HARVESTED RAINWATER POST FILTRATION & UV DISINFECTION OPTIONS 0.50 L/s 1.40 L/s Automatic Post Filtration BWT Infinity A DIN 20mm.972 L/s DIN 25mm 1.250 L/s DIN 32mm 1.388 L/s Install one or two BWT Infinity A automatic backwash filter DIN.. Electronic timer with hour-day-week-month settings depending on the quality of the water, 90 micron anti-scale screen and associated connection module with male/male threaded unions. Each filter is capable of handling a peak demand flow rate of..l/s (Refer above) * Install isolation valves each side of the filters * Tundish to floor-waste or stormwater * 240V 10Amp Gpo within 1 meter of the installed filters above the splash Line of the tundish * Install in a plant room or under all weather sun-proof, vandal-proof, well 1
Final bag filtration 1, 5, 10, 25, 50 microns 0.50L/s 1.40 L/s Install (2) two WFC X100B-FSIX100 polypropylene bag filter housing with legs; 2 inlet / outlet ports Supply only: (4) four WFCBPONG25X01-25 micron nominal polypropylene filter bags with polytec seal (two are spares) Install on a manifold in parallel Isolation valves each of the installed bag filter housings Pressure gauges each side of the filter housings Floor waste in vicinity of housing with fall to drain housings during filter bag change (Refer to attached installation & technical data) 2
BWT UV disinfection systems where water will come in contact with humans Rainwater UV disinfection systems 0.50 L/s 1.50 L/s Install: (1) one or two BWT Bewades 80W80/11 LC 316 S/S ultra violet disinfection systems with inbuilt agitators to minimise soiling of the quartz sleeve. Technical data: Nominal connection width DIN 32mm Max vol. flow 400 J/m2 at T 100 = 70% transmission 4.50M 3 h Max op pressure 10 bar Min/Max ambient water temp. 5/40 0 C Emitter power W 80 Power 230/50 V/Hz Degree of protection IP 54 UV chamber 316 Ti S/S BMS connections for power & lamp failure Yes Inbuilt turbulators for agitation and even flow of water Yes Isolation valves each side of the install UV chamber Bypass valve & associated pipe-work if 1 system is installed otherwise a second unit in parallel acts as duty standby 240V 15 Amp Gpo with 1 meter of the installed UV system Fall to floor-waste in vicinity of UV chamber to drain during service Install in plant room or under all weather, sun-proof, vandal-proof well 3
HARVESTED RAINWATER POST & FINAL FILTRATION & UV DISINFECTION OPTIONS 2.50 L/s 3.05 L/s Automatic Post Filtration BWT Infinity A DIN 40mm 2.50 L/s DIN 50mm 3.05 L/s Install one or two BWT Infinity A automatic backwash filter DIN. Electronic timer with hour-day-week-month settings depending on the quality of the water, 90 micron anti-scale screen and associated connection module with male/male threaded unions. Each filter is capable of handling a peak demand flow rate of.l/s (Refer above) M * Install isolation valves each side of the filters * Tundish to floor-waste or stormwater * 240V 10Amp Gpo within 1 meter of the installed filters above the splash Line of the tundish * Install in a plant room or under all weather sun-proof, vandal-proof, well 4
Final bag filtration 1, 5, 10, 25, 50 microns 2.50L/s 3.05 L/s Install (2) two WFC X100B-FSIX100 polypropylene bag filter housing with legs; 2 inlet / outlet ports Supply only: (4) four WFC25X01-25 micron nominal polypropylene filter bags with polytec seal (two are spares) Install on a manifold in parallel Isolation valves each of the installed bag filter housings Pressure gauges each side of the filter housings Floor waste in vicinity of housing with fall to drain housings during filter bag change (Refer to attached installation & technical data) 5
BWT UV disinfection systems (where rain-water is in contact with humans) 2.50L/s 3.05 L/s Install: two BWT Bewades 100W100/11 LC 316 S/S ultra violet disinfection system on a manifold in parallel. Technical data: Nominal connection width DIN 50mm Max vol. flow 400 J/m2 at T 100 = 70% transmission 7.00M 3 h Max op pressure 10 bar Min/Max ambient water temp. 5/40 0 C Emitter power W 100 Power 230/50 V/Hz BMS connections for power & lamp failure Yes Inbuilt turbulators for agitation and even flow of water Yes Degree of protection IP 54 UV chamber 316 Ti S/S Isolation valves each side of the install UV chamber Bypass valve & associated pipe-work if 1 system is installed otherwise a second unit in parallel acts as duty standby 240V 15 Amp Gpo with 1 meter of the installed UV system Fall to floor-waste in vicinity of UV chamber to drain during service Install in plant room or under all weather, sun-proof, vandal-proof well 6
BWT UV disinfection systems (where rain-water is in contact with humans) 2.80L/s 5.50 L/s Install: (2) two BWT Bewades 200W200/11 LC 316 S/S ultra violet disinfection systems on a manifold in parallel Technical data: Nominal connection width DIN 50mm Max vol. flow 400 J/m2 at T 100 = 70% transmission 10.00M 3 h Max op pressure 10 bar Min/Max ambient water temp. 5/40 0 C Emitter power W 200 Power 230/50 V/Hz BMS connections for power & lamp failure Yes Inbuilt turbulators for agitation and even flow of water Yes Degree of protection IP 54 UV chamber 316 Ti S/S Install UV chambers on a manifold in parallel Isolation valves each side of the install UV chamber Bypass valve & associated pipe-work if 1 system is installed otherwise a second unit in parallel acts as duty standby 240V 15 Amp Gpo with 1 meter of the installed UV system Fall to floor-waste in vicinity of UV chamber to drain during service Install in plant room or under all weather, sun-proof, vandal-proof well 7
HARVESTED RAINWATER POST & FINAL FILTRATION & UV DISINFECTION OPTIONS 6.00 L/s 10.00 L/s BWT RF Multipur A DIN 65mm 6.00 L/s BWT RF Multipur A DIN 80mm 10.00 L/s * Install filters on a manifold in parallel * Isolation valves each side of the filters * Tundish to floor-waste or stormwater * 240V 10Amp Gpo within 1 meter of the installed filters above the splash Line of the tundish * Install in a plant room or under all weather sun-proof, vandal-proof, well (Refer attached installation & technical data) 8
Final bag filtration 1, 10, 25, 50 microns Duty 2.50 L/s 10.00 L/s Filter bag housings: Install: (2) two or three WFC BFS-2C 316-2-BSP-316L food quality stainless steel bag filter housings with band clamp closure, 2 BSP inlet/outlet ports that accept P2 size (7 OD x 32 long) filter bags. If flow rates are above 7.00 L/s consider a third or fourth system manifolded in parallel to share the load. Filter bags: Supply only: (4) four WFC BPG-25-2SS-25 micron nominal polypropylene P2 size filter bags with 316 stainless steel rings. (Two cartridges are spares) Install isolation valves each of the installed bag filter housings Install on a manifold in parallel Install Pressure gauges each side of the filter housings Install pressure differential switches across each housing with voltage free connections to BMS system to identify pressure due to blockages of the bag filters Floor waste in vicinity of housing with fall to drain housings during filter bag change 9
BWT UV disinfection systems (where rain-water is in contact with humans) 6.00 L/s 10.00 L/s Install (2) Two UV-disinfection units, manufacture BWT Type Bewades 240W80/22EU UV-disinfection units for microbiological control for drinking and process water - Suitable for wide transmission range (10-90% / 10 cm) - Optimum hydraulic design with Internal mixing devices for generation of turbulence for uniform UV-treatment and advanced disinfection performance - Power socket unit - Calibrated, UVC-selective high quality UV-sensor - Low-pressure UV-lamps with very long life time up to 14000 h - UV reaction chamber made of high grade stainless steel 316Ti - Integrated ballast unit - High quality quartz sleeves with expected life time of 3 years Microprocessor controlled unit "UV-Control II" with the following features: - measuring of radiation performance with digital display of UV intensity (% or W/mý) and 0/4.. 20 ma output for BMS - LED indication for power on, operation and failure - Hours run meter and counter for lamp activations - Supervision of each lamp with local and remote operation/failure indication and safety shut down - Adjustable warning and shut down threshold for low UV-intensity with local and remote alarm for BMS - Connection for external/remote control - Connections for: Shut-off valve Rinsing valve Thermostat Flow control device - Automatic rinsing can be initiated Time, temperature or flow controlled - Local and remote alarm (potential free contact) for failure indication available 10
Technical data: Connection width 80mm Nominal flow rate at transmission of 70 %/10 cm and UV-dose of 40 mws/cmý m3/h 22 (After 10000 h lamp life time) Nominal pressure max. bar 10 Water temperature min./max. øc. 5/30 Ambient temperature min./max.øc 5/40 Radiator performance W 200 Expect. Lamp life time h 12000-14000 UVC-performance W 63 Power supply V/Hz 230/50 Power consumption W approx 260 Number of radiators 3 Dimensions Width mm 219 Height mm 1165 * Free space above UV system for lamp replacement: mm 1000 11