a) Develop a network diagram for the project. Identify the critical path. b) If the company would like to reduce the project completion time, suggest what action it should take? c) Draw a Gantt chart for the project based on Early Start (ES) time.
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- 1.The chief engineer of firm XYZ is responsible for supervising the construction work of a road. He has identified the activities and their durations for each stage of operation. Activity Duration (days) Preceding activities A 5 - B 10 - C 1 - D 8 B E 10 B F 9 B G 3 A,D H 7 A,D I 4 F J 3 F K 5 C,J L 8 H,E,I,K M 4 CJ Draw a network diagram (AOA) for this road construction project. Which are the critical activities? How long the project will take?(2) Cables By Us is bringing a new product on line to be manufactured in their current facility in existing space. The owners have identified 11 activities and their precedence relationships. (a) Draw the network diagram of this project (b) Calculate the project completion time (c) Identify the critical path Immediate Duration Activity Description Predecessar (weeks) A Develop product specifications Designmanufacturing process Source & purchase materials D None 4 B 3 Source & purchase tooling & equipment Receive &install tooling & equipment F 6 E D 14 Receive materials G Filot production run H E&F 2 Evaluate product design Evaluate process performance Wite documentation report Transition to manufacturing G 2 G J H&I 4 K J 2 AAB01) The utility data for a network are given below: Activity Duration (Days) 0-1 2 1-2 8. 1 - 3 10 2-4 6. 2 -5 3 3-4 3 3 -6 4 -7 5-7 2 6 -7 8. REQUIRED:- I. Draw a Network II. Calculate Earliest Start Time, Earliest Finish Time, Latest Start Time and Latest Finish Time for all activities. III. Find the critical path and project duration. IV. Tabulate Total Float, Free Float and Independent Float.
- 21. The following table provides the information necessary to construct a project network and project crash data: Activity (i, j) Activity Predecessor Activity Time (weeks) Normal Crash Activity Cost Normal Crash a (1,2) --- 16 8 $2000 $4400 b (1,3) --- 14 9 1000 1800 c (2,4) a 8 6 500 700 d (2,5) a 5 4 600 1300 e (3,5) b 4 2 1500 3000 f (3,6) b 6 4 800 1600 g (4,6) c 10 7 3000 4500 h (5,6) d, e 15 10 5000 8000 a. Construct the project network b. Manually crash the network to 28 weeks Note:- Do not provide handwritten solution. Maintain accuracy and quality in your answer. Take care of plagiarism. Answer completely. You will get up vote for sure.01) The utility data for a network are given below: Activity Duration (Days) 0-1 1-2 1 -3 10 2-4 6. 2 -5 3 3-4 3-6 4-7 5 5-7 6-7 8. REQUIRED:- I. Draw a Network II. Calculate Earliest Start Time, Earliest Finish Time, Latest Start Time and Latest Finish Time for all activities. II. Find the critical path and project duration. IV. Tabulate Total Float, Free Float and Independent Float. 7,Q1 ) Scenarios of a project activities (tables given below) and their required times to be completed in addition to their predecessors for developing a ‘Website’: Activity Description Duration (weeks) Preceding Activities A Determine user needs 8 -- B Review s/w and languages 4 -- C Purchase software 10 -- D Design format and style 10 B E Write programs 6 A F Review outcome product with user 12 C G Make revisions 4 C H Select server site 8 E I Install on server 14 D,F J Test 8 G,H,I Draw the path. Calculate the early finishing time (forwards calculations) Highlight the total time to complete the project (days) Calculate the late finishing time (backwards calculations) Calculate the slack time of the non-critical path activities Identify the critical path (highlight critical path activities) what would happen if activity D revised to take 14 instead of 10 days?
- 4. Sunway University is considering building a new multipurpose athletic complex on campus. The complex would provide a new gymnasium for intercollegiate basketball games, expanded office space, classrooms, and intramural facilities. The following activities would have to be undertaken before construction can begin: Description Activity A B C D E F G H Survey building site Develop initial design Obtain board approval Select architect Establish budget Finalize design Obtain financing Hire contractor Immediate Predecessors a. Draw a project network. b. Identify the critical path. c. Develop the activity schedule for the project. A,B C C D,E E F.G Time (weeks) 7 9 13 5 7 15 11 75. Preceding activity Activity Optimistic Most Pessimistic Likely A. 3 8 В A 1 3 5 A 11 D 4 3 4 В, С В, D E 3 5 4 F 5 2 2 E, F 3 12 a. Draw an AON diagram based on the activities and their relationships given in the table. b. Determine the expected time estimates for all the activities. c. Find the earliest start time (ES), earliest finish time (EF), latest start time (LS), latest finish time (LF), and Slack time for each activity of the project. d. Determine the total variance of the critical path. What is probability that project is completed within 28 weeks? е.1. Using Microsoft Excel TM prepare a Gantt Chart for the following project. Activity Predecessor(s) Duration (Days) 1. Forming the problem statement 2. Identifying functional requirements 3. Identifying constraints and limitations 4. Defining a schedule 5. Defining the design parameters 6. Identifying alternatives 7. Evaluating and analyzing alternatives 8. Select a solution 9. Gather supplies 10. Construct prototype 11. Test performance 12. 1 1 1 1 1 2,3 1 2 1 2 7 1 8 4 10 1 Redesign 13. 11 2 Demonstrate solution to 12 1 class 5 CO
- Activity b Immediate a m Predecessor (days) A 1 3 B 0.5 1 1.5 A C 4 6 8 A D 5 7 B E 1 3 F 12 D G 7 10 13 С, F H 1 3 C I 2 4 H J 1 2 3 E, G, I K 0.5 1 1.5 H 1. Compute the most probable or mean time, t. Indicate your answers in the table above. 2. Construct the Network Diagram. Determine the Early Start and Early Finish of each of the activities. Determine the total duration of the project. Total Duration of the Project =15. For the network shown: Crash Cost/week - (CC-NC)/(NT-CT) TOTAL COST-$44,000 Crash D-$1,000 Crash G-$2,000 Crash A-$3,000 0 0 ATS) Activity A B 54 C D E F 45 45 B(10) C(8) 1514 15 10 13 12 14 Normal Time 5 8 6 7 14 15 15 D(6) 21 20 19 21 a. Determine the critical path and the early completion time in weeks for the project. b. For the data shown, reduce the project completion time by three weeks. Assume a lin- ear cost per week shortened, and show, step by step, how you arrived at your schedule. 20 19 E(7) 14 13 17 F(4) 17 21 Normal Cost $7,000 12,000 5,000 4,000 3,000 6,000 7,000 21 20 21 25 G(4) 25 Crash Time 3 7 7 24 23 22 A 2 B3 C1 D1 E1 5 6 F1 3 G1 Crash Cost $13,000 18,000 7,000 5,000 6,000 7,000 9,000 A $3,000 B $2,000 C $2,000 D $1,000 E $3,000 F $1,000 G $2,000Activity Predecessor Activities Normal Crashed Duration (Days) Cost ($) Duration Cost ($) KA - 5 2000 3 5600 LB - 7 3000 4 7800 MC A 10 4000 7 6100 ND AB 11 5000 8 8000 PE B 6 2400 4 3600 RF C 8 3000 6 5100 QG C,D,E 4 4200 1 3000 SH E,G 5 5500 3 2500 What is the ES for Activity G and and LS for activity F?