ADU Timing: Ask Before Altadena Plans Are Approved
LA County often requires sump pumps on Altadena rebuilds. Planning an ADU later? Extra engineering now can save $15,000 to $20,000 in pump costs.
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Sump pump
Posts about sump pumps in Los Angeles fire rebuilds. We usually try to avoid them. When we can't, here's what a sump pump design actually involves.
Skipping the Sump Pump and LID Covenant in Altadena
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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Chapala Drive Rebuild: Basement, Pool, Sump Pump
A Pacific Palisades fire rebuild needing grading, excavation, erosion control, and sump pump design for a basement, with a pool and lightwells below street grade.
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Avoiding a Sump Pump on Your Altadena Fire Rebuild
Many Altadena fire rebuilds get told they need a sump pump. We show the site drains like it did pre-fire and skip the pump entirely.
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Sump Pump Design in Altadena - LA County Standards
When does an Altadena property need a sump pump? We follow LA County standards for design and try to avoid pumps whenever gravity drainage can work instead.
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Changing Drainage Pattern to Remove Sump Pump in Altadena
Another Altadena drainage plan engineered to skip the sump pump: stormwater that used to drain from the curb to the rear is re-routed to the street.
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