NLV Pharos Engine Overhaul

Descripción

Northern Lighthouse Board (NLB) have a requirement for an engine overhaul, their starboard fwd engine, on board the NLV Pharos.
NLV Pharos is a DP(AA) Buoy Tender, with a diesel electric power plant consisting of five Wärtsilä L20 Marine Engines. Three engines are 1440kW rated 8L20, with the remaining two being 720kW rated 4L20, one of which (Starboard FWD) being the subject of the following scope. This engine now requires a 40,000 hour major service, which is required to be overhauled by an experienced contract in January 2027.
Brief scope of works:
1.Preparatory & Ancillary Component Work
•Cylinder Heads: Prior to the installation of NLB-supplied reconditioned heads, replace the following items: rocker arm screws, yoke & adjusting nuts, and injection valve yoke tension screws.
•Fuel Equipment (Pre-Service / Ship's Staff): Fuel pumps and injectors will be removed by ship's staff prior to the Supplier’s arrival. Fuel pumps will be sent ashore for overhaul by a third party, and injectors will be overhauled by ship's staff. These components are scheduled to be back onboard and ready for reinstallation by the Supplier during the service period.
•Valves & Governor Components
2.Power Assembly & Mechanical Overhaul (Units 1–4)
•Bottom-End & Crankshaft:
•Pistons & Liners
•Main Bearings:
3.Pump & Ancillary Overhaul
•Strip, clean, and fit new consumable parts to the ship’s pumps
•Thermostats
•LO Cooler
•Exhaust
4.Reassembly, Measurements & Testing
•Reassembly & Adjustments – overhauled injectors and fuel pumps
•Required Measurements (Wärtsilä Record Sheets)
•Commissioning & Trials
All spare parts and consumables will be supplied by NLB for the overhaul.
Fuel details of all the above scope of works will be given in the full quote documents.
Estimated timeline
Quotation to be published on Delta – 13th November 2026
Submission closing date – 27th November 2026
Award – Early December 2026
Service works – Expected to be between 4th January 2027 and completion by 20th January 2026.
The service will be completed on board NLV Pharos, with onboarding and disembarkation to be on the east coast of Scotland. Accommodation and subsistence will be provided for the duration by NLB. Full tender documents can be accessed through Delta e-sourcing portal - https://nlb.delta-esourcing.com/ and submissions must be received by 2pm 27th November 2026.
For more information about this opportunity, please visit the eSourcing portal at:
https://nlb.delta-esourcing.com/tenders/UK-UK-Edinburgh:-Engines./4M3SZSJ5EM
To respond to this opportunity, please click here:
https://nlb.delta-esourcing.com/respond/4M3SZSJ5EM

Lotes

1. 1

   40.000 GBP

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