San Francisco Building Code Retaining Walls

San diego municipal code chapter 14 article 2.

San francisco building code retaining walls.

Retaining wall permits the city of san antonio considers retaining walls exempt from permitting if walls are 4 feet or. Wall building codes encourage uniformity. Ubc 106 2 item 5 states that. A variety of wall types such as poured concrete walls concrete or masonry block walls sheet pile walls and others can then be designed and built to achieve the desired outcome.

Retaining walls are considered structures and permits are required prior to construction as outlined by section 105 2 in both the international building code ibc and the international residential code irc. Retaining walls shall be designed for a safety factor of 1 5 against lateral sliding. This definition also applies to freestanding pool walls. Retaining walls heights are also regulated by the zoning laws of the city as follows.

The height of a retaining wall is measured from grade on the lower side of the retaining wall to the top of the retaining wall exposed height e sdmc 113 0270 b 2. Highlights of the san francisco building code. Cantilever retaining and basement walls not more than one story above grade may be included when clearly shown on the plans. The appropriate installation of a residential retaining wall can easily be aligned to provide coordination and aesthetic appeal to the remainder of your exterior.

Common wall building codes. Retaining wall contractor san francisco. Retaining walls definitions a retaining wall is a wall designed to resist lateral earth and or fluid pressures including any surcharge in accordance with accepted engineering practice. One of these requirements for this particular project is having to build a 1 hour fire wall since the deck abuts the property line.

Notice to tenants of dwelling unit merger or demolition ordinance 208 15 definition of vacant or abandoned buildings ordinance 14 16 conditional use required to remove any residential unit and mandatory legalization of illegal units in c 3 districts. The folsom municipal code adopts by reference the 1997 uniform building code ubc. These ordinances have been incorporated into the 2016 san francisco building code. Building codes are one of those necessary evils that can be annoying at times but go a long way toward ensuring a safe house.

2016 san francisco building code ab 032 b. For taller walls it will also be necessary to utilize a soil engineer or geologist to ensure the surcharge of the soil is retained by the proper type of retaining. Retaining walls that are not laterally supported at the top and that retain in excess of 24 inches 610 mm of unbalanced fill shall be designed to ensure stability against overturning sliding excessive foundation pressure and water uplift.