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GREGO GRILLING 6 TESTING, INC. <br /> EGG <br /> SPECIALIZING IN ENVInONMEl1f'fAt-GEOTEI:8MICAL ANO IN 5?TL1 TESTfNG <br /> r <br /> February 9, 2001 <br /> George Converse <br /> Western: Geo <br /> Via Fax <br /> Tel # (530) 668-5300 <br /> Fax# (530) 662-0273 <br /> SU13JECT: COST PROPOSAL <br /> CPT TESTING, SrOtL,. AND GROUNDWATER SAMPLING, STOCKTON, <br /> CA <br /> Dear Mr Converse, <br /> As requested, we are providing our revised fee proposal far peY101rming electronic Cone <br /> Penetrometer Test (CPT) soundings for the above referenced project <br /> SCOPE OF WO K: <br /> We understiiihd~'that thb'work w611 consist of carrying out two (2) CPT locations to a <br /> depth of approk' lrnate�145 feet Correspondingly two (2) sampling fdc'4bons with three <br /> hydropunch groundwater samples arta five Wil saMplas are also proposed <br /> EQUIPMENTfPROCEDURE: <br /> The work will be c6mpJated using a 25 ton CPT rig an4 accompanying support rig The <br /> dead weight of the CPT rig 1s used as a reaction to push the cone penetrometer using a <br /> hydraulic ram iocatedf-at the center of the truck Soil parameters subh as cone bearing, <br /> sleeve fr'icbon, friction, ratio and gore water pressure are measured as the cone <br /> penetrometer is advanced. These measurements are sent Uphole through the cone <br /> rods to our can-boa+d data acquisition system Afl data 1s processed in real time in <br /> SOUTHERN CAI IFMNIA 2726 WALNUT AVENUE • SIGNAL 41 L CA MOW', - 1582)427 8889 - FAX(562)427 3314 <br /> NORTHERN CAUFORNfA, 960 HOWE RDAD MART1t1iEZ,CA 94253 • 11923)3935800 + FAX 1825/313 0302 <br /> CENT11AL CAurORNIA PO BOX 3018 • PASO p0r3LE-5 CA 93446 -{80S1228 957P <br /> www grewdrillmg con, <br /> -' rQ�_as _ to-5-ga !eO£O 6116 SZ6 ` �)Ul 'SuTIS01 7 6UTTTTJ(3 056JO *A9 is <br />