by B W | Engineering and Design
Its been an experience, but we are finally getting the latest batch of Altadena drainage plans approved by LA County. Our technique is to keep the existing drainage pattern so we don’t have to install stormwater sump pumps. This is special for the Altadena fire...
by B W | Engineering and Design
This is our first sideways lot in Altadena, with the entrance on the West side and the topography slopes North to South. The goal is to drain as much stormwater to the street as possible using gravity. There is about a 6 foot drop North to South over a 75 ft run and...
by B W | Engineering and Design
Going through plan checks and getting the current requirements back in a correction, one of the projects had their insurance ask what code LA County is using to require drainage plans on some lots, and not on others. The answer is located at...
by B W | Engineering and Design
This Altadena Drainage Plan is a corner lot fire rebuild. The proposed house sits in a similar location but we need to adjust the existing contours to keep 5% slope 10 feet from the structure at the top. From there we create a flowline that wraps around both sides of...
by B W | Engineering and Design
Next up in the Altadena fire rebuilds is a grading plan to remove a pool. This will be our first pool removal plan in Altadena. This particular lot is a large one and the County is requiring a grading plan to remove the pool. What we are doing is connecting the...
