A roll-off tub style container which is leak-proof to prevent liquids in the container from draining onto the ground or roadways. In one embodiment of the invention, the floor of the container has an upwardly and rearwardly extending inclined portion at the rearward end thereof to prevent liquid in the container from coming into contact with the tail gate of the container. In another embodiment of the invention, the rearward end of the container is elevated during transport to prevent liquid in the container from coming into contact with the tail gate. In yet another embodiment of the container, the floor of the container is inclined upwardly and rearwardly from the forward end thereof to the rearward end thereof. A liquid collection tank may be positioned beneath the floor of the container which has an inlet in fluid communication with the interior of the container and a discharge outlet provided thereon to permit liquid in the tank to be selectively drained therefrom.

A roll-off tub style container which is leak-proof to prevent liquids in the container from draining onto the ground or roadways. In one embodiment of the invention, the floor of the container has an upwardly and rearwardly extending inclined portion at the rearward end thereof to prevent liquid in the container from coming into contact with the tail gate of the container. In another embodiment of the invention, the rearward end of the container is elevated during transport to prevent liquid in the container from coming into contact with the tail gate. In yet another embodiment of the container, the floor of the container is inclined upwardly and rearwardly from the forward end thereof to the rearward end thereof. A liquid collection tank may be positioned beneath the floor of the container which has an inlet in fluid communication with the interior of the container and a discharge outlet provided thereon to permit liquid in the tank to be selectively drained therefrom.

A method of manufacturing a plurality of secondary containment panels and assembling and installing the panels in a secondary containment system of an above-ground liquid storage tank or other retention facility includes forming a plurality of flexible substrate pieces. A liquid impermeable coating is applied to the upper surface of each piece such that an edge segment of the piece remains uncoated. The coating is applied to the substrate piece in an indoor enclosure using a computer controlled robotic sprayer that applies a uniform coating. A system for coating secondary containment panels. An apparatus for spraying a coating on a secondary containment panels. The apparatus may be computer controlled and operate automatically to coat the surface of the panel.

A method of manufacturing a plurality of secondary containment panels and assembling and installing the panels in a secondary containment system of an above-ground liquid storage tank or other retention facility includes forming a plurality of flexible substrate pieces. A liquid impermeable coating is applied to the upper surface of each piece such that an edge segment of the piece remains uncoated. The coating is applied to the substrate piece in an indoor enclosure using a computer controlled robotic sprayer that applies a uniform coating. A system for coating secondary containment panels. An apparatus for spraying a coating on a secondary containment panels. The apparatus may be computer controlled and operate automatically to coat the surface of the panel.

A method for the construction of an improved tank base. A tank base is constructed for protection against accidental spills and/or leaks associated with a tank battery. The improved tank base comprises at least one part of a suitable substrate, which allows for the adhesion of an elastomer such as polyurea. Polyurea is preferably applied using a spray device which yields an average coverage of about 50-80 mils, and most preferably 60 mils. If more than one substrate is used, one or more substrates can be bound together with a fastening system. Once pressure is applied in the form of weight, the fastening system can be removed, resulting in an improved tank base having at least one seam and impervious to the fluid of the tank battery.

A method for the construction of an improved tank base. A tank base is constructed for protection against accidental spills and/or leaks associated with a tank battery. The improved tank base comprises at least one part of a suitable substrate, which allows for the adhesion of an elastomer such as polyurea. Polyurea is preferably applied using a spray device which yields an average coverage of about 50-80 mils, and most preferably 60 mils. If more than one substrate is used, one or more substrates can be bound together with a fastening system. Once pressure is applied in the form of weight, the fastening system can be removed, resulting in an improved tank base having at least one seam and impervious to the fluid of the tank battery.

A method of manufacturing a plurality of secondary containment panels and assembling and installing the panels in a secondary containment system of an above-ground liquid storage tank or other retention facility includes forming a plurality of flexible substrate pieces. A liquid impermeable coating is applied to the upper surface of each piece such that an edge segment of the piece remains uncoated. The coating is applied to the substrate piece in an indoor enclosure using a computer controlled robotic sprayer that applies a uniform coating. A system for coating secondary containment panels. An apparatus for spraying a coating on secondary containment panels. The apparatus may be computer controlled and operate automatically to coat the surface of the panel.

A method of manufacturing a plurality of secondary containment panels and assembling and installing the panels in a secondary containment system of an above-ground liquid storage tank or other retention facility includes forming a plurality of flexible substrate pieces. A liquid impermeable coating is applied to the upper surface of each piece such that an edge segment of the piece remains uncoated. The coating is applied to the substrate piece in an indoor enclosure using a computer controlled robotic sprayer that applies a uniform coating. A system for coating secondary containment panels. An apparatus for spraying a coating on secondary containment panels. The apparatus may be computer controlled and operate automatically to coat the surface of the panel.

This patent pertains to secondary containment systems. One implementation includes a support assembly that includes an elongate post member and a stabilization plate. In one instance, a stabilization plate is mounted on the elongate post member to reduce movement of the elongate post member when the stabilization plate is embedded in the ground. Another implementation includes a panel splice assembly including reinforcing members that secure overlapping, corrugated panels.

This patent pertains to secondary containment systems. One implementation includes a support assembly that includes an elongate post member and a stabilization plate. In one instance, a stabilization plate is mounted on the elongate post member to reduce movement of the elongate post member when the stabilization plate is embedded in the ground. Another implementation includes a panel splice assembly including reinforcing members that secure overlapping, corrugated panels.