Patent ID: 6964552

Claim:
A method for lifting and transporting a heavy load comprising the steps of: a. using a heavy lift vessel comprising a bow and a stern, wherein the heavy lift vessel comprises a first heavy lift crane and a second heavy lift crane connected to the heavy lift vessel adapted to operate simultaneously, and wherein lift vessel is located at a first position; b. picking up a load from a first location using the first and second heavy lift cranes simultaneously and a first deep water deployment system in connection with the first heavy lift crane and, a second deep water deployment system in connection with the a second heavy lift crane, wherein the first heavy lift crane comprises a first hook, wherein the first deep water deployment system is adapted to increase travel of the first hook of the first heavy lift crane, and wherein the first deep water deployment system comprises: i. a main hoist winch; ii. a wire rope disposed in the heavy lift vessel; and iii. a plurality of guide sheaves; wherein the second lift crane comprise a second hook, wherein the second deep water deployment system is adapted to increase travel of the second hook of the second heavy lift crane, and wherein the second deep water deployment system comprises: i. a second main hoist winch; ii. a second wire rope disposed in the heavy lift vessel; and iii. a second plurality of guide sheaves; c. shifting the load from the first location over to a second location, wherein the second location is on the heavy lift vessel; d. placing the load on the second location; e. moving the heavy lift vessel to a second position; f. using a mooring system to maintain the heavy lift vessel at the second position wherein the mooring system is a conventional anchoring system.