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? Can plumber split in a joint connector, or does the whole line need to be replaced? Hi, I'm Ben, and I inspect houses. 193 0 obj
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I grew up with a hammer in my hand, and have been a professional home inspector for 14 years. arrow_right. The bonding conductor can be a solid or stranded copper or aluminum conductor. Read Also >> What Is The Code For Bathroom Fan Venting? Goodson, Mark E. "Leak prevention method for gas lines." Or fastest delivery Wed, Apr 19 . Check out willingness detailed code escort here! Only registered ICC members have access to this article at this time. "Secondary contained csst pipe and fitting assembly." Our Comment Box is provided by Countable Web Productions countable.ca, Click to Show or Hide Citations & References, DIRECT BONDING OF STANDARD (YELLOW) CSST, BONDING DETAILS, YELLOW CSST LIGHTNING SAFETY WARNING CAMPAIGN, TracPipe, CANADIAN FLEXIBLE GAS PIPING DESIGN GUIDE & INSTALLATION INSTRUCTIONS, GAS REGULATORS & APPLIANCE / HEATER CONTROLS, ARTICLE INDEX to GAS APPLIANCES, PIPING, CONTROLS, HOME INSPECTION EDUCATION COURSES (Canada), HOME INSPECTION EDUCATION: HOME STUDY COURSES, "Definitions, B. section 12 35 30-residential Casework." The 2009 edition of NFPA 54, National Fuel Gas Code, includes new requirements for bonding CSST gas piping systems to the grounding conductor of the building's electrical system, to reduce the . As Mark Cramer says it depends. Flexible gas line code is a set of government regulations that controls flex gas line installations. You could check the resistance across the connections with a meter. Keep up-to-date on crucial industry news, innovative training and expert technical advice with a free subscription to the award-winning Building Safety Journal. Instead in those situations it's common to use steel piping for such gas lines. Want to learn all about flex line gas code and proper installation? Your account has been marked for password reset. (2009). Thanks, J. to confirm your email address. Is the clamp that is secured to the first csst fitting coming from the gas meter( or propane regulator) to then have the #6 copper wire run to the main service panel and attached to grounding bar in panel, or is it to go directly to agrounding rod. I have an inspector saying they all have to be,thanks. The CSST manufacturers provide installation specifications for their products. 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. arrow_right. Apologies for the delay. Look for corrugated stainless steel tubing (CSST) used as gas piping in buildings constructed in the U.S. or Canada after 1990 and also look for it in older buildings where gas piping was newly installed or modified since 1990. CSST should never be directly connected to movable appliances like dryers, washers, and ovens. Direct Electrical Bonding CSST Gas Pipe. one gas supply will serve a building; however, NFPA 54 does not prohibit the use of more than one fuel gas in a building. Photo 1 shows a natural gas service entering a building, with a field-assembled manifold for connecting CSST to serve three gas appliances, plus a run of black pipe serving another manifold on the other side of the building. "Effectiveness of Direct Bonding of Gas Piping in Mitigating Damage from an Indirect Lightning Flash." 7.13 Electrical Bonding and Grounding 7.13.2 CSST. Note: Black jacketed CSST piping that is certified as arc-resistant is marked with the letters AR (Arc-Resistant) indicating compliance with the CSA/ANSI LC-1 standard. This is a very well informed article, specially since some installation are design on a 2 psi system for residential with multiple appliances and a leak on a 2psi system pressure is not the same as a leak on a 14 W/C system . Conclusion. Home Inspector Secrets is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. Gastite Division Omegaflex, Inc. (manufacturer of TracPipe and CounterStrike CSST gas piping), Omega Flex Incorporated, 451 Creamery Way, Exton, PA 1 Tel: 610.524.7272 Toll Free: 800.355.1039. BUT in both cases the CSST product selected must be the right one for the installation and you must follow the manufacturer's instructions. If conditions such as overheating have damaged the entire piping then ick wider replacement is probably needed. Approved methods of bonding require the installation of a UL-listed ground clamp: Photo 2 shows a gas service which has been brought through the wall of the new house as black steel pipe, with the connector for CSST attached to take the gas to the furnace and water heater. Most of the FACs I see are 3/8 to 5/8. CSST may be protected either by installation of an extra bonding connection (IFGC Section 310.2/IRC Section G2411.2) or by the use of a listed arc-resistant jacket (IFGC Section 310.3/IRC Section G2411.3) in accordance with the national standard CSA/ANSI LC-1. I would call the maker of your CSST and ask them what they require. I have a townhome built in 2006. "Lightning dangers on corrugated tubing carrying hydrocarbons." Bottom line: CSST flexible gas piping is indeed sold in versions that are rated for outdoor use. SECTION G2427 (503) VENTING OF APPLIANCES. These supports basically hold the flex gas line in place and help prevent unwanted movement of the gas line. Corrugated Stainless Steel Gas Line Tubing. $98.95. Since the CSST gas line has such a thin metal wall (0.3 mm thick) it is important to protect the gas line from nail punctures. Flexible Appliance Connectors (FACs) are short pre-made store-bought pieces. This code requires bonding for CSST and includes detailed specifications for installation of CSST including the installation and spacing of supports (ranging from 1.2 to 2.4m depending on pipe diameter). According to the CSST Safety Website (below), corrugated stainless steel tubing is installed in about 500,000 new homes each year. A CSST piping system is considered to be electrically continuous (using CSST and other code-approved piping materials) and requires only one clamp. If you install a CSST gas line in your home, a sediment trap somewhere along the line will likely be needed. 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. Can US code flexible stainless steel tubing be used in canada. IT IS VITAL TO UNDERSTAND THAT NONE OF THIS HAS ANYTHING TO DO WITH LIGHTNING PROTECTION FOR YOU OR YOUR HOME. Telephone 800-662-0208 How to age a Bradford White Water Heater? U.S. Patent Application 12/971,802, filed December 17, 2010. Beyond that, it has an "escape" for nail penetrations. I'm a dwelling contractor in Wisconsin, I would like more information on Corrugated Stainless Steel Tubing (CSST) used for gas piping in buildings. On 2021-10-05 The steel enclosure of the electrical service equipment; or, The grounded conductor at the electrical service; or, The grounding electrode conductor (if it is large enough) between the service equipment and the grounding electrode(s); or. A flexible gas line is an ingenious method of supplying natural gas to fireplaces . 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! Picture is from the lower level laundry / boiler room. This material was approved for residential use in 1988 by the National Fuel Gas Code. Duquette, Scott, and Brian Coppola. If your home is newer (say built in the past 20 years or so) there is a very good chance you have CSST installed as part of yourgas distributionsystem. Missing Kick-Out Flashing Creates Hidden Water Damage in Walls, Manufactured Stone Moisture Intrusion Inspections. Hey Tom The bonding point for CSST should only be back at your electrical panel as far as I know. If this event takes place close enough to your house, it can enter the structure via any available path. Treichel, Steven A. I have never had an inspector flag an FAC on a job before in terms of a grounding requirement. Homeflex CSST Gas Line Tubing. You can enable JavaScript via your browser's preference settings. CSSTis a flexible gas line material that has been used in millions of homes across the United States and the world. CSST Safety Website: www.csstsafety.com, hosted by the National Association of Fire Marshals (NASFM), http://www.firemarshals.org/ This website discusses various aspects of CSST safety including lightning hazards, electrical ground bonding and grounding connections, and recommendations for consumers. In general, the shortest bonding conductor will be the most effective. Here is a link to some instructions released byHomeFlexandTracPipe. YOU CAN LEARN MORE ABOUT THIS BY DOWNLOADING THE NOTICE HERE. arrow_right. 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). Just because a home is exempted from current code requirements doesn't mean that the existing flexible gas line installation is safe. The bond to the water line seems acceptable rather than running a wire to the service box. In Japan the system has a decade more experience. Currently (2015) the manufacturers have pretty much switched to an improved, more durable CSST gas piping whose design includes a protective outer jacket and for which extra manufacturer-specified ground bonding is not required. Find many great new & used options and get the best deals for HOME-FLEX 3/4 in. CSST gas piping systems shall be bonded to the electrical service grounding electrode system. 0
[No additional manufacturer bonding requirements]. endstream
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If you live or work in a structure built between 1990 and 2006, or if gas line work was performed on your building during that period, be aware of possible safety hazards associated with CSST. . You are in the right spot! Chances are that it was not done at all, and you need to rectify that. Explore all the benefits that ICC Membership has to offer and become a member today to gain access to this exciting content. They are designed to connect an appliance to the gas distribution system of the building, which can be made up from black iron pipe or CSST. I encourage you to check your homeor have a pro come help check your home to see if you have CSST installed, and double-check to see that the bonding was properly installed. Thank you! 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. Rousseau, Alain, and Mitchell Guthrie. QUESTION: You said in one of your CQD answers that the gas piping system should be bonded to the electrical supply system grounded conductor. Jul 20, 2012. . House Fire Due to Faulty CSST Installation. Sounds like black iron will do the trick . You will likely have to bond your TracPipe CounterStrike CSST as mentioned above for the yellow version. From the research I did, it seems that bonding has been required since around 2006, which means that there are lots of homes throughout the world that have no bonding installed on the CSST. CSST is typically yellow-clad and sold in 75 ft. coils with an inside diameter of inch. Home Building Code Flex Gas Line Id. Read Also >> What Is The Code For Water Heater Installations? Are special brackets required? When certain conditionsof an electrical storm are present around/in the home, the CSST can fail, create a gas leak, and start a fire. If you're already an ICC member Sign In Now. In my Brother-in-Law's condo, the gas line was snaked all over and not really strapped anywhere, although it was protected by nail plates at stud and joist penetrations. Most of the CSST runs are 1/2, 3/4 and even up to 1. The grounding electrode system includes all of the grounding electrodes available and the grounding electrode conductor(s). Keep in mind that this job requires you to run wires inside the electrical panel of the home so youll want to let the pros handle this one. Hi Rich There are a lot of moving parts here. 2012 NFPA 54 NATIONAL FUEL GAS CODE Chapter 7 Gas Piping Installation. The conductor must be attached to the piping system using a listed bonding clamp in accordance with UL 467. Only one image can be added per comment but you can post as many comments, and therefore images, as you like. Thanks! Ideally, you want to put the bonding clamp in a spot where the wire will be asshort as possible back to the electric panel. U.S. Patent 8,399,767, issued March 19, 2013. Hi Alex As far as I know, there is no additional bonding requirement for flexible appliance connectors. Bonding CSST is quite simple, you just have to follow a few simple rules. Would it still be a good idea to bond your CSST even if you have the black stuff? CSST x 25 ft. I would check the manufacturer and see if they offer anything. The council open to all ICC members and serving the needs of PMG officials and industry professionals consists of a great team of professionals who are willing to share their technical expertise and experiences. For an isolated leak replace just the leaky section. 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? @Dennis, We will email you a link to reset your password. SECTION 413 (IFGC) COMPRESSED NATURAL GAS MOTOR VEHICLE FUEL-DISPENSING FACILITIES. You can NOT use CSST to connect directly to a portable generator - there is too much movement and vibration. 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