The construction of the ELT is now in full swing. This is true both for the construction of the Dome and Main Structure (DMS) in Chile, but also for all the other sub-systems manufactured by industrial partners in Europe. While the DMS is entirely managed by the industrial consortium, the shipment to Chile and the installation at the telescope of the other subsystems is mostly under the responsibility of ESO. The shipment of these components from Europe to Chile has started recently and will soon reach a level of ~10'000 components/month. All these components will need to be tracked during their shipment, incoming inspections will need to be performed, health-checks and integration with other components will need to be done. The components will then be stored temporarily at the warehouse, before being installed at the telescope. We will present the approach for the logistics, infrastructure, and the tools set up to manage the status and location of all these components and to keep the link to their associated latest documentation.
The 25 European Antennas of ALMA were delivered by ESO to the ALMA project in Chile between 2011 and 2013. Since then, they are operated and routinely maintained under extreme conditions. The content of the documentation of the European ALMA Antennas is in constant need for content-wise updates due to diverse component and software upgrades (which need to be mirrored in the content of the information product) and the gain of staff experience. Initially the interactive maintenance manual for the European ALMA Antennas was prepared following the standard S1000D. The interactive version was expected to ease the process of creating consistent, and uniform information and to ease user access, compared to more conservative solutions. In this paper we evaluate the application limits of the commissioned maintenance manual following S1000D that caused lacking user acceptance and therefore ESO’s expectations not being fulfilled. The process of developing the new approach tailored to both, the use-cases on field and the creation and agile maintainability in-house, is explained. Taking the analyzed use-cases and user inputs into consideration we present the strategy of updating the maintenance manual in a way that guarantees short document lifecycles and streamlined maintainability inside the organization. In particular, the involvement of the target groups throughout the process preparing the effective launch of the new release are highlighted. The modular workflow to create the maintenance manual focuses on granular content reuse from one single source which is maintained centralized internally. In addition to the workflow, also the tool for the manual creation, Adobe FrameMaker, is described. Finally, we show the beneficial influence of the new maintenance manual release on the running operations of the European ALMA Antennas and discuss potential application cases.
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