TABLE 7 UNIT COSTS (1984) OF EXCAVATION PLANS FOR BIKINI ISLAND* TEM UNIT COS T 1. VEGETATION CLEARING AND DISPOSAL(BURNING) $ 1.30/m 2. EXCAVATION & HAULING SPOIL TO DOCK OR TO ISLAND’S SEAWARD PERIMETER $ 6.30/m: 3. BAGGING SPOIL $12.40/m3 4. CONSTRUCTION OF PERIPHERAL LAND-STRIP WITH BERM” $90.00/m3 5. OUMPING SPOIL IN LAGOON/OCEAN LOADING AND UNLOADING BARGES FOR MARINE DUMPING (UP TO 60 KM ROUNDTRIP} $ 5.90/m3 6. BACKFILLING EXCAVATEDSITE DREDGING LAGOON SEGIMENT HAULING AND SPREADING $12.60/m? $ 5.40/m? _ 7. CONSTRUCTION CAUSEWAY HAUL SPOIL TO CAUSEWAY FROM ISLAND ARMORLAYER CULVERTS(60; 1.52m DIA, CONCRETE) 8. DISPOSAL ON NAM TRANSPORTTO NAM, UNLOAD AND SPREAD a. In the Marshall $ 3.60/m $86.00/m3 $39,000/culvert $12.20/m3 Islands, costs are estimated at 2.4 times those in the continental U.S. (see references on following page). Unit costs will tend to be significantly greater (about 300 percent) on smaller islands owing to the relatively greater cost of landing equipment and supplies, and less efficient operations required for small volume excavation. The majority of these estimates are provided by The Pacific Division, - U.S. Corps of Engineers (Ref 6, next page). volume of spoil to be dealt with. b. See Table 9 for depth and " The estimated cost range for replanting coconut trees is $2 to $4 per me, c. Not including Items 1 and 2, but principally for building protective coral-rock armor layer. J00005i1 | 55