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� <br /> � <br /> � 3. Open the doors to the vault and allow Replacement cartridges will be delivered to <br /> i the system to air out for 5-10 minutes. the site. Information conceming how to <br /> obtain the replacament cartridges is <br /> 4. Without entering the vault, inspect the available from CONTECH Stormwater <br /> ' inside of the unit, including components. Solutians. <br /> I — <br /> 5. Take notes about the externai and Warnfng: In ttie case �f a spill, the worker <br /> , intemal condition oi the vault. should abort maintenance activities until <br /> � the proper guidance is obtained. Noti(y the <br /> Be sure to record the level of sediment local hazard control agency and <br /> � build-up on the floor of the vault, in the CONTECH �tormwater Solutions <br /> forebay, and on top of the cartridges. If immediately. <br /> flow is occurring, note the level of water <br /> and estimate ihe (low rate per drainage To con�uct cartridgr� replacement 2nd <br /> f pipe. Record all observations. sedim�nt removal mainienance: <br /> I <br /> 6. Remove large loose dehris and trash 1. If applicable, set up safety equipment to <br /> Iusing a pole with a grapple or net on the protect ped�stnans from fall hazards <br /> , end. due to open vault doors or when work is <br /> being done near walkways or roadwsys. <br /> , 7. Close and iast�r� the door. <br /> i 2. Visually in�pect ttie externai condition of <br /> 8. Remove safety equipment. the unit and take notes concerning <br /> defecis/probl�ms. <br /> I9. Make notes about the Iccal drainage <br /> area relative to ongoing con=truction, 3. Oren the doors to the vault and allow <br /> erosion problems, or high ioading of !I�e system to air out for 5-10 minutes. <br /> I other materials lo the system. <br /> � 4. Nlithout enteriny the vault, give the <br /> 10. Finallv, review the condition reports from inside of the unit, including components, <br /> , the previous minor and major a general condition inspect�on. <br /> I <br /> maintenance visits, and schedule <br /> cartridge replacement if naeded. 5 Make notes about the external and <br /> intemal condition of the �ault. <br /> � Major Mafn�enance <br /> Give part�cular attenlion to recording the <br /> Depending on the configuration of ihe IPvel o(sediment build-up on the Floor of <br /> I particular system, a wcrker m;.y be required the vault, in the forebay, and on top of <br /> to enter ihe v2ult to perform some tasks. the internal components. <br /> I Important: If vault entry is required, OSHA 6. Remove large Ioose debris and tra,h <br /> rules for confined space er�?ry must be using a pole with a grapple or net on the <br /> followed. and. <br /> ( Filter cartridge replacement should �ccur 7. Using a boom, crane, or other device <br /> dur ig dry weather. It may be necessary to �dolly and ramp), offload the <br /> plug the filter inlet pipe if base flows exist. replacement cartridges (up to 150 Ibs. <br /> I Standing water present in the vault should each) and set aside. <br /> Ge regarded as pollutac and should be A. Remove used cartridges from the vaWt <br /> contained during this operation by using one of!he following methods: <br /> ; temporarily capping the manifold <br /> I connectors. <br /> ".?OC8 GCNTECH Sqrrnwmar�olulions Tolbfree'800�4B 46E 7 5 0(9 <br /> ... .,:•s•..•�-.ni^•r-rm VawLCiPanCL�.rearSlcrtnF�in,rJparaeonancMa�ntenacr.eGwCei�nes <br />