Dynamic Market for Process Safety Consulting & Maintenance

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