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Pipe threads come in different styles. Some are compatible, and others are not. You could encounter straight pipe threads, tapered pipe threads, or fire­hose coupling straight threads. To understand the types of pipe and hose threads, let me give you some illustrations to consider. The tables in Figures 11.11, 11.12, and 11.13 show you how […]

Thermal expansion can occur in pipes when there are temperature fluctua­tions. Damage can result from this expansion if the pipe is not installed prop­erly. In order to avoid damage, refer to Figures 11.7, 11.8, and 11.9 to learn about the tolerances needed for various types of pipe (Fig. 11.10). Coefficient Pipe material in/in/°F (°С) Metallic […]

Figuring the weight of a pipe and its contents is necessary when you are choosing the needed strength of a pipe hanger. There is a formula that you can use to accomplish this goal. Let’s say that you want to know how much a Nominal pipe size (NPS), in IP ASHRAE std. wt. size, mm […]

Are you aware of the Unified Numbering System (UNS)? This is a system that is meant to correlate the many metal alloy numbering systems that are being used in our country. I could go into a long discussion on this, but I believe that a simple table will give you enough information for now. Figure […]

Drinking fountains installed for handicap use shall be installed so that the spout is no more than 36 inches above the finished floor. The spout must be located in the front of the fountain. It is required that the flow of water from the spout shall rise at least 4 inches. Controls for operating the […]

Bathtubs for handicap use are required to have a seat. The seat may be built in or a detachable model. Grab bars with a minimum length of 24 inches must be mounted against the back wall, in line with each other and parallel to the floor. One of the bars, the top one, must be […]

Bathing units for handicap use are required to be equipped with grab bars. Bathtubs and showers for handicap use are often different in size and equip­ment from what you would find in a standard fixture (Fig. 10.10, Fig. 10.11). The minimum clear space in front of a bathing unit is 30 inches from the edge […]

Kitchen sinks require a minimum clear space in front of them that must be 30 inches by 30 inches. This is based on a measurement made from the front face of the kitchen sink, counter, or vanity. Measuring from the finished floor to the top edge of a kitchen sink or counter should result in […]

Lavatories installed for handicap use must be of a type that is accessible by a person in a wheelchair (Fig. 10.9). The minimum clear space in front of a lava­tory must be 30 inches by 30 inches. This is based on a measurement made from the front face of the lavatory, counter, or vanity. Measuring […]

Let’s talk about the facilities for handicap toilets (Fig. 10.8). When a handi­cap toilet is installed in a privacy compartment, the minimum net clear open­ing for the compartment must be at least 32 inches wide. The door of thecompartment must swing out, away from the toilet. The width of such a com­partment should be 36 […]