This guide has been prepared to assist welding personnel with the preparation of welding procedures required as part of their company certification to CSA Standards , and W186. The following three documents will be described: (a) Welding Engineering Standards (Note: Only required for ) (b) Welding Procedure Specifications c) Welding Procedure Data Sheets There will be a brief description of the first two documents; however, this guide will focus on the preparation of welding procedure data sheets. Each item on the welding procedure data sheet will be described and guidance will be provided to complete each section