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It emphasizes that project success depends on a strong project manager and business analyst who jointly plan and define outcomes, then ensure on-time completion to minimize total crashing costs. The paper proposes a linear programming framework and demonstrates it with a boiler replacement example to support cost-effective strategic decisions.",{"@graph":63,"@context":118},[64,80,101],{"@type":65,"itemListElement":66},"BreadcrumbList",[67,71,74,77],{"item":68,"name":69,"@type":70,"position":9},"https://docshare.wps.com","Home","ListItem",{"item":72,"name":10,"@type":70,"position":73},"https://docshare.wps.com/template/",2,{"item":75,"name":11,"@type":70,"position":76},"https://docshare.wps.com/template/presentations/",3,{"item":78,"name":59,"@type":70,"position":79},"https://docshare.wps.com/template/crashing-project-activities-using-linear-programming-technique/563327/",4,{"url":78,"name":59,"@type":81,"image":82,"author":87,"headline":59,"publisher":90,"fileFormat":93,"inLanguage":57,"description":61,"dateModified":94,"datePublished":95,"encodingFormat":93,"isAccessibleForFree":96,"interactionStatistic":97},"DigitalDocument",{"url":83,"@type":84,"width":85,"height":86},"https://docshare.wps.com/thumbnails/crashing-project-activities-using-linear-programming-technique/563327.png","ImageObject",442,249,{"name":88,"@type":89},"Putri","Person",{"url":68,"name":91,"@type":92},"DocShare","Organization","application/pdf","2026-10-19","2026-10-12",true,{"@type":98,"interactionType":99,"userInteractionCount":73},"InteractionCounter",{"@type":100},"ViewAction",{"@type":102,"mainEntity":103},"FAQPage",[104,110,114],{"name":105,"@type":106,"acceptedAnswer":107},"Why are PERT and CPM relevant to maintenance projects?","Question",{"text":108,"@type":109},"They support scheduling many activities during shutdown and overhauling, helping managers plan and define expected outcomes within deadlines.","Answer",{"name":111,"@type":106,"acceptedAnswer":112},"What does the paper aim to achieve with linear programming?",{"text":113,"@type":109},"It provides a framework to crash total maintenance project time at the least total cost using linear programming and supports decision-making on which critical activities to crash.",{"name":115,"@type":106,"acceptedAnswer":116},"How is the “crashing” decision explained in the paper?",{"text":117,"@type":109},"Crashing additional costs must be controlled, so the decision focuses on selecting activities to reduce completion time and minimize total crashing cost in a cost-effective way.","https://schema.org",{"og:url":78,"og:type":120,"og:title":59,"og:site_name":91,"og:description":61},"article",{"robots":122,"canonical":78},"index,follow",{"doc_id":124,"site_id":56},563327,1792431238,{"code":4,"msg":5,"data":127},{"doc_id":124,"user_id":128,"nickname":88,"user_avatar":129,"doc_module":9,"category_id":8,"category_name":11,"doc_title":59,"doc_description":61,"doc_content":130,"file_id":131,"file_url":132,"file_type":133,"file_size":134,"view_count":73,"is_deleted":4,"is_public":9,"is_downloadable":9,"audit_status":9,"page_count":135,"language":136,"language_code":57,"site_id":56,"html_lang":57,"table_of_contents":137,"faqs":138,"seo_title":139,"seo_description":61,"update_tm":140,"read_time":76},962085571259,"https://ap-avatar.wpscdn.com/davatar_29158cc5080c5b710cf443261637dec0","Proceedings of the 2012 International Conference on Industrial Engineering and Operations Management Istanbul, Turkey, July 3 – 6, 2012  \nCrashing Project Activities Using Linear Programming Technique  \nOmar M. Elmabrouk and Fardous Aljiebali  \nDepartment of Industrial and Manufacturing System Engineering Benghazi University, Libya  \nAbstract  \nPERT/CPM are two traditional closely related operations research techniques, PERT (program evaluation and review technique) and CPM (critical path method), are available to assist the maintenance project manager in carrying out their responsibilities. Among their responsibility is scheduling of a large number of activities during shutdown and overhauling, since shutdown and overhauling provide unique opportunities to a maintenance department not normally available during standard operation and relatively during a short period of time. Moreover, the best way to guarantee success of any type of maintenance project is to have a strong, experienced project manager and strong, experienced business analyst. While dealing with maintenance projects, these two individuals, working together from the beginning of the project, set the stage for success by accurately planning and clearly defining the expected outcomes. To be on time, it is required to complete the maintenance project within the predetermined deadline to keep cost at lowest possible level by a reliable technique than to rely on a trial and error approach. The deadline to be achieved, some projects require to minimize their completion time by crashing their critical activities. This would direct managers to encounter a decision situation about which activities of the project will be crashed to minimize the total cost of crashing project, since crashing a project represents additional costs, crashing decisions need to be made in a costeffective way.  \nThis paper mainly provides a framework for crashing total maintenance project time at the least total cost by using Linear Programming (LP) technique. A prototype example of replacing an existing boiler with an energy efficient boiler was used to show how this technique is used for strategic decision making and assisting managers dealing with crashing maintenance projects activities.  \nKeywords  \nMaintenance, project management, CPM , PERT, linear programming  \n1. Introduction  \nBritish Standard Glossary of terms (3811:1993) defined maintenance as the combination of all technical and administrative actions, including supervision actions, intended to retain an item in, or restore it to, a state in which it can perform a required function. Project management is not a new concept for organizations or managers. The concepts and ideas behind effective project management are however constantly been undergoing modification and improvement. A Dupont engineer, Morgan R. Walker and a Remington-Rand computer expert, James E. Kelly, Jr, initially conceived the Critical Path Method (CPM) . They created a unique way of representing the operations in the system. Their methods involved using “unique arrow filled diagrams or network methods” in 1957. [1,2]  \nAt approximately the same time, the U.S. Navy initiated a project called PERT (Program Evaluation Research Task) in order to provide naval management with an effective manner by which they could periodically evaluate the information of the new Fleet Ballistic Missile.[3] . Moreover, PERT/CPM is effective tool for project planning. PERT stands for Program Evaluation Review Technique. Even though these techniques were develop for defense applications they are useful for many maintenance projects. The conventional \"Bat Chart\" is adequate for a small straight forward job having around 200 activities. But for larger maintenance projects such as plant shut down and overhaul jobs where activities are many PERT/CPM techniques help us to ascertain the logistics of different resources [4] .  \nAny maintenance project represented by networks, the network consists","cbCaia7VcPDMBZgg","https://ap.wps.com/l/cbCaia7VcPDMBZgg","pdf",162899,9,"English","# Abstract\n# Keywords\n# 1. Introduction\n## 2.1. Definition of Project Management\n# 2. Literature Review","[{\"question\":\"Why are PERT and CPM relevant to maintenance projects?\",\"answer\":\"They support scheduling many activities during shutdown and overhauling, helping managers plan and define expected outcomes within deadlines.\"},{\"question\":\"What does the paper aim to achieve with linear programming?\",\"answer\":\"It provides a framework to crash total maintenance project time at the least total cost using linear programming and supports decision-making on which critical activities to crash.\"},{\"question\":\"How is the “crashing” decision explained in the paper?\",\"answer\":\"Crashing additional costs must be controlled, so the decision focuses on selecting activities to reduce completion time and minimize total crashing cost in a cost-effective way.\"}]","Crashing Project Activities Using Linear Programming Technique | PDF",1791829582]