Maintenance of submarine high-voltage cable links

LOT-0001

Curative maintenance of submarine HV cable links (Marine Operations) [000356]

This curative maintenance shall encompass the means and personnel necessary to perform the Marine Operations scope which comprises: 1) Repair preparedness and repair engineering activities; 2) Project, quality and HSE management throughout all preparedness, engineering and repair activities; 3) Repair activties, including: a) Mobilisation of the Contractor with the required repair vessel(s), personnel and equipment in a timeframe to minimise the asset down-time (to be specified at Tender stage). Dedicated vessel(s) on stand-by is not expected. Repair equipments shall be adapted to perfom cable repair (for cable technology among which: single tripolar HVAC cable or 3 cables bundled (1 FO + 2 x unipolar power cables), b) Overall scope of cable repair, including: i. pinpointing fault location, ii. related surveys, iii. cable system spare load out at storage facility located in French harbors, iv. cable deburial and cutting, cable handling, recovery, laying, v. repair joint deployment, cable and repair joint, vi. burial and protection of repaired cables, vii. monitoring along the repair operations, viii. design and installation of protection by rock berm in case of repair/remedial works; c) Specific activities related to cable repair at Landfall and at the Offshore Platform (including mobilisation and demobilisation of required equipment onshore or at the Offshore Platform, and cable pull-in activities); 4) Regular/annual desktop exercise – rehearsal of a repair scenario; 5) Where/if required, preventive maintenance on export cable (including dynamic sections ) and accessories; 6) Any additional works among including (but not limited to) marine growth removal on dynamic cables, Crew transfer, guard vessel, ... The scope of works/services to be published during further Tender will specify the mandatory and optional activities. The jointing operation is excluded from this scope of work. The scope of works/services to be published during further Tender will specify the mandatory and optional activities. The key parameters from the anticipated cables considered under this contract are presented in 'Tab 1.a. Submarine HV cable links' of the PQQ. Indicative Tender schedule is available in 'Tab.8. Indicative Tender timeline' of the PQQ. The Tender shall not be divided into lots. The duration of the Contract shall be as per below: - Initial period of four (4) years, - Optional three (3) extensions of one (1) year each.