2019
Founded
About PSES
Process safety solutions that go beyond compliance.
Philosophy
Process safety should become part of organisational culture — not just documentation prepared for compliance.
Not
a file
Is
a practice
- 01
Mission
People, assets, community.
- 02
Vision
Safety as daily work.
- 03
Approach
Studies that land in the plant.
Independent
Consultancy
High-hazard
Industries
Why choose us
01
Experience
Seasoned process safety practice grounded in plant operations.
02
Innovation
Fresh methods applied to real operating constraints.
03
Tailored
Recommendations shaped around the facility, not a template.
04
Solvers
Hazards, barriers and latent failures worked through on site.
05
Partners
Long-term safety culture, not a one-off compliance file.
Leadership
Dhammika Welhenge
Chemical & Process Engineer · Managing Director
46 yrs
Industrial practice
1985
IESL Corporate Member
1980–2009
UoM lecturer
1979
Chemical & Process Engineer
University of Moratuwa. Initial training at Ceylon Petroleum Corporation, Sapugaskanda refinery.
- University of Moratuwa
- CPC Sapugaskanda
Plants
Operations and factory management
State Fertilizer Manufacturing Corporation ammonia/urea plant, then factory management of a sulfuric acid and alum plant.
- SFMC ammonia/urea
- Sulfuric acid & alum
Unilever
Country SHE Coordinator & Chief Engineer
Process engineering, plant management, Country Safety Health & Environment Coordinator and Chief Engineer, Unilever Sri Lanka.
- Process engineering
- Plant management
- Country SHE
Gas
HSE advisory to General Manager HSE
Advisory roles at Shell Gas Lanka and Litro Gas Lanka. General Manager HSE at Laugfs Gas PLC, including Front-End Engineering Design for the 30,000 MT LPG storage terminal.
- Shell Gas Lanka
- Litro Gas Lanka
- Laugfs Gas PLC
- 30,000 MT LPG FEED
1980–2009
University of Moratuwa
Visiting lecturer, Department of Chemical & Process Engineering. Later Senior Lecturer and Director, Industrial Training.
- Visiting lecturer
- Senior Lecturer
- Director, Industrial Training
2008
Executive Secretary
Institution of Engineers Sri Lanka.
- IESL
2019
Managing Director
Process Safety Expert Solutions (Pvt) Ltd.
- PSES
Accredited practice
DNV
Safety Program Auditor
Unilever APAC
Regional SHE Auditor
EMS
Auditor
DuPont
BBS Trainer
IESL
Corporate Member · 1985
Methods in practice
- HAZID
- HAZOP
- QRA
- LOPA
- SIL
- Bow-Tie
- PSSR
- Consequence modelling
Next step
Every safer operation starts with understanding the risk.
Talk to our process safety experts about your facility, operation, or project.