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<br />Furthermore, an OpeA-chitecture system will have the gnllst capability to accommodate <br />changes over time. <br /> <br />. <br /> <br />Administration <br /> <br />This task will be led by Jackie Sullivan, with extensive support from Steve Wehrend <br />and system compliance review by David Sieh. <br /> <br />Detailed Work Plan <br /> <br />As hardware, system software, and application architecture alternatives are evaluated <br />for CRDSS during this feasibility study, attention will be paid to the long range cost <br />ramifications of these decisions. Issues such as vendor stability, history of vendor support, <br />industry trends. availability of support staff to maintain/upgrade the application, ease with <br />which system changes can be made in the future, and cost and availability of data sources will <br />be addressed. It is imperative that the long range costs associated with these choices be <br />considered, as the development costs of a system may account for only a small percentage <br />of the._~otal system costs over an average ten ye:u: life span. Cle:u:ly, platform choices have <br />a great" impact on these long range operations and maintenance costs. <br /> <br />In this task, the long range costs and logistics associated with various system <br />alternatives will be estimated and a recommended approach to maintenance and system <br />upgrades will be presented. CADSWES staff brings extensive experience in this field to the <br />study team, having organized and run maintenance and production support teams for many <br />distributed users. <br /> <br />. For the recommended alternative, a forecast for operations and maintenance over the <br />first five years of opeI<l:tions will be made. Additionally, a recommendation will be made for <br />the logistics of long term system support; e.g" who, where and how the maintenance and <br />operations support should be handled. <br /> <br />TASK 7: ALTERNATIVES COST ESTIMATE A.l'I/D DEVELOPl\-ffi'IT SCHEDULE <br /> <br />Introduction <br /> <br />Task 5 will result in detinition of a number of alternative DSS designs/architectural <br />approaches and the associated hardware, system software, and application software. Task 7 <br />will involve costing and scheduling the development and implementation of these alternatives <br />that, after evaluation, are shown to substantially meet the derined user needs. These cost <br />estimates will be necessarily general at this stage but will conform in principle with Section <br />IIIB of the IMAP guidelines. Each alternative will be evaluated to the same level of <br />accuracy; and. therefore, the estimates will be sufficiently reliable for the purpose of <br />comparative analysis. <br /> <br />. <br /> <br />-14- <br />