Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Case Study: Using Trenchless Technologies with Conventional Methods to Construct a Sanitary Sewer Rehabilitation Improvements Project
Sanitary sewer overflows (SSOs) are a nationwide problem caused by aging infrastructure. Increased flows from a growing user base, coupled with the introduction of rain water and groundwater through leaky joints and system breaks, are the cause of SSOs. The City of St. Petersburg's original sanitary sewer system was constructed in 1933, with most of the remaining portion built between 1950 and 1962. The system is divided into four service areas designated as: Northwest (NW), Northeast (NE), Southwest (SW), and Southeast (SE). Each of these service areas has a wastewater reclamation facility associated with the system. Combined, these areas include approximately 19,400 manholes, 900 miles of collector sewer, 470 miles of sewer lateral, 77 lift stations, and 49 miles of force main. Significant rain events and a hurricane in 1995 accentuated the SSO problem within the City system. In response to this situation, the State of Florida served the City of St. Petersburg with a consent order, which required a complete analysis of the sanitary sewer system and implementation of a master plan for improvements. The City conducted an evaluation of its sanitary sewer system, and the results were presented in a report entitled "Sewer System Evaluation and Management Program" (SSEMP) (March, 1998). Several significant rehabilitation, maintenance, and capital improvement projects were identified in this evaluation to prevent SSOs during storm events and to comply with the State's consent order. The topic of this paper is one of the projects recommended for immediate implementation in the SSEMP report. This project will be implemented in the NW service area.
Case Study: Using Trenchless Technologies with Conventional Methods to Construct a Sanitary Sewer Rehabilitation Improvements Project
Sanitary sewer overflows (SSOs) are a nationwide problem caused by aging infrastructure. Increased flows from a growing user base, coupled with the introduction of rain water and groundwater through leaky joints and system breaks, are the cause of SSOs. The City of St. Petersburg's original sanitary sewer system was constructed in 1933, with most of the remaining portion built between 1950 and 1962. The system is divided into four service areas designated as: Northwest (NW), Northeast (NE), Southwest (SW), and Southeast (SE). Each of these service areas has a wastewater reclamation facility associated with the system. Combined, these areas include approximately 19,400 manholes, 900 miles of collector sewer, 470 miles of sewer lateral, 77 lift stations, and 49 miles of force main. Significant rain events and a hurricane in 1995 accentuated the SSO problem within the City system. In response to this situation, the State of Florida served the City of St. Petersburg with a consent order, which required a complete analysis of the sanitary sewer system and implementation of a master plan for improvements. The City conducted an evaluation of its sanitary sewer system, and the results were presented in a report entitled "Sewer System Evaluation and Management Program" (SSEMP) (March, 1998). Several significant rehabilitation, maintenance, and capital improvement projects were identified in this evaluation to prevent SSOs during storm events and to comply with the State's consent order. The topic of this paper is one of the projects recommended for immediate implementation in the SSEMP report. This project will be implemented in the NW service area.
Case Study: Using Trenchless Technologies with Conventional Methods to Construct a Sanitary Sewer Rehabilitation Improvements Project
Castronovo, Joseph P. (Autor:in) / Abbaspour, David (Autor:in)
Pipeline Engineering and Construction International Conference 2003 ; 2003 ; Baltimore, Maryland, United States
New Pipeline Technologies, Security, and Safety ; 1374-1383
08.07.2003
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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