The technical meaning of maintenance involves functional checks, servicing, repairing or replacing of necessary devices, equipment, machinery, building infrastructure and supporting utilities in industrial, business, and residential installations. Terms such as "predictive" or "planned" maintenance describe various cost-effective practices aimed at keeping equipment operational; these activities occur either before or after a potential failure.
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👉 Maintenance, repair and operations in the context of Janitor
A cleaner, cleanser or cleaning operative is a type of industrial or domestic worker who is tasked with cleaning a space. A janitor (Scotland, United States and Canada), also known as a custodian, Facility Operator, porter or caretaker, is a person who cleans and might also carry out maintenance and security duties. A similar position, but usually with more managerial duties and not including cleaning, is occupied by building superintendents in the United States and Canada and by site managers in schools in the United Kingdom.
According to the Cambridge English dictionary a "cleaner" is "a person whose job is to clean houses, offices, public places, etc.:"; the Collins dictionary states that: "A cleaner is someone who is employed to clean the rooms and furniture inside a building." However, a cleaner does not always have to be employed and perform work for pay, such as in the case of volunteer work or community service. "Cleaner" may also refer to cleaning agents e.g. oven cleaner, or devices used for cleaning, e.g. vacuum cleaner.
In this Dossier
- ⭐ Core Definition: Maintenance, repair and operations
- 👉 Maintenance, repair and operations in the context of Janitor
- Maintenance, repair and operations in the context of Urban park
- Maintenance, repair and operations in the context of Tube cleaning
- Maintenance, repair and operations in the context of Trivandrum International Airport
- Maintenance, repair and operations in the context of Rack-rent
Maintenance, repair and operations in the context of Urban park
An urban park or metropolitan park, also known as a city park, municipal park (North America), public park, public open space, or municipal gardens (UK), is a park or botanical garden in cities, densely populated suburbia and other incorporated places that offers green space and places for recreation to residents and visitors. Urban parks are generally landscaped by design, instead of lands left in their natural state. The design, operation and maintenance is usually done by government agencies, typically on the local level, but may occasionally be contracted out to a park conservancy, "friends of" group, or private sector company.
Depending on size, budget, and land features, which varies considerably among individual parks, common features include playgrounds, gardens, hiking, running, fitness trails or paths, bridle paths, sports fields and courts, public restrooms, boat ramps, performance venues, or BBQ and picnic facilities. Park advocates claim that having parks near urban residents, including within a 10-minute walk, provides multiple benefits.
Maintenance, repair and operations in the context of Tube cleaning
Tube cleaning describes the activity of, or device for, the cleaning and maintenance of fouled tubes.
The need for cleaning arises because the medium that is transported through the tubes may cause deposits and finally even obstructions. In system engineering and in industry, particular demands are placed upon surface roughness or heat transfer. In the food and pharmaceutical industries as well as in medical technology, the requirements are germproofness, and that the tubes are free from foreign matter, for example after the installation of the tube or after a change of product. Another trouble source may be corrosion due to deposits which may also cause tube failure.
Maintenance, repair and operations in the context of Trivandrum International Airport
Thiruvananthapuram International Airport (IATA: TRV, ICAO: VOTV) is an international airport that serves Thiruvananthapuram, the capital city of Kerala, India. Established in 1932, it is the first airport in the state of Kerala and the fifth international airport of India, officially declared in 1991. The airport, spread over an area of 800 acres (320 ha), the airport is approximately 3.7 km (2.3 mi) due west from the city centre and the Padmanabhaswamy Temple, 16 km (9.9 mi) from Kovalam beach, 13 km (8.1 mi) from Technopark and 21 km (13 mi) from Vizhinjam International Seaport. It shares a visible proximity to Shankumugham Beach making it the nearest airport to a water body in India as it is just about 0.6 miles (approx. 1 km) away from the Arabian Sea. It is also the southern most international/domestic airport in the Indian subcontinent.
The airport is the second-busiest airport in the state of Kerala, eighth-busiest airport in India in terms of international traffic and the 16th overall in India, as of 2024. In the financial year 2024-25, the airport handled over 4.8 million passengers, with a total of around 31,800 aircraft movements.In addition to civil operations, the airport headquarters the Southern Air Command (India) of the Indian Air Force (IAF) and the Indian Coast Guard for their operations. IAF has an exclusive apron to handle all their operations. Thiruvananthapuram Airport also caters to the Rajiv Gandhi Academy for Aviation Technology, which carries out pilot training activities. The airport hosts Air India's narrow body maintenance, repair and overhaul (MRO) unit consisting of twin hangars for servicing Boeing 737-type aircraft, servicing mostly Air India Express aircraft.
Maintenance, repair and operations in the context of Rack-rent
Rack-rent denotes two different concepts:
- an excessive rent.
- the full rent of a property, including both land and improvements as if it were subject to an immediate open-market rental review.
The second definition is equivalent to the economic rent of the land plus interest on capital improvements plus depreciation and maintenance—the normal market rent of a property—and is not inherently excessive. Also, this may be different from the rent actually being received. For short term lettings—e.g. rooms in hotels or houses let for holidays, the "rack rent" is the maximum potential rent assuming full occupancy (less downtime for repairs).