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EXERCISE 7 CPCM NETWORK CONSTRUCTION Shown on the following pos are the activities you would expect to complete in the development of project schedule. The activities are shown on page 2 and 3. The relationships between the activities we shows on page. The relationships are finish-to-cart is other words, Activity B can start until the preceding Activity is complete Yours is to create PDM network diagram using the activities and their relationships. Do not empt to calculate dales or flakyet. This will be done in Frise 7.2. Jest draw the network diagram. Use as a worksheet Use the following in to complete the diagram B NOTE: When the Network Lege per 627-7-17 states that activities may proceed rely, they should be structured Bike Activities and above CHUMPHREYS A ASSOCIATES, INC Page of 5 ACTIVITY LIST ACTIVITY DESCRIPTION Defenprogram scoop Develop detailed projects, including a master list of B Dewmasterschel Domine appropriatelor schedule detail D 1 Des philiments to individual network G Develop a schedule og H 1 1 K Aires toutes Preliminary demolactivity Times Determine pensary Latimes. Review activity duration based on valeres Calculary and dates by pressing the network with en rond determ Check witty and efficiency of resource profiles Compare calculated dates for miles with required dates Revise detailed logic and duties if necessary to support required maderchedule dates Rewre level the schedule M 0 P Review the network for inclusion of all activities R Revisthetwork eary S Review activity reply assigment CUMPREYS & ASSOCIATES, INC. P25 7-7-15 ACTIMTY LIST Contime ACTIVITY DESCRIPTION Reisetility imenses Review network logie Revise el logis secessary Final review of rescue profile V Revise resource plan as necessary Apreschedule baseline HUMPHREYS & ASSOCIATES, INC Page 3 of -7-16 NETWORK LOGIC 2 3. 4 3 Activity initiates the project Activity A precedes activities and which may proceed concurrently Activity proces activity 1). Activity prodes activity Activity precedente Activity precedes activity and Activity precedes Activity Activy prevederctivities and I, which may pred concert Activities and procede activity Activities and prevede cuvy Activy precedes activities Mand N, which may concerned Activities Maand both precede activity Activy precedes activity P Activy predes activities and W, which may procedurendy Activity precedes activity R. 2. 10 11 12. 13. 11 15 Activity precedes activities and U, which may proceed concurrently Activity w precedes activity X Activity proces activity Activity precedes activity v Activities T. Vand X procede activity Y. 18 19 Activity Y completes the project NOTE: All relationships are finish-to-tart. CHRIMPHREYS & ASSOCIATES, INC. Page's KXERCISE 7-2 DATE, FLOAT AND CRITICAL PATH CALCULATION thing to work developed in Exercise T-l, the activity duration provided on the next page, and the Sammls find the end of this serie 1 Calculate the Early Start(ES) and Early Fish (EF) for each activity by making a Parvard us through the network. Use Day numbers only and set with Day. For camp, Activity A will start on hy and finish on Day 2. Do not consider weekend and his 2 Calculate the Late Shorts and Lake Fish (LF) Gorcach activity by making a Mabward Pus through the network starting with the last activity and working luckwards the Barly his for the last tivity as the La Finish (LF) for that activity 3 Cake Teal Float(IF) and Free Fal (FF) for the activities, if any 4. There is a sample network on pe R-8-20.3. Rocred your swers as the answer sheet provided for this exercise. More the critical path on the network dine and the critical cavities as the answer sheet EARLY START EARLY FINISH DURATION ACTIMITY LATE START LATE TW5H NOTE : Wat is your network are proceeding currently are those activities was Activities and C-will have the nearly starter NOTE 2: Kramples of these cakties may be found on R-8-13-4-55 & 56 CHLIMPHREYS & ASSOCIATES INC. Page 1 of 1 7-19 ACTIVITIES DURATIONS IN DAYS ACTIVITIES DURATIONS c D M T CHUMPHREYS A ASSOCIATES, INC DATE AND FLOAT CALCULATION FARLY START EARLY FINESTI LATE START LATE FININ TOTAL FLOAT FREE FLOAT ACTIVITY 1 B D 1 F G 1 1 K HUMPHREYS & ASSOCIATES, INC. Page 3 of 4 7-7-21 DATE AND FLOALCALCULATION EARLY STARI EARLY FINISH LATE START LATE FINISH TOTAL PER PLAT PLAAT ACTIVITY N P 0 R S U V w X Y CHRIMPSEYS & ASSOCIATES, INC Page 44 New Scheduling Calculation Critical Path The contigos path of activities having the longest total duration and detining the minimum duration of the gram ar project Forwands-Early Des For Bach Activity Early Start()+Duration - 1 -Farly Finish (CF) EF +1 O Next Activity Lawly Finish (LEF)+ - For Converging Paths + Backwarel (Reverse) Pass - For Each Activity Late Sur (LS)-Lale Finish (LF) - Duration+I Late Finish - IS (Following Activity - 1 Late Finish Barliest Lane Star Following Activity) - 1 For Converging Paths Tecal Float (Slack) - Amount of time an activity can be delayed or expanded before it impacts the finish date + Total Flos-Late Finish - Early Finish For An Activity Free Flow Amount of time an activity can be delayed or expanded before it impacts the nest activity - Free Float - Early Finish of an activity wired from the Early Start of the next activity mins 1. SCHEDULE PLA The schedule time for forward bly, early finish), reverse start late critical packare the completed Pipe 100 A formar pardugh the work diagram determine the early start and find . Tonale oralar is the amount of time it may be delayed from Free slot wis the motivity can be delayed without de immedy following Knowing the critical with helps you make hele tideos TO TE- TE- L5 A F TI 12 TE-6 TE TH-6 B D G 10 17 TE E 12 TF Total Float Figure 10d-POM Critical Path Determination NETWORK SCHEDULING CALCULATIONS Critical Path - The contigos path of activities having the longest couldne ad de minimum duration of the program of project Forward Pass - Early Dules for Each Activity Early Sun (ES) - Duration - 1 Early Fish (EF) EF + 1-ES of Next Activity Latest Early Finish (LEF) + 1 - ES for Converging the e 6-9 shows the PDM network with these on their path. If Activity Buses 3 weeks of values, using the activity format shown in slack, none will be left for either path Figure 6-4. The values of ES, EF, LS, and LF in Figure 6-9 represent the beginning of the The above example assumes that progress unit of worktime, in this case a week, ES ing from one activity to the next requires for Activity A is the beginning of week 1. ro time, which in most projects is unreal while EF is the beginning of week 6. (The istic. The concept of lag time can be used to beginning of week 6 corresponds to the end incorporate the time required to transition of week 3.) The earliest and latest finish from one activity to another, such as ma- dates for this project. Activity I, is the begin-chine set-up time or movement of material, ming of week is, or the end of week 17. Using parts, or components from one site to an she formula for slack, other. Lagtime can be shown on the net work and must be accounted for in deter- Slack-IS-ES-LF-EF. mining critical path and values of ES, EF, LS and LF. Figure 6-10 shows that in moving we see that on path B-D-G-I activities from Activity D to Activity G, there will be a D, and each have a slack of 3 weeks. This lag of 1 week. The figure also shows the slack is not additive, if Activity D starts at effect of this lag time on the earliest and week 9 vice week, then Activity Ghasonly latest start times and on finish times. The 2 weeks of slack remaining We also see that resulting slack for Activities Dand is now Activities S, E, and have 3 weeks of slack 2 weeks. This example shows that the PDM A C 2 4 2 2 D AA 2 E H Figure 6-8. PDM Example -9.55 15 13 15 10 R 11 TH 12 2 2 19 > H 11 18 Figure 6-9. POM Example Early and Late Start and Finish Times - c 15 1 LADET 2 12 13 15 Lord 16 12 TE 5 15 E H Figure 6-10. POM Example with Lag Time FOOTNOTES Nee The brings to the CPM were intre 7,1 des Explorador 48 R-9.56 EXERCISE 7 CPCM NETWORK CONSTRUCTION Shown on the following pos are the activities you would expect to complete in the development of project schedule. The activities are shown on page 2 and 3. The relationships between the activities we shows on page. The relationships are finish-to-cart is other words, Activity B can start until the preceding Activity is complete Yours is to create PDM network diagram using the activities and their relationships. Do not empt to calculate dales or flakyet. This will be done in Frise 7.2. Jest draw the network diagram. Use as a worksheet Use the following in to complete the diagram B NOTE: When the Network Lege per 627-7-17 states that activities may proceed rely, they should be structured Bike Activities and above CHUMPHREYS A ASSOCIATES, INC Page of 5 ACTIVITY LIST ACTIVITY DESCRIPTION Defenprogram scoop Develop detailed projects, including a master list of B Dewmasterschel Domine appropriatelor schedule detail D 1 Des philiments to individual network G Develop a schedule og H 1 1 K Aires toutes Preliminary demolactivity Times Determine pensary Latimes. Review activity duration based on valeres Calculary and dates by pressing the network with en rond determ Check witty and efficiency of resource profiles Compare calculated dates for miles with required dates Revise detailed logic and duties if necessary to support required maderchedule dates Rewre level the schedule M 0 P Review the network for inclusion of all activities R Revisthetwork eary S Review activity reply assigment CUMPREYS & ASSOCIATES, INC. P25 7-7-15 ACTIMTY LIST Contime ACTIVITY DESCRIPTION Reisetility imenses Review network logie Revise el logis secessary Final review of rescue profile V Revise resource plan as necessary Apreschedule baseline HUMPHREYS & ASSOCIATES, INC Page 3 of -7-16 NETWORK LOGIC 2 3. 4 3 Activity initiates the project Activity A precedes activities and which may proceed concurrently Activity proces activity 1). Activity prodes activity Activity precedente Activity precedes activity and Activity precedes Activity Activy prevederctivities and I, which may pred concert Activities and procede activity Activities and prevede cuvy Activy precedes activities Mand N, which may concerned Activities Maand both precede activity Activy precedes activity P Activy predes activities and W, which may procedurendy Activity precedes activity R. 2. 10 11 12. 13. 11 15 Activity precedes activities and U, which may proceed concurrently Activity w precedes activity X Activity proces activity Activity precedes activity v Activities T. Vand X procede activity Y. 18 19 Activity Y completes the project NOTE: All relationships are finish-to-tart. CHRIMPHREYS & ASSOCIATES, INC. Page's KXERCISE 7-2 DATE, FLOAT AND CRITICAL PATH CALCULATION thing to work developed in Exercise T-l, the activity duration provided on the next page, and the Sammls find the end of this serie 1 Calculate the Early Start(ES) and Early Fish (EF) for each activity by making a Parvard us through the network. Use Day numbers only and set with Day. For camp, Activity A will start on hy and finish on Day 2. Do not consider weekend and his 2 Calculate the Late Shorts and Lake Fish (LF) Gorcach activity by making a Mabward Pus through the network starting with the last activity and working luckwards the Barly his for the last tivity as the La Finish (LF) for that activity 3 Cake Teal Float(IF) and Free Fal (FF) for the activities, if any 4. There is a sample network on pe R-8-20.3. Rocred your swers as the answer sheet provided for this exercise. More the critical path on the network dine and the critical cavities as the answer sheet EARLY START EARLY FINISH DURATION ACTIMITY LATE START LATE TW5H NOTE : Wat is your network are proceeding currently are those activities was Activities and C-will have the nearly starter NOTE 2: Kramples of these cakties may be found on R-8-13-4-55 & 56 CHLIMPHREYS & ASSOCIATES INC. Page 1 of 1 7-19 ACTIVITIES DURATIONS IN DAYS ACTIVITIES DURATIONS c D M T CHUMPHREYS A ASSOCIATES, INC DATE AND FLOAT CALCULATION FARLY START EARLY FINESTI LATE START LATE FININ TOTAL FLOAT FREE FLOAT ACTIVITY 1 B D 1 F G 1 1 K HUMPHREYS & ASSOCIATES, INC. Page 3 of 4 7-7-21 DATE AND FLOALCALCULATION EARLY STARI EARLY FINISH LATE START LATE FINISH TOTAL PER PLAT PLAAT ACTIVITY N P 0 R S U V w X Y CHRIMPSEYS & ASSOCIATES, INC Page 44 New Scheduling Calculation Critical Path The contigos path of activities having the longest total duration and detining the minimum duration of the gram ar project Forwands-Early Des For Bach Activity Early Start()+Duration - 1 -Farly Finish (CF) EF +1 O Next Activity Lawly Finish (LEF)+ - For Converging Paths + Backwarel (Reverse) Pass - For Each Activity Late Sur (LS)-Lale Finish (LF) - Duration+I Late Finish - IS (Following Activity - 1 Late Finish Barliest Lane Star Following Activity) - 1 For Converging Paths Tecal Float (Slack) - Amount of time an activity can be delayed or expanded before it impacts the finish date + Total Flos-Late Finish - Early Finish For An Activity Free Flow Amount of time an activity can be delayed or expanded before it impacts the nest activity - Free Float - Early Finish of an activity wired from the Early Start of the next activity mins 1. SCHEDULE PLA The schedule time for forward bly, early finish), reverse start late critical packare the completed Pipe 100 A formar pardugh the work diagram determine the early start and find . Tonale oralar is the amount of time it may be delayed from Free slot wis the motivity can be delayed without de immedy following Knowing the critical with helps you make hele tideos TO TE- TE- L5 A F TI 12 TE-6 TE TH-6 B D G 10 17 TE E 12 TF Total Float Figure 10d-POM Critical Path Determination NETWORK SCHEDULING CALCULATIONS Critical Path - The contigos path of activities having the longest couldne ad de minimum duration of the program of project Forward Pass - Early Dules for Each Activity Early Sun (ES) - Duration - 1 Early Fish (EF) EF + 1-ES of Next Activity Latest Early Finish (LEF) + 1 - ES for Converging the e 6-9 shows the PDM network with these on their path. If Activity Buses 3 weeks of values, using the activity format shown in slack, none will be left for either path Figure 6-4. The values of ES, EF, LS, and LF in Figure 6-9 represent the beginning of the The above example assumes that progress unit of worktime, in this case a week, ES ing from one activity to the next requires for Activity A is the beginning of week 1. ro time, which in most projects is unreal while EF is the beginning of week 6. (The istic. The concept of lag time can be used to beginning of week 6 corresponds to the end incorporate the time required to transition of week 3.) The earliest and latest finish from one activity to another, such as ma- dates for this project. Activity I, is the begin-chine set-up time or movement of material, ming of week is, or the end of week 17. Using parts, or components from one site to an she formula for slack, other. Lagtime can be shown on the net work and must be accounted for in deter- Slack-IS-ES-LF-EF. mining critical path and values of ES, EF, LS and LF. Figure 6-10 shows that in moving we see that on path B-D-G-I activities from Activity D to Activity G, there will be a D, and each have a slack of 3 weeks. This lag of 1 week. The figure also shows the slack is not additive, if Activity D starts at effect of this lag time on the earliest and week 9 vice week, then Activity Ghasonly latest start times and on finish times. The 2 weeks of slack remaining We also see that resulting slack for Activities Dand is now Activities S, E, and have 3 weeks of slack 2 weeks. This example shows that the PDM A C 2 4 2 2 D AA 2 E H Figure 6-8. PDM Example -9.55 15 13 15 10 R 11 TH 12 2 2 19 > H 11 18 Figure 6-9. POM Example Early and Late Start and Finish Times - c 15 1 LADET 2 12 13 15 Lord 16 12 TE 5 15 E H Figure 6-10. POM Example with Lag Time FOOTNOTES Nee The brings to the CPM were intre 7,1 des Explorador 48 R-9.56