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15 TABLE 2 Possible uses for the HPST and ECREL Current Process Used by CRM Professionals How the HPST and ECREL Can Help A property (site, building, structure, object, or Enter information about the property in the district) is to be evaluated for National Register HPST. Information focuses on attributes (NR) eligibility. that are relevant to determining eligibility. Find a historic context that contains predefined 1. Look for a relevant historic context in property types that best represent the resource to the HPST. be evaluated. Contexts should have predefined 2. Use ECREL to search for relevant property types that have already been linked to the historic contexts if not found in the HPST. National Register criteria. For example, property type X represents a significant property under NR criterion D. If one cannot find a relevant historic context, a 1. Use ECREL to search for similar context would need to be developed. contexts that could be used as a model for creating a new context or for relevant material that might be incorporated in the new context. 2. Use the HPST to develop a new historic context, storing key components in the database. Using the HPST ensures that contexts are being used in a consistent manner and that all necessary elements are included. Compare the resource to the property types included 1. Use the Criteria Evaluation form in the in the historic context and ask the following HPST to record decisions about the NR question: Does the resource meet the required criteria under which the property is eligible. criteria to be considered a representation of this 2. Use the Integrity Evaluation wizard in property type? the HPST to record decisions about the property's integrity (i.e., using the requirements of the National Register's seven aspects of integrity). One uses the Criteria Evaluation and Integrity Evaluation functions to document the process and the reasons for making a determination of National Register eligibility. If the answer to the above question is YES, you have 1. Use the HPST to print an Evaluation a property that is eligible for listing in the National Summary report as part of the Register of Historic Places. documentation for the evaluation. 2. Use the HPST to print a new historic context report and submit to ECREL for inclusion in the library. to keep the project moving forward, URS relied solely on in- The URS design team developed a complete list of require- house CRM professionals for the initial design and verifica- ments and technical specifications. The ability to search doc- tion stages of the HPST. ument contents for a word or phrase was determined to be the most critical element of this application. Most of the source documents existed only in hard copy and needed to be scanned ECREL into a searchable format. Moreover, many documents that had already been scanned existed only in image format (i.e., Design they are not full-text searchable). Therefore, the design team had to (1) develop a method to convert all documents into a The basic requirements for ECREL were defined by the searchable format and (2) select an implementing technology focus group, and additional requirements were added by the that supported full-text searching. NCHRP panel. The index fields, valid values, other functional To accomplish the above two tasks, URS chose to scan the requirements, and business rules had to be defined. The soft- documents into PDF searchable-image compact format. This ware and process for converting and loading documents also method retains the original look of the document, but reduces had to be selected. the electronic size as much as possible for faster response