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REQUEST FOR PROPOSALS <br /> TRI-VALLEY TRANSPORTATION COUNCIL <br /> COMBINED STUDY <br /> July 1995 <br /> <br /> and other means to achieve improved <br /> consistency. <br /> <br /> Product: Revised Trip Tables incorporated <br /> into the Countywide Model <br /> <br /> 1.2.2 Revalidate Roadway Assignments <br /> <br /> The consultant will revalidate the roadway vehicle <br /> and transit patronage assignments. The consultant <br /> should use the following validation targets for <br /> given facility types: <br /> <br /> eScreenlines: All screenlines within _+ 10% of <br /> the total count <br /> eFreeways: 50% of links within + 10% of <br /> the Count <br /> eMTS Arterials: 50% of links within _+ 15% of <br /> the count <br /> ®(>10,000 ADT) 75% of links within + 30% of <br /> the count <br /> <br /> The consultant should include a per model run estimate in the <br /> cost proposal. Additional runs may be requested by Tri-Valley <br /> to improve the validation results. <br /> <br /> Consultant Product: Revalidated Model <br /> <br /> 1.2.3 Adjust the peak hour factors accordingly, based on <br /> a minimum of the approximately 11 road facilities <br /> which have volume capacity problems, identified in <br /> the Plan; <br /> <br /> 1.2.4 Adjust year 2000 and 2010 forecasts to account for <br /> incremental changes from ABAG' s ' 94 Land Use <br /> Projections <br /> <br />1.3 MODEL MODIFICATIONS <br /> <br /> The objective of this task is to evaluate the network based on <br /> model output to determine the necessity for manual adjustments <br /> on various road facilities and around special generators as: <br /> BART, Livermore Lab, Colleges, Airport. <br /> <br /> -4- <br /> <br /> <br />