bailey gauchito project unit5 presentation
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Ansari X Prize Gauchito Rocket Project
Thomas N. Bailey
GM593-01N
August 28, 2012
Overview
• Project Background• Situation at Four Weeks
– EVM Metrics– S-Curve
• Situation at Eight Weeks– Rebaseline Gannt Chart– EVM Metrics– S-Curve
• Conclusion
2
Project Background
• Space Systems Technologies Corporation (SSTC) is subcontracted by Scaled Composites to build a 7/8 scale model of Gauchito rocket
– Earned Value Management (EVM) will be used for project management
– Project duration is 11 weeks
– Work Breakdown Structure (WBS) consists of 15 tasks
3
Situation At First Project Review
• Project baselined with 11 weeks duration and 18 weeks of level of effort
• Budget at Completion (BAC) equals $143,530
4
ID BCWP (PV) TASK Week 1 Week 2 Week 3 Week 4 Week 5 Week 6 Week 7 Week 8 Week 9 Week 10 Week 11 BAC TotalsA 1.0 ASSEMBLE ENGINE MOUNT $5,760 $5,760 $11,520B 2.0 FIN PREPARATION $4,320 $4,320C 3.0 MARK FIN AND LAUNCH LUG LINES $4,320 $4,320D 4.0 INSERTING ENGINE MOUNT $4,320 $4,320 $8,640E 5.0 ATTACH FINS $4,320 $4,320F 6.0 ATTACH SHOCK CORD $4,320 $4,320 $8,640G 7.0 ASSEMBLE NOSE CONE $2,880 $2,880H 8.0 ATTACH PARACHUTE/SHOCK CORD $1,440 $1,440I 9.0 ATTACH LAUNCH LUG $1,440 $1,440J 10.0 PAINTING THE ROCKET $5,760 $5,760K 11.0 APPLICATION OF DECALS $1,440 $1,440L 12.0 APPLYING CLEAR COAT $1,440 $1,440M 13.0 DISPLAY NOZZLE ASSEMBLY $4,320 $4,320N 14.0 ROCKET PREFLIGHT $2,880 $2,880O 15.0 PREPARE FOR TEST LAUNCH $1,440 $1,440
EQUIPMENT $1,025 $0 $0 $0 $0 $0 $0 $0 $0 $0 $0 $1,025MATERIAL $15,685 $2,500 $5,800 $0 $0 $375 $270 $650 $2,125 $300 $50,000 $77,705
$143,530Weekly Total $38,310 $14,020 $10,120 $4,320 $4,320 $1,815 $6,030 $2,090 $7,885 $3,180 $51,440
Cumulative Cost (PV) $38,310 $52,330 $62,450 $66,770 $71,090 $72,905 $78,935 $81,025 $88,910 $92,090 $143,530
EVM Metrics After 4 Weeks
• Earned Value analysis after 4 weeks reported the following:– BCWS = $66,770– ACWP = $68,210– BCWP = $62,450– SV = -$4,320 (project is $4,320 behind schedule)– CV = -$5,760 (project is $5,760 over budget)– SPI = 0.94– CPI = 0.92– EAC = $156,768 (EAC is 9% over BAC)– VAC = -$13,238– ETC = $88,558 (expected cost needed to complete all
remaining work)
• Project is one week behind schedule and over budget– Project EAC is still within acceptable range and not in trouble
5
S-Curve After 4 Weeks
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Situation At Week Eight
• Scaled Composites decided to modify the project’s scope
– Drop the Test Launch Preparation deliverable (task #15)
– Request SSTC to replan the project
– SSTC to present new revamp edbaseline for approval
– SSTC to present EVM metrics of rebaseline project to present time
7
Rebaseline Gannt Chart
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ID TASKS Week 1 Week 2 Week 3 Week 4 Week 5 Week 6 Week 7 Week 8 Week 9 Week 10 Week 11A 1.0 ASSEMBLE ENGINE MOUNTB 2.0 FIN PREPARATIONC 3.0 MARK FIN AND LAUNCH LUG LINESD 4.0 INSERTING ENGINE MOUNTE 5.0 ATTACH FINSF 6.0 ATTACH SHOCK CORDG 7.0 ASSEMBLE NOSE CONEH 8.0 ATTACH PARACHUTE/SHOCK CORDI 9.0 ATTACH LAUNCH LUGJ 10.0 PAINTING THE ROCKETK 11.0 APPLICATION OF DECALSL 12.0 APPLYING CLEAR COATM 13.0 DISPLAY NOZZLE ASSEMBLYN 14.0 ROCKET PREFLIGHT
9
Rebaseline Gannt Chart with Resources
• BACRebaseline = $97,850
ID BCWP (PV) TASK Week 1 Week 2 Week 3 Week 4 Week 5 Week 6 Week 7 Week 8 Week 9 Week 10 Week 11 BAC TotalsA 1.0 ASSEMBLE ENGINE MOUNT $5,760 $5,760 $5,760 $17,280B 2.0 FIN PREPARATION $4,320 $4,320C 3.0 MARK FIN AND LAUNCH LUG LINES $4,320 $4,320D 4.0 INSERTING ENGINE MOUNT $4,320 $4,320 $8,640E 5.0 ATTACH FINS $4,320 $4,320F 6.0 ATTACH SHOCK CORD $4,320 $4,320 $8,640G 7.0 ASSEMBLE NOSE CONE $2,880 $2,880H 8.0 ATTACH PARACHUTE/SHOCK CORD $1,440 $1,440I 9.0 ATTACH LAUNCH LUG $1,440 $1,440J 10.0 PAINTING THE ROCKET $5,760 $5,760K 11.0 APPLICATION OF DECALS $1,440 $1,440L 12.0 APPLYING CLEAR COAT $1,440 $1,440M 13.0 DISPLAY NOZZLE ASSEMBLY $4,320 $4,320N 14.0 ROCKET PREFLIGHT $2,880 $2,880
EQUIPMENT $1,025 $0 $0 $0 $0 $0 $0 $0 $0 $0 $0 $1,025MATERIAL $15,685 $2,500 $0 $5,800 $0 $0 $375 $270 $650 $2,125 $300 $27,705
$97,850Weekly Total $38,310 $14,020 $5,760 $10,120 $4,320 $4,320 $1,815 $6,030 $2,090 $7,885 $3,180
Cumulative Cost (PV) $38,310 $52,330 $58,090 $68,210 $72,530 $76,850 $78,665 $84,695 $86,785 $94,670 $97,850
Rebaseline EVM Metrics After 8 Weeks
• Earned Value analysis after rebaseline and after 8 weeks reported the following:– BCWS = $84,695– ACWP = $84,695– BCWP = $84,695– SV = $0 (project on schedule)– CV = $0 (project is on budget)– SPI = 1.0– CPI = 1.0– EAC = $97,850 (EAC equals to BAC)– VAC = $0– ETC = $13,155 (expected cost needed to complete all
remaining work)
• Project is on schedule and on cost (doing very well)10
Rebaseline S-Curve
11
Conclusion
• At direction from Scaled Composites, project duration remains at 11 weeks– Last deliverable was removed– Project was rebaselined
• EVM after 8 weeks reports project is on schedule and on cost and is doing very well
12
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