Harris Pye Singapore News Update November 2020 - 2

Harris Pye’s renowned expertise in boiler repairs for both the marine and offshore markets span beyond the confinements of working within the yards, especially with our recent successful boiler repair completions in both Singapore and China yards.

Going across our shores to Linggi, Malaysia; with the easing of the COVID-19 measures and pandemic, Harris Pye was tasked to conduct the boiler repairs for a Kangrim Type PB 40T/HR boiler with limited days in port whilst the main repair scope was being planned for the vessel’s voyage from Linggi to Fujairah Port, U.A.E.

On board the vessel commencing from Linggi port, the Harris Pye team mobilized all required manpower and material planned for the boiler repair with a detailed execution step-by-step plan verified with our esteemed client and operations crew. This was to ensure that all parties on board the vessel during the voyage were sufficiently prepared for the restrictions and obstacles faced for an outbound vessel boiler’s repair scope of work.

Spanning across a total of 27 days for the entire repair scope, HP informed our client that the 6 days spent in Linggi Port were to be without interruptions and interference to ensure material and manpower mobilization were adequately ready prior to vessel sail away scheduled for a 21-day voyage.

Mobilization of manpower into Linggi Port onboard the vessel with necessary approvals, material procurement, preparation and fabrication of the required tubes and refractory material progressed onward despite stringent travel, logistical arrangement of material movement and manpower restrictions across borders from our fabrication facility in Singapore.

Once again, having complete and succinct agreement on scopes and responsibilities from works in port and works to be done in situ during the sailing phase with our Client from the start allowed the HP team to trudge through an enduring 21 days completion sailing schedule with our signature approach of systematic and methodical boiler repair expertise as listed below:

Scope:

Renewal of boiler tube and refractory and full refurbishment of Kangrim Type PB 0301AS12 -40 Tons/ Hr boiler back into service in situ of vessel voyage.

Linggi Port Demolition Work:

Immediate mobilization of Harris Pye team & boiler repair equipment.

Commencement of burner removal and safe and secure isolation of the boiler from the current systems to be used during the vessel’s voyage.

Open access doors with sufficient water wash to ensure free from flammable substances.

Secure Work Permit for C/E and operations crew to give go ahead for vessel sail away.

Renewal (Cropping and Demolition) work:

Removal of insulation and cladding in way of renewal.

Removal of the outlet duct for tubes installation.

Crop out refractory.

Crop out the complete tubes and the down comer tubes from the boiler.

Prepare the tube holes for installation.

NDT for machined surface at tube plate by DPT method.

Renewal (Installation) work:

Lifting of the steam drum by 200mm by chain blocks with strict adherence to onboard safety permits and regulations.

Installation of all new tubes to position.

Lowering down of the steam drum into position.

Carrying out welding with Class certified welders welding in accordance with Class approved procedure.

Expansion of the tubes after welding

Installation of the membrane strips to join the membrane panels

Welding of the membrane strips

Carry out NDT for welded areas by MPI method.

Conducting hydrostatic pressure test as per client and Class requirements. – 1.5 x design pressure.

Install insulation & outlet duct with reinstallation of all required cladding.

Installation of the refractory with reinstatement of the manholes with new gaskets.

Client Acceptance and Release:

Handover the boiler to Client operations Crew.

All works were carried out to the satisfaction of the Supt., Chief Engineer and attending Class surveyor for demobilization and approval.

There were several instances during the voyage that due to weather conditions permitting, work was interrupted but with the brilliant collaboration of our diligent HP site team and the quick-response Operations Crew on board, work ensued smoothly as per the detailed execution plan without any hiccups much to our Client’s satisfaction. Well done team!