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6-11-1999 11:32AM FROM ADCO/BAYER/CHEROKEE 303 452 d515 P.9 <br />• • <br />Camas 104°i Ave June 4, 1999 <br />Dwign•Btold Slurry Wall page 2 of 3 <br />1. Provide ua witb two origitul tranapaerctwy drawings of he site plea st s scale of <br />1"=100' showing property litua, mardinme, ootaauts, exiaing SrciUties of any sad <br />sU kinds, and a trarp of all provious etgrloratioa drill boles. <br />2. The design inoluda the properstioa of the chary wall layout plan sad apeci8estions <br />for chary well mtntrtutiar4 aU w taxwaaty fa submittal to the State Engineer ea a <br />Put of Your pertpit pecksge. <br />3. Suitable aaxa to the vita ad along the slurry waU aGgmnent for drill'mg <br />aPY 40 bore bola m abtsin soil aatapla, etc., following the award of the <br />corarea. <br />8. With reapeet so the eonRrtrcCoer phaaa of the wotiS the fioUowing aswmption erd work to <br />be perforntcd hY others m tro met to us is our propowl barfis: <br />1. Provide uea of the property u needed fax the pertotmmce of our wor14 includ'wg a <br />clew tad etabla working platforrt4 mouructed of selected on-alto fines, u least 60 Sxt <br />wide along the eligrmiarrt aPthe chary wall at a grade of u least S Beet above the <br />ground wr$a h;vd. 'Ibis include the retooval of sU iacerlaring sttrrctrrrea, feraxe, <br />walla, vegetation, and ttew, mna>exe and sapbah ptviog and overhead ad <br />undetgraund utilities The elope of the warkiag plutfaam along the aligttrtterR shall tart <br />exceed 0.5Y.. <br />Z. We will moatrrrct the shury wall under the high voltage PSCO trammiasion Unea at <br />two h~cetiorre in their Right of Way. The cbanrrce undo the pourer lines moat be safe <br />for our equipment in acoordatce with OSHA and PSCO requirements. >n addition, the <br />dlegace of the chary wall from the trarwnisaion rowan tarot be approved by PSCO. <br />if ittw<$cierrt eiwraace exists at the aoasiag of the lines the emseing hrcation may <br />require moving closer m the tower or der-amagiang ttje Uae while cortatruetien <br />thereunder. <br />3. (iatrerally, the dtrrry wall will be irutalhd 10 fat from the property line. Additioasl <br />clearance will bs rtecwaaty to ma6-aia roquQed OSHA and local power company <br />clearaucea from our operating egttiprnem and the exirtiug power Does, utileaa the <br />power liana an be de-arafrgimd, rtarmvad or rdocued by atlren. <br />4. Approval from Sinclair Pipeline Cotnpwy is required fax work plaeform mosauctian <br />by you and our Burry wall equlptaent opentiona aver sad sdjacmt to their petroleum <br />pipeline. <br />5. Replacanent of all forces removed ere iaerfrsing with our opertaioaa. <br />6. Provide conprudion water from the site ground water w requited by ua. <br />7. The quartitiw upon which thin proposd is 6aed in 1'F,000 Uowl feet, average depth <br />iram dte tvotiung P{atfarm to tap of shale at 33 feet Trey lrno shale of 3 feet, <br />maximum depth of 46 flax and sn area (vertieal pro ) of 500,000 q. @. <br />8. The baclrfiU mixture n1tY consist of ttp to 3354 of oaaite borrow flew and the <br />romainder from treuch excavated materials. pbu ea additions) 254 (max) by dry wdght <br />~noaip ~a.o.u><.., loc. <br />