Thames Barrier - Mirrlees Blackstone engines three-quarter life survey

Description

Provision of inspections and services, including replacing spares, to enable the engines to be suitable for a further 10-15 years period.<br/>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 with proof of conformity that all spare parts to be used are new or reconditioned if new are not available, by issue of Certificate of Conformity stating all parts are in accordance with the standard and specification required for their intended use in the Mirrlees Blackstone E type engine.<br/><br/>The opportunity is being administered on Defra’s e-tendering portal:<br/>https://defra-family.force.com/s/Welcome<br/>If you are interested in this tender, please register on the above portal, and confirm your interest by emailing to: lu.mao@defra.gov.uk, by 17:00, 21/01/2024.<br/><br/>Please note that any personnel who will deliver the works on site will be required to have a minimum of CTC (Counter Terrorist Check) clearance, prior to the award of the contract. Lot 1: 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.<br/>1. Nodal Damper Coupling (NDC) fluid level check<br/>2. Gearbox bearing and final alignment verification<br/>3. Cylinder Liner Nose O-ring Renewal<br/>4. Liner deglazing and Piston Ring Pack replacement<br/>5. Cylinder Head Decarbonising and Pressure Test<br/>6. Jacket Water Pump.<br/>7. Standard Service Procedures<br/>Within procedures 1 - 6 carry out standard service work to include:<br/>• Recalibration of fuel injectors (does not include nozzle replacement)<br/>• Pressure testing of internal fuel system<br/>• Renewal of lube oil filter elements (engine)<br/>• Renewal of lube oil filter elements (gearbox)<br/>• Renewal of fuel filter elements<br/>• Re-setting of exhaust valve tappet clearances<br/>• Visual Inspection of internal pipework<br/>• Visual Inspection of camshaft assembly and drive gear train<br/>• Visual Inspect all coolers and heat exchangers for external leakages<br/>• Operational check and adjustment of mechanical overspeed<br/>• Operational check and adjustment of decompression system<br/>• Renewal of all crankcase and camshaft door joints<br/>• Check and record crankshaft deflections<br/>• Measure and record crankshaft end float<br/>• Operational check and adjustment of internal and external fuel rack linkage<br/>• Operational check of engine and gearbox lube oil pre-prime system<br/>8. Recalibration of on engine sensors<br/>9. Re-commissioning / load test