Spring 2008, King Saud University Resources Leveling & Allocation Dr. Khalid Al-Gahtani 1 How Limited Resources Affect Schedule Float.

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Presentation transcript:

Spring 2008, King Saud University Resources Leveling & Allocation Dr. Khalid Al-Gahtani 1 How Limited Resources Affect Schedule Float

Spring 2008, King Saud University Resources Leveling & Allocation Dr. Khalid Al-Gahtani 2

Spring 2008, King Saud University Resources Leveling & Allocation Dr. Khalid Al-Gahtani 3

Spring 2008, King Saud University Resources Leveling & Allocation Dr. Khalid Al-Gahtani 4

Spring 2008, King Saud University Resources Leveling & Allocation Dr. Khalid Al-Gahtani 5

Spring 2008, King Saud University Resources Leveling & Allocation Dr. Khalid Al-Gahtani 6

Spring 2008, King Saud University Resources Leveling & Allocation Dr. Khalid Al-Gahtani 7

Spring 2008, King Saud University Resources Leveling & Allocation Dr. Khalid Al-Gahtani 8

Spring 2008, King Saud University Resources Leveling & Allocation Dr. Khalid Al-Gahtani 9

Spring 2008, King Saud University Resources Leveling & Allocation Dr. Khalid Al-Gahtani 10 OVERVIEW OF BASIC SCHEDULING PROCEDURES Scheduling procedures for dealing with resource constraints can be roughly divided into 2 major groups, according to the problem addressed: –(1) resource leveling, and –(2) fixed-limits resource scheduling (resource allocation).

Spring 2008, King Saud University Resources Leveling & Allocation Dr. Khalid Al-Gahtani 11 Resource Leveling vs. Allocation I. Resource Leveling. –Using resources in the most efficient manner possible when the project duration is fixed. II. Resource Allocation –Scheduling a project with unlimited resources and a flexible duration.

Spring 2008, King Saud University Resources Leveling & Allocation Dr. Khalid Al-Gahtani 12 Resource Leveling Algorithm:

Spring 2008, King Saud University Resources Leveling & Allocation Dr. Khalid Al-Gahtani 13 Resource Leveling Algorithm:

Spring 2008, King Saud University Resources Leveling & Allocation Dr. Khalid Al-Gahtani 14

Spring 2008, King Saud University Resources Leveling & Allocation Dr. Khalid Al-Gahtani 15 Parallel vs. Serial methods Serial methods –Activities CAN NOT be interrupted. Parallel methods –It is more widely used. –Activities CAN be interrupted.

Spring 2008, King Saud University Resources Leveling & Allocation Dr. Khalid Al-Gahtani 16

Spring 2008, King Saud University Resources Leveling & Allocation Dr. Khalid Al-Gahtani 17 Multiple Resources Allocation Select the most CRITICAL resources, and then allocate all the critical resources in the same time. For simplicity, only one resource at a time will be considered in this course with no interruption for an activity (Serial method).

Spring 2008, King Saud University Resources Leveling & Allocation Dr. Khalid Al-Gahtani 18 Example of Resource Allocation (Serial Method)

Spring 2008, King Saud University Resources Leveling & Allocation Dr. Khalid Al-Gahtani 19

Spring 2008, King Saud University Resources Leveling & Allocation Dr. Khalid Al-Gahtani 20 Example of Resource Allocation (Parallel Method)

Spring 2008, King Saud University Resources Leveling & Allocation Dr. Khalid Al-Gahtani 21