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. <br /> Thomas Jones �N p�y!w <br /> March 14, t49E Pp�e <br /> Type B. Thereforo, temporary cut slopes qroater than 4 feet in heipht cannot b�excavated �t an <br /> inclinatlon steeper than 1:1 (Horizontal:Vertical), extendinp conUnuoualy between fhe top and th� <br /> bottom ot e ait <br /> The above recommended temporary alope inclinatlon is baaed on what hn been succssaful at <br /> other sitsa with similar soil conditlons. Temporary cuts aro fhoas that will romain unsupported tor <br /> a rolativsly ahort duraUon to allow far ths consUucUon of foundadons, rotafninp walla, or utltlW�. <br /> Tempo�ary cut slopes should be protacted with plasUc sheetlnp durinp wst w�ather. The cut <br /> slopes �hould alao bs badcfiiled or rotained as eoon �� possible to roduc� fh� potendal for <br /> inatability. Pleass note that loose soil can ceve euddenty and without waminp. Utllity contracco�. <br /> should be mada eapedally awaro of this potenUel denper. All pertnanent cuts or fllla on the lob <br /> should be Inclined no steeper than 2.5:1 (H:�. <br /> Dralnaas Consideradon� <br /> We rocommend the uas of fooUnp drains at the baae of fooUnps, K, e (1) crawl �paat or <br /> baeements wfll be bslow a aWcturo, (2) a slab ia below the oubids pnds, or(3)ths outside prade <br /> does not alopa downward from a build(np. Orains ahould alao be placed at the base of all <br /> badcfllled, earth-reteininp walla. These draine ahould bs aurrounded try at leaat 8 Incha of 1-inch- <br /> minus, waahed rock and then wrappsd in non-woven, peotextfte fllter fabric (Mitifl 140N, Supac <br /> 4NP, or similar mate�ial). At ib hipheat point, a pa�torated pips inveR ahould be at leaat as low at <br /> the bottom of the fooUnp, and it ahould be eloped for drainaqe. AII root and suAace water drains <br /> muat be kept aeparate from ths foundatlon d�ain system. A typical drain detail fs attached to fhis <br /> report aa Plate 10. For the beat lonp-tertn perfortnence, perforated PVC pips is rocommended for <br /> the footlnp drains. <br /> Slipht yroundwater was observed In Teat Pit 8. If seepape is encountered in an excavallon, k <br /> should be drained trom the site by dfrectiny ft throuph drainape ditchea, perforated pips, or Fronch <br /> dreins, or by pumping ft irom aumpa interconnected by ahallow connector tronches at the bottom <br /> oi the excavatlon. <br /> The excavations and lots should be yraded so that suAace water is directed oH tha sits and avvay <br /> from the tops of alopes. Water ahould not be allowed to atand in any area whero foundaUons, <br /> siabs, or pavements are to be consUucted. Final site prading in eroaa adjacent to tha buildinpa <br /> should slope away at least 2 percent, axcept where the area is paved. <br /> Cieneral Earthwork and Structural Fill <br /> All buildfnp and pavement areas should be str(pped of suAace vepetatlon, Wpeoil, orpanic soil, <br /> and other deleterious matertal. The sUipped or removed mate�lals should not be m(xed with any <br /> meteAals to be used as structural fltt, but they could be used in non-atructural aroaa, such as <br /> landscape beds. <br /> Structural fill is defined as any fill pleced under a buiidinp, behind pertnanent retain(np or <br /> foundatlon walls, or In other areas where the underiyinp sofl needs to suppoR Iwds, All aUuctural <br /> fill should be placed in ho�izontai Iifts w(th a moisture content at, or near, the opUmum moiatun <br /> OEOTECH CON9ULTANIB,MC <br />