Machine manufacturer shall also ensure that the communication cables comply to the drive manufacturer's specifications. Hoist load-speed characteristics shall be such that the hoist speed varies continuously with light loads above the rated speed, with a constant power characteristics. The speeds of main hoist, gantry travel and trolley travel drives, shall be step less and infinitely variable from low to full speed. The boom hoist drives shall have two pre-set speeds. Accelerations and decelerations shall be linear and shall have provisions for limitations of acceleration or declaration to pre-set value even if an excessive fast controller action is being applied. Deceleration shall be accompanied electrically and re-generatively with the brakes applied only when the motion has slowed to essentially stopped condition. Time taken for acceleration from zero to maximum speed and for deceleration from maximum speed to zero speed shall be such that the numbers of container moves per hour not less than 30. Detailed drawings of the drives, the CEP position and the mounting arrangements are to be provided.