ADVANCED SUBSEA’s Deepwater Subsea Construction Support Services are based on 2 full DP2 vessels : Miss Clementine and Miss Marie, equipped with large deck space, 40 ton crane and large accomodation capabilities (56p). It is dedicated to Oil&Gas Companies and Installation, Construction Contractors and is available in West Africa.

Construction Support & Survey Services
Advanced Subsea  is currently offering full Survey Construction Support Services for DeepWater projects ? West Africa on the base of 2 full DP2 Vessels with 40 tons crane, large deck space, high accomodation capabilities (50). ROV and Survey spread to be specified depending on Project requirement .

Vessel Specification:
Built 1998 ? LOA 75m ? Beam 18.3m - Draft 4m - Deck cargo space 631sq.meter+2 nos. cable tanks ? Accomodation 56 persons.
Classification ABS+A1E+AMS+DPS2
Kongsberg SDP21 DP System + 4 point mooring
Main Crane Macgregor Hagglunds : Boom 26m
Main Hook 40T @ 3.6 to10m ? Auxiliary Hook 15.6T @ 3.6 to 26 m

Scope of Operations :
- Light construction activities : structures/cable/ umbilical
- Metrology and jumper installation
- ROV construction support and Surveys (pre-survey/ as-built)
- LBL positioning support
- Pigging/ Gauging/ Testing

We provide:
- Submeter GcGPS/ DGPS-Various L/USBL acoustic systems - DP interfacing - Deep water WorkROV spread - ROV sensors interfacing - EHF/MF/LF LBL acoustic systems - Ultra-long Hybrid LBL array positioning Methods - Underwater GPS based positioning methods - Hybrid metrology services based on HM-Tool © - Various ROV based Piles/ Templates metrology methods - AUV based Construction Support (under development)
- Construction Support Experts from the very beginning of the project, - Senior surveyors for Positioning/ Survey procedures and operations - Subsea engineers for ROV/ subsea procedures - Construction support Superintendant for managing Vessel offshore operations.