Please see tender documents for further detail. These can be found on the ProContract e-tendering portal:
https://procontract.due-north.com/Advert?advertId=ef6becf9-e7e5-ee11-8127-005056b64545
You will need to register as a supplier to gain access to the tender documentation. Registration is free.
The procurement documents are available for unrestricted and full direct access, free of charge, at https://procontract.due-north.com/Advert?advertId=ef6becf9-e7e5-ee11-8127-005056b64545