Title: SNAP Management Plan
1SNAP Management Plan
- WBS 1.1
- Peter R. Harvey
- Space Sciences Laboratory
- University of California at Berkeley
- July 2002
2Management, Cost Schedule Breakout Structure
- RD Management Plan P. Harvey
- RD Risk Management and Controls R. DiGennaro
- Cost and Schedule Methodology P. Harvey
- Cost and Estimate Collection D. Peterson
- Cost and Schedule Details (as required)
3RD Management Plan Outline
- Project RD Organization and Roles
- RD Science Organization and Roles
- Institutional Organization and Roles
- Management Emphasis and Work Breakdown Structure
- Deliverables
- Budget and Schedule
- Summary
4SNAP RD Phase Organization
5SNAP RD Management Roles
- Principal Investigator (PI) Perlmutter LBNL
- Overall scientific leadership
- Principal responsibility for scientific mission
- Directs work of Science Working Groups
- Develops scientific requirements for project
- Principal Interface with External Science
Advisory Committee - Collaboration Spokesperson and spokesperson for
the Project - Project Director (PD)/Co-PI Levi LBNL
- Directs RD activities
- Interfaces with PI on science requirements
- Interfaces with PM and DPM on conduct, progress
of RD programs - Responsible for generation of CDR
- Project Manager (PM) Heetderks SSL
- Oversees execution of RD tasks, with emphasis on
SSL tasks - Manages cost/schedule for RD
- Tracks progress on deliverables
- Develops cost/schedule data for construction
phase - Develops project controls, PMP (Project
Management Plan) for construction phase
6SNAP RD Management Roles (cont.)
- Deputy Project Manager(DPM) DiGennaro LBNL
- Assists PM with oversight, with emphasis on LBNL
tasks - Assists PM in areas of cost/schedule tracking
- Assists PM in development of cost/schedule and
project structure for construction phase - Project Office Systems Engineering
- Provides QA, safety guidance in project planning
- Provides systems engineering services for project
development - Tracks and reports on expenditures, technical
progress with RD tasks - Task Leaders
- Execute RD tasks
- Generate management reports for Project Office
- Communicate technical results
- Develop cost/schedule data for construction phase
- Provide input for CDR
- Project Advisory Committee
- Assess status of SNAP on continuing basis
- Technical progress and management
- Provides feedback to LBNL Directorate
7Science Working Groups Centered Under Principal
Investigator
Establishment of Science Requirements
8SNAP RD Science Roles
- Science Working Groups
- Develop and refine science mission for SNAP
- Develop performance requirements for instrument,
and overall mission - Develop operations scenarios required to achieve
science goals - Collaboration Council
- Collaboration Executive Board
- Lead scientist from each collaborating
institutions - Establishes scientific goals and objectives
- Advises the Principal Investigator
- Develops policy for membership and publication.
- External Science Advisory Committee
- Provide input to PI on science goals
- Analyze and critique output from Science Working
Groups - Provide support for SNAP through available
channels
9SNAP RD Organization Structured to Foster
Development and Project Evolution
- Emphasis placed on areas with required enabling
technologies - Instrument - Experienced personnel selected who can commit to
the Project - H. Heetderks Project Manager (SSL)
- Strong Aerospace/NASA experience
- Managed EUVE Spacecraft Development
- Recently completed successful IMAGE FUV
- R. DiGennaro Deputy Project Manager (LBNL),
- Strong DOE project experience
- Successfully completing SNS Front-End Systems
(July 2002) - Collaboration for Science development Project
for Mission development - Science requirements and trades flow down
- Deliverables and development results flow up
- Trades developed with project Systems
Engineering for PI decision
10Formal Institutional Commitments Follow Funding
Sources During RD/Concept
- Funding from DOE to SSL through LBNL via UC
Regents transfer - Project control via statement of work
- Space Sciences Laboratory telescope, spacecraft
- Funding from DOE directly to institution
- Project control via Memorandum of Agreement (MOA)
- University of Michigan near-infrared detectors
- Funding from non-DOE source directly to
institution - Project control via MOA
- IN2P3-INSU (CNRS/CNES France) spectrograph
11Management Emphasis
- Focus on deliverables and milestones
- Highest priority given to development in major
technical and schedule risk areas - Technical
- CCD Development
- NIR Detector Development
- Schedule
- Telescope
- Conceptual Phase trades directed towards fully
optimized configuration
12SNAP Work Breakdown Structure
13Major Deliverables
- Item Completion Date
- Zeroth-Order Design Report 1-Aug-2003
- Draft Requirements Review 1-Aug-2003
- Long Lead Procurement/ Budget Request 1-Oct-2003
- Systems Engineering Management Plan 1-Feb-2004
- Performance Assurance Implementation Plan
(Draft) 1-Feb-2004 - Risk Management Plan 1-Feb-2004
- OTA S/C Study RFPs 1-Feb-2004
- OTA S/C Study Contracts 1-Apr-2004
- Preliminary Project Execution Plan 1-May-2004
- Preliminary Hazards Analysis 1-May-2004
- Systems Requirements Review 1-Jul-2004
- Conceptual Design Report/Review 1-Aug-2004
14Instrument RD Deliverables
- SNAP HgCdTe characterization, specifications, and
acquisition plan. - SNAP preproduction CCD with full
characterization, specifications, and production
plan. - CCD readout ASIC core prototype.
- Spectrograph image slicer prototype
characterization. - Instrument readout electronics concept.
- HgCdTe readout strategy and implementation path.
- Filter set and mounting concept.
- Particle shield performance study and refined
mass estimate. - Shutter concept.
15Telescope RD Deliverables
- Telescope Requirements Specification Document
- Subcontractors Final Reports
- Metering Structure Concept Trades
- Telescope Mirror Materials Trade Study
- OTA Thermal Model and Results Summary
- Focusing/Alignment Tolerance Analysis
- Focusing/Alignment Mechanism Trade Study
- Front Aperture Door Trade Study
- Integration Flow and Test Plan
- Preliminary Stray Light Analysis
- Shutter Mechanism Reliability Failure Modes
Study - Telescope acquisition plan schedule/milestones,
cost.
16Spacecraft RD Deliverables
- Spacecraft Bus
- Spacecraft Bus Performance Requirements
- Spacecraft Bus Studies
- Mechanical and Electrical Systems Concepts
- Environmental, Quality, Programmatic
Requirements - Integration and Test Plan Draft
- Construction Cost and Schedule
- Attitude Control System / Guider
- Preliminary SNAP ACS Model
- Performance Requirements on Guider System
- Draft S/C Interface
- Draft Integration and Test Plan with S/C
- Telemetry
- Final Concept Design Communications Requirements
- Ground System(s) Make/Buy Decisions
- Integration and Test of Ground and Space Segment
Compatibility
17Ground Segment RD Deliverables
- Mission Operations
- High-speed K band telemetry upgrade concept
- High speed data link design from Mission
Operations Center at SSL to Science Operations
Center at LBNL - Contingency plan for back-up ground station
- Science Operations
- Software Requirements Document
- SNAP Data Archive Specification
- Calibration Plan
- Software Interface Control Document
- Software Framework Specification Document
- Simulation code
- Parametrized instrument emulation in SNAPfast
- Prototype full pixel-level instrument response
emulation in SNAPsim - Testbed code identifying data processing
bottlenecks
18Full Project Schedule Underscores Areas to
Emphasize During RD
19Top Level RD Schedule
20Summary
- The management organization is in place to direct
the RD effort - Roles and responsibilities are clearly defined
- Emphasis is on deliverables and interim
milestones - Schedules and budgets are focused on areas
needing greatest development or having longest
lead times