Case Study of a Safety Instrumented Burner Management System (SI-BMS)

by Mike Scott, P.E., CFSE, aeSolutions Founder

This case study will discuss the application of the safety lifecycle as defined by ANSI/ISA 84.00.01‐2004 (IEC
61511 mod) to two single burner multiple fuel boilers. Each boiler is capable of firing natural gas, oil and/or
waste gas, in order to supply the plant header with 1,365 psig steam at a maximum capacity of 310,000
lb/hr. The project team included the end client task force at the manufacturing facility, the engineering firm
with design/procurement responsibility, the boiler OEM, the burner/gas train OEM, and the safety
instrumented system consultant. This paper will cover:

the development of a SIS front end loading package

the project cost savings realized attributed to following the safety lifecycle

the challenges encountered during the design process associated with the implementation of the safety lifecycle across a diverse project team