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Problems of assessing the duration and cost of restoration projects on the example of Poland, Slovakia and Lithuania

Radziszewska-Zielina E., Szewczyk B., Sroka B., Śladowski G., Mesároš P., Kutut V.

Przegląd Naukowy Inżynieria i Kształtowanie Środowiska

2018

Vol. 27, No. 1

3--8

The restoration of existing structures, especially historical ones, is a complicated endeavour. The often insuffi cient identification of the extant state of a building, the possibility of archaeological fi ndings and the necessary procedures involving the securing and conservation of historical substance lead to diffi culties in assessing the duration and cost of a planned project. The goal of the article is the presentation of the results of a study focusing on these assessments. Surveys were carried out among a group of developers, designers and contractors from Poland, Lithuania and Slovakia – all of whom had experience in the restoration of historical structures. The analysis of the results pointed to a low accuracy of the assessment of the cost of construction of these types of projects. The respondents expressed the need to take into account additional costs of the carrying out of these types of projects. The respondents highlighted the need to take into account additional costs of the performing of additional and substitute work as a result of considering different scenarios of the construction of restoration projects.

Assessment of priority alternatives for preservation of historic buildings using model based on ARAS and AHP methods

Kutut V., Zavadskas E. K., Lazauskas M.

Archives of Civil and Mechanical Engineering

2014

Vol. 14, no. 2

287--294

Numerous countries are trying to find the best method for suitable management of real estate objects that encompass both material value and cultural property. Cultural property can be defined as historical heritage in the form of volumetric and planned spaces of buildings. Yet another problem lurks in utilization and maintenance of such buildings, which are usually regulated by national legislation thus aggravating certain decision-making processes related to their adjustment to the needs of the public or investors. This article addresses the status of some buildings located in the historic city centre of Vilnius and analyses indicators, on the basis of which such buildings could be assessed in order to identify their need for reconstruction, considering archaeological, historical, architectural, economic, social and other arguments. As experience in reconstruction suggests, such decisions demand for well-reasoned and precise concepts as each hasty conclusion usually results in mistakes that demand for additional work and funds. AHP and ARAS methods, which are well-known in decision-making, have been chosen to design the algorithm for priority setting.