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1 <br /> T�ie spillw,�v for the exis[in� ear[h dam which re[ains the mannade lake <br /> , currently consists �f a rock-lined drainage channel which runs around [he <br /> northwes[ end of the dam. {Je unders[and [ha[ construc[ien of [he Phase 2 build- <br /> ' ing a[ [he location shuwn on Plate I will require [ha[ a new spillway be installed. <br /> This new cpillway is expected to consist of a concre[e s[ruc[ure which will 1ie <br /> across the dam .:mbankmen[ raGher than betng at one end of it. <br /> SCOPE <br /> The purpo�es of [his investigation are to explore the subsurface soil and <br /> ground wa[er conditions at the project site and co develop geo[echnical recom- <br /> mendations and design cri[erta Eor the proposed facili[ies. Our sp�cific scope <br /> of services inclu�?,:s; <br /> �• ExpLcration and labora[ory phase. <br /> ��• Gxploring subsurface soil and ground water conditions by drill- <br /> ing 4 tes[ borings and excavating 25 tes[ pi[s [hroughou[ [he <br /> acea oE proposed constcucttan, <br /> d• Developing supplemental information on sof[ soil [hicknesses Ln <br /> localized bog areas by hand probing, <br /> �• DeEining pertinent physical charactcristics of the foundation <br /> soils and poten[ial Fill soils irom Che resul[s of labor�to�:. <br /> tests performed un dis[arbed and un�i_sturbed samples, as �p�ri�_ <br /> priate. <br /> '-• Desigu studies. <br /> ��• Recommending the ex[ent of strippin6. Srubbing and other si[e <br /> preparation �ctivities, including [emporary drainage facilitie5, <br /> needed eo prepare the site for cutting and filling operations. <br /> B• Recommending the type oF soil and compac[ion criteria to be <br /> used [,�r both struc[ural and nons[ructural fills. <br /> �• Recomn,ending design cut and fill slopes, both temporary and <br /> permanen[, as appropriate. <br /> �• Developing design criteria �nd set[lement estima[es for shallow <br /> spread foundations for the proposed struc[ures. <br /> �• Evaluating the charac[eristic si[e period (T ), <br /> F• Definiag Lateral s <br /> pressure cri[eria for the design of basemen[ <br /> walls and other retaining s[ructures which may be required, <br /> �• 6valua[ing drainage requiremen[s for basement walls. <br /> F�� Providing reconunenda[ions [or ftoor slab support and pavement - <br /> desi,n sections. <br /> _ ' _ l�' <br /> GeoEngineers <br /> Incorporcted 4 <br />