Sri Lanka: Repaired Dredger Tridevi Prem Leaves Colombo Dockyard

Mercator Ltd, Mumbai India owned dredger MV. Tridevi Prem (7,058 DWT) called in for her major layup and drydocking repairs during April 2012. The main repair scope consisted of routine drydocking related repairs, during this call the dredger was accommodated in Dock No. 01 (30,000DWT) drydock for her extensive repairs.

The repair scope during this call included a wide spectrum of repairs:

  1. DRAG HEADS – Carry out extensive buildups, repairs and renewals
  2. DREDGE PUMPS – Buildups on the housings, overhauling of the pumps, overhauling of the pedestal bearing housings. Reconditioning of the port impellers and balancing.
  3. PROPELLER SHAFTS – Bedding of the port propeller, shaft seal overhaul, withdraw the tail shafts for inspection.
  4. RUDDERS – Carry out repairs on the port rudder skeg to eliminate misalignment, remove and refit rudders, withdraw rudder stocks and renewal of seals.
  5. BOTTOM DOORS – Renewal of studs, renewal of bottom door seals and securing rings, nuts and stainless steel rods.
  6. BOTTOM DOOR RAMS – Overhauling of 06 Nos. of rams
  7. CLEANING OF THE CENTER KEELSON – Complete center keelson cleaned for inspection. Totally 300 cum of mud and muddy water were disposed and 1820 sqm were scraped, high pressure washed and cleaned. New bottom opening had to be cut again.
  8. JET PUMP INSTALLATION – Renewed the pump with owner’s spares, modify the suction lines; renew sea suction filter strainer and housing, modifications to the existing pump bed.
  9. PUMP ROOM AND DECK SLUICE VALVE OVERHAUL – Renewal of buffer rings and retainer rings. Extra man hours spent on the overhaul as the owner supplied spares were incorrect.
  10. OVERFLOW DUCT REPAIRS – Steel renewals on the stationary and movable parts of the overflow duct pipes, overhauling and re chroming of overflow duct ram.
  11. BLASTING AND PAINTING – Blasting and painting of the hull and main deck hopper area.
  12. REMOVAL OF MUD FROM THE BOUYANCY CHAMBERS – 250 cum of mud removed from 06 buoyancy chambers and all chambers cleaned. 08 buoyancy chambers were cleaned for inspection. This caused complications for completing the for bottom door work. Side openings had to be cut for access and finally pressure testing also carried out.
  13. INSTALLATION OF NEW AIR COMPRESSORS – Air compressors (02 Nos) owner supplied.

The project was managed by Mr. Priyanka Cooray –Ship Manager, the Invoicing co-ordination was handled by Mr. A. Sarathchandra –Invoicing Engineer. The yards production teams worked tirelessly to meet the stringent deadlines and re-deliver the vessel on schedule to the owners.

During the drydocking call the owner / Managers interests were looked after by the attending superintendent Engineers Mr.Raj Gudela, Mr. Dayal Verakar from the Ship Management Ind- Aust Maritime Pvt.Ltd. and Mr. Vijay Arora representing the owners Mercator Ltd. The classification society Indian Register of Shipping represented in Sri Lanka requirements were also met by the yard during this call.

The Local Agents –GAC Shipping Ltd, provided the necessary husbanding services for the vessel during her stay in Colombo efficiently.

Shipbuilding Tribune Staff, June 1, 2012; Image: cdl

Share this article

Follow World Maritime News

Posted on June 1, 2012

In Depth>

Events>

<< Feb 2016 >>
MTWTFSS
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
29 1 2 3 4 5 6

PUMPS & VALVES 2016

The 16th edition of PUMPS & VALVES in co-location with Maintenance, 20 and 21 April 2016 in Antwerp expo, will present a complete overview of all the technologies and innovations in the field of industrial pumps, valves and seals.

The exhibition will feature industrial pumps, control valves, valves, seals, filters and filtration, processing equipment, piping & pipelines, services for industry, governmental agencies & pipeline operators.

Pumps and Valves’ second duo edition, co-located with Maintenance, enjoyed a solid 8% increase in visitors with a total of 5.492 visitors.

read more >

FPSO Europe Congress

Why Attend the 2nd Annual FPSO Europe Congress?
Discover how FPSO leaders are embracing the new realities of a low oil price environment – what are the strategies to adopt in pursuit of viable economical FPSO projects?…

read more >

Port & Terminal Technology Conference & Exhibition 2016

MCI Media Limited are hosting the 8th International Port & Terminal Technology Conference & Exhibition in Charleston, SC.

This year, we are delighted to welcome South Carolina Ports Authority as official supporters.

Having established itself as a “must-attend” key industry event, Port & Terminal Technology will deliver an informative and technical conference programme complemented by an impressive line-up of industry experts.

Exploring the latest developments, issues, trends and technology affecting ports and terminals around the globe, the conference will provide delegates an invaluable learning opportunity as well as an excellent platform for discussion, debate and networking.

Port & Terminal Technology is specially designed for representatives from operations, maintenance and engineering from port authorities, terminal operators, consultancy firms, dredging contractors, maritime construction firms and suppliers of cargo handling equipment and those involved in the effective development and operation of container ports and terminals.

The conference is complemented by an intimate exhibition, comprising a select handful of elite market leaders, enabling companies to reach a niche target audience, showcase their products and network with potential, new and existing clients.

read more >

World Water Works 2016

Rising sea levels, ever-larger container ships, increased pressure on the accessibility of ports and waterways and the associated infrastructural requirements are all global problems.

The time is ripe for sustainable solutions which are both financially feasible and ecologically responsible.

Conference and exhibition

The two-day international hydraulic engineering conference and exhibition World Water Works on 23 and 24 March 2016 at Antwerp Expo brings together science, industry practices and trends related to:

– Hydraulic engineering
– Accessibility of ports and waterways
– Coastline and shoreline projects
– The construction of bridges, locks and tunnels
– Future offshore sea ports

read more >