上浒充通大学 SHANGHAI JIAO TONG UNIVERSITY Project Management Dr.HU Hao 六漏 School of Naval Architecture Ocean and Civil Engineering Shanghai Jiao Tong University 2012
Project Management Dr. HU Hao School of Naval Architecture Ocean and Civil Engineering Shanghai Jiao Tong University 2012
图 上游充通大学 SHANGHAI JLAO TONG UNIVERSITY Part 2 PROJECT PLANNING AND CONTROL Chapter 6 Scheduling
Part 2 PROJECT PLANNING AND CONTROL Chapter 6 Scheduling
上游充通大粤 SHANGHAI JIAO TONG UNIVERSITY Learning Objectives Estimating the duration for each activity Establishing the estimated start time and required completion time for the overall project Calculating the earliest times at which each activity can start and finish,based on the project's estimated start time Calculating the latest times by which each activity must start and finish in order to complete the project by its required completion time Determining the amount of positive or negative slack between the time each activity can start or finish and the time it must start or finish Identifying the critical(longest)path of activities
Learning Objectives Estimating the duration for each activity Establishing the estimated start time and required completion time for the overall project Calculating the earliest times at which each activity can start and finish, based on the project’s estimated start time Calculating the latest times by which each activity must start and finish in order to complete the project by its required completion time Determining the amount of positive or negative slack between the time each activity can start or finish and the time it must start or finish Identifying the critical (longest) path of activities
上游充通大学 Activity Duration Estimates SHANGHAI JIAO TONG UNIVERSITY The first step in establishing a project schedule is to estimate the duration of each activity Estimated duration should include the time required to perform the work plus any associated waiting time Representation in the network AlB:in the lower-right-hand corner of the box AOA:below the arrow Activity Description of activity Description Person in Estimated 入 Duration Number charge duration Estimate Event Event Number Number
The first step in establishing a project schedule is to estimate the duration of each activity Estimated duration should include the time required to perform the work plus any associated waiting time Representation in the network • AIB: in the lower-right-hand corner of the box • AOA: below the arrow Activity Duration Estimates Description of activity Number Person in charge Estimated duration Activity Description Duration Estimate Event Number Event Number
上浒充通大粤 Activity Duration Estimates(Cont.) SHANGHAI JIAO TONG UNIVERSITY Who will estimate the activity duration The person who will perform the activity Experienced individual makes estimates for all the activities for which the organization or subcontractors is responsible Estimates should be based resource available Estimates should be aggressive and realistic Delays and accelerations will ten to cancel one another out Duration of dummy activities is 0
Activity Duration Estimates (Cont.) Who will estimate the activity duration • The person who will perform the activity • Experienced individual makes estimates for all the activities for which the organization or subcontractors is responsible Estimates should be based resource available Estimates should be aggressive and realistic Delays and accelerations will ten to cancel one another out Duration of dummy activities is 0