Weekly Updates

Week ending December 15, 2007

Pre Con
- Digesters
  - Placed concrete cap around digesters.
  - Begin to pre-stress interior digester wall.
- Ox Ditches
  - Placed shotcrete for both the west and east walls.
- Clarifiers
  - Completed backfilling and compacting sub-grade for Clarifier 1.
  - Placed concrete encasement for both 42” influent and 18” RAS lines for Clarifier 2.
  - Hydrostatically tested both of the 42” and 18” lines for Clarifier 2.
  - Started backfilling and compacting sub-grade for Clarifier 2.

CDM
- General
  - Continues to prepare procurement packages from the various subcontractors, i.e., Mechanical, Architectural, Structural, and Electrical.
  - CDM’s safety director on site to address any deficiencies with CDM and subcontractors regarding safety.

OCWS Construction Crews
- County personnel continue to self perform the construction of ribs 2 through 3. The majority of the earthwork for ribs 1, 4 thru 18 is complete.
- Resumed installation of rib piping for ribs 11 and 12.