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�.�(I i iirnu:l�,n�� i R<��urJSr�:�,anhrr 7:, ?01.' <br /> . , l;rrrci7 q'a,lunglor� _._____ _ _ -__ liG1 Prolrcl Nn .'O!/-177 <br /> wmpactcd stn�clinal fill usc will dcpcnd on thc grndalion ond moistmc coutcnt of the soil �vhcn <br /> il is plxccd. As thc amount of tincs (lhet poriion p�ssing thc US No. 2U0 sicvc) incrcascs, soil <br /> hccomes incrcasingly scnsitivc to stnall changcs in moislurc eontcnt and adcyuatc compactiun <br /> bccomes more difficult or impossiblc lo achicvc. Soils containing more dian abnut tivc percent <br /> fines cannot be ccnsistenUy compaded m a densc, non•yielding condition �ehen the mois(mc <br /> contcnt is morc than two pcicent aboee or below optimum. Optimum moisturc coutcnl is th:�t <br /> moisturc wl�ich resul;s in Ihe greatcst cmnpacted dry density with a specificd compaciivic efToit. <br /> Nun-organic 5iie sails arc only considcrcd suitablc for sdvdurxl fill provided lhal Iheir moistuic <br /> cuntent is witliin about two perccnt o(the optimum moisture Icvcl as detcnniued by the ASTM <br /> U1557 lesl. Priar to use, a RGI represemalive sliould obscrve :md Icst aU malcrials importcd tu <br /> thc sim for use ns shuctural fill. Pixcmcnl and compxtion of struclura) fill should bc ohscrvcd <br /> by RGI. A representative number o( in-place density lests should be performcd as �hc fill is <br /> bcing placcd�o conGim that thc rccommcnded Icvcl ofcontpiclion is aehicvcd. <br /> CUT AND FILLSLOPfS , <br /> :111 permancnt cut and fill slopes shouid be gradcd wilh � finished inclinaiion no creater than ; <br /> 211:1 V. Upon complction of consiruction, thc slepe facc should be trackwalked,compazted miJ <br /> cegetnted, or provided with other physical nuans to guard against crnsion. All fill placed for <br /> slope couslruction should meet d�c suuctural lili requircmcnls dcsaibcd abovc. <br /> I'1118I gfit(ICS J� II1L' IO� OI UIC SIOf1B5 IOIItiI �)I OI11DIl' SUf�BCC (II:111105'C .ncay Gan lhc slnpe cresl. <br /> \1'aicr must nm 6c allowcd io flow iu an unconlrollcd fashion ovcr �hc slopc face. If it i� <br /> ncccssarv to dircc� sw{acc runoff to�vards ihc slopc, ii should bc controllcd at thc top of thc <br /> clope,piped in a closcd conduit installeA on ihe slope face, and taken to an apprnpiiate point of <br /> dischargc bcyond the toc of�hc alopc. <br /> R'c trust this infnmiation mee�s yom'current nceds. Please call us i(you h;�vc any qucstions or <br /> nccJ addilion�l information at (4'.5)415-05�I. <br /> tiinccrcly, <br /> Puc Ru.ev Ctto�r,inc. \��n+neir WF <br /> .q�y��`�n.,:lsrr�t�.^r�n <br /> .Y �r ��,� .:� y <br /> h i� <br /> � �. �Y <br /> ���� J � / �p 3)In2 . <br /> / �(/[/Z , sj. !' �s7rat�C,`?�' <br /> Kristina M. 11'cllcr,P.f SS��N���r 9�-y1�Z <br /> Scnior Projcct Gnginccr <br /> Attaclimcnts: figurc 1 Gcology I31ock \Vall Dc�ail I <br /> TIf}: RILF:Y GROUI',INC II <br /> I <br />