b. Platform B, Mississippi River, South Pass, Venice, Louisiana. 



(1) Construction. 



(a) Completed. 1968. 



(b) Type. Pile-supported, template-type structure (Fig. 60). Steel main piles and 

 skirt piles driven through steel-trussed template. Superstructure of prefabricated sections. 



(c) Purpose. Support of offshore oil drilling and production facilities. 



(2) Owner. Shell CHI Company, New Orleans, Louisiana 70013. 



(3) Location (approximate). South Pass, Block 70, off Mississippi River Delta, 

 southeast of Venice, Louisiana. 



Latitude: 29°00'N; - Longitude: 88°55'W. 



|*-85'— »^ 



165'- 







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204'- 



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1 



ENO-VEW SIDE-VIEW 



Figure 60. Structure as installed in 1968 (Sterling and Strohbeck, 1973). 



(4) Physical Environment (Fig. 61) 



(a) Open Estuarine Environment. Some protection to northwest from Mississippi 

 River Delta land; fuU exposure in all other directions to wind and wave conditions of Gulf 

 of Mexico. 



(b) Wave Conditions. 72-foot wave measured on wave staff at a point 5 miles 

 from Platform B location. 



109 



