Los Angeles Trade and Technical College

Los Angeles Trade and Tech College|Los Angeles, CA|600 GPM - 26.2' TDH

jweddell500gpm - 1,000gpm, Pacific, Schools, Stormwater, Stormwater Runoff

The expansion of a college campus required this stormwater pump station to handle medium flows of stormwater runoff. To meet the required pumping rate, 7.5 hp Ebara submersible centrifugal pumps were designed in a duplex configuration. This pumping system was designed with dual force mains and check valves integrated in the discharge piping to simplify the engineering for the system. Romtec Utilities provided the complete electrical engineering plans for the UL listed control panel. Floats for primary and backup liquid level-sensing were supplied to give the system added redundancy.

Solyndra Commercial Complex

Solyndra|Fremont, CA|450 GPM - 35' TDH

jweddell300gpm - 500gpm, Pacific, Stormwater, Stormwater Runoff

This new commercial complex required two new stormwater pump stations designed to meet low flows of runoff. The manholes and hatches were designed at grade to integrate seamlessly with the brick patio and walkway. Submersible centrifugal pumps in a duplex configuration discharge to below grade valve assemblies accessible by valves cans. The UL listed control panels are contained by stainless steel NEMA enclosures and include intrinsically safe barriers. Both lift stations were designed with the same primary components for site standardization.

Official Logo for Orange County Water Distrct

Orange County, California|Anaheim, CA|4,500 GPM - 32.5' TDH

jweddell1,000gpm - 5,000gpm, Booster Pump Station, Clean Water Intake, Design and Engineering, Detention Ponds, Domestic Booster Systems, Domestic Water Development, Inlet Outlet Structures, Pacific, Potable Water, Stormwater, Stormwater Runoff, Water Recharge, Water Reuse

To create new potable water, this lift station pumps clean stormwater from a collection/storage basin to a treatment facility. Duplex vertical turbine pumps move high flows of water very efficiently and use soft starters to reduce torque on the vertical shaft and provide additional pump diagnostics. Also included is an above-grade valve assembly on the top slab. The control panel utilizes an ultrasonic transducer for primary level controls and a pressure transducer for backup. The entire package lift station is located inside an owner-supplied control building.

Sacramento Municipal Utility District

Municipal Utility District | Sacramento, CA | 172 GPM - 94' TDH

jweddell100gpm - 300gpm, Detention Pond Pumping, Detention Ponds, Flood Control, Inlet Outlet Structures, Municipal Collection, Pacific, Stormwater Runoff, Wastewater

The newly constructed headquarters for the Sacramento Municipal Utility District purchased this package lift station to meet its medium sewage flow requirements. Submersible solids-handling pumps in a duplex configuration were specified in a deep well because this facility represents one of the ten largest public utilities in the country.