February 2004 progress

Quick reference
— Ammonia treatment (biological aerated filtration, BAF)
— Phosphorus treatment (high-rate flocculated settling, HRFS)
— Secondary effluent pump station
— Operations building
— Storm drainage

Ammonia treatment (biological aerated filtration, BAF)

Southern half of the BAF gallery

Southern half of the BAF gallery

Louvers being installed along the north side of the BAF facility

Louvers being installed along the north side of the BAF facility

Louvers being installed in BAF cell 18

Louvers being installed in BAF cell 18

Individual BAF cells removing ammonia from the influent wastewater

Individual BAF cells removing ammonia from the influent wastewater

The BAF influent channel supplies an average of 65 million gallons per day

The BAF influent channel supplies an average of 65 million gallons per day

The BAF electrical room BAF backwash pumps

The BAF blower room.

The BAF blower room.

Phosphorus treatment (high-rate flocculated settling, HRFS)

Effluent piping and sand recirculating piping in the HRFS effluent gallery

Effluent piping and sand recirculating piping in the HRFS effluent gallery

Polymer feed line panel for HRFS tank 1

Polymer feed line panel for HRFS tank 1

Secondary effluent pump station

The completed pump station

The completed pump station

Operations building

Welding framing on the second floor of the operations building

Welding framing on the second floor of the operations building

Installing fireproof sheeting along the south side of the operations building

Installing fireproof sheeting along the south side of the operations building

Installing ferric chloride tanks in the chemical building

Installing ferric chloride tanks in the chemical building

Storm drainage

Storm line running toward manhole A9 Storm drain line

Installing a storm drain pipe

Installing a storm drain pipe