GLENDALE WATER SUPPLY IMPROVEMENT PROJECT

1
GLENDALE WATER SUPPLY IMPROVEMENT PROJECT

• Construction Methodology
• December 2004

2
Construction Methodology/ Sequence

• Surface preparation
• Foundation stabilization
• Surface improvements
• Site restoration

3
2006 - Surface Preparation

• Prepare staging area
• Prepare stockpiling area
• Install access ramps into channel
• Divert surface flow (two diversions)
• Clear and grub within construction limits
• Excavate to top of foundation and stockpile

4
Foundation Stabilization

• Install Grout Curtain at the following locations
• weir structure
• fish and boat passage
• juvenile fish bypass
• concrete crib walls

5
Complete Phase 1 Construction

• Verify adequacy of installed grout curtain
• Demobilize foundation stabilization contractor
• Winterize project site

6
2007 Construct Surface Implements

• Construct fish and boat passage
• Divert surface flows through fish and boat
  passage
• Construct weir
• Construct concrete crib walls and backfill
• Construct juvenile fish bypass
• Construct Intake Structure Improvements
• Reconstruct West Riverbank
• Demobilize and Re-Vegetate

7
Construction Timeline

• 2006 Construction Season
• Prepare staging and stockpile areas
• Implement foundation stabilization
• 2007 Construction Season
• Construct surface improvement
• Restore project site