Abstract
Abstract. The purpose of this contribution is to describe the use of the HBIM method for the management of the restoration building site applied to a historic building in the heart of the historic center of L'Aquila. The construction is located in a densely constructed area and it is characterized by a high spatial complexity with various types of limitations including: small external and internal spaces and interferences due to neighboring construction sites. The proposed method involves a particularly detailed organization of the construction site, simultaneously planning both the development of the working and the safety in order to have more transparency and more control of the information shared among stakeholders. This method consists in planning the Gantt diagram from general to detailed level, according to certain parameters that will be cross-examined and checked regurarly. A screening step has been carried out regarding the current situation, the proceedings to be undertaken and the stakeholders to be included. Thank to this, it has been possible to have automated processes to control not only geometrical interferences but also the ones related to the completion of the work in the interest of enhancing the risk management. Due to a 3D and 4D BIM modelling, there are been found advanced layouts and some timeliners that have allowed a rigourus control of the building process, particularly in the case of precise working and potencial changes that are common in building sites of this type.
Highlights
The purpose of this contribution is to describe the use of the HBIM (Heritage Building Information Modeling) method for the management of the restoration building site (Garagnani, 2015)
Thanks to a 3D BIM model, advanced layouts have been identified. They show the change of conformation of the building site and a time schedule linked to the layouts (4D management) in order to have the possibility to evaluate the progress of the work in relation to the planning: we are on a certain day, we look at the model, at the reality and we deduce the necessary conclusions, so we will need checkpoints to monitor the quality of the work done
There are many benefits: it is possible to focus attention on sensitive moments, analyze them on the model from different angles and understand the existing risk factors facilitating the safety checks because there must be congruence between what it is indicated in the model and what is realized in reality
Summary
The purpose of this contribution is to describe the use of the HBIM (Heritage Building Information Modeling) method for the management of the restoration building site (Garagnani, 2015). “Because in the intervention of the existing buildings,the constrution area is no longer the place of the pure execution of working but the theather where action, technique and scientific thinking are connected under the guidance of a creative, vigilant, cultured leading conducted by a Project Manager or a General Contractor” (De Berardinis et al, 2018) It is proposed the application of the method for a historic building in the heart of the historic center of L'Aquila, which suffered enormous damage after the earthquake in 2009 and it is among the largest building sites in Europe. There are various types of limitations including: small external and internal spaces, interferences due to neighboring construction sites, very narrow width of the streets with consequent problems for the passage of heavy vehicles, and for any overlap of flow between the building site, emergency escape / exodus routes and pedestrian paths These critical issues are connected to the historical centre in full rebirth and repopulation and it is not possible to have a single-service road for reconstruction work. He will help the BIM Manager and he will lead workset to articular enteties, because everyone will receive not the whole amount of the datas but only the specific ones for his area in order to prevent the blurring of roles and responsabilities (Ferrara, Feligioni, 2016)
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