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.
San francisco building code retaining walls. This addendum includes piles pile caps spread footings line footings grade and tie beams and slabs on grade and underground utilities as applicable. 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. 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. 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 wall contractor san francisco. Highlights of the san francisco building code. San diego municipal code chapter 14 article 2. 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.
One of these requirements for this particular project is having to build a 1 hour fire wall since the deck abuts the property line. Building codes are one of those necessary evils that can be annoying at times but go a long way toward ensuring a safe house. The folsom municipal code adopts by reference the 1997 uniform building code ubc. Retaining walls heights are also regulated by the zoning laws of the city as follows.
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. 2016 san francisco building code ab 032 b. Common wall building codes. 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.
This definition also applies to freestanding pool walls. Cantilever retaining and basement walls not more than one story above grade may be included when clearly shown on the plans. 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. These ordinances have been incorporated into the 2016 san francisco building code.
Wall building codes encourage uniformity. Ubc 106 2 item 5 states that. Building a simple deck in san francisco can become a complex project due to san francisco department of building inspections abundant codes requirements and restriction.