derived from the evaluation of conditions within a water system which can be classified as either a “health hazard” or “non-health hazard.”
a process that involves no gain of heat by, or loss from, the system.
a tool used for throwing up an edge on lead pipe in preparing it for “wiping”. Used for straightening or expanding flexible pipe.
1. repairs are defined to consist of fixing leaks and removing of obstructions in soil, waste, and supply lines and to restore defective valves, faucets and similar appliances to an efficient operating condition. 2. to restore to sound or good condition.
plumbing a system of pipe and fittings, paralleling a plumbing drainage system, except that it is installed where acids are formed in stronger concentration than normally found in household waste, i.e.: a laboratory, research or medical building. The system is constructed of materials resistant to the acids encountered.
a pipe joint in which one end of the pipe is opened enough to receive the tapered end of the pipe to be joined. Used in joining lead pipe.