PN 107 - 01/16/2009 - CRITICAL PATH METHOD PROGRESS SCHEDULE A. General. The progress schedule required for this project is the critical path method schedule (CPM schedule). The Contractor shall designate a Schedule Representative who shall be responsible for coordinating with the Engineer during the preparation and maintenance of the schedule. The requirements of this note replace the progress schedule requirements in 108.02.B of the Construction & Material Specifications. The contractor shall
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shortest possible time. In addition PERT had the ability to cope with uncertain activity completion times (e.g. for a particular activity the most likely completion time is 4 weeks but it could be anywhere between 3 weeks and 8 weeks). CPM - Critical Path Method Definition: In CPM activities are shown as a network of precedence relationships using activity-on-node network construction – Single estimate of activity time – Deterministic activity times USED IN : Production management - for the jobs
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Critical Path Analysis & PERT Charts Planning and scheduling more complex projects The benefit of using CPA over Gantt Charts is that Critical Path Analysis formally identifies tasks which must be completed on time for the whole project to be completed on time, and also identifies which tasks can be delayed for a while if resource needs to be reallocated to catch up on missed tasks. The disadvantage of CPA is that the relation of tasks to time is not as immediately obvious as with Gantt Charts.
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to see where each activity should be and to show its current status. You can read more about Gantt charts on Wikipedia. Many tasks require that prior tasks are completed before they can be initiated, but unfortunately, Gantt charts are not a good method of showing theinterrelationship between tasks, so computers must be used to set up and maintain the network of tasks. One commonly-used technique is Program Evaluation Review Technique (PERT) which uses a detailed diagram of all anticipated tasks
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the key phases to be completed are design, purchasing, shipping, installation and commission. There are two common formats used to prepare network diagrams. The activity-onarrow (AOA) network method displays activities as arrows and events as nodes. The other format is the activity-on-node (AON) network method, where nodes and arrows represent activities and events are not illustrated. The choice of AOA or AON representation is a matter of personal preference. For this exercise we will use the AOA
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a) From Table 1 below, draw the Critical Path Method (CPM) network diagram and highlight the critical path for the project. The expected activity times are in weeks. Table 1 [20 marks] b) From the Critical Path Method drawn in question (a) above, perform the CPM calculation and perform in a table 2 form as shown below. Table 2: Example of CPM analysis table ACTIVITY A B C … … … … J TIME 3 4 5 EST EFT LST LFT SLACK CRITICAL ..
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PME201 Planning and Controlling the Baseline January 21st, 2013 Seneca College of Applied Arts and Technology Faculty of Applied Science and Engineering Technology Centre for the Built Environment PROJECT MANAGEMENT- ENVIRONMENT GRADUATE CERTIFICATE 1 Today’s Agenda • • • • • Review and case assignments for Tutorial 1 due today Textbook status Cover material for Tutorial 2 Begin to work on review and case assignments for Tutorial 2 Next week: complete review and case assignments for
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Introduction When an organization in any sector seeks to break away from the national arrangements and set its own pay system, there are a number of constraints on its freedom of choice. These include financial constraints, labor market constraints, employee expectations and occupational arrangements. Construct a Cost-Benefit Analysis matrix for an organization that is considering replacing its internal payroll system with a payroll outsourcing service. Include direct and indirect revenue enhancements
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measure may be more appropriate (Performance Measurement in Project Management, 2007). Many methods can be used to measure project performance. Earned Value Management analyzes scope, cost, and schedule throughout the lifecycle of the project. It provides accurate forecasts and performance problems. PERT charts show a projects schedule, sequence of tasks to be performed at the same time and the critical path that must be completed in order for the project to meet the deadline. Gantt charts are useful
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Crashing under test conditions R.Sivakumar P. R.Vittal R. Sivakumar and P. R.Vittal discuss a tabular approach to project crashing THE critical path method (CPM) was originally developed to solve scheduling problems in an industrial setting and, hence, more concerned with costs of project scheduling and how to minimise them. Therefore, an important aspect of network analysis is the cost of project. The cost of a project is not due solely to the direct costs associated with individual activities
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