Specifications include, but are not limited to: A. Helicopter services shall be provided for a 18-month period beginning on the official commencement date on the Notice to Proceed. Upon mutual agreement between the State and the Contractor, prior to the expiration date, the term may be extended for up to two (2) additional eighteen-month periods. B. The service will be ordered on a “call as needed” basis. In general, the service will be of the following types: (1) Passenger and sling load missions (2) Aerial firefighting and sling load only missions C. Flight hours: For helicopter services reserved and provided on an hourly basis, the Contractor shall be compensated for the actual helicopter time-in-service, as measured by the HOBBS meter onboard. D. Days and time of operation. Usually, Monday through Friday, but at times may be seven days a week. E. Bases of operation. Line item #1 will be for aircraft with a flight operations base (FOB) on the Island of Oahu. No interisland ferry time will be considered for these items. Line items # 2, #3, and #4 will factor in interland ferry times. It is understood that aircraft resources are available on other islands and in some cases these need to be utilized. One example would be for aerial fire suppression, where insufficient on call resources are available solely on Oahu. Ferry time of these aircraft from other Hawaiian Islands will be paid when they are requested for work on the Island of Oahu. Ferry times shall be listed on bid l Caline-item matrix. Award caluculation will be made by assuming a minimum of 8 hrs of flight time plus the ferry costs in order to calculate the total bid.