GB-Edinburgh: Wartsila 4L20 Main Engine (SPEMOS) Upgrade
This sits in the upper-middle of the Repair & Maintenance band — a substantial contract for the sector. Based on 15,278 valued Repair & Maintenance tenders in our corpus.
1.2.NLV Pharos currently uses a SPEMOS (SpEed MOnitoring System), which is a proprietary relay system developed for Wartsila (Finland) engines to monitor engine speed, and perform several configurable relay functions.
In August 2023, Wartsila issued Technical Bulletin WS23T546, "Lifecycle status announcement, DESPEMES and SPEMOS speed monitoring system" (Annex A), which advised that the SPEMOS system is entering obsolescence.
See also Annex B: Technical Bulletin 2011T268, " Temperature monitoring system for balancing shaft bearings on W4L20 and WA4L20".
Annex C: Technical Bulletin WS23T644, "Lifecycle status announcement, Woodward 723 and 723 Plus speed control products".
NLB requires to protect its vessels from obsolescence, and therefore an upgrade is required to ensure future operability of the SPEMOS system.
Wartsila have advised that WSSS (Start/Stop Safety System) addresses the current SPEMOS obsolescence, plus safeguards against future obsolescence & includes the balancing shaft monitoring system for the 4L20's.
This upgrade also addresses the Woodward 723 obsolescence highlighted in bulletin WS23T644.
What the supplier must deliver
NLB requires to protect its vessels from
NLB requires to protect its vessels from obsolescence, and therefore an upgrade is required to ensure future operability of the SPEMOS system.
Derived from the notice text — always confirm against the original documents.
Make the case to bid
Reveal who to approach at Northern Lighthouse Board, and generate a go-to-market strategy from their news, accounts and people.
- OCID
- 06e54f7f-0165-45e9-868b-96d390a17d0a
- Stage
- contract · Contract
- Source
- Contracts Finder
- Buyer ref
- BIP886947551
Contains public sector information licensed under the Open Government Licence v3.0. Source data © Crown copyright.
Who wins this kind of work
The suppliers and buyers around this opportunity — drawn from official award data. Drag to orbit; click a node to explore.
Top suppliers & buyers in Repair & Maintenance
Assembling the market network…
Northern Lighthouse Board’s tender network
Assembling the network…
Similar open tenders
Provision of Electrical Maintenance, Upgrade, Inspection and Testing of Void Properties
Bolsover District Council
Engineering Vehicles (EV) - Heavy Overhaul of London Underground Switch Tilter (LUST) Wagons
Transport for London