Back

CASE STUDIES


Breaking of a cold water pipe at Ambatovy Nickel plant


Madagascar
Toamasina


Detailed description of the operations carried out

Further to  the breaking of the cold water pipe at  Ambatovy Nickel plant, the SEANERGY OI team conducted the following steps:

 

  • Cutting, disconnection and lifting the old section (300 m, 330 tons)
  • Launching of the new section, implementation of lift bags
  • Casting of new section and connection to the rest of the pipe despite significant swell conditions through an innovative procedure established by SEANERGY OI.BE (engineering design department)

 

Description of main tools/resources mobilized

  • 8 hookah diving equipment
  • 50 MBU 5 t (soft shell)
  • Tug, Diving Support

Duration

3 months

Team

11 operatives-divers and supervisors + 6 logisticians on shore

Specific environment-related requirements

Unprecedented operation. Ambatovy significant gains in terms of costs with the introduction of light resources, compared to a conventional solution which would have required substantial marine resources.

Results

Successful operation, deadlines met.