English to Russian Bus/Financial Ships, Sailing, Maritime Request Bid / CGG

Встречается в разделе Requested Prices на проведение морской сейсморазведки.
• All rates are in USD.
• Rates are all inclusive.
• All rates are for 24 hours.
• Standby during technical downtime (vessel out of specification) is not payable time.
• All Company taxes to be included.
• Rates includes up to 8 CGG representatives on board during acquisition.
• Other terms and conditions to be agreed during contract negotiation.
• CGG is free to choose witch rate option to choose.
• For all options please clarify what is included / not included in the rates. If not specifically mention the assumption is that not mentioned items is included in the rates.
Далее идут отдельно Proprietary day rate option, Proprietary km rate option, Lump sum option, Risk share option (rates to be a part of risk sharing agreement).
Насколько я понимаю, proprietary означает, что ставки по отдельным позициям и статьям расходов устанавливаются участниками конкурсного отбора и закрепляются только за ними. Получается, к примеру, собственная суточная ставка потенциального подрядчика.