Change Request Database

• CRE ID

  CRE Title

  Owner

  Status

  Class

  Open For

  Details

• CRE-064

  Changes to NGSS Requirement Documents post FDR1

  Kjetil Dohlen

  Paused

  Class 1

  923 Days

• CRE-066

  ISS top frame to test frame mechanical ICD

  Jonathan Strachan

  Cancelled

  Class 2

  860 Days

• CRE-067

  IFS requirements update

  Anna MacIver

  Paused

  855 Days

• CRE-077

  ICR to IPO thermal interface drawing updates

  Anna MacIver

  Cancelled

  783 Days

• CRE-081

  Thermal interface between ISDS, ICR and ISP

  Anna MacIver

  Paused

  Class 2

  686 Days

• CRE-085

  Update to IFS and ICR Space Envelope

  Anna MacIver

  Cancelled

  Class 2

  609 Days

• CRE-086

  Update to IFS internal co-ordinate systems

  Anna MacIver

  Paused

  Class 2

  588 Days

• CRE-087

  Update to IFS and ISP interface drawings

  Anna MacIver

  Cancelled

  Class 2

  583 Days

• CRE-090

  FPRS Window Panes

  Jonathan Strachan

  Cancelled

  Class 1

  500 Days

• CRE-091

  Update to IFU - ICR Mechanical Interface drawing

  Cancelled

  479 Days

• RFD-006 (CRE-105)

  ISS Access Walkway Widths

  Jonathan Strachan

  Cancelled

  Class 1

  409 Days

• RFD-005 (CRE-104)

  (No provision of) Cabinet Smoke Detectors

  Beth Johnson

  Awaiting CIB Review

  Class 1

  409 Days

• CRE-097

  Additional Interfaces for TE AIT

  Cancelled

  378 Days

• ET-1416

  Modification of HARMONI Straylight Requirement

  Paused

  374 Days

• CRE-099

  Introduction of a new interface between the ESE and LOWFS

  Paused

  353 Days

• CRE-070

  ISP requirements update

  Anna MacIver

  Populated - In Progress

  855 Days

• RFD-001 (CRE-103)

  NIR Camera Wavefront Error

  Populated - In Progress

  413 Days

• CRE-102

  Update of Optical ICD Between IPO and IFU

  Accepted for Implementation

  20286 Days

• ET-1223

  INS Control System V3

  Accepted for Implementation

  1523 Days

• ET-1167

  New Version of the Common Requiremenets for ELT-Instruments

  Accepted for Implementation

  1389 Days

• CRE-056

  Five Lens Design IR Camera

  Accepted for Implementation

  1276 Days

• ET-1273

  New and Updated Ads for RTC, ICS and Network Infrastructure

  Beth Johnson

  Accepted for Implementation

  Class 1

  1057 Days

• CRE-075

  Clarification of IRW Parking and Interlock Requirements

  Beth Johnson

  Accepted for Implementation

  825 Days

• ET-1373

  HARMONI Image Quality requirement update

  Phil Rees

  Accepted for Implementation

  Class 1

  715 Days

• CRE-083

  Additional Interface between FPMW and Masks

  Anna McIver

  Accepted for Implementation

  Class 1

  654 Days

• CRE-092

  Change of minimum exposure time requirement

  Fraser Clarke

  Accepted for Implementation

  Class 1

  440 Days

• CRE-093

  Change to NGSS external volume allocations

  Kjetil Dohlen

  Accepted for Implementation

  423 Days

• CRE-094

  IFS vibration testing specification

  Accepted for Implementation

  409 Days

• ET-1475

  Add Vacuum and Cryogenics Standard V7 to CDL HARMONI

  Accepted for Implementation

  373 Days

• ET-1497

  Accelerations Applicable to Re-Assembly, Integration and Maintenance HARMONI

  Accepted for Implementation

  344 Days

• ET-754

  System Mass

  Implemented and Closed

  Closed

• CRE-001

  Pre-Optics to IFU interface change

  Hermine Schnetler

  Implemented and Closed

  Class 2

  Closed

• ET-552

  Change to INS Common ICD and SCP

  Implemented and Closed

  Closed

• ET-676

  MICADO Volume Change

  Implemented and Closed

  Closed

• ET-324

  version 2 of ICS Common Requirements ESO-264642

  Implemented and Closed

  Closed

• ET-303

  Change to Common ICD ESO-253082 version 2

  Implemented and Closed

  Closed

• ET-541

  Glycol Cooling Connectors Size

  Implemented and Closed

  Closed

• CRE-002

  Configuration Management Plan Update v2 to v3

  Andy Born

  Implemented and Closed

  Class 2

  Closed

• CRE-003

  Additional Nasmyth Interface Points

  Fraser Clarke

  Implemented and Closed

  Class 1

  Closed

• CRE-004

  System Mass

  Fraser Clarke

  Implemented and Closed

  Closed

• CRE-005

  LGSS Asterism Change

  Anne Costile

  Implemented and Closed

  Class 1

  Closed

• CRE-008

  Spectrograph Gratings

  Matthias Tecza

  Implemented and Closed

  Class 1

  Closed

• CRE-007

  LTAO: change to separate LGS dichroic from FPRS window unit

  Fraser Clarke

  Implemented and Closed

  Class 1

  Closed

• CRE-009

  IFU Mountings

  Magali Loupais

  Implemented and Closed

  Class 1

  Closed

• CRE-010

  2nd order J high-resolution Gratings

  Matthias Tecza

  Implemented and Closed

  Closed

• CRE-011

  FPRS-to-ISS Interface Change

  Patrick Smith

  Implemented and Closed

  Class 1

  Closed

• CRE-012

  Cold Volume Thermal Control

  Kjetil Dohlen

  Implemented and Closed

  Class 1

  Closed

• ET-850

  Change to Common Interface between Nasmyth instruments and the rest of the E-ELT system

  Implemented and Closed

  Closed

• CRE-015

  Revision of FPRS-Related Requirements

  Fraser Clarke

  Implemented and Closed

  Class 1

  Closed

• ET-818

  Change to HARMONI DV DWGs

  Implemented and Closed

  Closed

• CRE-016

  LGSS Allocated Volume Change

  Anne Costille

  Implemented and Closed

  Class 2

  Closed

• CRE-022

  Spectrograph Specification Update to v2

  Implemented and Closed

  Closed

• CRE-021

  IRW Specification Update to v2

  Implemented and Closed

  Closed

• CRE-020

  IFU Specification Update to v2

  Implemented and Closed

  Closed

• CRE-019

  Pre-Optics Specification Update to v2

  Hermine Schnetler

  Implemented and Closed

  Class 1

  Closed

• CRE-018

  Cryostat Specification Update to v2

  Implemented and Closed

  Class 1

  Closed

• CRE-023

  IFS Cryostat to Pre-Optics Interface Change

  Implemented and Closed

  Closed

• CRE-024

  LGSS Camera Change

  Implemented and Closed

  Closed

• CRE-025

  LGSS Fold Mirror Mounting Change

  Implemented and Closed

  Closed

• CRE-026

  Update to Nominal Field Centres document

  Implemented and Closed

  Closed

• CRE-030

  Update to ISS-to-Calibration Module Interface Drawing

  Implemented and Closed

  Closed

• CRE-029

  Updates to Calibration Module and LGSS volume envelopes

  Implemented and Closed

  Closed

• ET-895

  HARMONI Volume Allocation

  Implemented and Closed

  Closed

• ET-894

  External Surface Temperature

  Implemented and Closed

  Closed

• CRE-031

  SCAO Dichroic Change

  Implemented and Closed

  Closed

• CRE-033

  Implementation of SCAO commisionning camera in the HCM

  Implemented and Closed

  Closed

• CRE-032

  Implementation of a Fixed ADC in the HCM

  Implemented and Closed

  Closed

• CRE-034

  Updates to Interface Control Dossier

  Implemented and Closed

  Closed

• CRE-035

  Change to the Exit Pupil position of the FPRS

  Implemented and Closed

  Closed

• CRE-036

  Updates to LGSS Requirements

  Implemented and Closed

  Closed

• CRE-037

  Change to Coordinate system in FPRS to LGSS Optical interface

  Implemented and Closed

  Closed

• CRE-038

  Update to IFS Requirements Specification

  Implemented and Closed

  Closed

• CRE-039

  Update to Infrared Science Detector Module Requirement Specification

  Implemented and Closed

  Closed

• CRE-040

  Update to Visible Science Detector Module Requirement Specification

  Implemented and Closed

  Closed

• CRE-046

  Mechanical ICD between ESE and ISB of NGSS

  Implemented and Closed

  Closed

• CRE-042

  Increase in power allocation for HARMONI components in ELT computer room

  Implemented and Closed

  Closed

• CRE-043

  NGSS Requirements Update

  Implemented and Closed

  Closed

• ET-1004

  Update from v3-v4 of data flow for ESO observatories Deliverable Standard

  Implemented and Closed

  Closed

• ESO-382155

  ALICE and LISA camera requirements

  Implemented and Closed

  Closed

• CRE-044

  MUDPI Request for Deviation (RfD)

  Implemented and Closed

  Closed

• CRE-045

  (RfD) LGSS Camera Requirements for ESO

  Implemented and Closed

  Closed

• ET-1233

  Update of the Nasmyth Platform Floor Level Tolerancing

  Implemented and Closed

  Closed

• CRE-048

  Change to the FPRS-IOE Seal ICD

  Implemented and Closed

  Closed

• CRE-051

  Changes to LGSS Requirements post FDR1

  Implemented and Closed

  Closed

• CRE-050

  HCS-LGSS Mechanical Interface Change

  Implemented and Closed

  Closed

• CRE-049

  Changes to IRW and ICR Requirements post FDR

  Implemented and Closed

  Closed

• CRE-052

  New version ICD HRM-DWG-3200-2400-097_A to Version B

  Implemented and Closed

  Closed

• ET-1159

  Conflict HARMONI Design Volume vs MS Alt Cable Wrap Access

  Implemented and Closed

  Closed

• CRE-054

  Changes to LGSWFS Properties in HRM-00220

  Implemented and Closed

  Closed

• CRE-057

  Removal of LSF Calibration Hardware

  Fraser Clarke

  Implemented and Closed

  Class 1

  Closed

• CRE-058

  Updates to IRW and ICR Mechanical Interface Drawing

  Implemented and Closed

  Closed

• CRE-060

  Change in HARMONI Space Envelope

  Implemented and Closed

  Closed

• CRE-061

  Change in FPRS-NGSS Temperature

  Implemented and Closed

  Closed

• CRE-063

  Changing Thermal Background Requirement

  Implemented and Closed

  Closed

• ET-1292

  Reduction of HARMONI Design Volume

  Implemented and Closed

  Closed

• CRE-065

  Change to LGSS Space Envelope

  Implemented and Closed

  Closed

• CRE-069

  IFU requirements update

  Anna MacIver

  Implemented and Closed

  Closed

• CRE-068

  IPO requirements update

  Anna MacIver

  Implemented and Closed

  Closed

• CRE-072

  VSDS requirements update

  Anna MacIver

  Implemented and Closed

  Closed

• CRE-071

  ISDS requirements update

  Anna MacIver

  Implemented and Closed

  Closed

• CRE-073

  NGSS to IFS optical ICD

  Implemented and Closed

  Closed

• CRE-074

  IFU to ISP optical interface

  Magali Loupais

  Implemented and Closed

  Class 2

  Closed

• CRE-078

  IPO space envelope update

  Anna MacIver

  Implemented and Closed

  Class 2

  Closed

• ET-1340

  Definition of Cut-Outs in the NP Floor for Various Supply Lines [HARMONI]

  Implemented and Closed

  Closed

• CRE-079

  Verification method on LGSS requirements

  Anne Costille

  Implemented and Closed

  Class 2

  Closed

• CRE-080

  ICR Requirements update (post CDR2)

  Anna MacIver

  Implemented and Closed

  Closed

• CRE-082

  Clarification of LDM Requirements

  Anne Costille

  Implemented and Closed

  Class 2

  Closed

• CRE-084

  Update to IFU Space Envelope

  Anna MacIver

  Implemented and Closed

  Class 2

  Closed

• CRE-089

  LDM ICD and Allocated Volume

  Implemented and Closed

  Closed

• CRE-095

  Minor updates to ISS Requirements

  Implemented and Closed

  Closed

• CRE-096

  LDM Allocated Volume

  Implemented and Closed

  Closed

• CRE-098

  Minor Modifications to SCAOS to HCM Optical ICD

  Implemented and Closed

  Closed

• CRE-100

  Minor Modifications to HCM SCAOS Mechanical

  Implemented and Closed

  Closed

• CRE-101

  Updated AOCU to CM ICD Drawing

  Implemented and Closed

  Closed

• CRE-017

  Rationalisation of Instrument Co-ordinate Systems

  Fraser Clarke

  Rejected - Pending rework

  Class 1

  Closed

• CRE-053

  New version of HRM-00145 Systems Engineering Management Plan.

  Rejected - Pending rework

  Closed

• CRE-055

  IRW Allocated Volume Change

  Rejected - Pending rework

  Closed

• CRE-006

  Addition of Pointing Camera

  Fraser Clarke

  Rejected and Closed

  Class 1

  Closed

• CRE-014

  Clarification and Harmonisation of Product Numbering Scheme

  Andy Born

  Rejected and Closed

  Class 1

  Closed

• CRE-041

  Addition of NGSS Access Fixtures on IFS

  Rejected and Closed

  Closed

• CRE-047

  Change to the FPRS Envelope

  Rejected and Closed

  Closed

• CRE-059

  NGSS-HCM Product Numbers

  Rejected and Closed

  Closed

• CRE-062

  FPRS-LGSS Dichroic Change

  Rejected and Closed

  Closed

• CRE-076

  ICR to ESE mechanical interface drawing updates

  Anna MacIver

  Rejected and Closed

  Closed

• CRE-088

  IRW to NP Mechanical Interface Changes

  Anna MacIver

  Rejected and Closed

  Closed