In a deregulated power industry, a maintenance strategy is of critical importance for transmission systems composed of aging components. Such a strategy can provide significant cost savings by optimizing maintenance decisions for power system operation. This paper presents a Reliability-Centered Maintenance (RCM) model for developing a maintenance strategy in a transmission system. This model i...

All software estimation techniques rely in some way on past experience to predict the time and effort required to accomplish a software task. The accuracy of these techniques depends on 1. the extent to which past experience is relevant to the a new project at hand, 2. the extent to which any variation has been accounted for and parameterized, and 3. the skill of the user estimator in assigning...

This paper provides a summary of the cost-effectiveness research for family therapy. Data were available from four different sources in the United States: (1) a health maintenance organization with 180,000 subscribers; (2) the Medicaid system of the State of Kansas; (3) CIGNA Behavioral Health, a division of a health insurance company with nine million subscribers; and (4) a family therapy trai...

Nacrtak A sample of 44 professional chainsaws was used to determine service life and maintenance cost for this type of equipment. Data were sourced from a large workshop, catering for regional forest crews in north western Italy. Chainsaw service life exceeded 3000 hours, and spread over a period of 6 to 9 years. Under these conditions, maintenance cost averaged 820 €, or about 120 % of the inv...

This article estimates the extent to which private insurance supplements affect use of services by Medicare enrollees. Three types of supplements to Medicare's coverage are examined--Health Maintenance Organizations (HMOs), medigap (MGP) plans, and employment-based indemnity (EBI) plans. While each kind of supplement reduces cost sharing on Medicare-covered services, only HMOs do so without inc...

Maintenance has gained in importance as a support function for ensuring equipment availability, quality products, on-time deliveries, and plant safety. Cost-effectiveness and accuracy are two basic criteria for good maintenance. Reducing maintenance cost can increase enterprise profit, while accurate maintenance action can sustain continuous and reliable operation of equipment. As instrumentati...

General Authority for Educational Buildings (GAEB) in Egypt is responsible for new construction and maintenance of the educational building [1]. According to the Sixth Five- Years Plan in Egypt, the program of educational structures includes new construction of about 2915 schools, with 39.8 thousand classes. Also, maintenance works for buildings about 1250 schools. These works needs a high budg...