Main Scope: To fabricate and install Sponsons tanks built with Gondola structure incorporated with stern thrusters on either sides of the lift boat.
Timing: Dec 2017 – April 2018 (27/12/2017 –30/04/2018)
Class: BV
Major highlights: Completed within and as per the contract to full satisfaction of owner and BV, without being even a single first aid case reported.
Subsea7, UK contracted Albwardy Damen to fabricate and install Sponsons tanks built with Gondola structure incorporated with stern thrusters on either sides of the lift boat.
Works carried out:
Fabrication and installation of Sponson tank 140 T
Fabrication and installation of Sponson tanks with Gondola structure and new stern thrusters
Fabrication and installation of Bilge System , extension of all associated pipe line
Modification of the Main Switch Board by extending the Bus-bars and adding additional breakers, electrical cabling and hook-up of the thrusters including the installation of the VFD to power up the thrusters
Installation and integration of automation and control connections with the existing system
Carry out commissioning / functional tests / sea trials to the satisfaction of the owners, the representative from the makers of the thrusters and the Class.
Lifting second block of the sponson
Aft Leg tower modification
Fabrication and installation of aft tower structure to accommodate new planetary gearbox thereby increasing the jacking capacity to compensate the increase in the weight by the new Sponsons.
Installation of new planetary motor and extension of hydraulic connections
Fabrication / modification of platforms and access structures
Aft leg tower after modification
Fuel oil tank conversion jobs
Fabrication and installation of new FO tanks (steel job of 10 T approx.)
Fabrication and installation of associated piping, level sensors, sounding, new manholes, etc…
Air pressure testing of the new FO tanks to the satisfaction of the BV attending surveyor
Integration of filling and discharge lines with existing FO system
Convert the old FO tanks to storage spaces
FO tanks converted to Storage rooms
Other major fabrication jobs
Relocation of rescue boats and davits
Fabrication and installation of Helideck emergency escape access arrangement
Black, grey & drain line modifications
New Fifi monitoring system pipe routing and electrical cabling and modification of the MSB for the powering the new pumps.
FO air vents and sounding pipes modification and relocation
Fabrication and installation of new bases and access Platforms for additional reefer containers
Engine control room ducting modification
Fabrication and installation of new emergency anchor winch foundation and anchor resting arrangement
New emergency anchor installed
New FiFi monitors installed
Emergency escape access from the Helideck
Major mechanical jobs
Afloat removal of rudders , propellers and tail shafts, class survey and reinstallation
Top overhauling of generators and servicing of alternators
Removal and overhauling of 295 T SWL crane main hook
Overhauling of all overboard and dump valves
Installation of new life boat davit and life boats
Taking out the tail shaft
Assembling the life boat davits
Life boat installed on board
Crane main hook removing
Preload valves ceramic coated
Surface preparation and painting
Hydro-blasting and painting of complete hull including under water area during afloa
Power tooling and painting of all WB preload tanks (10 Nos.)
Grit blasting and painting of 4 Nos. fresh water tanks
Hydro-blasting and painting of Helideck
HP washing and painting from top to bottom of the vessel including all accommodation decks, superstructure and other outfitting
Hull after blasting & painting
Helideck blasted & painted
Fresh water tanks coated
Specialized jobs
Installation of aviation lights on top of the legs
Friction test of Helideck
Assembly and installation of new life boats with davits
Carry out 5 yearly load test of the main crane hook with 325 T SWL
Power tooling and painting on the crane booms using rope access
Leg markings( 3 Nos. legs) using rope access
Supply, installation and commissioning of 35 T hydraulic mooring winch driven by independent diesel driven HPU
Drop object survey and rectification of cranes using rope access
Design (including FEA) foundation for the new emergency anchor winch and anchor resting arrangement
Load testing of the crane
Legs marked
Crane booms painted
Helideck getting friction tested
New emergency anchor winch
Jobs at anchorage
Removal of sea fastening of the barges, CB 28 & CB 29 and Seven Inagha from the carrier vessel, Albatross
Steel renewal on the leg pads and cans
Supply and installation of 280 anodes on the leg pads and cans
Seven Inagha, CB 28 & Cb 29 arriving Hamriyah anchorage on board Albatros
Steel renewal on the leg pads