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Important: This activity will require that a. Unscrew the cartridge cap. <br /> workers enter the vault to remove the <br /> cartridges from the drainage system. b. Remove the cartridge hood. <br /> Method 1: c. Tip the cartridge on its side. <br /> a. Using an appropriate sling, attach Important: Note that cartridges <br /> the cable from the boom, crane, or containing media other than the leaf <br /> tripod to the cartridge being media require unscrewing from their <br /> removed. Contact CONTECH threaded connectors. Take care not <br /> Stormwater Solutions for to damage the manifold connectors. <br /> specifications on appropriate This connector should remain <br /> attachment devices. installed in the manifold and capped <br /> if necessary. <br /> This activity will require that workers <br /> enter the vault to remove the d. Empty the cartridge onto the vault <br /> cartridges from the drainage system floor. <br /> and place them under the vault <br /> opening for lifting. e. Set the empty, used cartridge <br /> aside or load onto the hauling truck. <br /> Important: Note that cartridges <br /> containing media other than the leaf f. Continue steps a through e until <br /> media require unscrewing from their all cartridges have been removed. <br /> threaded connectors. Take care not <br /> to damage the manifold connectors. 9. Remove deposited sediment from the <br /> This connector should remain floor of the vault and, if large amounts <br /> installed in the manifold and capped are present, from the forebay. This can <br /> if necessary. usually be accomplished by shoveling <br /> the sediment into containers, which, <br /> b. Remove the used cartridges once full, are lifted mechanically from <br /> (250 lbs. each) from the vault. the vault and placed onto the hauling <br /> truck. If Method 2 in Step 8 is used to <br /> Important: Care must be used to empty the cartridges, or in cases of <br /> avoid damaging the cartridges extreme sediment loading, a vactor <br /> during removal and installation. The truck may be required. <br /> cost of repairing components <br /> damaged during maintenance will be 10. Once the sediments are removed, <br /> the responsibility of the owner assess the condition of the vault and the <br /> unless CONTECH Stormwater condition of the manifold and <br /> Solutions performs the maintenance connectors. The connectors are short <br /> activities and damage is not related sections of 2-inch schedule 40 PVC, or <br /> to discharges to the system. threaded schedule 80 PVC that should <br /> protrude above the floor of the vault. <br /> c. Set the used cartridge aside or a. If required, apply a light coating of <br /> load onto the hauling truck. FDA approved silicon grease to the <br /> outside of the exposed portion of <br /> d. Continue steps a through c until the connectors. This ensures a <br /> all cartridges have been removed. watertight connection between the <br /> cartridge and the drainage pipe. <br /> Method 2: b. Replace any damaged connectors. <br /> 11. Using the boom, crane, or tripod, lower <br /> and install the new cartridges. Once <br /> ©2006 CONTECH Stormwater Solutions Toll-free:800.548.4667 6 of 9 <br /> contechstormwater.com Vault,CIF and Linear StormFilter Operation and Maintenance Guidelines <br />