Archer Western, Brown and Caldwell begin expansion of Big Creek water recovery plant

ATLANTA, GA – The large-scale construction of Big Creek water recovery facilities in Roswell, Georgia, is officially underway. The Fulton County Department of Public Works Project of $300 million, the largest capital allocation in Fulton County history, is being completed through the archer Western and Brown and Caldwell design and construction joint venture.

When the plant was originally built in 1969, it had a processing capacity of approximately 0.75 million gallons consistent with the day (MGD). Over the years, to keep up with the exponential expansion of the region, it has expanded to 24 MGD. As many facility spaces approach the end of their useful life and in anticipation of an additional population and economic development, the facility is being modernized and expanded through the slow design and construction procedure to a capacity of 32 MGD.

The key elements of the task come with thick screening and gravel removal, number one clarification, biological nutrient removal, flat plate membrane filtration, offline equalization tanks, aerobic digesters, new electrical and instrumentation infrastructure and ultraviolet and post-aeration of effluents. An allocation has been designed that will reduce light, noise and odors when leaving the facility and, in particular, will improve the quality of life in the surrounding neighborhood. The new repair process, which incorporates membrane technology, will produce particularly cleaner water than the existing plant. Even at a higher flow capacity, river discharges will be reduced by up to 50% of existing permit limits. Construction equipment will also demolish and reuse various old or underutilized sections of the facility. Efforts will be made to recycle existing fabrics on site, eliminating up to 10,000 landfill trucks.

Construction is expected to have a 46-month schedule and be completed in 2024.

“Fulton County is committed to protecting the Chattahoochee River, our ultimate herbal resource. This vital historical assignment reflects our commitment to providing the highest quality facilities to our citizens in an environmentally sound manner while enabling economic expansion and progress in the area of northern Fulton County,” Fulton County Director of Public Works David Clark said.

The assignment is the most recent collaboration between Archer Western and Brown and Caldwell. In the past, the team has partnered with the award-winning Design and Construction Project at the Johns Creek Environmental Campus in Fulton County.

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The investment comes from Ca’s Proposition 1 Water Bonus, which is approved through voters.

The California Department of Water Resources (DWR) has awarded $83.9 million in Integrated Regional Water Management Program grants to communities in the state, adding Southern California’s San Diego.

The source of the investment comes from the voter-approved EAC Proposal 1, which enacted the Water Quality, Supply and Infrastructure Improvement Act 2014. desires in communities across the state.

“Water is such an important resource that is imperative, so we continue to take steps to give certain communities access to clean water, reliable flood coverage and healthy ecosystems,” said Karla Nemeth, DWR’s director. “These grants will help agencies and projects build local momentum by creating a more diverse portfolio of water sources, strengthening partnerships, and combating climate change.”

In San Diego County, $3.7 million has been provided to National City for a multi-profit network improvement allocation that will reduce the threat of home flooding along Paradise Valley Creek. The allocation will divert stormwater runoff to a biofiltration basin where contaminants will be removed and will also update the old concrete coating of the stream with more fish-friendly herb coasts.

Other key and grant amounts include:

The Integrated Regional Water Management Program (IWRM) is a collaborative effort to manage all facets of water resources in a region. The IRWM crosses jurisdictional, watershed and political boundaries; reaches multiple agencies, stakeholders, Americans and groups; and tries to address the divergent unrest and perspectives of all entities interested in mutual solutions.

This is the third investment grant circular to be published under this programme since April 2020. An upcoming grant of approximately $37 million for the Los Angeles/Ventura investment domain is expected to be announced soon. To date, about $175.1 million has been allocated under this program.

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