• The tank is approved for burial to a depth of two (2) feet, unless otherwise indicated.
• Do not locate tank under pathway of vehicles or heavy equipment.
• Keep tank away from large roots and sharp rocks. Extra caution should be taken in clay or fine sand.
• Do not install tank in areas with high water table.

Installation Procedures

EXCAVATION

Allow enough clearance around the tank to properly place and compact back-fill around the tank.
Bedding should be well-compacted sand/gravel mixture, 6” minimum in soil terrain and 12” minimum in rock terrain, Shape bedding to suite underside of tank.

PLACING THE TANK

Prior to placing tank check for shipping damage Ensure that the tank is level with respect to Inlet & Outlet, before starting to backfill.

BACK – FILLING

Install manway cap, and cover open pipe connections prior to back-filling.
CAUTION: Lid must be kept in place during and after installation to avoid possible manway distortion.

Tank must be buried in Pea Gravel, surrounding the tank, as per drawing Back-fill in 12” maximum layers of pea gravel.
Important: Ensure back-fill is properly placed around the tank.

DURING installation of the tank

Check leveling of tank periodically during back filling.
Back-fill and install manway extension (if any) to the surrounding grade level. Refer to drawing.

PIPE CONNECTIONS

Make solvent weld pipe connections to pre-plumbed tank only when tank is firmly
secured and unlikely to shift during remaining back-filling.

IMPORTANT

The burial instructions of the Polyethylene Tanks for under ground application should always be followed.
These instructions are especially important where the soil contains rock or clay and should be strictly adhered to in order to avoid damage to the tank .
Failure to follow the burial instructions as they are outlined here, will void the warranty.
In case of conditions not covered in this text, please contact factory.