EOADS AXD BKIDGES, JULY 1, 1913-DEC. 31, 1914. 25 



Contract No. 3, for section 2, was let at the following unit prices: 



Clearing, per acre $7.50 



Grubbing, per station 6.00 



Excavation, per cubic yard . 20 



Embankment, per cubic yard .22 



Vitrified pipe, 12-inch, per foot, complete . 60 



Vitrified pipe, 18-inch, per foot, complete .90 



Concrete, 1:2:4, per cubic yard 12.00 



Reinforcing steel, per pound .04 



Gravel road, per square yard .23 



Highway No. 3 is an 18-foot earth road 13 miles long ; also 1,300 feet of 

 timber trestle. Contract was let at the following unit prices: 



Clearing, per acre $75. 00 



Grubbing, per station 5. 00 



Excavation, per cubic yard . 26 



Embankment, per cubic yard . 26 



Vitrified pipe, 12-inch, per foot, complete . 71 



Vitrified pipe, 18-inch, per foot, complete 1. 16 



Concrete pipe, 12-inch, per foot, hauling and placing only .35 



Concrete pipe, 18-inch, per foot, hauling and placing only ■ . 65 



Wood pile driven below cut-off, per foot . 70 



Wood pile driven above cut-off, per foot . 55 



Concrete, 1:2:4, per cubic yard 13. 00 



Reinforcing steel, per pound .05 



Timber, per thousand feet board measure 40.00 



Iron in structures, per pound . 05 



Highways Nos. 4 and 10 consist of 2| miles of 15-foot gravel road 6 inches 

 thick; 1\ miles of 18-foot, surfaced with 9 feet of gravel 6 inches thick, with 

 a maximum haul of 9 miles; and 6 miles of 18-foot road with 9-foot shell, 6 

 inches thick in the center. The bridges and culverts on this road are all concrete. 

 The following unit prices obtained : 



Clearing and grubbing, complete $50. 00 



Excavation, per cubic yard . 22 



Embankment, per cubic yard . 35 



Vitrified pipe, 12-inch, per foot, complete . 75 



Vitrified pipe, 18-inch, per foot, complete . 95 



Concrete pipe, 12-inch, per foot, hauling and placing only . 40 



Concrete pipe, 18-inch, per foot, hauling and placing only . 50 



Concrete piles, hauling and driving, per linear foot . 85 



Concrete, 1:2:4, per cubic yard 13.00 



Concrete, 1:3:6, per cubic yard 12.00 



Reinforcing steel, per pound . 0225 



Gravel road, per square yard . 44 



Shell road, per square yard .40 



Two bridges for the Intercoastal Canal, for highways Nos. 6 and 8, respec- 

 tively, were contracted for at the following unit prices : 



Wood pile drives below cut-off, per foot $0. 80 



Wood pile driven above cut-off, per foot . 80 



Concrete, 1:2:4, per cubic yard 13. 85 



Concrete, 1:3:6, per cubic yard 13. 10 



Supply and erection of steel work and turning machinery and the 



construction of two bridges 6, 580. 00 



38°— Bull. 2S4— 15 4 



