Tender

X-ray source

UNIVERSITY OF EDINBURGH

This public procurement record has 1 release in its history.

Tender

14 Jan 2026 at 00:00

PCS Notice - Website Contract Notice
Summary of the contracting process

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Notice Information

Notice Title

X-ray source

Notice Description

The School of Geosciences, University of Edinburgh hosts a bespoke cone-beam X-ray microtomography instrument which was designed and constructed in-house. This tendering process is to acquire a replacement X-ray source for that instrument. Both open microfocus X-ray source(s) with active vacuum pumping and closed X-ray tube types will be considered. This tender request is for the provision and commissioning of an X-ray source and its essential ancillary equipment. Physical integration of the source into our existing X-ray microtomography instrument will be completed in-house. The Edinburgh instrument is housed in an interlocked, shielded room - while there are few restrictions on space, the requested technical details include the dimensions of the X-ray source(s) and support equipment to permit estimation of the footprint required. Integration of the X-ray source control software with the data acquisition software of our microtomography instrument is not required. The tendering, commissioning and integration of the source into our existing microtomography instrument will be subject to consultation with and approval by the University's Radiation Safety Officer.

Lot Information

Lot 1

Critical Criteria - these criteria must be met by a successful tender. 1) The X-ray source(s) must be a dual illumination (a transmission source and a reflection source) solution, either by means of a single unit with exchangeable tube heads or through the provision of discrete transmission and reflection sources. 2) The X-ray source(s) must be suitable for use in X-ray microtomography applications (imaging of geological, engineered and some biological materials). 3) The X-ray source(s) must produce a continuous (i.e. not pulsed) X-ray beam suitable for use in Cone-beam X-ray microtomography. 4) The X-ray energy range produced by the source must have a maximum energy not exceeding 160 keV. 5) A dual illumination (transmission and reflection) solution, with all control electronics, high voltage generator, control computer, control software (perpetual license) and all other essential ancillary equipment (e.g. vacuum pumps, cooling units) for the operation of the source(s) is required. 6) The source(s), control electronics and other ancillary equipment must be able to be powered from a single phase 230 V, 50 Hz supply (i.e. the standard UK mains electricity supply). 7) Housing for control electronics (e.g. 19" racking) should be provided as necessary. 8) Commissioning of the source(s) by a service engineer and training in the operation and user serviceable maintenance of the x-ray source is required. 9) In our application the source(s) must be able to illuminate a 20 x 20 cm flat panel X-ray camera at source to camera distances of between 50 cm and 150 cm. Desirable criteria 1) Energy adjustment steps of the order of 1 keV increments and target current adjustment steps of the order of 5 uA increments (or better) are preferred. 2) It is desirable that the focal spot size is as small as possible for a given power level. 3) It is desirable that the source can be serviced by the user. Dimensional limitations - It is anticipated that the X-ray source (not including any separate generators and/or control electronics) will not exceed 70 kg and, for installation purposes, all components of the package will fit through access doorways of 120 cm width and 200 cm height. - The University takes no liability if it is subsequently found the supplier solution cannot fit in the available site area. In such case the University may rescind the award and award to the next ranked supplier. - Giving reasonable notice (and subject to any submission deadline) suppliers may request the opportunity to conduct a single site survey prior to submitting their bid and/or finalising the contract post-award, providing the University and Supplier can agree a mutually convenient date and time. We encourage suppliers to take this opportunity. Removal of prior device It is desirable that the Bidder offers to take away the existing X-Ray source for recycling. In this case they should specify any trade-in value or cost associated with this in the relevant optional box in Schedule 4 - Pricing.

Options: The University may buy services, spare and consumables related to the X-Ray equipment from the awarded supplier utilising the Negotiated Procedure Without Prior Call for Competition.

Renewal: Initial term reflects expectation on initial minimum warranty period. University may extend this contract by a year or multiples of a year up to a total duration of 8 years from order placement.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-r6ebe6-0000820666
Publication Source
Public Contracts Scotland
Latest Notice
https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=JAN547222
Current Stage
Tender
All Stages
Tender

Procurement Classification

Notice Type
PCS Notice - Website Contract Notice
Procurement Type
Standard
Procurement Category
Goods
Procurement Method
Open
Procurement Method Details
Open procedure
Tender Suitability
Not specified
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

33 - Medical equipments, pharmaceuticals and personal care products

CPV Codes

33111000 - X-ray devices

Notice Value(s)

Tender Value
£208,000 £100K-£500K
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
14 Jan 20261 months ago
Submission Deadline
28 Jan 2026Expired
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
Not specified - Not specified
Recurrence
Not specified

Notice Status

Tender Status
Active
Lots Status
Active
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
UNIVERSITY OF EDINBURGH
Contact Name
Not specified
Contact Email
jpike2@ed.ac.uk
Contact Phone
+44 1316502759

Buyer Location

Locality
EDINBURGH
Postcode
EH1 1HT
Post Town
Edinburgh
Country
Scotland
Major Region (ITL 1)
TLM Scotland
Basic Region (ITL 2)
TLM1 East Central Scotland
Small Region (ITL 3)
TLM13 City of Edinburgh
Delivery Location
TLM75 City of Edinburgh
Local Authority
City of Edinburgh
Electoral Ward
City Centre
Westminster Constituency
Edinburgh East and Musselburgh

Further Information

Notice Documents

  • https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=JAN547222
    X-ray source - The School of Geosciences, University of Edinburgh hosts a bespoke cone-beam X-ray microtomography instrument which was designed and constructed in-house. This tendering process is to acquire a replacement X-ray source for that instrument. Both open microfocus X-ray source(s) with active vacuum pumping and closed X-ray tube types will be considered. This tender request is for the provision and commissioning of an X-ray source and its essential ancillary equipment. Physical integration of the source into our existing X-ray microtomography instrument will be completed in-house. The Edinburgh instrument is housed in an interlocked, shielded room - while there are few restrictions on space, the requested technical details include the dimensions of the X-ray source(s) and support equipment to permit estimation of the footprint required. Integration of the X-ray source control software with the data acquisition software of our microtomography instrument is not required. The tendering, commissioning and integration of the source into our existing microtomography instrument will be subject to consultation with and approval by the University's Radiation Safety Officer.

Open Contracting Data Standard (OCDS)

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