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_ KA Project No. 092-07026 <br /> April6,2Q07 <br /> Pagc No.2 of 2 <br /> Tr.dfic loads wcrc not providcd,l�owever,based on our lmowledge of thc proposed project, wc cxpect th� <br /> lraffic to be rcla�ivcly light, cousisting mostly of p�sscngcr automobiles and delivcry trucks. The <br /> folfowing tablcs show thc recemmended pavemcnt scctions for light to moderate duty usc. <br /> ASPHAL'1'IC CUNCRF,TF.(FLEXIBLF,) PAVF,MEN'f <br /> LI(,H'I'TO MF.DIUM DUTY <br /> E5AL As 6wltic Concrete Aggregate Bsae* Com acted Subgrailc'� "" <br /> 80,000 3.0 in. 4.0 in. — � 12.� in. � <br /> '9S"/ommpaclian hased on ASTMTcst Methad D/557 <br /> •*A proojroll reny bc per�omied in licu oJin p/nre densiry tes�s <br /> POR'CLAIVD CGMENT CONCR�;TE(RIGID)PAVEMF.NT <br /> I,TGHT TO MEDiUM DUTY _ <br /> F.SAL _ Min.PCC De th Com acted Sub rade* ** <br /> R�,000 5.0 in. 12.0 in. <br /> '95"/o conipacrlon hascd on ASTMTest Mc�hoAD1557 <br /> "'A pronjrol(mny be pn/onucd in lieu ojin pincc Jensity lests <br /> T�e Asp6altie Concrete (AC) is bascd on a minimum scrPacc coursc type lsplialt (Washington <br /> Department of'1'ransporiation (WsDOT) %x Incii HMA).The rigid pavemcnt design is bascd on a Portland <br /> Cement Concrete (PCC) mix that has :� 28 day campressivc strength of 4,000 pounds per square inch <br /> (psi). The design is also based on a concrete Flexur.d strength or modulus of rupture of 550 psi. <br /> Wc hope that this letter provides tlte infonnation required at this time. lf you have any questiotis,or if we <br /> may bc of furlhcr assistance,please do not hesitate to contact our office at(425)485-5519. <br /> Kcspcctfully submittcd, <br /> KRAZAN &ASSOCIATI:S, INC. <br /> ?•'<�'"/T^^""""",qw+.. <br /> O <br /> Chris Bchrcns, L. ., .Ii.C. Gopal A. Singam,P.E. I <br /> Senior Enginccring Gcologist Scnior Gcotcchnical Engineer <br /> C�:., w <br /> CII/gs �e°S �h9 <br /> �'� O � <br /> y ` 7 �`t��3/ ' <br /> 'u' <br /> �9 erNyGroloyhl �. O �� <br /> .y <br /> '0 214 . �r��. <br /> P�Sed Geo�°� �`4��NAL�i <br /> CHRIS d. F3ENRCNS ����g ] <br /> Kraznn& Associates,Inc. _ /� <br /> Offices Serving 71ie Wesicm Unitcd Stntcs ���� <br />