Vallecito Dam Construction Project

Pages

: Euclid bottom dump truck in operation; Eighteen yard Euclid bottom dump truck in operation hauling No. 1 material. Note that tires are on surface during full load conditions. Truck at 23+40 on extreme upstream edge of fill., Original photo number: Pine R - 448

: Example of filter blanket fill; Material seen in foreground shows the type of material that is being placed in the 18-inch filter blanket at downstream toe of dam. Cobbles are in the cobble-fill section., Original photo number: Pine R - 146

: Excavating and loading rock; Excavating and loading rock at borrow pit for dumped riprap on upstream slope of embankment., Original photo number: Pine R - 205

: Excavating clay from borrow pit; Excavating clay in Borrow Pit No. 1, station 121+50/61+75. Cut is about 9 feet., Original photo number: Pine R - 163

: Excavating in bedrock; Excavating in bedrock at upstream right hand corner of trashrack structure., Original photo number: Pine R - 269

: Excavating rock for trashrack foundation; Excavating rock for foundation for the trashrack structure., Original photo number: Pine R - 273

: Excavating sand for concrete; Excavating sand for concrete. Borrow pit is about one mile upstream from dam., Original photo number: Pine R - 185

: Excavation for outlet conduit; Excavation for outlet conduit, looking downstream from station 6+00. Bulldozer in foreground is cleaning off bedrock., Original photo number: Pine R - 271

: Excavation for spillway foundation; Excavation to bedrock for placing lean mass concrete foundation under spillway inlet wall at left side, station 5+30 and 5+84. End of embankment cut-off wall placed in 1938 is seen in foreground. Refer to Pine R - 310., Original photo number: Pine R - 367

: Excavation of additional cut-off trench (1); Looking toward right abutment from axis sta. 7+75. Le Tourneaus are seen excavating additional cut-off trench in center of picture, and placing the material directly into the fill in the old river channel in the foreground., Original photo number: Pine R - 312

: Excavation of additional cut-off trench (2); Looking toward left abutment from sta. 20+00. Additional cut-off trench excavation in foreground. Refer to Pine R - 167., Original photo number: Pine R - 316

: Excavation of additional cut-off trench (3); Excavating additional cut-off trench. Looking toward left abutment from axis at sta. 20+00. Refer to Pine R - 167 and 171., Original photo number: Pine R - 317

Pages