Installation Specifications, Inspection & Testing Plastic Plumbing Piping & Connectors Properties, Failures, & Standards for ABS CPVC PB PEX PVC Piping. Design and Installation Data: Pressure Ratings and Burst Strength. There are various methods for determining the recommended, allowable or rated internal pressure. 10.03: Definitions. For the purpose of 248 CMR 10.00, the terms defined in 248 CMR 3.00 have the meanings as defined therein. In addition, for the purposes of 248 CMR.
Installation Specifications, Inspection & Testing Plastic Plumbing Piping & Connectors. Properties, Failures, & Standards for ABS CPVC PB PEX PVC Piping. Inspect. APedia tolerates no conflicts of interest.
We have no relationship with advertisers, products, or services discussed at this website. Plastic plumbing pipes: Beginning here, this article series describes the properties of all types of plastic piping and tubing used in buildings for water supply, drainage, or gas or oil fuels, including ABS, CPVC, PB, PEX, PVC.
We include information about failures and problems with some generations of plastic pipes (ABS, polybutylene) and we describe good building practice installation details where plastic piping is being installed. Included is information about ABS, PB, Polybutylene, PEX, PVC polyvinyl chloride and other plastic piping materials. We discuss problems and class action claims for plastic pipe product failures including both the piping itself and its connectors or fittings for each of these materials where trouble has been found. We also discuss ongoing or previous health & safety concerns raised for some plastic piping products. The articles at this website will answer most questions about plastic building water supply and building drain piping products, failures, and claims as well as many other building plumbing system inspection or defect topics.
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Plastic Water Supply & Drain Piping Types, Failures, Inspection, Diagnosis, Repair. Article Series Contents. As Carson Dunlop Associates point out in the Home Reference Book, as currently used in buildings: Plastic water service piping may be made of. Plastic building drain piping may typically be made of. ABS - ABS PLASTIC PIPE FAILURES (black plastic drain piping or some water supply piping)PVC - polyvinytlchloride pipe and pipe fittings (white plastic)PB - polybutylene pipe and acetal plastic insert pipes - "PB plumbing"Most plastic piping used outdoors is buried at least 1. Exposed piping may be subject to mechanical damage and deterioration from sunlight.
Plastic supply piping is popular because it is less expensive and easier to work with than copper. There are many types available including cross- linked polyethylene (PEX), polybutylene (PB), and chlorinated polyvinyl chloride (CPVC). Home Reference Book, used with permission.[Click to enlarge any image]Contributions or comments are invited.
CONTACT us to contribute. As Carson Dunlop's sketch (above left) shows, plastic piping entered widespread use in North American beginning around 1. ABS Plastic Pipe Failures, Leaks, Claims, Settlements. Complete details are at ABS PLASTIC PIPE. Excerpts are below. As our black ABS drain piping photo shows (above), some drain line leaks having nothing to do with product defects can occur in this system if the piping is not properly installed.
Field investigations of leak stains (as in our photo) as well as investigations of sewer gas odors (SEWER GAS ODORS) have traced these problems to failure to properly clean, prime, and glue the pipe joints during construction. However, "All Black - hit," defective black ABS plastic waste pipe manufactured in the mid 1. Cranor's photo below illustrates."All Black - hit," defective black ABS plastic waste pipe manufactured in the mid 1.
The result was litigation and some damage settlements, but currently it is unlikely that a homeowner will find legal relief for newly- discovered ABS drain waste vent piping cracks and failures. ABS Plastic Drain/Waste/Vent (DWV) pipe failure Brands. ABS drain pipe material failures were reported for pipe made between 1.
Apache ABS pipe failures: Apache Plastics defective piping was produced due to use of defective raw materials to make ABS DWV between January and May 1. Not all Apache ABS DWV suffers the cracking failure problem, and less Apache ABS pipe defects are found than among the other manufacturers listed below. Centaur ABS pipe: Centaur black ABS pipe was labeled with the company's name and was made between February and August 1. Decoding for the date in data stamped on Centaur pipe: look at the production code found just past the UPC on the pipe, beginning with an "S"(1.
YMDDDP as follows: Character 1: Year of manufacture: E=1. F=1. 97. 2, G=1. 97. S" = 1. 98. 5 and a "T" =- 1. ABS DWV piping defects. Character 2: and Month of manufacture: D=Jan, E=Feb, etc. O=Dec. Characters 3, 4: Day of manufacture (2 characters) encoded as digits 1- 0 corresponding to D- M respectively.
Character 5: Production shift or Resin Lot code. Character 6: used only for third party sales: Centaur also produced ABS piping for sale under other trade names. In that case Centaur advised that the company printed a "C" suffixed to the end of the product date code. Gable ABS pipe failures: Gable plastics defective ABS piping was made during 1. Gable ABS pipe date of manufacture is stamped un- encoded onto the pipe.
Phoenix ABS pipe, successor to Centaur Corp. ABS piping from January 1. October 1. 98. 6. Phoenix used the same production codes (but the year will indicate it's Phoenix not Centaur). Polaris ABS pipe, manufactured defective ABS piping between February 1. July 1. 98. 5. Not all Polaris ABS piping made during this interval suffers the cracking failure, depending on variation in batches of purchased raw material.
Polaris ABS Pipe Date Encoding: nnn. YY wherennn = the numeric day of the year (0. YY = the year in digits, such as 1.
Spartan ABS pipe. More information: U.
S. CPSC Hot Line: 8. ABS Plastic Pipe Leak Failures Still Being Discovered. ABS plastic drain and vent line failures are still being discovered, as John Cranor's photo from 2. Home inspector John Cranor provided the photo at left of a cracked ABS drain line, commenting: This photo of cracked ABS is damage that I feel has to be related to the defective ABS that was reported years ago. I am in VA and have inspected close to 6. I have seen this issue here.
I saw at least six spots on the drain pipe in the crawl space that had similar cracking and white crusty residue like shown in photo. I know there was once a lot of information out there about this issue but now I cannot find hardly anything. The website abspipes. ABS or its issue. The seller of the property where I took this photo has some plumber saying there is nothing wrong and that he has never heard of a problem as I described. He claims the white residue is mud and that he could see no crack. Spotting ABS plastic pipe cracking failures.
Although the cracked ABS drain line is quite visible in Mr. Cranor's photo (above), or in some areas where piping is exposed (photo at left) there may not be ready access for visual inspection of all surfaces of all of the plastic ABS drain lines in a building. Here are some tips that can reduce (not eliminate) the chances of missing faulty black ABS plastic drains: For houses built between 1. ABS piping), inspectors, building owners, and building buyers should be particularly alert for leaks in ABS black plastic drain, waste or vent piping. As we noted above, for buildings constructed outside of this time window drain lines may have other leaks and defects, regardless of faulty materials themselves. Look for visible damage, leaks, leak stains, or loose pipes or fittings that may be moving due to breaks or cracks in the DWV piping.
Remember to include inspection of the vent piping system, from on- roof, in the attic, and in other accessible areas. Keep in mind that if you find even one leak there is a high risk that there may be additional hidden leaks as well as future failures and leaks. Look for product dates & manufacturer's codes indicating the problem brands of ABS piping, listed above. Experts report defective ABS piping products based on manufacturer's product codes and dates even if no leaks are observed at the time of inspection. Look on the under- side of lateral drain line runs through the building for evidence of leak stains on the ABS piping itself - the actual crack may be difficult to spot but leak stains may be more obvious (see the photo above)Look for water leak stains on building walls, ceilings, floors below ABS drain pipes on nearby building surfaces.
Look for ABS drain line cracks at the glue- line joint in and look for mixed plastic types (white PVC, black ABS) on older buildings. Cracking ABS failures often occurred close to glued unions. Modern plastic pipe glues can handle and even joint both types of plastics, but at an older installation such as at the home above, where we see mixed plastics we pose the possibility that none of the mixed- type plastic pipe joints may be properly glued.
This is not a problem peculiar to defective ABS but the two conditions may be found together. Look for evidence of repeated prior repairs that may indicate recurrent cracking and leak failures in the piping system. Pressure test drain, waste, vent piping systems: for a system that is in doubt or where a hidden leak is suspected (perhaps where there are undiagnosed sewer gas odors), consider pressure testing the DWV piping. Pressure testing can also detect improper pipe joints such as failure to glue the joints properly. ABS Class Action & Litigation.
The prior class action litigation involved five of the six ABS pipe manufacturer's brands listed above: Centaur, Phoenix, Polaris, Gable, and Apache. Spartan was excluded). We have not found evidence of an class action (June 2.
The attorney involved in prior actions, David Birke- White, indicated (paraphrasing) that defective ABS piping failures are a progressive problem and that piping that had not already failed will do so in the future.[1]ABS DWV pipe failure references[1] Mark Cramer, Tampa Florida, provided background information about ABS black plastic drain piping failures, including lists of problem pipe manufacturers, date encoding, and attorney's statements. Mr. Cramer is a Florida home inspector and.
He is a frequent contributor to Inspect.