Tag: water supply
INTRODUCTION In municipal and industrial treatment environments, equipment survivability is dictated heavily by the presence of grit, rags, hydrogen sulfide (H2S), and fats, oils, and grease (FOG). For consulting engineers and utility managers, understanding exactly How to Specify Valves – Construction Service for Wastewater Service (Materials Coatings and Standards) is a critical skill that directly […]
Introduction In municipal water and wastewater applications, the vertical turbine pump (VTP) is the workhorse of high-capacity fluid movement. However, it is also frequently the source of significant maintenance frustration. Industry data suggests that mechanical seals and packing account for over 35% of unscheduled pump repair events. For engineers and plant managers, the challenge is […]
Introduction For municipal and industrial engineers, few equipment failures are as frustrating—or as messy—as a mechanical seal breach on a progressive cavity (PC) pump. While the stator and rotor are generally viewed as the primary wear components, the shaft seal is frequently the weakest link in the reliability chain. A seal failure in a sludge […]
INTRODUCTION The vast majority of municipal flood control and large-scale raw water intake infrastructure in North America was constructed between the 1950s and 1980s. Today, engineers face a critical ticking clock: massive concrete volute or vertical column axial flow pumps are reaching the end of their second or third lifecycle. The challenge is rarely as […]
FACILITY BASIC INFORMATION Plant Name: Henrico County Water Reclamation Facility (WRF) Location: 9101 WRF Road, Henrico, VA 23231 Operating Authority: Henrico County Department of Public Utilities (DPU) Design Capacity: 75 MGD (Million Gallons per Day) Current Average Flow: ~45-50 MGD Population Served: ~340,000 residents Service Area: Henrico County, portions of Goochland County, Hanover County, and […]
FACILITY BASIC INFORMATION Plant Name: North City Water Reclamation Plant (NCWRP) Location: 4949 Eastgate Mall, San Diego, San Diego County, CA 92121 Operating Authority: City of San Diego Public Utilities Department Design Capacity: 52 MGD (Liquid Stream Expansion) Current Average Flow: ~30 MGD (Varies by seasonal demand and Pure Water operations) Population Served: Approx. 800,000 […]
FACILITY BASIC INFORMATION Plant Names: Reclamation Plant No. 1 (Fountain Valley) & Treatment Plant No. 2 (Huntington Beach) Location: Fountain Valley and Huntington Beach, Orange County, California Operating Authority: Orange County Sanitation District (OC San) Combined Design Capacity: Approx. 372 MGD (Secondary Treatment) Current Average Flow: 185 MGD Population Served: 2.6 million residents Service Area: […]
The authoritative technical resource for the Norman, Oklahoma wastewater infrastructure. FACILITY BASIC INFORMATION Plant Name: Norman Water Reclamation Facility (WRF) Location: Norman, Cleveland County, Oklahoma Operating Authority: Norman Utilities Authority (NUA) Design Capacity: 17.0 MGD (Average Daily Flow) Peak Hydraulic Capacity: 42.5 MGD Current Average Flow: ~11.5 – 13.0 MGD Population Served: ~128,000 residents Service […]
Introduction to Intake Hydraulics For municipal and industrial engineers, the physical geometry of a pump station is often treated as secondary to the selection of the pump itself. However, industry data suggests that nearly 30% of premature pump failures—manifesting as vibration, cavitation damage, and bearing wear—are directly attributable to poor intake conditions rather than mechanical […]
Introduction One of the most persistent challenges in municipal and industrial water treatment design is the accurate measurement of fluid velocity and volumetric flow under varying hydraulic conditions. Engineers often default to legacy specifications without re-evaluating the underlying technology, leading to significant lifecycle cost discrepancies. A surprising industry statistic suggests that up to 30% of […]