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Determination of construction process duration based on labor productivity estimation: A case study

Darja Kubečková

Darja Kubečková

VŠB-Technical University of Ostrava, Faculty of Civil Engineering Department of Construction L. Podeště 1875Ostrava-Poruba, Czech Republic
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Kubečková, Darja
 et 
Stanislav Smugala

Stanislav Smugala

Department of Construction, Faculty of Civil Engineering, VŠB – Technical University OstravaOstrava – Poruba, Czech Republic
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Smugala, Stanislav
  
20 nov. 2021
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Catégorie d'article: Research Paper
Publié en ligne: 20 nov. 2021
Pages: 2521 - 2538
Reçu: 21 mars 2021
Accepté: 30 sept. 2021
DOI: https://doi.org/10.2478/otmcj-2021-0031
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© 2021 Darja Kubečková et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Fig. 1

Type of above-ground floor of building J1–J2.
Type of above-ground floor of building J1–J2.

Fig. 2

Comparison of process duration.
Comparison of process duration.

Plastering works – Distribution of number of plasterers in work queue no_1

Floor No. of plasterers Overall performance plan m2/sm Overall performance plan m2/month
1 8 87.6 1,752
2 8 87.6 1,752
3 – – –
4 – – –
5 – – –
6 – – –
7 – – –
ς 16 175.2 3,504

Plastering works SO J 34

Worker no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Performance/shift 12 11 10 12 11 13 12 11 10 12 11 10 13 10 12 11
Worker no. 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
Performance/shift 12 11 11 12 11 13 12 11 12 12 11 12 13 12 10 12

Calculation of observed value XOBS – originally wrongly numbered 2

Ordered Series (i) (í−1)/n í/n F(x) D pro D pro D
Values x i/n (í−1)/n
10 1 0 0.063 0.036 0.027 0.036 0.036
10 2 0.063 0.125 0.036 0.089 −0.027 0.089
11 9 0.5 0.563 0.274 0.289 −0.226 0.289
12 10 0.563 0.625 0.726 −0.101 0.163 0.163
12 11 0.625 0.688 0.726 −0.038 0.101 0.101
12 12 0.688 0.75 0.726 0.024 0.038 0.038
12 13 0.75 0.813 0.726 0.087 −0.024 0.087
12 14 0.813 0.875 0.726 0.149 −0.087 0.149
13 15 0.875 0.938 0.964 −0.026 0.089 0.089
13 16 0.938 1 0.964 0.036 0.026 0.036
Langue:
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Sujets de la revue:
Ingénierie, Présentations et aperçus, Ingénierie, autres
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