Laserfiche WebLink
��� S�AL.ECO�[�O�IIIES <br /> Benefits of STEP Systems <br /> Michael Hines Subsequently,the pump industry I Design Considerations <br /> eptic tank effluent pump(STEP) I developed the high-head turbine pump A STEP system consists of two ma- <br /> systems haverevolutionized efts- rated for use in the corrosive sewer for component groups— <br /> the STEP trait <br /> ' at a building and the collection system <br /> ter system development.Prior to ( environment.This pump is installed in <br /> the 1980s,sewer systems in rural or the pump <br /> U vault <br /> tsof a oraeen te prevent to k and solids(� receiving aow ervertl e om all <br /> puf pose <br /> suburban locations were restricted by I protected Y" <br /> larger than 3 ram{0.125 fn.)in diameter I of prunits,oviding a watertight pumping <br /> technology to gravity collection systems <br /> designed using conventional municipal from entering the vault.Prior to that,the I cyst l ht,structurallyem,the sound concrete <br /> sewer system design criteria.This usu- STEP industry relied on sump pumps, g <br /> ally resulted in small delopments which were less susceptible to influ-I or fiberglass tank,ahigh-head turbine <br /> ram(8 fn.) ent solids but were unable to develop pump,a screened pump vault, <br /> being served by sewers`ev and the ev <br /> to the higher heads of high-head turbine I control panel to operate the pump. <br /> and larger,laid with sufficient slope I pumps.This development gave STEP STEP pumps are selected to produce <br /> transport solids,and equipped with to <br /> merous manholes,cleanouts,and lift sta- designers more flexibility when using sufficient flow at the system head tions.Invariably,these systems leaked I smaller-diameter pipes laid at a uniform transfer all of the received wastewater <br /> r allow the <br /> and usually hydraulically overloaded - depth,thereby eliminating expensive ex- flow at a rate that will neithe <br /> the treatment units at the end of the line cavation and installation requirements tank to surcharge nor cause sufficient <br /> —generally packaged,extended aera- and expensive manholes and cleanouts turbulence in the tank to resuspend. <br /> tion,activated sludge systems—during of conventional sewers that are still the 0 37 kW 0-5-11 settled solids.T,1115-V,STEPically,a Pump <br /> Will <br /> and after wet weather events, major sources of infiltration. { P)�_ -. p p <br /> Tired of repaaOn�g expensive sensor <br /> caps ip � 0 O icaa DO probes <br /> (ns� e1G optic ) o-,ed oxygen $ <br /> s = Is <br /> A � 41i iP t <br /> iou� �r�any <br /> WL stay ahead of the competition, <br /> iire�iave c�eleie oti ��,arycap for the m. lipnrtait sensor our <br /> head � � ":rd�the�lac�al nicrep in your al, <br /> Inside 1rrtrmntationr�up <br /> ph 935 639 0008 <br /> e•mall info@insiteig:com� <br /> l y web•wwwAnsiteig.com <br /> I.. Q WELT.WWW.WGP.oitGJMAGAZINE <br /> t <br /> { <br />