Mr. O'Brien has 35 years of experience (19) with Coastal) in design of various civil engineering projects while specializing in areas of roadway, sidewalk, and utility design. Mr. O’Brien is proficient in all aspects of working with Microstation and GEOPAK. Mr. O’Brien has created vertical and horizontal alignments, processed cross sections from existing and proposed input files and generated earthwork quantities, calculated quantities to text files, produced sections and quantities, and maintained GEOPAK plotting database. Mr. O'Brien is proficient in plans production in accordance with the FDOT plans preparation manual. Mr. O'Brien is certified in FDOT Traffic Control (MOT) design and plans preparation. Mr. O’Brien is proficient in computation book review and quantity calculations. Mr. O'Brien is familiar with FDOT rules and regulations and has worked with many FDOT and County project managers in the completion of projects. In addition, Mr. O'Brien serves as a CADD manager and CADD standards supervisor.