The plumbing courses cover all the aspects that you will be required to deal with as a emergency service. You will be taught about the basic aspects as well as about health and safety issues and sanitation.
Visually water line repair examine the frozen pipe for signs of damage including cracks holes or breaks. Begin your quest in the areas that are located closest to cold area such as the outer walls and crawl spaces. The holes can be as tiny as a pinprick, so inspect the pipe closely.
After you have the stems out you should be able to find the washer on the "inside" end. If it is nicked, torn or brittle it is likely the cause of your drip. Even if it looks brand new, go ahead and replace it. You've already come this far. You can get replacement washers at almost any hardware store. Sometimes you may want to replace the whole stem, especially if the handle end is stripped out. It's best to just take the stem with you to the store and see if you can match it up. Most Do It Yourself stores have replacement stems for many popular brands. If your valve has a center diverter valve to switch the waterfrom the tub spout to the shower head the same process applies. Many times it is easier to replace the diverter stem than to repair it. This really depends on the design of the stem.
10) Tighten down the closet bolts making sure NOT to use too much torque. You aren't installing tires on a race car here so, take it easy Mr. Goodwrench. You just want to hold the toilet in place, not crack the porcelain base of the toilet or damage the drain flange.
18. When using an electronic chart plotter do not use the waypoints at the harbour entrances. Anticipate the direction from which you will be approaching and chose a waypoint which will help you to water line repair eyeball your way in.
Turn the water off at the main shutoff valve at the street. You should be able to take a pair of pliers(or your bare hands) and turn the valve at the water meter to shut off the water to your home. Once you have shut off the water you can cut the pipe around the leak and make the repair.
The plumber you hire does not normally do heating but will do hot water heating or in floor heating in the house. Some places you can use the water heater for both domestic hot water and for in floor heating if the heating is a secondary heat. Check with your local plumbing codes on this to be clear.