Our approach to providing digital upgrade engineering services is based on over 30 years of experience and working with a variety of vendors. We can prepare comparative analyses of digital systems to evaluate equipment options considering costs and functionality as well as create digital system conceptual design reports that determine funding costs and equipment specificity for the hardware system specification. Other services include hardware and functional specifications for the procurement of the digital control system. For modification work, we prepare full scope design change packages including installation of the replacement system.