In addition to the basic building code, jurisdictions issue plumbing, mechanical, and electrical codes. Interior designers are not generally required to know or to research most plumbing or mechanical code issues. On projects with a major amount of plumbing or mechanical work, registered engineers will take responsibility for design and code issues. On smaller projects, a licensed plumber or mechanical contractor will know the codes. However, the interior designer needs to be aware of some plumbing and mechanical requirements, such as how to determine the number of required plumbing fixtures.
The interior designer often meets with the architect ¿( and engineers in the preliminary stages of the design process to coordinate the interior design with new and existing plumbing, mechanical, and electrical system components. The location of plumbing fixtures, sprinklers, fire extinguishers, air diffusers and returns, and other items covered by plumbing and mechanical codes must be coordinated with interior elements. The plumbing, mechanical, and electrical systems are often planned simultaneously, especially in large buildings. Vertical and horizontal chases are integrated into building cores and stairwells. Suspended ceiling and floor sys tems house mechanical, electrical, and plumbing components. The locations of these components affect the selection and placement of finished ceiling, walls, and floor systems. We look at the details of this coordination in other parts of this book.
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