Weekly Updates

Week ending April 5, 2008

Arbennie WRF

• Coltin Electric
  • Performed electrical work for Lord and Sons.
    
• RDT
  • Excavation for ultraviolet light disinfection system.
    
• Lord and Sons
  • Maintenance Bldg
    • Prepared sub-grade for base slab
  • Administration Bldg
    • Continued preparation of the foundation sub-grade.
• NWF
  • Finished grading for eastern access road and parking areas.
• Pre Con
• Digester
  • Setting of rebar and forms for rotorary drum thickener elevated slab.
• Oxidation Ditches
  • Oxidation Ditch #1 – Poured the concrete for the base slab, 654 cu yds.
  • Oxidation Ditch #2 – Continued placement of rebar for base slab.
• Clarifiers
  • Clarifier #1
    • Final cleanup of construction or pre-stressed structure.
  • Clarifier #2
    • Final cleanup of construction or pre-stressed structure.
• CDM
  • Monthly Progress Meeting.
  • Subcontractor Coordination.

RIBS

• OCWS Construction Crews
  • Installed Riser Piping for RIBs 7, 8, and 9.

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