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I <br />1 <br />Important: This activity will require that <br />a. Unscrew the cartridge cap. <br />workers enter the vault to remove the <br />1 <br />cartridges from the drainage system. <br />b. Remove the cartridge hood. <br />Method 1: <br />c. Tip the cartridge on its side. <br />1 <br />a. Using an appropriate sling, attach <br />Important: Note that cartridges <br />the cable from the boom, crane, or <br />containing media other than the leaf <br />tripod to the cartridge being <br />media require unscrewing from their <br />1 <br />removed. Contact CONTECH <br />threaded connectors. Take care not <br />Stormwater Solutions for <br />to damage the manifold connectors. <br />specifications on appropriate <br />This connector should remain <br />1 <br />attachment devices. <br />installed in the manifold and capped <br />if necessary. <br />This activity will require that workers <br />1 <br />enter the vafflt to remove the <br />d. Empty the cartridge onto the vault <br />cartridges from the drainage system <br />floor. <br />and place them under the vault <br />opening for lifting. <br />e. Set the empty, used cartridge <br />1 <br />aside or load onto the hauling truck. <br />Important: Note that cartridges <br />containing media other than the leaf <br />f. Continue steps a through a until <br />1 <br />media require unscrewing from their <br />all cartridges have been removed. <br />threaded connectors. Take care not <br />to damage the manifold connectors. <br />9. Remove deposited sediment from the <br />This connector should remain <br />floor of the vault and, if large amounts <br />1 <br />installed in the manifold and capped <br />are present, from the forebay. This can <br />if necessary. <br />usually be accomplished by shoveling <br />1 <br />b. Remove the used cartridges <br />the sediment into containers, which, <br />once full, are lifted mechanically from <br />(250 lbs. each, from the vault. <br />the vault and placed onto the hauling <br />truck. If Method 2 in Step 8 is used to <br />1 <br />Important: Care must be used to <br />empty the cartridges, or in cases of <br />loading, a vactor <br />avoid damaging the cartridges <br />extreme sediment <br />during removal and installation. The <br />truck may be required. <br />1 <br />cost of repairing components <br />damaged during maintenance will be <br />10. Once the sediments are removed, <br />the responsibility of the owner <br />assess the condition of the vault and the <br />unless CONTECH Stormwater <br />condition of the manifold and <br />1 <br />Solutions performs the maintenance <br />connectors. The connectors are short <br />activities and damage is not related <br />sections of 2-inch schedule 40 PVC, or <br />to discharges to the system. <br />threaded schedule 80 PVC that should <br />protrude above the floor of the vault. <br />c. Set the used cartridge aside or <br />a. If required, apply a light coating of <br />load onto the hauling truck. <br />FDA approved silicon grease to the <br />outside of the exposed portion of <br />1 <br />d. Continue steps a through c until <br />the connectors. This ensures a <br />all cartridges have been removed. <br />watertight connection between the <br />cartridge and the drainage pipe. <br />1 <br />b. Replace any damaged connectors. <br />Method 2: <br />11. Using the boom, crane, or tripod, lower <br />1 <br />_._._Ston_,water:_ <br />and install the new cartridges. Once <br />_f9 <br />.....O <br />6Y2006 CONTECH Stormwaler Solutions Toll•free: 800.548.4667 6 of 9 <br />1 <br />conlechstormwatecwm Vault, CIP and Linear SlnnnFilter Operation and Maintenance Guide,*, as <br />