──────────────────────────┬───────────────────┬──────────────────── Nature of the Work. │ First Section. │ Second Section. ──────────────────────────┼───────────────────┼──────────────────── Earthwork │1,886,300 cub. yds.│ 6,204,900 cub. yds. Ordinary dredging │ 895,300 ” │10,722,400 ” Destruction of old works, │ │ masonry, fascines, │ │ piling, &c. │ 247,600 ” │ 30,900 ” Drawing piles │ 8267 │ 1350 Removing scaffolding │ 63,495 ft. │ .. Revetments │ 166,100 cub. yds.│ 244,200 cub. yds. Protection for slopes │ 44,100 sq. yds. │ 147,100 sq. yds. Masonry of quays, &c. │ 284,000 cub. yds.│ 64,200 cub. yds. Foundations by │ │ compressed air │ 3600 ” │ .. Piles driven 31 ft. long │ 3519 │ 16,481 Sheet piling 21 ft 9 in. │ 1838 │ 13,577 Fascine work │ .. │ 68,300 cub. yds. Blasting cartridges │ 650 ft. │ 42,607 ft. ├───────────────────┼──────────────────── │ Third Section. │ Total. ├───────────────────┼──────────────────── Earthwork │1,218,000 cub. yds.│ 9,309,200 cub. yds. Ordinary dredging │2,295,800 ” │13,913,500 ” Destruction of old works, │ │ masonry, fascines, │ │ piling, &c. │ 74,600 ” │ 353,100 ” Drawing piles │ .. │ 9617 Removing scaffolding │ .. │ 63,495 ft. Revetments │ 130,500 cub. yds.│ 540,800 cub. yds. Protection for slopes │ 131,000 sq. yds. │ 322,800 sq. yds. Masonry of quays, &c. │ .. │ 92,600 cub. ” Foundations by │ │ compressed air │ .. │ 3600 ” Piles driven 31 ft. long │ .. │ 20,000 Sheet piling 21 ft 9 in. │ .. │ 15,415 Fascine work │ 26,600 cub. yds.│ 94,900 cub. yds. Blasting cartridges │ 10,068 ft. │ 53,325 ft. ──────────────────────────┴───────────────────┴──────────────────── The average work done by each excavator was 1538 cubic yards per day over the five years ending 1874, the maximum being 1951 and the minimum 613 cubic yards. The excavators were of the same type as those employed on the Belgian Ship Canal works, illustrated elsewhere in this work, and are known by M. Condreux’s name.