4.6 Article

Sustainability-Oriented Project Scheduling Based on Z-Fuzzy Numbers for Public Institutions

Journal

SUSTAINABILITY
Volume 13, Issue 5, Pages -

Publisher

MDPI
DOI: 10.3390/su13052801

Keywords

sustainability; project management; scheduling; public infrastructures; Z-fuzzy number

Funding

  1. National Science Centre (Poland) [394311, 2017/27/B/HS4/01881]

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A new approach is proposed for sustainable project scheduling for public institutions, considering experts' opinions on different aspects of sustainability. A fuzzy bicriterial optimization model is established to obtain a project schedule meeting acceptable sustainability, duration, and cost requirements. The model is inspired by a real-world infrastructure project implemented by a public institution in Poland in 2019.
A new approach to sustainable project scheduling for public institutions is proposed. The approach is based on experts' opinions on three aspects of sustainability of project activities (human resources consumption, material consumption and negative influence on local communities), expressed by means of Z-fuzzy numbers. A fuzzy bicriterial optimization model is proposed, whose objective is to obtain a project schedule of an acceptable sustainability degree and of acceptable duration and cost. The model was inspired and is illustrated by a real-world infrastructure project, implemented in 2019 by a public institution in Poland.

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