Thames Barrier - Mirrlees Blackstone engines three-quarter life survey

A Prior Information Notice
by ENVIRONMENT AGENCY (DEFRA NETWORK ETENDERING PORTAL)

Source
Find a Tender
Type
Future Contract (Services)
Duration
not specified
Value
___
Sector
INDUSTRIAL
Published
18 Dec 2023
Delivery
not specified
Deadline
n/a

Concepts

Location

London

Geochart for 1 buyers and 0 suppliers

Description

Provision of inspections and services, including replacing spares, to enable the engines to be suitable for a further 10-15 years period.The engineer/s working on the project must have in-depth knowledge of ESL 16 twin bank engines, with proven evidence of experience.

Total Quantity or Scope

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.1. Nodal Damper Coupling (NDC) fluid level check2. Gearbox bearing and final alignment verification3. Cylinder Liner Nose O-ring Renewal4. Liner deglazing and Piston Ring Pack replacement5. Cylinder Head Decarbonising and Pressure Test6. Jacket Water Pump.7. Standard Service ProceduresWithin 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 system8. Recalibration of on engine sensors9. Re-commissioning / load test

CPV Codes

  • 50532300 - Repair and maintenance services of generators

Indicators

Other Information

The successful supplier will provide spares when required, within a reasonable lead time, with proof of conformity that all spare parts to be used within the contract are new, unused genuine/OEM original supply by issue of Certificate of Conformity/Authenticity from OEM.The opportunity is being administered on Defra’s e-tendering portal:https://defra-family.force.com/s/WelcomeIf you are interested in this tender, please register your interest on the above portal, by 17:00, 21/01/2024.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.

Reference

Domains