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Simple method to improve the TCXDVN 306:2004 indoor climate standard for closed office workplaces in Vietnam

Ha Pham T. H., Hoa Nguyen T., Binh Pham T.

Przegląd Naukowy Inżynieria i Kształtowanie Środowiska

2021

Vol. 30, No. 1

117--133

Thermal comfort is an important parameter of indoor climate, which affects office worker health and productivity, and also aids planning for energy efficient building design and operation. To provide satisfactory thermal comfort in office workplaces under hot and humid outdoor conditions, most contemporary office buildings in Vietnam are fitted with ducted air-conditioning systems. The current Vietnamese standard TCXDVN 306:2004 for indoor climate was derived from thermal comfort research conducted between the 1960s and 1980s. This standard is limited by various drawbacks, including no distinction between natural or artificial environments. In response, this 2018 research provides physical measurements and opinion surveys of current indoor climatic conditions in representative office workplaces in three regions of Vietnam: North, Central and South. The measurement results have been transformed into ET, PMV and PPD indicators, which value demonstrate the shortcomings of the TCXDVN 306:2004 standard, while providing a baseline input for updating this standard to meet the thermal comfort needs of air-conditioned office workplaces, based on the concept of probability comfort, which are integral with the ISO and the ASHRAE standard.

Model of the adaptive dynamic workplace

Horvathova Blanka, Dulina Luboslav, Bigosova Eleonora

Zarządzanie Przedsiębiorstwem

2020

Vol. 23, nr 3

2--9

The hidden effect of the gradual transformation of work activities and, at the same time, the optimization of movements to increase the efficiency of the production system is the increase of the static component of work. However, the current setting of the legislative and ergonomic assessment does not sufficiently take into account the aspect of static load. Because the number of sedentary professions is continually growing and current office workplaces do not meet all ergonomic requirements, the presented model of an adaptive dynamic workplace is a possible solution to reduce the impact of static load and its consequences to the human body.