Weekly Updates

Week ending April 12, 2008

Arbennie WRF

• Coltin Electric
  • Performed electrical work for Lord and Sons.
    
• RDT
  • Excavation for ultraviolet light disinfection system.
    
• Lord and Sons
  • Maintenance Bldg
    • Placement of rebar for foundations slab.
  • Administration Bldg
    • Placement of rebar for foundations slab.
• NWF
  • Backfill and grading of southeast access road.
• Pre Con
• Digester
  • Setting of rebar and forms for rotorary drum thickener elevated slab.
• Oxidation Ditches
  • Oxidation Ditch #1 – Erection of diaphram for end walls.
  • Oxidation Ditch #2 – Placed 645 cubic yards of concrete for base slab.
• Clarifiers
  • Clarifier #1
    • Structure complete.
  • Clarifier #2
    • Structure complete.
• CDM
  • Monthly Progress Meeting.
  • Subcontractor Coordination.

RIBS

• OCWS Construction Crews
  • Concrete splash pads for RIBs 7 through 18.
  • Installed riser pipes 6, 7, 8 and 9.
  • Installation of air supply tubing in progress.

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