ocean operations and should be rated at the thrust required to move the 
modules in sea state 3 with 4 knots of current. The heavy lift crane 
shall be rated in accordance with installation lift requirements. The 
use of the offload crane to meet the installation requirements should be 
considered. 
3.3 Installation Time 
The DWF shall be installed in stages. The facility could be ready 
to transfer cargo at reduced rates in as little as 5 days. Full offload 
capacity shall be achieved in 30 days. 
3.4 System Life 
The service life of the DWF shall be based on 20 years of operation 
in a seawater environment. 
3.5 Safety Factor Requirements 
Facility modules and appurtenances shall be designed in accordance 
with governing US Navy and American Bureau of Shipping codes and regula- 
tions for the design of structures and the safety factors of those codes 
and regulations shall be considered adequate. 
3.6 Reliability, Availability and Maintainability 
During the first 90 days of operation the facility shall have an 
availability of 0.99. After the initial 90-day period, the facility 
components shall not have more than 48 hours of down time within a 15- 
day period. During the time the facility is in operation, routine main- 
tenance shall not interfere with ship operations. After any system 
breakdown, the system shall be capable being repaired within a period 
not to exceed 24 hours. 
