TY  - CONF
TI  - Use of a Risk Matrix as Selector of Activity Priority Execution Based on Project History
C1  - Fortaleza, Brazil
C3  - 21th Annual Conference of the International Group for Lean Construction
SP  - 639
EP  - 648
PY  - 2013
AU  - Cisterna, Diego
AU  - Alarcón, Luis Fernando
AU  - Alarcón, Isabel
AD  - Research Assistant, GEPUC, Engineering Student, Escuela de Ingeniería, Universidad de Chile, E-Mail: dicister@ing.uchile.cl
AD  - Professor of Civil Engineering, Escuela de Ingeniería, Universidad Católica de Chile, Casilla 306, Correo 22,Santiago, Chile, E-Mail: lalarcon@ing.puc.cl
AD  - Investigation and Development Manager, GEPUC (www.gepuc.cl), Santiago, Chile, E-Mail:  ialarcon@gepuc.cl
ED  - Formoso, Carlos Torres
ED  - Tzortzopoulos, Patricia 
AB  - This paper proposes a set of algorithms that use Last Planner System® (LPS) metrics, obtained from a software that manage LPS data, and some heuristics to build a Risk Matrix which organizes activities in order of importance. The calculations made by these algorithms are fed by historical project information. The activity importance is determined by the level of impact. This level is defined combining criticality and probability levels that are calculated through the analysis of selected variables: numbers of links between activities, assignment of resources, constraint release history, reasons for noncompletion, percent plan complete (PPC), etc. Identification and prioritization of activities which have a high impact on a project is a useful way to reduce variability, preventing the triggering of chains of delays. Along with this, the mere fact of establishing the most significant activities in front of all participants of planning meetings, generate a psychological effect on all those responsible for tasks, which should align efforts accordingly. This tool is consistent with the LPS philosophy; it takes the team members behavioral history and includes it in the algorithm, producing a warning that indicates that an activity must be followed closely, without assigning responsibility to any team member.
KW  - Risk assessment matrix
KW  - Last Planner System
KW  - variability
KW  - Lean Construction
KW  - constraint analysis.
PB  - 
T2  - 21th Annual Conference of the International Group for Lean Construction
DA  - 2013/07/31
CY  - Fortaleza, Brazil
L1  - http://iglc.net/Papers/Details/885/pdf
L2  - http://iglc.net/Papers/Details/885
N1  - Export Date: 23 April 2024
DB  - IGLC.net
DP  - IGLC
LA  - English
ER  -