clearance between floor 

 and hull to allow free con- 

 traction of hull under pressure 



bolts for securing 

 chairs to floor 



foamed-in-place 

 plastic filler 



elastomeric spacers to 



allow free contraction 



of the hull under pressure 



upper cage ring 



floor rigidly attached 



to the cage frame 



assembled from three 



meridional ribs 



lower case ring 



control cables to 

 the NEMO system 



Figure 10. Foamed in-place restraint for securing of 



equipment inside the acrylic plastic capsule. 



Figure 11. Internal cage restraint for securing equipment 

 inside the acrylic plastic capsule. 



clearance between floor 

 and hull to allow free con- 

 traction of hull under pressure 



floor rigidly 

 attached to tie rods 



clearance between floor 

 and hull to allow free con- 

 traction of hull under pressure 



gidly attached 

 to support frame 



support frame rigidly attached 

 to center of bottom polar plate 



Figure 12. Tie-rod restraint for securing equipment 

 inside the acrylic plastic capsule. 



Figure 13. Polar plate restraint for securing equipment 

 inside the acrylic plastic capsule. 



23 



