The TR document structure depends on the contract approach selected by the owner:

• Under a complete plant approach on a turnkey basis (NI + TI + BOP), it is sufficient to prepare one TR document, where the requirements can be organised as follows:

— General requirements (applicable to the NI, TI and BOP)

— NI technical requirements

— TI technical requirements

— BOP technical requirements.

• Under a split — or multi-package approach (e. g. NI, TI and BOP sepa­rate), preparing a specific TR document for each large package to be contracted separately (e. g. one for the NI, one for the TI and one for the BOP) results in a more practical and clearer procedure for the bidder. It is also possible to combine packages, for example in the case of BOP being contracted as part of the TI package, in which case a single document is prepared for both. Each of the separate TR documents should be self-standing, containing all the technical requirements appli­cable to the package, without need to refer to another TR document.