es, ef, ls, lf calculator online. Complete the Critical Path and calculate the Project Completion Time. es, ef, ls, lf calculator online

 
 Complete the Critical Path and calculate the Project Completion Timees, ef, ls, lf calculator online  Its LF is determined by subtracting one from the previous activity's LS

Activity E Activity E has one preceding activity, H. Chapter 3 or 9 Project Management How to calculate project scheduling duration Expected time ET of completion variance standard deviation, early start ES and. 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. 1. f. 2) Highlight or mark the critical path on your network. LS is computed by subtracting LF to Time. For each activity, the preceding activity is given, and a deterministic estimate of the length of time required to complete it in weeks. . Với các công thức tính toán đơn giản, người quản lý dự án có thể thời gian hóa các công việc và dự tính thời gian hoàn thành dự án một cách chính xác và khoa học hơn. Add up to flow can likewise be ascertained as the contrast between Late Complete and Early Complete, as LS short ES and LF less EF calculate. Fletcher would like to determine ES, EF, LS, LF, and slack forea activity The total project completion time and the critical path should also be determined. 2. 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. Define Finland a Select two pouble Interview L. No. Earliest Starting time (ES): This is maximum Earliest Finish (EF) of all predecessors of an 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. b) Determine ES, EF, LS, LF, and slack time for each activity. insert into formula popup the right equation, as follows: Unformatted text preview: EF (earliest finish time): 19 LS (latest start time): 16 LF (latest finish time): 23 Slack: 4 Critical Path: Yes Activity F ES (earliest start time): 10 EF (earliest finish time): 30 LS (latest start time): 15 LF (latest finish time): 35 Slack: 5 Critical Path: No Activity G ES (earliest start time): 19 EF (earliest finish time): 31 LS (latest start time): 23 LF. Show how this changes the Value for ES, EF, LS, and LF. The total project completion time and the critical path should also be determined. Fill in the table. Question: Draw the Precedence Diagram for the above project complete with ES,. 12) was able to determine the activity times for constructing his laser scanning machine. Refer to the critical path you found in 2. actually finished at 8 weeks, “Design Input & Output” actually finished at 15 weeks, and “Design Database”. Biết cách dùng PERT để hoạch định, giám sát và kiểm soát các dự án 2. 11: ES and EF times. Develop a table showing the activities of the project, the duration of each activity, the ES, EF, LS, LF and slack times. e. See Answer. Times are given in weeks. design personnel jobs d. Rita Mulcahy’s PMP Exam Prep uses approach 1, whereas Head First PMP and PM Prepcast. Given is a PERT project network diagram as shown below a) The project completion time =. 2. Its LF is 23 + 3 = 26. Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. What is the expected completion time for the project? 3. Your instructor will provide the answers. 0E-15. Question: (10 Points) Given the AON network in Figure 2 (following page) determine the ES, EF, LS, LF, Total Float, and Free Float of each activity. B) Yes, the project can be completed within 40 weeks. VD: Tiếp tục với ví dụ trên, khi đó EF của công việc B sẽ bằng ES của B cộng với thời gian thực hiện của B, tức là EF của B là 5 + 3 = 8. Question: Question 1: Draw the following network using The Activity-On-Node method and determine the activity details ES, EF, LS, LF, TFt and FFt then locate critical path(s) considering the following data: Duration Activity Depends on Relationship & Lag (days) A 8 B 5 с 4 D 10 A SS=4 A FS=2 E 7 B FF=1 B FS=2 F 8 C С FS=2 G 5 С FF=3 H 8 G FS=2. The expected time is the weighted average of the optimistic, most likely, and pessimistic estimates, and the variance is calculated using the formula. This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Determine the probability that the project will be finished in 70 days or less. Also answer the flowing questions completely. C. Here are the activity times: Activity Time (weeks) Immediate Predecessor(s) Activity Time (weeks) Immediate Predecessor(s) A 7 − E 4 B B 6 − F 5 B C 4 A G 10 C, E D 2 A H 8 D , F. Conduct a forward and backward pass (calculate ES EF, LS, LF) 4. 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. (Unlabeled relationships are F2S with O lag. Step 5: Calculate the earliest start time (ES), earliest finish time (EF), latest start time (LS), and latest finish time (LF) for each activity or task, using the forward and backward pass methods. (a) Draw a network with t, ES, EF, LS, and LF (followCritical Path Method Calculator – PERT and CPM Diagram 🥇. g. Tinh ES, EF, LS, LF, thai gian du tm toan phan va thai gian dir tnr tu do cua cac cong viec (1,5 diem). State the non-critical activities. Since this is an expensive part of my algorithm, I am wondering if this can be done more efficiently, e. Free slack is the time a task could be postponed without affecting the early start of any job following it. a) Crash this project to the maximum days it can be crashed at the least cost. 33 10Menghitung waktu proyek • Tahap I hitung ES dan EF (hitung maju), maksimum dari beberapa kegiatan • Tahap II hitung LS dan LF (hitung mundur), perhitungan dimulai dari kegiatan terakhir (EF=LF),menuju kegiatan pertama(ES=LS), minimum dari beberapa kegiatan. Using the following information, create a network diagram. All activities contained in the critical path have zero slack. The total project completion time and the critical path should also be determined. let’s see how… You cannot delay activity two by eight days without slowing activity three’s early start of 17th. . Activity Immediate predecessors Normal time (days) Crash. Step 1. 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. Question: Assignment Using the figure below, answer the following: 1. This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. 4. Late Finish. Calculate the ES, EF, LS, and LF times and the slack for each activity in the figure below and identify the critical path for the project. Kỹ thuật này. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity The total project completion time and the critical path should also be determined. For all other tasks, the LF is the same as its immediate predecessor’s LS. Free Float: The amount that a task can move without affecting other tasks. CPM Calcula: STUDENT EXERCISE Exercise #5 1. The fotai proje completion time and the critical path should also be determined. Determine the expected completion time for the entire process. Fletcher would like to determine ES, EF. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. C. 11-15 A marketing firm is developing a new Web-based media campaign for a client. What is the expected completion time for the project? 3. (10 Points) Given the AON network in Figure 2 (following page) determine the ES, EF, LS, LF, Total Float, and Free Float of each activity. LF = LS of Previous node -1 = 18 – 1 = 17; LS = LF – Activity Duration + 1 = 17 – 9 + 1 = 9; Node DFinal answer. It looks like this: LF - EF = total float. The total project completion time and the critical path should also be determined. Question: Q3- By using PERT draw the network diagram and determine Te, Var,ES, EF, LS, LF, and C. Total Float shows the difference between the Earliest Start (ES) and Latest Start (LS) of an activity before the completion date is delayed. The total project completion time and the critical path should also be determined. This duration of “4” days is called “FLOAT” or “SLACK”. It looks like this: LF - EF = total float. Find step-by-step Management solutions and your answer to the following textbook question: Dave Fletcher (see Problem 3. You can highlight the cells of the. Total Flow demonstrates the distinction between the earliest and latest date the action can begin before the culmination date. Once you have entered all the tasks, their dependencies, and the estimates, please click below to find the critical path. The duration plus the earliest start add up to the earliest finish. Your instructor will provide the answers. If two activities converge (i. I will calculate the ES, EF, LS, LF, and Total Slack for each activity based on the given informati. If your calculations result in a project schedule with negative total slack, revise the project scope, activity estimated. Assume D=20 weeks. Earliest start time (ES) = max (EF of predecessors) Latest start time (LS) Earliest finish time (EF) Latest finish time (LF) = min (LS of successors) Slack = LS - ES or LF - EF Critical path: activities that have zero slackDevelopment of Version 2. The Es Ef Ls Lf method involves four steps. Its LF is equal to. (in 2 decimal places) b) The earliest start time ES of activity G =. B) Calculate the normal, least-cost, and crash duration for the. If the first activity's duration is 7 days, then its ES = 0 and EF = ES + Duration = 0 + 7 = 7. P for the following table. For each path start on the right side of the diagram and move to the left side of the diagram. 40 points out of 0. Previous question Next question. a) Please see explanation for answer. Then show the effect of crashing each activity on the network by crossing out values and writing the new ones immediately above or below it, see example. Question: Question 2 (10 points): 1) Use the information below, find ES, EF, LS, LF, FF and TF for each activity. Calculate the ES, Ef, LS and LF times for each activity. After answering all ES and EF, We can now do the backward pass. Can the project be completed in 40 weeks? Activity Preceding Activity Time (Weeks) ES EF LS LF Slack A 10 B 8 C A, B 6 D A 8 E B 9 F C, D 7 G D, E 12 H F, G 10 b) Assume that activity A actually finished at the 9th week, activity B actually finished at the. Operations Management questions and answers. Given the AON network in the Figure, determine the ES. Instructions for PM Case 1: Sager Products. Holgura de la actividad C = LS – ES = 5 – 5 = 0 diasFor manual application of the critical path algorithm shown in Table 10-7, it is helpful to draw a square of four entries, representing the ES(i), EF(i), LS(i) and LF (i) as shown in Figure 10-14. 0E+18 fL. Get to know our online critical path method calculator and PERT CPM diagram and solve exercises automatically with a few clicks. Based on PM PrepCast and Formula Study Guide, here are the fomulas: EF = ES + Dur - 1 ES = EF of prev (largest) + 1 LF = LS of succ (smallest) - 1 LS = LF - Dur + 1 Float = LS - ES = LF - EF However, it was mentioned that there are other calculation methods, which where the Start Day is Zero. (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. What is the project duration? What are the critical activities? Activity. Calculate the ES, EF, LS, and LF times and the slack for each activity and identify the critical path for the project. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. |-mil r i pussidie patns are: -Path (1) =Start ACFH =0+5+7+4+8=24 WEEKS -Path. Your instructor will provide the answers. For the \ nish" node (if there is one) ES is \=max(all EF entries)" This is also the max of all the entries in column G \Finish time" is calculated as the max of entries in the EF column, unless there is a preset nish time. Draw the network diagram based on the information given below. Its ES is the EF of activity A, which is 9. #manpropolibatam Tedy dan Tiodora, mahasiswa Prodi Administrasi Bisnis Terapan, Politeknik Negeri Batam mempresentasikan penyelesaian kasus project time mana. Then, fill in the LS & LF times working backwards from Finish to Start. Calculate the probability that the project will be completed in fewer than 30 time units. Project Plan 365 works seamlessly on your Windows, Mac, iOS or Android devices. . (100 points) a. Its EF is 16 + 3 = 19. 3. EF=ES+t LS = LF + Slack = LS ⋅ES LF. Calculate the ES, EF, LS, and LF times and the slack for each activity in the figure below, and identify the critical path for the project, assuming must be done by 40 weeks (MUST SHOW WORK TO GET CREDIT - INCLUDE FORMULAS). Calculate the ES, EF, LS, and LF times and the slack time for each activity, show your work. Question: 1) Construct an Activity on Node (AON) network diagram based on the activity description below. View the full answer. Perform forward and backward pass for Q. b) Please see explanation for answer. Calculate the ES, EF, LS, and LF times and the slack for each activity in the figure below, and identify the critical path for the project. Identify the critical path. Early Finish (EF) = ES + Activity Duration (D) – 1; Late Finish (LF) Project management formula for Late Finish (LF) if the convention that the project starts on day one is adopted. A - Yes 6 0 6 0 6 0 . 2 F FFFletcher would like to determine ES, EF, LS, LF, and slack for each activity. The first day starts at 0. Total Float = LS - ES or LF - EF. Project Information. Transcribed Image Text: Using the following information, create a project network diagram. Early Start. 2. Transcribed image text: Draw the node network, perform the CPM calculations, mark the critical path, and complete the table below: Repeat exercise with an imposed finish date of 18 and. 15 Question Help Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Activity Precedent Critical Duration ES EF LS LF Slack . This is highly useful as schedules changes over the course of a project/program. (10 Points) Given the AON network in Figure 2 (following page), determine the ES, EF, LS, LF, Total Float, and Free Float of each activity. Install Leg 2 Inspect Appliances 2 Leg 5 Order Aopliances Legend ES ID EF SL Description SI. Determine the critical path (s) and project completion time. (enter as a probability and round your response to three decimal places). b) Determine the expected duration, variance and standard deviation for each activity. Calculate the ES, EF, LS, LF, TF, FF, project duration, and critical path on the network diagram below. The ES of an activity equals the EF of the one before it. Based on the information given develop a network diagram using Activity on Node (AON) method. What is the probability of completing the project within 30 days? Project Management: The project management helps in arranging the task and order in a systematic way for completing the project in minimum time. (b) Determine the ES, EF, LS, LF, and slack time for each activity. Assume that every activity is normally distributed. Its LF is 23 + 3 = 26. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. Given the immediate predecessors and a, m, b for each activity in the tables below, compute: a. Download Table | ACTIVITIES CODE WITH THEIR ES, EF, LS, LF AND SLACK from publication: Probabilistic Completion Time in Project Scheduling | There are two common used methods to. Calculate the ES , EF , LS , LF , FF for each actvity , and the overall project duration and mark the critical path . Activity E Activity E has one preceding activity, H. E D, F Yes 4 11 15 11 15 0 . Assume that all activities are interruptible. 2. (15 points) b. b) Please see explanation for answer. Learn how to calculate the mean, median, mode, and range of a data set easily and step by step with our online calculator. 2. Click on formula button from Custom Attributes. For the following simple seven‐activity project, develop a precedence network, calculate all relevant characteristics of each activity (ES, EF, LS, LF, TF), and calculate the project duration. ES ET LT Activity Duration FF/TF EF ET LT Sprinkler system Landscape Site clearing Slab building 1 Slab building w2 Construct sidewalks Build entry gate Punch out 3 7 10 11 4 Sot up security Jonce Frame building w1 Interior. Late Finish (LF): It is equal to the late start of the activity that follows. Start studying Chpt 17 Project Management. The total project completion time and the critical path should also be determined. Also indicate the critical path on the network. c) Crash the schedule one day at time and show the effect of crashing each activity on the network by crossing out values and writing the new ones immediately above or below it. 1. Dave's earliest start (ES) and earliest finish (EF. c) Determine ES, EF, LS, LF and slack time for each activity. (4) Perform a project management analysis for the data given below to determine ES, EF, LS, LF, and slack for each activity, the total project completion time, and the critical path. Holgura total = LF – EF. Variability in Activity Times. Analfundo Demiche 1. Question: 1. 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. Draw the project network chart and show ES, EF, LS, LF, and slacks on the chart. Identify the critical path for the project. Clearly identify the critical path. We reviewed their content and use your feedback to. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. ES of all other activites = EF (of previous activity) + 1. A small software development project has 9 major activities. CPM Calcula: STUDENT EXERCISE Exercise #5 1. Calculate the ES, EF, LS, and LF times and slack for each activity. Assume a Finish-to-Start (FS) relationship with zero lag/lead time unless. Question: 2. a) Please see explanation for answer. For Partially leveled schedule, what is the highest number of manpower are. 3. This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Given the activity-on-node (AoN) diagram shown below, do the following: A) Compute. During the forward pass, the boxes for ES(i) and EF(i) are filled in. Expert-verified. Find the critical path for the network. Question Help IE Problem 3. EF = ES + waktu Kegiatan LS = LF – waktu kegiatan 21. Draw the project network and list the earliest start (ES), earliest finish (EF), latest start (LS) and latest finish (LF) for each task. Find out the project completion time. The Duration box is known prior to drawing the network diagram. Then do the CPM calculations and complete the table. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. 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. Do the same for the LS. Determine the probability that the project will. The advantage with this convention is that you don't need to add/subtract hours. ) Identify the critical path Assume the first activity starts at day 0. B 8 - F 6 B. Question: 4. Determine the expected duration and variance for each activity. Conduct a forward and backward pass (calculate ES EF, LS, LF) 4. Prepare a network diagram. When the switch is closed, calculate the value of Vc. This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Once you have entered all the tasks, their dependencies, and the estimates, please click below to find the critical path. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. 4. critical activities are activities having TS = 0. (a). Create a network diagram to. 4. LS (latest start time): 4. Question: Draw the following networks, assuming interruptible activities and perform the CPM calculations to complete the corresponding table. Operations Management. Earliest Finish time (EF): This is ES + duration of the activity (t) Latest Finish time (LF): This is the minimum Latest Start time (LS) of all successors of an activity. Activity Precedent Activity Duration A(10 Points) Given the AON network in Figure 2 (following page) determine the ES, EF, LS, LF, Total Float, and Free Float of each activity. The total project completion time and the critical path should also be determined. Calculate the ES,EF,LS,LF and Slack time for each node. Trending now This is a popular solution! Step by step Solved in 3 steps with 4 images. 1. Let’s see how we can calculate the forward pass and backward pass using Microsoft First, add five columns named ES (for early start), EF (for early finish), LS (for late start), LF (for late finish), and Slack in the Microsoft Excel sheet, as shown in figure . B. Math; Advanced Math; Advanced Math questions and answers; Question 1: 1. Construct a network for this problem. Dave's latest start (LS) and latest finish (LF) are. Please show the network diagram with all the ES, EF, LS, LF and Slack values on each activity. c. Draw an Activity-on-Node network diagram for the project 2. The switch in the circuit has been closed for a long time, and it is opened at t=0. (d) Determine the critical path(s) and project completion time. 5. For the set of activities shown in the table: a. Calculate the ES, EF, LS and LF times for all activities. 3. Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Highlight the critical path. The total project completion time and the critical path should also be determined. Latest start (LS): LF – task time for this task ; Calculate slack times for each task and for the entire project. (4) Perform a project management analysis for the data given below to determine ES, EF, LS, LF, and slack for each activity, the total project completion time, and the critical path. 6. Find v (t) for t>= 0. The total project completion time and the critical path should also be determined. Fletcher would like to delermine ES, EF, LS, LF, and stack for each activily. 0 (1 review) Get a hint. I prefer to follow the convention that which you find in Rita's book, to calculate the ES, EF, LS, LF, FF, TF. 15 points] e ti i 2 4 is A G I 7 st (a) Using the method of ES, EF, LS, and LF, determine the project completion time? (b) Find the critical path (s). Establishing ES and EF dates enables early resource allocation for the project. There are 2 steps to solve this one. S = LS – ES = LF – EF. With the current estimates, it will take 36 weeks. The formulas to calculate the ES, EF, LS, LF, and FF are different. the probability that the project will be finished in 70 days is. Write your computed values in a table similar to the table provided below. 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. The ES is the maximum EF of all predecessors, except for the first task where the ES=0. Tasks that are on the critical path have identical LF and EF values. A network diagram is provided using the Activity on Arrow (AOA) format Find ES, EF, LS, LF, and slack values all activities. This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Time requirement. c. Determine ES, EF, LS, LF and slack for each activity. Optimization methods with objective function and constraints. 1 cubic meter is equal to 1000 L, or 1. Statistics. Holgura de la actividad B = LS – ES = 7 – 5 = 2 dias. Explain what it means. To calculate the LS, subtract its duration from its LF and add one. Given that due date of the project is 59 days Therefore, LF of the project (and last activity k) = 59 . EF (a) Develop a project network for this problem. A) ANSWER: Activity D ES EF LS LF TS A 2 0 2 4 6 4 B 10 2 12 6 16 4 C 8 2 10 7 15 5 D 15 2 17 8 23 6 E 7 12 19. Below is a breakdown of the steps with examples. Develop Input 8 10 18 11 19 1 6. It can also be calculated as LS minus ES. Here LS = 7 and ES =1, therefore total float of Node A = 7 -. Total Float = LS – ES or LF – EF. 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. List activities Use a work breakdown structure to list all the project activities or tasks required to produce the deliverables. Then, determine the ES, EF, LS, LF, and the Slack times for all of the activities. 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. Final answer. 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. A backward pass determines the dates for late starts (LS) and late finishes (LF). 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. EF = ES + T e LS = LF – T e Where: T e is the expected time for that activity. Activity ED ES EF LS LF TS 1. Show transcribed image text. Show your work below. EF = ES + duration -1. Draw a resources profile (histogram). Early Finish (EF): Earliest date that the activity can finish. Use the following legend for filling out the AON network: Duration ES LS Activity Total Float Free Float EF LF. It assumes all activities start and finish ASAP, and their following activities start immediately. This calculator will find either the equation of the ellipse from the given parameters or the center, foci, vertices (major vertices), co-vertices (minor vertices), (semi)major axis length, (semi)minor axis length, area, circumference, latera recta, length of the latera recta (focal width), focal parameter. A table with partial solution are included. 2. Sketch the whole network. The total project completion time and the critical path. Calculate the expected duration of each activity. Proper Use the following information and the “beginning-of-day” convention, draw AON diagram. Early Start. Recalculate the expected project completion time. Add the task durations for each activity 3. - critical path will always have "0" slack time. Suppose in Figure 7. Determine the critical path(s) and project completion time. First, from the Gantt Chart view you need to add 4 custom columns for (ES, EF, LS, LF). Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. Here are the activity times: Activity/Time (weeks) A:6weeks B:7. Question: A project is described in the following table, find out: 1-ES, EF, LS, LF, and float of all activities. d) What is the critical path for the project? e) How long do you expect the project to take to complete? We have an Answer from Expert. 2. What is the critical path of the project? 4. by knowing beforehand which nodes will not have to be updated and exploiting this. d. txt and CPM1. Also indicate the critical path on the network. Here are the activity times: There are 4 steps to solve this one. Chương 5 Ch Quản trị dự án. 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. Calculate The ES , EF , LS , FF for each activity , and the overall project duration and mark the critical path . Please calculate the "expected finish time" and "variance" for each activity. Market research has already indicated the volume expected and the size of sales force required. Depends on. If no lag is mentioned, it is zero. (c). Latest start (LS): LF – task time for this task ; Calculate slack times for each task and for the entire project. How to find the critical path Finding the critical path involves looking at the duration of critical and non-critical tasks. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. Free Float = Lowest ES of successors – EF. . (b) Indicate the criticla path. Total slack is the time a job could be postponed without delaying the project schedule. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. Latest Starting time (LS): This is LF – duration of the activity (t)1. Highlight the critical path. 2. Fill out the table for each day that the project is crashed. a. This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Cannot. , ES, EF, LS, LF, slack). 2. Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Show the critical path. Draw the AON. (a) Draw an arrow diagram for the project. Click the card to flip 👆.