RAINWATER HARVESTING. Domestic and Commercial Solutions. Protecting the environment by delivering reliable wastewater solutions

Transcription

1 RAINWATER HARVESTING Domestic and Commercial Solutions Protecting the environment by delivering reliable wastewater solutions

2 INDEX Domestic Rainwater Harvesting pp - 10 Commercial Rainwater Harvesting pp 11-1 Developer s Rainwater Harvesting pp 1-15

3 Domestic Rainwater Harvesting An introduction The Need for Rainwater Harvesting In todays climate, water is an expensive commodity. As a result of an increase in demand, and water reserves continuing to decline, the amount available to us is falling and water charges are continuing to increase year on year. Despite the fact that England and Wales appear to have plenty of rain, our growing population and the potential changes in climate mean that our water resources are under pressure. The large number of new houses due to be built over the next few years will increase the competition for available water between the environment and people, especially in the South-East of England which has low water resource availability. Reducing demand for mains water can help to reconcile these competing needs. One way of reducing demand is to use a rainwater harvesting system to provide water for domestic uses. Our Climate Climate change is forecast to have a two-fold impact on water resources. It will reduce the amount of water available for public supply and it will increase customer demand for water, particularly in the garden. The latest predictions also suggest that we can expect warmer winters and drier, hotter summers. Legislation Legislation was introduced by the Government in 006 to give water companies the right to compulsorily meter all of its customers. Currently 0% of UK residents have a water meter installed, however this legislation is looking to increase this to 90% over the next 10 years to provide an estimated water saving of 10-15%. The Benefits Up to 50% of the drinking water that is currently used can be safely replaced with rainwater without any inconvenience. Rainwater, often referred to as soft water, can be efficiently harvested and used for applications such as laundry, flushing toilets, general cleaning, car cleaning and garden irrigation.

4 Home package The ideal solution for use in the home and garden 1 Carat underground tank package ECO-Plus Economic package solution Patented filter technology and inhouse pump system with automatic switch-over to mains water supply Easy to assemble due to modular components Float switch controlled Low visual impact Scope of supply 1 Carat underground tank Maxi telescopic dome shaft with an adjustable lid 750 mm - 1,050 mm ( inch) Filter package: Internal self-cleaning filter Inflow stilling system for slowing the water inflow Overflow siphon and rodent guard Suitable for pedestrian loading Capacity/ltr.,750,800 6,500 7,500* 9,600* 1,000* * Set consisting of two Carat S underground tanks Lid for vehicle loading available ECO-Plus pump package: Water supply control unit Floating water extraction unit DN 100 wall duct 1m Suction pipe * see page 6 for detailed information on the pump and filter system

5 Garden package The simple garden solution with submersible pump system 1 Carat underground tank package Garden Comfort Simple to install and use Use a simple hose connection socket and pressure sensitive pump for automatic water activation Low visual impact Reduces electricity consumption by using a pressure drop activation system, so that electricity is only used when required Scope of supply 1 Carat underground tank Mini telescopic dome shaft with an adjustable lid 750 mm mm Filter package Internal Universal Filter Inflow stilling system for controlling the water inflow Overflow siphon and rodent guard Garden Comfort pump package Integra-Duo 1100 Submersible pump, with protection against dry running automatic start / stop function Floating water extraction unit Water hose connection box 10 m of pressure hose Suitable for pedestrian loading Capacity/ltr.,700,750,800 6,500 7,500* 9,600* 1,000* * Set consisting of two Carat underground tanks Lid for vehicle loading available * see page 6 for detailed information on the pump and filter system 5

6 Filter and Pump Packages The tank that turns its head The fully adjustable tank head has been designed to rotate fully. This means that the tank can be installed at any angle and the head adjusted to be aligned to the piping. The lid can also be tilted by up to 5 ensuring it can be adjusted to fit smoothly into the landscape reducing its visual impact. Filter package for the Garden Package For use in the home and garden % water yield Scope of supply: Internal Universal Filter Inflow stilling system for controlling the water inflow Overflow siphon and rodent guard Spannfix pipe connection sleeve New filter technology Filter package for the Home Package For use in the home and garden - self-cleaning design Scope of supply: Internal Optimax-Pro (self cleaning) filter Inflow stilling system for controlling the water inflow Overflow siphon with rodent guard function Spannfix pipe connection sleeve The self-cleaning Optimax-Pro Filter can be integrated into the basic Carat tank. The system is convenient and low maintenance with a self-cleaning filter enabling up to 95 % water yield. Tank and filter overflow are connected to the sewer network. Pump system for the Garden Package Improved operating convenience through automatic pump control. Submersible or dry mounted suction pump Integra-Duo 1110 Floating water extraction unit Water hose connection box 10 m pressure hose (not shown) Pump system for the Home Package The good value complete solution. Pump and control unit with auto switch over to mains Wall duct DN 100 Floating water extraction unit PE suction pipe 1 m (not shown) 6

7 Rainwater underground tank Rondus The all-rounder - can be completely installed in groundwater The Rondus underground tank is stable due to its unique shape. It can be completely installed in groundwater and in cohesive soil (e.g. loam). The tank can be used as part of the Home or Garden package instead of the Carat tank. Capacity/ltr. Rondus rainwater underground tank Suitable for vehicle loading (without tank cover),000,000 Increased capacity can be achieved by multiple tanks Rondus rainwater underground tank Lorry-bearing (without tank cover) Rondus Filter package external Universal-Filter Inflow stilling system for controlling the water inflow Overflow siphon, small rodent guard Optional anti-buoyancy measure for groundwater installations - Geotextil membrane Capacity/ltr.,000 Increased capacity can be achieved by multiple tanks Telescopic dome shaft The lid can also be tilted by up to 5 ensuring it can be adjusted to fit smoothly into the landscape reducing its visual impact. Buoyancy control min. 80 cm Cast iron cover for vehicle loading available Rondus,000 ltr. 190 mm Rondus,000 ltr. 880 mm 180 mm 80 mm Ø 650 mm inside 010 mm 180 mm 500 mm Ø 650 mm inside 80 mm Weight: 10 kg Weight: CAR 150 kg HGV 190 kg 7

8 Herkules-Tank For overground and underground installation The Herkules tank is versatile and can be fitted above ground, below ground or in a cellar Due to its strong design and the reinforced material, the tank can be safely installed in areas of high groundwater, provided the appropriate installation instructions are strictly followed. Patent no. in Europe and USA no ,600 ltr. Technical data Capacity : Min Ø: Max Ø: Height: Material: Weight: Connections: 1,600 L 1,090 mm 1,50 mm 1,600 mm reinforced Polypropylene (UV stable and 100% recyclable) approx. 60 kgs each x DN 70, DN 100 and DN 00 for standard pipe N.B. Protect tanks from frost when installed above ground Sample illustration for Herkules Garden use Underground duct for water delivery to hose box, and for cables to house 8 5 Tank overflow pipe to drain or percolation area Rainwater falls down the eaves gutter and is filtered by the external filter Clean rainwater is collected in the Herkules-Tank The tank volume can be increased by using extension sets Water is pumped from the tank to the garden hose connection box Support pipe provide stability for underground installation The Tank dome enable easy access to the tank Garden hose connection box for garden irrigation Delivery hose conducts water to the garden hose connection box 8

9 Tank Size Calculation ypical 1. Annual installations rainwater yield: for our commercial rainwater harvesting system Annual precipation value l/m x Projected roof area m x roof type correction factor = Rainwater yield l/year Roof area including any Clay tiles, fired, glazed: 0.9 projections (independent Slate, concrete, clay files: 0.8 of roof type/slope) Flat roofd with gravel: 0.6. Annual rainwater dema Toilets, per person, per year ltr x number of occupants = Laundry, per person, per year 700 ltr x number of occupants = Cleaning, per person, per year 800 ltr x number of occupants = Garden, per m 60 ltr x cultivated garden area m =. Tank size: Rainwater yield l/year + Total demand x 1 days (safety reserve) 65 days = Litre storage volume Total Demand Example Roof size: 100 m Occupants: Calculation: Area: Portsmouth Roof type : clay tiles Annual precipation value 750 x Projected roof area 100 x roof type 0.9 = Rainwater yield l/year 67,500 Annual rainwater demand: Toilets, per person, per year ltr x number of occupants = 7,00 Laundry, per person, per 700 ltr x number of occupants = 1,800 year Cleaning, per person, per 800 ltr x number of occupants = 00 year Garden, per m 60 ltr x cultivated garden area m 0 = 100 Total Demand = 66,00 TANK SIZE: 67, ,00 1 days (safety reserve) x 65 days = 85 10

10 Commercial Rainwater Harvesting Our Commercial Rainwater Harvesting System is ideal for a wide range of businesses, whether commercial or industrial. The main benefits are: - The harvested water can be used for toilet flushing, laundry, general cleaning, washing cars and watering plants. Not to be used in applications where the water is used for human consumption such as drinking and food preparation. - Helps alliviate flood risks by collecting excess water - Provides a source of usable water during periods of lower rainfall The Enhanced Capital Allowance (ECA) scheme has now been accredited to WPL s new commercial rainwater harvesting system the Eco Range. The ECA has been accredited to the WPL Eco Range by The Carbon Trust on behalf of the government. The Carbon Trust is a private company set up by the government to promote solutions tackling climate change. Typical applications include - Hotels - Pubs - Zoos - Marinas - Offices - Schools - Hospitals - Factories - Supermarkets - Universities - Industrial Buildings - large domestic applications...and more The ECA scheme allows businesses to claim 100% first year tax relief on their qualifying capital expenditure. Businesses can write off the whole of the capital cost of their investment against their taxable profits of the period during which they make the investment (for further information please visit Water is an increasingly expensive resource with mains, sewerage and trade effluent charges all rising. Reducing your water consumption is one of the easiest and most inexpensive ways to achieve cost savings - just taking simple measures can cut figures by 50%. (Envirowise 11

11 WPL Commercial Eco Range Benefits - Fully packaged automatic system - Features the latest in low noise self-priming pumps - All units come with direct feed, duty assist and duty standby as standard - Floating suction pump with a micro filter suspended beneath the surface to ensure the water taken is at the optimum level of cleanliness. - Full design and advisory service available & bespoke systems available for special requirements - Tank range approved for the ECA includes 5m, 50m, 60m and 70m - Internal and external filters are are available for roof size from 00 m to 1500 m - Easily accessible out of tank filters resulting in no confined space entry required for service and maintenance Carat Tank - used for applications up to 1,000l Commercial Tank - used for applications Pump and controls come in two sizes: from 1,000l to 00,000l Eco 150 Eco 00 Cellar tank Manufactured black polyethylene, thick walled, impact-resistant and weather proof. It can be extended in series - with steel tape bindings creating an above ground space-saving format. Capacity 1,700 l Standard equipment: galvanised steel tape bindings, 1 manhole dome with cover Ø 50 mm 1 inflow DN overflow DN 100 connectors DN 100 (1 x right and 1 x left) Bespoke systems available for special requirements or application over 00,000L storage requirment 1

12 WPL Limited Units 1 & Aston Road Waterlooville Hampshire PO7 7UX United Kingdom Tel: (+) Fax: (+) enquiries@wpl.co.uk WPL Ltd - Environmental Wastewater Solutions WPL provide innovative and reliable wastewater treatment, rainwater harvesting and grease management systems. WPL supply products for domestic, commercial and industrial markets as well as holding a prominent position as a supplier to the water utilities. As an internationally recognised leader in the design, manufacture and supply of both standardised, and bespoke environmental solutions, WPL is dedicated to ensure the provision of high quality products and services. Highly qualified staff guide the customers through the purchasing process and offer strong after sales support, providing them with a fully satisfactory buying experience. WPL rigorously fulfils its vision of protecting the environment by delivering reliable wastewater solutions. A strong focus on quality and compliance ensures that all wastewater treatment systems are designed to work within the guidelines of the British Water Code of Practice and exceed all present and proposed discharge consent standards enforced by the Environment Agency, SEPA and other European regulatory authorities. WPL Limited registered in England & Wales NI 5811 VAT No WPL Limited has a policy of continual product development and the above information may be subject to change without notice. WPL Limited are fully compliant with the British Water Code of Practice.