Baffle Boxes and Inlet Devices for Stormwater BMPs

Cementitious Liner Design for In Situ Manhole Rehabilitation

Sewers and Manholes with Polymer Concrete

Manhole Rehab
Using trenchless technology, two construction crews working on the Massachusetts Water Resources Authority's Wellesley Extension Relief Sewer project rehabilitated 83 manholes...

Manhole Inspection and Rehabilitation
Manhole structures are the principal means of access for collection system maintenance. Effective manhole inspection and rehabilitation are necessary to remove excessive manhole infiltration...

Physical Modeling to Determine Head Loss at Selected Surcharged Sewer Manholes
The head losses at sewer pipe junctions (manholes) under surcharged conditions were measured in a 1:6 scale model of a typical manhole with one main line passing through it and two perpendicular...

No-Dig Gains Ground
The Miami-Dade Water and Sewer Department (MDWASD), the regional wastewater utility of Metropolitan Dade County, is currently undertaking one of the Country's largest Infiltration/Inflow...

The Value of Internal Manhole Inspections

Trenchless Replacement & Corrosion Protection of Deteriorated Manholes

Wailupe Reconstructed Trunk Sewer ASCE Hawaiian Chapter Project of the Year 1993

Data Capture with GPS for Sewer Map Updates
The Cobb County Water System in suburban Atlanta, Georgia selected RJN Environmental Associates, Inc. to provide infiltration and inflow (I/I) source detection and mapping services in...

Manholes and Microtunneling
Contractors are for the Oakwood Beach Interceptor Sewer Project, on Staten Island, N.Y., were having difficulty. Glacial tills and a high water table made working 90 ft below the ground...

Inside the Manhole: New Design on a Leaky Link
Wastewater collection systems represent a major investment for every community, not only in capital dollars, but also in the well-being of community members. Though sanitary sewer manholes...

A Study of Liquefaction Countermeasures for Manholes Under the Pavement
The gravel drain method has proven to be an effective countermeasure for underground structures in liquefying ground. However, due to the road pavement, there is no draining passage through...

Manhole Rehabilitation
Manholes are frequently the forgotten element in infrastructure renewal. When they aren't properly maintained they allow excess water into the sewer system, and structural...

Advances in Trenchless Sewer System Reconstruction
The new developments and refinements in trenchless reconstruction technologies now permit total sewer system rebuilding of collectors, interceptors, manholes, service laterals, and force...

The New Generation of Pipeline Rehabilitation
The new advancements in pipelines reconstruction technologies now permit total sewer system rebuilding of collectors, drainlines, manholes, service laterals, and force mains without excavation....

Getting to the Root of Sewer Problems
The ability to quantify and qualify work schedule in a clear, logical and precise manner can make the difference between an effective preventive maintenance program and one of 'trying'...

Manhole Junction Flow
When a sewer surcharges, a basement floods, or sewage overflows, the likeliest source of the problem is sewer junction manholes. Poorly designed ones act as bottlenecks. Study of a few,...

Existing Sewer Evaluation and Rehabilitation
Guidlines for the evaluation and rehabilitation of sanitary sewers are presented. The purpose and scope of sanitary sewer rehabilitation is described. The major emphasis is on filtration...

 

 

 

 

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