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SEVESO - Risk Based Inspection (RBI) Corrosion Valuation

Purpose of Education

Regulation on the prevention and mitigation of major industrial accidents - in article 8
“Risk assessment is carried out with quantitative methods in order to evaluate the risks.”  has an expression. One of the tools in digital risk assessment
One of them is “API 581 – Risk based inspection”. In API 581, it is mainly requested to examine the corrosion on the equipment and to create a probability-result matrix based on the results. According to the results in this matrix, the risk is determined and how the risk is managed is decided. Therefore, the nature of corrosion and API 581
Understanding the procedures is essential.

Education  target

With this training, participants will learn the following topics;

  • Basic philosophy of API 580 and API 581

  • Risk management concept

  • Basic forms of corrosion

  • Corrosion forms included in these standards and which are the basis of corrosion assessment

  • The concept of the corrosion loop

  • Corrosion measurement methods

  • Probability determination methods

  • Methods of determining results (Consequences)

  • Measures to be taken according to the results in the matrix

Contact for Education Applications

Phone:          +90 216 349 95 91


Image by Ricardo Gomez Angel

Who Should Attend

  • Representatives of companies that are required to conduct a Seveso valuation

  • Refinery, fuel storage facilities, LPG facilities etc. Company personnel storing explosive/ flammable chemicals

  • Representatives of companies that store chemicals

  • Those who want to learn about corrosion and its measurement.

Training Period 2  is the day​

Education place

Validebağ Adile Sultan Pavilion Teacher's House


Okan İşdaş



ITU Metallurgical Engineering - 1987
Istanbul University Graduate School of Business Administration, Specialization in Business Administration - 1988

London City College, Foreign Trade Certificate Program - 1992
NACE CP Tester Certificate Program - 2004
NACE CP Technician Certificate Program - 2014
NACE Corrosion Technician Certificate Program - 2014


Work experience:
Kroman Steel Industry, Production Eng. – 1989 / 1991
BOS United Oxygen Industry, Sales Development Eng. – 1992 / 1996

SP Engineering Co.Ltd. Firm Partnership – 1996 / Present

Okan İşdaş was born on February 19, 1964 in Izmit. After his education at Izmit High School, he started his education at Istanbul Technical University, Faculty of Chemistry and Metallurgy, Department of Metallurgical Engineering. He graduated from the faculty as a Metallurgical Engineer in 1987, and then specialized in business management at Istanbul University Institute of Business Economics.

He started his career at Kroman Çelik Sanayii A.Ş. and took a break from London City College in England to study the Foreign Trade Certificate Program. Returning to England, he worked as a sales development engineer in the field of welding gases at BOS (50% Koç Holding, 50% British Oxygen Company-BOC Joint Venture). He founded SP Mühendislik Ltd.Şti. with Cengiz Budur, whom he graduated from the Faculty of Metallurgy in 1996 and worked with at BOS.

He completed NACE CP Tester Certificate Program in the USA in 2004, NACE CP Technician Certificate Program and NACE Corrosion Technician Certificate Program in 2014.

Okan İşdaş's article named “Electochemical Corrosion Principles” was published in the Metallurgy Journal and he gave many seminars in the sector. Apart from the sector, he gave training on corrosion and cathodic protection at the Chamber of Metallurgical Engineers and Yeditepe University.

Okan İşdaş, who has done projects in Turkey and abroad, has also introduced methods that have not been applied before in Turkey, such as polymeric anode.

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