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lY/3lf/'10Vi3 16:30 4257780409 THE h1CNA�GHTON GROUP <br />PAGE 04 <br />� <br />r�uroo�a�tn <br />pl�[flMpy .,� <br />CFI(IIII)UpC _� <br />RMI[Ui _� <br />SCf�V00b�G4E0uAmiR ,�� <br />VA9(�4�utiNHmo�p o ..D <br />N�Of1U1R�rv1AN�11Mp <br />mttmowim t�:T�"rown�rtoon <br />Priming System Funclion <br />o�a..��E <br />Rmt <br />IIOOD <br />ONLN6CpEF11 <br />Cnti0WA,3[�NMAY <br />�— IRIVIM[ON <br />�� IIM11MF211 <br />Ffyure 1. Tlie StonnFllter Cartrldge <br />�'Wll{W0� <br />When stormwaler in the StormFilter unil enlors a SlonnFi!ler cartridye, it percolates horizuntally <br />ihrough the cartridge's filler rnedia and coliecls in the cenler tube of the cartridge, whefe lhe iloat in <br />the carlridge is in a closed (downward) positlon. <br />Water coniinues to pass throuyti ihe fiiter media and into the cartridge's center tube. Tlie alr In tl�e <br />cartridye is dispi�ced by the water and puryed from beneath the fllter hood throuyh the ono-way <br />check valve loraled in the cap, Once the cenlef lube is filleel willl waler (approximately 1II inches <br />deep), there Is enouc�h buoyanl forco on the floal to open lhe fioat valve and allow the treafed water <br />in the ce�iter lube lo (low inlo lhe under-drain manifold. This causes lhe ched< valve to close, <br />initialing a siphon that draws polluted water tliroughout the full surface aroa and volume of lho filter. <br />Thus, the enlire filter cartiidge is used lo filler waler lhroughout lhe duration of the stom�, regardless <br />of lhe water surface elevation in lhe unil. This siphon continues imtil the water sur(ace elevation <br />drops to Iho elevalion of the hood's scrubbing regulators, <br />The cartridges are connecled to Ihe under-drain manifold with a plastic connector. 5ince some media <br />used is poteniially buoyant, a threaded connectof affixed to the under-drain manifold (wilh giue or <br />other adhesive) is necessary to ensure Ihaf lhe cartridye isn't lifted out of place. For the heavier <br />compost media, a slip connector is Used. <br />The Stormf-iller is also eGuippod wilh (low spreaders ihal irap floating debris and surface films, rven <br />during ovorflow condilions. Depending on individual site characteristics, some syslems �arc.::,����ped <br />with liigh andlor base flow bypassos. Higli 11ow bypassos are inslailed when lhe c�iculated pea�c <br />storm event generates a ilow that over�wmes tha cverflo�v capacily of lhe sysiem. This is especlally <br />(�'�') <br />�% <br />T 800.548.RG67 F U00.5G1.1271 W www.�tormwaterinc.corn 2 <br />