Application of Fmea Methodology for Checking of Construction’s Project Documentation and Determination of the Most Risk Areas

Tuháček, Martin; Franek, Ondřej; Svoboda, P.

doi:10.14311/ap.2020.60.0448

Cited by 5 publications

(3 citation statements)

References 10 publications

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“…From the measurements taken, it can be concluded that the headroom will in fact be reduced, and in about 75 % of cases, the headroom will already be reduced during the rough construction. The design calculation of the recommended headroom, therefore, correctly assumes a margin for deviations in geometric accuracy, ceiling slab deflections and finishes on the underside of the ceiling that are not quoted [8].…”

Section: Measured Headroom Deviationsmentioning

confidence: 99%

Recommended procedure for headroom design according to geometric parameters of building structures

Veselá

2022

Acta Polytech

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The system of Czech technical standards for geometric accuracy assumes that the designer determines the functional geometric parameters for a specific building. By calculation, he verifies them in the so-called “geometric plan” in the project documentation. The functional geometric parameters should be determined primarily for critical elements, i.e. for structures whose geometric accuracy is important for the execution of subsequent works, such as technologies requiring high precision and specific structures. The assumption is that designers will incorporate variations in geometric accuracy primarily in the development of the spatial parameters of the structures, which should ensure that the dimensional requirements for the completed structures will be met. One of these parameters is headroom. The design of headroom must respect the minimum height requirements prescribed by legislation, and where appropriate, by technical standards. At the same time, the design must respect the technological possibilities of the construction of individual structures – geometric deviations. To comply with the dimensional requirements for the completed structures, the geometric accuracy deviations should be determined in accordance with the requirements of the technical standards for the execution of the individual parts of the building structures and/or for their design. The aim of this article is to establish a calculation procedure for determining the safe design clearance so that the requirements of the legislation are met after implementation. The increase is determined based on a calculation procedure of the limiting geometric deviations that may affect the resulting headroom.

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Section: Measured Headroom Deviationsmentioning

confidence: 99%

Recommended procedure for headroom design according to geometric parameters of building structures

Veselá

2022

Acta Polytech

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“…For optimal implementation of this new experimental method into the indoor environment of buildings, it is appropriate to incorporate the conceptual solution of the method, including preliminary calculations into the design of newly prepared projects of intelligent buildings before construction to eliminate the possible shortcomings of the design itself, which take into account a spatial arrangement and furniture in the indoor environment, effect of sunlight and overall urbanism of the site (Tuháček et al, 2020;Buratti et al, 2017;Liu et al, 2019;Aryal & Leephakpreeda, 2015). The indoor environment of buildings is polluted from the point of view of CO 2 mainly by human activity, while the administrative worker produces on average 31.5 g/h/person of CO 2 in the office environment (Persily & de Jonge, 2017).…”

Section: Description Of the Current Statementioning

confidence: 99%

On Implementation of Plants in the Indoor Environment in Intelligent Buildings

Franek

Jarský

2021

EREM

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The article deals with the research of the influence of plants on the potential energy savings in the field of ventilation of intelligent buildings. It is known that selected plants can effectively reduce the concentration of carbon dioxide even in the indoor environment of buildings in poor lighting conditions. The paper presents a theoretical simulation method that shows the potential of selected plants to reduce the concentration of carbon dioxide in the indoor environment and thus reduce the requirement for the amount of supplied air in intelligent buildings which are air-conditioned based on the current and required concentration of carbon dioxide. The results of the research are very influential; in terms of overall percentage savings, plants have the most significant effect in buildings with lower indoor air quality (IDA4+), while they have a less significant effect in areas with high air quality according to carbon dioxide concentration (IDA2, IDA3). Research with the help of computer simulation shows that the implementation of 1 m2 of living green plants, depending on the quality class of the IDA indoor environment, can bring savings on the amount of supplied air in the range of 0.058 % to 1.997 % for a typical office for 4 people.

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“…An interesting solution may be the implementation of green plants in the indoor environment of buildings, in order to passively improve the air quality and thus reduce the total amount of air supplied to the indoor environment of the building, and ideally, for the maximum degree of optimization and prevention of shortcomings of the design itself [10]. It has previously been shown that the implementation of greenery can have a positive effect on indoor humidity, while it can also have a positive effect on the reduction of CO 2 concentration in naturally ventilated buildings [11].…”

Section: Introductionmentioning

confidence: 99%

On reducing CO2 concentration in buildings by using plants

Franek

Jarský

2021

Acta Polytech

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The article deals with the implementation of plants in the indoor environment of buildings to reduce the concentration of CO2. Based on a specified model representing the internal environment of an office space, it was studied whether the requirement for the total amount of ventilated air could be reduced by using plants, thereby achieving savings of operating costs in the building ventilation sector. The present research describes the effect of plant implementation according to different levels of CO2 concentration of the supply air, specifically with values of 410 ppm corresponding to the year 2020, 550 ppm to the year 2050 and 670 ppm to the year 2100, as well as according to different levels of CO2 concentration in the indoor environment, namely 1000 ppm and 1500 ppm, the illumination of plants in the indoor environment is constant in the model, PPFD equals to 200 μmolm−2 s−1. Based on the computational model, it was found that the implemented plants can positively influence the requirement for the total amount of ventilated air, the most significant effect is in the case of a low indoor environment quality, with the CO2 concentration of 1500 ppm, and a high supply air quality 410 p˙pm. The simulation also showed that compared to 2020, by the year 2100, it will be necessary to increase the ventilation of the indoor environment by 25.1% to ensure the same quality of the indoorenvironment.

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Application of Fmea Methodology for Checking of Construction’s Project Documentation and Determination of the Most Risk Areas

Cited by 5 publications

References 10 publications

Recommended procedure for headroom design according to geometric parameters of building structures

Recommended procedure for headroom design according to geometric parameters of building structures

On Implementation of Plants in the Indoor Environment in Intelligent Buildings

On reducing CO2 concentration in buildings by using plants

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