6) Construction of a building is based on the following CP network ACTIVITY A B C D E F G PREDECESSOR NORMAL TIME (days) A B,A A B C,D E,F,D 4 8 2 3 5 5 6 NORMAL COST ($) 100 80 40 20 80 100 120 CRASH TIME (days) 2 2 1 2 3 1 2 CRASH COST($) 150 140 60 80 140 160 240 a) Construct the network diagram b) Crash the project by 4 days, showing which activities you would crash and the cost of doing so. c) What is the percentage increase in project costs if the project is crashed by the 4 days

6) Construction of a building is based on the following CP network ACTIVITY A B C D E F G PREDECESSOR NORMAL TIME (days) A B,A A B C,D E,F,D 4 8 2 3 5 5 6 NORMAL COST ($) 100 80 40 20 80 100 120 CRASH TIME (days) 2 2 1 2 3 1 2 CRASH COST($) 150 140 60 80 140 160 240 a) Construct the network diagram b) Crash the project by 4 days, showing which activities you would crash and the cost of doing so. c) What is the percentage increase in project costs if the project is crashed by the 4 days

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Determine the amount of slack in each of a project's activities (presented below), identify the critical path, and identify the expected duration of the project. Activity Duration a (1-2) 4 b(1-3) 9 C (3-4) 5 d(2-4) 2 e(4-5) 3
Activity A (BCDEFGH 4. For the following schedule, draw the node network, perform the CPM calculations, mark the critical path, and complete the table. с Duration 6 2 8 5 3 6 5 2 Q Search U IPA A A, B B D, E C, D F, G ES O EF 0 LS ** LF TF FF 4 1 F*
Al-Musawi H.W (5):- For the project data in Table below, answer the following questions: a) Draw an AON network of the project and Perform forward path and backward path calculations with critical path identification? b) What are the effect of delaying activities C by 1 days, D by 2 days and F by I days? Immediate Activity Duration (week) predecessor 7. A D 12 15 B. C D,E
Assume the following project data given in Table 2. It is required to crash the project duration from its original duration. Assume Indirect (overhead) costs are $120 per day. Draw the network diagram by using AON method Calculate the normal duration and Normal project cost Least-cost and optimum point/durations for the project. Show the relationship between time and cost Graphically. Activity Preceded by Duration (days) Cost (Birr) Normal Crash Normal Crash A - 5 4 500 600 B A 7 5 350 500 C A 8 5 800 920 D A 11 7 1200 1400 E B,C 6 4 600 700 F C 4 4 500 500 G D,F 7 5 700 1000 H E,F 6 5 300 420
ACTIVITY (NODES) IMMEDIATE DURATION (DAYS) A 25 15 A 20 D 20 31 A 17 43 D, E 55 A 25 J 10 K F,I,.G,J 15 FIND: 1. DRAW THE ACTIVITIES USING ARROW NETWORK. 2. CALCULATE AND DRAW THE CRITICAL PATH, EARLIEST START, EARLIEST FINISH, LATEST START, LATEST FINISH, AND ACTIVITY SLACK. 3. TABULATE NODES (ACTIVITIES), DURATION, ES, LS, AND SLACK
Q2) A precedence diagram network is shown below. The To, Tm, Tp durations are shown for each activity. What is the probability (in percent) of completing the project in 7O days? F 15, 20, 25 9, 13, 20 20, 26, 33 H. 2,4,6 5, 6, 7 E G 15, 18, 28 19, 22, 26 10, 17, 26
Q2: For the project shown below, by using (Activity on Node - AON), determine: 1. The duration of project. 2. The critical path. 3. The total Float. ی شاری Activity Duration (weeks) Followed by A 3 D, F Activity E.S D F L.S T.F LF B S E O 7 2 E 10 K F 8 M, K 11 M 10 M K 7 L M 13 N, O N 4 T MARE 8 0 O 7 1
The delay time in starting or finishing an activity without affecting on the total duration of a project is known as: * Interfering float Duration O Free float O Total float
الاجابة عن السؤالين )50 درجة لكل سؤال Q1) For the activities listed in the table below,draw A-O-A network, mark the critical path and determine the projects' total duration. Tabulate all activities times and floats (ES,EF,LS,LF,TF and FF)? Activity Following activities Duration A BCD GEFL I | MK EELI} M KK K : 333 21 C.D 4356 1 Add file
Q7) The following activity list represents the job logic and the durations of activities for a market survey project. Draw a time-scaled network for the project, determine project time and calculate the activities float times. Activity ABCDEFG D E F G Duration 2 2469573 IPA A B B, C D, E, F
a big western city is requesting federal funding for a park-and-ride project. One of the requirements in the request application is a network plan for the design phase of the project. Yousif Walker, the chief engineer, wants you to develop a project network plan to meet this requirement. He has gathered the activity time estimates and their dependencies shown here. Draw your project network by AOA method with T box, computing the activity early, late, and slack times. Mark the critical path. Using this legend: Legend of AOA Slack ES LF LS EF ID Time Predecessor None A 5 Description Survey Soil report Traffic design B A 20 C A 30 D A 5 Lot layout Approve design E B, C, D 80+N F illumination E 15 G Drainage E 30 H Landscape E 25 I Signing E 20 J Bid proposal F, G, H, I 10 *N= student's number. N=30
3. For the following seven-activity project, develop a precedence network, calculate all relevant characteristics of each activity (ES, EF, LS, LF, TF), and the project duration. Then go through a repetitive process to expedite the project on a least-cost basis until the project is crashed. The solution should include the precedence diagram and calculations for each activity, and then the cyclical calculation to shorten the project activity by activity in a least-cost manner. What is the total cost of the crashed project? Why is this less than the sum of the crashed costs for the seven activities? Please use Table A (Table A-2.pdf Please provide a detailed answer to this question.