1231 MADRONA AVE 2016-01-01 MF Import

r . � Genl�yiclnveslirafion and Gealeehnical En¢ineerin¢ Repor! /329 Madrona Ave. - l,u! 7 Grerell, IVashington �� 97-01-20 causing raveling and sloughing of diese surfaces. GES, Inc. should be contacted to provide recommendations if any of the above described conditions are encountered during construction. Excavation and grading should be accomplished in such a manner as to allow continued and controlled drainage !hroughout the site. Drainage controls and use of frenc6 drains should be done in accordence with the recommeudations contained in section 4.6 ofthis report. Loose and/or saturated soil should be removed as necessary under the direction of GES, Inc. and be replaced with 2" to 4" crushed rock. 4.3 Strur.ural Fill , Based on our review of the site p]ans and grades it appears that fill will need to he placed behind the basement walls, below the basement slabs and in front of the southem part of the home in the vicinity of Ithe proposed patio. Cross Sections A-A' & B-B' show the proposed house elevations relative to the e�asting site gades. These cross sections are included in Appe�rdrx F of this report. On-site materials are not suitable for use as Sll/structural fill on Lhis site. The materials appear to be to inhomogenious avd wet for reuse - even during dry weather periods. For fill/structural fill placed on this site we recommend utiliting an imported granular fill consistmg of well graded, free draining, granular soil free of organics and debris. The meterials for gravel bmrow spelled out iu WSDOT Standard Specification section 9-03.14, Grave! Borraw, will meet the requirements except that the gradation shoeld be as follows: Sieve Size 4 mch I/4 incl� no. 40 no. 200 E Percent Passing by Wei ha t(%) 100 25 to 75 Sto25 OtoS GES, Inc. �'