MODIFICATIONS AND OUTFITTING 



89 



Item 



2. Add three cables. 



3. Marry umbilical components at 8 ft 

 intervals with 9 -thread manila. 



Reason 



Two for external lights, one for camera 

 control 



Ease of handling. 



m. Interior Modifications 



1. Remove chain stanchions and deck 

 sockets at entryway. 



2. Shorten vent duct and move radiant 

 heater in entryway. 



3. Add sound-absorbing curtains between 

 entry and laboratory space. 



4. Remove electrical convenience outlets 

 in entryway. 



5. Install copper tubing from waterheater 

 relief valve to deck drain. 



6. Install pressure-relief valves on O2 

 and Bibb system with overboard dis- 

 charge through benthic trunk. 



7. Install flow meter in Oj make-up line. 



8. Install valves H-8 and H-9 in O 2 

 make-up system. 



9. Add U-tube monometer on suction side 

 of vent blower. 



10. Install screen on CO 2 scrubber. 



11. Install additional shelving in berthing 

 and galley spaces. 



12. Relocate helium speech unscrambler 

 plug receptacle in galley. 



13. Modify doors and screws on electrical 

 distribution panels. 



14. Move washbasin away from hull. 



15. Install two 220-cu ft O2 cylinders. 



16. Remove thresholds between berthing 

 and galley spaces. 



Ease of entry. 



Provide space to install hookah compressors. 



Improve communications while operating 

 hookah. 



Damp entryway could cause shorting. 

 Safety-required by Certification Board. 

 Safety-required by Certification Board. 



Safety-required by Certification Board. 



Allows bleeding into lab if vent blower be- 

 comes inoperative. 



Determines when filter needs charging. 



Protects CO 2 scrubber filter. 

 Additional storage space. 



Avoid interference with circuit breaker 

 door. 



Permit complete closing of doors. 



Provide adequate head room. 



Provide supply for manual O2 make-up. 



During the same period in which the above modifications were being accomplished, final 

 outfitting was completed. Major items accomplished during this outfitting period are listed 

 below: 



