Source: https://tendernation.io/opportunities/01a13c8f-a65c-73b5-a446-76acaf1f09ea/thames-barrier-mirrlees-blackstone-engines-three-quarter-life-survey pending GB open procedure Suitable for SMEs # Thames Barrier Mirrlees Blackstone Engines Three-Quarter Life Survey [Defra Network eTendering Portal](https://tendernation.io/buyers/defra-network-etendering-portal) Often single bidder Estimated value Not stated Published 16 Aug 2022 Deadline Rolling deadline ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender The three Mirrlees Blackstone engines (ESL16 twin bank engine) installed at Thames Barrier are fast approaching their anticipated three- quarter life survey . The following inspections and component overhaul are proposed , in order to enable the engines to be suitable for a further 10-15-year period. - Nodal Damper Coupling (NDC) fluid level check - Gearbox bearing and final alignment verification - Cylinder Liner Nose O-ring Renewal - Liner deglazing and Piston Ring Pack replacement - Cylinder Head Decarbonising and Pressure Test - Jacket Water Pump. - Standard Service Procedures Within procedures 1 - 6 carry out standard service work to include: - Recalibration of fuel injectors (does not include nozzle replacement) - Pressure testing of internal fuel system - Renewal of lube oil filter elements (engine) - Renewal of lube oil filter elements (gearbox) - Renewal of fuel filter elements - Re-setting of exhaust valve tappet clearances - Visual Inspection of internal pipework - Visual Inspection of camshaft assembly and drive gear train - Visual Inspect all coolers and heat exchangers for external leakages - Operational check and adjustment of mechanical overspeed - Operational check and adjustment of decompression system - Renewal of all crankcase and camshaft door joints - Check and record crankshaft deflections - Measure and record crankshaft end float - Operational check and adjustment of internal and external fuel rack linkage - Operational check of engine and gearbox lube oil pre-prime system - Recalibration of on engine sensors - Re-commissioning / load test The engineer/s working on the project must have in-depth knowledge of ESL 16 twin bank engines, with proven evidence of experience. The successful supplier will provide spares when required, within a reasonable lead time. The preferred supplier must be CTC (counter terrorist check) cleared prior to contract award. Read full description ## CPV classification Mechanical engineering services Source Contracts Finder (UK) [View official notice](https://www.contractsfinder.service.gov.uk/notice/44c601a5-b0d3-40ae-b3c4-0af33010dd11) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. 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