TY  - CONF
TI  - Strategic risk management through lean construction–enhanced mitigation: the Sitinjau Lauik flyover project, Indonesia
AU  - Alfrianto, Rifki
AU  - Pramono, Fitriana Prahastiwi
AU  - Naufal, Achmad Luthfi
AU  - Widyastuti, Amy Rachmadhani
AU  - Rahman, Arif
AU  - Wresniwira, Sastria
AU  - Soekharjo, Gunadi
AU  - Hermawan, Iwan
AU  - Wiranata, Halim
AD  - Vice President, Corporate Secretary Division, PT Hutama Karya (Persero), Jakarta, Indonesia, rifki.alfrianto@hutamakarya.com, orcid.org/0009-0000-5278-6138
AD  - Operation, Infrastructure I Division, PT Hutama Karya (Persero), Jakarta, Indonesia, fitriana.prahastiwi@hutamakarya.com, orcid.org/0009-0008-0504-5749
AD  - Lean Coordinator, Engineering, Research & IT Division, PT Hutama Karya (Persero), Jakarta, Indonesia, achmad.luthfi@hutamakarya.com, orcid.org/0009-0002-3464-7673
AD  - Executive Vice President, Engineering, Research & IT Division, PT Hutama Karya (Persero), Jakarta, Indonesia, amy.rachmadhani@hutamakarya.com, orcid.org/0009-0006-7600-6064
AD  - Executive Vice President, Infrastructure I Division, PT Hutama Karya (Persero), Jakarta, Indonesia, arif.rahman@hutamakarya.com
AD  - Analyst, Engineering, Research & IT Division, PT Hutama Karya (Persero), Jakarta, Indonesia, sastria.wresniwira@hutamakarya.com, orcid.org/0009-0007-5137-7253
AD  - Directors, Operational I, PT Hutama Karya (Persero), Jakarta, Indonesia, gunadi@hutamakarya.com
AD  - Directors, Operational III, PT Hutama Karya (Persero), Jakarta, Indonesia, iwan.hermawan@hutamakarya.com
AD  - Vice President, Engineering, Research & IT Division, PT Hutama Karya (Persero), Jakarta, Indonesia, halim.wiranata@hutamakarya.com
ED  - Hamzeh, Farook
ED  - Poshdar, Mani
ED  - Garcia-Lopez,, Nelly P.
ED  - Gan, Vincent
PY  - 2026
DA  - 2026/06/22
T2  - Proceedings of the 34th Annual Conference of the International Group for Lean Construction (IGLC 34)
C3  - Proceedings of the 34th Annual Conference of the International Group for Lean Construction (IGLC 34)
CY  - Singapore, Singapore
SP  - 1631
EP  - 1641
DO  - 10.24928/2026/0197
SN  - 2789-0015 (ISSN)
AB  - The Sitinjau Lauik Flyover Project is a strategic infrastructure initiative in West Sumatra designed to address severe geometric constraints and safety risks along a critical logistics corridor. Delivered under a Design–Build–Finance–Operate–Maintain–Transfer (DBFOM) Public–Private Partnership (PPP) scheme with an investment value of IDR 2.793 trillion (approximately USD 175 million), the project operates within a complex planning environment characterized by geotechnical instability, environmental constraints, and an aggressive construction timeline. These conditions require robust risk mitigation planning at an early project stage. This study adopts a scenario-based comparative approach to examine how Lean Construction can enhance risk mitigation planning compared to conventional practices. Using a project risk register as the primary data source, inherent and residual risk profiles are compared under two mitigation scenarios: conventional mitigation and Lean Construction–enhanced mitigation. Residual risk values are assessed through scenario-based estimation to support comparative analysis rather than predict actual performance outcomes.  The results indicate that Lean Construction enhances mitigation robustness by reducing risk probability and exposure through improved planning reliability, early alignment, and constraint management. The findings suggest that Lean Construction can function as a planning-level risk mitigation enhancer, complementing conventional controls in complex infrastructure PPP projects.
KW  - Risk management
KW  - lean construction
KW  - PPP
KW  - infrastructure project
KW  - risk mitigation.
L1  - https://www.iglc.net/papers/details/2501/pdf
UR  - https://www.iglc.net/papers/details/2501
DB  - IGLC.net
LA  - English
N1  - Export date: 04 October 2026
ER  -