9419

• UCREFRP Catalog Number: 9419
• Author: Jones Construction.
• Title: Completion Report ofr Redlands Passageway.
• USFW Year: 1995.
• USFW - Doc Type: \
• Copyright Material: NO

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Fish Ladder

January 26, 1996, contractor begins excavation using a Drott 40 trackhoe to subgrade at station
0+52 to 0+86.

March 3, 1996, excavation for fish ladder is complete.

42-inch B.ypass Pipe

December 12, 1995, the contractor began excavation to sub grade for the 42-inch diameter
reinforced concrete pipe inlet at the forebay structure using a Cat D6 and Drott 40 trackhoe at
various times.

January 26, 1996, contractor continuing excavation to subgrade at station 0+52 to 0+86.

January 26, 1996, contractor began laying 42-inch diameter RCP pipe using the Drott 40
trackhoe from stub out at forebay structure downstream.

February 15, 1996, contractor places concrete for closure joint..

April 10, 1996, 42-inch pipe is hydro-tested and successfully passes.

Reference Photo Nos.CN-1745-417-16NA, CN-1745-417-17NA, CN-1745-417-137NA, and
CN-1745-417-138NA,

Backfill Around Structures

The concrete was allowed to cure for seven days prior to the placement of backfill.
Backfill is placed in 6-inch lifts and compacted with a vibratory plate compactor and walk:
behind sheeps foot roller compacter. A Bobcat 753 was used to place backfill close to the
structures.

February 13, 1996, contractor begins backfilling around forebay structure and wingwalls.

March 7, 1996 backfill completed around forebay structure and wingwalls.

February 15, 1996, contractor begins backfilling around entrance structure footer.

March 28, 1996, backfill completed around entrance structure. Sheet piling that protruded above
finished grade is cut off for contractor convenience instead of complete removal.

March 7, 1996, contractor begins backfilling around fish ladder.

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