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1 Armour Ranch Road Bridge Emergency Repairs SB County Project Number 01STRM R015 Storm Damage caused during March 5 th 2001 storm.
2 Damage Description Scour hole discovered behind grouted rip rap bridge abutment protection. Scour hole caused by inadequate scour protection.
3 Inspection on 10/24/01 revealed dangerous situation prompting need for immediate action. Section View
4 Construction Began 10/29/2001 Breakup existing Rock Riprap over scour hole.
5 Exposed Bridge Piles
6 REPAIRS Remove undermined Rock riprap Grout behind bridge piles Fill void with rock and concrete
7 Scour Protection Toe Extension Extend toe 5 feet below existing depth.
8 Plan View Scour protection toe extension required to prevent future losses due to scour during storm events.
9 Filling toe trench.
10 Placing rock in trench.
11 Placing concrete in rock filled toe trench.
12 New and improved rock riprap bridge pile scour protection.
13 Finished Construction 11/7/2001.
14 Project Funding Office of Emergency Services $20,770 budgeted Actual Construction Cost = $93,542
15 The End
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