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Posts about drainage plans, sheet flow, area drains, trench drains, and rain gardens. Most of these are from Altadena rebuilds where the topography forces a real drainage design.
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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We recently got a drainage plan approved in Altadena without requiring a sump pump or a LID maintenance covenant. Here is the engineering behind why it worked.
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A steep Altadena fire rebuild grading plan near the base of the San Gabriel Mountains. We took over from another civil engineer to design cost-effective grading and drainage.
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Pacific Palisades fire rebuilds often require grading plans, excavation plans, stormwater sump pumps, and erosion control. Basements add complexity requiring shoring plans from structural engineers.
Read MoreMany Altadena fire rebuilds are told they need a sump pump. Here's how we sometimes show the site drains the same way it did before the fire and skip the pump entirely.
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Looking at a new single family house with basement in Brentwood and the main constraint is keeping everything as level as possible while minimizing cut.
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Altadena, tucked beneath the San Gabriel Mountains, is a charming Los Angeles County community known for its scenic beauty and charming homes. Unlike the steep hillsides of nearby areas, Altadena's flatter terrain presents its own set of grading and drainage challenges.
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Los Angeles hillsides, from Pacific Palisades to Beverly Hills, offer stunning views and prime real estate for luxury homes. But building on these slopes comes with a hidden challenge: managing water.
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Los Angeles iconic hills, from Bel Air to Malibu, are the backdrop for some of the city most stunning luxury homes. But building on these slopes requires expert hillside grading and drainage.
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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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