3646. Improvements and Guidance to the Weight Classification Using Expanded Ship Work Breakdown Structure (ESWBS)
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Paper
Abstract
This paper presents a guide to identify the proper classification of weight data for USN ships using the Navy’s current Expanded Ship Work Breakdown Structure (ESWBS) system. ESWBS is a functional classification system that is used for weight reporting purposes. It is used on all USN ships as well as many other shipbuilding programs as a method by which all weight estimates are functionally organized. Also, ESWBS is used as an aid to developing ship cost estimates. With the introduction of newer technologies, materials and constructions practices in ship designs, the proper weight accounting has become more difficult and somewhat subjective. Therefore, this paper provides guidance and clarification on the proper weight classification of elements in a weight estimate with a focus on the newer technologies and practices.
