Keck NGAO Proposal Management Overview Presenter P Wizinowich
- Slides: 16
Keck NGAO Proposal: Management Overview Presenter: P. Wizinowich SSC Meeting June 21, 2006 1
Presentation Sequence • Development Process • NGAO Project • Schedule, WBS, Budget • System Design Phase • Deliverables, Plan, Schedule, Budget • Management status & next steps 2
WMKO Development Process We are here Next step 3
NGAO Project: Milestones Year Month Milestone 06 July System design phase starts 07 June 1 st major funding secured 07 Sept System Design Review 08 Dec Preliminary Design Review 10 Mar Detailed Design Review 12 Mar AO & LGS facility pre-ship reviews 12 Dec NGS 1 st light 13 Jun LGS 1 st light 13 Dec Shared-risk science begins This is only a first-cut timeline 4
NGAO Project: Top-level WBS 5 PW
NGAO Project: AO Budget AO Cost Estimate = $35 M $10 M • Estimation approach 1: Comparison to other systems • Gemini-S MCAO - $18 M in 03 dollars. • • Gemini-S GPI - $19 M + $6 M reserve • • Add $15 M for LGS & subtract $5 M for instrument $35 M TMT NFIRAOS - $25 for AO & $24 M for LGS • • Add $7 M for 2 additional lasers + 4% inflation $29 M Subtract $10 M for simpler system $39 M Estimation approach 2: Bottoms-up cost estimate Estimation methods agree 6
NGAO Project: Instrument Budget • Cost Estimate = $20 M $4 M for 1 st three instruments Instrument ROM Cost Anchor Near-IR Imager $3 M G-S NIR imager ~ $3. 5 M + 1 vs 4 H 2 -RG Visible Imager $3 M LRIS-R upgrade ~ $1. 5 M; camera/filters $1 M; SW $0. 5 M Deployable NIR IFU $14 M TMT IRMOS ~$42 M for 10 IFU + AO; ~$1. 6 M/IFU for 6 Near-IR IFU $7 M OSIRIS ~$5. 5 M + new detector Visible IFU $4. 5 M OSIRIS without full cryo, 4 x 4 K deep depletion CCD, slicer Thermal NIR Imager $3 M Similar to NIR, smaller but more expensive detector 7
System Design: Objectives • • Establish design approach that meets the scientific & user requirements Establish discipline integrated engineering plan for the proposed design • • Understand technical risks, trade-offs, performance estimates, cost to completion Key deliverables • • Systems Requirements Document System Design Manual Systems Engineering Management Plan Systems Design Report 8
System Design: Project Schedule Plan based on delivery of 4 key documents Plan includes schedule & person-hours 9
System Design: Project Schedule System requirements need science team effort • Budget includes 3 graduate students & 1 postdoc 10
System Design: Project Schedule System design will utilize expertise & resources at CIT, UC & WMKO 11
System Design: Project Schedule System Engineering Management Plan 12
SD: Risk Assessment & Management • Detailed risk assessment spreadsheet produced • • ~40 items identified during initial point design development Severity & probability of each item indicated along with risk mitigation plan During system design each risk area will be further addressed as either part of the planned trade studies &/or as part of risk assessment Risk management process includes balancing scientific & technical performance, cost & schedule 13
System Design: Budget Cost Estimate = $980 k • Basis: • • • 12400 hrs or 6. 4 FTE eng/scientist * $120 k/yr = $770 k 5500 hrs for 3 grad students + postdoc = $150 k $40 k for travel + $20 k for procurements • Only 3% of total NGAO budget system design phase budget may be low • Believe we have properly identified path forward & have a clear idea of how to proceed A more detailed estimate will be prepared as individuals identified & next level of detail added to plan • 14
Management Status • • • Observatory Directors plan to define the NGAO management structure More detailed NGAO system design phase planning awaits management structure resolution NGAO ready to become a real project 15
NGAO Project: Next Steps NGAO is ready to become a real project: • Ready to begin system design phase • The project needs the following key personnel: • • • NGAO Project Scientist & science team lead development & iteration of science requirements • • • Principal Investigator Project Scientist + Science Team Project Manager Systems Engineer Volunteer model unsustainable Need to take advantage of expertise & resources at CIT, UC & WMKO in system design Form NGAO Science Advisory Committee to provide high level science guidance 16
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