The value of goods and services needed to operate a constructed project and make repairs and replacements necessary to maintain the project in a sound operating condition during its economic life.
OPERATION, MAINTENANCE, AND REPLACEMENT COSTS (O M & R)
Meaning of OPERATION, MAINTENANCE, AND REPLACEMENT COSTS (O M & R) in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012