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Any codes or standards referenced in the standards adopted in sub. Any alternate standard that is equivalent to or more stringent than a standard incorporated by reference or otherwise referenced under this chapter may be used in lieu of the incorporated or referenced standard if the alternate standard is accepted in writing by the department. Register August No. The use of secondhand pressure vessels, having a water capacity in excess of 2, gallons, is prohibited, unless all of the following conditions are satisfied:.
The original manufacturer's data report is available. If the original manufacturer's data report is unavailable, documentation acceptable to the department or first class city shall be submitted. All alterations and repairs by welding are documented in writing to verify compliance with ch.
An inspection of the secondhand pressure vessel has been performed at its new location by a certified inspector. All vehicle-fuel dispensing systems shall comply with whichever of the following are applicable:. Self-service dispensing by the general public of any gas regulated by this chapter is prohibited, except trained members of the general public may fuel compressed natural gas motor vehicles through a fueling connection that complies with ANSI NGV1— Nozzle design will not permit gas flow until positively engaged to the receptacle and will not release the receptacle until gas flow has ceased and captured gas is safely vented.
Intermating components are standardized. Nozzle and receptacle design prevent the fueling of a vehicle with lower service pressure by a dispenser with a higher service pressure.
No person, except for the following, may dispense any gas regulated by this chapter unless the dispensing is through approved dispensing devices:. Vehicle-fuel dispensing systems may be located in areas accessible or open to the general public only if all of the following requirements are met, except subd.
The system is equipped with key-, card- or code-operated dispensing devices listed or approved by a nationally recognized testing laboratory. The keys, cards or codes referenced in subd. An attendant is on duty at all times when gas is being dispensed.
Dispensing of gas is permitted without an attendant only if all of the following requirements are met, except subd. The dispensing system is located in an area that is not accessible or open to the general public. The system is equipped with approved key-, card- or code-operated dispensing devices.
A permanent sign providing a hour service-call telephone number in letters at least one inch high shall be posted at the vehicle-fuel dispensing device in all non-attended locations. Pressure vessels bearing the stamping of the United States department of transportation are not permitted as permanent storage containers, except they may be used either as cylinders for storage of compressed natural gas or gaseous hydrogen, or as replaceable service cylinders.
Any repair or alteration that includes any welding on ASME containers or pressure vessels or their fittings, settings or appurtenances shall conform to the applicable standards adopted in this chapter and to the requirements for welded repairs and alterations in ch. V of ch. This subchapter applies to the storage, handling and use of liquefied petroleum gas, and to the transportation of liquefied petroleum gas by tank truck or tank trailer. This subchapter does not apply to any of the following:.
PSC Liquefied petroleum gas systems shall be designed, constructed, installed, operated and maintained as specified in the following standards, except as otherwise provided in this chapter:.
A person who owns, leases, or uses a propane gas system and who is a customer of a retail supplier shall notify the retail supplier of propane gas for the propane gas system of any interruption in the operation of the propane gas system due to the replacement, modification, repair, or servicing of the propane gas system by any person other than the retail supplier. The customer shall provide the notice at least 7 days in advance of the interruption in the operation of the propane gas system, except as provided in subd.
The retail supplier, or the person replacing, modifying, repairing, or servicing the propane gas system, shall perform a check for leaks or other defects in the propane gas system before placing the propane gas system back into operation in the manner required by rule. If the interruption of a propane gas system subject to subd. Substitute the following wording for the requirements in NFPA 54 sections 8. The purging of all piping, appliances and equipment that exist on or after September 1, , shall be in accordance with this subsection.
The design operating gas pressure is greater than 2 psi. The piping being purged contains one or more sections of pipe or tubing greater than 2 inches in diameter and having the lengths in Table Where gas piping meeting the criteria of Table Table The inert gas shall then be displaced with fuel gas in accordance with subd. Purging operations shall comply with all of the following requirements:. The point of discharge shall be controlled with a shutoff valve.
The point of discharge shall be located at least 10 feet from sources of ignition, at least 10 feet from building openings and at least 25 feet from mechanical air-intake openings. During discharge, the open point of discharge shall be continuously attended and monitored with a combustible gas indicator that complies with subd.
Persons not involved in the purging operations shall be evacuated from all areas within 10 feet of the point of discharge. The design operating pressure is 2 psi or less. The piping system being purged is constructed entirely from pipe or tubing of 2-inch nominal size or smaller, or larger pipe or tubing with lengths shorter than specified in Table The piping shall be purged with fuel gas and shall discharge to the outdoors. The piping shall be purged with fuel gas and shall discharge to the indoors or outdoors through an appliance burner not located in a combustion chamber.
The burner shall be provided with a continuous source of ignition. The piping shall be purged with fuel gas and shall discharge to the indoors or outdoors through a burner that has a continuous source of ignition and that is designed for such purpose.
The piping shall be purged with fuel gas that is discharged to the indoors or outdoors, and the point of discharge shall be monitored with a listed combustible gas detector in accordance with subd. Purging shall be stopped when fuel gas is detected. The piping shall be purged by the gas supplier in accordance with written procedures.
The combustible gas detector used for pipe discharge monitoring shall indicate the presence of fuel gas. After the piping system has been placed in operation, appliances and equipment shall be purged before being placed into operation. This is a department informational note to be used under NFPA 58 section 5.
This is a department rule in addition to the requirements in NFPA 58 section 5. Published under s. Updated on the first day of each month. Entire code is always current. The Register date on each page is the date the chapter was last published.
Liquefied Natural Gas (LNG) Import Terminals: Siting, Safety, and Regulation
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Interpretation Response #PI-09-0013
January 28, — December 14, RL Liquefied natural gas LNG is a hazardous fuel shipped in large tankers to U. While LNG has historically made up a small part of U. To meet this demand, energy companies have proposed new LNG import terminals throughout the coastal United States. Many of these terminals would be built onshore near populated areas. This approval process incorporates minimum safety standards for LNG established by the Department of Transportation. Although LNG has had a record of relative safety for the last 45 years, and no LNG tanker or land-based facility has been attacked by terrorists, proposals for new LNG terminal facilities have generated considerable public concern.
NFPA 59A: 2016 Edition (Latest)