HBK offers a wide range of engineering design services utilizing AC voltage system requirements from 120V to 230kV substation installations, DC battery and UPS power systems. Our Electrical design team has extensive knowledge and experience with the ComEd (Commonwealth Edison) system and its associated design parameters, commercial power and distribution system requirements, power generation and substation facilities. HBK’s Electrical Engineering service offering includes design of 120 V– 480 V distribution systems, medium voltage (4160V) switchgear and distribution equipment, emergency power generation, DC and UPS power, grounding, raceway systems, preparation of electrical equipment design and specification documents and associated purchase orders, upgrading downstream Medium Voltage electrical service from substation and distribution centers, Electrical subterranean Vaults and transformers (480V - 4160V) , Overhead/Underground service drops for large commercial/industrial users, design of distribution circuit reinforcement , Cable replacements, Mid-Circuit reclosers, automatic load transfer switching, utility performance and reliability evaluation, and electrical equipment condition assessment. HBK’s electrical design staff has a combined experience of over 30 years in the design of overhead distribution facilities ranging from 34kV (and below) primary and secondary services in congested urban areas as well as suburban and rural areas.