The Hudson Asphalt Company planned to utilize newer ships requiring drafts of 40 feet. The Hudson Asphalt Bulkhead was originally designed and built in the 1920's to service ships up to 32 feet of draft. An analysis of the existing structure was required to determine the stability of the aging granite block bulkhead. NE&C conducted diving inspections and borings to determine the condition of the 80 year old structure and the conditions and values of the soil around the structure.

A significant analytical evaluation was undertaken to determine if the additional 8 feet of dredging and removal of an armored toe protection system would undermine or weaken the bulkhead. It was determined through analysis using modern software and current geotechnical and structural engineering practices that the factor of safety and design methods used in the 1920's allowed for the present alteration without effecting the stability of the structure. After completion of dredging operations the bulkhead will be suitable for newer ships requiring a 40 foot draft.