Posted on: September 30, 2013

Fall Newsletter

Safety Controls, Controls, Alarms, and Interlocks as IPLs

Angela E. Summers, PH.D., P.E.

This paper discusses the design, operation, maintenance, and testing practices necessary for SCAI to be considered as independent protection layers (IPL). It also provides guidance on claiming multiple layers of protection in the basic process control system.  SCAI pdf


New Training Class – Industrial Instrument Technology

SIS-TECH expands its course curriculum by offering a new training class. Industrial Instrument Technology is a 3-day class which covers the diversity of measurement and control technologies, ancillary devices, signals, processes, sizing, selection, specification, and SIL devices used in industrial processes. Training Classes


 Bill Mostia named ISA Fellow

SIS-TECH’s William (Bill) L. Mostia, Jr., P.E was recognized by Instrumentation, Systems, and Automation Society (ISA) peers for his contributions in training, design and engineering for safety systems and was elevated to the distinguished grade of ISA Fellow.  Bill Mostia



SIS-TECH delivered a SIL rated Diamond-SIS in 7 days

First quarter 2013 – Pete Fuller, Applications Advisor with SIS-TECH, received notice from a customer in the Oil & Gas industry that their site was in need of a Safety Instrumented System (SIS) for a barge loading operation with a very aggressive delivery date. SIS-TECH Delivers in 1 Week