0.73 Embankment-Class A, dams constructed by hydraulic monitor and dredge pump method .118 0.74 Embankment-Class B, dams constructed by semi-hydraulic method 119 0.75 Embankment-Class C, dams constructed by sprinkling and rolling method .120 0.76 Embankment-Class D, levees constructed with material from river channel excavation . . . . . . 121 0.77 Embankment-Class E, levees constructed with material from borrow pits 122 To save space the detail specifications for some items, as indicated by the asterisks below, are not printed in this volume. The omitted items include: First, all the highway specifications, which are based upon the standard specifications of the Ohio State Highway Department, and which are, therefore, readily accessible elsewhere; and second, numerous items of only minor intportance in these contracts, for which the specifications are, therefore, relatively brief. Item 1 Stream control at dams 2 Clearing and grubbing 3 Removal of buildings + Trimming and shaping slopes of river channels 5 Excavation, soil stripping Fage 133 135 ** 136 137 6, 7, 8, 6a, 7a, and 8a Excavation for new channels in channel improvements, for cutoff trenches and for stream channels........ 138 9, 10, and 11 Excavation for river channel improvements 12 Excavation-overhaul for river channel improvements 140 141 13, 14, 15, 13a, 14a, and 15a Excavation for outlet works and spillways at dams 142 22, 23, 24, 22a, 23a, 24a Excavation for retaining walls, bridge piers and flood gate structures, except at dams .... 147 25, 26, 27, 25a, 26a, and 27a Excavation and backfilling of trenches, except at dams ... 148 41 and 41a Concrete in outlet works, spillways, retaining walls, bridge piers, and similar structures .157 42 Concrete in conduit linings at dams 158 43 and 43a Concrete in aprons, paving at dams and similar flat shapes. 159' 44 and 44a Concrete in monolithic slope revetment .... 45 Concrete in flexible slab revetment or channel lining .160 .161 46 and 46a Concrete in culverts, bulkheads, gate chambers and similar structures, except at dams. .... ** 47 Concrete in manholes, catch basins, sewers, and similar shapes 61, 62, 63, 64x, 65, and 66. Paving for streets and highways 81 Raising, removing, and re-erecting existing steel bridges 82 Miscellaneous cast iron, wrought iron, and steel... 83 Bronze 84 Wire rope 85 Cleaning up 86 Pumping stations 87 Pumping equipment 88 Removal and re-erection of existing pumping and power stations (Inserted in back of volume.) General map of the Miami Valley. Diagram showing rainfall at Dayton, Ohio, 1893 to 1916. Diagram showing river stages at Dayton, Ohio, 1893 to 1916. |