3201 SMITH AVE BASE FILE 2018-01-02 MF Import

i i dispo�al reouiremente as provided herein. If hazardoue materiale are found in en area, the Contractcr thall move to another area to work, and no claims foz additional time or money will be allowed. 1(4) 80�1 D��cription Fill materials appear to consiat of silty eand with orqanic debris, construc[ion debrie (brick) , and asphalt piecee. The depth of fill materiale is consistently 2.5 to 3 feet north of 32°0 Street, east of I Smith. South of 32n° and eaet of Smith the fill ie lees coneiatent. The area below the propoeed bvilding appears to heve 2.2 feet of fill under the northern end, and 7 feet toward the eouthern end. The area I south of the midpoint between 32n° and 33r°, east of Smith appeer to have 3 to 5 feet of fill weet of the rai] epur, and no fill eaet of it. The fill ma[eriale are looae [o very looee, and ueually wet. I The stratigraphic unit uppermost below the fill ie a eilty clay or clayey silt; laboratory test resulCs preaented in the Oeotechnical Report, Appendix C provided in Volume 1, indicace that the claseification is on the border between the two type� of materiale. The I unit ie preeent across the eite, at a depth of approximately 2.5 feet and extende to a depth of approximately 20 fee[. Conetruction debris/hietoricel may be encountered throuahout the work in I all etratigraphic unite. Thie material may be very larae in eize and may impact the Contxactore activitiee and schedule. Thie material may be found in the excavation and/or may psee through the excavation. The Contractor shall incorporate meaeures into hie bid for removal of this I material and impacts to forcee and echedule. All paymen[ for [he exca��a[ion of thie material ehell be ncluded in ^P.oadway and Site Excavation and Stockpile" and "Stzucture Excavation and Stockoile•� . I Dispoeal and hauling of all debrie shall be ae defined in Section 1(41 , S�il Management See the Geotechnical Reporte prepared by Mi:bor-Pita, Inc, Auguet, 1999, I the Phase II Environmental Site Aeseeemen: prepnred by pTI Environmental Servicee, December 1997,and the Demolition and Site Remedietion As- Suilie which are as built mape of clean-up activity prepared by Wilder I Constzuction Company provided in Volume one of the�e epecificatione. As of [he preparation of this specification, the Demolition and Site Remediation contract i.s not complett; therefore, the Contractor shall obtain from the owner•s Repreeentative the lateet as-built map Iavailable. 1(7)1� Oroundwat�r Charace�ri�tic• �nd ali[ I T ere are eevera zonee o groun water ow the eite, however, they appeaz to be diecontinuuue. There is a zone within the upper five feet of material, along the [op of the etiff eili unit. This appears to be seanonal, indicating that it ie fed by precipitation rather than a � regional groundwater zone. The silt/cl�y itself dxe have some eandier I lenaee that appear to be elightly more permeable and contain amall amounte of water. There ie another zone on the top of the iill at a depth of approximately 18 to 20 feet, which ie sometimes preaent as a I softer zone within the overlying eilt. These vater-bearing layers are refezred to as "per�h�d•�water zonea. The true re3ional groundwater level ie aC approximately 35 to 39 feet below the ground surface. I Divieion 2 Pege il everecc se�cion os/i�/oo H:\Joba\97093\TRANS\ENG\SPECS\100\ed\Street site\98SPECZRI.docCti�PR9d£6i'6}IF�ie � 3�