1993-10-18_REVISION - M1988112 (2)

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OCT~-18-93 MON 04 WATERWASTE+L~D P-94.09 Dr. Jemee A. Pendlseon Octobsr 18, 1993 Aep~ 3 Field construction oversight will be provided by Doug Gibbs or other WWL staff as needed. Doug Gibbs' and my resumes ere attached with this letter. COST STRUCTURE Because of the variable nature of the tasks listed above, we have no[ provided estimated total Costs to execute the technical oversight, aside from Task 1. Estimated costs for Tusks 2 end 3 depend on the corrs(ruction schedule of the contractor at the San Luis Project. tasks 4, 6, and B are to be conducted es directed by DMG. As we discussed by telephone, we propose to conduct the work on a unlt price basis for actual work performed and actual expenses incurred, according to WWL's 1993 standard unit rates. This rate schedule is attached with this letter. No adjustment 4f these unit rates will be made for overtime work by WWL professional staff. A$ mentioned in your October 12 letter, invoicing will be on a monthly basis to 4MG, with time sheet end expense backup provided with the Invoices. According to WWL procedures, billing will be on an end-of-month cycle, with invoices sent to DMG by the tenth of the following month. Explanation of invoice charges by task and a summary of work Conducted during the invoice period will be provided with the invoice for Division and [3MRI use. Pertinent insurance coverage for WWL staff is not included with thts letter. We anticipate that thls will be provided es requested as part of the third-party contract arrangements, SCHEDULE We realize that time is of the essence for BMG and OMG in execution of th@ technical oversight work for the San Luis Project, since it affects a construction sch@dule that is nearing the end of favorable weather for construction, As we discussed by telephone, we'can adjust our Work schedule to conduct the review of project documents this week (October 18-22). Wa would be prepared t0 discuss issues with Division staff as early as October 25, and could be available for a site visa es early as October 28 or 29. We could be prepared.to provide field testing Oversight es early as October 28. Another alternative would be to meet with pMG staff to initially discuss technical issues on October 19. I have previous travel commitments October ZO-22 and October 26-27, but can be available by telephone during those periods. Doug Gibbs has a previous travel commi9meht October 25-27, but could be available for field construction oversight soon after that trip,