4. OPTIONS  Item Requirement Compliance of the Equipment with  the concerned requirement(s)  Yes/No?  Comments and/or additional  information regarding the  compliance of the Equipment  with the concerned  requirement(s)  I  Ability of the equipment to produce de-ionised water at three  resistivities namely higher than 0.1, 1 and 10 M Ω cm $^{-1}$. II  Ability of the equipment to test cells and stack at 50 bar pressure.  III  Ability of the equipment to test AAEM cell/stack with diluted caustic  solution (e.g. 0.1 M KOH) including pH control in the recirculation  loop.  IV  On-site operator training (on JRC request during stage 2) – 3 days  V  On-site operator training (on JRC request during stage 2) - 2 days.  Options are qualitative or quantitative extras, ancillary to the main purchase, and which are optional for the contracting authority - it has  the right to buy them or not – but not to the tenderers, who have to include them in their technical and financial tender. Failure to do so  will lead to tender rejection. For specifications, standards, brand names, processes or formats named in these specifications, unless otherwise specified, equivalent objects shall  be accepted. It shall be for the contractor to justify this equivalence.  TS-JRC/PTT/2021/CNP/0763  7 