Section one: Contracting authority
one.1) Name and addresses
ENVIRONMENT AGENCY (Defra Network eTendering Portal)
Seacole Building, 2 Marsham Street
London
SW1P 4DF
Country
United Kingdom
Region code
UK - United Kingdom
Internet address(es)
Main address
https://www.gov.uk/government/organisations/department-for-environment-food-rural-affairs
Buyer's address
https://defra-family.force.com/s/Welcome
one.3) Communication
Additional information can be obtained from the above-mentioned address
one.4) Type of the contracting authority
National or federal Agency/Office
one.5) Main activity
Environment
Section two: Object
two.1) Scope of the procurement
two.1.1) Title
Thames Barrier - Mirrlees Blackstone engines three-quarter life survey
two.1.2) Main CPV code
- 50532300 - Repair and maintenance services of generators
two.1.3) Type of contract
Services
two.1.4) Short 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. 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/Welcome
If 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.
two.1.6) Information about lots
This contract is divided into lots: No
two.2) Description
two.2.2) Additional CPV code(s)
- 50532300 - Repair and maintenance services of generators
two.2.3) Place of performance
NUTS codes
- UK - United Kingdom
two.2.4) Description of the procurement
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 check
2. Gearbox bearing and final alignment verification
3. Cylinder Liner Nose O-ring Renewal
4. Liner deglazing and Piston Ring Pack replacement
5. Cylinder Head Decarbonising and Pressure Test
6. Jacket Water Pump.
7. 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
8. Recalibration of on engine sensors
9. Re-commissioning / load test
two.3) Estimated date of publication of contract notice
1 March 2024
Section four. Procedure
four.1) Description
four.1.8) Information about the Government Procurement Agreement (GPA)
The procurement is covered by the Government Procurement Agreement: No