The OTTC Initiative 
Everybody is welcome to do our courses.We don’t ask for papers if you feel comfortable and eager to work hard and follow our programs you definitely will pass our courses and get a OTTC Diploma.We might just ask if you have some working experience to see where we can start with you and give you the right advice and save you some money.All courses include practical on our life-size training plants for better understanding.Courses can also be done individually, one course at the time according to our program.The OTTC Ammonia Diploma is a OTTC Ammonia Qualification established 1993 specially for the people working on ammonia plants, consulting engineers and contracting companies.The OTTC AM-SH Ammonia Safe Handling Course is part of our AM-Diploma since 1993 and registered from OTTC with SAQA since 2004, this is an OTTC qualification developed by Kurt Johannsen BSc. Mechanical Engineer – 1969, Denmark, SAQCC Gas – Cat. C.  Reg. No. 1130 For South Africa and all OTTC Ammonia Diploma Students.Never the less if a young inexperienced person, with good school grades and he/she wants to work hard, they are welcome to do our OTTC Ammonia Diploma.The industry likes to give them a chance to employ them and gives them the practical experience to get started in a workplace.

About OTTC
OTTC – Open Trade Training Centre was founded by Peter, Susanne and Isolde Dobelin in 1992.Peter Dobelin, German Master in Refrigeration, Air-conditioning, Heating and specialized expert in Ammonia.He worked 11 years for Ahlborn Hildesheim (now GEA) and BBC York Mannheim as manager of work installing and maintaining Dairies, Breweries, Chicken and Chocolate Factories and many more places.From his experience he felt there is an urgent need to establish the OTTC Ammonia Diploma Qualification to safeguard and protect especially people, also the high investments on ammonia plants.This OTTC Ammonia Diploma Qualification was immediately accepted by the industry. 

When Peter passed away
After Peter Dobelin passed away in December 2002 Isolde Dobelin convinced BSc Mech. Engineer Kurt Johannsen to take over the training of the OTTC Ammonia Diploma Qualification.He continuously extended and upgraded the training always to the latest standard of technology.So far we have over 400 graduated OTTC Ammonia Diploma holders working all over the world.The OTTC Ammonia Diploma consist of a 6 week intense theoretical and practical (on our training plant) program.Every course is 1 week AM-1, AM-2, AM-P1, AM-P2, AM-Diploma and AM-SH.Safe Handling of Ammonia, also invented by OTTC in 2004 by BSc Mech. Engineer Kurt Johannsen, registered at SAQA for accreditation with ACCRICSA and later with SARACCA for the license to work on ammonia plants.Every Friday learners write a test, with a pass mark of 60% and 75% is required for the diploma.All testing is done individually by each course participant. (No team testing).


We Want To Say 
"Thank you!"

This “thank you” follows all of our students home and abroad and sends you the best of wishes – you have been both aspiring students and good people.