Dimensionamento de rede de distribuição de ar comprimido medicinal em hospital de grande porte

Abstract

Using air as medicine has led the development of compressed medicinal air to a essencial input in hospital facilities. However, it is necessary to guarantee the quality, safety and efficiency of air distribution to patients. In order to maintain these requirements, in Brazil the Brazilian Norm (NBR) 12188 from 2016 integrates the main information for designing, execution and assembling of a compressed medical air supply network. The present work provides a case of study based on the pipe dimensioning of a medical compressed air distribution network in a large hospital toward to ensure compliance with regulatory standards. The methodology is applied in a tertiary-level public health care facility. It is implemented techniques to sectioning areas according to their application, design flow calculations indicated by Brazilian standards and resolutions, and pneumatic dimensioning distribution network resources provided by Fialho (2004) in order to calculate the minimum piping internal diameter. The public health care facility is comprised of wards, isolation and general observation rooms, intermediate units (IU), intensive care units (ICU) and operating rooms. The number of outlets requested by the contractor of the service is checked with the normative information, in addition to the established layout and pipe dimensioning. Finally, the distribution network is dimensioned in compliance with the area and their ramifications presenting a total peak design flow of 468,3 m³/h. Furthermore, the project predicts future expansions, where the main network supply equipment is suggested with observations related to oversizing caused by the contractor request in operating rooms.