Transcript Document

Southern African Large Telescope
Prime Focus Imaging Spectrograph
Management, Schedule, & Budget
Jeffrey W Percival
Kenneth H Nordsieck
University of Wisconsin - Madison
Oct 17, 2001
SALT PFIS Preliminary Design Review
Management, Schedule, & Budget
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PFIS Organization Chart
PFIS Organizational Chart
All team members in place
PFIS PI:
• Director of Space Astronomy Laboratory
• Professor of Astronomy
• Reports to the Chairperson of the UW Dept.
of Astronomy
SAAO
Rutgers
Mike Smith
Mechanical Engineer
100%
SALT BOARD
Kenneth Nordsieck
Director
Space Astronomy Laboratory
PFIS Principal Investigator
Jeffrey W Percival
Program Manager - 50%
Software Engineer - 40%
Kurt Jaehnig
Systems Engineer
25%
Zambie
Mechanical Designer
50%
Eric Burgh
Instrument Scientist
100%
Don Michalski
Electrical Engineer
20%
Janet Niewold
Program Assistant
50%
Sam Gabelt
Electronics Technician
20%
Rohan
Mechanical Designer
50%
Oct 17, 2001
SALT PFIS Preliminary Design Review
Management, Schedule, & Budget
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Management Details
• Quarterly reports, including schedule & budget
• Monthly status reports posted to web site within 5 working
days after end of month
• Document numbering: use SALT standard
• File formats: various, according to need. AutoCAD, Word,
Excel, STEP, IGES, etc. PDF for publishing.
• Schedule management: Microsoft Project
• Budget management:
– MS Project for big picture, estimated cost to complete
– Excel for detailed budgeting and accounting
Oct 17, 2001
SALT PFIS Preliminary Design Review
Management, Schedule, & Budget
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Interface Management
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Three interfaces: Rutgers, SAAO, SALT.
Governed by Statements of Work and ICDs
Finalize SOWs and ICDs at CDR
Interface changes categorized:
– Refinement of detail, all parties in agreement
– Modification of interface, no effect on performance,
cost, or schedule
– Modification, affects performance, cost, and/or
schedule
• 3rd category of change involves SALT Project Scientist
Oct 17, 2001
SALT PFIS Preliminary Design Review
Management, Schedule, & Budget
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Quality Assurance
• SAL has extensive experience in building spaceflight
hardware
– Wisconsin Ultraviolet Photo-Polarimeter Experiment
– Hubble Space Telescope High Speed Photometer
– Sounding Rocket Payloads
– Star Trackers
• Will apply this experience to PFIS
• Ruggedized manufacture
• Multi-level testing (component, subsystem, system)
Oct 17, 2001
SALT PFIS Preliminary Design Review
Management, Schedule, & Budget
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Contingency Management
• Procurement contingency: 15% for all purchased items
• Budget Contingency: 6 months of labor (3 for Critical
Design, 3 for Fabrication & Test)
• Schedule Contingency: very tight (risk)
• Critical path items:
– Slips in design and fabrication
– Delivery of Detector Subsystem
– Timely access to the telescope
• Earliest possible notification of problems, between all
affected parties, is essential
• Cross-institutional impacts on cost & schedule...
Oct 17, 2001
SALT PFIS Preliminary Design Review
Management, Schedule, & Budget
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Schedule Approach
• 5 Sequential phases
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Concept Design
Preliminary Design
Critical Design
Fabrication and Test
Delivery and Installation
• 4 parallel efforts
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Long Lead Optics
Slit Mask Factory
Etalon Assemblies
Detector Subsystem
Oct 17, 2001
SALT PFIS Preliminary Design Review
Management, Schedule, & Budget
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Budget Approach
• Some people (ME, IS, PM) assigned at 100% for duration
of summary tasks
• Effort-driven work (Mechanical Designer, Machinist)
assigned per task
• Design and fabrication estimates (both labor and materials)
taken from detailed analysis by Swales Aerospace.
• UW charges:
– 45.5% for overhead
– 33% for fringe benefits on labor expenses
– 0% for capital equipment (optics, electronics…)
Oct 17, 2001
SALT PFIS Preliminary Design Review
Management, Schedule, & Budget
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Management Controls
• Vigilant oversight as work proceeds
– For each task, compare degree of completion with
expended resources; red flag for tasks that fall “off the
curve”
– Frequently re-estimate cost to complete, and compare
with remaining resources
Oct 17, 2001
SALT PFIS Preliminary Design Review
Management, Schedule, & Budget
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Schedule (page 1/2)
Oct 17, 2001
SALT PFIS Preliminary Design Review
Management, Schedule, & Budget
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Schedule (page 2/2)
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SALT PFIS Preliminary Design Review
Management, Schedule, & Budget
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