Table 5.2. Conereves Quancieies (in million 
cu yds) for Type of Platform Indicated. 
Elevated Semi-Submersible 
Single Multiple Single Multiple 
Platform 
Size (ft) 
300) x#300 0.05 0.08 0.04 0.05 0.03 
400 x 1200 0.28 0.42 Oe OR 27 0.18 
1000 x 4000 Dea et Sioa!) Lo 73} 2.28 1.48 
a/ 
Includes both structural and ballast concrete from Table 3.2. 
The table values also represent time in years, when production 
rate is one million cubic yards per year. 
Rabiliewa.3% Perimared@.conseruceton Costs 
(in millions of dollars) 
Platform Type 300'x300'| 400'x1200'| 1000'x4000' 
Semi-submersible, single 
level deck 
Semi-submersible, multi- 
level deck 
Elevated, single level 
deck 
Elevated, multi-level 
deck 
Barge 
al Based on $150 per cubic yard for structural concrete and $75 per 
cubic yard for ballast concrete for the quantities given in 
Table 3.2. Costs include prices of concrete, forms, reinforcing 
and placing equipment. 
