--- title: "Thames Barrier Mirrlees Blackstone Engines Three-Quarter Life Survey" ocid: "ocds-b5fd17-44c601a5-b0d3-40ae-b3c4-0af33010dd11" canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-44c601a5-b0d3-40ae-b3c4-0af33010dd11" markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-44c601a5-b0d3-40ae-b3c4-0af33010dd11.md" json_url: "https://d3tenders.com/contract/ocds-b5fd17-44c601a5-b0d3-40ae-b3c4-0af33010dd11.json" source: "Contracts Finder" current_stage: "Planning" buyer: "DEFRA NETWORK ETENDERING PORTAL" published: "2022-08-16" --- # Thames Barrier Mirrlees Blackstone Engines Three-Quarter Life Survey Buyer: DEFRA NETWORK ETENDERING PORTAL Current stage: Planning OCID: ocds-b5fd17-44c601a5-b0d3-40ae-b3c4-0af33010dd11 [View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-b5fd17-44c601a5-b0d3-40ae-b3c4-0af33010dd11) [Download OCDS JSON](https://d3tenders.com/contract/ocds-b5fd17-44c601a5-b0d3-40ae-b3c4-0af33010dd11.json) ## Summary The Defra Network eTendering Portal has initiated a tender for the Thames Barrier Mirrlees Blackstone Engines Three-Quarter Life Survey in the mechanical engineering services category. The procurement stage is planning, with an engagement end date of September 20, 2022. The survey will involve inspections, component overhauls, and service procedures to extend the engines' lifespan for another 10-15 years. The supplier must have expertise in ESL 16 twin bank engines and be CTC cleared. This tender presents an opportunity for businesses with a focus on mechanical engineering services, particularly those with experience in servicing ESL 16 twin bank engines. Small and medium enterprises (SMEs) are encouraged to participate. The location of the project is at the Thames Barrier in England, with the contract authority being the Defra Network eTendering Portal. Successful suppliers will need to provide spares promptly and have the necessary security clearance for the project. ## Notice 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 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. ## Key Details | Field | Value | | --- | --- | | Publication source | Contracts Finder | | Latest notice | https://www.contractsfinder.service.gov.uk/Notice/2c3a0f24-3f12-433b-9d04-13142645ea04 | | Notice type | Market Engagement Notice | | Procurement type | Standard | | Procurement category | Not specified | | Procurement method | Not Specified | | Procurement method details | Not specified | | Tender suitability | SME | | Awardee scale | Not specified | | All stages | Planning | ## Dates | Field | Value | | --- | --- | | Publication date | 16 Aug 2022 | | Submission deadline | Not specified | | Future notice date | 20 Sep 2022 | | Award date | Not specified | | Contract period | Not specified | | Recurrence | Not specified | ## Values | Field | Value | | --- | --- | | Tender value | Not specified | | Lots value | Not specified | | Awards value | Not specified | | Contracts value | Not specified | ## Status | Field | Value | | --- | --- | | Tender status | Planning | | Lots status | Not specified | | Awards status | Not specified | | Contracts status | Not specified | ## Buyer | Field | Value | | --- | --- | | Main buyer | DEFRA NETWORK ETENDERING PORTAL | | Locality | WORTHING, | | Post town | Brighton | | Postcode | BN11 1LD | | Country | England | | ITL 1 | TLJ South East (England) | | ITL 2 | TLJ2 Surrey, East and West Sussex | | ITL 3 | TLJ27 West Sussex (South West) | | Local authority | Worthing | | Electoral ward | Central | | Westminster constituency | Worthing West | | Delivery location | TLJ South East (England) | ## CPV Codes ### Divisions - 71 - Architectural, construction, engineering and inspection services ### Codes - 71333000 - Mechanical engineering services ## Release History - 16 Aug 2022 at 10:41 - Planning - Market Engagement Notice - https://www.contractsfinder.service.gov.uk/Notice/2c3a0f24-3f12-433b-9d04-13142645ea04 ## Documents - https://www.contractsfinder.service.gov.uk/Notice/2c3a0f24-3f12-433b-9d04-13142645ea04 16th August 2022 - Early engagement notice on Contracts Finder ## Provenance This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-b5fd17-44c601a5-b0d3-40ae-b3c4-0af33010dd11. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-44c601a5-b0d3-40ae-b3c4-0af33010dd11.json.