Abstract
The variety of a hospital’s users leads to different levels of requirements relating to indoor environmental conditions. The responsibility for generating these favourable conditions for the pathologies treated in the different areas of a hospital lies with heating, ventilating and air-conditioning (HVAC) system. They carry out the control of nosocomial infections. Consequently, establishing adequate maintenance plans for these facilities will have a high positive impact on economic and environmental management, on the one hand, and on people's health, on the other. The aim of this work is to analyse foreseeable information and results generated after applying condition-based maintenance (CBM) techniques. The Weibull distribution was used to model the distribution of equipment failures and the potential of the information obtained from applying the CBM methodology was highlighted. The results of this work represent an improvement in the working practise of the HVAC facilities hospital maintenance departments. They dispose of information to decide on investment in equipment taking into account maintenance costs. In addition, this allow analyse data to know current status of a piece of equipment or unit, thus establishing an optimized maintenance plan considering asset’s remaining useful life and associated maintenance costs.
Highlights
Hospitals are inhabited by a multitude of people with a very variable state of health
Hospital heating, ventilating and air-conditioning (HVAC) installations are an effective tool in the fight against nosocomial infections [1], so providing adequate indoor environmental conditions in hospitals is intimately related to people's health
The inclusion of Weibull Distribution in these fault analyses enables the maintenance of hospital HVAC facilities to be managed from a predictive perspective
Summary
Hospitals are inhabited by a multitude of people with a very variable state of health. Hospital heating, ventilating and air-conditioning (HVAC) installations are an effective tool in the fight against nosocomial infections [1], so providing adequate indoor environmental conditions in hospitals is intimately related to people's health. Other variables different from the thermohygrometric ones are used to define the specifications of the necessary air conditioning in these rooms. These are: overpressure of the room, microbiological load, velocity of the impulsion and surface of the diffuser, etc. These variables must be conjugated in such a way as to create an ultra-clean air movement pattern that favors the dragging and elimination of airborne bioparticles from the work field
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