> 3 2201 5th St 10.90 9.79 <br /> 4 520 Waverly Ave 2.98 3.95 <br /> 5 704 Waverly Ave 8.27 6.26 <br /> 6 720 Waverly Ave 3.89 4.09 <br /> The following information is included in the appendices to the specifications: ' <br /> PSCAA Air Quality Excerpts (Appendix D) <br /> Environmental Soil Sampling Maps (Appendix F) ' <br /> All regulation by these and other governing agencies in their most current version are <br /> applicable throughout this project. When there is conflict between this specification and <br /> federal, state or local regulations, the more restrictive or stringent requirements shall prevail. <br /> This section refers to many requirements found in these references, but in no way is intended <br /> to cite or reiterate all provisions herein or elsewhere. It is the contractor's responsibility to <br /> know, understand, and abide by all such regulations, guidelines, and common practices. <br /> 2-10.2 Vacant <br /> 2-10.3 Construction Requirements <br /> 2-10.3(1) Notification <br /> Notify the City and residents five working days prior to excavation in each City block <br /> within the Community Protection Measures Boundary. <br /> 2-10.3(2) Soils Handling Requirements within the Community Protection <br /> Measures Boundary <br /> Excavation of the upper level of existing soil material within 2 feet of the existing <br /> ground surface is referred to as Zone A Material. The excavated existing soil material <br /> below 2 feet from the existing ground surface is referred to as Zone B Material. <br /> Detail A and Detail B on Drawing D2 of the Contract Documents provides additional <br /> information on the definitions of Zone A and Zone B material. <br /> A figure labeled "Trench Excavation and Backfill Decision Tree" is included at the end <br /> of this section to assist the contractor in planning for soils management. , <br /> 1. Zone A Material <br /> Water Main Improvement"U" Division 2-EARTHWORK October 1, 2019 <br /> WO No.-UP3698 SP-140 <br />