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PERT / CPM network templates

PERT — CubeSat Integration and Test

Assembly, integration and test network for a 6U CubeSat from structure fit-check to launch-provider delivery, with environmental testing and flight software freeze converging on the shipping milestone.

Template previewPERT / CPM network
6U CubeSat — assembly, integration and testTotal duration: 70Structure fit checkA · 5ES 0EF 5LS 0LF 5CRITICALHarness build and continuityB · 8ES 5EF 13LS 5LF 13CRITICALAvionics stack integrationC · 6ES 13EF 19LS 13LF 19CRITICALFlight software freezeD · 15ES 0EF 15LS 4LF 19slack 4Payload alignment and calibrationE · 10ES 19EF 29LS 21LF 31slack 2Functional test campaignF · 12ES 19EF 31LS 19LF 31CRITICALBattery conditioning and capacity testG · 7ES 19EF 26LS 24LF 31slack 5Vibration testingH · 6ES 31EF 37LS 31LF 37CRITICALThermal vacuum campaignI · 14ES 37EF 51LS 37LF 51CRITICALPost-environmental functional testJ · 5ES 51EF 56LS 51LF 56CRITICALDeployment mechanism verificationK · 4ES 56EF 60LS 56LF 60CRITICALMass properties and balanceL · 3ES 56EF 59LS 57LF 60slack 1Flight readiness reviewM · 4ES 60EF 64LS 60LF 64CRITICALDeliver to launch providerN · 6ES 64EF 70LS 64LF 70CRITICALDispenser integrationP

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title "6U CubeSat — assembly, integration and test"
task A "Structure fit check" duration 5
task B "Harness build and continuity" duration 8 after A
task C "Avionics stack integration" duration 6 after B
task D "Flight software freeze" duration 15
task E "Payload alignment and calibration" duration 10 after C
task F "Functional test campaign" duration 12 after C,D
task G "Battery conditioning and capacity test" duration 7 after C
task H "Vibration testing" duration 6 after E,F,G
task I "Thermal vacuum campaign" duration 14 after H
task J "Post-environmental functional test" duration 5 after I
task K "Deployment mechanism verification" duration 4 after J
task L "Mass properties and balance" duration 3 after J
task M "Flight readiness review" duration 4 after K,L
task N "Deliver to launch provider" duration 6 after M
milestone P "Dispenser integration" after N