Stream methods of construction work organization: an introduction to the problem

Hejducki, Zdzisław; Mrozowicz, Juliusz

doi:10.1108/eb021172

Cited by 7 publications

(6 citation statements)

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“…This paper is a continuation of the problem, which has been described earlier in Engineering, Construction and Architectural Management by Hejducki and Mrozowicz (2001), titled “Stream methods of construction work organisation”. The earlier paper presented the foundation of construction work organisation methods, which considers time couplings.…”

Section: Introductionmentioning

confidence: 97%

“…A special essential contribution in the development of the above mentioned problem has been made, apart from Professor Afanasevs' team, also by: A. Melski (USA), M. Joudi (Syria), K. Fidler, J. Pialek (Germany), T. Izmajlow (The Czech Republic), G. Ortega‐Mengibura (Cuba), J. Mrozowicz (Poland) and others. Many problems have also been solved by various authors' (Hejducki, 2000; Hejducki and Mrozowicz, 1999, 2001).…”

Section: Introductionmentioning

confidence: 99%

“…Solutions of choice of optimal scheduling variants with the application of many criteria have been presented by Zavadskas et al (2002). The algorithm of construction work graphic schedule which considers the proper sequencing problem has been presented (Afanasev, 1994; Afanasev and Afanasev, 2000; Hejducki, 2000; Hejducki and Mrozowicz, 1999, 2001).…”

Section: Introductionmentioning

confidence: 99%

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Sequencing problems in methods of organising construction processes

Hejducki

2004

Engineering, Construction and Architectural Management

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This paper presents the algorithm of construction work graphic schedule which considers the proper sequencing problem. Describes the algorithm step by step, i.e. the construction work organisation methods with zero couplings between realisation means, work fronts, and their combination. It also shows the calculation process of limit possible minimum by considering technical and organisation limits. In the second part of the paper, the practical example which shows the method and the optimisation algorithm for the work organisation method with zero couplings between realisation means is presented.

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Section: Introductionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Sequencing problems in methods of organising construction processes

Hejducki

2004

Engineering, Construction and Architectural Management

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“…However, if the amount of work related with a process differs zone to zone and these differences do not stay in the same proportion for each process, then the sequence of zones becomes a key factor affecting the project duration. The problem of determining the optimal order of zones was addressed, among others, by Hejducki and Mrozowicz (2001), who assumed the same sequence of zones for each process, and later by Fan and Tserng (2006) and Fan et al (2012) who applied soft logic in defining precedence relations among processes of the same type in different work zones. However, all these authors assumed that exactly the same set of processes is to be conducted in each work zone, and no process can be conducted at the same time in different work zones.…”

Section: Introductionmentioning

confidence: 99%

Scheduling of Repetitive Construction Processes With Concurrent Work of Similarly Specialized Crews

Jaśkowski

Biruk

2020

Journal of Civil Engineering and Management

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The highest degree of construction works harmonization can be achieved when planning a repetitive project with processes replicated many times in work zones of identical size. In practice, structural considerations affect the way of dividing the object under construction into zones differing in terms of scope and quantity of works. Due to this fact, individual processes are being allotted to different non-identical zones. Most methods intended for scheduling repetitive processes were developed with the assumption that the work zones are identical and that a particular process cannot be concurrently conducted. To address this gap, the authors put forward a mathematical model of the problem of scheduling of repetitive processes that are repeated in different work zones with the following assumption: several crews of the same type are available, thus particular process can run simultaneously in different locations. The aim of optimization is minimizing the idle time of all crews under the constraint of not exceeding the contractual project duration. The proposed mixed binary linear programming model can be solved using software available in the market or developed into a dedicated system to support decisions. To illustrate the benefits of the model, an example of scheduling interior finishing works was provided.

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“…The construction scheduling methods that rest upon the flow shop algorithms come under many names, such as Stream Methods [15] and Time Coupling Methods (TCM) [16], to mention only those developed in Poland over the last few decades.…”

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confidence: 99%

Minimizing the Duration of Repetitive Construction Processes with Work Continuity Constraints

Jaśkowski

Biruk

2019

Computation

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This study adopts the flow shop concept used in industrial production to schedule repetitive non-linear construction projects, where specialized groups of workers execute processes in work zones (buildings) in a predefined order common to all groups. This problem is characteristic of construction projects that involve erecting multiple buildings. As the duration of the project heavily depends upon the sequence of the work zones, this study aims at providing a model and a practical approach for finding the optimal solution that assures the shortest duration of the project, allows the contractor to complete particular work zones (buildings) as soon as possible (without idle time), and conforms to a predefined sequence of work zone completion. This last constraint may arise from the client’s requirements or physical conditions of the project and has not been addressed by existing scheduling methods. Reducing the duration of the entire project brings the benefit of lower indirect costs and, if accompanied by a reduced duration of completing particular buildings (i.e., work zones), may also provide the opportunity to sell project deliverables sooner, thus improving the economic efficiency of the project. In search of optimal schedules, the authors apply the algorithms of Minimum Hamiltonian Cycle/Asymmetric Traveling Salesman Problem (ATSP).

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Stream methods of construction work organization: an introduction to the problem

Cited by 7 publications

References 0 publications

Sequencing problems in methods of organising construction processes

Sequencing problems in methods of organising construction processes

Scheduling of Repetitive Construction Processes With Concurrent Work of Similarly Specialized Crews

Minimizing the Duration of Repetitive Construction Processes with Work Continuity Constraints

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