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'r{� r�"rd f -•�� s - ' Y - � �� 'r.» r��� �ta' �". n.� ;4 �� ,���"r�,,, . �+�-3. M��, _ .}... f�''�";..,�,d'�i�s' �'`. �. <br /> Santpriftfes'' P"OtOCOlS <br /> Drillirtg efore <br /> rillin.cy began, <br /> Permits were obtained for the borings <br /> ndri0obiletng mounted wells <br /> dr lling�lri`cZ. <br /> emploY ng the <br /> Tn <br /> he soil bongs were accompltshe i using a <br /> use of a hollow seem flight auger no less than 3-314 inch i.d. and 8-718 inch o.d. <br /> All drilling eyuipmcnt was thoro"'01y steam cleaned before drilling began to prevent <br /> the introduction of contamination from off site, and between borings to prevent crass <br /> contamination. <br /> The borings were logged (Appendix A) under the direct supervision of a registered <br /> engineering geologist using the Unified Soil Classification System. The calor, texture, <br /> mer <br /> oisture, plasticity (if applicable), consistency of the earth materials, blow counts,were ed. <br /> ion <br /> tinent soil or bedrock charactije tits at nd whichny `they were encountereidence of td wee noted'on <br /> All water-bearing zones and t p <br /> these logs. <br /> All borings weze drilled in such a manner as to prevent cross n <br /> contaminatio:3 betwee <br /> strata. > xploratory soil borings within the unsaturated upe ewere lug at!the base.ackfilled with a five <br /> percent (5%) Bentonite and cement grout with a P <br /> The cuttings from the drilling operation were containcriz site <br /> ton results ofuring ling for <br /> proper disposition. The proper method of disposal is dependentp <br /> tory analysis, this disposal is the responsibility of the client unless other arrangements <br /> have been made. <br /> Well Constructiolt <br /> used in well construction were thoroughly cleaned prior to introduction <br /> All materials <br /> into the boring. A Bentonite grout was placed at the bottom support tthehe we boring <br /> a the casing, <br /> After the seal had been allowed to set 1pVC)wthhendscap and factory perforations for <br /> a two inch (2') diameter well casing ( laced in <br /> placement in the saturated zone (taking intoizes a coue as nt ed in al varia <br /> welltcotnstructian draw- <br /> the boring. The screen and filter pack <br /> ing. The casing and end caps were threaded; no PVA cement was used. The filter hick <br /> extends 4-112' above the perforated zone. A Bentonite seal two to six feet (6') <br /> was placed in the annular space <br /> the <br /> ivary Uaseder pack ooln th oweeunderlying geology-by a cement grout to the <br /> surface. Seal and filter pact.elevations may <br />