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Storage tank accessories <br /> is�I+I�fII i!j,iii i!� i,,�"s°Ed ill I17 0gt�y�r1�91i <br /> li'I,l�IlililiY I�V,�j' s III I II I I I yl Oki!i <br /> ; <br /> � 1 <br /> s <br /> Containment Sumps and Collars — Sumps and collars are common accessories found on virtually all double-wall tanks <br /> installed today. Xerxes supplies optional, factory-installed containment collars that provide secondary containment around <br /> tank fittings and manways. Designed to be a custom-match to the collar, the Xerxes containment sump comes in a variety <br /> of models and sizes, all engineered to accommodate different customer preferences and needs. Xerxes sumps and collars <br /> are also available in double-wall models that can be monitored with the reliable TRUCHEK hydrostatic monitoring system. <br /> Anchoring System—Site-specific installation conditions generally dictate whether a tank-anchoring system is necessary. <br /> Some customers choose to anchor all their tanks. Xerxes offers a complete tank-anchoring system, including reinforced <br /> precast concrete deadman (designed to American Concrete Institute standards), fiberglass anchoring straps and <br /> galvanized turnbuckles. Each component is engineered to specific tank sizes and for ease of installation. In most cases <br /> concrete deadmen can be delivered on the same trailer as the tank. This both minimizes the shipping cost and assures <br /> that deadmen are ready for use when the tank is set. <br /> Hydrostatic Monitoring—The image on page 8 illustrates the functional design of the highly effective TRUCHEK hydrostatic <br /> monitoring system. A "jacket" of calcium-chloride solution is factory-installed in the tank interstice and connected to <br /> a tank-top reservoir where the fluid level is monitored with a simple level sensor. The unique Parabeam construction <br /> of a Xerxes double-wall tank eliminates false leak alarms that can occur with other tank designs. In addition to its <br /> simple, yet highly effective, monitoring capabilities, TRUCHEK provides true continuous monitoring of both tank walls <br /> regardless of site conditions.This continuous-monitoring feature is increasingly attractive to state and federal regulators, <br /> and may become a requirement for all new double-wall tanks in the future. <br /> ZCL Composites Inc. • Xerxes Corporation 9 <br />