Apresentação do Projeto na Ilha Das Peças
Transcript of Apresentação do Projeto na Ilha Das Peças
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University of MarylandIlha Das Peças
Brazil
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Ilha das Peças, Brazil
• Location: Ilha das Peças, Brazil
• EWB-UMCP 4 trips to the island, 2 projects implemented
• Current project: Supplement potable and non-potable water to local school 1
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Past Projects
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30,000 L Reservoir
Constructed Wetland
Septic System
Grease Trap
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Current Problems
• Ground Water Contamination
• Shortage of water disrupts the
operation of the local school
• No water, dry CWT 3
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Local School
• Two teachers: Fernando and Adriana
• 120 Students• Receives insufficient
potable water
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Existing Infrastructure
• Two existing tanks• Large• Small in attic
• Municipal water supplied to large tank
• Pump in kitchen transfer water from large tank to small tank in attic
• Water gravity fed to existing toilets, sink, water fountain and kitchen
Large Tank
Kitchen
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Front view
Back view
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Existing Infrastructure
Municipal water supplies kitchen, bathrooms, and fountain with potable water
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Existing Piping in School
Existing Attic Tank
Existing Sink and Fountain
Existing Bathrooms
Existing Kitchen Sink
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Proposed Addition to System
• Potable water physically separated from non potable water
• Piping in school changed• Controllable loop reverts back to original
water flow
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Existing Attic Tank for Potable Water
Potable Tank Overflow
Non-Potable Tank Overflow
Proposed Attic Tank for Non-Potable Water
Proposed Piping for Non-Potable Water
Water Direction can be Reverted
Existing Large Tank
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Proposed System
Potable Water
Non Potable Water
• Increase water supply with rain water• Purify potable water• Reduce potable water demand with non-potable water source• Separate potable/non-potable systems
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500 L Attic tank 500 L Attic tank
New Pump
Well Head
Overflow
Physical Separation Between Water Systems
Constructed Wetlands
Overflow
Municipal Water Source
Large Tank
RoofGutters
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Potable Water
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Potable Water – First Flush
• 500 Liter First Flush Tank• 1.3 mm First Flush• 71 % Contamination
Removal• Flow controlled by float
valves
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Potable Water – Water Preference
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Potable Water – DisinfectionEPA Purification Requirements for Surface
WaterViruses 99.99% Removal
Bacteria 99.9% Removal
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Main Stora
ge Tank
Point of Use Sterilization
Potable Water - Disinfection
Pentek 5 Micron
Sediment Filter
Pentek 0.5 Micron
Carbon Block Filter
Filtros & Filtros UV
Purifier
Pre-Storage Filtration
Potable Water Attic
Tank
Sinks and
Drinking
Fountain
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Proposed System
Potable Water
Non Potable Water
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500 L Attic tank 500 L Attic tank
New Pump
Well Head
Overflow
Physical Separation Between Water Systems
Constructed Wetlands
Overflow
Municipal Water Source
Large Tank
RoofGutters
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Non-Potable Water
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New 500 L Attic tank
Pump Controller
New Pump
Well Head
Overflow
New Attic TankValve
Coupling
Constructed Wetlands
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Non-Potable Water – Drilling WellMadalena, Community Well Builder
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Non-Potable WaterConstruction Process – Jetting:
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Non-Potable WaterProposed Well Design
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300 ft.
Pump
Geotextile
Sand
Check Valve
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Non-Potable Water
1 1.5 2 2.5 3 3.5 4 4.5 5 5.50
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Dancor Serie AAE PumpDancor Serie AAEPolynomial (Dancor Serie AAE)System CurvePolynomial (System Curve)
Q (m^3/hr)
Head (m)
Operating point
4.2 m3/hr, Tank Fills in under 10 MinSufficient Net Positive suction
head to mitigate cavitation19
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Float Switch Fill Control System
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Float Switch Fill Control System
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Float Switch Fill Control System
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Float Switch Fill Control System
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Electrical and Control System
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Existing Breaker Box
Empty Breaker Slot
Breaker Box Located Behind Kitchen Door
Main Switch
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Summary
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• Implementation Dates: August 1st to August 18th
• 100% Materials Sourced in Country
• Material Transportation to be Provided by School
• Maintenance Fund Established by School
• Education and Training Plan to be Provided to School
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Thank You!
QUESTIONS?
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