Solving a Complex Home Water Drainage Project
Storm Drain, French Drain, Sump Pumps, Foundation Water Barrier and a Custom Water Dissipator
Not just a Storm Drain…Installing a Complex Drainage System.
This complex drainage project in Woodside took place in stages over several months. We worked with the home ownwers and several contractors while a major home addition was installed. We did the water, sewer lines and drainage. This project page will cover only the drainage part which by itself was a challenging project.
Major Components of the Home's New Drainage Solution
Due to the property’s location slightly below a paved road and on a slope, a lot of rainwater flowed across the property. Local building requirements to control rainwater flow presented a significant challenge for the homeowners, a challenge that needed to be met to move forward with a large, planned home addition.
A specialist was brought in to design the solution which entailed:
- A custom, underground water Dissipation Assembly was built and installed. This assembly included a bubbler box and Sedimentation Basin designed to hold excess water and allow dissipation over time.
- French Drains were added that surrounded the entire addition and part of the existing home.
- A new Storm Drain system was added, directly above the French Drain. Part of which drained into the new Dissipation Assembly, part into a new well with Sump Pump Station.
- Roof downspouts were tied into the new Storm Drain.
- A duel Sump Pump Station was installed inside a shallow well to direct water from the addition to the Custom Water Dissipation Assembly which had to be, due to the slope of the property, slightly above the addition.
- Physical Water Barrier projections were adhered to the foundation to protect it. Both the French and Storm Drains were near the new addition’s foundation. BITUTHENE® 4000 and Sitedrain® products were used to provide that physical barrier.
We applied a Water Barrier, specifically BITUTHENE® 4000 and Sitedrain®, to parts of the foundation of the addition which can be seen here.
We applied a Water Barrier, specifically BITUTHENE® 4000 and Sitedrain®, to parts of the foundation of the addition which can be seen here.
The below video is a peak into the project during construction. It specifically shows the sub-drain and part of the storm drain.
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