MLC Riprap Scour Rehab - Walla Walla

The Corps of Engineers, Walla Walla District, proposes to repair a section of riprap that has eroded in the Mill Creek channel just downstream of the Mill Creek Diversion Dam (across from Rooks Park. A scour hole has developed in this area. The Contractor will be required to fill the scour hole with approximately 200 TON of placed, keyed-in, rip rap and other well graded stone that is Contractor provided. Although flows are expected to be low during the Construction period, the Contractor will need to divert water away from the construction area and may need to pump some water out of the hole to complete the work.
  Plans (click to expand/collapse)
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Order files below, price will be calculated by SQFT
Name Size
C-101 - Plan and Section 230.8 KB
C-901 - Site Condition Photographs 5.8 MB
CD301 - Section Grouted Riprap Demolition 362.7 KB
G-001 - Cover Sheet and Location Maps 262.6 KB
G-002 - Index Sheet 61.8 KB
RC001 - Fish Ladder Concrete Outline Sheet No. 2 403.1 KB
RC002 - Diversion Site Plan and Section Sheet No. 4 425.0 KB
RC003 - Diversion Structure Plan and Section Sheet No. 6 462.2 KB
RC004 - Channel Rehabilitation Phase II Plan and Sections 267.3 KB