UNHCR/e-Centre/InterWorks - Emergency Management Training Session Project Management: PERT / CPM
PERT InterWorks/UNHCR Creating Order from Chaos What needs to be done? When? What to do first? Have you done everything? What comes next?
PERT InterWorks/UNHCR Management Tools lists diagrams schedules budgets charts 6 Jan Feb Mar Apr May Jun Jul Aug assessment identify site contract survey contract water system contract food delivery purchase tents design camp layout set up logistics begin construction Gantt ChartOrganigramme
PERT InterWorks/UNHCR PERT/CPM DIAGRAMS Boxes Lines
PERT InterWorks/UNHCR Boxes are TASKS Job
PERT InterWorks/UNHCR Lines are RELATIONSHIPS First JobSecond Job
PERT InterWorks/UNHCR Task relationship 1 find pot make soup
PERT InterWorks/UNHCR Task relationship 2 find pot make soup find potatoes
PERT InterWorks/UNHCR Task relationship 3 find knife peel potatoes chop onions cut carrots
PERT InterWorks/UNHCR Task relationship 4 find knife peel potatoes chop onions find vegetables
PERT InterWorks/UNHCR Task relationship 5 start identify site order tents end
PERT InterWorks/UNHCR Logic Error 1-Looping identify site deploy tents transport people calculate tent deficit
PERT InterWorks/UNHCR Correction for looping identify site deploy tents transport people calculate tent deficit deploy tents
PERT InterWorks/UNHCR Logic error 2 - Dangling startidentify site prepare budget contract labor finish survey site
PERT InterWorks/UNHCR Correction for Dangling startidentify site prepare budget contract labor finish survey site
PERT InterWorks/UNHCR A control loop is something else. Don’t try to include one in this type of analysis. implement revisions monitor progress compare to plan decide on corrective action revise plan
PERT InterWorks/UNHCR REMEMBER! This technique is useful for things that have clear starting and ending points. Always include a start and a finish box in the diagram. start finish A B C
PERT InterWorks/UNHCR PERT/CPM problem 1 Example G Follows U and must be completed before H can start. UG H
PERT InterWorks/UNHCR Answer to PERT/CPM problem 1 UGH E MTP IS K RO W
PERT InterWorks/UNHCR Task Duration 5 Identify Site how much time will it take?
PERT InterWorks/UNHCR Task duration and schedule 5 Identify Site = 16 earliest start date earliest finish date
PERT InterWorks/UNHCR Looking Forward 5 Identify Site = 16 earliest start date earliest finish date
PERT InterWorks/UNHCR Looking back 5 Identify Site = latest start datelatest finish date
PERT InterWorks/UNHCR Task Chain start order tents identify site
PERT InterWorks/UNHCR PERT/CPM Exercise 2 start end AB C DE F H J K LM G 0
PERT InterWorks/UNHCR PERT/CPM Problem 2 Answer start end AB CD E F G HJ KL M
PERT InterWorks/UNHCR The “Critical Path” start end AB CD E F G HJ KL M
PERT InterWorks/UNHCR CONCLUSIONS As an emergency manager, you need all of the help you can get. You need good management tools The right tools must be used for the right jobs PERT/CPM is one good tool for managing and scheduling complex jobs which can be completed (not repetitious service or support jobs)