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Quality Assurance.

Quality Assurance is an integral part of any project undertaken by Mainway Industrial Installation. It is our policy and practice to provide efficient and effective product services and procedures that conform to each of our clients' requirements. To accomplish this we maintain a strict Quality Assurance program.

Mainway has developed its own inspection and test plans which can be modified to suit each of our client's needs that include final documentation and reports.


  • American Petroleum Institute, API Standard 650 Welded Steel Tanks for oil storage

  • American Petroleum Institute, API Standard 620 Design and Construction of large, welded, low-pressure storage tanks

  • API Standard 653 Tank Inspection, Repair

  • Alteration and Reconstruction American Water Works Association (AWWA), Standard D100 Steel Tanks for Water Storage

  • Canadian Standards Association, W47.1 Certification of Companies for Fusion Welding of Steel Structures

  • W59-M1989 Welded Steel Construction (Metal Arc Welding)

  • ASME B31.1 (TSSA)

  • ASME B31.3 (TSSA)

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