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<br />CC2781 <br /> <br />. <br /> <br />. <br /> <br />Deoartrtlent of Natural Resources --- Colorado Water Conservation Board --_ Division of Water Resources <br /> <br />RGDSS Newsletter <br />Rio Grande Decision Support System <br /> <br />April 30, 2001 <br /> <br />Introduction This newsletter IS <br />intended to keep the RGDSS Advisory <br />Committee and other interested parties up to <br />date regarding current RGDSS progress. <br />We expect to publish it 2 to 4 times a year. <br />This is the 6th edition. <br /> <br />To meet the contracting team and discuss <br />their progress, an Advisory Committee (AC) <br />meeting is anticipated sometime in June or <br />July when significant deliverables are <br />expected. <br /> <br />Contract Summary Following is a <br />summary of progress for the total RGDSS <br />project, by component. As presented, the <br />entire project is estimated to be <br />approximately 85% complete with. all <br />components except ground water working <br />on the third and final phase, <br /> <br />Component Contractor Complete <br /> % (1) <br />Total All 85 <br />Ground Water HRS Water 84 <br />. Consultants, Inc. <br />Surface Water Hydrosphere 74 <br /> Resource <br /> Consultants <br />Consumptive Leonard Rice 98 <br />Use and Water Consulting and <br />Budget Aln'o Engineering <br />Relational Riverside 83 <br />System Technology, inc. <br />Intel!Tation <br />Spatial System HDR Engineering, 84 <br />Inteln'ation Inc. <br /> <br />(I) Note that completion percentages for each <br />component are for the entire project (Phases I <br />through 3), except ground water's, which is for <br />Phases I and 2 only. <br /> <br />NewsO 10430.doc <br /> <br />Ground Water Component Key <br />progress since the last newsletter and AC <br />meeting is as follows (the number in <br />parentheses refers to the contract Task): <br />. (8) Develop a Preprocessor to <br />MODFLOW (StatePP) is approx, 98% <br />complete, Draft documentation has <br />been provided. <br />. (22) Steady State Calibration is 95% <br />complete, Draft documentation is being <br />prepared. <br />. (23) Average Monthly Calibration is <br />30% complete. <br />. (26) Phase 2 Well Construction is <br />complete, Note a total of fifteen (15) <br />wells have been completed (3 in phase I <br />and 12 in phase 2), <br />. (27) Phase 2 Drilling Observation is <br />complete. <br />. (28) Phase 2 Confined Aquifer Testing <br />is complete. Draft documentation is <br />being prepared. <br /> <br />Surface Water Component <br />Progress since the last newsletter and AC <br />meeting is as follows (the number in <br />parentheses refers to the contract Task): <br />. (9) Develop Calculated Model is <br />approx. 95% complete. <br />. (11) Phase I Monthly Model Report is <br />approx. 90% complete. A draft report <br />has been provided for historic <br />calibration. <br />. (23) StateMod enhancements made, <br />including variable efficiency, soil <br />moisture accounting, Elephant Butte <br />spills, the Modified Direct Solution <br />Algorithm, and various approaches to <br />developing calculated demand. Testing <br />and documentation are ongoing. <br /> <br />04/30/01 - 1 <br />