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The activity sequencing process is used to arrange the schedule activities in the appropriate order, which takes into account the dependencies among the activities. For example, if Activity B depends upon the product of Activity A, then Activity A must be performed before Activity B.
By definition, the successor activity must start after the predecessor activity has already started. But exactly when can the successor activity start after the predecessor activity has already been started?
Well, both the predecessor and the successor have a start and a finish, and there are at maximum four possible combinations between the start and finish points of the predecessor and the successor activities. Accordingly, there are four kinds of dependencies, also called precedence relationships or logical relationships, listed here:
• Finish to start - The initiation of the successor activity depends upon the completion of the predecessor activity i.e., the successor activity cannot be started until the predecessor activity has already been completed.
• Finish to finish - The completion of the successor activity depends upon the completion of the predecessor activity i.e., the successor activity cannot be completed until the predecessor activity has already been completed.
• Start to start - The initiation of the successor activity depends upon the initiation of the predecessor activity i.e., the successor activity cannot be initiated until the predecessor activity has already been initiated.
• Start to finish - The completion of the successor activity depends upon the initiation of the predecessor activity i.e., the successor activity cannot be completed until the predecessor activity has already been initiated.
These types of dependencies describe the logical relationships between activities.
Dependencies can be grouped into three categories:
• Mandatory dependencies - These are the dependencies inherent to the schedule activities. For example, a software program must be developed before it can be tested. Mandatory dependencies are also referred to as hard logic.
• Discretionary dependencies - These are the dependencies at the discretion of the project team. For example, the development for two parts of the system can happen in parallel and then integrated at a later point in time. It is not mandatory for the second module to wait until module one is over. Some of the guidelines for establishing discretionary dependencies can come from the knowledge of best practices within the given application area and from the previous experience of performing a similar project. Discretionary dependencies are also referred to as soft logic, preferential logic, or preferred logic.
• External dependencies - An external dependency involves a relationship between a project activity and a non-project activity i.e., an activity outside the project. For example, lets say your application is migrating to a newer version of application server and it is supposed to be delivered & set up next week. You cant practically deploy and test your application until the server is delivered and set up. This is an example of an external dependency.
The dependency between two schedule activities is an example of the logical relationships defined earlier in this chapter. Logical relationships can be displayed in schematic diagrams, called project schedule network diagrams, or just network diagrams. A common method to develop network diagrams is called the precedence diagramming method (PDM).
What else can I help you with?
Explain how determine timing of activities and of total float?
how you determined the timing of activities and the total float?
How do you determine the timing of activities and the total float in a project?
Total Float = LS - ESWhere LS is Late Start and ES is Early Start
What is timing of the activity in teaching English?
The timing of activities in teaching English refers to when certain tasks or exercises are conducted during a lesson. It involves structuring the lesson plan to include activities at specific intervals to maintain engagement and optimum learning. Varying the timing can help cater to different learning styles and keep students interested and focused throughout the lesson.
How does a timing belt function in a car?
The timing belt of a vehicle is responsible for linking the activities of the crankshaft and camshaft. A damaged timing belt could be responsible for a faulty engine.
The or system timer is dedicated to timing the activities of the chips on the motherboard?
System Clock
Where and what are the timing marks on a Nissan 240sx?
Timing marks determine if the car is set on TDC(Top Dead Center). Just to make sure it is in time use a Timing Light. The timing marks are located on the sprocket under the valve cover and on the crankshaft. Timing marks determine if the car is set on TDC(Top Dead Center). Just to make sure it is in time use a Timing Light. The timing marks are located on the sprocket under the valve cover and on the crankshaft.
What does the crank sensor do on Dodge Caravan?
The crank sensor is used by the ECM to determine timing. However, if the sensor is not working, the ECM determines the same things from the inputs of other sensors for timing. The net is that the sensor amounts to a redundancy, allowing the ECM to determine appropriate timing more quickly than without it.
Does the 2014 Honda pilot have a timing chain or belt?
A 2014 Honda Pilot has a timing Belt, You can look in your owners manuel to determine the change interval.
How can you do timing with no mark?
the only way to determine where tdc is to do the timing is to put a dial indicator on top of number 1 piston, can be done with the head on depending on what engine it is
How do you determine proper function of vacuum advance on 22r motor?
To determine the proper function of the vacuum advance on a 22R motor, you can use a timing light to check the ignition timing at idle and then rev the engine to observe if the timing advances as expected. Disconnect the vacuum advance line and check for a change in timing; it should revert to a base timing setting. Additionally, you can apply vacuum to the advance unit using a hand-held vacuum pump to see if the diaphragm moves and the timing advances accordingly. If the timing does not change or the diaphragm is unresponsive, the vacuum advance may be faulty.
What two activities determine Gambia's economy?
Tourism and groundnut farming
Which occupation is being described in this list of activities?
Please provide the list of activities so I can determine the occupation being described.
