Weekly Updates

Week ending April 19, 2008

Coltin Electric
- Performed electrical work for Lord and Sons on maintenance and administration buildings.
RDT
- Ultraviolet Disinfection Chamber
  - Installed dewatering equipment and began to erect the forms for the base slab.
- Headworks
  - Began excavation for footings.
Lord and Sons
- Maintenance Bldg
  - Continued placement of rebar for foundations slab.
- Administration Bldg
  - Continued placement of re-bar for foundation slab.
NWF
- Backfill and grading of southeast access road.
Pre Con

Digester
- Continued setting of rebar and forms for rotorary drum thickener elevated slab.
Oxidation Ditches
- Oxidation Ditch #1 – Setting or reinforcing steel for end walls.
- Oxidation Ditch #2 – Setting or reinforcing steel for end walls.
Clarifiers
- Clarifier #1 - Structure complete.
- Clarifier #2 - Structure complete.

OCWS Construction Crews
- Concrete splash pads for RIBs 2 through 7.
- Completed installation of riser pipes.
- Completed installation of air supply tubing in progress.
- Initiated terminations of air supply lines inside junction boxes.
- Placement of rock for access road.