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Framework for Long-Term Public Housing Supply Plan Focusing on Small-Scale Offsite Construction in Seoul

Author

Listed:
  • Hosang Hyun

    (SH Urban Research Center, Seoul Housing & Communities Corporation, Seoul 06336, Korea)

  • Young-Min Lee

    (SH Urban Research Center, Seoul Housing & Communities Corporation, Seoul 06336, Korea)

  • Hyung-Geun Kim

    (SH Urban Research Center, Seoul Housing & Communities Corporation, Seoul 06336, Korea)

  • Jin-Sung Kim

    (SH Urban Research Center, Seoul Housing & Communities Corporation, Seoul 06336, Korea)

Abstract

The public housing demand in Seoul has been continuously increasing, but the available land for housing is insufficient. To meet the demand, the Seoul government is planning to develop small-scale housing in urban areas through various methods. Construction activities for increasing housing capacity cause negative environmental impacts, and this inevitably leads to an increase in the number of civil complaints. The complaints can be mitigated by using offsite construction (OSC) for fabricating components. However, OSC remains underdeveloped in Korea owing to concerns over high project costs. To promote OSC, the government must develop a long-term plan to secure demand for OSC. For such a plan, the number and feasibility of applicable sites in Seoul must be estimated. This study suggests a two-stage research framework: (1) estimate the number of applicable sites in Seoul using GIS and (2) conduct feasibility analyses of these sites through architectural planning. The estimated number of sites was equal to the expected supply of small-scale housing units in Seoul for 8 years, and the selected case sites were identified to be feasible. Therefore, the use of OSC for developing small-scale housing units in Seoul is reasonable. This research differs from previous studies in that the previous use of qualitative studies to promote modular construction was replaced with a quantitative analysis that included the entire Seoul area. Using the research framework, the Seoul government can develop a specific long-term plan based on the quantitative research analysis. Furthermore, manufacturers can develop plans based on the government plan and deliver returns on the higher initial costs. The contractors can reduce the higher project cost and doing so is expected to mitigate the negative perception and to promote modular construction in Korea.

Suggested Citation

  • Hosang Hyun & Young-Min Lee & Hyung-Geun Kim & Jin-Sung Kim, 2021. "Framework for Long-Term Public Housing Supply Plan Focusing on Small-Scale Offsite Construction in Seoul," Sustainability, MDPI, vol. 13(10), pages 1-15, May.
  • Handle: RePEc:gam:jsusta:v:13:y:2021:i:10:p:5361-:d:552407
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    References listed on IDEAS

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    1. Hong, Juwon & Kang, Hyuna & Hong, Taehoon, 2020. "Oversampling-based prediction of environmental complaints related to construction projects with imbalanced empirical-data learning," Renewable and Sustainable Energy Reviews, Elsevier, vol. 134(C).
    2. Alistair Gibb, 2001. "Standardization and pre-assembly- distinguishing myth from reality using case study research," Construction Management and Economics, Taylor & Francis Journals, vol. 19(3), pages 307-315.
    3. Hosang Hyun & Hyunsoo Kim & Hyun-Soo Lee & Moonseo Park & Jeonghoon Lee, 2020. "Integrated Design Process for Modular Construction Projects to Reduce Rework," Sustainability, MDPI, vol. 12(2), pages 1-19, January.
    4. Salman Shooshtarian & Tayyab Maqsood & Malik Khalfan & Rebecca J. Yang & Peter Wong, 2020. "Landfill Levy Imposition on Construction and Demolition Waste: Australian Stakeholders’ Perceptions," Sustainability, MDPI, vol. 12(11), pages 1-15, June.
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    Cited by:

    1. Hosang Hyun & Hyung-Geun Kim & Jin-Sung Kim, 2022. "Integrated Off-Site Construction Design Process including DfMA Considerations," Sustainability, MDPI, vol. 14(7), pages 1-20, March.

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