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locations, vehicle capacities, and costs. This model enhances efficiency, reduces travel distances from
14,714.47 km to 11,744.17 km, saves fuel, and lowers maintenance expenses, thereby improving
distribution operations and customer satisfaction. Keywords: Cost-effectiveness, Delivery, Distribution,
Dynamic programming, Optimization, Route| Domain: Operations Research

Paper no. 14
MUNICIPAL SOLID WASTE MANAGEMENT USING FUZZY DEMATEL-AHP-TOPSIS
Authors: Monteron, Ivan; Villeta, Ricky
Presenter: Engr. Ivan T. Monteron, MEIE (ivan.monteron.21@usjr.edu.ph), CTU-San Francisco
The goal of this paper is to determine the best solid waste treatment and crucial municipal solid waste factors
that support widely accepted practices for sustainable solid waste management in the current literature. The
findings of this study provide solid waste management policy makers with a roadmap for organizing and ranking
the practical MSW alternatives and factors. In this work, the relationship between the various factors is mapped,
and weights are generated to determine which alternatives are prioritized. This paper presents the case of the
Municipality of San Francisco in Cebu, Philippines. The results indicate in fuzzy AHP and TOPSIS the most
sustainable waste treatment options are anaerobic digestion, composting, and recycling while for the other
findings in fuzzy DEMATEL, the most important factors in solid waste management are technical, sociocultural,
cost, and time required. Keywords: AHP, DEMATEL, FUZZY, TOPSIS, Municipal Solid Waste| Domain: Operations
Research

Paper no. 15
BRIVORY: SIGNALIZED PEDESTRIAN CROSSING SENSOR SYSTEM FOR TRAFFIC SAFETY AT PEDESTRIAN CROSSING
Authors: Dalumpienes, Anne Gabrielle; Fesalbon, Arlan Joshua; Carungay, Sheila Mae; Quevedo, Francispito
Presenter: Engr. Francispito Quevedo (francispito.quevedo@adamson.edu.ph), Adamson University This study
focuses on developing a signalized pedestrian crossing sensor system to enhance pedestrian safety in Metro
Manila's 16 cities. The study will reveal how many residents of Metro Manila feel safe when using pedestrian
crossings. Researchers employed a mixed-method design, integrating qualitative and quantitative approaches,
to collect data. They used qualitative data to interview local government agencies responsible for pedestrian
safety. Conversely, they gathered quantitative data by distributing a Likert scale survey to Metro Manila
residents. The data analysis was done with the use of Minitab software, employing Cronbach's Alpha and
Pearson Correlation. The study aims to develop a systematic approach to improve pedestrian safety at
crosswalks in densely populated urban areas like Metro Manila. Objectives include increasing safety awareness
and visibility of pedestrians to vehicles, utilizing infrared thermal imaging sensor technology, and reducing
accidents caused by signalized pedestrian crossing systems. The study emphasizes the importance of improving
safety in high-risk areas, such as locations near schools, high pedestrian traffic intersections, and parks.
Proposed solutions include pedestrian crossing signals, warning signs, voice/sound alarms, and strong support
from respondents. Keywords: Signalized Pedestrian Crossing, Pedestrian Safety, Safety Awareness, Infrared
Sensor, Sound Alarms | Domain: Ergonomics

Paper no. 16
A SYSTEM DYNAMICS APPROACH TO MANAGING THE MATERIALS RECOVERY FACILITY (MRF) IN CEBU CITY,
PHILIPPINES
Author: Suson, Clofer V.
Presenter: Engr. Clofer V. Suson, M.Eng. (cvsuson@usc.edu.ph), University of San Carlos This study is aimed to
craft policies to be implemented and, to sustainably manage the volume of solid waste that the Materials
Recovery Facilities (MRF) in Cebu City, Philippines could process in the next ten years through System Dynamics
(SD). The policies recommended in the study are the following: to strengthen collection process through strict
implementation of the segregation at source, invest Technology for the MRF by adding machineries for
composting and glass crushing, and re-introduce processed waste to the economy. The combination of these
policies was found to yield greater cost-benefit analysis ratio from 2026 to 2033. Keywords: Materials Recovery
Facility, Solid Waste Management, System Dynamics | Domain: System Dynamics

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