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t0 C T~- 1 8- 9 3 M O N 0 4 W g T E R W A S T E +~L A D P 0 3 ~ 0 9 <br />Qr. Jemee A. Pendreton ~- ~ ~ <br />9Cte6ar 16, 1993 <br />Pape 2 <br />^ Review the modifications to the original design by BMG in the Phase 2 Stage I tailings <br />impoundment system expansion. <br />^ RelayWWL'sgeotechnicalopinionregardingtheexpansion-relatedmodificationstothe <br />original design in terms of tailings system performance. <br />o Sased on the geotechnical opinions provided to DMG, provide technical review and <br />oversight to DMG aS needed. <br />Our proposed scope of wprk follows the tasks outlined in your October 121etter, end is briefly <br />outlined below. <br />Task 1 -- Femllierization with Approved Plan. This would consist 4f review of pertinent <br />documents provided this week by BMRI. Discussions with DMG staff will be held as needed <br />to provide additional technical clarification. Based on the document list attached with your <br />October 15 letter to BMG, an estimated upper limit for this task is 85000. . <br />Task Z -- Field Construction Oversight. This task includes an initial site visit and preparation <br />of a Construction oversight schedule for DMG concurrence. Actual oversight would include <br />observation of construction, with weekly updates of construction activity and immediate <br />notification of DMG about construction activities of concern. Recommendatuons would be <br />made to DMG regarding daily or seasonal suspension of construction due to weather <br />conditions. <br />Task 3 -- Oversight of Feld Testing Program. Concurrent with field construction oversight <br />would be review of Currant and previous construction quality assurance [eating and test <br />results. Opinions concerning the adequacy of testing end validity of test result$ would be <br />provided to pMG on a weekly basis. We do not anticipate conducting additional tests by <br />WWL staff. <br />Task 4 -- Review of Related Technical Submittals. Technical documents prepared by BMRI <br />would be reviewed es directed by DMG, and technical opinions concerning the ~ocuments <br />would be provided to DMG. <br />Task 5 -- Review of Final Construction Certifications. The eertlficatlon document for Phase <br />2 Stage I construction would be reviewed as directed by DMG, end technical opinions <br />concerning the documents would be provided to DMG. <br />Task 6 -- Participation in Meetings with BMRI. Participation in meetings with pMG, BMRI, and <br />other parties would be conducted as directed by DMG. <br />We realize that this work scope could be expanded or shortened, depending on tht: results Of <br />the technical oversight, negotiations between BMRI and DMG, or weather conditions on site. <br />PERSONNEL <br />Within WWL, the work would be conducted by under my direction, and 1 will provide the <br />primary contact for Communication with OMG and coordination of WWL professional staff. <br />