+-----------------------------------+-------------------+ | | Pesos per day. | +-----------------------------------+-------------------+ | General foreman | 8.00 to 10.00 | | Foreman | 6.00 " 8.00 | | Cabos | 2.00 " 4.00 | | Masons | 3.00 " 4.00 | | Bricklayers | 3.00 " 4.00 | | Masons and bricklayers helpers | 1.50 | | Cast-iron pipe jointers (foreman) | 4.50 | | " " caulkers | 3.00 | | " " helpers | 1.50 to 2.00 | | Fire-clay pipe layers | 1.75 | | " " helpers | 1.25 to 1.50 | | Drillers | 1.25 " 1.50 | | Carpenters | 2.00 " 2.50 | | Blacksmiths | 2.50 | | Crane men | 6.00 | | Peons (laborers) | 1.00 to 1.25 | | Boys (watering concrete) | 0.37-1/2 to 0.50 | | Watchman | 1.00 | | Timekeepers | 22.00 per week. | +-----------------------------------+-------------------+ COST OF WORKS. Table 16 gives the main items of the approximate expenditure. These include all expenses for preliminary location, engineering, superintendence, purchase of lands, water rights, etc., but do not include other heavy expenditures chargeable to the concession, such, for example, as general expenses, interest at the rate of 6% during the construction period, preliminary expenses for investigations, etc., items which would increase the total by nearly 25 per cent. TABLE 16.--PRINCIPAL ITEMS OF EXPENDITURE.