Prefabricated building installation. The piling work for this building was screw piles which were fabricated and installed by Twister Piling Inc.

Twister Piling Inc. is certified to CSA Standard W47.1 “Certification of companies for fusion welding of steel” in Division 2 and, therefore, does meet the requirements of CSA S16 Clause 24.3 which is referenced in the National & Provincial Building Codes Section 4.3.4.1.

NBCC Section 4.3.4.1: "Building and their structural members made of structural steel shall conform to CSA S16 “Design of Steel Structures.”

CSA S16 Clause 24.3: “Fabricators and erectors responsible for welding structures fabricated or erected under this Standard shall meet the requirements of CSA W47.1, CSA W55.3 or both, as applicable in Division 1 or Division 2. Part of the work may be sublet to a Division 3 fabricator or erector; however, the Division 1 or Division 2 fabricator or erector shall retain responsibility for the sublet work.”