E.S. Fox Limited has extensive engineering experience relating to quality programs such as ISO 9001, CSA N299/Z299, CSA N285.0/MCA-4000; ranging from Conventional Plant Piping to Class 1 Nuclear Components. Our Engineering Team’s commitment and goal is not just to complete the project on time, but to complete it on time with the best engineering solution.

E.S. Fox Limited Engineering provides the following services, but not limited to;


Design Engineering

  • ASME Section III, VIII-1 & 2, CSA B51/B31 design
  • Canadian design registration support
  • FEA advanced engineering
  • Structural and general mechanical engineering

Virtual Construction

  • High definition 3D scanning and model generation
  • Post data capture analysis, including equipment/piping layout and interference checks
  • Dimensional verification services

Total Station Surveying

  • Mechanical, electrical and plumbing (MEP) layout
  • As-built data capture

CAD Services

  • Development of detailed fabrication drawing and BOMs
  • CNC metal cutting support in conjunction with E.S. Fox Limited fabrication
  • 2D and 3D modeling

Welding, Manufacturing, and Metallurgical Engineering

  • Welding, Brazing, Bonding and Heat Treatment Procedure development and Welder/Brazer Qualification Development.
  • Weld Engineering Support and expertise in material properties of metallic and non-metallic materials for all types of fit-up, cutting, heat straightening, fabrication or welding/brazing and bonding activity.

Under the following Codes/Standards: ASME B&PVC; CSA, AWS, API, A.A.R, and P.E.D.




Quality Assurance

Every discipline within our shop and field, construction and fabrication groups are fully versed in our Quality Assurance Programs which meet C.S.A and A.S.M.E requirements for pressure vessels, piping and supports, modular, and equipment fabrication. Our Quality Assurance Program and our employees are continually brought up to date with the latest enhancements.

ES Fox Limited Quality Management System is registered to ISO 9001 and complies with CSA Z299/N299 and N286-05/12 Standards.

Specific parts and components are fabricated and installed under the appropriate Codes/Standards listed below and certified by TSSA and ASME.


Nuclear Certifications: ASME Code Stamps: N, NPT, NS, NA

  • ASME BPVC Section III for Construction of Nuclear Facilities components
  • CSA N285.0 for “CANDU Nuclear Power Plants”

Conventional Certifications: ASME Code Stamps: U, U2, PP, S

  • ASME Section VIII “Pressure Vessels”(Div.1 and Div.2)
  • ASME Section I – “Power Boilers”
  • ASME B31.1, B31.3 and B31.5 piping
  • CSA B51, B52, Z7396.1
  • National Board NB and R (Repairs)

ES Fox also certified by:

  • CWB under CSA W47.1 for Steel Welding and, CSA W47.2 for Aluminum Welding
  • Public Works and Government Services Canada for Controlled Goods Program
  • TSSA as a Petroleum Contractor
  • TSSA as Heating Fuel Contractor