total float and independent float . 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. jors. Show the critical paths on the network diagrams. It can interfere more with vision than other floaters. Grist Project Management . Develop a (i) bar chart, (ii) an activity-on-arrow (AOA) diagram, and an activity-on- node (AON) for the following project. FIRST: COPY the original . Internal float 108. Interfering float is shared between two or more activities. Free float: The time span by which delay can be made without delaying the succeeding activities. Interfering float O c. 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. FIN = FT - FF = Sj ( Statement 1 is correct) Where, F T is Total. Answer & Solution Discuss in Board Save for Later. Total Float or Float 2. Free Float: The amount of time that a schedule activity can be delayed without delaying the early start date. Using the AOA and AON diagram, (i) identify the critical path, and (ii) calculate the total float, free float, interfering float, and independent float for each activity. Float and contingency 102. Calculate the total float, free float, and interfering float for each activity. delaying the entire project but causing delay to the . 3 weeks A. Freefloat : Portion of the total float within which an activity can be manipulated without affecting the floats of subsequent activities. 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. Between total float, interference float, and independent float, which one of the following is the correct sequence in the decreasing magnitude order? Q. البوست ده عن ٤ انواع لل Float بتظهر فى الجداول الزمنية هنتكلم عليهم. e. Thus, an independent float can be calculated as under: Independent Float = Total Float – Tail Event Slack. 4. 26. Interfering float: It is just another name given to head event slack. 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 . 2601636 Keywords: project management; critical path method; floats; activity network IntroductionQuestion: Consider the following information about a project whose activities are only connected through regular FS relationships (no lags) An Activity A has a total float of 10 days, of which 9 days are interfering float Its only succeeding activity, Activity B, has a total float of 12 days. Interfering float: the difference between the total float and free float. e. Critical activity . Earliest Start Time (EST) The earliest start time for an activity is the earliest time by which it can commence. Generally, a floated element should have an explicitly set width (unless it is a replaced element, like an image). 3 F4 week D. Start calculations with day zero. It is the amount of time an activity can be delayed without impacting other activities or the project end date and changes over the course. identify the activities which can be delayed without affecting the total float of the preceding activity. CTEATE EPS The Organizational Breakdown Structure (OBS) is a hierarchical based structure that represents your organization. activities in the network. free float and independent float . 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. Question: 4. Independent float F I D: It is defined as the amount of time by which an activity can be delayed without affecting the succeeding activity and preceding activity. i)Critical path ii)Float iii)Free float iv)Interfering float v)Hammock activity • Critical path is the path through network with zero floats. Interfering Float: (F IN) 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 the difference between total float and free float. Floats in Projects are of 4 types: Total Float : Obtained by deducting the Early start and the activity duration from the Late finish of the activity. There are 2 steps to solve this one. 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. What is free float? Amount of time a project can be delayed without delaying the early start date of any successor activity. Int. where d is the distance between the slits. 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. Using the same process, we can also calculate the float for other paths. 4. Interfering float refers to the amount of float that affects the project's critical path, while total float represents the total amount of time a task can be delayed without delaying the project. Interfering float is the time available to delay an activity without delaying the project’s estimated completion time, but delaying an activity into. 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. Negative float, also known as negative slack, is the amount of time beyond aproject's. It is the path with the greatest total. Expert Answer. Correct answer: (B) independent float. It does not affect 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. Also, determine (show calculations) the independent float and interfering float for Activity K. Project Float 4. Calculate the total, free, and interfering float of activity 20 What is the project duration? What are the critical activities? Calculate the total, free, and interfering float of activity 20 ? Show transcribed image text. Interfering float; Free float Total flat; Answer :Free float Construction Management MCQ Practice Questions (Civil Eng) Set 2. Find Critical Path, Total Float, Free Float, and Interfering Float. It does not affect the latest completion of preceding activity. Draw the Node Network for the following data. Ans. Calculate the total float, free float, and interfering float for each activity. None of the above. 3 represents a portion of an arrow network. Expert-verified. Based on the simple finish-to-start relationship, the calculation of INTF can be formulated by Equation (4), in. D. • Interfering float: the difference between total float and free float. (c) Calculate the total, independent and interfering float times, for each activity. The independent float affects only. PlanBee reports the total amount of float in its main grid. Thus, independent float can be calculated as under: Independent Float = Total. Who are the experts? Experts have been vetted by Chegg as specialists in this subject. The sequence of critical activities in. Activity float is a measure which calculates the difference between the activity’s earliest start date and the latest start date. Don’t forget to check out the video. Calculate the total, free, and interfering float of activity 20 What is the project duration? What are the critical activities? Calculate the total, frec, and interfering float of activity 202. The Interfering float of activity C is 15. It is the difference between total float and free float. Thus, using the lag values calculate the free and the total float of the network. • Interfering float: the difference between total float and free float. identify the activities which can be delayed without. Float adalah hal yang harus diperhatikan saat membuat penjadwalan proyek konstruksi, karena kalau seorang manajer proyek kehilangan angka float, maka akan berakibat fatal yakni bertambahnya durasi. Total Float. This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Below is a screenshot of a typical programme layout showing Total float and free float. This answer was edited. 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. PROJECT FLOAT. 2. Draw a time-grid diagram and a man power resource schedule (see Table P10. This means that the project cannot be completed by the customer's required end date, and the schedule has a delay. INSE 6230 – Winter 2018 3 Assignment 1 D will be delayed instantly and F will be delayed for the same amount consequently. See Answer See Answer See Answer done loading 25 . How long is the project duration? Successor(s) Duration APTER Act. In this video, you will learn the basic fundamentals of interfering and free float of an activity on a project. Event slack is defined as the difference between the latest event and the earliest event times. Calculate the total, free, and interfering float of activity 20. Total float is the amount of time an activity can be delayed without delaying the project. Start with the critical path, beginning at the last activity’s late finish. critical float interfering float is the amount of time the ES of an activity can be delayed without delaying the _____ but which will delay at least one _____ Interfering float. Thus, the Total Float is 2 days. If the float is positive and the activity is delayed by a period equal to its total float. 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"). O week B. Write this number at the bottom right corner. 1) (3. Successor's LS, Predecessor's LF and duration of the activity. Operating System Structure Float / Slack Total Float : The total time that a schedule activity may be delayed Total Float = ( LFT – EFT ) or ( LST-EST) Free Float : Free Float is the time by which the completion of an activity can be delayed beyond the EFT without affecting the EST of succeeding activity Free Float = EST (succeeding) – EFT. Whereas free and total float are about the time an activity can be delayed, project float is the time of delay based on imposed deadlines. interfering (shared) float d. 4 Independent Float (INDF) The maximum amount of time an activity can be delayed without delaying the early start of the succeeding activities. 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. total float c. Freefloat : Portion of the total float within which an activity can be manipulated without affecting the floats of subsequent activities. 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. interfering float e. 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. Interfering Float (F I T): ∙ It is defined as the difference between the total float and free float of an activity. However, the FM Network can accept no responsibi. Critical Path Net Work helps an engineer:7. Best answer. Float for the fifth path = 31 – 16 = 15 days. Image transcriptionsFinal answer. Answer to For the following table, drow AOA and calculate total- Free Float Late (FFL): The amount of scheduling flexibility available on the activity when every operation is scheduled at its latest possible time. In the Critical Path Method of scheduling, following types of the float can be calculated are total float (TF), free-float (FF), interfering float (INTF), and independent float (INDF). 7. 3. Interfering float is shared between two or more activities. On the arrow network diagram below, compute the early and late event times ( TE and TL) for each node and the four floats (the total float, free float, and interfering float) for each activity. Interfering float 105 Independent float 105 Intermittent float 106 Negative float 107 Terminal float 108 Internal float 108 Contingency 109 Manipulation of float 110 Who owns the float? 111 Monitoring progress and managing the time model 112 Reviewing the assumptions used to produce the schedule 113Political Science. 3. Interfering float (INTF) INTF refers to the time you can delay a task from the date you planned to start it without delaying the project's completion date. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new. c. 1. Get complete concept after watching this video. Although they are calculated for each activity, they serve entirely different purpose. 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. Question: 6. The float that is owned exclusively by one activity. Free float: The delay can be made without delaying succeeding activities. which. Free Float. Here's an example to illustrate the difference between Total Float and Free Float: Suppose you have a project with three tasks: A, B,. Independent Float: It is the minimum excess available time which exists without affecting any of succeeding or preceding activities. (4) Interfering Float: The difference between the total float and free float is called Interfering float. Section – BFree 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. Practical Definition: Slack or Float provide flexibility in the project schedule. Float which can be "used up" without affecting other tasks is known as "Free Float", float which will affect the timing of other tasks is known as "Interfering Float". Question: For questions 3 and 4 , do the following. 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). Langsung saja simak apa itu Float CSS dan bagaimana fungsinya. It does not affect latest completion of preceding activity. It affects only preceding activities. F IN = F T - F F = S j . It affects only preceding activity. PMBOK Guide definitions of Total Float and Free Float. Equations for total float and interfering float remain unchanged. F IN = F T - F F = S j. Calculate the total float, free float, and interfering float for each activity. subnet of the CPM network that includes all activities to be done first. unexpected conditions, cannot O b. Your name: Your Email: Your Comments: 23. b) Free float It is defined by assuming that all the activities start as early as possible. pitch (float) – Length of 360° of thread rotation. Compute the values of ES, EF, LS, LF, FF, and TF for the activities. L. An activity which has free float can more readily be arranged to be performed at different times than one which is subject only to interfering float, as the effect on succeeding activities need not be considered. It is thus equal to the head event slack. 709K views 8 years ago Engineer4Free 368K views 8 years ago Project Management:. Free Float – total float equal to free float + interfering float. Start calculations with day zero. Free float: The delay can be made without delaying succeeding activities. In general, float is the amount of time you can wait to start something and not make it 'late'. Interfering float is shared between two or more activities. (2) Calculate the total float (TF), free float (FF), interfering float (IF) and independent float (IDF) of each activity. This video includes explanation and calculation of interfering float. Total Float is the total number of planning units an activity can be delayed without affecting the project completion. Expert Answer. Update is the process of revising activity data to incorporate actual progress. is shared between two or more activities. Free float= EST(succeeding)- EFT(present) Interfering Float:- Part of total float that causes reduction in the total float of successor activity. Free float 3) Independent float 4) interfering float So, I think option (c) is correct. You have also determined that the three succeeding activities have early starts of 7, 9, 12. Projects often have critical activities. The float may be positive, zero or negative. Concept: 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. To start I have this markup which looks like the left and right stair steps should both st. Float and Free Float is one of the sources to make such adjustments. 0. The amount of time by which the start of the activity may be delayed without interfering with the start of any succeeding activity is called (a) Activity float (b) Free float (c) Total float (d) Interfering float Q17. Show the critical paths or potential critical paths on the network diagrams. i, iv c. The independent float of activity Cis 14. Interfering float n = late finish n – Smallest early start of succeeding activity This video includes explanation and calculation of interfering float. 19. Using the AOA and AON diagram, (i) identify the critical path, and (ii) calculate the total float, free float, interfering float, and independent float for each. Interfering float: Interfering float refers to the delay in starting a task rather than a delay in finishing it. Network 공정표에서의 간섭여유(Dependent Float or Interfering Float) 3. (a) Compute the relevant information and include the information on the figure, and complete the following table: Early Finish Late Finish Free Float Total Float Finish grade Gravel roadway Compact road Set entry gate b) The critical activities are: c). 건설산업에서의 IPD(Integranted Project Delivery) 9. 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 . Determine (show calculations) the independent float and interfering float for Activity H IH N 2 ES EF ET LS Duration LF(2) Calculate the early start time (ES), early finish time (EF), late start time (LS), and late finish time (LF) of each activity and identify the critical path. The float property does not require the application of any other property on a CSS element for float to function correctly, however, float will work more effectively under specific circumstances. 10 represents the activities for constructing a culvert. 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 . The Advantages of Float Tube Fishing; Float Tube Fishing: The Tube. An activity with a float value to be zero is called critical because delay in carrying out the activity will affect the project. Any delay in an activity on the critical path would reduce the amount of total float available on the project. 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. What is the project duration? Activity Duration PIB 5 None 2 3 10 None 3 15 20 4 1 1 25 30 10 15 2 35 2 25 20, 30, 35 40 5Float is the amount of time by which an activity can be delayed or extended. The float the is "shared" with other activities is known as what? Interfering float. This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: 10. But one kind — called a Weiss ring — is larger and ring-shaped. The network diagram for a project is shown below. 1057/palgrave. 3. 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. We discuss three types of Floats in this video viz Total Float, Free Float and Independent Float with examples. and (ii) calculate the total float, free float, interfering float, and independent float for each activity. It affects only preceding activity. Independent float does not affect other activities. Transcribed image text: Draw the bar chart, AOA, and AON network diagrams for the following project. Pharmacy. Don’t forget to check out the video. However, it should be understood that delaying an activity. Calculate the total, free, and interfering float of activity 20 ? Please show work . 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 start of subsequent activities. The free float for the activity (i, j) is the excess available time over its duration. F IN = F T - F F = S j . Question: 0401 437 12. Start calculations with day zero. Days = From Question 3 ) ES = ES of Tail or Tail event of Activity 4 ) EF = ES + Duration 5 ) LF = LF of Head or Head Event of Activity 6 ) LS = LF - Duration 7 ) Total Float = LS – ES OR LF – EF 8 ) Interfering Float = Slack of Head Event or Total Float – Free Float 9 ) Free Float = TF - Interfering Float or TF – Slack of Head Event 10 ) Independent Float = FF. B (one month longer) This task is on the critical path, The difference between the total float and free float is called Interfering float. Reviewing the assumptions used. 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 . Compute the remaining total float, free float, and interfering float values for Activities G. Whereas events have slack, activities posses float. 2. It does not affect start of succeeding activity i. The time by which a particular activity can be delayed without affecting the preceding and succeeding activities is known as a) Total float b) Free float c) Interfering float d) Independent float. This calculation has the same reason. (c) Calculate the total, independent and interfering float times, for each activity. (40 points) Oct 13 2022 06:56 AM. 29K views 10 months ago OPERATIONS RESEARCH. FF FF: Free Float ES EF INTF : Interfering Float TF: Total Float INDF : Independent Float ES: Early Start Activity Name EF: Early Finish Planning School LS: Late Start LF: Late Finish. answered Feb 23, 2022 by Kartikpandey (35. Determine if there are differences in float values between the AOA method and the AON method and why. 4 is the difference between the earliest start date of an activity and its latest start (or the difference between its earliest finish and its latest finish). (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). Learn more. Solve the arrow diagram network shown below. How To Tekno juga akan membagikan beberapa tipe data Float. Free Float 3. A critical path is an activity or event that, if delayed, will delay project completion. PDM was eventually extended to calculate Fondahl's link lag concepts for SS, FF, and SF relationship types. It is the difference between the latest finish time of the activity in. 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. Early activity finish. In other words, going past this allotted time will interfere. The Total Float is the difference between the project completion date and the total duration of critical path activities. Internal float: built-in float between the planned start and completion dates within the program (time contingency). FF=EST Of its following activity—its Erl' (Xiii) Interfering Float It is the difference between the total float and the free float. e. Question: 4. 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. 9. 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. Interfering float. Free Float = Lowest ES of successors – EF. Using these formulae the values are calculated and tabulated in the table. • Interfering float = total float – free float . Free float: The time span by which delay can be made without delaying the succeeding activities. Independent float: It is the minimum excess available time which exists without affecting any of succeeding or preceding activities. Calculate the total, free, and interfering float of activity 20 . Question: FS-3 FF-2 B Start А 6 0 SS-1 SS- E Finish SS-2 SF5 с D Given the above network, which of the following best describes Activity E: Activity E has 1 day of interfering float Activity E has 1 day of free float Activity E is on the critical path Activity E. Using the AOA diagram, (I) identify the critical path. Given For Activity i-j: Total Float 18 d Free Float 7 d 11 Question(s) 1. Interfering Float: (F IN) 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. 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. (40 Points) 14 Ci H, 1 F. Float Calculation Event Oriented Here Activities are shown as i-j, where i is tail event & j is head event e. It is thus equal to the head event slack. Hence, the float for the second path is 13 days. Download Solution PDF. No. 2 weclivity Cis E, 4 week 3 weeks wcks D-3 weeks B. TFi = LSi - ESi TFi = LFi - EFi. here activity is between 1-2 though starting. This is spare time associated with a particular activity. It is the difference between total float and free float. FF = ESDB - EFDA 3. Interfering float iv. free float = total float – head event slack. C. B. It only affects concerned activity. 2. A. 19. By delaying a task, you might impact the start date of another activity that's not crucial to meeting the project deadline, but it's important that this delay doesn't impact critical tasks that can postpone a. Interfering float 105. First, let’s calculate the total float by subtracting the duration of the non-critical path from the critical path. 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. Journal of the Operational Research Society (2003) 54, 1296-1299. 4. In the context of activity-on-arrow (AOA) network representation, textbooks on project management, based on our survey, have for decades been using a popular formula to calculate free floats that may lead to erroneous results in the presence. 6 Critical path moves along the activities having total float as (A) (B) (C)Types of Floats. Identify all potential critical activities on the bar chart. When all the paths are arranged. Float for the fourth path = 31 – 13 = 18 days. Where to Find Real Online Jobs. 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. Activity float. Also compute the free float (FF). The float calculations for the sample schedule are shown in Exhibit 5. Komal Bhandakkar AUTHOR. It only affects concerned activity. Using the AOA and AON diagram, (i) identify the critical path, and (ii) calculate the total float, free float, interfering float, and independent float for. Float sendiri terbagi menjadi beberapa bagian di antaranya adalah total float, free float, interfering float, dan independent float. The amount of time a task can be delayed without pushing a project past its committed deadline is Interfering Float. 3. following activity. Passive House. Project 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 deadline. 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). Early Finish (EF), Late Start (LS), Late Finish (LF) for all activities? C) Find Total Float (TF), Free Float (FF). P. If negative, evaluate as "0". Where, F T is Total Float, F F is Free float2. This is quite commonly used, particularly in association with the free float. The total float shown in Table 6. Step 1: Late finish of last activity on the critical path is same as its early finish. (An activity can have this float only if it has a free float. This is quite commonly used, particularly in association with the free float. Show the potential critical activities on the bar chart and critical paths for the AOA and AON networks. Interfering float. Free Float (FF) = the maximum amount of time an activity can. Final answer. Q 11. Free float for any activity is defined as the difference between. 2 weeks C. Calculate the free float and interfering float for each of the activities shown in the activity network below in Figure 6. Here's an example to illustrate the difference between Total Float and Free Float: Suppose you have a project with three tasks: A, B, and. Interfering float is that part of the total float which causes a reduction in the float of the successor activities. The sequence of critical activities in. Activity Name Task Time (hrs) Preceding Activities A Clear Garden 4 B Measure area 1 C Design Patio 2 B D Purchase fencing 1 B E Buy pots and plants 3 A,CFor an activity with a single predecessor and a single successor, calculating interfering float of an activity requires: Successor's ES, Predecessor's EF, and Activity's TF. All the above. total float. This is quite commonly used, particularly in association with the free float. 2. (2 points) Buy plants and paint Repair board fence Paint board fence Cleanup sidewalk 1 2 3 3 2. 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. About;. 02. FIN = FT - FF = Sj ( Statement 1 is correct) Where, F T is Total. 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. F = T E j − T L i − t i j = F F − S i. 2. Your Comments. Independent float F I D: It is defined as the amount of time by which an activity can be delayed without affecting the succeeding activity and preceding activity.