Given a passage and a query based on the passage, generate an unambiguous, concise and simple answer to the query from information in the passage. Note that the answer may not be present in exact form.

[EX Q]: That would be alot of work, only replace what you need to. Unless it is your sewer line then i would replace it all to the main. I agree with answer # 1. IN ADDITION: Back in the day, cast iron joints were sealed together with hot lead. Depending on the position of the cast iron pipe and the size of it. Either one can cut the cast iron piping and clamp PVC to it or you can melt the old lead out of the cast iron joints and place PVC piping inside and then recork (reseal) it with prattley putty to prevent it from leaking. the flow of water: slow drainage is often the first indication of a problem, and homeowners may find themselves calling the plumber every six months to clear out the pipe. The average lifespan of cast iron drain/sewer pipe is 50 to 65 years. It is easily recognized by the thickened female "hub" at each pipe segment connection. Rust eventually eats through cast iron, primarily from the inside out, as shown in the photo below. Because corrosion is accelerated by moisture, pipe with light effluent flow and installed in a dry environment can survive 20 to 30 years longer. So keep cast iron piping or cast it out? Older cast iron waste pipes should be judged on a case-by-case basis. First hire an experienced home inspector to collect information about the drain waste system's performance. Ask your home inspector to do a visual inspection of the pipes if possible. If your inspector is any Trenchless Pipe Lining LLC matches that warranty with a 50-year labor warranty since the liner has turned into rock inside the pipe and cannot move, shrink, or be displaced in any way. Interestingly, the hardened pipe liner actually DOES flex a little which allows it to accommodate ground settlement without cracking, unlike clay or cast iron sewer pipes. Re: Cast Iron Drain Pipe - Life Expectancy. I simply put cast-iron and galvanized piping will rust from the inside to the outside and eventually will need updating. If mineral deposits are noted as reported as a leak. Also be aware I have found vent pipes totally rusted out behind the wall. A good quality cast iron pipe, installed under ideal conditions, has a life expectancy of 75 100 years, and possibly even more. Cast iron does rust but when it does the rust actually forms a barrier layer over the remainder of the pipe which helps protect it from further rusting. Since most cast iron pipes were thick walled to begin with even with some rusting inside they can handle the lower pressures of waste water disposal quite well and last a long time. Cast iron also provides many other benefits in home waste systems that still makes it a good choice for homes. For all of its good points cast iron does have some problems related to it. One of the problems had to do with the varying quality of the pipe that was manufactured in earlier years. Standards for cast iron pipe have been around since the 1800's but like anything else they are voluntary standards. Cast Iron and galvanized drain pipe may appear to be in fairly good condition from the outside. When I had some cast iron drain pipe replaced, we found sever... Cast Iron and galvanized drain pipe may appear to be in fairly good condition from the outside. When I had some cast iron drain pipe replaced, we found several potential problems that would have surfaced in the near future. The estimated life expectancy for cast iron drain pipe is 60 years. I couldn't find any good estimates for the life span of galvanized pipe, however, my 2 inch pipe from the kitchen drain was almost rusted closed. What kind of paint for a cast iron drain pipe? If you want to prime it first, latex is fine or oil base by itself. You can probably get by with latex directly on the pipe, but there may be oils or dirt on it that will blee d through. Query: how long does cast iron drain pipe last
[EX A]: The average lifespan of cast iron drain pipe is 50 to 65 years.

[EX Q]: How long does fatigue associated with the flu last - How long can fatigue last with the flu? Days to weeks. Fatigue aftrer influenza can last days to weeks. It depends on your general health, how il you were, and if you had any complcations such as sinus infection, or pneumonia. Some have a mild illness and may have minimal fatigue. Influenza (the flu) Fever Rare Usual, sudden onset 39-40C (102.2-104F), lasts up to 3 to 4 days Headache Rare Usual, can be severe Aches and pains Sometimes mild Usual, often severe Fatigue and weakness Sometimes mild Usual, may last 2-3 weeks or more Extreme fatigue Unusual However, even after getting better, you can still feel tired, weak, and generally gloomy for several weeks. How Can You Treat the Flu? Although there is no outright cure for the flu, your doctor can prescribe an antiviral medication that can reduce the severity and longevity of symptoms. Some people are at increased risk for complications from influenza. 1 These people include: 2 the very young. 3 people 65 or older. 4 people with chronic illnesses, such as asthma, heart disease, HIV, or diabetes. 5 pregnant women. 6 people with a body mass index (BMI) of 40 or higher. Symptoms can begin about 1 to 4 days, or an average of 2 days, after a person is first exposed to the influenza virus. Fever and other symptoms can usually last up to 7 to 10 days, but the cough and weakness may last 1 to 2 weeks longer. What is the home treatment? If you get sick with influenza, home treatment can help ease symptoms. The QuickVue Influenza A+B Test is an accurate rapid flu test, that assists the doctor in making an accurate diagnosis. 1 How Long Do Flu Symptoms Last? According to the CDC, the flu typically lasts anywhere from a few days up to 2 weeks after it has been contracted. The length of the flu may be longer than 14 days for those in high risk categories for the illness. This may include: children under five, pregnant women, people over 50 years of age, and those living in assisted care or nursing homes. Advertisement. 1 Thanks for the replies. Yup had a couple of blood tests and nothing showed up. 2 Hi grumm - like you I had a full range of blood tests, and nothing has shown up. But apparently that is quite common with post-viral fatigue. 3 I was once diagnosed with PVF. A bout of the flu typically lasts one to two weeks, with severe symptoms subsiding in two to three days. However, weakness, fatigue, dry cough, and a reduced ability to exercise can linger for three to seven days. How Long Is the Flu Contagious? Although Vicks products cannot cure the flu, they can help you feel better. If you're suffering from a sore throat, runny nose, minor aches and pains, headache, fever, or cough, try NyQuil and DayQuil to get some much-needed flu symptom relief both day and night. The earliest symptom of the flu is extreme tiredness and fatigue. It should be noted that everyone is different. You may not experience all of these symptoms, and some people may have the flu virus in their system but exhibit no symptoms. Query: how long can the tiredness from the flu last
[EX A]: Influenza Fever lasts up to 3 to 4 days and severe Aches and pains may last 2-3 weeks or more.

[EX Q]: Call as an intern on neurosurgery is one night in seven which isn't too bad (and keeps the total hours down for the week such that I can spend more time in the OR without being just plain dead tired). I was lucky in that my parents have been happily married for 28 years. It takes a special personality of both the surgeon and the spouse to deal with the stress of this job. My mom is incredibly understanding and independent, which I may argue is more important than how the surgeon handles it. Follow this question. 1 Enter your phone number and/or email and we'll send you a message when there's an update to this question! 2 Enter your phone number and/or email and we'll send you a message when there's an update to this question! Few neurosurgeons work less than 50-60 hours a week (80+ is not at all unusual), practically all of them complain about lack of time with family (high divorce rate), and hobbies are usually flexible ones (e.g. if you run, better run around a track when you're on call). The average pay for a neurosurgeon ranges between 53.00 and 56.75 per hour. This brings to an average of 113,500 per month, however though different regions across UK offer different salary amounts to the neurosurgeons. Canada [1] The annual salary for Neurosurgeons in Canada ranges from C$178,000 to C$351,000. A neurosurgeon is a specialist surgeon and commands and very high salary. The average neurosurgeon salary is $368,000 without bonuses. With bonuses, the average salary is just over$500,000. A neurosurgeon is also called a brain surgeon. Types of Surgeons and Average Compensation for Each. 1 General Surgeons: (5 Years of residency, no fellowship required) Perform appendectomies, hernia surgeries, and other types of surgeries including liver, spleen, intestinal, and some head, neck, chest surgeries, excluding hearts. In surgery, the training is rigorous and the lifestyle that accompanies a busy surgical practice is taxing, but surgery is also one of the most rewarding fields of medicine. After training, the average general surgeon works 50-60 hours per week (not including time available for call). Depending on the practice situation chosen, you can be on call as much as all the time (if in private solo practice) to once a week (if in a large group practice). The following specialists are some of the most common examples: 1 Allergists (specialists in diagnosing and treating hay fever or other allergies) 2 Cardiologists (heart specialists) 3 Dermatologists (skin specialists) 4 Gastroenterologists (digestive system specialists) 5 Ophthalmologists (eye specialists) Pediatricians who work full time don't necessarily work a standard 40-hour week, according to a December 2009 article in "Pediatrics," which reported full-time pediatricians in subspecialties such as pediatric surgery worked an average of 33.7 hours a week. Query: how long is a typical week for a neurosurgeon
[EX A]:
Few neurosurgeons work less than 50 to 60 hours a week, 80+ is not at all unusual.