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ESTIMATING ANNUAL RUNNING COSTS
MAINTENANCE
The annual cost of maintaining the installation in good running
order depends upon the type of plant, general design, annual running
time,
and the quality of day-to-day care and attention given to the
equipment, especially in the boiler room. The effects of these variable
influences are unpredictable, and it is usual to add a small percentage
based upon the capital cost of the boiler room plant, to cover repairs,
lubrication, and daily maintenance. The greater portion of main-
tenance expenditure is for repair work and running materials, such
as lubricating oil, and minor replacements in the boile ...