In 2009 the same authors reported that CSST could perform acceptably but made important and detailed recommendations for the ground bonding of CSST gas piping systems. $98.95. This stops the danger of the situation and lets you know something is wrong. Its worth noting that there is a newer versionof CSST that has ablack jacketon it that has been available for the past few years. Ideally, you want to put the bonding clamp in a spot where the wire will be asshort as possible back to the electric panel. Telephone 800-662-0208 Maybe. CSST gas piping systems shall be bonded to the electrical service grounding electrode system. The current Fuel Gas Code requires CSST to be bonded anywhere along the electrical service grounding electrode system . The installation and inspection of the grounding electrodes and grounding systems is the responsibility of the electrical contractor and electrical inspector. How many homes have CSST installed? U.S. Patent 7,562,448, issued July 21, 2009. It seems like manufacturers don't require it to be secured or strapped very much at all. Let's get to it! I inspected a bi-level yesterday and came across the attached picture. Their 2007 report concluded with a recommendation for direct ground bonding of CSST as a proposal to the National Fuel Gas Code. It is kicked back, watching Netflix, waiting to be called into action. Flexible gas line code is a set of government regulations that controls flex gas line installations. Jul 20, 2012. Yes there are version of CSST sold for outdoor use. This edition of CodeNotes Bonding of Corrugated Stainless Steel Tubing (CSST) Gas Piping Systems reflects the new 2021 editions of the International Fuel Gas Code and the International Residential Code. "Does Corrugated Tubing Lightning Catastrophic Failure?." The bonding helps achieve an equipotential state between the CSST and other similarly bonded metallic systems (such as the water piping, structural steel, electrical raceways and coax cable). Explore all the benefits that ICC Membership has to offer and become a member today to gain access to this exciting content. The conductor must be attached to the piping system using a listed bonding clamp in accordance with UL 467. You dont want the current to have to ride 3 miles of wire before it reaches the bonding point at the panel. by inspectapedia.com.moderator (mod). The connection point made to the gas distributionsystem should be downstream from the gas meter or propane regulator. Thank you for a helpful question. Most model and enacted building codes require that just about any building component, equipment or device should be installed in accordance with the manufacturer's instructions. Only a single point of attachment is required regardless of the length or complexity of the piping system. Free shipping for many products! The clamp should go on the nut of the CSST, or the black iron pipe of the gas system as it enters the home. 3. And if so, any idea where I might find them? Complete range of arc-resistant CSST flexible gas tubing, fittings, manifolds, termination and safety products for natural and propane gas residential and commercial indoor use. Joe said this was the unofficial- official rule. |$@Z"
o2,I` BP16 LTx @*}(9i Read Also >> What Is The Code For Stairs? CSST or Corrugated Stainless Steel Tubing is a flexible gas piping system that has been in use in the U.S. since 1990. CSST needs to be supported at certain intervals with clips or straps. SECTION G2425 (501) GENERAL. National Standard of Canada, the . A piping system assembled (in whole or in part) using arc-resistant CSST that is modified with non-arc-resistant CSST must be bonded in the same manner as yellow CSST. Because it is flexible, the walls of the pipe have to be thin. GAS PIPING, FLEXIBLE CSST at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice. The article discusses CSST uses, sources, installation specifications, and safety measures to protect the gas piping from damage by abrasion, puncture, lightning strikes or other hazards. Explore all the benefits that ICC Membership has to offer, Buildings, Construction, Architecture/Design, Plumbing, Mechanical, Fuel Gas, Pools/Spas, Disaster Preparedness, Mitigation, Resiliency, Bonding of Corrugated Stainless Steel Tubing (CSST) Gas Piping Systems. When CSST piping is installed underground outside of the building, the portion of CSST which approaches the building, by necessity, becomes above ground and is exposed. Examples includeHomeFlex INSTALLATION MANUAL [PDF] Valencia Pipe Co., That means that the . A black wire, a white wire, and a bare copper. www.gastite.com/index.html, Ward Manufacturing, Inc. (manufacturer of Wardflex and Wardflex II CSST gas piping) The bonding clamp can be mounted at any location within the piping system, however, the clamp must be attached to a length of rigid pipe, a malleable iron pipe fitting, a prefabricated manifold, or a brass CSST fitting. If this event takes place close enough to your house, it can enter the structure via any available path. QUESTION: You said in one of your CQD answers that the gas piping system should be bonded to the electrical supply system grounded conductor. But typically, at least one shutoff valve will need to be installed where the flex gas line connects to the 'black iron' or hard gas pipe. I believe you should have said bonded to the grounding conductor. TracPipeCounterStrikehas been shown to be up to 400 times more resistant to the damaging effects of electrical energy than conventional CSST. As the documented history of these incidents developed, tests were conducted which proved that lightning could damage CSST gas piping, and which suggested a way to reduce the possibility of lightning damage. Want to learn all about flex line gas code and proper installation? And no, you cant just wrap the wire around the pipe a few times like Ive had people ask. Yellow is the universal color for anything gas related in a home. Parker Hannifin, Corp. (manufacturer of Parflex CSST gas piping) Subjects: Building construction for firefighters, natural gas and liquefied petroleum gas piping, CSST, ACEP Kicks Off 36th Annual National EMS Week, May 17-23, Firemans Fund Announces Winners of FDIC Drawing, IN Firefighters Rescue Nearly 30 from Fatal Fire, Cleanup Continues After ME Train Derailment, Fire in Dubai Kills 16, Injures Nine in Apartment Building, Firefighters, City Pay Tribute to Fallen Chicago Firefighter Jermaine Pelt, OR Department Announces 13 New Hires to Limit Forced Overtime, Four-Alarm Fire Tears Through Six Staten Island (NY) Townhouses, Call to Action: Firefighter Statue Unveiled in CO, Video: Lessons Learned from NC Firefighter LODD, on the black steel gas pipe where it enters the building; or, on the manifold connecting the black steel gas pipe to multiple runs of CSST; or. CSST is a flexible gas line material that has been used in millions of homes across the United States and the world. Rising Tide Consulting, L. L. C., and L. L. C. Cutting Edge Solutions. U.S. Patent 6,079,749, issued June 27, 2000. Hey, I'm Arie and I created this site. (Since the connection to the contractors heater is only temporary, the bonding clamp and conductor have not yet been installed.). - retrieved 13 April 2015, original source: http://seftim.clic-droit-tech.com/publications/ICLP/ICLP_2012_CSSTinvestigations.pdf. [At left, a new CSST gas piping installation, incomplete, is illustrated, courtesy of Carson Dunlop Associates (found at page bottom, Click to Show or Hide) .]. Goodson, Mark E. "Device for Preventing Electrically Induced Fires in Gas Tubing." Your account has been marked for password reset. Duquette, Scott, and Brian Coppola. The idea is pretty simple. 1. Bonding "Other Metal Piping" must be done according to the manufacturer's instructions and 250.104 (B). THE CONNECTION TO THE GAS LINE MUST BE MADE AT A SPECIFIC SPOT. Are Flexible Gas Lines Safe? The history and field experience of CSST use in North America led to concerns about possible pitting, corrosion or perforation of the original yellow CSST gas piping in areas where lightning strikes were common. The idea is fairly simple. First developed in the 1980s, it is characterized by a yellow or black coating. Durham, M. O., and R. A. Durham. I am looking to bond out CSST gas line which is in our crawl space of the house (dirt floor) and the copper water pipe is close by. The flexible gas line code in the IRC doesn't explicitly state how often it needs to be supported, but it says you must follow manufacturer instructions on spacing. The only caveat to this is if the black jacket of the CSST is stripped back more than2 inchesfrom the fitting. Please bookmark this page to make it easy for you to check back for our response. It is estimated to be in about 6-8 million homes where it was installed before bonding was a code requirement or manufacturer installation instruction, Between the early 1990s when it was introduced in the US market and the mid 2000s when the requirements came about is the target we are trying to reach and unfortunately no one knows where those 6-8 million homes are in the US. Only CSST has this requirement. . These supports basically hold the flex gas line in place and help prevent unwanted movement of the gas line. Read Also >> What Is The Code For Range Hood Venting? Just know that if you do have a problem, it can becatastrophic. KAERMO CSST Gas Line, 1/2 ''100FT Flexible Gas Line, Natural Gas Line with 2 Male Adapter Fittings, Corrugated Stainless Steel Tubing, Propane Grill Conversion Kit. Doesnt all this bonding assume that every joint in the gas line has good metal to metal contact to be able to carry the stray current to the bonding wire? 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The flexible gas line code in the IRC doesn't explicitly state how often it needs to be supported, but it says you must follow manufacturer instructions on spacing. This code came in as a response to damage to flexible gas lines and fires in homes struck by lightning. Uniform Plumbing Code, the . The single-layer black jacket is designed to absorb arcing energy caused by a lightning strike preventing perforation of the tubing wall. Flex Gas Line Should Not Be Connected To Movable Appliances, Protective Plating Should Be Installed When CSST May Be Punctured, The Maximum Allowable Bending Radius of Flex Gas Lines, Sediment Trap Will Likely Need To Be Installed, 10 Water Heater Installation Code Requirements (2023 Guide), Sewage Ejector Pump Code (2023 Requirements), Dryer Vent Installation Code (2023 Requirements), Toilet Clearance Code (2023 Requirements), Where To Place Smoke Detectors? 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