Cox, Renee, I.

Thomas, L., Dale

NASA Technical Reports Server

National Aeronautics and Space Administration
www.nasa.gov
Tailoring Enterprise Systems Engineering 
Policy for Project Scale and Complexity
October 9, 2014
Renee I. Cox, L. Dale Thomas, Ph.D.
NASA/Marshall Space Flight Center
https://ntrs.nasa.gov/search.jsp?R=20140016718 2019-08-31T15:46:06+00:00Z
2Program/Project
Documentation
HQ
MSFC
MSFC-HDBK-3173
PM & SE Handbook
MPR 7123.1
MSFC System 
Engineering 
Processes 
and 
Requirements
Handbooks, Guidance, 
Best Practices
NPR 7123.1
Systems 
Engineering
NPR 7150.2
Software 
Engineering
NPR 7120.5 
Space Flight 
Prog/Proj
Management
NPR 7120.6
Lessons 
Learned
(To be replaced 
with NPD)
NPR 7120.10 
Technical 
Standards
NPR 7120.9 
PDLM 
Management
NPR 7120.8
R&T 
Prog/Proj
Management
NPR 7120.7
IT & Institutional 
Prog/Proj
Management
MGM 7120.3
DM Guide
MPR 7123.1
MSFC 
System 
Engineering 
Requiremen
ts
MPR 7123.1
MSFC 
System 
Engine ring 
Requiremen
ts
MPR 7123.1
MSFC 
System 
Engine ring 
Requiremen
ts
MPR 7123.1
MSFC 
System 
Engine ring 
Requiremen
ts
MPR 7123.1
MSFC 
System 
Engine ring 
Requiremen
ts
PROG-PL-001
Progra /Proje
ct  Plan
MPR 1280.10
Marshall 
Quality 
Management 
System
MPR 7150.1
MSFC Software 
Engineering 
Requirements
MSFC 
GuidanceMGM 8040.1 
CM Guide
MPR 7120.1
MSFC 
Engineering and 
Program/Project 
Management 
Requirements
MSFC-HDBK-3684
Program, Planning, 
& Control Handbook
Horizontal and vertical 
integration are key. 
NPR-8000 
Series 
Flight Safety 
and Mission 
Assurance
Policy Requirements Flow-down at MSFC
Integration
Portfolio Mission Types
3
SPARTAN
SLS ISERV
Lunar Prospector –
Discovery Program JWST Mirror Testing
R&T
GPB
Portfolio Life Cycle Options
4
SF or 
R&T
SF R&T
≥$250M?
UC/LC TC SPP Project
PROGRAM, PROJECT, or ACTIVITY
Mission Type? 1-5
R&T TD Portfolio
NO
YES
Mission Type? 2b-5
5UC/LC
P/SRR
P/SDR
PIR
TC
P/SRR
P/SDR
P/PDR
P/CDR
P/SIR
P/DCR
P/ORR
P/FRR/MR
R
P/CERR
P/PFAR
P/DR
P/PLAR
SPP
MCR
SRR
SDR/MDR
PDR
CDR
PRR
SIR
DCR/SAR
ORR
FRR/MRR
PLARR
CERR
PFAR
DR
DRR
Project
MCR
SRR
SDR/MDR
PDR
CDR
PRR
SIR
DCR/SAR
ORR
FRR/MRR
PLAR
CERR
PFAR
DR
DRR
R&T
Pre-
Formulation
FR
SR
TD
Pre-
Formulation
FR/PDR
DRR/COR
DR
MCR
SRR/SDR
CDR
SIR
DCR/SAR
ORR
FRR/MRR
PLAR
CERR
PFAR
Portfolio
Pre-
Formulation
FR
Port-SR
Port-FR
SR
Port-PR
Transition/Cl
osure Phase
SF or 
R&T
SF R&T
$250M?
≥ 
PROGRAM, PROJECT, or ACTIVITY
Type 
2a
NO
YES
Type 
3b
Type 
1
Type 
2b
Type 
3a
Type 
3b
Type 
3c
Type 
4
Type 
5
Type 
3c
Type 
3a
Type 
2b
Type 
4
Type 
5
UnmannedMannedGround
Compare and Contrast
6
Design Reviews 
DifferencesSLS
MCR
SRR
SDR/MDR
PDR
CDR
PRR
SIR
DCR/SAR
ORR
FRR/MRR
PLARR
CERR
PFAR
DR
DRR
GPIM
FR/PDR
SRR/SDR
CDR
SIR
DCR/SAR
FRR/MRR
28 Products 
Integration Function
SE Assessment
PM Functions
1
Yes No
Similarities
Conclusion
• Integration
• Agency and Center
• Requirements and 
Best Practices
• Mission Types to Life Cycle
• Tailor
• Big picture tailored down to 
project scale
• Benefits
• Integration performed once –
left side of V
• Focus implementers’ attention 
– right side of V
• Highlights SE Policy path 
based on scale and complexity
• Enhanced risk based decision 
making
7
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National Aeronautics and Space Administration
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Tailoring Enterprise Systems Engineering Policy for Project Scale and Complexity

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