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Maintenance testing is a test that is performed to either identify equipment problems, diagnose equipment problems, or confirm that repair measures have been effective. It can be performed at either the system level (e.g., the HVAC system), the equipment level (e.g., the blower in an HVAC line), or the component level (e.g., a control chip in the control box for the blower in the HVAC line).
A version of the ANSI/NETA Standard for Maintenance Testing Specifications was first published in 1975, with the most recent edition released in 2015. In 2013, the latest version of NETA's very first publication, the ANSI/NETA Standard for Acceptance Testing Specifications for Electrical Power Equipment and Systems , was verified as an American ...
The NESC contains the procedure and time schedule for revising the NESC, which are described in the back of the code book. The NESC has an interpretation committee that issues formal interpretations. The process for obtaining a formal interpretation is outlined in the front of the code book. The NESC is currently published on a 5-year cycle.
The marine and air transportation, [9] offshore structures, [10] industrial plant and facility management industries depend on maintenance, repair and overhaul (MRO) including scheduled or preventive paint maintenance programmes to maintain and restore coatings applied to steel in environments subject to attack from erosion, corrosion and environmental pollution.
Pressure-retaining items can be registered with the National Board, requiring certain uniform quality standards be achieved certifying the manufacturing, testing, and inspection process. To obtain a certification the registered items have to be inspected by National Board-commissioned inspectors and built to required standards.
Maintenance, and hence maintenance engineering, is increasing in importance due to rising amounts of equipment, systems, machineries and infrastructure. Since the Industrial Revolution , devices, equipment, machinery and structures have grown increasingly complex, requiring a host of personnel, vocations and related systems needed to maintain ...
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NFPA 70B — Recommended Practice for Electrical Equipment Maintenance; NFPA 72 — National Fire Alarm Code; NFPA 704 — Standard System for the Identification of the Hazards of Materials for Emergency Response; NFPA 853 — Standard for the installation of stationary fuel cell power systems; NFPA 921 — Guide for Fire and Explosion ...
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