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DIY Rainwater harvesting…collection and storage
Apart from adding value to the home other Advantages include:-
- Requires little maintenance and energy
- Rainwater is free from pollutants, chemicals, salts & minerals
- Reduced water usage bills
These are the preliminary sketches and data that I am sharing.
Material lists as supplied for above diagram, however please make adjustments for your own roof.
Prices and water saving items and tips can be found here:-
Rainwater tank plumbing diagram & design schematics (using 90mm UPVC Pipe, bends, adaptors, etc.)
Labour - 2 people digging
Time to complete approx. 3 Days based on .8m3 /man hr (80% efficiency)
PVC pipe installation includes easy site access, light digging (sandy soils), banking soil adjacent to dig and no hauling etc.
Final connection and pressure testing to be carried out by licenced plumber.
Note: No cross connections between Drinking & Non Drinking water services. Refer to Relevant codes NCC & AS3500.1 for further info.
OT. Also I would love to see some of your own innovative water conservation ideas, please share 
Happy Greener New Year DIYers/Workshoppers
@greygardener
I have a polycarbonate pitched roof over our pool
Advantages
1. Save on chlorine all year round
2. Minimizes pool water evaporation
3. Allows you to swim all day without sun screen
4. Has a rainwater diverter that is used to fill the pool
The only minor disadvantage is it takes longer for the water to heat by direct sunlight
tho we have solar heating
