…significant and highly publicized pipeline failures, including major water mains, wastewater force mains, steam lines and gas transmission mains. This paper will describe the work being undertaken to meet the…
…Water Reclamation Facilities (WRFs): Albert Whitted WRF, NEWRF, NWWRF, and SWWRF. Plans are underway to decommission the Albert Whitted WRF and pump that service area’s wastewater to the SWWRF for…
…the removal of bisphenol A (BPA) by WWTPs and presents evidence that the compound should be effectively removed in well-operated activated sludge systems. The biological treatment of BPA has been…
…a commonly understood sense may not be the cause of such events, but rather a phenomenon that can be generally termed as a “rapid volume expansion.” The digestion mixing systems…
…homes experiencing chronic WIBs until other system improvements can be completed. „XƒnSimultaneously, the City commissioned five I/I Study Projects in priority areas that have numerous Designed Sewer Relief (DSR) structures…
…given compound. EPA has developed some criteria for endocrine disrupting compounds (EDCs), but the states have been slow to implement these criteria into standards within each state and their inclusion…
…the lowest possible concentration to which a compound of interest can be reduced using a particular technique. In its broadest sense, the term is applied to convey the lowest achievable…
…P2-90) at the Sanitation District’s Plant No. 2 was completed August 2006, within an aggressive schedule dictated by an EPA Consent Decree. While schedule compliance was the key driver, other…
Fundamental improvements in conditioning and dewatering can be accomplished with an accurate understanding of the biosolids being processed. Historically, the structures of sludges and biosolids have often been likened to…
Comprehensive water resource management efforts increasingly recognize the value of integrating water, wastewater, stormwater, and land planning as vital activities to sustain local infrastructure. This comprehensive, watershed-based approach to resource…
…Brown and Caldwell was initially contracted by the City to: • Inventory all large diameter pipelines • Collection of background data including plans, as-builts and shop drawings from the City…
…in prioritizing inspections are insufficient, as they do not take into account a deeper understanding of the variables leading to structural or operational failure, or of the impact of failures…