The ponton section contains the material for three bays, and should never be subdivided. The division may be increased or diminished at pleasure, by the changing the number of its ponton sections.

The carriages are loaded as follows: Each ponton-wagon contains 1 ponton, 7 long balks, 1 anchor, 1 cable, 5 oars, 2 boat-hooks, 20 lashings, 6 rack-sticks, 1 scoop-shovel, 2 small scoops, 1 axe, 1 hatchet, 1 bucket, and 20 pounds of spun yarn.

Each trestle-wagon (identical with ponton-wagon) contains 7 long balks, 7 trestle balks, 1 trestle complete, 2 abutment sills, 2 coils of 3-inch rope.

Each chess-wagon contains 60 chess.

The forge is identical with forge A furnished by the ordnance department.

Each tool-wagon contains 50 axes, 20 shovels, 20 spades, 15 picks, 25 hatchets, 4 broad-axes, 4 adzes, 4 cross-cut saws, 12 augers (assorted), 2 crow-bars, 2 calking-irons, 12 tin lanterns, 2 monkey-wrenches, 1 sledge, 1 steel square, 1 grindstone, 1 spirit-level, 1 coil telegraph wire, 1 coil 3-inch rope, 1 coil 1-inch rope, 1 coil spun yarn, 50 pounds iron (assorted), 25 pounds paint, 6 paint-brushes, 1 dozen chalk lines, 1 pound red chalk, 4 pounds white chalk, 6 sail-needles, 1 palm, 6 balls twine, 50 pounds 6-inch spikes, 100 pounds 6-, 8-, 10- and 20-penny nails, 2 sets blocks and falls, 2 gross each of 1-, 2- and 5-inch screws, 1 roll canvas, 20 pounds calking cotton. Also 4 boxes of carpenters’ and saddlers’ tools nearly identical with those furnished by the ordnance department for battery-wagon C. If desirable, extra stores to the amount of 500 pounds may be added to the load.

The supply division is provided with articles necessary to replace material lost or worn out, such as balk, chess, spare parts of carriages, a few complete carriages, etc.

The carriages of this division consist of ponton-, chess-, and tool-wagons, and of forges. Their number and proportion will be determined by the nature of the country in which the army is operating, and by the proximity of the main depot.

The ponton-wagon contains 17 long and 7 trestle balks. The chess-wagon, 60 chess. Tool-wagon No. 1 carries the same load as that attached to a ponton division. Tool-wagon No. 2 contains 80 rack-collars; of 6-, 8-, 10-, and 20-penny nails, 2 kegs each; of 4- and 6-inch spikes, 2 kegs each; of 1-, 2-, and 5-inch screws, 4 gross each; of 1- and 3-inch rope, 2 coils each.

The loads may be increased to the extent that circumstances will permit, by adding spare parts of carriages.