Construction is offsite, using lean manufacturing methods to prefabricate single or multi-story buildings in deliverable module sections. Permanent Modular Construction (PMC) buildings are produced in a controlled setting and may be constructed of timber, steel, or concrete. Modular components are generally constructed indoors on assembly lines. Modules' construction may take as few as ten times but more often a few weeks.
The entire process of modular construction places significance on the design stage. This is really where practices like Design for Manufacture and Assembly (DfMA) are used to ensure that assembly tolerances are controlled throughout manufacture and assembly on site. It's vital that there's enough allowance in the layout to enable the assembly to take any"idle" or misalignment of elements. The usage of advanced CAD systems, 3D printing and production management systems are essential for modular structure to be successful. This is quite unlike onsite construction in which the tradesman can frequently make the part to suit any particular installation.
Permanent modular buildings are designed to meet or exceed the same building standards and codes as site-built structures and the same architect-specified materials used in conventionally built buildings are traditionally used in modular building jobs. PMC can have as many tales as building codes allow. Unlike relocatable buildings, PMC structures are meant to remain in one location for the duration of their useful life.
Modular buildings might be used for long-term, temporary or permanent facilities, such as construction crews, universities and schools, military and civilian home, and industrial facilities. Modular buildings are employed in rural and remote regions where traditional construction might not be possible or reasonable, by way of instance, the Halley VI accommodation pods employed for a BAS Antarctic trip.  Other applications have included churches, healthcare facilities, retail and sales offices, fast food restaurants and cruise ship construction. They may also be utilised in areas that have weather concerns, like hurricanes.
Material for pole built and modular homes will be the same. Modular homes are not doublewides or mobile homes. To begin with, modular homes don't have axles or a metal framework, meaning they are generally transported on flat-bed trucks. Modular buildings must conform to all relevant local building codes, while doublewides and mobile homes have metal beneath framing. Doublewides and mobile houses made in the USA are required to conform to national codes regulated by U.S. Department of Housing and Urban Development.
Modular buildings and modular houses are prefabricated buildings or houses which contain repeated sections called modules. "Modular" is a building method that involves assembling sections from the building site, then delivering them to the intended website. Installation of these prefabricated sections is finished on site. Prefabricated sections are sometimes placed utilizing a crane. The modules can be set side-by-side, finishing, or stacked, allowing a variety of styles and configurations.
The buildings are 60 percent to 90% finished offsite in a factory-controlled surroundings, and transported and constructed in the last construction site. This can include the whole construction or be parts or subassemblies of larger structures. Oftentimes, modular builders work with traditional general contractors to exploit the tools and advantages of each type of construction. Finished modules are transported to the construction site and constructed by means of a crane. Positioning of the modules may take from several hours to several days.
Modular buildings, also referred to as prefabricated houses or precision built homes, are developed to equivalent or higher standards as on-site stick-built houses. The construction method is known as permanent modular structure.