Abstract
Cost reduction is a cornerstone of the Lean administration’s sustainability through modify its algorithms scheme to become multi-useful. This paper focuses on control “movement” waste, to minimize pipeline, cabling and sewerage network deployments time, to avoid demurrages (i.e., constructor sectors) and quickens planning through two stages. The first belongs to the build constrained hybridization of published heuristic routing methods (e.g., S-Shape, Mid-point, Largest-Gap, Return, Ascending, FLA-5, FLA-6 [Flow Line Analysis], and Composite) to select the shortest path that serves many locations (i.e., Plan-A), while allowing for the modification of these locations during service (i.e., Plan-B). The new locations are grouped into two clusters, the first of which lay on the shortest preferred path, while the second cluster contains locations that do not lay on the preferred path and are therefore moved on the backlogs-list, then use Simulated Annealing when to serve them. Finally, the impact of the selected performance is investigated after studying its correlation with another published effective one under cost considerations. The computational results of proposed Minimize-Route-Length aided with simulated annealing (MRL-SA) significantly outperform others in terms of the performance of the routing heuristics and total costs and develop the Last Planner System, which has a good reputation in construction projects and approve the proposed algorithm to maintain its competitiveness sustainability.
Highlights
There are many flow-line analysis methods reported in the literature
Two of the best methods have been selected in this paper via the correlation test. They are Flow Line Analysis (FLA)-5, S-shape, Mid-point, Ascending—which are effective in tackling bidirectional flow lines—and FLA-6, Return, Largest Gap and Composite—which are effective in tackling unidirectional flow lines, while combining FLA-6 and Composite methods with cost analysis
The Last Planner System used in the construction projects sector has evolved by a hybrid search algorithm that was used by combining MRL and SA through two sequential phases, and the sum of the route length value of the main route that results from MRL and backlogs-list of the unidirectional or bidirectional flow path to become the Lean
Summary
There are many flow-line analysis methods reported in the literature. Among these, there are eight famous methods that have many interdisciplinary citations. Two of the best methods have been selected in this paper via the correlation test. They are Flow Line Analysis (FLA)-5, S-shape, Mid-point, Ascending—which are effective in tackling bidirectional flow lines—and FLA-6, Return, Largest Gap and Composite—which are effective in tackling unidirectional flow lines, while combining FLA-6 and Composite methods with cost analysis. Thirty-seven sets of data are created, which have 185 different examples and have been tested with the proposed algorithm Minimize-Route-Length aided with simulated annealing (MRL-SA) to enhance a planner system that has a good reputation in construction sectors, namely the Last Planner System, which has been developed to become the Lean Planner System, which can enhance this sector decision making
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