|
How to calculate the capacity Rain Water
Harvesting Tank you need |
| |
|
|
● |
Click on the nearest climatic zone (according to the
city) to
your location on the map or on the alphabetical
list below. |
|
● |
Read minimum daily service level you require from
the relevant table, according to your roof
size (area) and the tank size
(capacity). |
| |
|
| |
|
| |
Anuradhapura |
| |
Badulla |
| |
Batticaloa |
| |
Bibile |
| |
Colombo |
| |
Galle |
| |
Hambantota |
| |
Jaffna |
| |
Kandy |
| |
Mannar |
| |
Minneriya |
| |
Nuwara Eliya |
| |
Pelwatta |
| |
Puttalam |
| |
Ratnapura |
| |
Trincomalee |
| |
Wariyapola |
| |
Watawala |
| |
|
| |
|
| |
|
| |
Reliability 95% |
| |
Run off coefficient: 0.8 |
| |
|
| |
Tables are derived by Mansur’s
Graphs: Mansur U. An Investigation on Rainwater
Harvesting in Sri Lanka with Emphasis on Quality
of Rainwater and System Design. M.Sc. Thesis
University of Peradeniya, Peradeniya, Sri Lanka |
| |
|
