Work Break Down Structure(WBS) - Revision history

Qian Xiao: /* Limitations of WBS */

2023-05-10T09:50:50Z

Limitations of WBS

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	==Limitations of WBS==		==Limitations of WBS==
	Despite having so many benefits of a work breakdown structure, there are a few cons that come with the work breakdown structure. Keep reading this section to find out what are the possibilities and how we can find a solution for them. After all, it is not a large and comprehensive breakdown structure covering the entire project, and many key project information cannot be fully represented in the WBS. Since we mainly present the "deliverables" of the project, our actual implementation is often trapped in detail, and we do not put it into the project to systematically view its relationship. It is far less used than project activities and progress documents, which are often shelved and reduced to work memos.		Despite having so many benefits of a work breakdown structure, there are a few cons that come with the work breakdown structure. Keep reading this section to find out what are the possibilities and how we can find a solution for them. After all, it is not a large and comprehensive breakdown structure covering the entire project, and many key project information cannot be fully represented in the WBS. Since we mainly present the "deliverables" of the project, our actual implementation is often trapped in detail, and we do not put it into the project to systematically view its relationship. It is far less used than project activities and progress documents, which are often shelved and reduced to work memos.
	Here are some uninventable limitations of WBS.		Here are some uninventable limitations of WBS.<ref name="seven"/>

	===The orientation may be changed ===		===The orientation may be changed ===

Qian Xiao: /* Elements of WBS */

2023-05-09T20:53:07Z

Elements of WBS

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	*Work: tasks that can produce tangible results;		*Work: tasks that can produce tangible results;
	*Breakdown: a hierarchical structure of progressive subdivision and classification;		*Breakdown: a hierarchical structure of progressive subdivision and classification;
	*Structure: organization of the sections according to a certain pattern.		*Structure: organization of the sections according to a certain pattern.<ref name="two"/>

	===Types of WBS===		===Types of WBS===

Qian Xiao: /* Process of the combination in closed loop management */

2023-05-09T20:51:09Z

Process of the combination in closed loop management

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	#The measures was taken effectively and the process reliability was indeed improved<ref name= "four"/>		#The measures was taken effectively and the process reliability was indeed improved<ref name= "four"/>

	[[File:Figure 3.3.png\|thumb\|500px\|center\|Figure 3.3: WBS-PFMEA form of core production<ref name="six"/]]		[[File:Figure 3.3.png\|thumb\|500px\|center\|Figure 3.3: WBS-PFMEA form of core production<ref name="six"/>]]

	Seen from the figure 3.3, it is an example for a core production. This method can be meet the practical manufacturing process need better.		Seen from the figure 3.3, it is an example for a core production. This method can be meet the practical manufacturing process need better.

Qian Xiao: /* Process of the combination in closed loop management */

2023-05-09T20:50:52Z

Process of the combination in closed loop management

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	The general PFMEA worksheet included the following elements:		The general PFMEA worksheet included the following elements:
	Function, Failure mode, Cause, Effect, Detection, Occurrence, Severity, RPN threshold, Action.		Function, Failure mode, Cause, Effect, Detection, Occurrence, Severity, RPN threshold, Action.
	[[File:Figure 3.2.png\|thumb\|400px\|right\|Figure 3.2: PFMEA combined with WBS]<ref name="six"/>]		[[File:Figure 3.2.png\|thumb\|400px\|right\|Figure 3.2: PFMEA combined with WBS<ref name="six"/>]]

	The combination of PFMEA and WBS is the process of breaking down the preventive and control measures proposed in the PFMEA into top-down and bottom-up components for measure management purposes, using tools such as the WBS. Each improvement measure proposed in PFMEA table for a failure mode can be regarded as a project.		The combination of PFMEA and WBS is the process of breaking down the preventive and control measures proposed in the PFMEA into top-down and bottom-up components for measure management purposes, using tools such as the WBS. Each improvement measure proposed in PFMEA table for a failure mode can be regarded as a project.
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	#The measures was taken effectively and the process reliability was indeed improved<ref name= "four"/>		#The measures was taken effectively and the process reliability was indeed improved<ref name= "four"/>

	[[File:Figure 3.3.png\|thumb\|500px\|center\|Figure 3.3: WBS-PFMEA form of core production]]		[[File:Figure 3.3.png\|thumb\|500px\|center\|Figure 3.3: WBS-PFMEA form of core production<ref name="six"/]]

	Seen from the figure 3.3, it is an example for a core production. This method can be meet the practical manufacturing process need better.		Seen from the figure 3.3, it is an example for a core production. This method can be meet the practical manufacturing process need better.

Qian Xiao: /* The WBS on a port construction project under risk */

2023-05-09T20:49:54Z

The WBS on a port construction project under risk

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	Then the level 1 will be divided into work package, and the work package will be divided into activities and resources.		Then the level 1 will be divided into work package, and the work package will be divided into activities and resources.
	[[File:Figure 3.4.png\|500px\|thumb\|center\|Figure 3.4: WBS on a specific construction project]]		[[File:Figure 3.4.png\|500px\|thumb\|center\|Figure 3.4: WBS on a specific construction project<ref name="three"/>]]
	Identification of risk to the port construction project that may affect cost performance derived from literature studies, and the risk score can be calculated by:		Identification of risk to the port construction project that may affect cost performance derived from literature studies, and the risk score can be calculated by:
	<br />R=P*I		<br />R=P*I

Qian Xiao: /* Types of WBS */

2023-05-09T20:49:00Z

Types of WBS

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	*A deliverable-based work breakdown structure clearly demonstrates the relationship between the project deliverables (i.e., products, services, or results) and the scope (i.e., work to be executed). From figure 1(a), the level 1 elements are summary deliverable descriptions, while level 2 elements in each leg of the WBS are all the unique deliverables required to create the respective level 1 deliverable.		*A deliverable-based work breakdown structure clearly demonstrates the relationship between the project deliverables (i.e., products, services, or results) and the scope (i.e., work to be executed). From figure 1(a), the level 1 elements are summary deliverable descriptions, while level 2 elements in each leg of the WBS are all the unique deliverables required to create the respective level 1 deliverable.
	[[File:Figure 1(a).png\|500px\|thumb\|center\|Figure 1(a):A structure of Deliverable-Based WBS]<ref name="two"/>]		[[File:Figure 1(a).png\|500px\|thumb\|center\|Figure 1(a):A structure of Deliverable-Based WBS<ref name="two"/>]]

	*A phase-based WBS clearly demonstrates the process of a project. From figure 1 (b), each element of level 1 is typical phases of a project, while the level 2 elements are the unique deliverables in each phase. This kind of WBS type requires work associated with multiple elements be divided into the work unique to each level 1 element.		*A phase-based WBS clearly demonstrates the process of a project. From figure 1 (b), each element of level 1 is typical phases of a project, while the level 2 elements are the unique deliverables in each phase. This kind of WBS type requires work associated with multiple elements be divided into the work unique to each level 1 element.
	[[File:Figure 1(b).png\|500px\|thumb\|center\|Figure 1(b):A structure of Phase-Based WBS]<ref name="two"/>]		[[File:Figure 1(b).png\|500px\|thumb\|center\|Figure 1(b):A structure of Phase-Based WBS<ref name="two"/>]]

	*A responsibility- based WBS clearly defines project activities based on the organization units that will work on the project. This structure allows the responsibilities involved in the project management process to be assigned to each member.		*A responsibility- based WBS clearly defines project activities based on the organization units that will work on the project. This structure allows the responsibilities involved in the project management process to be assigned to each member.
	[[File:Figure 1(c).png\|500px\|thumb\|center\|Figure 1(c):A structure of Responsibility-Based WBS]<ref name="two"/>]		[[File:Figure 1(c).png\|500px\|thumb\|center\|Figure 1(c):A structure of Responsibility-Based WBS<ref name="two"/>]]

	===Features of WBS===		===Features of WBS===

Qian Xiao: /* Types of WBS */

2023-05-09T20:48:17Z

Types of WBS

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	*A deliverable-based work breakdown structure clearly demonstrates the relationship between the project deliverables (i.e., products, services, or results) and the scope (i.e., work to be executed). From figure 1(a), the level 1 elements are summary deliverable descriptions, while level 2 elements in each leg of the WBS are all the unique deliverables required to create the respective level 1 deliverable.		*A deliverable-based work breakdown structure clearly demonstrates the relationship between the project deliverables (i.e., products, services, or results) and the scope (i.e., work to be executed). From figure 1(a), the level 1 elements are summary deliverable descriptions, while level 2 elements in each leg of the WBS are all the unique deliverables required to create the respective level 1 deliverable.
	[[File:Figure 1(a).png\|500px\|thumb\|center\|Figure 1(a):A structure of Deliverable-Based WBS]]		[[File:Figure 1(a).png\|500px\|thumb\|center\|Figure 1(a):A structure of Deliverable-Based WBS]<ref name="two"/>]

	*A phase-based WBS clearly demonstrates the process of a project. From figure 1 (b), each element of level 1 is typical phases of a project, while the level 2 elements are the unique deliverables in each phase. This kind of WBS type requires work associated with multiple elements be divided into the work unique to each level 1 element.		*A phase-based WBS clearly demonstrates the process of a project. From figure 1 (b), each element of level 1 is typical phases of a project, while the level 2 elements are the unique deliverables in each phase. This kind of WBS type requires work associated with multiple elements be divided into the work unique to each level 1 element.
	[[File:Figure 1(b).png\|500px\|thumb\|center\|Figure 1(b):A structure of Phase-Based WBS]]<ref name="two"/>		[[File:Figure 1(b).png\|500px\|thumb\|center\|Figure 1(b):A structure of Phase-Based WBS]<ref name="two"/>]

	*A responsibility- based WBS clearly defines project activities based on the organization units that will work on the project. This structure allows the responsibilities involved in the project management process to be assigned to each member.		*A responsibility- based WBS clearly defines project activities based on the organization units that will work on the project. This structure allows the responsibilities involved in the project management process to be assigned to each member.
	[[File:Figure 1(c).png\|500px\|thumb\|center\|Figure 1(c):A structure of Responsibility-Based WBS]]<ref name="two"/>		[[File:Figure 1(c).png\|500px\|thumb\|center\|Figure 1(c):A structure of Responsibility-Based WBS]<ref name="two"/>]

	===Features of WBS===		===Features of WBS===

Qian Xiao: /* Types of WBS */

2023-05-09T20:47:37Z

Types of WBS

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	*A phase-based WBS clearly demonstrates the process of a project. From figure 1 (b), each element of level 1 is typical phases of a project, while the level 2 elements are the unique deliverables in each phase. This kind of WBS type requires work associated with multiple elements be divided into the work unique to each level 1 element.		*A phase-based WBS clearly demonstrates the process of a project. From figure 1 (b), each element of level 1 is typical phases of a project, while the level 2 elements are the unique deliverables in each phase. This kind of WBS type requires work associated with multiple elements be divided into the work unique to each level 1 element.
	[[File:Figure 1(b).png\|500px\|thumb\|center\|Figure 1(b):A structure of Phase-Based WBS]<ref name="two"/>]		[[File:Figure 1(b).png\|500px\|thumb\|center\|Figure 1(b):A structure of Phase-Based WBS]]<ref name="two"/>

	*A responsibility- based WBS clearly defines project activities based on the organization units that will work on the project. This structure allows the responsibilities involved in the project management process to be assigned to each member.		*A responsibility- based WBS clearly defines project activities based on the organization units that will work on the project. This structure allows the responsibilities involved in the project management process to be assigned to each member.
	[[File:Figure 1(c).png\|500px\|thumb\|center\|Figure 1(c):A structure of Responsibility-Based WBS]<ref name="two"/>]		[[File:Figure 1(c).png\|500px\|thumb\|center\|Figure 1(c):A structure of Responsibility-Based WBS]]<ref name="two"/>

	===Features of WBS===		===Features of WBS===

Qian Xiao: /* Types of WBS */

2023-05-09T20:46:58Z

Types of WBS

← Older revision		Revision as of 20:46, 9 May 2023
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	*A phase-based WBS clearly demonstrates the process of a project. From figure 1 (b), each element of level 1 is typical phases of a project, while the level 2 elements are the unique deliverables in each phase. This kind of WBS type requires work associated with multiple elements be divided into the work unique to each level 1 element.		*A phase-based WBS clearly demonstrates the process of a project. From figure 1 (b), each element of level 1 is typical phases of a project, while the level 2 elements are the unique deliverables in each phase. This kind of WBS type requires work associated with multiple elements be divided into the work unique to each level 1 element.
	[[File:Figure 1(b).png\|500px\|thumb\|center\|Figure 1(b):A structure of Phase-Based WBS]]		[[File:Figure 1(b).png\|500px\|thumb\|center\|Figure 1(b):A structure of Phase-Based WBS]<ref name="two"/>]

	*A responsibility- based WBS clearly defines project activities based on the organization units that will work on the project. This structure allows the responsibilities involved in the project management process to be assigned to each member.		*A responsibility- based WBS clearly defines project activities based on the organization units that will work on the project. This structure allows the responsibilities involved in the project management process to be assigned to each member.
	[[File:Figure 1(c).png\|500px\|thumb\|center\|Figure 1(c):A structure of Responsibility-Based WBS]]		[[File:Figure 1(c).png\|500px\|thumb\|center\|Figure 1(c):A structure of Responsibility-Based WBS]<ref name="two"/>]

	===Features of WBS===		===Features of WBS===

Qian Xiao: /* Process of the combination in closed loop management */

2023-05-09T20:46:00Z

Process of the combination in closed loop management

← Older revision		Revision as of 20:46, 9 May 2023
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	The general PFMEA worksheet included the following elements:		The general PFMEA worksheet included the following elements:
	Function, Failure mode, Cause, Effect, Detection, Occurrence, Severity, RPN threshold, Action.		Function, Failure mode, Cause, Effect, Detection, Occurrence, Severity, RPN threshold, Action.
	[[File:Figure 3.2.png\|thumb\|400px\|right\|Figure 3.2: PFMEA combined with WBS]]		[[File:Figure 3.2.png\|thumb\|400px\|right\|Figure 3.2: PFMEA combined with WBS]<ref name="six"/>]

	The combination of PFMEA and WBS is the process of breaking down the preventive and control measures proposed in the PFMEA into top-down and bottom-up components for measure management purposes, using tools such as the WBS. Each improvement measure proposed in PFMEA table for a failure mode can be regarded as a project.		The combination of PFMEA and WBS is the process of breaking down the preventive and control measures proposed in the PFMEA into top-down and bottom-up components for measure management purposes, using tools such as the WBS. Each improvement measure proposed in PFMEA table for a failure mode can be regarded as a project.