Laserfiche WebLink
DEC-~9-'94 THb 09:36 <br /> <br />$A,2 <br /> <br />ID:C D a M RALEIGH N C FAX N0:919-781-57~0 ....... ~?~ P06 <br /> <br />conditions and g~oundwater flow ~egime of the Uppermost aquifer at the site. The <br />number and dep~ of ~gs ~q~ to det;~e ~8 hy~ogeologic ch~fi~ <br />of ~e sit~ ~ ~ prepped ~d p~sen~ to ~ Sold W~ S~on's (SWS) <br />H~ogeolog~t ~or cogent. At a ~um, &~e sh~ ~ ~ average of one bo~g <br />fo~ ~h ~n ~s of ~e propos~ Op~on C si~. Adjus~ ~ ~e pl~ w~ ~ <br />m~e ~ ~prop~a~. ~ed upon ~o SWS's co~. ~ ~gs ~temeet~g ~e <br />w~er robie sh~ ~ conv~ed to piezo~to~ ~ monito~ weRs. <br /> <br />CDM w.R1 p~p~e a ~s~g pro~ for ~e bo~s w~ch descfi~ ~ ~equeney, <br />di~fion, md type of s~ples to ~ ~on md ~e me~s of ~ys~ (s~d~d <br />AS~ test me~5 or me~o~ appmv~ by ~e Divhi~) used to obt~, at a <br /> <br />(A~ Standard penetration - resistance; <br /> <br />(B), Particle size analyaia; <br /> <br />(C)' Soft classification: Unified Soll Cl~i/icafion System; <br /> <br />(D) Formation descriptions; and, <br /> <br /> (E): Saturated hydxaulie conductivity, porosity, and effective porosity for each <br /> ljthotogie unit of the uppermost aquifer. <br /> <br />Task $.~ - Retain Oeotechnic~l Drilling Contractor <br /> <br />Once the bgrJng plan is approved by the $W$, CDM will prepare a Request for Proposal <br />(RFP) for subraittal to a minimum o£ three qualified drill~g contractors. The RFP will <br />outline services to be provided by the drilling contractor which may include, but will not <br />necessarily be limited to, the £ollowiug items: <br /> <br />Hollow-stem augexing <br />Core dl41llrtg <br />Ai~ ro~ drilling <br />Piezometer installation md ~velopment <br />Und~fl (Shelby Tu~) ~d b,~i~ soft s~ple <br />L~ ~ysis of seI~t~ sou s~ples for p~de s~e ~ys~, ~er~rg <br />~ts, hy~a~ic eonduc~vity, porosi~, ~d effe~ve <br /> <br />Additional i~ems may be ~equlred, de~nding on discussions wkh the SWS ~ de~d~ <br />T~k above. ~ce t~ bids ~e received, CDM w~ review the b~ ~ ~e Co~ty <br />select a qu~ ~. On~ a ~ is sele~ed, CDM ~ ~en ~n~ ~y ~ <br />selected ~g con--tot. ~ ~ow~ foz ~e ~l]~g co~ h~ ~en pro~d~ ~ Section 4 <br />of ~is ~en&ent. It ~ ~co~d ~ ~ ~ co~d ch~ge depend~g upon ~e <br />bo~g .pl~ approve~qu~d by ~e SWS, ~e ac~al bids from ~lllng c~o~, ~d ~e <br />~m~ ~o~t of work ~at ~ complet~ ~ ~e field, CDM w~ not ex, ed ~ <br /> <br />Page 4 of 17 <br /> <br /> <br />