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Abstract

The situation on the construction market is difficult. One way to improve it can be to implement modern methods and techniques related to the lean management in construction. The article presents an algorithm supporting the selection of appropriate Lean Management tools and techniques for construction companies using AHP method. The efficiency of the proposed algorithm is illustrated by a case study consisting of a small construction company performing insulation works in a multifamily house. The presented approach is part of the broader research work carried out by the authors in the field of improving construction processes and verifying the efficiency and effectiveness of Lean Management methods and techniques construction works.
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Authors and Affiliations

Piotr Nowotarski
1
Jerzy Pasławski
1
Patrick Dallasega
2

  1. Poznań University of Technology, Faculty of Civil Engineering and Transport, Piotrowo 5, 61-139 Poznań, Poland
  2. Free University of Bolzano, Faculty of Science and Technology, piazza Università, 539100 Bozen-Bolzano, Italy
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Abstract

The aim of the article is indicating the advantages of utilizing the synergy obtained by introducing two management methods: Lean Construction and Agile Management using the example of the process of deliveries of concrete mix in road construction. Despite the seemingly contradictory assumptions (Lean Management aims at limiting wastefulness and maximizing the value for the customer and agile management serves for creating the possibility for fast, effective response to non-expected changes thanks to the adopted strategy of flexibility, which usually requires engaging additional resources), both management methods deliver the effect of increasing the effectiveness of the machine laying the pavement. Using a “spaghetti diagram” (one of the tools of Lean Management) led to limiting the time losses during loading and unloading the concrete mix destined for constructing highway pavement. On the other hand, the tactic of technological flexibility in the form of a modification of the concrete mix allowed for broadening the time frame for the delivery of concrete to the construction site to as much as two hours. Moreover, applying the real time delivery management system (in accordance with the assumptions of Construction 4.0) created the possibilities for ensuring quick reacting to the changing conditions of delivery and laying the concrete mix in the pavement and ensuring the appropriate functioning of the machine laying the pavement. The presented examples indicated the advantages of the suggested concept in reference to the traditional solution.
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Authors and Affiliations

Jerzy Pasławski
1
Tomasz Rudnicki
2
ORCID: ORCID

  1. Poznan University of Technology, Faculty of Civil and Transport Engineering, ul.Piotrowo 5, 60-965 Poznan, Poland
  2. Faculty of Civil Engineering and Geodesy, Military University of Technology in Warsaw, 2 Gen. S.Kaliskiego St., 01-476 Warsaw, Poland
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Abstract

The problem of the proper functioning of Park-and-Ride facilities seems to be of key importance for ensuring appropriate transport in cities in which the intensity of road traffic is systematically increasing, together with the increase of environmental pollution (air pollution, noise etc.). The attractiveness of a car park of this kind seems obvious – instead of a burdensome journey in one’s own car, one changes the vehicle to fast municipal public transport or another means of transport (a bike, a scooter), or reaches the destination on foot. This results in benefits – above all in terms of comfort (shortening the time of the journey), health advantages etc. As has been proven by experiments, facilities of this kind are an expensive investment, the location of which (e.g. stand-alone) does not always ensure full utilization. The concept presented in the article assumes the possibility of a gradual extension of the multistorey car park following the increase of the demand. The article attempted to demonstrate that one of the sources of increasing attractiveness is the appropriate location (guaranteeing easy commute to the car park), the possibilities to continue the journey in an attractive way, then increasing the attractiveness through the possibility to use various services (shopping, the gym, the swimming pool, cinema, restaurants) and thirdly: the plan of launching the car park and its utilization in the life cycle should ensure the possibility of flexible reacting to changes of the demand (the experiences of the ongoing pandemic indicate that there is no guarantee of ensuring systematic demand increase). An element which also seems significant is the limitation of costs in the initial stage of investments of this kind with the possibility of gradual extension following the change of user habits.
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Authors and Affiliations

Jerzy Paslawski
1
ORCID: ORCID
Tomasz Rudnicki
2
ORCID: ORCID

  1. Poznan University of Technology, Faculty of Civil and Transport Engineering, 5 Piotrowo St., 60-965 Poznan, Poland
  2. Faculty of Civil Engineering and Geodesy, Military University of Technology in Warsaw,2 Gen. S. Kaliskiego St., 01-476 Warsaw, Poland

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