Sewer Blockage/clogged Drain In Milford, Ma Part - Iii

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MAIN LINE SEWER TRAPS
The Old Method of Trapping Sewer Gas.
In areas of Massachusetts and Rhode Island, sewer blockages and clogged drains are often the result of having a main line trap. Main line sewer traps were originally installed with a few purposes in mind. One reason to install a trap on the sewer line was to literally trap debris or objects accidentally finding their way into the sewer line. Intended to be easy, trap cleanouts were installed with the idea of a home owner being able to remove the obstruction by removing clean out plugs and physically removing the items in the trap. The vision was lost somewhere in history and main line sewer traps have shown up in places where they are difficult to service from day one of their installation.
Throughout Rhode Island, a drain cleaning technician will encounter difficulty with main line traps being buried in such cities as Pawtucket, Cranston, Providence and Woonsocket. The locations around South Eastern Massachusetts where a sewer trap may or may not be installed are not consistent. For Example, throughout New Bedford, the drain cleaning technician may ...
... find a street where a few houses have traps and others do not have main line sewer traps.
Reasons for drain cleaning difficulty
• the trap itself inhibits the ability of the sewer and drain cleaning technician from getting the sewer cleaning cable across the trap. So, the outlet side of the trap must be opened.
• the trap may not have been opened in decades. For the sewer and drain cleaning tech., this often means cutting the cap out or using a chisel to pry it out.
• the trap is often buried in the ground, making the task of opening the trap impossible for sewer and drain cleaning technicians. This would then mean the technician will have to play a game of skill against the trap to manipulate a cable or a jet hose through the trap to clear the clogged sewer line.
More purpose was given to main line sewer traps. Traps were installed in mainline residential sewers to prevent sewer gas and rodents from entering the house and allow the home owner an opportunity to prevent sewer blockage by trapping foreign objects that are not flushable. However, if the trap is not serviceable, and buried in the earth, one of the advantages to having a trap is gone.
House traps are also irrelevant due to the fact once the piping on the house side of the trap becomes soiled, noxious and dangerous gases still infiltrate the home. So, the practice of installing a trap at every fixture in the house was implemented.
Having a house trap in the mainline and a trap at a fixture is what is known by plumbers and drain cleaners as double trapping. The international plumbing code forbids double trapping. Double trapping in itself can inhibit the flow of sewage and promote sewer and drain back-ups. So, it is worth having the main line trap removed in order to avoid inconvenience and costly sewer clogs.
House traps are very common in Pawtucket, Rhode Island; Cranston, Rhode Island; Providence and Woonsocket. However, they are spotty and often unpredictable as to where the sewer and drain cleaning professionals will find them with in the cities of Massachusetts.
Diagnosing and fixing the drainage problem for a sink, shower or bathtub may be a long and difficult process. Be safe. If fixing the issue is something that is risky or not being understood, contact a drain service company. The range of pricing for a company who cares to do the job correctly is within $145.00 – $225.00. Main sewer line cleaning service can cost $245-$365. This depends on material used in piping, age of the house which would help the plumber understand the plumbing code that was used in assembling the plumbing system, access to the plumbing and what is assumed to be creating the blockage.
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