All Services Other Laytime Calculation $10/hr · Starting at $40 I will prepare Demurrage with perfect calculations, Will keep you informed about laytime used and other port facility information will be provided as a complement. About $10/hr · Ongoing Download Resume I will prepare Demurrage with perfect calculations, Will keep you informed about laytime used and other port facility information will be provided as a complement. Skills & Expertise Marine Systems 0 Reviews This Freelancer has not received any feedback.