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I <br /> I Important: Note that cartridges containing media other than 11. Close and fasten the door. <br /> the leaf media require unscrewing from their threaded 12. Remove safety equipment. <br /> connectors.Take care not to damage the manifold 13. Finally, dispose of the accumulated materials in accordance <br /> connectors.This connector should remain installed in the I <br /> manifold and capped if necessary. with applicable regulations. Make arrangements to return the <br /> used empty cartridges to CONTECH Stormwater Solutions. <br /> D. Empty the cartridge onto the vault floor. Reassemble the <br /> empty cartridge. <br /> E. Set the empty, used cartridge aside or load onto the I IIIIN i k = '4 <br /> _: <br /> hauling truck.I <br /> F. Continue steps a through e until all cartridges have been <br /> removed. <br /> :. : <br /> I <br /> FA <br /> IIII <br /> • , <br /> I <br /> 4KEli MMa '�°d <br /> . -" 1 \ <br /> 111 a. <br /> I - , , II <br /> s <br /> 14 <br /> I 8. Remove accumulated sediment from the floor of the <br /> vault and from the forebay.This can most effectively be <br /> accomplished by use of a vacuum truck. taw <br /> I 9.Once the sediments are removed, assess the condition of the <br /> vault and the condition of the connectors.The connectors s`'"' ' ..; <br /> are short sections of 2-inch schedule 40 PVC, or threaded M m } "`41 y< <br /> schedule 80 PVC that should protrude about 1"above the <br /> ---_,_ .*- <br /> floor of the vault. Lightly wash down the vault interior. <br /> a. If desired,apply a light coating of FDA approved <br /> silicon lube to the outside of the exposed portion of <br /> I the connectors.This ensures a watertight connection <br /> between the cartridge and the drainage pipe. <br /> b. Replace any damaged connectors. <br /> I10. Using the vacuum truck boom,crane, or tripod, lower and <br /> install the new cartridges.Once again, take care not to <br /> I <br /> damage connections. <br /> I 5 <br />