Replacement of ducting, fabrication of doors and panels, bellow replacement
The work that was performed on the vessel during dry dock was the following:
1.Replacement of 96 sections of galvanized ducting, in detail:
*Removal and disposal of old ducting
*Installation of the 96 sections of pre-fabricated galvanized ducting
*Application of one coating of epoxy paint inside the ducts
*Upon installation, system check for air leaks.
2.Fabrication & Installation of doors and panels, in detail:
*Removal and disposal of old damaged doors and panels
*Installation of the pre-fabricated galvanized doors with new handles
*Removal of the hot water pipes
*Installation of the new pre-fabricated galvanized panels
*Connection and repair of the hot water pipes in place
*System check for leaks
3.Bellow replacement on AC 19, AC34, AC 48, AC 52, AC59
4.Partial unit replacement AC 28, in detail:
*Removal of all the round ducts from the distribution boxes
*Removal of the old corroded distribution boxes
*Removal of the hot water lines and the heating coil
*Removal of the old discharge plenum module
*Installation of the new discharge plenum module
*Installation of the heating coil, water lines connection and test
*Installation of all the round ducts
5.Regotherm Separator wall repair of AC unit 41
6.Inlet floor replacement of AC unit 3
7.Installation of inserts and doublers on the floor of Fan room 504
8.Repair of the Crew galley exhaust trunk, in detail:
*Cutting the carbon steel trunk 500x500 (mm) to open a hatch for access
*Cutting two doublers and welding from the inside of the trunk
*Fabrication and installation of a hatch cover 550x550 (mm) of stainless steel 316, plate ¼”
*Opening of holes and installation of bolts for easy access and inspection
9.Replacement of the outlet of Exhaust Fan 33.3.11
10.Chiller water lines replacement on A/C 64, in detail:
*Removal and disposal of old pipes
*Installation of the new two way valve supplied by the owners
*Rerouting and welding all supply and return chiller water pipes
*Replacement of the drain valve of the chiller water pipes
*Installation of the temperature probes housing
11.Fabrication & Installation of ventilation trunks in the CO2 room.
