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Looking along axis toward left abutment from right bank of spillway. (Photographic Point No. 1) Excavation at left foreground is for completion of cutoff wall and placing lean concrete foundation under spillway inlet channel floor.
Looking along axis toward left abutment from centerline of spillway. (Photographic point No. 1). Upstream slope of embankment has been trimmed prepatory to placing riprap. Shelter in foreground is protecting the spiral stair shaft.
Looking along axis toward left abutment from right bank of spillway. (Photographic Point No. 1). Forms from left wall of spillway gate structure in foreground. Refer to Pine R - 351.
Looking along axis toward left from right bank of spillway. (Photographic point No. 1). Forms for spillway gate structure in foreground. Refer to Pine R - 318.
Looking along axis toward left abutment from right bank of spillway. (Photographic Point No. 1). Average elevation of fill - 7660. Refer to Pine R - 385.
Looking along axis toward left abutment from centerline of spillway. (Photographic point No. 1). Average elevation of embankment to right of temporary diversion channel is 7632 with good drainage slope toward upstream face. Refer to Pine R - 200.
Panorama of river channel looking downstream from the top of the cofferdam, station 11+25, showing sand deposit to the right and left of river channel. Refer to Pine R - 120 a, b, & c.
Panorama of river channel looking downstream from top of cofferdam at sta. 11+30. Cut-off trench excavation in foreground. Note sand deposits on each bank of river.
Looking across river channel toward right abutment from station 6+75. Timbering in test pit No. 11 is seen in partially excavated cut-off trench. Note sand deposits on each bank of the river.
Panorama of river channel looking downstream from top of cofferdam at sta. 11+30. Cut-off trench excavation in foreground. Note sand deposits on each bank of river.
Looking across top of permanent cofferdam toward right abutment showing progress of filling the space between the two cofferdams. Refer to Pine R - 104.
Panorama of river channel looking downstream from the top of the cofferdam, station 11+25, showing sand deposit to the right and left of river channel. Refer to Pine R - 120 a, b, & c.