6600 MERRILL CREEK PKY BLDG B SHELL 2016-01-01 MF Import

' JUV 2S '99 15:45 TO-b213213 FROl1•PU,;:T SOUND PRO?ERiiE� T-OA1 P.OSi9B F-153 ' . . 1 The Quadrant Corporation JN 95292 September 28, 1995 Page 4 $tabs-on.G�� Tha building(loors mny be consttucted as slabson-grade atop the compacted fill soils. The su6grade aoila must be in a flrm, no�-yielding contliUon at tha time of stab construclion or underslab fiil placement. Any soh areas encountered should 6e excavated and replacod with select,imported, strudural fill. All slabs�or.�grade should be underlain by a capiqary break or drainage Iey�r consistlng of a minimum 4inch ihiclmess of courss, ireedraining, swcturd flU with a gradaUan aimilar to thal d(acUosed latef if1 Permanent Fo�ndwNe., and p�t ini� 'wlls In af�as WhQra the pasa+�s d moisture throu9h the sieb is undesirabla, a vepor berrier such ea a s-rtal pin�t(o memFxsne ahould bs plaxd beneath the slab. qddlt�u�ally,sand ahould be used�n the ftne-grading procees to nduc� damnge to the vapor bertier, to provide unHotm suppon under the slab, and to reduca shrinlcaga cracking by improving the concrete curtng process, We recommend proof-�ollfng th�slab ereas with a hea�y tn�ck or large pi�ce of conswctfon equlpment prlor to alab conswotlon.Ahy sclt azeas encountere�during proof-roNing should be axcavated and replaced with select, imported, sUuctural fill. P�anent Foundatlon and Retainina We� Rote(nlnp Walls badtfillW on only on� sldo sFwuld b� d�signad to roa�t th� I�terd earth p�assuns impoaed by th�safs they retain. The fdlowing ncontrrwnded design parameters ero for wdls leas than 12 feet in helght ttrat resva�n leVel baeMlll; ' ' Parameter pa�a�$ Active Earth Ptessure• 35 pcf Passiv�Eerth Pressure 350pcf CoeffiCient of FdCtion p,qg Soil Unit We(gh: 135 pcf Whero: (1} pcf IS paunds per cu6ic}eot. (2) Acti�a antl pasnivo o�h proocuro� cre computad using the equivalent tluid denxGes. ' For restrained wdls that cannot deflect at leasi 0.002 times their heigM, a uniform lateral pressure o► 100 psf shouid be added to the above active equivalent fluid pressure. (:IiQ'IP:<'tl<7f7NtiUl:li\�"IS.INC.