* * * * *
_Table of incidence (informative)._
-----------------------+------+-----+-----------+------+-----------
| | | | |Equivalent
| | | | | boats.
|Number|Cubic|Cubic feet |Total |-----+-----
Gross tons. | of |feet.|additional.|cubic | At | At
|boats.| | | feet | 500 | 600
| | | | at |cubic|cubic
| | | |1-3/4.|feet.|feet.
-----------------------+------+-----+-----------+------+-----+-----
10,000 and under 12,000| 16 |5,500| 4,125 | 9,625| 19 | 16
12,000 and under 15,000| 18 |5,800| 4,350 |10,150| 20 | 16
15,000 and under 20,000| 20 |6,100| 4,575 |10,675| 21 | 18
20,000 and under 25,000| 22 |6,400| 4,800 |11,200| 22 | 19
25,000 and under 30,000| 24 |6,700| 5,025 |11,725| 24 | 20
30,000 and under 35,000| 24 |7,000| 5,250 |12,250| 24 | 20
35,000 and under 40,000| 24 |7,300| 5,475 |12,775| 25 | 21
40,000 and under 45,000| 24 |7,600| 5,700 |13,300| 26 | 22
45,000 and under 50,000| 26 |7,900| 5,925 |13,825| 27 | 23
50,000 and upward | 26 |8,200| 6,150 |14,350| 28 | 24
-----------------------+------+-----+-----------+------+-----+-----
One-fourth of the above boats may be carried inboard, but they should
not exceed 500 cubic feet in capacity, so that they may be readily drawn
up to the davits.