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| Source: | Find a Tender Service (FTS) |
| Notice Type: | Tender notice |
| Buyer: | Wessex Water Services Ltd |
| Main Category: | Services |
| Procurement Method: | Dynamic market |
| Tender Status: | Open |
| Estimated Value (ex. VAT): | Not specified |
| Release Date: | 2 July 2025 |
| Application Deadline: | — |
| Procurement ID (OCID): | ocds-h6vhtk-055759 |
| Notice Reference: | 036688-2025 |
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| Framework start: | — |
| Status: | Pending |
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Wessex Water has five sites with the capability for biomethane gas production through anaerobic digestion (and in some cases food waste) with the ability for gas exportation off site. This entails consultancy and maintenance work more traditionally found in the gas / energy sector rather than the water sector. We're seeking suppliers with the relevant expertise to support our requirements in these areas: • Lot 1: Process Engineering & Process Safety Consultancy • Lot 2: DSEAR / Safety Critical Maintenance
This Lot will create a pool of suitably qualified suppliers that will be invited to bid for consultancy work in the following areas (non-exhaustive): • Formal Process Safety Assessment Studies (FPSA), Hazard Identification (HAZID), Hazard & Operability Study (HAZOP), Layer of Protection Analysis (LOPA), Human Factor Studies, Quantitative Risk Assessment (QRA), Functional Safety (1-5) stages, Occupied Building Risk Assessment (OBRA, Failure Mode & Effects Analysis (FMEA) • Gas detection systems (including location) • Consequence Modelling • Dangerous Substances & Explosive Atmosphere Regulations (DSEAR) risk assessments • Review/update Hazardous Area classification (HAC) • Hazardous Area Drawings (HACs) • High pressure gas pipework design including TD/12 • Process design requirements including propane, methanol, oxygen, biogas, chlorine, and pyrolysis • Plant performance diagnosis • Gas bag and flare systems • Biomethane injection
This Lot will create a pool of suitably qualified suppliers that will be invited to bid for consultancy work in the following areas (non-exhaustive): • ATEX (Explosive Atmospheres) Equipment & SR/25 Modification Assessment • Working in DSEAR zones • Dangerous substances & Explosive Atmosphere Regulations (DSEAR) risk assessments • Detailed/update P&ID drawings, detailed GA Drawings, Plant Layout drawings • Gas quality sampling and monitoring • Routine inspections of ATEX equipment • LEV/MEV-Ventilation systems review • Review Gas detection system
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