Rainwater Harvesting: Installation & Pitfalls - Simon Jones (Even Products Ltd)
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Transcript of Rainwater Harvesting: Installation & Pitfalls - Simon Jones (Even Products Ltd)
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Evenproducts LimitedEvenproducts Limited
tank technologies
Rainwater Harvesting
Simon Jones
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Evenproducts LimitedEvenproducts Limited
tank technologies
It’s a RESOURCE...... CAPTURE IT!
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Evenproducts LimitedEvenproducts Limited
tank technologies
Rainwater Harvesting – WHY?
Control of Supply
Control Runoff – Attenuation
Save Money
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Evenproducts LimitedEvenproducts Limited
tank technologies
Using the WaterIrrigation
Livestock Watering
Washdown
Cooling of buildings
Chemical spraying
Fire protection
Dust suppression
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Evenproducts LimitedEvenproducts Limited
tank technologies
Installation
A modular system........
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Evenproducts LimitedEvenproducts Limited
tank technologies
Installation
Water Collection & StorageReservoirs
Steel Tanks
Underground Concrete Tanks
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Evenproducts LimitedEvenproducts Limited
tank technologies
Installation
Water DistributionPipework ‐ PE
Pumps
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Evenproducts LimitedEvenproducts Limited
tank technologies
Installation
Water FiltrationDisc or Screen
UV
Ozone
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Evenproducts LimitedEvenproducts Limited
tank technologies
![Page 10: Rainwater Harvesting: Installation & Pitfalls - Simon Jones (Even Products Ltd)](https://reader033.fdocuments.in/reader033/viewer/2022060110/55618c31d8b42a96778b4df4/html5/thumbnails/10.jpg)
Evenproducts LimitedEvenproducts Limited
tank technologies
One we installed earlier....
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Evenproducts LimitedEvenproducts Limited
tank technologies
Installation details.....Roof area: 15000m²
Storage: 1000m²
Pipe size: 160mm
Tanks: 5 x 7.31/4.57 metres
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Evenproducts LimitedEvenproducts Limited
tank technologies
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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Evenproducts LimitedEvenproducts Limited
tank technologies
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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Evenproducts LimitedEvenproducts Limited
tank technologies
Illustration 1
Roof Area: 60 x 40 metresTotal: 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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Evenproducts LimitedEvenproducts Limited
tank technologies
Illustration 2
Roof Area: 60 x 40 metresTotal: 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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Evenproducts LimitedEvenproducts Limited
tank technologies
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 £5,900.00Reservoir: 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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Evenproducts LimitedEvenproducts Limited
tank technologies
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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Evenproducts LimitedEvenproducts Limited
tank technologies
The CONS.......
Space.... Do you have the space available?
Cost ...... Grant funding is next!!
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Evenproducts LimitedEvenproducts Limited
tank technologies
The PROSControl of water supply
Control of water quality
Control of runoff
Save money.... Short term payback
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Evenproducts LimitedEvenproducts Limited
tank technologies
Summary
Catch Water – It’s FREE!
Catch Water – Control
Catch Water – Save Money!
Catch Water...... There is no CATCH!!
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Evenproducts LimitedEvenproducts Limited
tank technologies
HereHere’’s one that we made earlier!!s one that we made earlier!!
Robust construction Withstands wind and snow loadsDesigned to British Standards (BS 5950, BS 8110)
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Evenproducts LimitedEvenproducts Limited
tank technologies
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Evenproducts LimitedEvenproducts Limited
tank technologies
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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Evenproducts LimitedEvenproducts Limited
tank technologies
Reservoirs can have large storage capacity
Easy to install
Inexpensive solution for large quantities of water