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Produced by the NASA Center for Aerospace Information (CASI)
Payload Missions Integration, Division

Teledyne Brown Engineering

Building 4708 (Mail Stop PMIC/TBE)

George C. Marshall Space Flight\Center.

Marshall Space Flight Center, Alabama 35812

t?(r

- • 5 i5B3

DATA REQUIREMENT (DR) MA-03

PMIC-MA03-469-28

PAYLOAD MISSIONS INTEGRATION

PROGRESS REPORT

(hASA-C&-17090:) rAYLCAD 81S5I0bS N84-10171

IbIEGBAiICN Yrcgiess hepoit, 11 Aug. - 16

Sep. 1983 ('Teledyne Brown Enyineering) 46 p

dL AU3/MF AU1 CSCL 22A unclas

G3/16 44339

Au gust 11, 1983, through September 16, 1983

(WBS 05.1)N1 ''2r13

Nov 1` SIN 0 vJ

RECDFp ^ Np ^pi^

September 28, 1983

Contract Number: NAS8-32712

a
ABSTRACT

This document summarizes Teledyne Brown Engineering's (TBE)

progress on the Payload Missions Integration Contract (PMIC) during the

report period from August 11, 1983, through September 16, 1983. It fulfills the requirements of C1ta Requirement (DR) MA-03 Progress Report.

NR .K. Mitchell

^j Payload Missions Integration Division

W

ii
TABLE OF CONTENTS

1

2

3

4

5

6

7

8

9

10

Page

I NTRODUCT' )N . . . . . . . . . . . . . . . . . . . . . 1-1

MANAGEMENT SUMMARY . . . . . . . . . . . . . . . . 2-1

GENERAL . . . . . . . . . . . . . . . . . . . . . . . 3-1

SPACELAB MISSION NO. 1 . . . . . . . . . . . . . . . . 4-1

SPACELAB MIS'7: ?GN NO. 2 . . . . . . . . . . . . . . . . 5-1

SPACELAB MISSION NC. 3 . . . . . . . . . . . . . . . . 6-1

OFFICE OF SPACE AND TERRESTRIAL APPLICATION (OSTA)

PARTIAL PAYLOADS . . . . . . . . . . . . . . . . . . . 7-1

ASTRO-1 MISSION . . . . . . . . . . . . . . . . . . . . 8-1

PREMISSION DEFINITION . . . . . . . . . . . . . . . . 9-1

MISSION PECULIAR EQUIPMENT SUPPORT STRUCTURE . . . . . 10-1

i i i
R ```

1. INTRODUCTION

1-1

This report is organized for use by the Spacelab Payload Project

Office (SPPO). The Management Summary summarizes the contents of the

report. The General Section provides information which concerns two or

more missions or is nonmission oriented. The Missions' Sections provide

information relative to payload integration progress on the specific

missions for which TBE is responsible in its PMI contractor role.

Within each section of the report, information is organized in

Work Breakdown Stnichre (WBS) number sequence. Only active WBS elements are identified by number and title for reporting purposes.
Highlights of the PMIC contract effort during this period are

summarized below.

General

• One Supplemental Agreement (SA) was negotiated that added

16,000 hours and $573,367 to the contract value.

• Responses were submitted to nine Change Order Modifications

(C/O Mods) during the period, one Engineering Change

Proposal (EC,)' with a cost impact was submitted, and

responses are being prepared for five other C/O Mods.

Spacelab Mi ss ion No. 1 (SL-1)

• Two shipments of stowage MPE were made to KSC in time to

meet the September 14 closeout date.

• Support wds provided for the Phase II Flight Rejdiness

Review (FRR).

• Mission Manager's payload integration support at KSC

continued.

• Extensive support was provided for simulations conducted at

the Payload Operations Control Center (POCC) at JSC and at

the Huntsville Operations Support Center (HOSC) at MSFC.

Spacelab Mission No. 2 (SL-2)

• Cruciform and Payload Clamp Assembly (PCA) installation and

removal procedures were delivered.

• The Cruciform Weight and Center of Gravity (^G) Test was

completed. The weight was 34 lb less than calculated. All

work on the cruciform will be completed soon.

• We supported the GSE and Ground Operations Phase II Safety t

Review at KSC.

2-1

3
Spacelab Mission No. 3 (SL-3)

• MPE for Racks 6, 9, and 11 is nearing completion. Shipment

to K SC is planned on or before September 30.

• The collection of MPE verification data for the Acceptance

Review has begun.

• Ten major assembly/installation and staging drawings were

completed and baselined this period.

• Structural fixes for Racks 3, 5, 6, 7, and 9 were documented

this period.

Office of Space and Terr'-strial Application (OSTA) Partial

Paload

• All OAST-1 MPE is now in fabrication. Piece parts are

approximately 70 percent complete.

• MSL-1 MPE fabrication has been autho-ized and initial work

has started.

• OAST-1 MPE parts and assembly drawings are 100 percent

complete.

• The Middeck Electronic Module (MEM) design was completed and

the CDR data package was delivered for review.

• We supported the OAST-1 P;.yload Operations Working Group at

JSC and the Payload Ground Operations Working Group (PGOWG)

at KSC..

• An OAST-1 payload sneak circuit analysis was completed.

• CAST-1 interim deintegration requirements were submitted on

Septemhcr 1. MSL-1 baseline deintegration requirements were

submitted on September 14.

Astro-1 Mission

• Approximately 75 detail design drawings for "early need"

items are in checking.

• Significant progress was made in all subsystem integration

disciplines.

f

2-2
• The Wide Field Camera (WFC) PDR data package was completed

and delivered.

• Baseline review of the IIAs is underway. Reviews should be

completed by the end of September.

• The MPE Development Plan was revised and reissued. Weekly

MPE Development Status Meetings are being held.

Premission Definition

• The MSL-2 ILPL RK Data Package was prepared and delivered on

September 1, 1983. The team meeting and preboard were

SL- pported.

• The MSL-2 Experiment Tape Recorder (ETR) was ordered and the

System Control Unit (SCU) requirements were defined.

• MSL-2 MPE design drawings are 30 percent complete.

• Piece parts for the MSL-2 MPESS (S/N 006) are 25 percent

complete.

• Work on the Dedicated Discipline Laboratory (DOL) Cost

Effectiveness Study progre..sed well.

• Tasks 1, 2, and 4.1 of the Study Plan for SMICA

Implementation have been completed. Tasks 3 and 4.2 will be

completed by mid-November.

Mission Peculiar Equipment Support Structure

• All work on MPESS S/N 003 is complete. It is ready for

buildup and assembly of the SL-3 MPE.

• MPESS S/N 004 is ready for OAST-1 MPS integration.

2-3
3. GENERAL

WBS 05.0 - PROJECT MANAGEMENT

olaQ AL PAQE 15

OF POOR QUALM

WBS 05.1 - Performance Management and Administration

The project management contract deliverables this period were

the DR MA-04, Financial Maragement Reports submitted on August 17 and

September 14. No progress report was issued in July because a comprehensive PMIC/SPPO Management Review was held on August 11. The viewgraph package for this review served as the progress report, with SPPO's

concurrence.

SA MSFC-249, which added 16,000 hours and $573,367 to the

contract, was negotioted an # j incorporated into the contract during this

period. It closed C/O Mod PSFC-188. Two other SAs (MSFC-248 and MSFC252) were negotiated and are being Finalized. SA MSFC-248 will add

21,950 hours and $950,351 and close C/O Mods MSFC-187 and 192. SA MSFC252 will add 20,889 hours ank' Sd43,586 and close C/O Mods MSFC-202, 208,

210, 212, 221, 222, 223, =24, 227, 231, 232, 234, 237, and 238 and ECPs

91F and 96F.

Responses were submitted to nine C/O Mods during the period.

MSFC-241 added WBS 05.5 study hours; MSFC-242 incorporated WBS 75.9 and

95.4 :ope modifications; MSFC-243 added WBS 35.1 hours and material

dollars for multimission work; MSFC-245 added WBS 35.1 hours and dollars

for MSL-1; MSFC-246, 253, 254, and 255 added WBS 05.5 study hours; and

MSFC-257 added WBS 35.1 hours and dollars for OAST-1. One F,CP (ECP-102)

with a cost impact was also submitted.

Responses are being prepared for C/O Mod MSFC-236 that modified

the Astro-1 scope and schedule; MSFC-244 that requested SL-3 Ames

Research Center rack work; MSFC-247 that added Astro-1 Wide Field Camera

work; MSFC-256 that added SL-1 WBS 95.0 work; anJ MSFC-258 that

requested SL-1 flight evaluation support.

There are currently 23 change proposals with a cost impact in

the MSFC technical review or procurement processing cycle.

3-1
WBS 05.2 - Information , Management

During this period, PMIC Information Management coordinated the

reproduction of 2,431,171 pages in support of various SPPO and PMIC documentation requirements. We added 78 new documents to our master files and

coordinated, published, and distributed the July 1983 Spacelab Payloads and

Applications and Technology Project Management Reports.

WBS 75.0 - PAYLOAD INTEGRATION REQUIREMENTS

WBS 75.10 - Safety aid Quality Assurance

A letter was submitted to NASA requesting a change to our contract

to reflect increased qua,ity effort beyond the scope of NHB 5300.4(1C) and

to increase manpower to comp l y with NASA's request for additional effort on

quality assurance document control.

A new quality engineer (Roger McCombs) was hired to support Astro-1.
4. SPACELAB MISSION NO. 1

ORONAL PAGE IE

OF POOR QUALrTy

WBS 35.0 - SUPPORT SYSTEM DEVELOPMENT

WBS 35.1 - Mission Peculiar Equipment (MPE)

Two shipments of SL-1 stowage MPE were made to KSC this period.

The middle shelf stowage hardware was shipped on August 26, and the

additional NDRR tape stowage hardware was shipped on September 9, 1983.

WBS 75.0 - PAYLOAD INTEGRATION REQUIREMENTS

WBS 75.2 - MPE G. C-TGir

We continued to modify the flight stowage support hardware design

to accommodate stowage of additional flight items. These changes were

extensive and required quick turnaround to meet the Spacelab closeout date

of September 14, 1983.

WBS 75.9 GMound Operations Analysis and Requirements Definition

We continued to support KSC activities through GIRD maintenance.

WBS 75.11 - Configuration Change Coordination and Processing

During this period, we prepared and distributed to the review team

the SL-1 Phase II FRR Package, which contained all Engineering Change

Requests (ECRs), Deviations, Waivers, Field Engineering Changes (FECs), and

Problem Reports (PRs) approved after May 19, 1983.

We continued to process ECRs and ECPs submitted to the SL-1

Configuration Control Boards (CCBs) both Level II and Level III MPE. We

processed 32 ECRs through the Level II CCB, and 4 ECRs through the Level

III MPE CCB.

WBS 75.12 - Interface Agreements

Update of the IIAs, the VFI Interface Control Document (ICU), and

the MPE Requirements Document continued with change page development for

approved ECRs.

WBS 75.13 - Integrated ated Payload Cora atibility

Structural verification cleanup work continued on the stress

analysis or stowed items. Miscellaneous cable ties and stowage container
straps were evaluated during the last month. All margins of safety remain

positive.

The Mission Manager's Payload Integration Support Group at KSC continued to support the payload activities at KSC. We are also supporting the

SL-1 simulation activities at the POCC at JSC and the HOSC at MSFC in

preparation for the SL-1 October launch.

WBS 95.0 - PAYLOAD FLIGHT OPERATIONS INTEGRATION

WBS 95.1 - Onboard Flight/Mission Operations

Preparatio^ of *he final Payload Flight Data File (PFDF) items continued throughout the reporting period. The final issues of 90 percent of

the PFDF items have been published and distributed. PFDFs were prepared and

maintained to support Integrated Training/Proficiency Training (IT/PT) conducted at MSFC during July, August, and September 1983 and to support the

initial Joint Integrated Simulations (JIS) conducted at JSC, which were supported from the HOSC and the Payload Crew Training Complex (PCTC) at MSFC.

Support was provided in the PCTC to prepare for and conduct the

IT/PT.

WBS 95.2 - POCC Requirements

We supported the final POCC data base verification effort by sending

two people to JSC during the week of August 22, 1983. During September

1983, we prepared a data base to support HOSC operations during the mission.

New layouts of the POCC Cadre Room, POCC User Room, and Off-line

User Area Room were prepared to support a MSFC review in September 1983.

The initial JIS was conducted during the last week of July 1983. A

change in the JIS schedule provided the needed time to prepare for and conduct simulations, beginning with a 30-hour launch and activation simulation

starting on September 15, 1983, followed by a 75-hour simulation starting on

September 19, 1983. In preparation for these simulations, we attended

meetings at JSC on August 8-9 and August 29-30, 1983. Additional effort was

applied to this task in the form of one individual with exoerience in the

area of mission operations by means of a subcontract to TOE.

4-2
During this time period, Revision A of the POCC Data Base

Maintenance and Verification System Users Guide, JA-332, was delivered to

Mr. Archie Jackson, NASA/MSF'C/EL14. Nine copies were delivered. This

document reflects all modifications made to the system between February

1983 and July 1983.

A three-man element of support is being provided to the Statusing

and Reporting Section of the SL-1 Mission HOSC Operations Team. This element will assist by maintaining Payload Charts on a 24-hour basis for both

the JIS and the SL-1 mission. We participated in the JIS conducted on

September 15, 19dJ

WBS 95.3 - P ^yload Da t a Processing Requirements

Approximately three weeks of etfort went into preparations for a

4-day meeting that we attended at GSFC during the week of August 29, 1983,

to address data processing requirements and problems with the Pis.

Assistrnce will be provided in developing the Orbiter Ancillary Data

Processing Requirements at MSFC.

WBS 95.4 - Public Affairs Inflight Video and Photographic kequirements

We continued to update the content of the TV/Photo Operations Book

as a result of training and changes to coverage requirements. A 2-day

scene development exerf:ise was conducted during the week of September 5,

1983, in support of this update effort. A complete Revision A of the

TV/Photo Operations Book will be published in October 1983.

We manned the TV Ops position in the POCC for the initial JIS in

late July and early August 1983 and for the 30-hour simulation starting on

September 15, 1983. The final issue of the operating procedures for the

POCC TV Operation position (DR FI-16) was prepared and delivered on

September 15, 1983.

TV operations training was provided to the payload crew in the

PCTC on September 8, 1983. The training consisted of both classroom work

and work in the mockup of the SL-1 nodule.

4-3
OF poM QUAL"

5. SPACELAB MISSION NO. 2

WBS 35.0 - SUPPORT SYSTEM DEVELOPMENT

W3S 35.1 - Mission Peculiar Equipment (MPE)

General

Procedures (per OR GO-03) for Off-Loading/Handling of the PCA,

Reassembly of the PCA, PCA/Cruciform Fit-Check, and Cruciform Unloading/

Unpacking were coi,fle4E and delivered on September , 3, 1983.

Cruciform

A Weight and CG Test was performed on the SL-?. Cruciform. After

completion of this test, the cable standoffs were oriented in place.

The remaining velcro pads have been installed. Upon ;ompletion of a

contract with MDTSCO, the VFI ccrrponents, cables, and insulation

blankets will be installed.

Network Cables

Twenty network cables were completed, tested, and vacuum baited

and then shipped to KSC on September 1, 1983. Two cables were withheld

from this shipment to incorporate EOs. These will be delivered later.

Mockups

The previously deiivered Experiment 10 (HRTS) mockup was modified and delivered back to Building 4108 for incorporation with the

Cruciform mockup. Mockups for the PCA Clamp Actuation System were also

completed and delivered to MSFC for determination of actuation cable

lengths and mounting schemes. Both of these deliveries were made on

September 9, 1983.

REM Control Box MLI Blanket

The flight MLI blanket for the REM Control Box was delivered to

MSFC on September 16, 1983.

5-1
6

IBS 75.0 - PAYLOAD INTEGRATION REQUIREMENTS

IBS 75.2 - MPE_Final Design

We provided technical support at the joint ESA/NASA review of the

paCelab 2/IPS Interface Control Document (Ir0) and provided drawings and

lata to close out TBD areas.

Updates were completed on the Cruciform Part I and Ii CEI SpeciO GMAL PAGE 19

OF POOR QUALITY

fications to incorporate the latest hardware chanyes by ESA.

We updated and submitted revisions to the Experiment 6 MLI Blanket

designs to accommc, ,ate c ,anges recommended by the University of Chicago.

We also submitted design drawings for the Experiment 10 MLI Blankets.

The Cruciform Engineering Mock!,, was updatrJ, and we reviewed the

Experiment 10 thermal tent configuration with the Naval Research

Laboratory. Significant changes are required to incorporate new design

requirements identified during the meeting.

An analysis was performed on a RAU/support bracket interface to

provide data to alleviate an S&E concern about reduced support area in the

interface.

The Cruciform and PCA NASTRAN Models were combined to form ., omposite Cruciform/PCA Model. Updates to experiment locations and

experiment/Cruciform interface modeling were incorporated. Two stuoies

were . performed using the composite model: a relative stiffness study for

the Cruciform and ?CA, and a prediction of the combined Cruciform/PCA

launch/landing frequency.

WBS 75.9 - Ground Operations Analysis and Requirements Definition

We initiated the development of deintegration requirements approximately two months ahead of schedule and continued GIRD maintenance.

WBS 75.10 - Safety and Quality Assurance

Materials were prepared and presented at the SL-2 GSE and Ground

Operations Phase II Safety Review at KSC. The Safety Panel indicated

that the review was sufficient to allow the Phase II: Review to be

5-2
accomplished by submitting change pages and performing the review by

letter.

Safety compliance data were developed for MLI blankets for two

SL-2 experiment coldplates.

WBS 75.11 - Configuration Change Coordination and Processing

We continued to process ECRs and ECPs against baselined documentation. This effort encompassed the preparation of PCN . folders, the

tracking of the change data in the SCIT, the distribution of change

evaluation requests, and the preparation and processing of CCB Directives for changes submitLed to SPPO. We published a weekly SL-2 Open

Action Report, K014, -• nd a TEE Drawing Release List (DRL) which reflects

all SL-2 MPE CEIs being built by TBE.

We submitted revised MLI Blanket drawings for Experiment 6 to

JA53 for review. The following ECPs were released to SPPO:

NO. TITLE CEI

TBE 99F Revised OSP Signal and Power Cable NA

Harness Lengths

TBE IO1F Revised Velcro Pile Drawing, Cruciform

F2-30095

TBE 103F Incorporate GFE Hardware and Mounting RCA

Provisions for Actuator Flex Shaft

We continued to perform the configuration management requirements for the MPE being designed by M.3)FC/S&E and controlled by the

Spacelab Payloads MPE, Level III CCB. We published a monthly Spacelab

Payload MPE (MSFC/JA51) Drawin g Release List, PMIC-DRL-3774, which

reflects all releases authorized by this CCB.

We prepared agendas and minutes for the SL-2 Payload Level II

CCB which met August 11, 1983, and August 29, 1983.

WBS 75.12 - Interface Agreements

ECRs were submitted to revise Experiment 5 connector identification and add cable lengths; change bonding grease from B rated to A

rated for Experiments 8, 9, 10, and 11, and add cable lengths to

Experiment 3; update the weight and CG and external dimensions for

5-3
ORIGINAL PAGE 19

OF POOR QUALITY 

Experiment 9; and define the CG for Experiment 7. Three approved ECRs

were incorporated into the SL-2 IIAs and distributed.

WBS 75.13 - Integrated Payload Compatibility

We incorporated an ECR into the IPRD to update the loads and add

Experiment 14 and general update data. An IPRD ECR is in process to

incorporate Experiment 14 resources, interfaces, and . weight data.

The measured weight and CG data for the Cruciform Structure

Assembly was submitted. The measured weight was 34 pounds less than

calculated and the CG moved aft by 1.92 inches, which is a plus for the

Cruciform structural lox..Ong.

Revised structural verification items were reviewed for Experiment 7. Additional discrepancies were urought to the attention of the

PI. A review of the Experiment 14 verification analysis is ,-resently

being performed.

Fracture control analyses for Experiments 7 and 9 are in

progress.

WBS 95.0 - PAYLOAD FLIGHT OPERATIONS INTEGRATION

WBS 95.1 - Onboard Flight/Mission Operations

Revisions were made to the Experiment Simulator Model Requirements (ESMR) for Experiment 8 and provided to EL12 for review. Revision

A to the ESMR for Experiment 10 was delivered to EL12 on August 2, 1983.

WBS 95.2 - POCC Requirements

Work continued on the POCC data base with the telemetry part of

the data base being nearly complete. Revisions are expected, pending

receipt of an updated IP&CL.

Work started on updating the POCC data base definition as it

applies to the Spacelab Missions.

WBS 95.3 - Payload Data Processing Requirements

We continued to monitor the requirements for this mission.
ORKNML PAGE Is

OF POOit QUALTM

WBS 35.0 —SUPPORT SYSTEM DEVELOPMENT

WBS'35.1 - Mission Peculiar Equipment (MPE)

MPE for Racks 6, 9, and 11 is nearing completion and will be

shipped to KSC on or before September 30, 1983.

Parts for the ESS Assembly are nearing completion. Preliminary

fitup of the Utility Bridge to MPESS S/N 003 is presently being accomplished. Assembly of the Payload Adapter is scheduled to begin

September 26, 1983. The LONS Support Pedestal piece parts are now complete and assembly is scheduled to start October 3, 1983. The ATMOS

Support Structure is approximately 60 p^r• cent complete. Rack 4 hardware

is nearing completion, with fitup scheduled to begin October 3, 1983.

The underfloor MPE is approximately 70 percent complete and is scheduled

for completion by October 7. The underfloor fitup will then begin.

6. SPACELAB MISSION-NO. 3

Rack post reinforcement angles are presently being fabricated

for Racks 6, 9, 11, 5, and 7, and are scheduled for completion

October 3, 1983.

The MSFC Test Lab is fabricating the fluid line hard tubing

pieces, and these are approximately 60 percent complete.

The water loop and Freon loop flex hoses-are on order. Freon

loop hoses are scheduled to be at TBE September 27, 1983; water loop

hoses are scheduled to be in on November 7, 1983.

We created a new matrix for MPE verification on a rack-by-rack

basis, and implemented a system for collecting and tracking MPE verification items. The collection of data for the MPE Acceptance Review was

initiated.

WBS 75.0 - PAYLOAD INTEGRATION REQUIREMENTS

WBS 75.1 - Configuration Design Definition

The following assembly/installation and staging drawings were

completed and baselined during this reporting period:

6-1

Ld
• F3-80036 REV A, Rack 3 Staging

• FE-80037 REV A, Rack 4 Staging

F3-80041 REV A, Rack 5 Staging

F3-80038 REV A, Rack 6 Staging

• F3-80042 REV A, Rack 7 Staging

• F3-80043, Rack 8 Staging

• F3-80039 REV A, Rack 9 Staging

• F3-80040, Rack 11 Staging

• F3-10026 REV A, Rack 6 Assembly

• F3-10021 REV A, Rack 9 Assembly

0

•

•

ORitaMAL PAGE 18

Of POOR QUALM

We reviewed JPL's ODM assembly and detail drawings and noted

several discrepancies. We then met with JPL's technical representative

and resolved these discrepancies.

We completed the preliminary analysis of current stowage

requirements and a recommended approach to the stowage configuration.

We established locator codes for the module configuration and updated

the stowage list per ARCLSP changes.

WBS 75.2 MPE Design

MPE design documentation completed during this reporting period

included:

• Structural fixes for Racks 5 and 1, which included one

• assembly/modification drawing and 14 detail drawings

• Structural fixes for Racks 3, 6, and 9, which included eight

detail drawings.

A design concept to remove a potential structural failure in the

ESS Payload Adapter was proposed, and preliminary design sketches were

made. A second "base-drive" analysis was performed-to assess the

potential fixes.

Analyses were performed in support of procurement of hardware

for the !PE Fluid Loop, the Freon Loop, and the Vacuum Vent System.

These studies included determining the impact of changes in the design

of the ECS subsystems.

6-2
Coordination of the WE Fluid Loop test continued. Test

requirements were developed.

ECRs were prepared to incorporate changes to the.MPE cable

design drawings that resulted from CCTV subsystem reconfiguration.

The design of a new cable harness, internal to the GFFC experiment, was initiated to alleviate a test problem at the developer's

facility.

WBS 75.3 - Command/Data/Communication System Integration

ATMOS verificati-^ data was reviewed for technical compliance

with the verification data requirements. No problems were noted in the

data provided, however, all verification data requirements have not been

met.

WBS 75.5 - Environmental System Integration

Studies were performed to assess the effect of launch delays and

the impact of an additional crewman.

WBS 75.6 - Electrical System Integration

Verification review items were completed for the UMI, DDM,

ARCLSP, and GFFC experiments. Analyses of electrical WE assemblies

were initiated to facilitate completion of WE verification review

items.

WBS 75.7 - Structural/Mechanical System Integration

We completed the structural analysis of fixes to eliminate negative margins of safety in three experiment developers' racks

(dedicated), Racks 5, 7, and 8. These supplemental analyses were

delivered to the experiment developers.

We completed the checking of the Rack 4 analysis for WE

verification. Checking of the analysis of the underfloor area for MPE

verification is currently in progress. We completed analytical

verification of all WE in Racks 6, 9, and 11.

We reviewed approximately 15 structural verification items submitted by experiment developers.

6-3
ORIGINAL PAGE 19

OF POOR QUALITY

The Fracture Control Plan for MPE (DR IR-56) was updated to

include GFFC MPE. The fracture control analysis for the DOM experiment

in Rack 8 was also updated. This update resulted from fixes

incorporated in Rack 9 to eliminate negative margins of safety, which

al"ered the stresses in Rack 8 and the DDM experiment.

WBS 75.9 - Ground Operations Analysis and Requirements Definition

We continued development of deintegration requirements and GIRD

maintenance. The deintegration requirements are approximately 5 weeks

ahead of schedule. Inputs were provided to our Systems Engineering

personnel for IIA updating. Effort was also expended to prepare for the

Pre-Level IV Integration Coordination Meeting at KSC on September 21 and

22, 1983.

WBS 75.10 - Safety and Quality Assurance

Lists were prepared which specify the type of safety data still

required fer verification of the SL-3 experiments. Several telecons

were conducted and data acquired. The KSC GSE and Ground Operations

Phase III Package is in preparation and will be submitted during the

next review period.

WBS 75.11 - Configuration Management

Activities this period required coordination with the MSFC Level

II CCB, the MSFC Level III MPE Board, and the TBE/PMIC Level IV CCB. We

submitted to the MSFC Level II Board the directives required to obtain

approval of TBE/PMIC prepared Revision A to previously baselined Racks

3, 4, S, 6, 7, and 9 staging configuration drawings; baseline Racks 8

and 11 staging configuration drawings; baseline instrument interface

agreements (IIAs) for Experiments 3AFL02/3AVC06, and 3SHF15; and baseline the SL-3 Payload Installation/Assembly Drawing F3-10022. We submitted to the MSFC Level III Board the directives required to baseline

TBE/PMIC-prepared reinforcing angle drawings for Racks 5 and 7. We

processed through the TBE/PMIC Level , IV Board 27 Class II Engineering

Change Orders (ECOs), 4 drawing revisions, and 10 reinforcing angle

drawings for Racks 3, 6, and 9.

6-4
We continued to process and track assigned actions to close

Discrepancy Notices (DNs) submitted against the various milestone review

data packages. On a regular basis, we published reports reflecting SL-3

baselined documents and open change activities, the TBE DRL, and the DN

Open Action Status Report.

WBS, 75.12 - Interface Agreements

The FES/YCGS, ARCLSP, and MICG IIAs are still in the baselining

process and should all be baselined in the next reporting period. An

ECR to the IONS IIA it also being prepared.

WBS 75.13 - Integrated Payload Compatibility

We completed ECR TBE 3-0169 for t he SL-3 IPRD (109 pages). We

also completed revised verification plans for the DOM, ATMOS, MICG, and

AFT experiments. Numerous instrument verification items were processed.

WBS 75.14 - Mass Properties

We released Mass Properties Quarterly Report No. 19 and updated

the SL-3 data base per experiment changes. We assisted in the stowage

analysis effort and supported verification item reviews on instrument

hardware.

WBS 95.0 - PAYLOAD FLIGHT OPERATIONS INTEGRATION

WBS 95.2 - POCC Requirements

Preparation of the POCC data base continued. A revision to

Annex 5 (POCC Requirements) to the Payload Integration Plan (PIP) is in

progress.

WBS 95.3 - Payload Data Processing. Requirements

We continued to monitor the data processing re.;airements for the

mission. Work started on an update of the format of the requirements

documents (DR FI-06).

6-5
.

7. OSTA PARTIAL PAYLOADS

WBS 35.0 - SUPPORT SYSTEM DEVELOPMENT

WBS 35.1 - Mission Peculiar Equipment (MPE)

All OAST-1 MPE is in the fabrication shop, and the piece parts

are now approximately 70 percent complete. Tooling and GHE designs are

approximately 50 percent complete, and the hardware is approximately 35

percent complete. All MPE attachment hardware is either on order or on

hand. No problems are anticipated with attachment hardware. The SCCF

mounting plate was compl,ced, painted, and shipped to Lockheed on

September 12, 1983. The DAE Alignment Procedure has been completed and

is awaiting CCB action. The MPE Assemb l y Procedure is being updated.

Our manufacturing division has been authorized to proceed with

fabrication of MSL-1 MPE. The shoulder bolts have been completed and

the raw materials for the "Gas Can Beams" have been received and rough

cut to size. Machining is scheduled to start the first week in October.

WBS 75.0 - PAYLOAD INTEGRATION REQUIREMENTS

WBS 75.2 MPE Design

One hundred percent completion of the OAST-1 MPE parts and

assembly drawings was achieved.

Verification review items for the OAST-1 SAE experiment were

assessed and completed. Technical requirements and design support were

provided to facilitate the final design of a Power Control Box Heater

Assembly for the OAST-1 payload.

Final design documentation packages for the OAST-1 payload were

revised to reflect the addition of fuse modules. These were provided to

protect wiring between the SAE experiment and the Aft Flight Deck

Deployment and Pointing Panel per JSC interface requirements. Documentation revised included the cable interconnect diagram, end-to-end

system schematic, cable assembly drawings, and Part I and Part II CEI

specifications.

GRIQINAL PAO. 13

OF POUR QUALM

7-1
MSL-1 MPE drawings were updated to show new attachments for the

MLI grounding straps. Also, approval of MSL-1 Deviation Approval

Request (TBE 043) was received during this period.

The MEM design was completed during this period. A CDR data

package was submitted to MSFC for review.

A breadboard of all the TBE-designed electronics was built anI

exercised in the development laboratory. Each circuit performed without

known problems.

The deve'cment of the MEM is behind schedule due to late

delivery of the GFE tape recorder and apparent problems in the tape

recorder. Problems were encountered in reading data from the tape

recorder. Different results were obtained when attempting to read from

all four tracks. It has also been observed that the read electronics

does not reconstitute all bit patterns equally. It is believed that the

read electronics contains a low pass filter that was designed for the

4-IPS tape recorder. This unit was modified to operate at 12 IPS. The

result of this problem is a severe attenuation of a consecutive string

of "1" or "O."

Fabrication of the MEM breadboard enclosure and ADSF simulator

is nearing completion. This unit will be complete by October 1. If the

tape recorder problem can be solved, the breadboard unit will support

simulated ADSF operational (simulated mission timeline) tests to verify

the capability of the unit to record the data over a complete mission.

PC board layout and basic board fabrication of the data acquisition and tape recorder control board will be subcontracted to a CAD/CAM

firm. TBE will then stuff the board, solder, and conformal coat the

assembly. The procurement package for this board is complete and we are

ready to initiate procurement. Modification of the SEP enclosure to

convert to a MEM will begin when the CDR DNs are received, reviewed, and

incorporated into the drawings such that they may be baselined and

released to manufacturing.

a 

7-2
ORMNAL PAGE 15

OF POOR QUALM

WBS 75.4 - Command and Data Requirements

On August 23 and 24, we participated in the OAST-1 Payload

Operations Working Group meeting at JSC. Subsequently, we began to

prepare a Data Change Request (DCR) for a PIP Annex 4 update based upon

JSC and MSFC comments. Also, a memorandum with updates for the

Functional Subsystem Software Requirements (FSSR) Document is being

prepared.

During the period, we participated in telecons with the JSC Crew

Training Branch (Keven Koiey) regarding OAST-1 MCOS display pages. In

addition, we have prepareu recommended Annex 4 and FSSR changes to

display the SAE containment box oven temperature, and have suggested

OAST-1 ground displays for MCC and HOSC, with cross-correlation tables

and item descriptions.

WBS 75 . 5 - Environmental System Integration

Timelined analyses were performed to determine the maximum

temperature of the OAST-1 DAE tape recorder. The analyses showed the

tape recorder to exceed the maximum allowable temperature if the

recorder is painted white. A subsequent analysis indicated that the

recorder would remain within allowable temperature if it was covered

with silverized Teflon. The analyses were documented and a technical

memorandum was sent to SPPO.

WBS 75.6 - Electrical Systems Integration

An end-to-end sneak circuit analysis of the OAST-1 payload was

completed and delivered on schedule.

WBS 75.8 - Pointing/Stabilization Systems Integration

Two tasks were pursued for the study being performed to res^jive

OAST-1 DN 2-452-2873. First, revised aerodynamic data from JSC was

incorporated into the OSOS computer code. Second, a STS-4 gravitygradient, free-drift simulation was run using the revised OSOS program.

We are presently awaiting data from JSC to use in verifying this

simulation.

7-3
O1tlGWAL ME 19

Of POOR QUALM

The STS Flight Control System (FCS) simulation used'in the OSOS

computer progra-n was previously found to be obsolete. During this

period, an update to the FCS coding was initiated.

WBS 15.9 - Ground Operations Analysis and Requirements Definition

The OAST-1 interim deintegration requirements were submitted to

the SPPO for review on September 1, 1983, approximately two months ahead

of schedule. GIRD maintenance continued and inputs to update the IIAs

were provided to our Systems Engineering group. We also supported and

participated in the PGO14G at KSC on September 12 through 15, 1983.

The MSL-1 baseline deintegration requirements were completed and

submitted to the SD?0 on September 14, 13083, 10 weeks ahead of the

scheduled November 25, 1983, contracturai date. We continued MSL-1 GIRD

maintenance activities.

WBS 15.10 - Safety and Quality Assurance

.The OAST-1 GSE and Ground Operations Safety Data Package '13r the

KSC Phase II Safet y Review was delivered to MSFC for comments. The

resulting comments were incorporated and the data package was submitted

for transmittal to KSC.

A revised issue of the SAE Safety Data Package was received and

is currently being reviewed.

WBS 15.11 - Configuration Change Coordination and Processing

We continued to process all ECPs against the current OSTA-2

baseline. This effort included incorporation of outstanding ECOs into

revised drawings which are to be used in staging of the MSL-1 mission

(Reference ECP TBE 100F). We published a weekly Partial Payload Open

Action Report, K32A, which listed all outstanding open actions against.

OSTA-2 baselined documentation, and published the monthly TBE DRL

reflecting all OSTA-2 MPE CEIs being built by TBE.

We continued to process all SCRs and ECPs against the current

OAST-1 and MSL-1 baselines. This effort included preparation of PCN

folders, processing of change evaluation requests, tracking changes in

SCIT, and preparation of CCBDs. We published a weekly Partial Payload

7-4
. 1

CMAL PAGE rl

OF POOR QUALnY

Open Action Report, K32A, which lists all outstanding open actions

against OAST-1 and MSL-1 baselined documentation.

We continued to track ON open actions and published the actions

in the monthly Partial Payload ON SCIT Report, K062. There are

currently five open MSL-1 ONs.

We baselined the OAST-1 GIRD, JA-141, and submitted the OAST-1

IPL Verification Plan, JA-148, and the OAST-1 Payload installation/

Assembly Drawing and Parts List (F4-10030) to MSFC for evaluation and

baselining. All OAST-1 CEI Specifications and associated detail/

assembly drawings g ave b-:n baselined, except the OAST-1 Thermal and

Electrical MPE Part II CEI Specifications and Drawing F4-20003.

Currently, all MSL-1 Level II n,icume p tation (IIAs, IPRD, PID,

IPL Verification Plan, A&I Drawings) has been baselined, except the

MSL-1 GIRD, JA-143. The MSL-1 GIRD has been reviewed by MSFC, comments

have been incorporated, and it has been resubmitted for baselining.

All MSL-1 CEI Specifications and associated detail/assembly

drawings have been baselined.

During this period, we processed numerous MSFC Middeck drawing

SCRs and ECOs and continued to process ON closeouts for the ONs submitted against the various Middeck experiment milestone review data

packages. We baselined the ADSF GIRD, JA-249, and the ADSF IPRD,

JA-284. We baselined the IEF IPL System Verification Plan, JA-252, and

the IEF GIRD, JA-248.

WBS 75. 1 2 - Interface Agreements

A CCB meeting was held on August 19, 1983, to review the revised

ECR to the SCCF IIA and several SCRs to the SAE IIA. Some of the ECRs

were approved with noted changes and others will be reviewed again.

An ECR was submitted to the DAE IIA.

Some of the ECRs were processed with a CC8D, and document revisions will be made for submission to the repository.

7-5
a

ORXWM PAGE 19

OF POOR QUALM

WBS 75.13 - Integrated Payload Compatibility

We processed several DN closeouts which were related to delivery

of the proposed OAST-1 baseline assembly and installation, drawings for

MSFC review.

We attended the OA-(-.f-1 POWG meeting at JSC on August 24 and 25,

1983. Discussion was centered around a detailed STS-14 timeline draft

showing 3 days of dedicated OAST-1 operation.

We participated in a telecon with Rockwell personnel on

September 9, 19b:J, to d4-ouss proposed changes to the OAST-1 ICD. The

impact of these changes, which primarily concerns connectors at the SIP

interfaces, i s currently being evaluated.

To ensure interface compatibility, the SCCF interface plate

(hardware) was shipped to JPL during this period, as requested.

We attended and participated in regularly scheduled OAST-1

payload working group meetings at MSFC. An interface actiun was taken

by MSFC to determine the requirements for caps or connectors on

experiment and GFP nonflight connectors. No determination has been made

at this time.

SAE verification progressed well to the point o f having 41

verification requirements approved with 15 remaining ,pen. These i5

open items are scheduled to be closed by November 1. Several of these

requirements are be o g held open awaiting receipt of the final stres-s

analysis from LMSr (due September 1). Five of the fifteen are awaiting

waivers.

The SCCF IRR data package was received. On preliminary

examinatiun, thu data appears adequate to close/satisfy all but ii;f- 01

the requirements. Primarily, those remaining open include thermal and

external optical proper';l—, and mass properties. Thermal and optical

properties will be available .dhen the final selections of paint are

made, and mass properties will only be available shortly before shipment

to KSC.

7-b
Manufacturing rcute sheets are being accumulated to support the

OAST-1 structural MPE verification effort.

The OAST-1 Metallic and Nonmetallic Materials List was approved

by the M&P Laboratory of MSFC during this report period.

We still have not rcceived an approved MEA-A2 Verification Plan

or the similarity statement (certifying degree of similarity to MEA-A1)

needed to close most of the verification requirements.

The MSL-1 MPE Verification Summary Reports (DR IR-52s) for

structural/mechar„t_ 'i ?n' electricai WE were published with all verification items open. No hardware will be completed before November 1,

1983.

The Verification Summary Report (DR IR-51) for the MSL-1 IPL was

published with all ve„ification items closed, but with five experiment

and MPE items open.

WBS 75.14 - Mass Properties

The final OSTA-2 weighing data was received.

The OAST-1 Mass Propertie-S 7tatus Report No. 4 (DR IR-.05) was

submitted August 1, 1983.

The MSL-1 Mass Properties Status Report No. 4 (DR IR-05) was

submitted August 15, 1983.

OFdQINAL PAGE JU

OF POOR QUAI_1TY

7-7 
8. ASTRO- 1 MISSION

^P^R 

PAGE IS

WBS 35.0 - SUPPORT SYSTEM DEVELOPMENT

WBS 35.1 - Mission Peculiar Equipment (MPE)

The two titanium pieces (5 112 in, by 5 1/2 in. by 14 in.) for

the WUPPE were shipped to the University of Wisconsin on September 2,

1983. The 4 in. and 2 112 in, aluminum plates for the cruciform

fabrication are still scheduled to arrive at TBE by September 30, 1983.

WBS 75.0 - PAYLOFn Ta'TFCRATION REQUIREMENTS

WBS 75. 2 - MPE Desi^^

The design group began or continued Astro-1 detail design work

in a number of areas during this reporting period, resulting in delivery

of approximately 75 drawings for checking. Areas of primary emphasis

were:

• Cruciform blade envelope drawings which are required by

manufacturing to begin tooling design

• Cruciform blade, ring, and trunnion detail drawings which

are required nor early start of fabrication

• Cruciform simulator GSE drawings which are needed to support

cable routing, MLI fitup, access, and clearance studies

• Alignment GSE which is needed early to support alignment

activities.

The stress group prepared and delivered the following documents:

s The PDR Alignment and Stability Analysis

• Astro-1 Coupled Loads Models for the Cruciform and PCA.

Each of these documents was the culmination of computer modeling

and supporting analysis.

Other significant activities included the following:

• The determination, by stress and dynamic analyses, of the

Crur.Iform blades' dimensions

8-1
. a

• The remodeling and reanalysis of the Integrated Radiator

System (IRS) due to new component location requirements

• The development of automated procedures for. simplifying

the complex data assimilation associated with alignment and

stability analyses with varying thermal data, and accurately

applying rotational acceleration load factors to the

Cruciform (a capability which NASTRAN does not provide)

• The analysis of a proposed invar mounting plate for the

Optical Sensor Package (OSP)

• The final anaiy^is of the three telescope alignment

simulators and alignment holding fixtures.

The Thermal Analysis group's Astro-1 activities during the

reporting period were as follows:

• Cruciform sensitivity studies were performed. Six of the

sixteen cases were completed. The temperature data was

transmitted for deflection analyses.

• Thermal analyses were performed to ., ssess the feasibility of

hand-mounting the DRIRU II to the Cruciform and eliminating

the flexible heat pipe from the DRIRU II to the IRS. The

studies indicated this to be feasible and provided the data

for sizing of the DRIRU II heaters.

• The IRS thermal analyses continued. The analyses have

provided:

- Definition of an acceptable location for the electronic

boxes

- Confirmation of the heater sizing

- Definition of the number and location of longitudinal

heat pipes for the IRS.

An IRS meeting was held at GSFC. The topic was the thermal

design of the IRS, with emphasis on the heat pipes.

ORIGINAL PAGE 19

OF POOR QUALITY

8-2
_

ORIGINAL PAGE 13

OF POOR QUALITY

The heat pipe request for proposal (RFP) was completed and

sent to TBE Purchasing. The RFP will be sent to seven

vendors.

• Thermal modeling of the PCA started. The TRASYS model is

now being coded.

• Test planning for the IRS is underway. Test requirements

and capabilities of the test chamber are being defined.

• DNs resulting from the MPE PDR are being resolved.

• Effor 1. tart , d on defining the VFI requirements.

WBS 75.3 l Ccm ,arid T-ita/(;ommiunications Systems Integration

During this period, we prepares, the following documents for the

WFC PDR: Dutu Hurdling Unit (DHU) Performance Specification, DHU Furp ace Specification, and Vendor Subassembly Data (Power Supply, Chassis,

Wirewrap Boards). We also participated in the PDR and demonstrated the

DHU breadboard assembly.

WFC laboratory development activities started during this

period. Except for a crystal, all WFC DHU breadboard parts have been

received. The card cage is assembled. We tested purchased software for

operation of the 8073 microinterpreter, acting as a 78 simulator. The

software will be utilized for DHU firmware test, operation, and storage.

We began the wirewrap wire test using VT180 automated WIREMASTER software.

WBS 75.6 - Electrical System Integration

Preliminary design and documentation requirements for the Wide

Field Camera PDR data package were met on schedule with the delivery of

a cable design drawing, a cable design and performance specification, a

cable interconnect diagram, an electrical system schematic, an

electrical/electronic/electromechanical parts list, and an electromagnetic compatibility test procedure. A schematic for the Wide Field

Camera Data Han0l ing Unit Command Interpreter was also inc uded M ,ale

PDR data package.

8-3
ORIGML PAGE 19

OF POOR QUALM

The selection of Astru-1 VFI temperature sensors and matching

signal conditioners was initiated as thermal requirements were identified. Limiting parameters affecting data accuracy are being assessed

for impact.

WBS 75.1 - Structural/Mechanical System Integration

Astro-1 Wide Field Camera preliminary design activities were

completed on schedule to support the WFC PDR.

The design group supplied preliminary drawings of the internal

and external conf auration of the WFC Canister and Cruciform mounting

concept drawings for the canister as well as for the Data Handling Unit

Electronics Box.

Design personnel completed a trip to work . out interface problems

between the WFC and the VARO Corporation image intensifiers, and also

supported all PDR meetings.

The analysis group performed, prepared, and delivered on schedule the preliminary structural and thermal analyses required to support

the WFC PDR. In each case, preliminary models were prepared and used to

provide data that was included in the PDR analysis documents.

WBS 75.30 - Safety and Quality Assurance

The preliminary FMEA of the PCA/Cruciform latching/release

operations was completed. Additional data was received and will be

incorporated in the analysis.

WBS 75.11 - Configuration Change Coordination and Processing

During this period, we supported several Astro-1 design reviews.

We assembled and distributed the Astro-1 MPE PDR data package, and

tracked all data package DNs in the SCIT Computer System. We supperted

the Astro-1 IPL IDE and MPE PDR preboard and board meetings and prepared

and distributed the minutes for these meetings. We also assembled and

delivered the data package for the Wide Field Camera PDR.

8-4
Qftftt p Meer a

WBS 75.12 - Interface Agreements

QVALrrr

Work continued to incorporate RIDs from the IPL IDE into IIAs

for WUPPE, UIT, and HUT. The status as of September 16, 1983, is as

follows:

DOCUMENT RIDs RECEIVED INCORPORATED PENDING INPUT

IIA WUPPE 23 19 4

IIA UIT 8 6 2

IIA HUT 27 20 7

A baseline review of the above IIAs was initiated during this

period. The WUPPE ev+ev; was completed September 15 at Wisconsin, with

UIT and HUT reviews scheduled for the last week in September. Each

document will undergo major revisions as a result of these reviews. A

date for baselining each document has not yet been determined.

An evaluation of access to WUPPE electronics connectors at the

telescope was completed and submitted for information.

Isometric layout drawings are being developed for the integrated

Cruciform to provide an early assessment of cable routing and general

access.

WBS 75.13 - Integrated Payload Compatibility

The IPRD is being revised based on RIDs generated during the IPL

IDE review. The present status is as follows:

RIDs INCORPORATED RIDs OUTSTANDING

IPRD 19 4

The four open RIDs are awaiting data from MSFC.

DNs generated against the MPE PDR data package are being

incorporated in the Astro-1 design documentation. Present status is as

follows:

TOTAL DNs

GENERATED WITHDRAWN CLOSED OPEN

123 10 68 45

Effort is underway to baseline the TBE MPE Systems Requirements

Document. During the period, DNs were incorporated and results from

8-5
! ,

the PCA Deploy and Restow analyses, mechanical and thermal interface

definition between the IRS and electronic boxes, and VFI system

requirements were added. Plans are to baseline the document in early

October 1983.

Systems Engineering continued analyses on the PCA Deploy and

Restow Study and developed a preliminary FMEA for the PCA at the mission

systems level. Major changes were made to the. Deploy and Restow budget

for the Pitch = 0 phase in the Systems Requirements Document based upon

a better understanding of the error sources.

A list of ouesti .s and data requirements was prepared

concerning the ESA IPS and Rockwell clams required as inputs to the

Deploy and Restow Analyses for the IPS/Astro configuration. Where data

were not available, assumptions were made by TBE and presented to NASA

as the basis for continuing analyses until better data is available.

Special Astro-1 requirements for the Rockwell clams to be used

on the PCA were presented to Rockwell and to NASA. Also, a new concept

for carrying axial loads into a longeron clam was reviewed for possible

incorporation into the Astro PCA to eliminate the need for a keel clamp.

The Astro-1 verification program continued with revisions to the

Cruciform, MLI and Mounting Hardware Verification Plan, the IRS

Verification Plan, and the PCA Verification Plan.. In addition, a fourth

document, the VFI Preliminary Verification Plan, has been prepared for

review. Special test plans in support of the four basic verification

documents are in preparation for an October-November period review

before the CDR. The special test plans include the Telescope Alignment

Test Plan, the Pallet/PCA/Cruciform Alignment Test Plan, the IRS Thermal

Vacuum Test Plan, and the IRS Acoustical Test Plan. Considerable

progress is being made in the definition of special plan test fidelity

and GSE requirements.

Verification plans from the HUT, UIT, and WUPPE CDR data

packages were reviewed and are in the process of being reformatted to

reflect the TBE verification format. The new format will specify data

8-6
a•

f

01 tNAL PAGE 19

Of POOR QUALITY

requirements that shall be sent by NASA to-the experimenters for PI

concurrence.

A logging system was implemented to control weight/mass

properties data inputs to the data base. Biweekly weight status

reporting was instituted based on preliminary dra%ing releases. The

latest estimate of the current TBE MPE weight shows the limit weight set

by the Mission Manager to'be exceeded by 190 kg.

The MPE Development Plan was revised and issued to incorporate

major changes in verification test schedules since MPE PDR.

Weekly MPE Deve. pment Status Meetings are now being held. The

purpose of the meetings is to jointly review Astro development status as

it pertains to design, manufacturing, r rocurement, testing, and

procedures with a view towards identifying potential problem areas.

Procurement of long lead time . items, such as titanium, invar,

heat pipes, optical cubes, and aluminum plate has been initiated.

A progress review for the Wide Field Camera was held August 18,

1983. Concerns expressed at the meeting were worked for incorporation

into the PDR documentation.

The PDR for the Wide Field Camera was held September 13-15,

1983. The following documents were submitted for review:

• Experiment Requirements Document

• CEI Part I Specification

• Preliminary Design Drawings

• Preliminary Design Analyses

• Preliminary Parts and Materials List

• Preliminary Verification Plan

• Cable Interconnect Diagram

• EMC Test Procedures

• Electrical System Schematic

Astro-1 Master Schedules are contained on the next five pages.

8-7
w OMONAL PAoe 19

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8-12
9. PRE14ISSION OEFIMITI011

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TD-JA02-83-02, dated June 9, 1983, authorized the performance of =

the 14SL-2 Premission Definition Study. This study activity consists of

the initial payload integration work on the MSL-2 mission.

The MSL-2 IPL RR Data Package was submitted on September 1, as

scheduled. The following list identifies the documents prepared and

submitted by TBE as parts of this data package.

a EML Instrument Interface Agreement (JA-361)

a ADSF lnstrume . ` Interface Agreement (JA-366)

e 3AAL Instrument Interface Agreement (JA-368)

a MSL System Specification (B1-4-0056-TBE)

Y MSL Payload Configuration Drawings

• PIP Annex 1, Payload Data Package (JSC 18425/1)

a PIP Annex 4, Orbiter 17ommand and Data (JSC 18425/4)

e PIP Annex 6, Orbiter Crew Compartment (J5C 18425/6)

a MSL-2 ..xperiment Interface Summary (PMIC-RPT-3899)

a System Control Unit (SCU) (81-4-0058-TBE).

The team meeting and the preboard for this review were

supported. A total of 84 DNs was received and dispositioned by TBE for

this review.

An MSL-2 Payload Ground Processing Presentation was Made

August 24, 1983. Technical support was provided to prepare and give

this presentation.

During this period, the primary CDMS accomplishments were Vie

ordering of the Experiment Tape Recorder (ETR) and the definition of

requirements for the SCU.

The OEX Bell and Howell MARS 1400 ETR Specification was selected

following discussions with GSFC regarding the applicability of the

Goddard qualification testing unit to MSL-2. It was determined that the

OEX version, as specified by JSC, better fitted the MSL-2 requirement,, 

and the ETR was ordered on September 15, 1983.

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_- 
The SCU CEI Part I Specification was submitted for MSFC review

on September 12, 1983. In addition to the analog and discrete I/O

cards, t► te specification definition included the ETR interface card, the

Serial/Digital Input/Output (SDIG) interface card, and the LGAS interface card. Action items were accepted to consider .a GPC data bus interface option to the SDIO, to support LGAS alternative studies, and to

study backup alternatives in the event of SCU development delay. A

presentation was given to recommend continuation of the SDIO development

instead of undertaking GPC data bus interface development. A letter

summarizing the presentation was submitted at MSFC's request. The LGAS

alternative study, conducted by MSFC, is scheduled for completion on

September 23, 1983. The SCU Backup Tradeoff Study conducted by 1BE is

scheduled for presentation on September 18, 1983.

In the area of SCU and SCU GSE software, the definition of the

requirements was initiated. Contact was made with the Information and

Electronics Systems Laboratory. A meeting to discuss our software

approach will be scheduled in the near future.

Preliminary configuration layouts were prepared in support of

the MSL-2 RR. MPE design drawings were started and are 30 percent complete.

The MSL-2 MPE NASTRAN Model was completed. This model will be

used to perform stress analysis of the rails and crossties and to verify

minimum natural frequency requirements. The Integrated Payload NASTRAN

Structural Model was also completed. This model is being used to fine

tune the MPESS design to meet the.minimum frequency requirements.

Structural analyses for experiment and subsystem mountin g hardware, including the coldplate support structure, are 60 percent completed.

Thermal analyses were performed to define the MPE thermal

requirements. The thermal requirements were incorporated in the System

Specification delivered at the RR. Thermal compatibility analyses were

started. Preliminary Freon loop analyses were performed to assess the

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capability of the loop to meet the MSL-2 requirements. Thermal modeling

of the MSL-2 payload started. The TRASYS model is being developed.

Thp piece parts for MRESS S/N 006 are in fabrication and are

approximately 25 percent. One machined end fitting is.90 percent complete and the other has not been started due to a machine breakdown.

This machine is scheduled to be back in operation on September 27 and

machining of the other end fitting will begin.

TD-JA02-83-04, dated August 8, 1983, authorized the performance

of the Dedicated Discipline Laboratory (BBL) Cost-Effectiveness Study.

A review of the li _ardic to DDLs has been made, and the Shuttle High

f Energy Astrophysics Laboratory (SHEAL) has been selected as the srawmar

for detailed study. A methodology has been established to determine the

cost, schedule, and hardware impacts of various implementation options

4

for the SHEAL flight/reflight scenario. With regard to analytical integration, the TOE cost model covering analytical experiment integration,

f

MPE, and ground and flight software has been modified to reflect the

SMICA new mission scenario and post-modification checkout/testing has

been completed. With regard to physical integration, the assumption has

been made that this is a level-of-effort activity and that cost correlates closely with activity duration. Schedule data has been compiled

that pertains to various integration/deintegration scenarios. The

methodology will be applied to a set of SHEAL configurations to determine the cost/schedule sensitivities of various implementation options

and will result in the identification of a preferred approach.

TD-JA02-83-05, dated August 9, 1983, directed TOE to prepare an

arrow network and associated activity description documentation based on

the SL-6 mission. This activity is underway.

TD-JA02-83-06, dated August 17, 1983, directed TOE to perform

additional SMICA study work. Task 1, as described in the Study Plan for

SMICA Implementation Tasks dated July 20, 1983, has been completed and

the results were submitted in Technical Letter SP-SPPO-266(83) dater

July 20, 1983, Task 2 has been completed and the-results were submitted

in Technical Letter SP-SPPO-269(83) dated August 31, 1983. Task 4.1

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results were submitted with the study plan. Tasks remaining to be

accomplished are Task 3, Compatibility and Cost Analysis of the NMS and

the Proposed KSC Standard Integration Flow, and Task 4.2, Update to NMS

Implementation Plan. These are due November 14, 1983.

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10. MISSION PECULIAR EOUIPMENT SUPPORT STRUCTURE

WBS 35.0 - SUPPORT SYSTEM DEVELOPMENT ORtQ W PAGE 0

WBS 35.1 - Mission Peculiar Equipment ( MPE) OF POOR QUALITY

The Weight and CG Test on MPESS S/N 003 was performed on August

11, 1983. All work on this structure has been completed, and it is

located in position to begin buildup and assembly of the SL-3 MPE.

Assem:.ly operations, including an el ct , ical bonding test, were

comrleted on MPESS S/N 004 on August 18, 1983. This structure was

painted and returned to the A&I Facility or, Au3ust 26, 1983. The Weight

and CG Test was performed on September 1, 198:1. S/N 004 is complete and

ready for OAST-1 MPE integration.

An updated and revised Operati^ n s and Maintenance Manual was

prepared to cover operations with MPEE' S I N 003 and subsequent MPESS

units (P/N F4-30655). This updated manual includes the revised GSE to

accommodate KSC integration st.-nd operations and a section is devoted to

recertification and inspection of the MPESS after a mission.

WBS 75.0 - PAYLOAD INTEGRATION REQUIREMENTS

WBS 75.13 - Integrated Payload Compatibility

Recommendations for final closure of all S/N 002 DRs were

transmitted on September 12, 1983. JSC agreed with dispositions.

We closed all open items on S/N 003 and its GHE except:

4.1.1.1 Weight

4.1.2.2 G.G.

4.1.2.3 Life Spectrum.

All 53 verification requirements on S/N 004 and its GHE are

closed except:

4.1.1.1 Weight

4.1.1.2 C.G.

4.1.3.3 Life Spectrum.

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Preparations are underway for the S/N 004 AR on September 28,

1983. All requirements will be closed except 4.1.3.3 Life Spectrum.

WBS 75.14 Klass Properties

MPESS S/N 003 was physically measured and compared to the

calculated weight, and results were reported in PMIC-IR05-..3613, entitled

the "Actual Mass Properties Report for S/N 003," dated September 1983.

The calculated Mass Properties Report for S/N 003 was reported in PMICIR05-3613, dated September 7, 1983

For MPESS S/N 004, a calculated mass properties report dated

September 7, 1983, and.an actual mass properties report dated September

1983 were prepared and verified for the physically measured unit.

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