Articles Tagged with ''water/environment''

The $11.5-million Lift Station 87 Wet Weather Flow Transfer facility in St. Petersburg, Fla., is bolstering the city’s sewer and wastewater capabilities.

Developing the Centennial Yards Utility LDP 1 + 2 in Atlanta meant facing challenges from excavation to the tie-in for a project that is transforming 50 acres in the city’s downtown.

When a rotten egg odor began plaguing the El Rio Vista Natural Resource Park, local officials realized that it was coming from a Pima County wastewater sewer structure, which had undergone numerous modifications over the last 50 years.

Consisting of 28 miles of 48-in.-dia and 42-in.-dia steel pipe between the communities of Tohatchi and Little Water, N.M., this project brings a much needed water source to the Navajo and Jicarilla Apache reservations.

This conventional activated sludge wastewater treatment plant with nitrogen removal will treat 63 million gallons a day of wastewater from 500,000 residents.

While improvements to the South Bay International Wastewater Treatment Plant in San Diego have begun, local officials stress more money will be needed to stop the raw sewage overflow problem in the cross-border area.

Silicon Valley Clean Water undertook this project as part of a $580-million Regional Environmental Sewer Conveyance Upgrade Program to rehabilitate and convert its 50-year-old raw wastewater conveyance system that was at the end of its useful life from a force main system to a gravity conveyance system.

As part of the effort to remove, relocate and replace approximately 2.5 miles of the Escondido Canal that crosses through the San Pasqual Indian Reservation, the project team had to accomplish three major tasks.

When inspections discovered groundwater infiltration in three 72-in. aqueduct tunnels owned by the San Diego County Water Authority, a complex rehabilitation project became necessary.

On the site of a historic sea coast defense built in the late 1800s, this $4.5-million  shoreline stabilization project was designed to improve about 4,650 linear ft of shoreline with eroding banks that were unsafe for park visitors.