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<br />,- <br /> <br />an average spacing of twenty (20) feet. The model of the lake <br />bottom will be mathematically interpolated between collected <br />points by accepted engineering practices, and will be a <br />mathematical estimate of the actual bottom. <br /> <br />Analyses of the survey data will include an area-elevation- <br />capacity table, acceptable to the Texas Natural Resource <br />Conservation Commission (formerly the Texas Water Commission), <br />of the reservoir with definition of 0.1 feet, a bottom contour <br />map with definition of 5 feet, and a shaded relief plot of the <br />lake bottom. An area-elevation-capacity table estimated to 0.01 <br />feet will be provided upon written request. A copy of the <br />report text and area-elevation-capacity table will be provided <br />for review and comment. Any legitimate questions regarding <br />accuracy should be addressed in writing within thirty days, and <br />will be addressed in the report. Two copies of the report will <br />be provided to the Sponsor along with the digital data, if <br />desired. The report provided in conjunction with the survey <br />will not address sediment location and thickness, unless <br />negotiated as an additional charge. All data from the survey <br />will be stored for future reference. <br /> <br />4. SURVEY SCHEDULE <br /> <br />The field survey is expected to be completed in one to two <br />working days after commencement, dependent on the size of the <br />lake at the time of the survey. The first day will be spent <br />meeting lake staff, visually surveying the lake conditions, and <br />finding and checking the condition of boat ramps. The survey <br />will begin after the completion of these activities. Pool <br />elevation, weather, and condition of equipment are some of the <br />possible factors that could affect the actual time of performing <br />the survey. <br /> <br />The COE, or its subcontractor's representative, will contact the <br />designated party, as shown in the attached contract, the week <br />prior to the survey to confirm the proposed dates. Confirmation <br />by the owner's representative will signify the owner's approval <br />that the survey be conducted at the current lake elevation. If <br />any delays are anticipated, the survey will be rescheduled as <br />soon as possible. The new dates will be determined with the <br />approval of the Sponsor. <br /> <br />5. ON-SITE STORAGE <br /> <br />The Sponsor shall provide a secure locked enclosure with minimum <br />dimensions of 10 feet by 30 feet, for storage of the survey <br /> <br />6 <br />