1401 MERRILL CREEK PKY #14 2016-01-01 MF Import

GEOENGINEERS ,;� �� �__ /-�r_ �- :J - December l,2006 FF Development L.P. 19401 -40th Avenuc West, Suite 280 Lynnwood, Wazhington 98036 Attention: Richard Craigcr �� Subject: Summary Letter �-�' ) Geotechnical Construction Observation-Building Nos. 10 a d 12 ttirough 15 Thc Millington at Mcrrill Creek Everctt, Wazhington File No. 7630-004-03 INTRODUCTION This letter presents a summary of our geotcchnical construction observation services for Building Nos. 10 and 12 through I S of The Millington at Merrill Creek located in Everctt, Washington. We have provided geotechnical construction observation services for the entire project but only the construction observations completed for Duilding Nos. 10 and 12 through I S located within Pod 2 are presented in this letter. We previously provided four summary Ietters,the first dated July 12,2006 for Building Nos.2 and 19, the second dated July 21, 2006 for buildings 3 and 4, the third dated August 30, 2006 for Building Nos. l, 5 and 6 and the fourth dated October 26, 2006 for Building Nos 7, S, 9 and 1 I. We will provide separate letters that will summarize our construction observations completed for the other buildins.s and areas of the project. The geotechnical aspects azsociated with conswction of Building Nos. 10 and 12 through 15 included soil beazing�erification and structural fill material characteristics,placement and compaction verification. SUMMARY Based on our observations, it is our opinion that the construction activities at Building Nos. 10, 12 through 15 observed by GcoEngincers were completed in general accordance with our recommendations, and the project plans and specifications. OBSERVATIONS We visited the site on a full time basis on 7 occasions behveen July 19, and July 28, 2005 (rcfer to field rcport Nos. 24 through 31) during thc mass grading period and completed I site visit on August 3, 2006 (refer to field report No. 35) to evaluate compaction of the fill placed within the Pod 2 aresf where Building No. 10 and 15 are located. Duilding Nos. 12 through 14 are located in a cut area within Pod 2. We completed intermittent site visits on 12 occasions behveen September 6, 2005 and May 10, 2006 (refer to field report Nos. 57, 58, 67, 76, 112, 1 I4, I I5, 125, 126, 136, 139 and 140) to evaluate the footing subgrade soils within Building Nos. 10 and 12 through 15. Qackfill placed to support the upper ticr of building slab was a��aluated on 13 occa,aions between November I8, 2005 and April 27,2006(refer ro field report Nos. 93 through 97, 10I, 102, I27, 129, 130, 132, 133, and 137). A complete set of field Fan65cicnce�TeMnoloQ� 600 SI�wnI 51ntl trMtM^� ��0.2l71 Snll� 1700 I.n�n�k 206.77C8732 Snttb.WA 98101 wee.ne w�w.t�eutioun.oaw