PART V 



TABLE i I I 



WAVE HEIGHT ABOVE MEA^4 SEA LEVEL 



Wave Height Feet 6o 75 90 96 



MiN. Wave Length Feet ^20 53O 63O 670 



Astronomical Tide 2.0 2,0 2.0 2.0 



Meteorlog ic Ai TioE 6.0 6»0 6.0 6.0 



RiseinWaterSurtace 6,3 7.4 9.5 1 0.1 



Half Wave Height 3O.O 37.5 ^5.0 48.0 



Total Ht. Above MSL 44.3 52.9 62.5 66.1 



Clearance Below E. 67. 22.7 '^'S ^»5 0*9 



Preliminary evaluations indicated that a height 

 for the lowest elements of the platform itself 



ABOVE mean sea LEVEL OF 67 FEET WAS DESIRABLE. 

 !N view OF ALL UNCERTAINTIES CONCERNING MAXIMUM 

 WAVES, A SINGLE WAVE WITH A HEIGHT OF 9^ FEET 

 SEEMS POSSIBLE, IF THE BOTTOM OF THE PLATFORM 

 IS AT ELEV. 67* A 4.5 FT. CLEARANCE FOR THE CREST 

 OF SUCH A WAVE IS PROVIDED, FURTHER, AS SHOWN IN 



Table Ml, bottom of platform at Elev. 67, pro- 

 vides CLEARANCE FOR A '^6 FOOT HIGH WAVE, 



The IMPORTANT CONCLUSIONS FROM THIS REPORT ARE 

 THAT THE WAVE FORCE IS INOEPENPENT OF THE WATER 

 DEPTH AND THAT THE MAXIMUM FORCE IS EXERTED BY 

 THE WAVE WITH THE MINIMUM STABLE WAVE LENGTH. 



When the supporting legs of the Tower interfere 



WITH the passage OF A WAVE, THE ENERGY ABSORBED, 

 OR THE FORCE ON THE LEGS, IS ALSO CONSTANT, 



~ n- 



