Pipe used in rehab of county sewer inceptions

Article Abstract:

The rehabilitation of two JO 'D' unit 108-inch interceptor pipes owned by the Los Angeles County Sanitation District (LACSD), located in and near Carson, CA, presented several challenges to contractor Hobas Pipe USA. LACSD wanted no flow diversion and no bypass pumping, and the liner pipe had to be installed under live flow conditions. A corrosion-resistant liner must also be installed to avoid future degradation. Hobas fabricated a liner with an OD of 87 inches and an ID greater than 83 inches to ensure low-risk fit and maximum flow capacity. The pipe had a minimum stiffness of 36 psi to allow for safe grouting of the annular space between the host ID and the liner OD.

Product information, Plastics Pipe and Pipe Fitting Manufacturing, Plastic Pipe, Sewer & Drainage, Plastic pipes, Hobas Pipe USA

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City of Hollywood revises industrial pretreatment program

Article Abstract:

The city of Hollywood, FL, implemented several steps to improve the industrial pretreatment program at its Southern Regional Wastewater Treatment Plant, which was found to be inadequate by the Florida Dept of Environmental Protection. Among these measures are the implementation of a continuous and active sampling and pretreatment inspection program; the use of 'near clean' sampling techniques for all sampling events; a pretreatment program for controlling grease; and the use of national laboratories for trace metal sampling.

Administration of Environmental Quality Programs, Resources, Environ & Energy-Municipal, Environmental policy

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Pending SSO regulations

Article Abstract:

The US Environmental Protection Agency (EPA) has come up with its proposed regulations for sanitary sewer overflows (SSO). Specifically, the proposed rules would cover capacity, management, operation and maintenance, prohibition on SSO, and reporting, record keeping and public notification. The regulations were created by the EPA to address the potential health risks posed by SSO.

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