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Easy Installation

BayFilter systems are installed along with the storm drain.  Installation procedures vary depending on the configuration you specify and we assist in designing and building for your particular BayFilter application.  Whether your project mandates the Manhole BayFilter system or the Pre-cast Vault BayFilter system, you’ll find BaySaver’ guidelines easy-to-follow for quick, foolproof installation.

Custom designed BayFilter systems may have particular installation concerns that will be addressed and resolved during the initial design phase.  Installation instructions and procedures for all custom BayFilter applications are included with the custom design documents.

The following installation procedures can also be found in the BayFilter System Technical and Design Manual
( View PDF or download to desktop).

Installing the Manhole BayFilter

  1. Contact utility locator to mark any nearby underground utilities and make sure it is safe to excavate.
  2. Reference the site plan and stake out the location of the BayFilter manhole.
  3. Excavate the hole, providing any sheeting and shoring necessary to comply with all federal, state and local safety regulations.
  4. Level the sub-grade to the proper elevation.  Verify the elevation against the manhole dimensions, the invert elevations, and the site plans.  Adjust the base aggregate, if necessary.
  5. Have the soil bearing capacity verified by a licensed engineer for the required load bearing capacity. On solid sub-grade, set the base of the BayFilter manhole.
  6. Check the level and elevation of the base unit to ensure it is correct before adding any riser sections.
  7. Add watertight seal (either mastic rope or rubber gasket) to the base unit of the BayFilter manhole.  Set riser section(s) on the base unit.
  8. Install the PVC watertight outlet manifold within the BayFilter manhole.
  9. Install the inlet pipe to the BayFilter manhole.
  10. Install the energy dissipator/level spreader at the system inlet location.
  11. After the site is stabilized, remove any accumulated sediment or debris from the manhole and install the BayFilter cartridges.

Installing the Precast Vault BayFilter

  1. Contact utility locator to mark any nearby underground utilities and make sure it is safe to excavate.
  2. Reference the site plan and stake out the location of the BayFilter vault.
  3. Excavate the hole, providing any sheeting and shoring necessary to comply with all federal, state and local safety regulations.
  4. Level the sub-grade to the proper elevation.  Verify the elevation against the manhole dimensions, the invert elevations, and the site plans.  Adjust the base aggregate, if necessary.
  5. Have the soil bearing capacity verified by a licensed engineer for the required load bearing capacity. On solid sub-grade, set the first section of the BayFilter pre-cast vault.
  6. Check the level and elevation of the first section to ensure it is correct before adding any riser sections.
  7. If additional section(s) are required, add a watertight seal to the first section of the BayFilter vault.  Set additional section(s) of the vault, adding a watertight seal to each joint.
  8. Install the PVC outlet manifold and outlet chamber system.
  9. Install the PVC outlet pipe in BayFilter vault.
  10. Install the inlet pipe to the BayFilter vault.
  11. Install the energy dissipator/level spreader at the inlet pipe.
  12. After the site is stabilized, remove any accumulated sediment or debris from the vault and install the BayFilter cartridges.