People and Associates


Tim Callan: Principal Consultant


Bachelor of Engineering (Hons) (Mechanical Engineering)
Master of Engineering (Thermodynamics)
Certified Functional Safety Expert
IChemE Certificates HAZOP for Team Leaders, LOPA
Member - DVGW, IChemE, VDI

Skills and Experience:

Thirty-two years experience as a consultant in industrial, power generation and pipeline sectors. Responsible for planning, construction and commissioning of industrial plant, within the last 28 years focusing on pipelines and associated installations in the oil and gas industry. Chairman of over 40 HAZID, HAZOP, SIL and LOPA studies, as well as preparation of SIL-Verification and QRA reports.

As project manager for pipeline projects, responsible for engineering budgets of over 5 Million Euro per year and projects with up to 1 Billion Euro investment cost. Project experience in Albania, AustraliaAustria, Azerbaijan, Bulgaria, China, Czech Republic, Georgia, Germany, Greece, Italy, Kazakhstan, Lithuania, New Zealand, Nigeria, Oman, Pakistan, Saudi ArabiaTurkey, UAE, UK, USA.

Established Callan Consultants Ltd in 1997, providing risk management services in the oil & gas, power generation and industrial sectors. Established PipeSystemConsult GmbH in 2007.


Pipeline Technology Today and Tomorrow

Pipeline Integrity Management - the Key to Safe Operation

Professional Associates

Kirchenbauer Ingenieur Büro - 3-D piping planning