TY - CHAP A1 - Mohan, Nijanthan A1 - Groß, Rolf Fritz A1 - Menzel, Karsten A1 - Theis, Fabian T1 - Opportunities and Challenges in the Implementation of Building Information Modeling for Prefabrication of Heating, Ventilation and Air Conditioning Systems in Small and Medium-Sized Contracting Companies in Germany – A Case Study T2 - WIT Transactions on The Built Environment, Vol. 205 N2 - FEven though BIM (Building Information Modelling) is successfully implemented in most of the world, it is still in the early stages in Germany, since the stakeholders are sceptical of its reliability and efficiency. The purpose of this paper is to analyse the opportunities and obstacles to implementing BIM for prefabrication. Among all other advantages of BIM, prefabrication is chosen for this paper because it plays a vital role in creating an impact on the time and cost factors of a construction project. The project stakeholders and participants can explicitly observe the positive impact of prefabrication, which enables the breakthrough of the scepticism factor among the small-scale construction companies. The analysis consists of the development of a process workflow for implementing prefabrication in building construction followed by a practical approach, which was executed with two case studies. It was planned in such a way that, the first case study gives a first-hand experience for the workers at the site on the BIM model so that they can make much use of the created BIM model, which is a better representation compared to the traditional 2D plan. The main aim of the first case study is to create a belief in the implementation of BIM Models, which was succeeded by the execution of offshore prefabrication in the second case study. Based on the case studies, the time analysis was made and it is inferred that the implementation of BIM for prefabrication can reduce construction time, ensures minimal wastes, better accuracy, less problem-solving at the construction site. It was observed that this process requires more planning time, better communication between different disciplines, which was the major obstacle for successful implementation. This paper was carried out from the perspective of small and medium-sized mechanical contracting companies for the private building sector in Germany. KW - building information modelling KW - HVAC KW - prefabrication KW - construction KW - small and medium scaled companies Y1 - 2021 U6 - http://dx.doi.org/10.2495/BIM210101 SN - 1743-3509 N1 - 4th International Conference on Building Information Modelling (BIM) in Design, Construction and Operations, 1–3 September 2021. Santiago de Compostela, Spain SP - 117 EP - 126 PB - WIT Press CY - Southampton ER - TY - JOUR A1 - Meyer, S. A1 - Hänel, Matthias A1 - Beeh, B. A1 - Dittmann-Gabriel, Sören A1 - Dluhosch, R. A1 - May, Martin A1 - Herrmann, Ulf A1 - [und 5 weitere], T1 - Multifunktionaler thermischer Stromspeicher für die Strom- und Wärmeversorgung der Industrie von morgen JF - ETG Journal / Energietechnische Gesellschaft im VDE (ETG) Y1 - 2020 SN - 2625-9907 VL - 2020 IS - 1 SP - 6 EP - 9 ER - TY - JOUR A1 - Meliß, Michael A1 - Windheim, R. T1 - Energiequelle für morgen : Möglichkeiten und Grenzen der Windenergienutzung - ein Statusbericht JF - VDI-Nachrichten. Bd. 31 (1977), H. 22 Y1 - 1977 SN - 0042-1758 SP - 37 EP - 38 ER - TY - JOUR A1 - Meliß, Michael A1 - Wiesner, W. T1 - Schwerpunkte der Arbeitsgemeinschaft Solar NRW. Dezentrale Energiesysteme sowie Test und Qualifizierung JF - Energiewirtschaftliche Tagesfragen. Jg. 46 (1996), H. 10 Y1 - 1996 SP - 648 EP - 655 ER - TY - CHAP A1 - Meliß, Michael A1 - Späte, Frank A1 - Lange, Harald T1 - The Solar-Campus Jülich - an interdisciplinary project T2 - Building a new century. 5th Conference on Solar Architecture and Design, Bonn, 27th of May 1998. Ed. by Eurosolar e.V. Ed. by Irm Pontenagel. Y1 - 1999 SN - 3-933745-03-9 SP - 382 EP - 387 PB - Eurosolar-Verl. CY - Bonn ER - TY - JOUR A1 - Meliß, Michael A1 - Späte, Frank T1 - The solar heating system with seasonal storage at the Solar-Campus Jülich JF - Solar energy. Vol. 69 (2000), iss. 6 Y1 - 2000 SN - 0038-092X SP - 525 EP - 533 ER - TY - JOUR A1 - Meliß, Michael A1 - Späte, Frank T1 - Erneuerbare Energien sollen in die Bresche springen. Geld, Kraft und politisches Wollen ist gefragt JF - VDI-Nachrichten. Nr. 46 vom 17.11.1995 Y1 - 1995 SN - 0042-1758 SP - 33 ER - TY - JOUR A1 - Meliß, Michael A1 - Späte, Frank T1 - Sonne, Wind und Biomasse zur umweltfreundlichen Energieversorgung JF - Wohnung + Gesundheit. Fachzeitschrift für ökologisches Bauen + Leben. 18 (1996), Nr. 79 Y1 - 1996 SN - 0176-0513 SP - 47 EP - 50 ER - TY - CHAP A1 - Meliß, Michael A1 - Späte, Frank T1 - Berechnung von Sonnenstand und -strahlung T2 - Regenerative Energiequellen : Praktikum / ed. Michael Meliß Y1 - 1997 SN - 3-540-63218-2 U6 - http://dx.doi.org/10.1007/978-3-642-60864-3_2 SP - 5 EP - 22 PB - Springer CY - Berlin ER - TY - CHAP A1 - Meliß, Michael A1 - Späte, Frank T1 - Auslegung von solarthermischen Anlagen T2 - Regenerative Energiequellen : Praktikum / ed. Michael Meliß Y1 - 1997 SN - 3-540-63218-2 U6 - http://dx.doi.org/10.1007/978-3-642-60864-3_3 SP - 23 EP - 47 PB - Springer CY - Berlin ER - TY - CHAP A1 - Meliß, Michael A1 - Späte, Frank T1 - Solar-Campus Jülich - an interdisciplinary project T2 - EuroSun '96 ; 10. Internationales Sonnenforum : proceedings. Bd 3 Y1 - 1996 SP - 1281 EP - 1285 PB - DGS-Sonnenenergie CY - München ER - TY - CHAP A1 - Meliß, Michael A1 - Späte, F. T1 - The "Summerschool Renewable Energies" at the Fachhochschule Aachen, Abteilung Jülich/Germany T2 - Harmony with nature : proceedings / ISES Solar World Congress, Budapest 1993. International Solar Energy Society, Hungarian Section (H-ISES); Hungarian Solar Energy Society (HSES). Vol. 1: Energy policy, environment and education Y1 - 1993 SP - 371 EP - 376 PB - Hungarian Energy Society CY - Budapest ER - TY - JOUR A1 - Meliß, Michael A1 - Selzer, H. A1 - Ziesing, H. J. T1 - CO2-Reduktionspotentiale erneuerbarer Energiequellen JF - Energiewirtschaftliche Tagesfragen. Jg. 41 (1991), H. 5 Y1 - 1991 SN - 0013-743X ; 0720-6240 SP - 291 EP - 299 ER - TY - CHAP A1 - Meliß, Michael A1 - Schwarzer, Klemens A1 - Späte, F. A1 - Neskakis, A. A1 - Buck, H. T1 - Die Arbeitsgemeinschaft Solar Nordrhein-Westfalen, Schwerpunkt B: Dezentrale Energietechnologien T2 - Energie und unsere Umwelt. 8. Internationales Sonnenforum '92, 30. Juni - 3. Juli 1992. Bd. 2 Y1 - 1992 SP - 1439 EP - 1444 PB - DGS-Sonnenenergie-Verl. CY - München ER - TY - JOUR A1 - Meliß, Michael A1 - Sandtner, W. T1 - Der Forschungsstand bei den regenerativen Energiequellen JF - Energiewirtschaftliche Tagesfragen. Jg. 46 (1996), H. 1/2 Y1 - 1996 SN - 0720-6240 SP - 14 EP - 23 ER - TY - CHAP A1 - Meliß, Michael A1 - Neskakis, A. A1 - Usbeck, S. A1 - Wagner, L. A1 - Wiediger, Jürgen T1 - Energy supply by coupled solar systems for decentralized application T2 - Harmony with nature : : proceedings / ISES Solar World Congress, Budapest 1993. International Solar Energy Society, Hungarian Section (H-ISES); Hungarian Solar Energy Society (HSES). Vol. 8: Biomass, agriculture, wind Y1 - 1993 SP - 343 EP - 348 PB - Hungarian Energy Society CY - Budapest ER - TY - JOUR A1 - Meliß, Michael A1 - Neskakis, A. A1 - Usbeck, S. A1 - Wagner, L. A1 - Wiediger, Jürgen T1 - Photovoltaisch versorgte Kühlanlage in Jülich und Chania JF - Energiewirtschaftliche Tagesfragen. Jg. 44 (1994), H. 9 (special) Y1 - 1994 SN - 0720-6240 SP - 22 EP - 25 ER - TY - JOUR A1 - Meliß, Michael A1 - Neskakis, A. A1 - Usbeck, S. A1 - Wagner, L. A1 - Wiediger, Jürgen T1 - Wind-PV-Hybridsystem an der FH Aachen/Jülich JF - Energiewirtschaftliche Tagesfragen. Jg. 44 (1994), H. 9 (special) Y1 - 1994 SN - 0720-6240 SP - 34 EP - 40 ER - TY - CHAP A1 - Meliß, Michael A1 - Neskakis, A. A1 - Usbeck, S. A1 - Wagner, L. A1 - Wiediger, Jürgen T1 - Energiebereitstellung für dezentrale Anwendungen durch gekoppelte Solarsysteme T2 - Achtes Nationales Symposium Photovoltaische Solarenergie : 17. - 19. März 1993, Kloster Banz, Staffelstein Y1 - 1993 SP - 496 EP - 500 PB - OTTI CY - Regensburg ER - TY - CHAP A1 - Meliß, Michael A1 - Neskakis, A. A1 - Usbeck, S. A1 - Vogelsang, E. A1 - Wagner, L. A1 - Wiediger, Jürgen T1 - PV-transmitter and receiver T2 - Harmony with nature : : proceedings / ISES Solar World Congress, Budapest 1993. International Solar Energy Society, Hungarian Section (H-ISES); Hungarian Solar Energy Society (HSES). Vol. 3: Photovoltaics Y1 - 1992 SP - 375 EP - 380 PB - Hungarian Energy Society CY - Budapest ER -