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Find the answers to some of the most frequently asked questions or ask your question.

R134A, R404A, R407A, R407C, R449A, R448A, R507A, R410A, R513A

No, only compressed air line pipings with a diameter of 3/4 inch or smaller are exempt from TSSA registration in Ontario.
Heating Seasonal Performance Factor (HSPF) is the rating used by companies to indicate the efficiency of their heatpump.
The efficiancy of a heating system is calculated as follows:
HSFP = total heating power/ total used energy for 1 year
This number usually varies between 8 and 10.

Per CSA W47.1, Division 1 companies shall employ a welding engineer on a full-time basis and Division 2 companies shall retain a welding engineer on a part-time basis. Division 3 companies are not required to employ or retain a welding engineer.

  • Division 1 companies must employ a full-time CWB welding engineer.
  • Division 2 companies must retain a CWB welding engineer. Acetake Group offers retained welding engineer for steel W47.1, aluminium W47.2, and rebar W186.
  • Division 3 companies are not required to have a welding engineer.
  • Quarterly on-site audit as per CSA W47.1; W47.2 & W186
  • Quarterly audit reporting per CSA W47.1; W47.2 & W186
  • Trouble shooting of welding issues
  • Develop, revise, and PEng seal welding procedures and WPDS
  • Supporting CWB communications and audits
  • Training of welders and welding supervisors for CWB exams and tests

Acetake Group could offer CWB companies the following services:

  • Retained CWB engineer which comes with 24/7 support
  • Design and preparation of steel and aluminum structure fabrication and erection drawings
  • P.Eng. Stamp of fabrication drawing in all the provinces and territories
  • Engineering Assessment to Building Code and other applicable Standards
  • Permit Application for a wide range of structures
  • Welding Procedure Development, Stamping and Registration
  • Training of welders and supervisors for CWB test
  • CAD drawing and drafting service which comes with 24/7 support
  • Marketing: tender and bid preparation (1 project per month guaranteed)
  • Welder certification we pick up the samples from your shop, prepare the tickets and get it signed by CWB
  • CWB level II welding inspection service

You could refer to the following video:

Our retained welding engineering services include unlimited number of procedure revisions. Acetake group will not charge you for the revision of welding procedures.
Yes, all the existing documents welding procedures, reports, welding tickets, etc. will remain valid and there is no need to be renewed by the new welding engineer.