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A basement that extends below a sidewalk or pavement is called an areaway, [2] a vaulted sidewalk, [11] or a hollow sidewalk. [12] In some cities, these areaways were created by the raising of the street level to combat floods, and in some cases they form, an often now abandoned, tunnel network.
Underground construction workers often work under reduced light condition, in dangerous spaces, and are at a high risk of exposure to contaminants, fire, and explosions. In the United States the Occupational Safety and Health Administration (OSHA) first adopted unique regulations for underground construction in 1971.
Mass concrete underpinning is commonly used when permanent support is needed to comply with the Party Wall Act of 1996 in the construction of a new basement during a restoration, rehabilitation or redevelopment. [5] In the United Kingdom most subsidence claims are for buildings at least 40 years old with shallow strip foundations.
Put in 4 sets up to the patio and used the old blocks we removed to raise the height up and soften the slope from 30%grade to 6-10% much more manageable and easier to mow. Only cost about $300 and ...
The best home remodels satisfy at least one of three core needs: they make your space more welcoming and comfortable, they improve safety or efficiency, and they boost your home value. "In general ...
In architecture, a lightwell, [NB 1] sky-well, [NB 2] or air shaft is an unroofed or roofed external space provided within the volume of a large building to allow light and air to reach what would otherwise be a dark or unventilated area. Lightwells may be lined with glazed bricks to increase the reflection of sunlight within the space.