Elevation of a double family dwelling as per elevation certificate: to elevate an existing dwelling a set of foundation drawings prepared by a la. Civil engineer must be at the site for the foundation inspection. The dwelling must be at or above the 2. Bfe. No changes in parking or increase in livable area and the steps cant exceed more than 6ft into the required front yard. Electrical and mechanical permits must be applied for before release of the elevation permit. Steps cant exceed more than 6ft into required front yard.