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    Modeling the Factors Affecting Sanitary System Condition Assessment in Egypt

    Source: Journal of Pipeline Systems Engineering and Practice:;2025:;Volume ( 016 ):;issue: 001::page 04024051-1
    Author:
    Mohamed A. Elsadek
    ,
    Ahmed F. Salman
    ,
    Ahmed H. Ibrahim
    DOI: 10.1061/JPSEA2.PSENG-1647
    Publisher: American Society of Civil Engineers
    Abstract: In the most common cases, sanitation systems consist of four main phases: sewage networks, pump stations, force-main lines, and treatment plants. This research is dedicated to the systematic identification and hierarchical prioritization of crucial factors that impact the condition assessment of various stages within the sanitation system. An initial review compiled a comprehensive list of 115 factors from the literature that influence the condition assessment of the sanitation system’s distinct phases: 31 factors for sewer networks, 21 for pump stations, 18 for force-main lines, and 45 for wastewater treatment plants. By administering 88 detailed questionnaires to field experts, these factors were distilled to 59, predicated on their ascribed importance indices. Factors that achieved an importance index above the 50% threshold were considered to be significant and were retained for in-depth analysis, whereas those with an index below 50% were excluded from the prioritization process. The analytic hierarchy process (AHP) was used to compare and rank these factors. The results indicated that the two most important factors affecting the condition assessment of sewage networks are pipe material for sewers and cover and frame for manholes, respectively. The factors for pump stations are operational and maintenance procedures for pumps and protective measures for receiving wells, respectively. Pipe material, operation pressure, and corrosion of valves of mechanical pieces are the important factors for force-main lines. The age of electromechanical equipment and cavitations are the two most important factors affecting the condition assessment of wastewater treatment plants. A heuristic evaluation of three existing case studies was used to validate the model, and resulted in correlation coefficients ranging between 0.801 and 0.871. This study will support decision makers in managing sanitation system assets.
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      Modeling the Factors Affecting Sanitary System Condition Assessment in Egypt

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4304956
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    contributor authorMohamed A. Elsadek
    contributor authorAhmed F. Salman
    contributor authorAhmed H. Ibrahim
    date accessioned2025-04-20T10:33:39Z
    date available2025-04-20T10:33:39Z
    date copyright9/20/2024 12:00:00 AM
    date issued2025
    identifier otherJPSEA2.PSENG-1647.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4304956
    description abstractIn the most common cases, sanitation systems consist of four main phases: sewage networks, pump stations, force-main lines, and treatment plants. This research is dedicated to the systematic identification and hierarchical prioritization of crucial factors that impact the condition assessment of various stages within the sanitation system. An initial review compiled a comprehensive list of 115 factors from the literature that influence the condition assessment of the sanitation system’s distinct phases: 31 factors for sewer networks, 21 for pump stations, 18 for force-main lines, and 45 for wastewater treatment plants. By administering 88 detailed questionnaires to field experts, these factors were distilled to 59, predicated on their ascribed importance indices. Factors that achieved an importance index above the 50% threshold were considered to be significant and were retained for in-depth analysis, whereas those with an index below 50% were excluded from the prioritization process. The analytic hierarchy process (AHP) was used to compare and rank these factors. The results indicated that the two most important factors affecting the condition assessment of sewage networks are pipe material for sewers and cover and frame for manholes, respectively. The factors for pump stations are operational and maintenance procedures for pumps and protective measures for receiving wells, respectively. Pipe material, operation pressure, and corrosion of valves of mechanical pieces are the important factors for force-main lines. The age of electromechanical equipment and cavitations are the two most important factors affecting the condition assessment of wastewater treatment plants. A heuristic evaluation of three existing case studies was used to validate the model, and resulted in correlation coefficients ranging between 0.801 and 0.871. This study will support decision makers in managing sanitation system assets.
    publisherAmerican Society of Civil Engineers
    titleModeling the Factors Affecting Sanitary System Condition Assessment in Egypt
    typeJournal Article
    journal volume16
    journal issue1
    journal titleJournal of Pipeline Systems Engineering and Practice
    identifier doi10.1061/JPSEA2.PSENG-1647
    journal fristpage04024051-1
    journal lastpage04024051-19
    page19
    treeJournal of Pipeline Systems Engineering and Practice:;2025:;Volume ( 016 ):;issue: 001
    contenttypeFulltext
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