This presentation formed part of the Farming Futures event 'FarmWater Futures'. 30th March 2010

1. Evenproducts Limited
Rainwater Harvesting
Simon Jones
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2. Evenproducts Limited
It’s a RESOURCE...... CAPTURE IT!
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3. Evenproducts Limited
Rainwater Harvesting – WHY?
Control of Supply
Control Runoff – Attenuation
Save Money
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4. Evenproducts Limited
Using the Water
Irrigation
Livestock Watering
Washdown
Cooling of buildings
Chemical spraying
Fire protection
Dust suppression
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5. Evenproducts Limited
Installation
A modular system........
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6. Evenproducts Limited
Installation
Water Collection & Storage
Reservoirs
Steel Tanks
Underground Concrete Tanks
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7. Evenproducts Limited
Installation
Water Distribution
Pipework ‐ PE
Pumps
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8. Evenproducts Limited
Installation
Water Filtration
Disc or Screen
UV
Ozone
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9. Evenproducts Limited
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10. Evenproducts Limited
One we installed earlier....
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11. Evenproducts Limited
Installation details.....
Roof area: 15000m²
Storage: 1000m²
Pipe size: 160mm
Tanks: 5 x 7.31/4.57 metres
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12. Evenproducts Limited
Calculating the Harvest....
Roof Area: 40 x 20 metres (800m²)
Average Rainfall: 0.8 metres (800mm)
This roof can collect 640,000 litres (140,000 gallons)
At £1.20 per cubic metre this is £768.00
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13. Evenproducts Limited
How much does Storage Cost?
Water Tank with liner and fabric cover
50m³ £1795
128m³ £3277
288m³ £5864
Payback in under 4 years! (depending on usage)
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14. Evenproducts Limited
Illustration 1
Roof Area: 60 x 40 metres
Total: 2400 sq metres
Average Rainfall: 800 mm
Total Collectable per annum: 1920 cubic metres
Water saving at £1.20/m³ £2,304.00
Storage Tank: 128m³ £3,200.00
In line Manual Filter 25m³/hour £200.00
Pipework & Pump £1,000.00
Total Cost £4,400.00
Payback 1.91 years
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15. Evenproducts Limited
Illustration 2
Roof Area: 60 x 40 metres
Total: 2400 sq metres
Average Rainfall: 800 mm
Total Collectable per annum: 1920 cubic metres
Water saving at £1.20/m³ £2,304.00
Storage Tank: 288m³ £5,900.00
In line Automatic Filter 15m³/hour £2,000.00
Pipework & Pump £1,000.00
Total Cost £8,900.00
Payback 3.86 years
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16. Evenproducts Limited
Illustration 3
Roof Area:
Total: 10000 sq metres
Average Rainfall: 800 mm
Total Collectable per annum: 8000 cubic metres
Water saving at £1.20/m³ £9,600.00
Storage Tanks: 2 x 128m³ £5,900.00
Reservoir: 7200m³ £20,000.00
2 x In line Automatic Filter
15m³/hour £4,000.00
Pipework & Pump £2,500.00
Total Cost £32,400.00
Payback 3.38 years
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17. Evenproducts Limited
Points to consider.....
What quality of water do you need... There is
always a cost attached to quality
Storing large quantities of water consider
aeration, filtration, algae build up,
evaporation and disease
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18. Evenproducts Limited
The CONS.......
Space.... Do you have the space available?
Cost ...... Grant funding is next!!
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19. Evenproducts Limited
The PROS
Control of water supply
Control of water quality
Control of runoff
Save money.... Short term payback
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20. Evenproducts Limited
Summary
Catch Water – It’s FREE!
Catch Water – Control
Catch Water – Save Money!
Catch Water...... There is no CATCH!!
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21. Evenproducts Limited
Here’s one that we made earlier!!
Robust construction
Withstands wind and snow loads
Designed to British Standards (BS 5950, BS 8110)
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22. Evenproducts Limited
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23. Evenproducts Limited
Water Storage Tanks
•Designed to British Standards
•Tanks up to 2,000,000 litre capacity (2000m³)
•40% extra safety margin
•Water Council Approval
•Steel Covers with 2 Hatches
•Purlin superstructure
•Designed to withstand wind and snow loading
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24. Evenproducts Limited
Reservoirs can have large storage capacity
Easy to install
Inexpensive solution for large quantities of water
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