Lots of folks (especially new home inspectors and real estate agents) get confused when they look at aflexible appliance connectororFACand think it is CSST. As part of its goal to serve the needs of plumbing, mechanical and fuel gas (PMG) officials, the ICC PMG Official Membership Council is committed to providing free, informative code support documents known as CodesNotes that can be used to complement building departments in-house weekly supplemental training. @Dennis, Hi Tom, it is my understanding that a single bond point is all that is required (as long as it follows the manufactures instructions). [No additional manufacturer bonding requirements]. It is used frequently in construction in lieu of black iron pipe today, which is the traditional material used for gas distribution (both natural gas and propane). 4 (2012): 1243-1250. If lightning strikes on or near a structure, there is a risk it can travel through the structure's gas piping system, cause a leak and possibly a fire. The only caveat to this is if the black jacket of the CSST is stripped back more than2 inchesfrom the fitting. He retired from the International Code Council after 13 years of service. U.S. Patent Application 12/064,539, filed August 22, 2006. A flexible gas line is an ingenious method of supplying natural gas to fireplaces . IF YOUR HOUSE GETS HIT BY A DIRECT LIGHTNING STRIKE, YOU REPLACE WHATEVER IT DESTROYS, AND BURY ANYONE WHO DIES. Or use the SEARCH BOX found below to Ask a Question or Search InspectApedia. Exception: Where all of the CSST contained in a gas piping system is listed CJ-CSST and the gas piping system satisfies all of the other criteria set forth in Section G2411.3 of this code, such gas piping system shall comply with said Section G2411.3 for CJ-CSST. And if so, any idea where I might find them? 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. Telephone 800-662-0208 by InspectApedia (Editor) (mod) - Can csst be used outside. We hope you enjoy this newest edition of CodeNotes. Bonding "Other Metal Piping" must be done according to the manufacturer's instructions and 250.104 (B). CSST should never be directly connected to movable appliances like dryers, washers, and ovens. For an isolated leak replace just the leaky section. Natural Gas and Propane Installation Code (CSA B149.1), the . Delivery times may vary . Rousseau, Alain, and Mitchell Guthrie. Probably. origin ZIP Code, destination ZIP Code and time of acceptance and will depend on shipping service selected and receipt of cleared payment. The risk of arcing damage to CSST is increased in areas where lightning activity is greatest and where the CSST is not well bonded to a grounding system. Hi Ben, This is the best CSST info site I have found, thanks! 800-818-3201 Free Shipping on orders over $99 ship free Ship To: 11234 The grounding electrode system includes all of the grounding electrodes available and the grounding electrode conductor(s). this is no longer required by the national fuel gas code. If you have black CSST in your home, and the jacket has been removed more than 2 in, I encourage you to reach out to TrackPipe for detailed instructions on correcting this installation. Thank you for a helpful question. An older home is likely exempted (grandfathered-in) from current CSST gas line code, but homeowners that have flexible gas lines should have it evaluated by a qualified plumber or electrician. In some U.S. states such as in Massachusetts, CSST is required to have a metal cover to protect it from lighting and the elements when outside. Corrugated Stainless Steel Tubing. I cannot find any information regarding how to properly suspend CSST in my crawlspace. The idea was that if a building started to move during an earthquake, it should have a gas line that moves with it. The multi-layer system is designed to conduct the arcing energy to ground preventing perforation of the tubing wall. They are similar in the fact that both are made from flexible stainless steel, and both are typically yellow in color. If you install a CSST gas line in your home, a sediment trap somewhere along the line will likely be needed. CSST remains popular because of its flexibility, easy installation, and reduced leakage risk. One of the biggest dangers of buildings during earthquakes is gas leaks that occur after the shaking has stopped. The idea is fairly simple. gq Y7v0XSv 5&ZRK ";"f^ c}3 -E Several manufacturers also recommend the upgrading of existing CSST systems to include the required bonding. CSST corrugated stainless steel tubing is a flexible pipe that's used to supply natural gas in residential and commercial structures. Minnesota's 2015 Fuel Gas Code uses the 2012 International Fuel Gas Code, which requires CSST to be bonded anywhere along the electrical service grounding electrode system. The CSST gas lines do not appear to be properly bonded as required by the National Fuel Gas Code (NFPA 54) 7.13.1 Pipe and Tubing Other than CSST. In general, the shortest bonding conductor will be the most effective. Website: Since this path has really low resistance, it causes the amperage to rise in the circuit, and the breaker to trip. 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? A separate grounding electrode and grounding system cannot be established just for the fuel gas piping system. "Sealing devices and methods of installing energy dissipative tubing." House Fire Due to Faulty CSST Installation. Agreed? No product, including the improved TracPipeCounterStrikeis immune to the damage caused by a direct lightning strike. Good idea! Since 1990 CSST has been used within many buildings in both exposed and enclosed areas to install new gas system piping. Hi Nigel Ive never seen a special bracket installed in a home. Corrugated stainless steel tubing was invented in 1988 and gained approval for use in most of the United States in 2003. . After the gas meter, there is 1 black pipe entering the house, at about 6 in the house on the black pipe, the grounding clamp is installed and going back to the panel.now after that there is a black manifold with yellow trac pipe, now that the black pipe was grounded, does each trac pipe have to be grounded in addition to the black pipe entering the house already being grounded? Want to learn all about flex line gas code and proper installation? This did not prevent the leak I described, as the CSST looped up and was hit by a pneumatically-driven flooring nail FLEXIBLE APPLIANCE CONNECTORS WERE ONCE MADE FROM UNCOATED BRASS AS YOU SEE IN THE IMAGE BELOW. And even if the CSST is made with an arc-resistant jacket, your local city or state may still require bonding. Find many great new & used options and get the best deals for Corrugated Stainless Steel Tubing 70 Ft 1/2" Flexible Natural Gas Line Pipe at the best online prices at eBay! U.S. Patent 6,315,003, issued November 13, 2001. Let's get to it! Youll want to find the manufacturers instructions for the brand of CSST you have in your home and follow those printed instructions. 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. I inspected a bi-level yesterday and came across the attached picture. If your home or business was built after 1987, or if work on your natural gas piping system has been performed since then, CSST may have been installed. Question 3: Both the NEC and Fuel and Gas Codes only require bonding of gas piping when the piping is likely to become energized. Kinchoix 35ft CSST Gas Line 3/4'' Gas Line Flex CSST Gas Pipe Kit with 2 Male Fittings Anti-Cracking Used for Stove Dryer Heater NG Appliance Propane Equipment Corrugated Stainless Steel Tubing. CSST gas piping systems shall be bonded to the electrical service grounding electrode system. Ive not heard of any failures from the black stuff, but its still early. - retrieved 13 April 2015, original source: http://seftim.clic-droit-tech.com/publications/ICLP/ICLP_2012_CSSTinvestigations.pdf. Since CSST is a very thin metal at around 0.3-mm thick, it is more vulnerable to lightning strikes. Louisville, KY 40207. I reached out to the makers of TracPipe to get some clarification about the black CSST gas line. Bonding Clamp. 220 0 obj <>/Filter/FlateDecode/ID[<49285FA295F055C5A43B7254C9F24915><352979019C8C014B9A4ADB2EBCE84742>]/Index[193 56]/Info 192 0 R/Length 99/Prev 749797/Root 194 0 R/Size 249/Type/XRef/W[1 2 1]>>stream Hey Tom The bonding point for CSST should only be back at your electrical panel as far as I know. TracPipeCounterStrikehas been shown to be up to 400 times more resistant to the damaging effects of electrical energy than conventional CSST. Note: appearance of your Comment below may be delayed: if your comment contains an image, photograph, web link, or text that looks to the software as if it might be a web link, your posting will appear after it has been approved by a moderator. Direct Electrical Bonding CSST Gas Pipe. It is commonly used nowadays and . www.gastite.com/index.html, Ward Manufacturing, Inc. (manufacturer of Wardflex and Wardflex II CSST gas piping) Free shipping for many products! If you havent already done so, please go online and become a member of the PMG Official Membership Council. CSST can be an explosion hazard. Presumably, it has leaked since the building was constructed (10 years ago), and been a hazard the entire time. do NOT contact me with unsolicited services or offers. The conductor can be installed indoors or outdoors. Rising Tide Consulting, L. L. C., and L. L. C. Cutting Edge Solutions. endstream endobj 194 0 obj <> endobj 195 0 obj <> endobj 196 0 obj <>stream Sediment traps are short pieces of pipe that capture 'sediment' and other particles that are in gas. According to Jim Narva, executive director of the National Association of State Fire Marshals, that association is focusing on informing homeowners of the need for retrofit ground bonding of older CSST installations. National Fuel Gas Code (ANSI Z223.1/NFPA 54), the . In the CSST installation example specifications listed below you'll see that the manufacturers typically require a number of installation details to assure safe reliable operation of the gas piping system, including nail plates, flexible corrugated steel armor in some locations, support, and other measures. Corrugated stainless steel tubing (CSST) is a flexible tube sometimes used to supply natural gas in homes and businesses. Spell check must have changed it on me. SECTION 414 (IFGC) SUPPLEMENTAL AND STANDBY GAS SUPPLY. The early reports were not always considered credible, even though firefighters recognized the breaks in the system and the burning gas. When the house was built (2002) the contractors used just enough of the CSST to get from point A to point B pinned to the underside of the ceiling joists. Read Also >> What Is The Code For Stairs? CSST comes in large rolls and is snaked through walls, floors, and ceilings of the building. Phone: 502.938.5190, Mailing Address: How to age a Bradford White Water Heater? Sounds like black iron will do the trick . Goodson explained that CSST was generally not a good electrical ground, thus lending importance to the "direct bonding" discussion for this gas piping system. Submitted by Ray Thornburg on Tue, 02/12/2013 - 12:37 Ray Thornburg's blog; The most common source of building code is the International Residential Code or the IRC. If your contractor doesnt understand what needs to be done on your home, this should help. Kraft and Torbin (2007) explained that arcing between poorly-grounded CSST gas piping and other nearby metal pathways create a potential that may encourage electrical arcing damage to the CSST gas lines. Only one image can be added per comment but you can post as many comments, and therefore images, as you like. The manufacturer will specify where and when shutoff valves will need to be required. If it were electrical wiring, it would be Romex. Goodson in a patent application (2009) also reported on the effectiveness of direct bonding of both yellow and black CSST gas piping to reduce the risk of damage from indirect lightning flashing. An Underwriters Laboratories listed bonding clamp 467 should be used to make the electrical connection to the CSST gas line. There was an oven installed at the adjacent kitchen. Goodson, Mark E. "Leak prevention method for gas lines." 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. We added some new pictures to freshen up the look and streamline the flow of information. Yellow "Standard" CSST gas pipin galso requires special electrical ground bonding to reduce risk of damage & leaks in areas of high lightning strike activity. 1-9. IEEE, 2010. The Board finds that this portion of the installation is subject to the provisions of sub-section 6.2.1 of NFPA 54, 2002 Edition, as adopted by 248 CMR 4.03 (1). Connected to movable appliances like dryers, washers, and L. L. C., and been a hazard the time. This should help will likely be needed one of the United States in 2003. has leaked since the building invented... Earthquakes is gas leaks that occur after the shaking has stopped been within! Can post as many comments, and been a hazard the entire time is gas leaks that occur after shaking... 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