A field problem that I recently investigated further strengthens the Suction Energy/NPSH Margin methodology that I’ve developed over the course of my career and discussed in several past WaterWorld Pump Tips columns. This is by no means the first such field validation of this methodology, just the latest.
WSSC Achieves Over 60% Reduction in Hydraulic Plan Review Cycle Times
Washington Suburban Sanitary Commission (WSSC) Development Services Group reviews hydraulic plans for approximately 160 proposed development plans per year.
WEFTEC.17 Show Preview
The 2017 Water Environment Federation Annual Technical Exhibition and Conference (WEFTEC.17) – considered the largest annual water quality event in the world – will take place Sept. 30-Oct. 4, 2017 at McCormick Place in Chicago, Ill.
Reservoir Management Tool for Real-Time Influent Water Quality Monitoring
Ixom Watercare’s Water Selector™ (patent pending) is a key part of effective raw water treatment and an integral component of a comprehensive reservoir management program.
Elastomeric Check Valves Streamline Water Flow at Popular Ski Area
The Spirit Mountain Recreation Area in Duluth, Minn., provides 175 acres for skiing and snowboarding, with 22 runs, a terrain park and freestyle features.
A Tank in a Tank at Norwest Water Reclamation Plant
In 2012, based on completed master plan and feasibility studies, the City of Lubbock, Texas, and its consulting engineer, Alan Plummer Associates Inc., identified the need to address rapid growth in the northwest quadrant of the city, given that the city’s main wastewater treatment facility was located at its southeast plant across town.
Underground Detention System Is a Home Run for Atlanta Braves’ New Stadium
The underground rainwater detention system designed by Oldcastle Precast for the Atlanta Braves’ new SunTrust Park stadium was a major win for the team.
Online Instrumentation for Low-Level THM Detection
The City of Paso Robles, Calif., operates a 4.9 MGD activated sludge wastewater treatment facility. In 2015, the facility was upgraded to a biological nutrient removal (BRN) process in order to address whole effluent toxicity in its discharge, primarily attributed to ammonia nitrogen.
Cloth Media Filters Replace Six Granular Media Units at Indiana Wastewater Plant
The Portland, Ind., Wastewater Treatment Plant had been using six granular-media filter units with a design average flow of 2.35 MGD for tertiary treatment since the 1980s.
Contractors appointed for Singapore’s deep tunnel sewerage system (phase 2)
Three contractors have been appointed by Singapore water agency PUB in a deal worth S$1.51 billion to develop deep tunnels and link sewers for DTSS Phase 2…