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PROCUREMENT OPPORTUNITY

Dynamic Market for Process Safety Consulting & Maintenance

Wessex Water Services Ltd · Dynamic market intention notice on Find a Tender

Tender information last checkedLast checked 30 Sept 2026, 05:15.

Opportunity overview

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

Classification

  • CPV45259000 — Repair and maintenance of plant
  • CPV50000000 — Repair and maintenance services
  • CPV71317000 — Hazard protection and control consultancy services
  • CPV71323000 — Engineering-design services for industrial process and production
  • CPV71621000 — Technical analysis or consultancy services
  • CPV71630000 — Technical inspection and testing services

Lots

  • Process Engineering & Process Safety ConsultancyValue not stated
  • DSEAR / Safety Critical MaintenanceValue not stated

Documents and notices

Published notice details

Additional information from the published procurement release. Fields appear only when supplied by the source; check the original notice and tender documents before acting.

Scope, procedure and submissions

Id
UDM.1
Status
active
Procurement Method
open
Main Procurement Category
services
How to submit
Bidders must register on https://wessexwater.bravosolution.co.uk. An account must be created and successfully assessed as 'Registration Criteria Met' as the first step in qualifying for the Dynamic Market. Access to the PQQ is then possible where bidders can complete their application.
Procurement Method Details
Dynamic market

Covered By

GPA

Legal basis

Id
2023/54
Scheme
UKPGA

Techniques

Has Dynamic Purchasing System
Yes

Framework Agreement

Type
open
Buyer Categories
Wessex Water Services Ltd., YTL Construction (UK) Ltd., YTL Infrastructure (UK) Ltd., YTL Plant & Fleet Solutions (UK) Ltd.

Period

Starts
8 Aug 2025, 23:59
Duration In Days
9999999

Buyer Location Restrictions

Entry 1

Gazetteer

Scheme
GB-ITL

Identifiers

UKK12

Buyer Classification Restrictions

Entry 1
Id
utilities

Dynamic Purchasing System

Status
pending

Tender Period

Duration In Days
9999999

Communication

Future Notice Recipients
Members only

Special regime

utilities

Submission terms

Electronic Submission Policy
allowed

Participation Fees

Entry 1
Id
ocds-h6vhtk-055759
Description
None

Type

submission

Lots and requirements

Entry 1
Id
Lot 1
Title
Process Engineering & Process Safety Consultancy
Status
active
Description
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

Suitability

Sme
Yes

Selection criteria

Criteria

Criterion 1
Type
economic
Description
As described in the PQQ documents and Jaggaer / Bravo onboarding process.
Verification Method
As described in the PQQ documents and Jaggaer / Bravo onboarding process.
Criterion 2
Type
technical
Description
Full details of requirements are listed in the PQQ documents, but include technical expertise in gas / biogas / toxic gas and the application of: - Inherently safer design ISrD - Identification of major accident hazards - Application and demonstration of ALARP, for example expertise in the following areas: Functional Safety IEC 61508 and 61511 and Machinery Safety BS13849
Verification Method
Responses will be assessed by suitably experienced staff.
Entry 2
Id
Lot 2
Title
DSEAR / Safety Critical Maintenance
Status
active
Description
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

Suitability

Sme
Yes

Selection criteria

Criteria

Criterion 1
Type
economic
Description
As described in the PQQ documents and Jaggaer / Bravo onboarding process.
Verification Method
As described in the PQQ documents and Jaggaer / Bravo onboarding process.
Criterion 2
Type
technical
Description
Full details of requirements are listed in the PQQ documents, but include technical expertise in gas / biogas / toxic gas in the context of DSEAR and safety critical maintenance.
Verification Method
Responses will be assessed by suitably experienced staff.

Items and delivery

Item 1
Id
Lot 1
Related Lot
Lot 1

Delivery locations

Entry 1
Region
UKK
Country
GB
Country Name
United Kingdom

Additional Classifications

Entry 1
Id
71317000
Scheme
CPV
Description
Hazard protection and control consultancy services
Entry 2
Id
71323000
Scheme
CPV
Description
Engineering-design services for industrial process and production
Entry 3
Id
71621000
Scheme
CPV
Description
Technical analysis or consultancy services
Item 2
Id
Lot 2
Related Lot
Lot 2

Delivery locations

Entry 1
Region
UKK
Country
GB
Country Name
United Kingdom

Additional Classifications

Entry 1
Id
45259000
Scheme
CPV
Description
Repair and maintenance of plant
Entry 2
Id
50000000
Scheme
CPV
Description
Repair and maintenance services
Entry 3
Id
71630000
Scheme
CPV
Description
Technical inspection and testing services

Published documents

Entry 1
Id
conflictOfInterest
Description
Not published
Document Type
conflictOfInterest
Entry 2
Id
036688-2025
Format
text/html
Notice Type
UK13
Description
Dynamic market intention notice on Find a Tender
Document Type
tenderNotice
Published
2 Jul 2025, 10:58

Buyer, suppliers and contacts

Organisation 1
Id
GB-COH-2366648
Name
Wessex Water Services Ltd

Roles

buyer

Address

Region
UKK12
Country
GB
Locality
Bath
Postal Code
BA2 7WW
Country Name
United Kingdom
Street Address
Claverton Down

Details

Classifications

Entry 1
Id
privateUtility
Scheme
UK_CA_TYPE
Description
Private utility

Identifier

Id
2366648
Scheme
GB-COH

Contact

Name
Jim Stevens

Additional Identifiers

Entry 1
Id
PPVH-1185-WPZP
Scheme
GB-PPON
Organisation 2
Id
GB-COH-14897501
Name
YTL CONSTRUCTION (UK) LIMITED

Roles

buyer

Address

Region
UKK12
Country
GB
Locality
Bath
Postal Code
BA2 7WW
Country Name
United Kingdom
Street Address
Operations Centre Claverton Down Road

Details

Classifications

Entry 1
Id
privateUtility
Scheme
UK_CA_TYPE
Description
Private utility

Identifier

Id
14897501
Scheme
GB-COH

Contact

Additional Identifiers

Entry 1
Id
PDTX-1969-LHCP
Scheme
GB-PPON
Organisation 3
Id
GB-COH-15881749
Name
YTL INFRASTRUCTURE (UK) LIMITED

Roles

buyer

Address

Region
UKK12
Country
GB
Locality
Bath
Postal Code
BA2 7WW
Country Name
United Kingdom
Street Address
Operations Centre Claverton Down Road

Details

Classifications

Entry 1
Id
privateUtility
Scheme
UK_CA_TYPE
Description
Private utility

Identifier

Id
15881749
Scheme
GB-COH

Contact

Additional Identifiers

Entry 1
Id
PMQL-5154-JBDL
Scheme
GB-PPON
Organisation 4
Id
GB-COH-15881830
Name
YTL PLANT AND FLEET SOLUTIONS (UK) LIMITED

Roles

buyer

Address

Region
UKK12
Country
GB
Locality
Bath
Postal Code
BA2 7WW
Country Name
United Kingdom
Street Address
Operations Centre Claverton Down Road

Details

Classifications

Entry 1
Id
privateUtility
Scheme
UK_CA_TYPE
Description
Private utility

Identifier

Id
15881830
Scheme
GB-COH

Contact

Additional Identifiers

Entry 1
Id
PMVT-6629-ZYYQ
Scheme
GB-PPON
Organisation 5
Id
GB-PPON-PDTX-1969-LHCP
Name
YTL CONSTRUCTION (UK) LIMITED
Role Details
Central procurement function

Roles

procuringEntity
processContactPoint

Address

Region
UKK12
Country
GB
Locality
Bath
Postal Code
BA2 7WW
Country Name
United Kingdom
Street Address
Operations Centre Claverton Down Road

Identifier

Id
PDTX-1969-LHCP
Scheme
GB-PPON

Contact

Recorded locations

  • Buyer location · Bath · UKK12 · BA2 7WW · United Kingdom
  • Delivery location · UKK · United Kingdom

Notice and amendment history

1 published notice version reviewed by ProcuraAxis.

1 VERSION
  1. ocds-h6vhtk-055759-2025-07-02T10:58:31+01:00Dynamic market intention notice on Find a Tender ·