Good drainage is an essential ... downspouts on patios or driveways. Catch basins 'catch' rainwater and slowly release it into pipes to prevent water systems from being overloaded with too much ...

The main inflow of water comes from a collection basin at the beginning of ... A gravel layer above and below the pipe helps catch water and allow it to slowly drain into the pipes and flow ...

You typically only have drainage pipes, pea gravel, fabric filters and catch basins. Then, add concrete and a sump pump to the costs for inside systems. According to recent prices at national ...

Mudslides are dangerous torrents that are usually referred to by geologists and first responders as debris flows.

Tuesday’s snowfall in New Orleans may be of historic proportion, but it doesn’t pose any major challenge to the city’s beleaguered drainage ... for the catch basins and small subsurface ...

In addition to clearing debris from streets, preparing debris basins in the foothills, and protecting the storm drain system from ash and debris, the agency has 15,000 k-rails, 700,000 feet of ...