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i . <br /> 1 <br /> � Important: This activity �vill require that Method 2: <br /> workers enter the vault to remove the <br /> ` cartridges from the drafnage syslem. a. Unscrew the cartridge cap. <br /> I <br /> Method 1: b.Remove the cartridge liood. <br /> ( a.Using an appropriate siing, attach a Tip the cartridge on its side. <br /> . , the cable trom the boom, crane, or <br /> I tripod to the cartridge beiny Important: PlotE+ that cartridges <br /> removed. Co:.tact SMI for containing meoi� other than the leaf <br /> , specifications on appropriate media require urscrewing from their <br /> I attachment devices, threaded connec'�rs. Take care not <br /> to damage the manifold connectors. <br /> Thls activity will require that workers This connector should remain <br /> ' enter the vault to remove the installed in the manifold and capped <br /> 1 cartridges from the drainage system if necessary. <br /> and place them under the vault <br /> � opening for liiting. d.Empty the carlridge onto the vault <br /> floor. <br /> Important: Nolc that carlridges <br /> � . containing media other than the leaf e.Set the empty, used cart�idge <br /> madia require unscrewing from their aside or load onto the hauling truck. <br /> ' threaded connectors. Take care not <br /> � , to damage the manifold connectors. f. Continue steps a through e until <br /> This connector shouid remain all cartridges have been removed. <br /> installed in the manifold and capped <br /> i(necessary. 9. Remove deposited sediment from the <br /> floor of ihe vault and, if large amounts <br /> b. Remove the used cartridges are present, from the (orebay. This can <br /> (250 Ibs. each)from lhe vauit. usually be accomplished by shoveling <br /> the sedimenl into containers, which, <br /> hnportant: Care must be used to once full, are lifted mechanically (rom <br /> avoid damaging the cartridges the vault and piaced onto the hauling <br /> durinc� removal and installation. The lruck. If Method 2 in Step 8 is used to <br /> cost of repairing components empty the cartridges, or in cases of <br /> damaged during maintenance will be extreme sediment loading, a vactor <br /> the responsibility of the owner truck may be required. <br /> uNess Stormwa(er Nanagement <br /> pertonns the maintenance activities 10. Once the sediments are removed, <br /> , and damage is not relat�d to assess the condition of the vault and the <br /> discharges to the system. condition of fhe manfioid and <br /> connectors. The connectors are short <br /> a Set the used cartridge aside or sections of 2-inch schedule 40 PVC, or <br /> ' load onto the hauling truck. threaded schedule 80 PVC that should <br /> prolrude above the floor of the vault. <br /> d.Continue steps a through c until a. if required, apply a light coating of <br /> • all cartridges �iave been removed. FDA approved silicon grease to the <br /> outside of the exposed portion of <br /> the connectors. This ensures a <br /> �vatertight connection between lhe <br /> cartridge and the drainage pipe. <br /> b. Replace any damaged connectors. <br /> Stonnwater ldanagement, Inc C�2004 StormFliter Oporalton and Maintenance Guidelinea 6 of 9 �� <br />