Fuels. Delivery of F-34 AVTUR FSII into Authority-owned bowsers at HMS Gannett, in response to periodic demands made by the consuming Unit. The fuel must meet Defence Standard 91-87 (latest edition) with the exception of Annexes C and G and Table 1 Serial 10.1. With respect to Annex C, the MOD must receive fuel that is certified synthetics free. With respect to Annex G and Table 1 Serial 10.1, the Authority must receive fuel into storage with a conductivity which is between 100-600 pS/m. The Authority will conduct a pre-qualification exercise and a Pre-Qualification Questionnaire will be issued as described in para III.2 Conditions for Participation. The Contract for this requirement will be awarded based on the most economically advantageous tender as detailed in the Invitation To Tender (ITT). The Authority may use an Electronic Reverse Auction (ERA) to select the winning tender. Only tenders who provide a sufficiently high confidence level in their ability to fully meet the requirement at the ITT stage will proceed to the ERA and the tenderer that offers the lowest price at this stage will be awarded a Contract for the item under a framework agreement for a period of 34 months.