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mantics hills, ndges, nnd slopes and varics in Ihickness Gom about 10 to 60 feet. Accumulations of <br /> organic material and peat arc typically encountercd near or within water-filled depressions overlying thc <br /> glacial till (in swamps,bogs,and lakc arcas). <br /> Subsurface soils cncoumercd in our cxplorations are consisteN with prcvious conditions encountercd in <br /> thc vicinity, nnd also wiih thc gcologic mapping. Wc cncountcrcd en approximatc 1-to 3-foot thickncss <br /> of fill ovcrlying glucial till. Specific details of subsurface conditions encountercd in our explorations arc <br /> prescmcd bclow. <br /> SITE CONDITIONS <br /> I SURFACE CONDITIONS <br /> The Casino Road property is silunted betH�een Cnsino Road and Kasch 1'ark Road, direcdy north of the <br /> I existing operating basc. Kasch Park Road is elcvated approximately 5 to 6 fect above the property with <br /> ground surfam cicvations ranging from 576 to 577 firt on thc roadway, to 131cvation 570 ro 572 fcet on <br /> Ihc asphalt pavcmcnt nt thc toc of thc slopc. A sitc plan showing thc existing sitc fcawres is providcd as <br /> Pigurc 2. 1'hc slopc bctwcen thc road end thc drivc aislc ;o thc noAh is typically inclincd nt 3H:IV <br /> I (horizontal to vcrtical)and flaltcr, with ihe cxception of one arca nonh o�two existing conifer trees where <br /> thc slopc is roughly 211:1V. Ground surfacc conditions on Ihc slopc consist of barc soil with somc <br /> Inndsceping. 7'hc cxisling structure on thc siic cxtcnds roughly 375 fect in thc north-south dircction nnd <br /> II50 fcet in the cast-wesl dircction and is surroundcJ by asphalt concrete drive aislcs and parking. <br /> SUBSURFACE CONDITIONS <br /> Subsurface E:.ploratlon <br /> Suhsurfar.e soil nnd groundwater conditions werc evaluated by reviewing existing suL•:aurface soil <br /> infomiahon, drilling threc hollow•xtem auecr borings, and cxcavating four tcst pits with a rubbcr-tircd <br /> hackhoc. '1'hc I��nngs wcre situalcd around thc soulh end of�hc cxisting slructure whcrc thc proposcd <br /> mcz�anine will hc locatcd. "fhc Ics� pits wcrc cxcavalcd within the cxisting slopc in the vicinity of thc <br /> proposed entranccs. <br /> I'hc horings wcrc advanccd within thc cxisting asphall concrctc Jrivc aislc to depths of 16 to 25'/. fcct <br /> hclow thc cxisting ground surlacc. "nc� four test pits wcrc cxcavnted to depths oF 4 to 10 fcct bclow the <br /> cxisting grounJ surfacc. "I'hc approximatc locations of Ihc cxplorations nre shown in the Sitc Plan. <br /> Pigurc 2. Dctailcd logs of thc cxplorations and thc results of our laboratory tcsting arc provided in <br /> I n�p��d�r n. <br /> i <br /> Soll Condltlons <br /> I'hc cxisting p�vcmcnt scction cncountcrcd in our Mmngs consi5ts of 7 inchcs ol asphalt concrctc. [3asc <br /> cuursc was not cncountcrcd bclou� thc asp6alt. A I-to I'/,-foot thickncss of silty sand fill ovcrlying vcry <br /> densc glacial till was cncountered hcncath thc nsphalt in the borings located on thc cast sidc of thc <br /> existing structurc (borin@s 13-1 un I3-2�. Vcry dcnse glr�cial till wns cncounten�d dircclly bencath the <br /> asphalt in borinE Il-3 locatcd on thc wcst sidc of thc slructurc. <br /> jOur tcst pit cxplora�•ons cncountcrcd 1 to 3 fcc� of loosc silty sand fill ovcrlying glacial till. Thc upper <br /> 1 to 4 Icc� of!hc lill in Icst pit TI'-3 was mcdium dense and weathcred,and becomes very dense at a depth <br /> 1�71r Nn 1/145.1114-11.{ /�agt 2 GEOEN6INEEII� <br /> � ,11i11':?.1lNIV <br />