Comparative Investigation Of Pre-Engineered Building Erection Techniques For Improved Safety And Time Efficiency
DOI:
https://doi.org/10.63665/4z16b888Keywords:
Pre-Engineered Buildings, Erection Techniques, Construction Safety, Time Efficiency, Modular Construction, Structural Steel, Mechanized ErectionAbstract
Pre-Engineered Buildings (PEB) have become an innovative construction best practice worldwide due to PEBs'
speed of delivery, structural in efficiency, and cost-effective advantages over traditional steel construction. The
phase of erection is the most important part when it comes to execution of PEB projects, in this phase the technique
of construction plays an important role since it affects time, safety of workers and the cost of the overall project.
This empirical research compared four common techniques to erecting PEBs: Conventional Crane-Based
Erection (CCBE), Lift-Slab/Lift-Up Method (LSM), Modular Pre-Assembly Erection (MPAE), and Hybrid
Mechanized Erection (HME). We collected data across 12 PEB project sites in India during 2023–2025, which
include industrial warehouses, manufacturing plants, and logistics hubs with a project area varying from (2,500
m² and 18,000 m², respectively). We measured quantitatively erection duration per sqm, manpower utilization,
safety incident frequency rate (SIFR), equipment downtime, cost/ton structure steel erected. ANOVA, Pearson
correlation, and regression modeling were used for statistical analysis to assess differences in performance
between techniques. The results demonstrated that Modular Pre-Assembly Erection was fastest; 34.7% less
erection time than Conventional Crane-Based Erection, while Hybrid Mechanized Erection had Lowest SIFR of
0.42 incidents per 100,000 man-hours The low Pearson correlation r = −0.81, with P = 0.001, regarding
mechanization level and number of safety incidents indicates the solution to automating methods of operation
should correctly contribute to substantial factory safety enhancements. By helping in the selection of appropriate
erection strategies that meet site constraints and scales of a project, these findings provide actionable real-world
utility to construction managers, structural engineers, and policymakers.
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