Auger Water Treatment Plant Expansion to 24 MGD

OWNER
City of Midlothian

ENGINEER
Freese and Nichols

COMPLETION DATE
April 2025

AMOUNT
19,474,578

Project Details

The work under this contract includes the installations and modifications necessary to accommodate additional equipment to allow additional plant volume, including

  1. Parallel 24-inch diameter raw water pipelines;
  2. 36-inch diameter raw water pipeline;
  3. Foundation preparation and soil pre-swelling for the Flocculation/Sedimentation Basins;
  4. Two (2) flocculation/sedimentation basins with flocculators, inclined plate settlers and launders, and traveling sludge collection system;
  5. One (1) pre-membrane strainer with piping, and valves;
  6. Six (6) low-pressure membrane units with piping, valves, instrumentation;
  7. One (1) air compressor and accumulator tank with piping, valves, and instrumentation;
  8. One (1) blower with piping, valves, and instrumentation;
  9. One (1) low-pressure membrane clean-in-place pre-heat system;
  10. One (1) on-site sodium hypochlorite generation system with piping, valves, support systems, and instrumentation;
  11. One (1) chlorine dioxide generator with piping and valves
  12. One (1) membrane backwash equalization basin and recycle pump station with piping, valves, and instrumentation;
  13. One (1) recycle pump station flow meter vault;
  14. Chemical storage and feed improvements;
  15. Yard piping; and
  16. Electrical and instrumentation items to support the above facilities.