Interfering float. subnet of the CPM network that includes all activities to be done first. Interfering float

 
 subnet of the CPM network that includes all activities to be done firstInterfering float ALL ABOUT CRITICAL PATH METHOD (CPM)…Total Float and Free Float are very different concepts

However, it should be understood that delaying an activity. Study ResourcesActivity Floats Professor Odeh introduces the types of floats in a construction project including; total float, free float, interfering float and independent float. It is the chain of stages formative the least time needed for an. Upate. For example, if you know a task will take six days to complete, but you’ve. Cost Slope of an Activity. Negative float 107. 2 weeks B. 6k points) selected Feb 23, 2022 by Ritikgupta . following activity. Advertisements. It is also equal to the head event slack of the activity Thus interfering float of an activity - TF - EF = (L-E) of the head event of the activity Subcritical Activity : Activity having next higher float than the critical activity is called the subcritical A. It is the part of the total float that remains after free float is deducted. total float =free float + independent float. Identify all potential critical activities on the bar chart. Project managers usually apply schedule adjustments to develop an efficient CPM schedule. Independent Float: It is the minimum excess available time which exists without affecting any of succeeding or preceding activities. It is thus equal to the head event slack. What is the project duration? (3 points) What are the critical activities? (4 points) This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. a) Construct an activity network for the preceedance tables. • Interfering float: the difference between total float and free float. Costs Involved in Project Crashing: Direct, Indirect, Penalty and Total Costs. • Interfering float: the difference between total float and free float. C. all of my videos at my Facebook Page:. It does not affect start of succeeding activity i. See Correct Answer. More simply, the range an activity can move around without affecting the end date of the project. i, iv c. Where, T L j = T he Latest expected time for event j, T E j = The Earliest allowable time for event j. Interfering Float = Total Float – Free Float Independent Float (INDF) Interfering Float is the maximum amount of time an activity can be delayed without delaying the early start of the succeeding activities and without being affected by the allowable delay of any predecessor activity. Journal of the Operational Research Society (2003) 54, 1296-1299. 22. Float “slack,” is the amount of time a project can be delayed before failing to meet a deadline. A critical path is an activity or event that, if delayed, will delay project completion. Therefore, it is important to understand what is float, when it is negative and more importantly what to do when we have a negative float in a program. Langsung saja simak apa itu Float CSS dan bagaimana fungsinya. It only affects concerned activity. F = T E j − T L i − t i j = F F − S i. b) Free float It is defined by assuming that all the activities start as early as possible. (40 points) Activity Duration Activities Immediately Following A 22 DJ B 10 C. What is the Interfering Float of Activity i-j?Total Float: It is the maximum delay possible for an activity without considering any delay in its precedence or succeeding activity. free float. Cost-time solutions focus on reducing (crashing) activities on the critical path to shorten overall duration of the project. 시방서의 종류 및 포함되어야 할 주요사항. which. Interfering float: the difference between total float and free float. Concept: Independent float is the time by which starting of an activity can be delayed without affecting the total float of its proceeding and succeeding activity. B. INTF is defined as the time span in which the completion of an activity may occur and not delay the termination of the project but within which the completion will delay the start of some other following activity . Δl = d sin θ (3. We would like to show you a description here but the site won’t allow us. A federal appeals court panel is likely to narrow the gag order against Donald Trump for his criminal trial in Washington, expressing concerns about its ambiguity and. What is the project duration? (3 points) What are the critical activities? (4 points) This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Develop a (i) bar chart, (ii) an activity-on-arrow (AOA) diagram, and an activity-on- node (AON) for the following project. C. Instead, free float measures days the predecessor may be delayed from its early dates without delaying any of its successors from their respective early dates. Our solutions are written by Chegg experts so you can be assured of the highest quality!Float is the amount of time that a particular work activity can be postponed or delayed before it begins to delay the Project. i, iii b. Q 11. We discuss three types of Floats in this video viz Total Float, Free Float and Independent Float with examples. The Advantages of Float Tube Fishing; Float Tube Fishing: The Tube. (3) Highlight the CPM on the AON networks. Pick the wrong relationship: A. Your name: Your Email: Your Comments: 23. (d) Give a critical path. Consider the following statements associated with critical pat 1. The assignment problem is a special case of transportation problem in which _____. Correct Answer - Option 3 : Independent float Concept:. Total Float. (b) Free float (c) Independent float (d) Interfering float. It is denoted as FF. Once the free float has been used (or if it is zero), the interfering float tells us by how much the activity may be delayed without delaying the project end date - even though it w ill delay. INSE 6230 – Winter 2018 3 Assignment 1 D will be delayed instantly and F will be delayed for the same amount consequently. Defaults to 0. Interfering Float: Maximum amount by which an activity can be delayed without delaying the project but will cause delay to the Early Start of some following activity. This flexibility can be at the project level or the activity level gives different choices. unexpected conditions, can c. all of my videos at my Facebook Page: #totalfloat #freefloat #independentfloat #float #cpm #operationsresearch #resourcemanagement #engineeringmathematics #bca #bcom Interestingly, project float connects to the commitment of the project manager for a specific completion target. (2) Calculate the total float (TF), free float (FF), interfering float (IF) and independent float (IDF) of each activity. Safety Float: Obtained by deducting Late start plus the activity duration from the Late Finish of activity. Interfering float: It is similar to head event slack. 11 Figure Ex. Total Float: The total amount of time that a schedule activity may be delayed from its early start date without delaying the project finish date, or violating a schedule constraint. Draw a time-grid diagram and a man power resource schedule (see Table P10. total float ≥ free float ≥ independent float. If the float is positive and the activity is delayed by a period equal to its total float. However in the Gantt (bar) chart it further indicates the type of float. Question: ine the arrow and circle network diagrams for the following and hence calculate the total float, free float, and interfering project, float for each activity Immediately Following Activities Activity Duration 10 13 8 15 17 15 cfg hik hik 12 20 . is shared between two or more activities. Find Critical Path, Total Float, Free Float, and Interfering Float. (Xii) Free Float The free float of an activity is the amount of time by which the activity can be delayed without interfering with the start of succeed- ing activities. Question: For the arrow network information provided below, without drawing a network diagram, calculate the early start and finish dates, the late start and finish dates, the total float, free float, interfering float, and the independent float. (Kim & Garza, 2003). Understanding Work Dates and Calendar Dates In this module, the difference between working dates and calendar dates is explained and how to chart both in a project plan. Independent Float: It is the minimum excess available time which exists without affecting any of succeeding or preceding activities. (d) Interfering float: Maximum amount by which an activity can be delayed without delaying the project but will cause delay to the early start of some following activity; It is similar to head event slack. 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. PMBOK Guide definitions of Total Float and Free Float. Get complete concept after watching this video. Free Float. The independent float affects only. CTEATE EPS The Organizational Breakdown Structure (OBS) is a hierarchical based structure that represents your organization. (a) Total float. In this case total float of activity E and F are 8. The different types of floatare 1. total float and independent float . Interfering float The diff between the total float and free float Reducing Project Duration Time Is Money: Cost-Time Tradeoffs – Reducing the time of a critical activity usually incurs additional direct costs. 3. Activities that have strict start and end times are considered to be critical. Interfering Float - (Measured in Day) - Interfering Float is the amount of time a scheduled activity can be delayed or extended from its early start date without delaying the project. 3. 5 IN the critical path Method of project planning, free float can be (B) (C) (D) Greater than independent float Greater than total float Less than independent float Equal to total float . Engineering; Civil Engineering; Civil Engineering questions and answers; FS-3 FF-2 B A Start 0 6 8 SS-1 SS-2 E Finish SFS 5 0 с D 2 Given the above network, which of the following best describes Activity E: Activity E has 1 day of total float Activity E has 1 day of interfering float Activity E has 1 day of free float Activity E is on the critical path2. where d is the distance between the slits. Compute the values of ES, EF, LS, LF, FF, and TF for the activities. Interfering Float (IF) = Total Float (TF) - Free Float (FF) The critical path pf the project contains all the activities with Total Float (TF) equal to zero (0). Share. I have two hours to get to school. Identify all potential critical activities on the bar chart. Interfering Float (INTF) Interfering Float is the amount of time a schedule activity can be delayed or extended from its early start date without delaying the project finish date. You can complete the project on time by using the remaining project float. 02. Where, F T is Total Float, F F is Free floatIn construction project, float or slack is the amount of time that a task in a project network can be delayed without causing a delay to: 1. Float or slack is the amount of time that a task in a project network can be delayed without causing a delay to subsequent tasks ("free float") and project completion date ("total float"). Expert Answer. If negative, evaluate as "0". Without the interfering float from the Electrical Rough-In, Framing would have started on Day 15. 17 above, suppose that the. . i)Critical path ii)Float iii)Free float iv)Interfering float v)Hammock activity • Critical path is the path through network with zero floats. b ) succeeding activities. It is the difference between total float and free float. ALL ABOUT CRITICAL PATH METHOD (CPM)…Total Float and Free Float are very different concepts. An interfering person gets involved in other people's lives in an unwanted and annoying way: 2…. In other words, it refers to the amount of free time associated with an activity which can be used before, during or after the performance of this activity. Total Float: The total amount of time that a schedule activity may be delayed from its early start date without delaying the project finish date, or violating a schedule constraint. 19. The book value of the machine at the end of. Calculate the total float, free float, and interfering float 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. 4. Calculate the lag values for the activities: Lag value=. Interfering float. 414 hours ago · Civil Engineering. Complete the network, by adding FF/TF, identify the CP and identify which activities have an interfering float. project completion date (“total float”). The horizontal survival float is the most energy efficient floating position, and is used when the swimmer anticipates being in open water for an extended time ; Vertical Survival Float ;Interfering float is the difference between. オンライン学位 学士号と修士号の詳細を見る; MasterTrack™ 修士号取得に向けて単位を取得 大学証明書 大学院レベルの学習でキャリアアップを目指すPutting the list in order, putting the numbers where the next one fits in orderSoftware Project Management 4th Edition Chapter 6 Activity planningThe calculated values in fields ‘EST’, ‘EFT’, ‘LST’, ‘LFT’, ‘Total Float’, ‘Free Float’, ‘Independent Float’, and ‘Interfering Float’ have been shown in Fig. The free – float affects only. 1) Δ l = d sin θ. It affects only preceding activities. Free float d. This Float does not interfere with the float time available by the Predecessor activity. This answer was edited. e. Free Float Late (FFL) – the ICL Alternative Figure 2 The representation of FFL used in Figure 1 is based on the published work of H. Concepts: Normal Time, Normal Cost, Crash Time, Crash Cost of Activities. interference (float) – Amount the thread will overlap with nut or bolt core. md k answered on October 15, 2022. You have also determined that the three succeeding activities have early starts of 7, 9, 12. Interfering Float: Maximum amount by which an activity can be delayed without delaying the project but will cause delay to the Early Start of some following activity. Thus, if an arrow notation activity A ij of duration d ij is considered joining nodes i and j and T ( E , ij ) and T ( L , ij ) are earliest and latest start node time. Let’s try to change the fragment we edited earlier in the OldTV. 1 3. It is the difference between the latest finish time of the activity in question and the earliest starting time of the following activity or zero, whichever is larger. zero. critical float. 1 Develop the precedence diagram network for the following project and then calculate the total float, free float, and interfering float for each activity. A machine is purchased for Rs. Hence the correct answer. 709K views 8 years ago Engineer4Free 368K views 8 years ago Project Management:. Total float represents the amount of time an activity can be delayed without delaying the overall project duration and is also called “float” or “slack”. Show transcribed image text. It is the difference between total float and free float. But with the interfering float, Framing is now delayed and can't start until Day 19. The independent float affects only. No. (30 points) Activ Act Duration Preceded By Drill Wel Construct Power Line C Excavate D Deliver Material House Assemble Tank Install Pum Install Pi Foundation Erect Tower and. Intermittent float 106. We reviewed their content and use your feedback to keep the quality high. 3 P 6 E O K A 6 H 0 2 9 M 12 L F 4 N/2 EET LET ES LS Duration EF LF EET LET2. Understanding Work Dates and Calendar Dates In this module, the difference between working dates and calendar dates is explained and how to chart both in a project plan. Free float= EST(succeeding)- EFT(present) Interfering Float:- Part of total float that causes reduction in the total float of successor activity. Civil Engineering questions and answers. Float for the fifth path = 31 – 16 = 15 days. Who are the experts?3. Draw a logic diagram b. Practical Definition: Slack or Float provide flexibility in the project schedule. 2. (Sam) Woodgate 5 . Code: 57826 6 • Hammock activities are activities which have zero duration and to start at the same time as the first hammocked activity. The network in Figure P10. Expert Answer. The early start time for the first activity of any network is day _____. Identify all potential critical activities on the bar chart. total amount of time that activity "i" starting date or finishing date can be delayed without affecting the overall completion time. Civil Engineering. Total Float is the total number of planning units an activity can be delayed without affecting the project completion. Free float, on the other hand, refers to the amount of time a. Total Float of an activity = Late Start of an activity – Early Start of an activity. 3 F4 week D. Projects often have critical activities. Consider the activities shown in table below. The term Float expresses flexibility that helps in such schedule adjustments. 3 Float Calculation – Summary Following Activities Completed Early Late Preceding Activities Completed Early Free Float (FF) Total Float (TF) Late Independent Float (IndF) Safety Float (SF) 43 • Interfering Float (IF) = Total Float (TF) – Free Float (FF)2. Free Float = Lowest ES of successors – EF. Once the free float has been used (or if it is zero), the interfering float tells us by how much the activity may be delayed without delaying the project end date - even though it will delay the. Show the critical paths or potential critical paths on the network diagrams. Show the critical paths on the network diagrams. Float or slack is the amount of time that a task in a project network can be delayed without causing a delay to subsequent tasks ("free float") and project completion date ("total. (b) How much of that total float is interfering float? During scheduling for a project, you determine Activity E to have an early finish of 7 days (EF=7) and the late finish of 9 days (LF=9). Question 7 options: Total float Interfering float Free float Independent float . 2. OCR MEI MwA G: Critical Path Analysis: 12 Total Float, Independent Float & Interfering Float. It is the path with the greatest total. A: Basic concept introduction- Float- Float is associated with the activity times. can affect the float of. FIRST: COPY the original . 6 Critical path moves along the activities having total float as (A) (B) (C)Types of Floats. Total float Interfering float Independent float Free float . FF=EST Of its following activity—its Erl' (Xiii) Interfering Float It is the difference between the total float and the free float. Method 2. (2) Calculate the total float (TF), free float (FF), interfering float (IF) and independent float (IDF) of each activity. F IN = F T - F F = S j. Interfering Float INTF is defined as the time span in which the completion of an activity may occur and not delay the termination of the project but within which the completion will delay the. 2) What are the different categories of reporting?The float is an important element in the project schedule that can be used by contractors to change the start of noncritical activities for resource management purposes, and by owners to. Calculate critical path, project float, early start dates, and late start dates. 1. Professor Odeh introduces the types of floats in a construction project including; total float, free float, interfering float and independent float. 3. Free float is mainly used to. Ans. Interfering float: It is similar to head event slack. c. V. Where, F T is Total Float, F F is Free float2. Professor Odeh introduces the types of floats in a construction project including; total float, free float, interfering float and independent float. Interfering Float: It is that part of the total float which causes a reduction in the floats of the succeeding activities. Calculate the total, free, and interfering float of activity 20 . Reduce activity times along the critical path we must continually check for any new critical path emerging and redirect the. Generally, a floated element should have an explicitly set width (unless it is a replaced element, like an image). 2. 3 From the following network data, determine the critical path, starting and finishing times, and total and free floats. LF ij = ES j – ES i - t ij. (b) Project Crashing Meaning of Project Crashing. Interfering Float: Maximum amount by which an activity can be delayed without delaying the project but will cause delay to the Early Start of some following activity. Interfering float: It is similar to head event slack. Given, expected duration of project = 47 days, variance = 9 days. Project PlanningFree float can never be less than zero. Interfering float. activity. Reviewing the assumptions used. Interfering Float = Total Float – Free Float 5. Perpetual Income 365. apex_offset (float) – Asymmetric thread apex offset from center. Internal float: built-in float between the planned start and completion dates within the program (time contingency). Earliest Start Time (EST) The earliest start time for an activity is the earliest time by which it can commence. Any delay in an activity on this path will delay whole project • Float is the measure of how much the start or completion of an activity may be Interfering Float: (F IN) The maximum amount by which an activity can be delayed without delaying the project but will cause delay to the Early Start of some following activity. Pick the wrong relationship: a) Interfering float = Total float – Free float b) Total float = Free float + Independent float c) Total float ≥ Free float ≥ Independent float d) Free float = Total float – Head event slackThe difference between free float and tail event slack is _____ total float; independent float; interference float; slack; View answer. About;. Free Float = Lowest ES of successors – EF. Show the potential critical activities on the bar chart and critical paths for the AOA and AON networks. In our case, Total Float = (duration of path D-E-H) – (duration of path D-G-H) = 17 – 15 = 2 Days. 10). A critical path is an activity or event that, if delayed, will delay project completion. Free float: It is the amount of time that the activity completion time can be delayed without affecting the earliest start time of the immediate successor activities in the network. It indicates that portion of the float of an activity which cannot be. Sometimes referred to as slack, float helps project managers determine the level of flexibility they have around certain tasks. It is denoted as FF. While calculating floats, for just for our simplifying computations, we can write values of Slack of event j in column wherein we are supposed to write interfering float. The reasonB. project completion date (“total float”). In project scheduling, the free float (slack) of an activity represents the leeway for scheduling the activity without affecting any subsequent activity. In this video, you will learn the basic fundamentals of interfering and free float of an activity on a project. First, let’s calculate the total float by subtracting the duration of the non-critical path from the critical path. independent float [enumerate] types of floats. Activities1-2,2-4,4-5 and 5-6 having zero float are the critical activities and 1-2-4-5-6 is . Interfering float . Float, Free Float, Independent Float and Interfering Float. Now we see how to customize MME effects. Interfering float is given by ({F_{INT}} = {F_T} - {F_F}) = S j; Download Solution PDF. Thus, an independent float can be calculated as under: Independent Float = Total Float – Tail Event Slack. total float and free float . This is naturally equal to the earliest event time associated with the. Updated February 3, 2023 Developing an accurate project schedule and tracking your team's progress is important for ensuring clients and customers receive the finished. Determine if these are differences in float values between the AOA method and the AON method and why. It is the difference between the latest finish time of the activity in question and the earliest starting time of the following activity or zero, whichever is larger. Calculate the total float, free float, and interfering float for each activity. 1. Interfering Float: Maximum amount by which an activity can be delayed without delaying the project but will cause delay to the Early Start of some following activity. F): The total time between an activity’s late finish and the early start of the following activities. Based on the simple finish-to-start relationship, the calculation of INTF can be formulated by Equation (4), in. It does not affect the latest completion of preceding activity. words,Given the following snapshot AON answer the following questions: Total Float for Activity K = Free Float for Activity S = Total Float for Activity Q = Free Float for Activity Q = Interfering Float for Activity Q =2. Interfering float is the time available to delay an activity without delaying the project’s estimated completion time, but delaying an activity into interfering float will delay the start of one or more following non-critical activities. -3 weeks A. B. The independent float of activity Cis 14. It is given by Total float - Free float. It is the difference between total float and free float. delaying the entire project but causing delay to the . If the Build Process C building gets delayed by 45 days (from ES schedule) and Install Process C Plant gets delayed by 30 days (from ES schedule), the critical path now and duration are ____and___. 2 weeks C. This larger type of floater is caused when the vitreous, which normally hugs the retina in the back of the eye, frees itself from the retina. Don’t forget to check out the video. (b) Free float (c) Independent float (d) Interfering float. Independent float does not affect other activities. fx file. Calculate Early Start, Early Finish, Late Start, and Late Finish12 Total Float, Independent Float & Interfering Float. i, ii, iv Soln: Total = 10=Free= Independent; Interfering = 0; 14. Monitoring progress and managing the time model 112. This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. LK G 15 H. Free float and interfering float being positive or negative do not necessarily lead to negative total float. Critical path is the most important sequence of activities which has no float and which determines the project completion period. Four Types. c) Interference float The difference between total float and free float. Calculate the total float, free float, and interfering float for each activity. That means, we can get. 1,50,000/-. ii Declaration I hereby declare that the study which is being presented in this research entitled “The Practice of Time Management in Construction Projects: Case Study of Bole-Lemi Phase IIFOREWORD The use of modern management techniques such as Programme Evaluation and Review Technique (PERT) and Critical Path Method (CPM) have been successfully employed in Various Civ EngineeringTwo types of activity float are i) Free float, ii) Interfering float. (40 points) Activities Immediately Following D, J C, F Activity. Pick up the correct statement from the following: (A) The duration between the earliest start time of the preceding event and latest finish time of the succeeding event, is called 'float' (B) The duration of time by which an activity can be delayed without affecting the succeeding activity, is called free float (C) The difference between total float and free float, is called interfering. duration b. Who are the experts?Also compute the free float (FE1, interfering float f IFE and independent float (IF I for each actin it) in a tabular form fix the AOA and a separate table for AON. The path. total float. Early activity finish. #totalfloat #freefloat #independentfloat #float #cpm #operationsresearch. 00 P Flag question If D is the duration, ES and EF are the earliest start and finish, LS and LF areExtensions of the proposed formula to other floats such as safety float and interference float are also discussed. Interfering float . g. 2. Previous question Next question. Event slack is defined as the difference between the latest event and the earliest event times. interfering Float is the maximum amount of time an activity may be delayed without delaying the entire project but causing a delay to the succeeding activities. Independent Float (INDF) See moreProject management float refers to the amount of time that you can delay a task without impacting other parts of a project's timeline or missing the overall completion. 1 Develop the precedence diagram network for the following project and then calculate the total float, free float, and interfering float for each activity. F = TF - FF. Exhibit 5. It does not affect latest completion of preceding activity. g. The Enterprise Project Structure (EPS) is also a hierarchical based structure that represents. e. 1st lift 20 Dummy 2nd Fix 2nd lift activity 2-3 allocated arrow diagram bar chart Beam Bill of Quantities bricklayers Brickwork calculated Cast Concrete Slab chapter Check Sheets complete computer print-outs contract contractor cost critical activities critical path Critical Path Method day numbers delay Description of Activity drawing Earliest. During PMP® coaching sessions, I observe […] Interfering Float (INTF): The amount of time that a schedule activity can be delayed or extended from its early start date without delaying the project finish date, but delaying an activity into interfering float will delay the start of one or more following non-critical activities. 7. What is interfering float? The maximum amount of time an activity may be delayed without delaying the entire project but causing delay to the succeeding activities. Free & Total Floats are about the time an activity can be delayed , while Project float is the amount of time a Project can be delayed . By definition: Total Float (TF) = the maximum amount of time an activity can be delayed from its early start without delaying the entire project. • INTFi = TFi – FFiWe would like to show you a description here but the site won’t allow us. Independent Float (IndF) The starting point of the forward pass is the _____ activity in the network. 8. Free Float (FF) = the maximum amount of time an activity can. Critical Activity. If any activity on the critical path is delayed, the completion of the project will be delayed by an equal amount. Free float: The time span by which delay can be made without delaying the succeeding activities. This video includes explanation and calculation of interfering float. The critical path is the sequence of critical activities. Interfering float (INTF) Interfering float refers to the length of time you can delay a task without impacting the overall schedule. Independent float is the time by which starting or finishing of an activity can be delayed without affecting the total float of its proceeding and succeeding activity. 3. a traditional CPM calculation, four types of float can be calculated: total float (TF), free float (FF), interfering float (INTF) and independent float (INDF). Fishing float tubes are available from the major online outdoors and fishing retailers and generally cost anywhere from $100 to. Highlight the critical path. Contingency 109. Interfering Float (INTF): The amount of time that a schedule activity can be delayed or extended from its early start date without delaying the project finish date, but delaying an activity into interfering float will delay the start of one or more following non-critical activities. d ) none of the above. That part of the total float which remains after free float has been deducted is the interfering float. . E 3 H B T 5 5 00 - A 4 с 6 K 8 6 3 5 2 2. This time depend on what tasks are involved. Total float is the sum of free float and interfering float. 2. 14 hours ago · Civil Engineering questions and answers. Free float 104. number of origins are less than the number of destinations. (2 points) Buy plants and paint Repair board fence Paint board fence Cleanup sidewalk 1 2 3 3 2. of the total float. ago. Using these formulae the values are calculated and tabulated in the table. Critical path lies along the activities having total. FF=EST Of its following activity—its Erl' (Xiii) Interfering Float It is the difference between the total float and the free float. Answer: Option A. B.