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9. Remove the used cartridges (26o Ibs. each) from the vault. <br />Care must be used to avoid demaging tho cartridges during removal and (nstallal(on. The cost of <br />'epalring componenls damaged during ms(ntenance will 6e the responsibllity nf thc� owner unless <br />S(ormwater Managemenl performs lhe mainlenanoe activiqes and damage is not related to <br />discharges to the system. <br />10. Sel ihe used cartridge �side or load onto the hauling truck. <br />11. �onqnue steps E� ihrou�h 10 untll all cartridges have been remo�ed. <br />12. �emove deposiled sedlmant from ihe iloor of the vault and, if largo �mounts are p�sent, from the <br />forebay_ This can usually be accomplfshed 6y shove!inc� lhe sediment fnto containers, which, <br />once full, a;o Ilfted mechanically irom the vaull and placed onto ihe haulin� truck. In some cases <br />o! extromo sedfinent loading, esper.lally (f lhe sedimo�t is saturated, 8 vaclor trucic may be <br />required. <br />13. Once the cedimehfs are removed, assess the condilion of the vaull end the condition of the <br />menlfold and connectors. The connectors are short sectlons of 2-Incft schedule 40 PVC, or <br />threaded schedule iS0 PVC tliat should protrvde abave the floor of the vault. <br />a. If roquirod, �pply 9 li�fit coaling of �DA epproved silfcon grease to the outs!de oi the exposed <br />portior, of the c�nnectors. 'fhis ehsur�;s a watertlght connec6an between ihe cartridge and <br />the drainaye pipe. <br />b. Replace any damaged connedors. <br />14. Usinr� the boom, crane, or tripod, lower oncl install lhe new cariridges. Once egafn, laico care not <br />to damag� conneotions. <br />15. Close and Fasten the door. <br />16. Remove satety equfpmenf, <br />17. Mako noles about lfio local dreinage area relafive to ongoinc� constructlon, eroslon problems, or <br />hlgh loadings of other materials to the system. <br />10. Finally, dlspose of I�ie residual materials in accorAance with applicable regulaUons. Make <br />arrdngelpents to fc:lurn the used cartridges l0 5tormwater Management Inc. <br />T(300.546.4667 F Q00.561,1271 W WWW.stormwaterfnc.com 9,. /z;' / <br />