Construction Fee Plus Form With Two Points In Alameda
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1 Indian standard code used for designing retaining wall – IS 400 for concrete design. 2 IS 1893 Part-III used for design of bridges and retaining wall.
In most cases, retaining walls that are not over three feet in height measured from the bottom of the footing to the top of the wall do not require a building permit. Refer to Development Code Chapter 22.20 and Section 22.22.
A Building Permit and engineering calculations are REQUIRED when: The wall is greater than 4'-0” measured from bottom of footing to top of wall.
Retaining walls that are not part of a building shall have a maximum height of 6 feet. Retaining walls with a height greater than 4 feet shall not have a horizontal measurement of greater than 20 feet per retaining wall, and 40 cumulative feet for all such walls.
(1) Soils and engineered retaining walls shall not cause, in whole or in part, damage to the structure built upon the soil or engineered retaining wall. (2) Soils and engineered retaining walls shall not cause, in whole or in part, the structure to be structurally unsafe.
