7. Schedule Resources and cost

Question 1

Scheduling resources and cost

Answer 1

Project network times are not a schedule until resources have been assigned

Cost estimates are not a budget until they have been time-phased.

Resource smoothing
If resources are adequate but the demand varies
even out resource demand by delaying noncritical activities (using slack) to lower peak demand

Resource constraint scheduling
resources are not adequate to meet peak demands
the duration of the project may
be increased

Question 2

Type of resource constraint

Answer 2

Resources

People
Materials
Equipment

Classification of a scheduling Problem

1. Time-constrained project ( imposed date)
2. Resource-constrained project ( level of resources available cannot be exceeded

Question 3

Resource allocation Method

Answer 3

Assumptions
1. an activity cannot be started,
stopped for a period of time, and then finished

2. the level of resources used for an activity cannot be changed.

The parallel method
consistently minimize project delay over a large variety of projects.

iterative process that starts from the beginning
of project time and, when resources needed exceed the resources available, retains activities first by the priority rules:

Minimum slack
Smallest duration
Lowest activity identification number

Question 4

Splitting activities

Answer 4

splitting

get a better project schedule and/or to increase resource utilization

Question 5

Multiproject resource Schedules

Answer 5

Overall schedule slippage.
Inefficient resource utilization.
Resource bottlenecks.

Question 6

TIME CONSTRAINT PROJECT

Crashing // Frast tracking ( can use altogether)

Answer 6

Crashing… Reduce duration of task
expediting

Task slope : (crash cost-Normal cost)/(normal time-crash time) : $/time unit

Fast tracking
Don’t touch duration
Start earlier the activities

Question 7

COST

Answer 7

Direct cost : the sum of elemental task cost

Indirect cost:
Porject level (overhead costs(=).. salary of project
manager
Organization

Will direct cots go up when carhsing, indirect cost goes down

From left to right ( backwards path)
Optimum cost-Point
after that Opt cost/point there is extra cost for every day crahsed