UK SBS PR16256 ESS Liquid Nitrogen Distribution

As part of an In-Kind Contribution to the European Spallation Source, STFC-Daresbury Laboratory has agreed to procure, fabricate, test and deliver 84 + 4 (5-cell) High-Beta superconducting 704.41 MHz cavities for the ESS High Beta Project.

This specification is concerned with the installation of a main liquid nitrogen feed up to the central Helium Liquefier. All flow rates and pressures stated at 3.2 of this document must be achievable during normal operations.

This document is intended to provide the specialist cryogenics piping contractor with sufficient information to enable them to prepare a compliant tender submission for the engineering manufacture, delivery, installation and commissioning of the nitrogen supply system. Prospective vendors are strongly advised to visit the site in order to familiarise themselves with installation areas, prior to any submission.

The equipment specification and the following requirements should be considered to be the minimum acceptable standards. Should a particular installation require a variance from this documentation then written acceptance must be obtained from the client, prior to commencing any works on site.

Additional information: The section below will provide instructions on how to submit a bid for this procurement The instructions are as follows; UK Shared Business Services eSourcing as part of the strategic alliance between UK Shared Business Services Ltd (UK SBS) and Crown Commercial Service (CCS), UK SBS can use the CCS eSourcing Suite for future procurements.

If you have not yet registered on the eSourcing Suite, this can be done online at https://gpsesourcing.cabinetoffice.gov.uk by following the link 'Register for CCS eSourcing'.

Please note that, to register, you must have a valid DUNS number (as provided by Dun and Bradstreet) for the organisation which you are registering, who will be entering into a contract if invited to do so. Once you have registered on the eSourcing Suite, a registered user can express an interest for a specific procurement. This is done by emailing [email protected]. Your email must clearly state: the name and reference for the procurement you wish to register for; the name of the registered Bidder; and the name and contact details for the registered individual sending the email. Crown Commercial Service will process the email and then enable the Bidder to access the procurement online via the e-Sourcing Suite. The registered user will receive a notification email to alert them once this has been done. The Sourcing documents can then be accessed on the eSourcing Suite at: https://gpsesourcing.cabinetoffice.gov.uk using the instructions detailed in the Specification documents within Contracts Finder. As a user of the e-Sourcing Suite you will have access to Emptoris email messaging service which facilitates all messages sent to you and from you in relation to any specific RFX event.

Please note it is your responsibility to access these emails on a regular basis to ensure you have sight of all relevant information.

For technical assistance on use of the e-Sourcing Suite please contact Crown Commercial Service Helpdesk : Telephone: 0345 010 3503 Training documents to support Bidders utilise Emptoris CCS eSourcing are available in the Contracts Finder Tender documents section.