STATE GEOLOGIST. 199 
coat to be thoroughly troweled and floated smooth. In both founda- 
tion and surface layers of concrete, transverse joints shall be cut at five 
foot intervals along the walk to allow for expansion and contraction and 
to more easily provide for any possible settlement or heaving. The 
surface shall not be dusted with dry cement at any time. Bevel all 
edges of the blocks. Sprinkle the surface two or three times each day 
for a week and protect it from the hot sun during the same period. 
Drainage.—Where the engineer may think it necessary, the con- 
tractor shall lay two or four inch tile drains from the subfoundation to 
the nearest catchbasin or open ditch, to carry away any water which 
may collect in the subfoundation. 
Cleaning Up.—After the walk has been completed, the contractor 
shall remove all debris, waste material and excavated earth from the 
street and leave the parkways in good condition. 
The undersigned hereby certifies that he has read the foregoing 
specifications, and that the proposal for the work is based on the condi- 
tions and requirements embodied therein, and should the contract be 
awarded to him, he agrees to execute the work in strict accordance 
herewith. 
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