A Conceptual Framework of Quality-Assured Fabrication, Delivery and Installation Processes for Liquefied Natural Gas (LNG) Plant Construction

Abstract

Construction productivity issues in the Liquefied Natural Gas (LNG) construction industry can lead to project cost blowouts. Time wasted by construction personnel getting the right information on megaprojects can be a substantial contributing factor. It appears that the communication on site is not cost effective, judging by the number of large project that have experienced budget overruns in the past. More importantly, as-built design documentation often fails the quality test, resulting in operational inefficiencies once the plant has been handed over from Construction to Operation Phase. Common errors during the static prefabrication, dispatch and installation processes can result in serious rework as a significant amount of construction time and budget is wasted.To minimise these problems, this paper recommends to better control the dynamic natures of construction. This study propagates a conceptual framework for assuring quality of modular construction in LNG plants by introducing a Situation Awareness construction environment with well-defined sensing and tracking technologies. While encountering situations inconsistent with plans during construction, such as time delay, fabrication errors, conflicts in terms of accessibility and constructability issues and so forth, sensors mounted in situ can discover such situations and recursively fed back to field personnel. Automation and robotics technologies, such as real-time path planning, collision detection and deviation examination utilizing as-planned building information model, can assist engineers to rapidly react with inconsistent situations and make acceptable decisions instead of partially or entirely suspending the workforce through massive reworks. In this study, we conduct a preliminary study in demonstrating the feasibility of utilizing sensory devices and automatic planning technologies. The expected results of adopting the framework are the quality-assured modular construction J Intell Robot Syst and execution plans during construction stages to save rework construction time and budget.

A critical review of the use of 3-D printing in the construction industry

“…Components produced by 3-D printer need to 451 be tested in relationship to building scale constraints as individually produced objects, then as 452 a complete assembly of objects (Sass and Oxman, 2006). BIM is an effective approach to 453 simulate the overall assembly process and detect potential assembly issues before real printing 454 (Zhang and Hu, 2011;Chi et al, 2014). Interaction between 3-D printing and BIM gives new meaning to systematic ways of analysing connection strength, printing methods, and appearance.…”

Streamlining Digital Modeling and Building Information Modelling (BIM) Uses for the Oil and Gas Projects

“…x x x (Chi et al, 2015);(Trujens et al, 2014); (Xu et al, 2012) (Aveva, 2015; (Aveva, 2015,p.26-30); (Aveva, 2015,p.34-37); (Aveva, 2015,p.48-51); (Aveva, 2015,p.40-41); (Bentley, 2013,p.62); (Intergraph, 2013); (Intergraph, 2015) Gather; Generate Equipment management x x - (Bentley, 2015,p.13) Gather; Generate…”

Tecnologias emergentes para o controle de qualidade da construção civil

“…Dentro dos estudos analisados no tema de RV/RA para o controle de qualidade foi possível observar uma tendência inicial para o uso desta tecnologia no controle das tarefas já executadas, ao final de seu processo (SIU e LU, 2011;CHI et al, 2015;TEZEL e AZIZ, 2017;ZHOUL et al, 2017), enquanto apenas um dos estudos utilizou a tecnologia para auxiliar o controle de qualidade durante o processo da construção (KWON et al, 2014). Apesar do pequeno número de pesquisas neste tema, existe uma lacuna de pesquisa sobre o uso desta tecnologia para melhorar o controle de qualidade da construção durante os seus processos.…”