Storm drainage systems shall be permitted to be sized using the roof area served by each of the drainage system.
Roof runoff systems.
Install a rain barrel or cistern to catch stormwater runoff from roofs.
There are basically an easy inexpensive way for homeowners to try to get the water away from their house.
Use a shallow gravel filled trench to catch and slow runoff especially at the base of a slope or alongside a driveway or patio.
This home just had a couple of these.
Drainage system for roof runoff water we re installing an underground drainage system for roof runoff water.
The system outlined below will walk you through the steps of determining your rain barrel sizes based on average roof runoff.
For sample purposes a 55 gallon barrel will be used.
Use this water to irrigate garden plants.
Also outlined are the steps to build your own rain barrel to collect water from your roof and downspout for all outdoor uses like watering and cleaning.
Another simple and straightforward way is to make sure that the landscape of your garden is permeable including your hardscaping paths decks and driveways.