Weekly Updates

Week ending March 8, 2008

Arbennie WRF

• Coltin Electric
  • installing conduit for primary feeds.
    
• RDT
  • Mobilized on site
    
• Lord and Sons
• Mobilized on site
• NWF
  • Entrance Road and Parking
    • Grading for Maintenance and Admin Building in Progress
• Pre Con
• Digester
  • Placed concrete filet inside inner wall
• Oxidation Ditches
  • Oxidation Ditch #1
    • Placement of rebar for base slab
    • Backfilling for 42" RAS/WAS line
  • Oxidation Ditch #2
    • Placement of rebar for base slab
    • Backfilling for 42" RAS/WAS line
• Clarifiers
  • Clarifier #1 - Pre-stressed exterior walls. Placement of shotcrete for exterior layer.
  • Clarifier #2 - Placed concrete for launder. Began pre-stress of exterior walls.
• CDM
  • Weekly Meetings

RIBS

• OCWS Construction Crews
  • Flushed 30" and RIB 15 piping
  • Grading of RIBs 12 through 18
  • Installation of piping for RIBs 5 through 1
  • Installation of Riser Pipes for RIBs 15 and 16

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