Notice Information
Notice Title
3023/JN - Dilution Refrigerator and Magnet System
Notice Description
The Department of Physics and Astronomy at The University of Sheffield, with funding from the Science and Technology Facilities Council (STFC) requires a dilution refrigerator and magnet system for use in a search for hidden sector dark matter. The dilution refrigerator will be appropriate for cooling a two-component payload, consisting of (i) An electromagnetic resonator, such as a conducting-wall resonant cavity; and (ii) Ultra-low-noise readout electronics in as close proximity as possible to the resonator, allowing them to be coupled together. The space for the electromagnetic resonator should be threaded by a static magnetic field of nominal magnitude 8T, The ultra-low-noise readout electronics should be in a magnetic-field-free region, with magnetic field exclusion achieved via a combination of a field compensation coil and passive normal-conducting and superconducting shields mounted in the bore of the compensation coil. The operating base temperature of the refrigerator should be not more than 10mK at the mixing chamber plate, where the cooling power should be at least 12 microwatts at 20mK and at least 400 microwatts at 100mK. The experiment will run cold and at with the magnetic field threading the cavity for at least 6 months at a time without need to be warmed up. The refrigerator should utilize mechanical pre-cooling to a sufficiently low temperature for the dilution refrigerator to operate, so that the only liquid cryogens that are required are the helium3/helium4 mixture in the closed cycle dilution refrigerator unit and some liquid nitrogen that may be required for a cold trap in the gas handling unit. The system should incorporate its own reliable control system and software for ease of control, and this control system should also be remotely operable from the data acquisition system of the experiment, via an appropriate cable interface. A schedule of tests required to demonstrate function upon delivery of the apparatus are supplied in the technical specification.
Lot Information
Lot 1
The Department of Physics and Astronomy at The University of Sheffield, with funding from the Science and Technology Facilities Council (STFC) requires a dilution refrigerator and magnet system for use in a search for hidden sector dark matter. The dilution refrigerator will be appropriate for cooling a two-component payload, consisting of (i) An electromagnetic resonator, such as a conducting-wall resonant cavity; and (ii) Ultra-low-noise readout electronics in as close proximity as possible to the resonator, allowing them to be coupled together. The space for the electromagnetic resonator should be threaded by a static magnetic field of nominal magnitude 8T, The ultra-low-noise readout electronics should be in a magnetic-field-free region, with magnetic field exclusion achieved via a combination of a field compensation coil and passive normal-conducting and superconducting shields mounted in the bore of the compensation coil. The operating base temperature of the refrigerator should be not more than 10mK at the mixing chamber plate, where the cooling power should be at least 12 microwatts at 20mK and at least 400 microwatts at 100mK. The experiment will run cold and at with the magnetic field threading the cavity for at least 6 months at a time without need to be warmed up. The refrigerator should utilize mechanical pre-cooling to a sufficiently low temperature for the dilution refrigerator to operate, so that the only liquid cryogens that are required are the helium3/helium4 mixture in the closed cycle dilution refrigerator unit and some liquid nitrogen that may be required for a cold trap in the gas handling unit. The system should incorporate its own reliable control system and software for ease of control, and this control system should also be remotely operable from the data acquisition system of the experiment, via an appropriate cable interface. A schedule of tests required to demonstrate function upon delivery of the apparatus are supplied in the technical specification.
Notice Details
Publication & Lifecycle
- Open Contracting ID
- ocds-h6vhtk-031c6d
- Publication Source
- Find A Tender Service
- Latest Notice
- https://www.find-tender.service.gov.uk/Notice/018163-2022
- Current Stage
- Award
- All Stages
- Tender, Award
Procurement Classification
- Notice Type
- Tender Notice
- Procurement Type
- Standard
- Procurement Category
- Goods
- Procurement Method
- Open
- Procurement Method Details
- Open procedure
- Tender Suitability
- Not specified
- Awardee Scale
- Large
Common Procurement Vocabulary (CPV)
- CPV Divisions
38 - Laboratory, optical and precision equipments (excl. glasses)
-
- CPV Codes
38000000 - Laboratory, optical and precision equipments (excl. glasses)
Notice Value(s)
- Tender Value
- £685,000 £500K-£1M
- Lots Value
- Not specified
- Awards Value
- Not specified
- Contracts Value
- £700,628 £500K-£1M
Notice Dates
- Publication Date
- 4 Jul 20223 years ago
- Submission Deadline
- 4 Apr 2022Expired
- Future Notice Date
- Not specified
- Award Date
- 27 Jun 20223 years ago
- Contract Period
- 5 Dec 2022 - 6 Dec 2022 30 days
- Recurrence
- Not specified
Notice Status
- Tender Status
- Complete
- Lots Status
- Cancelled
- Awards Status
- Active
- Contracts Status
- Active
Buyer & Supplier
Contracting Authority (Buyer)
- Main Buyer
- UNIVERSITY OF SHEFFIELD
- Contact Name
- James Noble
- Contact Email
- james.noble@sheffield.ac.uk
- Contact Phone
- Not specified
Buyer Location
- Locality
- SHEFFIELD
- Postcode
- S10 2TN
- Post Town
- Sheffield
- Country
- England
-
- Major Region (ITL 1)
- TLE Yorkshire and The Humber
- Basic Region (ITL 2)
- TLE3 South Yorkshire
- Small Region (ITL 3)
- TLE32 Sheffield
- Delivery Location
- TLE32 Sheffield
-
- Local Authority
- Sheffield
- Electoral Ward
- Broomhill and Sharrow Vale
- Westminster Constituency
- Sheffield Central
Further Information
Notice URLs
Open Contracting Data Standard (OCDS)
View full OCDS Record for this contracting process
The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.
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