Take H-1 Westbound to Exit 1 (The sign on the exit will indicate Barbers Point Harbor)
Exit takes you to Kalaeloa Blvd. (Signs along the way point to the Harbor)
After about a mile turn right on Malakole St.
Travel on Malakole and make the first right after the Island Energy Refinery.
After making the right you will be facing the Harbor security checkpoint.
Bear to the right to avoid the checkpoint and travel along the fence line.
Asphalt Hawaii facility is the tank farm on the right side.