Specifications include, but are not limited to: The consultant will occasionally be required to perform multi-beam, side-scan, magnetometer, andsub-bottom hydrographic surveys at specific sites around the state.The majority of the surveys will require the consultant to perform conventional single beam hydrographic surveying for our bridge scour program along designated bridges using standardsurvey methods and best surveying practices for data acquisition. The survey shall consist of running range lines at predetermined stations over the water and on the banks. The occurrence of each survey of each bridge will be determined by DOTD schedule and will commence within a time period of fifteen (15) days before or after the scheduled date.