(nasa-cr-178822) space pla1fobk expendables ~ 886 … · platform expendables resupply concept...
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(NASA-CR-178822) SPACE PLA1FOBK EXPENDABLES ~ 886-24735BESOPPLY CONCEPT DEFINITION STUDY. VQLOHE 3:IORK B f i E A K D O W K S1BOCTORE AND SOBK B R E A K D O W N •SIEUCTURE DICTIONiBY Technical Report, Har. Onclas1984 - Dec. 1984 (Rockwell International G3/18 42940
SPACE PLATFORM EXPENDABLES
RESUPPLY CONCEPT DEFINITION STUDY
STS 85-0174
Volume III
Work Breakdown Structure
And
Work Breakdown Structure Dictionary
Contract NAS8-35618
For Period March 1984 - December 1984
2202e
https://ntrs.nasa.gov/search.jsp?R=19860015264 2020-06-09T15:46:37+00:00Z
SPACE PLATFORM EXPENDABLES
RESUPPLY CONCEPT DEFINITION STUDY
STS 85-0174•
Volume III
Work Breakdown Structure
And
Work Breakdown Structure Dictionary
Contract NAS8-35618
For Period March 1984 - December 1984
2202e
CONTENTS
Page
INTRODUCTION 1
WBS DIAGRAMS 2
EXPENDABLES RESUPPLY MODULE SYSTEM WEIGHTS BY WBS 6
WBS DICTIONARY ' 8
WBS 1.1 Program Management & Systems Engineering 8
WBS 1.2 Design & Development . 8
WBS 1.3 Production & Manufacturing 9
WBS 1.4 Systems Verification & Test 10
WBS 1.5 Launch Operations 10
WBS 1.6 GSE & Payload Support 10
WBS 1.7 Mission Operations 10
WBS 1.8 Maintenance & Refurbishment 10
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INTRODUCTION
This document contains the work breakdown structure (VBS) for the spacePlatform Expendables Resupply Concept Definition Study.
The ¥BS consists of a list of WBS elements, a dictionary of elementdefinitions, and an element logic diagram. The list and logic diagramidentify the interrelationships of the elements. The dictionary defines thetypes of work that may be represented by or be classified under each specificelement.
The Space Platform Expendable Eesupply WBS, as defined herein, wasselected mainly to support the program planning, scheduling, and costingperformed in the programmatics Task (Task 3)«
The ¥BS is neither a statement-of-work nor a work authorizationdocument. Rather, it is a framework around which to define requirements, planeffort, assign responsibilities, allocate and control resources, and reportprogress, expenditures, technical performance, and schedule performance. TheWBS element definitions are independent of make-or-buy decisions,organizatioinal structure, and activity locations unless exceptions arespecifically stated.
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WORK BREAKDOWN STRUCTURE FOR ERM PROGRAM
The selected work breakdown structure for the ERM program consists of thefollowing elements:
1.1 Program management and system engineering is the core of theprogram and provides the overall program perspective necessary forcontinuity and decision-making.
1.2 Engineering design
1.3 Manufacturing, procurement of purchased systems and assembly oftest articles and flight units.
1.4 Developmental, qualification, flight demonstration, and functionaltesting.
1.3 Mission planning, flight support, and check-out necessary tosupport the first launch and post-flight analysis.
•
1.6 Payload support for the resupply module in the orbiter payload bayis GFE (this hardware is available from other programs).
1.7 & 1*3 Operational support beyond the baseline program has not been costed.
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EEM SYSTEMS WORK BREAKDOWN STRUCTURE
The WBS numbers, used in the programmatics Task 3 Section are Orbiter/STSdesignations.
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ERM SYSTEM WEIGHTS
The weights range for each ERM System reflects on 80 percent confidence thatthe actual design weight will be between a low of 8260 and a high of 9170pounds.
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DICTIONARY
1.0 SPACE PLATFORM EXPENDABLES RESUPPLY MODULE
This element encompasses tasks associated with development, productionand support of the Expendables Resupply Module. The tasks include systemdesign, fabrication, assembly, installation and checkout, and quality control;engineering studies and testing; support equipment; tooling; procurementactivities; facility activation; system interface definition; control andintegration of government-furnished equipment (GFE) into the sparesprovisioning; operations support; and requisite program management activities.
1.1 PROGRAM MANAGEMENT & SYSTEM ENGINERING
This element contains tasks associated with management and supportof the Expendables Resupply Module. The tasks include planning, organizaing,and defining requirements; establishing schedules and allocating resources toattain objectives; reporting progress and providing program status visibility;and controlling the program activities.
This element also defines requirements for the design, development,production, and test of the Expendables Resupply Module, including analysesthat support the development of designs and verify compatibility of designswith requirements and tasks required to control and direct engineeringactivities related to the design of the system.
1.2 PLIGHT HARDWARE DESIGN, DEVELOPMENT, AND QUALIFICATION
This element includes detailed design of structures, systemcomponents, interface hardware, testing, evaluation, and utilization of testresults to finalize ERM production designs. Work effort includes inspection,procurement, and support to safety and reliability.
This element is subdivided into the following Level 7 elements:
Structural SystemsMechanical SystemsFluid SystemsElectrical Power SystemsElectrical Control SystemsAvionicsEnvironmental Control Systems
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1..3 PRODUCTION/MANUFACTURING
This element includes all design, manufacture, inspection, and acceptancetest activities that are unique to the production of specific flight units ofthe Expendables Resupply Module. Included are the manufacturing and assemblyof the developmental test article, the qualification test article, the firstflight units, and the refurbishment systems salvaged from the developmentaland qualification test articles, and assembly into a second flight unit.
1.3.1.1.2 STRUCTURES
This element includes design, development, and qualification ofstructural components for the expendable fluid resupply, includingprimary and secondary structures and thermal protection items forstructures.
1.3.1.1 ADAPTOR FOR ERM/OMV
This element includes the design, development, and qualification oftruss structure between the ERM and OMV for attachment of robotics forspacecraft servicing, separation bolts, and helium tanks.
1.3.2.3 FLUID SYSTEM
This-element includes design, development, and qualification ofpropellant storage and transfer components, including fluid lines,umbilical interfaces, helium tanks, propellant pumps, compressors,disconnects, valves, tanks, and component thermal protection items.Also included are assembly and testing of the complete fluid system.
1.3.3 ELECTRICAL POWER SYSTEM
This element includes the design, development, and qualification of44K¥/Hr. rated batteries.
1.3.4 AVIONICS SYSTEM
This element includes design, development, and qualification ofinstrumentation, displays, controls, data processing, andelectrical distribution and control components of the system. Alsoincluded are assembly and testing of the complete avionics system.
1.3.4.6 ELECTRICAL CONTROL SYSTEM
This element includes the design, development, and qualification ofelectrical regulation and distribution subsystems and actuationsequence controllers.
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1.3-5 ENVIRONMENTAL CONTROL SYSTEMS
This element includes the design, development, and qualification ofcold plates and heaters, thermal protection systems, and blankets andcovers.
1.3.7.8 MECHANICAL SYSTEM
This element includes design, development, and qualification of RMSend effectors, docking umbilical actuators, and pyros.
1.4 SYSTEM VERIFICATION AND TEST
This element contains the task of verifying the expendable resupplymodule concept with two test articles: developmental and qualification. Thedevelopmental test article will be tested first at the White Sands Test Rangeto verify fluid transfer, docking and release, pressurant transfer, andtankage monitoring capability. In addition, the ERM will be fit tested to theorbiter and the OMV to verify their compatability.
The qualification test article will be tested first at Johnson SpaceCenter for acoustic vibrations, thermal vacuum and random vibrations. Then,the qualification test article will be shipped to White Sands Test Facilityfor fluid transfer tests beyond the ERM's design limits.
1.5 LAUNCH OPERATIONS
This element includes the test and checkout of the first flight unitprior to launch, mission planning, operations support, and post-flightanalysis of the first operational flight.
1.6 GSE & PAYLOAD SUPPORT
This element includes government supplied equipment such as the IUSforward cradle, STS fitting, and latches. The cost of these elements are notincluded in the baseline program cost estimate.
1.7 MISSION OPERATIONS
This element includes the mission support for managing the day-by-dayoperations of the expendable resupply module. This cost is not included inthe baseline program cost estimate.
1.8 MAINTENANCE AND REFURBISHMENT
This element includes the logistic support for repairing and refurbishingthe expendable resupply modules as required. This cost is not included in thebaseline 'program cost estimate.
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