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Gcotedmical 8nginecring Gvr ion <br />4708 Seahurst Avenuc--Carter <br />September 17, 2006 <br />RMI �ile No. 37106 <br />Pagc 6 <br />anci/or foundations should be comp�cted to a densc, non-yielding condition. Areas observed to pump or <br />wcavc, should hc repaired hy ovcr-excavating and replacing with thoroughly compacted granular fill <br />(slniclural fill). <br />'1'empurvr�' and Permancnt Slopes <br />'fempornn' cui-slopc s�abili��� is a fmiction ol m�im taclors. such as the type and consistency of soils, <br />dep�li uf d�e cut. surc6ar�,c londs :idjacent to thc excavation, Icngih of time a cut remains open, and thc <br />prescncc of surl:�cc or ground �c:ucr. It is dil7icult widcr thesc ��ariablc conditions tu cstimalc a st:�blc. <br />temporary, cut-slopc angic. 'I'hireforc, il should be thc respousibility of �lic contractor to maintain safe <br />slupc configuralious sincc Ihc contraclor is continuoush� at ihc,job si�c, nblc In obscrvc thc nnturc and <br />condition of thc cw slopcs, nnd ablc to monitor thc subsurfacc matcrials and ground watcr conditions <br />cncountcred. <br />Por planning purposcs, �+'c recommcnd that icmporary culs in lhc slope soils be no stceper Ihan 1 <br />Horizontal to 1 Vertical (I11: 1V). If ground wa�er were encountered, we would e�pect thet ilatter <br />inclinations �eould be necessnq�. <br />This in(ormation is providM� solely for thc benefit of thc ow�ner aod ot6er design consullanls and <br />should not bc conslrued tu imply that RMI ASSOCIATES LLC rssumes responsibilily for job site <br />safety. The on-site conlractor is the enlih� solely responsible for job sitc safety. <br />V✓e recommend tha� cut slopes 6c protected from crosion. �leasures taken may include co��cring cut <br />slopcs �vith pl�istic shccting and divcrting surfncc nmuff away from thc top of cut slopcs. N'c do nat <br />rcconunend vcrtical slopes fnr cuts decper thvi 4 fcct, if worker access is necessnq�. We recommend that <br />cut slope hcights und inclinations conforni to �1'ISHA/OSHA stmidards. <br />r��,�t si���� ��,�r�,����„s r�� s�n��w��i ru �„a ��n, ��, a,� „ativc soils should be no stceper than 21i: IV. <br />LighUy compaGcd fills or cotnmon �ills sliould be no s�ecper lhan 3H: I V. Common fills are dcfined as <br />fill malerials, pi�tcnlially with some orgnnics, thnt are "trackrolled" into pince. Thcy wnuld not mcet the <br />compaction specification ol'stn�ctm:�l fill. �inal slopes should be planted and covered ��•ith straw orjulc <br />nctting. 'I'hc vcgMa�ion sho�dd bc maintaincd unlil it is cstahlishcd. No fill. Rrxsx clippinRs or <br />pnmings, etc. shoidd be placeJ on Ihe slope. <br />RMI ASSOCIATES LLC � � � <br />