31 SE EVERETT MALL WAY 2025-07-25

3. Open the doors to 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 obtain the replacement cartridges is 4. Without entering the vault, inspect the available from Stormwater360. inside of the unit, including components. Warning: In the case of a spill, the worker 5. Take notes about the external and should abort maintenance activities until internal condition of the vault. the proper guidance is obtained. Notify the local hazard control agency and Be sure to record the level of sediment Stormwater360 immediately. build-up on the floor of the vault, in the forebay, and on top of the cartridges. If To conduct cartridge replacement and flow is occurring, note the level of water sediment removal maintenance: and estimate the flow rate per drainage pipe. Record all observations. 1. If applicable, set up safety equipment to protect pedestrians from fall hazards 6. Remove large loose debris and trash due to open vault doors or when work is using a pole with a grapple or net on the being done near walkways or roadways. end. 2. Visually inspect the external condition of 7. Close and fasten the door. the unit and take notes concerning defects/problems. 8. Remove safety equipment. 3. Open the doors to the vault and allow 9. Make notes about the local drainage the system to air out for 5-10 minutes. area relative to ongoing construction, erosion problems, or high loading of 4. Without entering the vault, give the other materials to the system. inside of the unit, including components, a general condition inspection. 10. Finally, review the condition reports from the previous minor and major 5. Make notes about the external and maintenance visits, and schedule internal condition of the vault. cartridge replacement if needed. Give particular attention to recording the Major Maintenance level of sediment build-up on the floor of the vault, in the forebay, and on top of Depending on the configuration of the the internal components. particular system, a worker may be required to enter the vault to perform some tasks. 6. Remove large loose debris and trash using a pole with a grapple or net on the Important: If vault entry is required, OSHA end. rules for confined space entry must be followed. 7. Using a boom, crane, or other device (dolly and ramp), offload the Filter cartridge replacement should occur replacement cartridges (up to 150 lbs. during dry weather. It may be necessary to each) and set aside. plug the filter inlet pipe if base flows exist. 8. Remove used cartridges from the vault Standing water present in the vault should using one of the following methods: be regarded as polluted and should be contained during this operation by Important: This activity will require that temporarily capping the manifold workers enter the vault to remove the connectors. cartridges from the drainage system. www.stormwater360.com Toll-free:800.548.4667 5 of 9 ©2005 Stormwater360 Vault,CIP and Linear StormFilter Operation and Maintenance Guidelines