JP Specialties, Inc.: Hertfordshire Oil Storage Terminal
On December 11, 2005 a series of explosions rocked the Hertfordshire Oil Storage Terminal, located near Hemel Hempstead in Hertfordshire, England. The plastic waterstops that were in the fuel terminal joints all failed due to the high heat of the fire. The Health Protection Agency and the Major Incident Investigation Board provided advice to prevent incidents such as these from happening again, including the utilization of stainless steel waterstop in place at all concrete joints to prevent fuel from escaping the bund walls.
In July of 2014, JP Specialties, Inc. was contracted to provide our Earth Shield® Stainless Steel Waterstop (part nos. JP1122 and JP1122R) in the reconstruction and rehabilitation of the Hertfordshire Oil Storage Terminal.
Earth Shield® Stainless Steel Waterstop is used as a fluid-tight diaphragm, embedded in concrete, across and along the joint, for primary and secondary containment structures. Earth Shield® Stainless Steel Waterstop can stop even the most corrosive fluids in their tracks, even at severely elevated temperatures.
A variety of metals, grades, and gauges are available. Earth Shield® utilizes 20 gauge 316 low carbon as our standard alloy, which offers broad spectrum corrosion resistance to most aggressive media, and is virtually untouched by the deleterious effects of ozone, making it an ideal choice for ozone contactor structures used in modern water treatment plants.
Earth Shield® Stainless Steel Waterstop is available in many standard shapes and sizes including profiles for new construction and retrofit. All change of direction fabrications (shop made fittings) can be premanufactured leaving only straight butt welding for the Contractor in the field.
Download the Metallic Waterstop for Extreme Chemical & Heat Resistance Brochure Here
About JP Specialties, Inc.
JP Specialties, Inc. is the leading manufacturer of chemical resistant waterstop and related concrete accessories. Our NSF 61 certified Earth Shield® line of chemical resistant waterstop is used throughout the world by major engineering firms and project owners for primary and secondary containment applications, as well as industrial wastewater treatment and ozone contactor structures. We invented and hold the patent on the technology used to mechanically weld thermoplastic waterstops. Services offered include free blueprint take-off and shop drawings, on-site welding certification, and individual corrosion resistance certification for the project owner.
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