The report is divided into six parts as follows: 
Part 1 ------ Introduction 
WENEE Zh SG2E58 General history of large concrete structures 
in a marine environment. 
Part 3 =-<--- Various platform concepts, their characteristics 
and suggested configurations. 
Part 4 ------ Concrete production, concerning such topics as 
production quantities, rates and costs, plant 
operations, and quality. 
Part 5 ------ Methodology associated with large platform 
construction, at-sea assembly, and towing. 
Comparative construction costs for various 
platforms are included. 
Part (6) =----— Construction summary, with comments on method- 
ology for comparing platforms and a suggested 
RDT&E plan. 
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