— 1 〇*4 - 
Nature of tlie country at the site. 
Any special difficulty that may be anticipated for the raising. 
Kind of falsework it would be advisable to use. 
Cost of piles at various places in the neighborhood， if any be required. 
Cost of transport of same to site. 
Cost of timber per thousand for falsework. 
Probable value of f also work timber after bridge is finished. 
Cost of withdrawing piles, if necessary. 
Numbei. of lineal feet of piles required, 
dumber of feet of lumber for falsework. 
Cost of spikes, bolts, and nails for falsework. 
Cost of driving piles. 
Cost of transporting pile- driver to and from site. 
Common laborer's wages. 
Skilled laborer's wages. 
Foreman's wages. 
Wages for team and teamster. 
Cost of supenutemlence by engineer or engiuoers. 
Number of days' teaming ou work. 
Date when bridge must be finished. 
Probable length of time it will take to raise and complete bridge. 
Chances of fair or foul weather dining this time. 
Chances of lmviug falsework carried away by a sudden rise or au ice -gorge. 
Chances of a scarcity of laborers. 
Chances or sickness among laborers. 
Expenses attendant on same. 
» Cost of tents or oilier housing for laborers, if any. 
Cost ot iron at mill or foundry. 
Cost of trau sport of same to nearest railway-ytation or seaport. 
Cost of lumber per thousand at mill or market. 
Cost of transport of same to nearest railway- station or seaport. 
Probable expenses for blacksmitliiiig and coal. 
Cost of tools, if it be necessary to buy special ones. 
Wear a-iicl tear of plant, ami loss of tools. 
Loss of bolts and timber^ 
Actual cost of raising similar structures umler similar circumstances. 
Travelling expenses of employees to and from site. 
Engineering expenses. 
Office expenses in preparing plans, etc. 
Advisable allowance for contingencies. 
