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17 May 2021

Accelerator

The first part of the accelerator, the Normal Conducting Linac, was handed over to ESS accelerator operations on May 11. This means all infrastructure, shielding and personnel protective systems are in place, and conditioning of the Radio-Frequency Quadropole (RFQ) and, subsequently, beam commissioning can follow.

Target

The steel structure for the Target cantilever roof is now in place and is currently subject to cladding with aluminium lamellae. In total, 2592 panels – each holding three aluminum elements – will be mounted onto the structure. Approximately one-third of the lamellae is already in place.

Cladding of the building facades is also ongoing, while in the Target entrance building, where you will find the ESS main control room, internal finishes are in progress, which includes floor treatment, painting and installations.

Experimental Halls

In Experimental Hall 1 and 2 adjacent to the Target Building, floor treatment, mounting of walkways and sound absorbers are ongoing. On the Monolith footprint installation of the neutron shielding bunker is underway.

The first delivery - a crate containing the Neutron Beam Optics Assembly (NBOA) - for LoKI, a small-angle neutron scattering (SANS) instrument, has arrived on site. Installations and construction of an instrument cave for LoKI, is planned to start inside Experimental Hall 2 in June. 

Labs

In the D08 lab building, supporting Experimental Hall 1, all floors have been equipped with epoxy and painting is ongoing. On the top floor glass walls and door frameworks are installed for an office area. ESS have installed fume hoods, as part of an early access agreement with Skanska.

Waste Treatment Facility

All construction work for the Waste Treatment Facility, which will be used to treat, store and handle intermediate to low level radioactive waste produced during ESS operations, are completed. An external office area has been connected to the main building via a in-situ-built sluice.

All installed systems, including electrical installations, fire alarm and Control & Monitoring, are subject to final testing. Handover from construction partner Skanska to ESS is scheduled for August.

Siteplan Archive
D01 hall

Overview of Experimental Hall, with the blue bunker walls on the Monolith footprint.

G01 TSW and fence

Shielding wall and fence to the Normal Conducting Linac.

D02 Dog Leg view

Steel structure for the ESS Target roof completed over the Dog Leg ramp, connecting the Accelerator to the Target building.

D03 sombrero

Cantilever roof cladding on the north facade of Experimental Hall 2.

D02 facade cladding

Facade cladding for the ESS Target building.

D02 Target Entrance MCR

The ESS main control room in the Target Entrance building.

D03 beamline wall to E02

The beam line wall, where neutron guides will be placed to send neutrons to the long, curved Experimental Hall 3.

D08 fume hoods installation

Installation of fume hoods in the D08 lab building.

D08 offices

Construction of separated offices in the D08 lab building.

H09 sluice connection

Sluice connection between the Waste Treatment Facility and external offices.

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