Society of International Gas Tanker and Terminal Operators Safety Standards
The Society of International Gas Tanker and Terminal Operators (SIGTTO) has published safety standards, through the Society of International Gas Tanker and Terminal Operators), in its publication Site Selection and Design for LNG Ports and Jetties, Information Paper No. 14. This publication, drafted by LNG industry experts, states
that LNG terminals:
– Must be located in remote areas where other ships do not pose a collision risk and where any gas escape cannot affect local – -populations.
– Avoid mooring along long inshore waterways, near other vessels and on the outside of a shipping channel bend in order to minimize navigation hazards
– Have emergency escape routes available.
Further, SIGTTO warns that for a large release of LNG close to a populated area, it may be impossible to devise a realistic contingency plan.
US Coast Guard rules regarding LNG
US Coast Guard Navigation and Vessel Inspection Circular (NVIC) No. 01-2011, dated January 23, 2011, describes 3 concentric ‘Zones of Concern’ around a fire caused by LNG spilled from a breached tanker. Inside these zones, according to research relied upon by the Coast Guard, dangers to the public will vary from instant death to serious burns. The outer perimeter of the 3 zones is 2.2 miles from the fire. The safety risks to citizens anywhere within these zones are not acceptable leading to the need for a minimum 2.2-mile distance between potential LNG-fire sources and populated areas.