how to create a network diagram‚ and how to do a forward and backward pass to determine the ES‚ LS‚ EF‚ LF and slack (float). You will also learn how to determine the duration of the project‚ and the critical path. In this homework assignment‚ you will be working through four Activity In Box (AIB) problems. Using the activity‚ duration‚ and predecessor information given in this document‚ you should first construct a network for each "project." [Each problem will have its own network.] Once you
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assembly line is 360 units. This assembly line will operate 450 minutes per day. The following table contains information on this product’s task times and precedence relationships. TASK TASK TIME(SECONDS) IMMEDIATEPREDECESSOR A 30 - B 35 A C 30 A D 35 B E 15 C F 65 C G 40 E‚F H 25 D‚G 106878243848Draw a precedence diagram What is the workstation cycle time (takt time)? C = Production time per day/Output per day =450 mins. x 60 seconds / 360 units per day = 27000 seconds/ 360 units
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The Campus Wedding Case – The “A” case 1. Given the activities and precedence relationships described in the (A) case‚ develop a network diagram for the wedding plans. The following table contains the activities‚ expected activity times‚ and crashing information. Activity Duration (days) Predecessor Activities Crash Cost Crash Time 1. Reserve Church 1 2. Church Notice Wait 17 1. Reserve Church $100 10 3. Decorate Church 3 2. Church Notice Wait 4. Travel from Guatemala 10 $500 2 5. Fit Dress
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1.2. ACTIVITIES TIMING AND TOTAL FLOAT To determine timing of activities in the network diagram the following calculations were done for each node: Earliest Start-(ES)‚ Earliest Finish-(EF)‚ Latest Start-(LS) and Latest Finish-(LF). Field and Keller (1998‚ p. 191) ES and EF are found by using the forward pass through the network … from the unique project start node and ends at the unique project completion node. ES is the ending day for the previous node/activity‚ where more than one
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Activity Diagram Administrator Inventory System Use Case Descriptions Inventory Use case: Search Item Actor: Sales Clerk Description: The system will search the item. Use case: Look Up remaining stocks. Actor: Sales Clerk Description: The will Look Up if they are enough stocks for the item. Use case: Look Up Item Price Actor: Sales Clerk Description: The system will look up the item price. Use case: Produce item details Actor: Sales
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2. A medium-sized engineering firm has three separate engineering offices. In each office‚ a local LAN supports all the engineers in that office. Due to the requirement for collaboration among the offices‚ all the computers should be able to view and update the data from any of the three offices. In other words‚ the data storage server within each LAN should be accessible to all computers‚ no matter where they are located. Draw a network diagram that will support this configuration. 3. A small
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addition‚ paper records often become bulky with time‚ which leads to lack of overview. Because paper records still represent the usual medium for collecting and recording patient data‚ these weaknesses could impede the continuity and quality of care. Allow for all medical offices to send‚ receive‚ and share data & resources throughout the network Upgrade all hardware/software to ensure network operability Allow scalability for growth of and on the network Merge all five medical offices without slowing
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Dependencies and Network Diagram The network diagram is a schematic representation showing the sequence and relationship/ dependency of the tasks along with their duration. All the tasks‚ except the first and the last‚ are linked with at least one predecessor and successor to have a proper sequence of work. This logical dependency between the tasks will determine afterwards the duration of the project. There are four types of dependencies which define the relation between pair tasks Finish-to-start
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Critical Path Procedure 1. Develop a list of the activities that make up the project. 2. Determine the immediate predecessor(s) for each activity in the project. 3. Estimate the completion time for each activity. For example: Activity Immediate Predecessor Time A - 3 B - 1 C - 2 D A‚ B‚ C 4 E C‚ D 5 F A 3 G D‚ F 6 H
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Semester 2‚ 2012/13 Individual Written Assignment (Case 1 Toys City) Name: LUON Shuk Yan Student Id: 11280338d LEC001 SEM 005 Class Instructor: Johnny Wan Question (1) I would have accommodated David Cheung’s vacation request. According to the network diagram above The critical path of the project is: Activity 1 Activity 2 Activity 5 Activity 7 Activity 10 Activity 13 Activity 15 As audit of liquid assets (activity 4) is not on the critical path‚ it is not a critical activity
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