![]() Conduit assemblies can be prefabricated off-site, which saves time with on-site construction. The concrete cures until it’s strong enough for the forms to be removed.Īnother installation option is to use prefabrication.Forms are built before concrete is placed around the conduits.Steel reinforcement is cut, bent, and installed.PVC conduits and spacers are installed. ![]() One method is stick-built or cast-in-place, which is typically a long process. There are different methods that can be used to construct and install duct banks. It’s essential for conduits to be aligned and joints cemented, with steel reinforcement placed properly and concrete sufficient for the requirements of the project. The area needs to be stable and offer structural support for the duct bank. When carrying out trench and bedding preparation, it’s essential to make sure working conditions are safe. Duct bank installation requires specialized knowledge and should be performed by skilled and experienced contractors. Proper installation helps to ensure the durability of the duct bankand provides the intended protection. Like anything else involved in construction, duct banks need to be installed in the correct way. Duct Bank Installation and Construction Methods New cables can be installed or replaced faster, safer, and with less resources in a range of environments. Ultimately, duct banks make it a lot easier to manage underground cables. This organization makes it easier for changes to be made to these utilities without having to disturb any of the others. There can be one duct bank for telecommunications and another for electrical cables or data cables. Separate duct banks can be added for different types of utilities. The conduits are used to start organizing cables and the duct bank allows them to be organized even further. Duct banks enable them to be grouped by their purpose or where they need to go. This seperation also allows cables and wires to be organized more easily. Cables are also protected from each other when housed in a duct bank, which prevents cables from touching each other. When they are protected from strain, the elements, earthquakes, and other problems, they can last a lot longer. How Duct Banks Workĭuct banks are intended to reduce the amount of maintenance work that may be required on utility cables. Access to the duct bank is gained through utility structures or on the surface, where they can be accessed through vertical bends in the piping. The system also allows for easy replacement of any of the cables. ![]() The reinforced concrete covers the PVC conduits to deliver this protection. Single-family homes are less likely to need duct banks, but buildings such as schools, hospitals, office buildings, or data centers are likely to require them.ĭuct banks protect cables from weather damage, corrosion, extreme temperatures, and more. Many public facilities or larger buildings may require extensive duct bank systems for the amount of underground cables they require. A duct bank might be used to provide protection over a short distance, but it can also be used for longer distances, too. Duct banks are used to protect utility wires such as those used for electricity or telecommunications. It is made from PVC conduits, which are then protected further by being encased in concrete. What Is a Duct Bank?Ī duct bank (or sometimes conduit bank) is a protective system for utility wires to keep them safe underground. Duct banks need to be installed safely and efficiently so that utility cables can follow. They are crucial when installing utilities and require a process with several steps to be followed to put them in place. Duct banks offer essential protection to wires or cables so that the utilities installed aren’t damaged and will stand the test of time. Installing duct banks is an important part of connecting various types of utilities. ![]()
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