3d. Discussion on the site and the part which might be expected from small entrenchments, accessory defenses, shutters, descents of ditches, &c.
4th. Site of powder magazines; capacity that should be given to them, suitable to the state of the munitions necessary for the armament of the work.
THIRD PART.—DETAILS OF CONSTRUCTIONS.
1st. Means of ascertaining the nature of the earth; considerations respecting relays for the transport of earth with the shovel.
2d. Description, number and disposition of the workmen in a shed for deblai and remblai, according to the nature of the ground and number of relays.
3d. Explanation of Plate 3. Organization of the sheds and conduct of the work where the duration and solidity of the work are the greatest essentials; where, on the other hand, rapidity of execution is the principal thing to be fulfilled.
4th. Which of the modes of construction exhibited in Plate 3 it would be desirable to employ for the proposed works, according to the circumstance specified in the particular programme. Calculation for this mode of construction, of the time and of the numbers of men and tools necessary for the execution of the deblais and remblais of the work given in the plate.
5th. Details of construction of the revetments, magazines, shutters, accessory defenses, artillery platforms, &c.
[III. PROGRAMME OF EXTERIOR WORKS.]
These works consist of an exercise in tracing out a camp, and an exercise on the profiling and defilement of field-works.