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Fiberglas© Attac&t a float switch (normally closescollar sensor are U.L. listed. Rings housed in a protective plastic An optional Fiberglas attach- casing. The float switch is In the event the collar sensor ment ring provides a connect- activated after a 1" accumu- detects product in the contain- ing point for trench liners or lation of liquid in the collar— ment collar, O/C TANKS recom- )(/� other secondary containment approximately one gallon of mends that the power to the `� accessories around 22" and liquid when placed at the submersible pump be discon- 30" diameter manways only. lowest point in the contain- nected. This can be performed ment collar. automatically by providing an The Fiberglas attachment ring electrical feedback circuit from is integrally attached to the The sensor features a trip the monitoring system to dis- tank top. Mounting hardware rod, which is used to test the engage the submersible pump. (bolts, washers and T-nuts) for float switch in the installed the secondary containment condition. The collar sensor Periodically (at least once system is included. is compatible with the optional per year) test the secondary electronic control panels sup- containment collar for leaks If a trench liner system is plied by O/C TANKS. All elec- using standing water above used, a steel compression trical components for the the tank top. ring is also required. Secondary Containment Collar FRP Attachment Rings An optional secondary contain- 30'DIAMETER WITH ment collar provides contain- 30'BOLT PATTERN �„ ment of leaked liquids and a location for the leak monitoring sensor. Collars are constructed 22'I.D.MANWAY of fiberglass and available in 42" diameter only. 42 DIAMETER WITH The secondary containment 30'BOLT PATTERN collar is integrally attached to the tank top. This method of ( construction minimizes leaks jr22'I.D.MANWAY because the seal at the bottom of the collar is factory installed and tested. Another collar leak test is performed at the jobsite by the installing contractor. secondary Containment Collar O/C TANKS recommends SECONDARY CONTAINMENT COLLAR future periodic leak tests of the collar seal by the tank owner / MANWAY to assure that the collar is capa- ble of containing a potential CONTAINMENT COLLAR SENSOR product spill. (CCS) Because of limited space on the tank top, collars are not available on the 550 gallon capacity tank. Containment Collar Sensor Model CCS (replaces Model PSS) Containment Collar Sensor The secondary containment (Model CCS) collar must be continuously LEAD WIRE 92'MIN.) monitored for potential spills TRIP ROD or leaks. HOSE CLAMP As a optional accessory, O/C TANKS provides a contain- ment collar sensor for con- FLOAT SWITCH tinuous electronic monitoring of the secondary containment PERFORATED PLASTIC CASING collar. The collar sensor consists of 21