Abstract
ABSTRACTThe ship alteration (ShipAlt) process does not lend itself to the rapid accomplishment of small scale design changes to improve equipment performance and reliability. It is a necessarily lengthy and complex system, designed to deal with very large and costly projects. With one document, it causes replacement or modification of major ship systems. For this reason, ShipAlts are subjected to many reviews and design changes so that the final product will materially enhance the fleet's operational capabilities.The competition for scarce resources has left the Navy with a large number of needed design changes with no programmatic means to accomplish them. Various Navy communities have developed procedures to address this problem.This paper will show how the Naval Sea Systems Command‐sponsored machinery alteration (MachAlt) program addresses the small design change problem for hull, mechanical and electrical (HM&E) systems. MachAlts are design changes to equipments that do not require system interface changes and may be installed outside of industrial activities. The paper will discuss how the MachAlt concept was developed and will give a status report and assessment of the program to date.
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