It is these drawings to which the system is installed. This information is then taken by the installing contractor and converted into the working drawings or shop drawings. In the engineering drawings, the location of the detection devices and notification appliances are laid out.Ī sequence of operation as well as the intent and description or narrative of the system would be provided. The professional engineer in most cases will either be an electrical engineer or fire protection engineer. These drawings would be completed and in most cases sealed by a professional engineer. Shop drawings should not be confused with the engineering drawings. The Technical Committee on Fundamentals still has oversight for Chapter 7, as documentation is viewed as being a fundamental requirement for all systems. Prior to the 2013 edition, the requirement for documentation was located within the chapter on Fundamentals. Since the 2013 edition of NFPA 72, National Fire Alarm and Signaling Code, there has been a chapter on documentation. But after recently viewing how a number of shop drawings were produced the subject is now shop drawings, and what should be the minimum requirements for any set - from the smallest system to a large complex system. Originally there was to be a different topic covered this month.
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