List of certified companies and diver welders!

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Student

Company

Certificate

Range of Approval
Jagersma, Peter Aquatech valid till 20 October 2017 PG/3F ISO15618-1
Vries, Hein de Aquatech valid till 15 Januari 2018 PG/3F ISO15618-1
Ballaer,  Jasper van BDC groep (Benelux diving) valid till 04 March 2017 PG/3F BS 4872-1:1982 (Class II)
Cloosterman, Ryan Boskalis valid till 15 April 2018 PG/3F ISO15618-1
Engel, John Boskalis valid till 14 November 2016 PG/3F ISO15618-1
Hes, Rick Boskalis valid till 15 April 2018 PG/3F ISO15618-1
Kramer, Raymondo de Boskalis valid till 15 Januari 2018 PG/3F ISO15618-1
Maagdelijn, Axel Boskalis valid till 14 November 2016 PG/3F ISO15618-1
Morien, Jeremy Boskalis valid till 21 June 2016 PG/3F ISO15618-1
Reynart, Jeroen Boskalis valid till 14 November 2016 PG/3F ISO15618-1
Shahboub, Ahmed Boskalis expired
Wijnen, Raymond Boskalis valid till 16 October 2017 PG/3F ISO15618-1
Diler, Yurt Btt Marine LTD expired
Bosman, Bas COW expired 16 October 2017 PG/3F ISO15618-1
Bruin,  Jules de COW expired 20 March 2016 PG/3F ISO15618-1
Dijk,  Michael van COW valid till 14 November 2016 PG/3F ISO15618-1
Gansewinkel, Hans COW expiredl 27 October 2017 PG/3F ISO15618-1
Otten, Tom COW expired 20 March 2016 PG/3F ISO15618-1
Deugd, Kevin de DCN Failed
Hellenthal, Michael DCN expired
Koning, Nick DCN expired
Schmidt, Peter DCN expired
Sijtsma, Lucas DCN expired
Warmerdam, Harry DCN expired
Warmerdam, Rick DCN expired
Balkenende, Martijn Disa International expired
Cate,  Jelle ten Disa International valid till 21 June 2016 PG/3F ISO15618-1
Demoniere, Victor Disa International expired
Hartmann, Guido Disa International expired
Huijben, Rob Disa International expired
Janssen, Wim Disa International expired 6 February  2017 PG/3F ISO15618-1
Machouri, Micha Disa International expiredl 6 February  2017 PG/3F ISO15618-1
Verlinden, Pol Disa International expired
Wiebols, Herbert Disa International expired PG/3F ISO15618-1
Way, Robert Diver BV valid till 04 March 2017 PG/3F BS 4872-1:1982 (Class II)
Kramer, Klaas DUC valid till 30 June 2016 PG/3F ISO15618-1
Veen, Pieter van der DUC valid till 30 June 2016 PG/3F ISO15618-1
Visser , Harmen DUC valid till 30 June 2016 PG/3F ISO15618-1
Westrik, Klaas-Jan Europa expired PG/3F ISO15618-1
Aa , Alain van der Freelance expired
Ahlers, Matthias Freelance expired
Aydin, Hakan Freelance valid till 15 April 2018 PG/3F ISO15618-1
Bakker, Joost Freelance expired
Baljeu, Willem-Jan Freelance expired PG/3F ISO15618-1
Boekel van, Teun Freelance expired
Bontes, Frans Freelance expired
Cassiers, Bart Freelance valid till 6 February  2017 PG/3F ISO15618-1
Cox, Matthew Roger Freelance valid till 19 December 2016 PG/3F AWS3.6D ISO15618-1
Deckers, Michiel Freelance valid till 15 April 2018 PG/3F ISO15618-1
Dijk van, Jordi Freelance valid till 22 April 2018 PG/3F ISO15618-1
Groenewegen , Arjen Freelance expired
Groth, Lars Freelance expired PG/3F ISO15618-1
Hasemann, Karsten Freelance expired
Heijne, Niels Freelance expired
Huysmans, Luc Freelance expired
Keulen, Marc Freelance expired PG/3F ISO15618-1
Khachabi, Nobel Freelance expired
Kleef,  Jeroen van Freelance expired
Knowles, Sean Freelance expired
Kraan , Rudolf Freelance expired
Kriek, Ronald Freelance valid till 15 Januari 2018 PG/3F ISO15618-1
Krooswijk, Frans Freelance valid till 15 April 2018 PG/3F ISO15618-1
Lankhuijzen, Dominique Freelance expired
Leeferink, Dennis Freelance expired
Leensen, Peter Freelance expired
Lochmans, Maurits Freelance expired
Mohan, Sudesh Freelance expired
Nobel, Fred Freelance expired
Norde, Niels  van Freelance expired
Ommeren, Maarten van Freelance valid till 27 Januari 2018 PG/3F ISO15618-1
Peelen, Bas (PD) Freelance valid till 22 April 2018 PD/4F ISO15618-1
Peelen, Bas (PG) Freelance valid till 22 April 2018 PG/3F ISO15618-1
Rhebok, Stanley Freelance valid till 18 December 2016 PG/3F AWS3.6D
Rooms, Christian Freelance expired
Saurens, Remco Freelance valid till 15 April 2018 PG/3F ISO15618-1
Schaijk, Danny van Freelance expired
Schepers, Paul Freelance expired PG/3F ISO15618-1
Smulders, Eric-jan Freelance expired
Star, Dennis van der Freelance valid till 15 April 2018 PG/3F ISO15618-1
Steenbergen, Pieter van Freelance valid till 15 Januari 2018 PG/3F ISO15618-1
Veraar, Arno Freelance expired PG/3F ISO15618-1
Voogd, Willem Lourens de Freelance expired
Vossen, Marinus van Freelance expired
Weenen, Andries van Freelance expired
Keizer, Simon Global Diving expired PG/3F ISO15618-1
Es, Django van Maksor Diving Failed

1
Cats , Gijs Jan N-sea valid till 22 April 2018 PG/3F ISO15618-1
Haring, Erwin N-sea expired 17 January 2016 PG/3F ISO15618-1
Hoep, Dennis     N-sea valid till 15 April 2018 PG/3F ISO15618-1
Kraan, Rob van de N-sea valid till 22 April 2018 PG/3F ISO15618-1
Kruif, Sander de N-sea valid till 15 Januari 2018 PG/3F ISO15618-1
Wit, Henrik de N-sea valid till 16 October 2017 PG/3F ISO15618-1
Bosman, Dennis Qceas B.V. valid till 27 October 2017 PG/3F ISO15618-1
Dekker, Dion den W.Smit valid till 14 November 2016 PG/3F ISO15618-1
Fernandes, Angelo (PD) W.Smit valid till 22 April 2018 PD/4F ISO15618-1
Fernandes, Angelo (PG) W.Smit valid till 14 November 2016 PG/3F ISO15618-1
Goedhart, Tom W.Smit valid till 15 April 2018 PG/3F ISO15618-1
Keijzer, Jaap W.Smit valid till 15 Januari 2018 PG/3F ISO15618-1
Kelder, Mark W.Smit valid till 16 October 2017 PG/3F ISO15618-1
Schijndel van, Diederik W.Smit valid till 15 Januari 2018 PG/3F ISO15618-1
Snoek , Joey W.Smit valid till 14 November 2016 PG/3F ISO15618-1
Verbeeke, Eric W.Smit valid till 15 Januari 2018 PG/3F ISO15618-1
Yaras, Barbaros W.Smit valid till 19 December 2016 PG/3F ISO15618-1
Zoeteman, Rob W.Smit valid till 6 February  2017 PG/3F ISO15618-1

Who can attend?

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Any commercial, surface supplied trained diver, with or without welding experience can attend the Divewise-tec underwater welding course.
To become a certified underwater welder you must be prepared for 2 weeks of intensive training.

There are a couple of documents that we need from you before we can register you as a student:

  1. Commercial diving certificate – copy (IDSA recognized or by any other nationally recognized body)
    *A sports diver certificate is not accepted. To become a commercial diver follow this link.
  2. Valid medical certificate – copy
  3. Vallid paspoort – copy
  4. Signed Application form

DUSB – DiveWise Underwater Safety Blaster!

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General DUSB Design features

  • Natural Implosion effect of micro bubbles principle is used for UW cleaning . No dangerous HP jet  stream but relative harmless  cavitating bubble shower  for UW cleaning
  • Due to the DUSB tool generated flow of water and micro bubbles , no direct dangerous high velocity water stream is  present for the diver.
  • This exit flow of micro cavitation bubbles in combination with the nozzle slide guide makes the tool easy to handle  very safe compared to the conventional dangerous HP Jetting.
  • General Lance & Tool HP parts ;  as by ‘’S.I.R’’   safety design  requirements
  • Double hand  trigger actuation
  • Automatic pressure  discharge /unloading ;  on HP hose  and  DUSB tool
  • Retro-Guard pipe ; sturdy non slipping design and safe retro nozzle distance (see also physical calculations )

Design criteria

  •  DUSB  design working pressure ; up to 500 bar
  •  Design safety factor working pressure –burst ;  v=3 or more (S.I.R. required design safety factor v=2.5 )
  •  Tool is not a standard HP  impact jet-gun, but an implosion bubbles generating cleaning device where applicable tool HP parts meets S.I.R requirements
  • General tool design cfm  CE requirements