Table 6. Material Cost for a Submerged Weight of 25,000,000 Pounds 
| For 25,000,000 Lb 
hee : cubmemeed Submerged Weight 
Material Unit Weight Unit Weight Mineoretedl 
(1b/cu ft) (1b/cu ft) Quantity Get 
d 
(cu yd) ($) 
Concrete 155 gil 10,000 300,000 
Sanded Grout 
(sand/ cement 140 76 12,000 550,000 
iqalteOm— ale OD) 
Neat Cement Grout 125 61 15,000 940,000 
“These values include 5 lb/cu ft for having all voids filled with 
water, which would be the case for the material on the seafloor. 
32 
