909 SIEVERS-DUECY BLVD BASE FILE 2016-01-01 MF Import

i � � 3. Open 1he doors lo the vault and allow Replacement cartridges will be delivered to the system to air out for 5-10 minutes. the site. Information concerning how to I obtain the replacement cartridges is 4. Withoul entering the vault, inspect the available from Stormwater Management, inside of thc unit, including cornponents. Inc. � 5. Take notes about tl;e extemal and Warning: In the case of a spill, the worker inlernal condition o(the vault. should abnrt maintenance activities until � the proper guidance is obtained. Nolify the Be sure to record the Ievei of sediment local hazard control agency and build-up on the floor of the vault, in the Stormwater Management inc. immediately. fore6ay, and on top of the cartridges. If I flow is occurring, note the level of water To conduct cartridge reptacement and and estimato the flow rate per drainage sedime�t removal maintenance: ' pipe. Record all obs�rvations. ( 1. If appiicable, set up safety equipment to � 6. Remove large loose debris and trash protect pedestrians from fall hazards • � usiny a pole with a grapple or net on the due to open vault doors or when work is end. being done near ti�alkways or roadways, ` , . 7. Close and fasten the door. 2. Visually inspect the external condition of ;he unit and ttike notes conceming � 8. Remove safety equipment. defectslproblems. 9. Make notes about lhe locai drainage 3. Open the doors to the vault and allow I area relative to ongoing construction, the system to air out for 5-10 minules. erosion problems, or high �oading of other materials to thc� system. 4. Without entering the v2ult, g;ve the inside of the unit, including components, � 10. Finally, review the ccndition reports irom a general condition inspection. the previaus minor and major maintenance visits, and schedule 5. Make notes about lhe extemal and I cartridge replacement if needed. internal condition of the vault. � Major Maintenance Give particular attention to recording the level of sediment buiid-up on the floor o( '� , Depenoino on the con(iguration of the the vault, in the forebay, and on top of particular system, a workar may be required the intemal componenis. lo enler the vault to perform some tasks. : i , G. Remove large loose debris and trash ! Important; I( vault enlry is required, OSHA using a pole with a grapple or net on the rules for confined space entry must be end. followed. 7. Using a boom, crane, or other device Filter cartridc�e repiacem2nt shouid occur (dolly and rainp), offload the during dry wealher. Il mav be necessary to replacement carridges (up to 150 Ibs. plug lhe filter inlet pipe if base flows exist. each) and set aside. Standing water present in lhe vault should 8. Remove used cattridges from the vault be regarded as polluted and should be using one of lhe following methods: contained during this operation by temporarily capping the manifold ��onneclors. � Stormwater Nanagemenl, Inc.02A04 StormFilter Operetlon and Malntenance G�4dellnas 5 of 9 �.