4020 COLBY AVE Geotech Report 2018-01-02 MF Import

' -' � , Ea�th .,� Consultants I�nc. Ccotechnipl En�lnter�,Geolo�bn (f Environmcntaf Sclentbn December 21 , 1JS7 E-3G7G McDonald's Corporation 2700 Northup Way Bellevue, Washington 98004 Attetition: Ms. Lesley Buck Gentlemen: We are pleased to submit herewith our report entitled �'Geotechnical Engineering Study, McDona2d's Restaurant, 41st St.reet Southeast and Colby Avenue, Everett, Washington" . This report presents the results of ouz� field exploration, laboratory tests, and engineering a.na- lyses. The purpose and scope of our study was outlined in uur proposal dated hovember 24 , 1987 . �:xecutive Summarv The site is to be excavated ten (l0) to twelve (12) feet, to the eievation of Colby Avenue near the southeast corner of the property. our study indicates that the soils at planned grades consist of medium dense to dense sand and very dense till-type soils. The structure may be supported on competent native soi]s foun3 at foundation grades. Floor slabs and paved areas should be placed on at least one foot of recompacted native soils or imported structural fill. The native soils can be used as structural fill during dry weather. This report has been prepared for specific application to this project in accordance witi� generally accepted geotechnical engineer- ing practices for the exclusive use of McDonald's Corporation and their representatives. No other warranty, expressed or implied, ;s made. We recommend that this report, in its entirety, be included in the project contract documents for the information of the contractor. The following sections of this report describe our study and contain recommendations regarding foundatinn design criteria, earthwork considerations, and siCe drainage. �BOS�136ih Place N.L,Swlo 101,Bellevuo,Washington 90005 �ellevua(206J 64�3780 Seattle(206)464�1584 222 E.2Gth Street,Suito 103.PO.Box 1117LA,Tar,oma,Washington 98d11�9998 Tacome(206)272b608