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Posts tagged with "adu". 4 posts on this topic from our Los Angeles civil engineering practice.
A drainage plan and hydrology report for an Altadena fire rebuild where the site slopes 11 feet from street to rear. We designed flowlines around the main house and proposed ADU, added plastic lined rain gardens on both sides, and used the hydrology report to show pre-fire impervious was greater than proposed.
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LA County often requires pumps on Altadena fire rebuild projects. But there are ways to get around that requirement. If you are planning to add an ADU later, doing the extra engineering now could save $15,000 to $20,000 by avoiding sump pump requirements.
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Our next Altadena drainage plan is for a lot with manufactured homes, consisting of basically two ADU's. With the way this lot slopes and two smaller, separate structures, we are trying to save as much on construction costs as possible.
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Looking at an interesting plan in Los Feliz with a slight addition and a nice ADU addon. At first glimpse everything is trying to be tied into the existing topography.
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