Vallecito Dam Construction Project
Pages
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- Installation of foundation drainage system
- Installation of foundation drainage system on upper bench at upstream side of cut-off trench, left abutment., Original photo number: Pine R - 305
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- Installation of piezometer tips and copper tubing
- Installation of piezometer tips and copper tubing in No. 3 embankment in old river channel. Trenches are excavated anc backfilled by hand., Original photo number: Pine R - 089
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- Installation of piezometer tips and copper tubing
- Installation of piezometer tips and copper tubing in No. 3 embankment in old river channel. Note back-filling over copper tubing, using fine screened clay to prevent crushing of tubing by rocks., Original photo number: Pine R - 121
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- Intersection of cut-off trench and temporary diversion channel
- Placing embankment in cut-off trench at intersection with temporary diversion channel., Original photo number: Pine R - 282
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- Le Tourneau excavating cut-off trench
- Le Tourneau excavating additional cut-off trench in previously placed embankment., Original photo number: Pine R - 181
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- Le Tourneau loading with aid of a pusher
- Le Tourneau loading with aid of a pusher in embankment material being removed for additional cut-off trench., Original photo number: Pine R - 303
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- Le Tourneaus beginning additional cut-off trench excavation
- Looking toward left abutment from axis sta. 20+00. Le Tourneaus are starting excavation for the additional cut-off trench in the foreground., Original photo number: Pine R - 302
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- Loading Le Tourneau Carryalls
- Loading Le Tourneau Carryalls in tandem in the earth borrow pit, with the aid of a "pusher"., Original photo number: Pine R - 180
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- Loading aggregate for transportation
- Loading 1.5-inch aggregate for transportation from stockpile to mixing plant., Original photo number: Pine R - 445
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- Loading quarry rocks for riprap
- Loading rock for riprap at quarry. Note objectionable quantity of fine and small fragments. Refer to Pine R - 337., Original photo number: Pine R - 201
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- Loading riprap at rock Borrow Pit
- Loading riprap at rock borrow pit., Original photo number: Pine R - 206
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- Loading rock for dumped riprap
- Loading rock for dumped riprap at quarry seven miles upstream from dam. Compare with Pine R - 337., Original photo number: Pine R - 209