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32 I Port of Everett—South Terminal Wharf&Electrical Upgrades—Phase 2 <br /> The purpose of our observations is to verify compliance with design concepts and recommendations,and <br /> to allow design changes or evaluation of appropriate construction methods in the event that subsurface <br /> conditions differ from those anticipated prior to the start of construction.Consequently,we recommend <br /> that Hart Crowser be retained to provide the following construction support services: <br /> • Review construction submittals from the contractor related to geotechnical aspects of the project to <br /> verify compliance with the construction plans and the recommendations of this report. <br /> • Observe the installation of new piles to confirm conformance with the geotechnical design <br /> recommendations and the construction plans. <br /> • Monitor and test utility trench backfill. <br /> • Monitor and test pavement subgrade,crushed rock base,and asphalt. <br /> • Provide assistance with any other geotechnical considerations that may arise during the course of <br /> construction. <br /> REFERENCES <br /> ASCE 2010. Minimum Design Loads for Buildings and Other Structures,ASCE Standard ASCE/SEI 7-10. <br /> Boulanger, R.W.and Ziotopoulou, K.,2015. PM4Sand (Version32):a sand plasticity model for earthquake <br /> engineering applications. Department of Civil and Environmental Engineering, University of California at <br /> Davis. <br /> CESMD 2012.CESMD Strong-Motion Data Set.Center for Engineering Strong Motion Data. <br /> http://www.strongmotioncenter.org/cgi-bin/CESMD/archive.pl. <br /> Cetin, K.O, H.T Bilge,J.Wu,A.M. Kammerer, R.B.Seed 2009. Probabilistic model for the assessment of <br /> cyclically induced reconsolidation (volumetric)settlements.Journal of Geotechnical and <br /> Geoenvironmental Engineering,Vol. 135, No. 3, March 1,2009,387-398. <br /> EPRI 1993.Guidelines for determining design basis ground motions. EPRI Tr-102293, Electric Power <br /> Research Institute, Palo Alto,CA. <br /> COSMOS 1997-2007.COSMOS Virtual Data Center. Consortium of Organizations for Strong-Motion <br /> Observation Systems. http://db.cosmos-eq.org/scripts/earthquakes.plx. <br /> Cliq 2006.CPT Soil Liquefaction Assessment Software.V.1.3. <br /> Darendeli, M.B.2001. Development of a New Family of Normalized Modulus Reduction and Material <br /> Damping Curves. Doctor of Philosophy Dissertation.The University of Texas at Austin.August 2001. <br /> 19232-01 <br /> December 6,2017 HII RTCROWSER <br />