Create a network diagram to. Determine ES, EF, LS, LF and slack for each activity. Act Dur IPA Relation Lag ES EF LS LF TF FF 10 A B 7 A 3 SS FF А. Show how this changes the Value for ES, EF, LS, and LF. b. Badri Construction Company (BCC) is building a luxury lakefront home in the Karaoun Lake region of West Bekaa. Although there are a few steps, network diagrams are not very difficult to produce and a simple step by step process is not hard to remember. Final answer. You must show the critical path. Find out the project completion time. A future construction project has the following activity relationships and activity time estimates (in days): - Leave 2-decimal if not exact, do not round up, for example, 4. The first portion of this exam is calculating the ES, EF, LS, LF, and TF of a small project. 5. Calculate the ES, EF, LS, and LF times and slack for each activity. e) Using the. Image transcriptions. Calculate the ES, EF, LS, LF and slack for each activity and identify the critical path. constructing the AON with ES, EF, LS and LF for each task; determining, for each task, if it is on the critical path; printing such information and the critical path. Write your computed values in a table similar to the table provided below. Late Finish (LF): It is equal to the late start of the activity that follows. 3268. To calculate the LS, subtract its duration from its LF and add one. ES yang memiliki suksesor (kegiatan awal) maka ESsuccessor = EF (kegiatan i) + 1. 13 on page 246) Compute the values of ES, EF, LS, LF, FF, and TF for the activities in the network shown below. 2. g I 2 e. Calculate the ES, EF, LS and LF times for all activities. For this problem I would like you to create one table with the original plan and a second table with the updates based on. A small software development project has 9 major activities. Please use the table format presented in the text to solve this problem. Question: Q3- By using PERT draw the network diagram and determine Te, Var,ES, EF, LS, LF, and C. Biết cách dùng PERT để hoạch định, giám sát và kiểm soát các dự án 2. Explain what it means if an activity has a slack of zero. The ES for activity G is 26, and the EF for that activity is 29. In our example, the next Activity in the critical path is Activity 3. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. Activity Precedent Critical Duration ES EF LS LF Slack . Consider the first node, Node A. Identify the critical path for each network Task 1 Activity Precedence Time (days) A. Now, it is possible to compute slacks for each activity. Activity ty (days) Relationship Predecessor ES EF LS LF TF FF A 6 Finish-to. Figure 7. 0 of a particular accounting software project is being considered by Jose Noguera's technology firm in Baton Rouge. This video shows how to draw network diagram and calculate early start (ES), early finish(EF), late start(LS), and late finish(LF) using forward pass and bac. Also determine the total project completion time and the critical path (s). (c) State the non-critical activities (d) Explain what. The Duration box is known prior to drawing the network diagram. The following table describes the relationships among the activities that need to be completed. ^a If the relationship type is not mentioned, it is finish to start (FS). For the project depicted below, a) Compute the ES, EF, LS, and LF times for the network. Through clicking on Add New Column from the table in right pane and choose columns of type numbers. Complete the ES, EF, LS, LF and SL. Statistics. Question: STUDENT EXERCISE Exercise #1 1. State the non-critical activities. Each activity's mean is given in the table above. Calculate the expected duration and variance of the critical path. Early Start (ES): Earliest date the activity can start. 5. Activity Duration ES EF LS LF Slack 1-2 5 0 5 0 5 0 1-3 4 0 4 3 7 3 1-4 3 0 3 2 5 2 2-5 8 5 13 5 13 0 3-8 12. (c) Identify all paths. Can the project be completed in 40 weeks ? b) Assume that activity A actually finished at the 9th week, activity B actually finished at the 10th Recalculate the expected project completion time. Step-by-step explanation. Activity. Expert Answer. 1. LS(H) = 11. (c) Identify the critical path. 40 points out of 0. LS = LF – t. Operations Management questions and answers. Tasks that are on the critical path have identical LF and EF values. Engineering. Expert Answer. Answer to Solved For the following schedule, draw the node network,Calculate the ES, Ef, LS and LF times for each activity. b) LF of activity g as calculated = 24 days. Also, determine (show calculations) the independent float and interfering float for Activity K. Here are the activity times: Additional. Question: Problem #4 - AoN Diagram - Simple Activity Relationships ( 20 points) Given the following activity-on-node (AoN) diagram complete the following: a. Total Float shows the difference between the Earliest Start (ES) and Latest Start (LS) of an activity before the completion date is delayed. Mean, Median, Mode and Range Calculator Online. a) Crash this project to the maximum days it can be crashed at the least cost. What is project completion time? (b,c) Results Early Early Late Late Task Start Finish Start Finish Slack A 0 8 0 8 0 B 0 3 7 10 7 C 8 15 8 15 0 D 8 11 10 13 2 E 15 19 15 19 0 F 11 17 13 19 2 Project 19. Find the critical path for the network. If activity F is delayed by 2 days, will. Question: 5. |-mil r i pussidie patns are: -Path (1) =Start ACFH =0+5+7+4+8=24 WEEKS -Path. Do the same for the LS. Its ES is the EF of activity A, which is 9. 8 and identify the critical path. 17 Bill Fennema, president of Fennema Hospitality, has developed the tasks, durations, and predecessor relationships in the following table for building new motels. Latest start (LS): LF – task time for this task ; Calculate slack times for each task and for the entire project. The total project completion time and the critical path should also be determined. use the table entitled “ES EF LS LF. Answer:- ES of Activity A is 0 ES stand for Early Start. Then repeat the CPM calculations assuming contiguous activities. c) LF of activity h as calculated = 38 days. Kegiatan terakhir yang dilakukan pada Construct a CPM network for the project. For the project in the table below: a) Draw the network diagram showing ES, EF, LS, LF, and the critical path. hence EF of project = EF of activity k = 56 days. Question: Problem #4 - AoN Diagram - Simple Activity Relationships ( 20 points) Given the following activity-on-node (AoN) diagram complete the following: a. LS = LF – t. Slack: 4. B. (in 2 decimal places) c) T; Draw the network and find Project Duration, Critical Path, and the ES, LS, EF, LF, and slack times for each task. The total project completion time and the critical path should also be determined. Also indicate the critical path of the network. Draw the Project Network diagram b. Calculate, ES, EF, LS and LF for each activity, and highlight the critical path indicating the length of this project. Are there any online or free tools for drawing Critical Path using the CPM method? I already calculated all ES, EF, LS, LF and other parameters, now I'm looking for a tool to draw it. Te and Vp for the project. Explain what it means if an activity has a slack of zero. Highlight the critical path. The total project completion time and the critical path should also be determined. Transcribed image text: Question 2 - 20 points The following network diagram represents a project: E A B a. First, the Estimate at Completion (Es) is calculated by multiplying the budgeted cost of the project by the percentage of work completed. After computing the ES, EF, LS, and LF times for all activities, compute the slack or free time for each activity - Slack is the length of time an activity can be delayed without delaying the entire project Slack = LS - ES or Slack = LF - EF. Show the variance for each activity and compute for the total project variance. Slack – Float (S): A period of time when an activity can be delayed without causing the entire project to be delayed. Here is how it is calculated mathematically: S = LS – ES = LF – EF. Here are the activity times: Activity Time (weeks) Immediate Predecessor(s) Activity Time (weeks) Immediate Predecessor(s) E F C D Dave's earliest start (ES) and earliest finish (EF. Question: Given the project activity information above, draw the project network diagram using the Activity-on-Node (AON) style using the symbols and format from the text and the lecture video. Here are the activity times: Time Immediate Time Immediate. If you use the formula, LS-ES or LF-EF will get activity two has eight days float. Specifically, you need to calculate the expected time, variance, early start (ES), early finish (EF), late start (LS), late finish (LF), slack, and whether each activity is on the critical path. The EF of the last activity on the critical path. (AOA) and (AON) Network Construction and Critical Path Calculations (Using Four Methods) EXAMPLE: Construct the (AOA) and (AON) networks for the project whose activities, their durations and their precedence relationships are as given in the table, also find: i) [ES, EF, LS, LF, Slack] for all activities. This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Here are the activity times: Activity Time (weeks) Immediate Predecessor(s) A 5 − B 8 - C 3 A D 2 A E 3 B F 5 B G 10 C, E H 6 D,F a) Dave's earliest start (ES) and earliest finish (EF. Instructions for PM Case 1: Sager Products. . Can the project be completed in 30 weeks? Assume that task A actually finished at 5 weeks and task B actually finished at 5 weeks. Here are the activity times: Activity Time (weeks mmediate. and LF. Calculator Use. State the non-critical activities. Question: Develop a logic network for the sequence of activities listed in the table. Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Given the following network, compute the early, late, and slack iime lor cáčh activity. Formulas for calculating Total Float and Free Float are as follows: Total Float = LS – ES (it is also calculated by LF – EF)Free Float = Lowest ES of successors – EF. 2. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. From the following table of information, draw the network diagram, identify the ES, EF, LS, LF, TF, FF and critical path of the project. 5 B 6 C 4 D 1 Time Activity (weeks) F 5 F 6 G 11 H 7 Immediate Predecessor(s) B B CE DF A A Dave's. LS = LF – t. The steps shown in the following table are to be planned. Here are the activity times: Time Activity (weeks) A 6 B 8 с 2 D 1. Please give me correct solution. No. b) Please see explanation for answer. Early Finish (EF): Earliest date that the activity can finish. For which activities is the Total Float non. I prefer to follow the convention that which you find in Rita's book, to calculate the ES, EF, LS, LF, FF, TF. Through clicking on Add New Column from the table in right pane and choose columns of type numbers. Question: 4) Perform a project management analysis for the data given below to determine ES, EF, LS, LF, and slack for eac activity. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. Calcuate ES, EF, LS, LF for each activity and answer the following questions. To calculate ES, LS and S with the following formula EF = ES + t LF = LS + t- S = LS-ES or S = LF-EF 7 In the Table 3 there are two non-critical work is the activity of two preparation tools mixer. 4. It is solved using 1 method of CPM. B 8 - F 6 B. Draw the network diagram and calculate your critical path and completion time. (b). For the project in the table below: a) Draw the network diagram showing ES, EF, LS, LF, and the critical path. Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Chapter 3 or 9 Project Management How to calculate project scheduling duration Expected time ET of completion variance standard deviation, early start ES and. Use this formula to calculate LS: LS = LF - Duration. e. Design DB 15 7 22 2 17-5 5. b) Determine the expected duration, variance and standard deviation for each activity. 1. Slack – Float (S): A period of time when an activity can be delayed without causing the entire project to be delayed. ES, EF, LS, LF, and TF for each activity. The PERT/CPM chart has also been. A marketing firm is developing a new Web-based media campaign for a client. This video demonstrates how to construct a PERT/CPM AON (Activity-on-Node) network diagram for a project consisting of 8 activities and how to determine the. Calculate Critical Time and Critical Path. 2) On the diagram, compute the ES, EF, LS, LF, and the. EF (earliest finish time): 2. It stands for Early Start (Es), Early Finish (Ef), Late Start (Ls), and Late Finish (Lf). 9)Use the following formula to calculate the Float (FF) for each activity: FF = LS - ES. Identify all critical activities and critical path(s). Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. (LF = Last Finish Time) Slack Times. Can the project be completed in the required completion time of 38 weeks?ES, EF, LS, LF củamỗicông việc(CV) ES (Earliest Start time): thời gian sớm nhất mà mỗi CV có thể bắt đầu giả, sử rằng mọi CV trước nó đã kết thúc EF (Earliest Finish time) = ES + thời gian cần thiết để hoàn thành CV LF (Latest Finish time): thời trễ nhất mà một CV có thểQuestion: INSTRUCTIONS: For the project information given below, draw a network diagram showing the following: 1. critical activities are activities having TS = 0. . Here are the activity times: Dave's earliest start (ES) and earliest. 2. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. There are 2 steps to solve this one. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. Construct the project network, given the precedence information provided, and calculate the ES, EF, LS, and LF times and the slack associated with each activity, and determine the critical path. The formula for calculating total float is, Total float = LS – ES or LF – EF. Determine the ES, EF, LS, LF, and slack time for each activity. Part 1: (See figure 2 – part 1 below). Question Help IE Problem 3. 2 13 h, 1 Use the network diagram to answer the questions below: 1. Calculate the probability that the project will be completed in fewer than 30 time units. E D, F Yes 4 11 15 11 15 0 . Get to know our online critical path method calculator and PERT CPM diagram and solve exercises automatically with a few clicks. Complete the ES, EF, LS, LF and slack times for each activity and answer the following question: What is the probability that the project will be completed in 24 weeks or less? Activity Optimistic Most Likely Pessimistic Immediate Predecessor А 3 4 5 B 6 7 14 А C с 5 6 13 A D 6 9 12 B E 4 8 12 B,C F 1 3 11 B,D,E B D IA TZ E 4 8 12 B,C F 1 3. 1. Identify the critical path for each network. (LF-EF) or (LS-ES) of proceeding activity Free Float The time available to delay the start of the activity without interfering the early start time of the activities that follows. Network Calculations (10 points) Complete a forward pass and backward pass on the network below and fill out the tabular report and answer the questions that follow B 3 E 5 2. What is the project duration? What are the critical activities? Activity. Refer to the critical path you found in 2. - 3. Final answer. Can the project be completed in 30 weeks? Answer The ES (earliest start time), EF (earliest finish time), LS (latest start time) and LF (latest finish time) and the slack which refer to the latest and earliest times for each. Operations Management questions and answers. The total project completion time and the critical path should also be determined. ES, EF, LS, and LF for each activity c. Question: PROJ1 - Case Study 4 1. Question: Draw the AOA network and identify the critical path. Computing Slack Time After computing the ES, EF, LS, and LF times for all activities, compute the slack or free time for each activity Slack is the length of time an activity can be delayed without delaying the entire project Slack = LS – ES or Slack = LF – EF Dr. d) What is the probability that Kelle Carpet and Trim will finish the project in 40. Since Question 3: Develop a resource constrained schedule for the below. (a) Draw an arrow diagram for the project. Question: Q#1) Answer the following questions For the activities data shown in the table below: A) Draw an Activity on Node network. The backward pass assigns the last activity’s EF as its latest finish. Use the following legend for filling out the AON network: Duration ES Activity Total Float Free Float EF LS LF SS 6 FS 7 K 10 FF4 SS 3 SS 3 FF 3 5 FS 2 A3 E FF 3 SS 5. Determine the expected completion time for the entire process. Critical Path Activity Duration Predecessor ES EF LS LF Slack = LS - ES| if slack =0, then critical path A 2 0 2 0 2 Critical path 10 A IN 12 2 12 Critical path A 2 10 3 11 No critical 15 A 17 4 19 No critical 7 B 12 19 12 19 ritical path 20 C 10 30 31 No critical G 12 E,D 19 31 19 31 0 Critical. LS = 10 - 4 + 1 = 7. OR. A project consists of 11 activities, lettered A through K, below. Use the data from the table below to draw the node network. Backward pass steps: 1. Question Help IE Problem 3. LS = LF – t. The latest end date for activity C would be the latest start date of H i. Calculate the ES, LS, EF, LF and Slack for each activity of the project? 3. To calculate the LF of tasks that aren’t on the critical path, you have to start with the project completion node and work your way backward. See Answer. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. Also indicate the critical path on the network. The four corners will be calculated, starting with the ES and EF via a forward pass, then the LF and LS via a backward pass. Can the project be completed in 30 weeks? Assume that activity A actually finished at 5 weeks and activity B actually finished at 5 weeks. Free slack is the time a task could be postponed without affecting the early start of any job following it. George would like to determine ES, EF, LS, Lf, and slack for each activity. Question. S = LS – ES = LF – EF. Late Start (LS): It is equal to the Late Finish minus its duration (t). ) ES EF LS LF Slack Activity 1-2 1-3 1-4 23 12-5 2-6 3-7 147 5-8 6-8 7-8 Question 3b and 3C The critical path is The. Total slack is the time a job could be postponed without delaying the project schedule. Use the following legend for filling out the AON network: Duration Activity Total Float ES EF LS Free Float LF SS 6 FS 7 с 10 F K 10 FF 4 SS3 SS 3 SS 3 FF 3 5. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. (b) Indicate the criticla path. 2) Highlight or mark the critical path on your network. See Answer. Here are the activity times: Immediate Predecessor(s) Time Activity (weeks) А. Statistics. Calculate the ES, EF, LS, and LF times and the slack for each activity. Late Finish (LF) = On Critical Path, LF of the last activity is equal to the EF of that activity; The latest start time of the activity of the previous node minus. let’s see how… You cannot delay activity two by eight days without slowing activity three’s early start of 17th. For the Test & Commission Tank, the LF is 54 and, the LS is 50 (54 - duration of 4). Free float (n)=minimum early start of all successor activities - early finish (n) ES proceeding activity – EF current activity ©Sheila BelayuthamTranscribed image text: Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. b) Determine ES, EF, LS, LF, and slack time for each activity. For the set of activities shown in the table: a. . c) Determine ES, EF, LS, LF, and slack for each activity. Clearly identify the critical path. The total project completion time and the critical path should also be determined. Free slack is the time a task could be postponed without affecting the early start of any job following it. Engineering; Civil Engineering; Civil Engineering questions and answers; For the following schedule, draw the node network, perform the CPM calcula- tions, mark the critical path, and complete the table. Draw the network diagram based on the information given below. The EF is calculated by EF = ES + t (the duration of an activity). When the switch is opened, find the time constant. It takes 3 weeks to complete its execution. 3. View the full answer. Calculate the ES, EF, LS, LF, and Slack for each activity. Problem: (No. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. Early Finish Time: Late Start Time: Late Finish Time: The LF time is the minimum LS of all the successors, except for the last task where LF equals EF. 1. Method used to determine ES and EF times of activities, as well as minimum total project duration. Question 3 Enter the ES, EF, LS, LF, and Slack for each activity. Determine the probability that the project will be finished in 80 days or less. Its ES is the EF of activity H, which is 16. Calculate the initial energy stored in the capacitor. Calculate the total duration (days) of the project, its early start, early finish, late start, and late finish times, and the slack for each activity. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Late Start. Solve ellipses step by step. Perform CPM calculation using forward pass and backward pass method and complete Table 1(b). Calculate the expected duration of each activity. 1) Construct the project network 2) Show ES, EF, LS, LF, and slack for each activity on the project network chart 3) What are the critical activities? 4) How much time will be needed to complete this project? Show all your work and legend. Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Operations Management questions and answers. TOTAL FLOAT ES D EF. LS is computed by subtracting LF to Time. txt and CPM1. 6. View the full answer. CPM Calculations. Also calculate the ES, EF, LS, and LF for each activity: Activity Preceding activity Time (Weeks) A 7 B 8 C. View the full answer. Operations Management questions and answers. Given is a PERT project network diagram as shown below a) The project completion time =. b. Dave's latest start (LS) and latest finish (LF) are. The total project completion time and the critical path should also be determined. During the forward pass, the boxes for ES(i) and EF(i) are filled in. Please calculate the "expected finish time" and "variance" for each activity. G 2 Activity ES Duration LS EF FF TELF D H 3 10 A B E к L 1 2 с ES EF LS LF TF FF Activity C D E G I What is the project duration? a) 25 b) 26 c) 27 d) 28 e) None of the above I is a critical activity. C. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. Also indicate the critical path on the network. When the switch is closed, calculate the value of Vc. Determine ES. actually finished at 8 weeks, “Design Input & Output” actually finished at 15 weeks, and “Design Database”. Question: 2. Explain what it means. CPM Calcula: STUDENT EXERCISE Exercise #5 1. Rút ngắn thời gian hoàn thành dự án sao. The total project completion time and the critical path should also be determined. Here are the activity times:Backward Pass. Question: Draw the following networks, assuming interruptible activities and perform the CPM calculations to complete the corresponding table. The four corners will be calculated, starting with the ES and EF via a forward pass, then the LF and LS via a backward pass. Early Finish. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. Figure 2 shows these times noted on the network diagram next to each event using the following convention: The float calculations for the sample schedule are shown in Exhibit 5. . Free Float = Lowest ES of successors – EF. Calculate the ES, EF, LS, LF, and Slack for each activity. Question: After consulting with Butch Radner. We add ES to the duration for each activity to find EF. n. 1. Transcribed Image Text: Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Here are the activity times: Dave's earliest start (ES) and earliest finish. Depends on. Let’s look at the approach that some of the popular study guides and . Here are the activity times: Immediate Predecessor(s) Immediate Predecessor(s) B Time Activity (weeks) A 6 B 7 с 3 D 2 Time Activity (weeks) E 4 6 G 10 H 7 Inim A A B C. Final answer. After we have determined the ES and EF for each activity, we are able to compute the LS and LF values for those activities. Compute the values of ES, EF, LS, LF, FF, and TF for the activities. Calculate the expected duration of each activity. The total project completion time and the critical path should also be determined. A project consists of 11 activities, lettered A through K, below. Question: Calculate the ES,EF,LS,LF and Slack time for each node: Activity Precedent Duration ES EFLSLF Slack C, D F, E. ES, EF, LS, LF calculator An ES, EF, LS, LF calculator is a tool that helps to calculate the early start, early finish, late start, and late finish times for a project. Your instructor will provide the answers. This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. (enter as a probability and round your response to three decimal places). Expert Answer. Question: The network below represents a project being analyzed by the critical path method. Step 6: Calculate the total float (TF) or slack for each activity or task, which is the difference between the LF and EF or between the LS and ES. Then, fill in all calculated activity information onto the blank tabular form provided. 4. All fields marked * are mandatory. Times are given in weeks. Operations Management. F C No 2 8 10 9 11 1 . a. The times are estimated and provided in the network below. Activity Time (weeks) Predecessors Activity Time (weeks) Predecessors A 5 E 3 B B 4 F 5 B С 2 A G 9 C, E D 1 A H 6 D, F.