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CONTAINMENT COLLARS The protection of storage system components above the tank top begins with the containment collar. CSI containment collars are factory bonded to the tank wall and are available in single and double-wall models.The containment collars are built to fit CSI tank sumps and come with an adhesive channel for easy installation. Double-wall containment collars, when combined with CSI double-wall sumps will continuously monitor the entire containment area for leaks from tank top to grade providing secondary containment for spilled liquids. POLYGON BODY A CSI tank sump bodies are available in both round and polygon shapes. Polygon body styles are octagonal with 8 flat sides which allows piping to penetrate the sump at 450 angles. Electrical connections, submersible pumps, anything protected by the sump can be accessed easier using a ' flat-paneled polygon sump body. ROUND BODY EXTENSION&ENCLOSURETOP Fill/Vapor lids come in two popular cuff Round fiberglass sump body extensions are available in one foot sizes and include an observation port as increments to accommodate the final tank burial depth. a standard feature. The enclosure top is a factory bonded transition point from the body extension to the lid and includes a watertight gasket.The enclosure top and lid is designed to fit inside a standard 36"manhole at grade. On hydrostatic double-wall models, the enclosure top includes a built in reservoir which houses a sensor for electronic monitoring. CSI tank sumps are manufactured and shipped as individual components such as sump bodies,enclosure tops and adhesive kits. Each sump is then assembled in the field following a set of written installation instructions approved by UL. This process requires that every component be clearly identified with the UL mark. The designation signifies that • each tank • component meets the high quality standards expected from both UL and TYPICAL SUMP DESIGN 4