Step-by-step Biosand Filter Construction Guide Copy
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Step-by-Step BioSand Filter Construction Guide
For
EWB-UW Rwanda Group
Donate
www.ewbuw.org/donate
Project
Implementation Trip July 2007
Step-by-Step BioSand Filter Construction Guide Prepared for: EWB-UW Rwanda Group Prepared by: Jonathan Lee
January 19, 2008
EWB-UW Rwanda - www.ewbuw.org/donate
Page 1
Step-by-Step BioSand Filter Construction Guide
For
EWB-UW Rwanda Group
Donate
www.ewbuw.org/donate
Project
Implementation Trip July 2007
Shot 1: Location of drum purchase
Shot 2: Drum transportation to Hotel Castel
Shot 3: Drum transportation to Hotel Castel
Shot 4: Drum transportation to Hotel Castel
Shot 5: Drum transportation to Hotel Castel
Shot 6: Drum transportation to Hotel Castel
EWB-UW Rwanda - www.ewbuw.org/donate
Page 2
Step-by-Step BioSand Filter Construction Guide
For
EWB-UW Rwanda Group
Donate
www.ewbuw.org/donate
Project
Implementation Trip July 2007
Shot 7: Drum transportation to Hotel Castel
Shot 8: Arrival at Hotel Castel
Shot 9: Material transportation to Muramba
Shot 10: Remove the top of one of the drums for the diffusion plate.
Shot 11: Same as shot 5.
Shot 12: Drill holes into the top to allow for the diffusion of water.
EWB-UW Rwanda - www.ewbuw.org/donate
Page 3
Step-by-Step BioSand Filter Construction Guide
For
EWB-UW Rwanda Group
Donate
www.ewbuw.org/donate
Project
Implementation Trip July 2007
Shot 13: Cut three equal length pieces of PVC for supporting the diffusion plate.
Shot 14: Drill holes into the bottom PVC tube to allow water to flow out of the filter.
Shot 15: The vertical PVC tube and two PVC elbows.
Shot 16: The small PVC tube that mounts into the wall of the drum.
Shot 17: The final faucet has been glued.
Shot 18: The drum with only the faucet attached.
EWB-UW Rwanda - www.ewbuw.org/donate
Page 4
Step-by-Step BioSand Filter Construction Guide
For
EWB-UW Rwanda Group
Donate
www.ewbuw.org/donate
Project
Implementation Trip July 2007
Shot 19: Attach the bottom and vertical PVC tube with one elbow.
Shot 20: Close-up of the elbow attachment.
Shot 21: Use foam to block debris from entering the end of the tube.
Shot 22: The foam inside the tube.
Shot 23: A gravel base made to rest the plumbing.
Shot 24: Work on plumbing takes place at the filter’s final resting place.
EWB-UW Rwanda - www.ewbuw.org/donate
Page 5
Step-by-Step BioSand Filter Construction Guide
For
EWB-UW Rwanda Group
Donate
www.ewbuw.org/donate
Project
Implementation Trip July 2007
Shot 25: Work continues.
Shot 26: Work continues.
Shot 27: Additional gravel spread over the top of the plumbing.
Shot 28: Clean gravel carried to the filter.
Shot 29: Patrice (right) and vocational student work on the filter.
Shot 30: Base layer of gravel finished.
EWB-UW Rwanda - www.ewbuw.org/donate
Page 6
Step-by-Step BioSand Filter Construction Guide
For
EWB-UW Rwanda Group
Donate
www.ewbuw.org/donate
Project
Implementation Trip July 2007
Shot 31: Clean sand brought to the filter.
Shot 32: Sand is entered into the drum
Shot 33: A base of sand is formed over the gravel.
Shot 34: Sand base poured.
Shot 35: Light compaction of sand.
Shot 36: Diffusion plate PVC supports stand in the sand base.
EWB-UW Rwanda - www.ewbuw.org/donate
Page 7
Step-by-Step BioSand Filter Construction Guide
For
EWB-UW Rwanda Group
Donate
www.ewbuw.org/donate
Project
Implementation Trip July 2007
Shot 37: All three supports are positioned at equal height.
Shot 38: Onlookers are happy with their work.
Shot 39: More sand poured into filter.
Shot 40: Sand work continues.
Shot 41: Sand work continues
Shot 42: Filter is located near the Vocational School’s E. coli positive tap.
EWB-UW Rwanda - www.ewbuw.org/donate
Page 8
Step-by-Step BioSand Filter Construction Guide
For
EWB-UW Rwanda Group
Donate
www.ewbuw.org/donate
Project
Implementation Trip July 2007
Shot 43: Sand work continues.
Shot 44: Young Muramban curiously watches.
Shot 45: Sand lightly compacted.
Shot 46: Filter primed with water percolating through the diffusion plate.
Shot 47: Test run is a success!
Shot 48: Happy faces all around.
EWB-UW Rwanda - www.ewbuw.org/donate
Page 9
Step-by-Step BioSand Filter Construction Guide
For
EWB-UW Rwanda Group
Donate
www.ewbuw.org/donate
Project
Implementation Trip July 2007
Shot 49: Water table that will later make up the biological layer.
Shot 50: The diffusion plate unwinds on its supports.
Shot 51: A working filter.
Shot 52: Water flushed through the filter.
Shot 53: Discussion of maintenance, filter technology, and future construction.
Shot 54: Leaving a mark for the future.
EWB-UW Rwanda - www.ewbuw.org/donate
Page 10
For
EWB-UW Rwanda Group
Donate
www.ewbuw.org/donate
Project
Implementation Trip July 2007
Step-by-Step BioSand Filter Construction Guide Prepared for: EWB-UW Rwanda Group Prepared by: Jonathan Lee
January 19, 2008
EWB-UW Rwanda - www.ewbuw.org/donate
Page 1
Step-by-Step BioSand Filter Construction Guide
For
EWB-UW Rwanda Group
Donate
www.ewbuw.org/donate
Project
Implementation Trip July 2007
Shot 1: Location of drum purchase
Shot 2: Drum transportation to Hotel Castel
Shot 3: Drum transportation to Hotel Castel
Shot 4: Drum transportation to Hotel Castel
Shot 5: Drum transportation to Hotel Castel
Shot 6: Drum transportation to Hotel Castel
EWB-UW Rwanda - www.ewbuw.org/donate
Page 2
Step-by-Step BioSand Filter Construction Guide
For
EWB-UW Rwanda Group
Donate
www.ewbuw.org/donate
Project
Implementation Trip July 2007
Shot 7: Drum transportation to Hotel Castel
Shot 8: Arrival at Hotel Castel
Shot 9: Material transportation to Muramba
Shot 10: Remove the top of one of the drums for the diffusion plate.
Shot 11: Same as shot 5.
Shot 12: Drill holes into the top to allow for the diffusion of water.
EWB-UW Rwanda - www.ewbuw.org/donate
Page 3
Step-by-Step BioSand Filter Construction Guide
For
EWB-UW Rwanda Group
Donate
www.ewbuw.org/donate
Project
Implementation Trip July 2007
Shot 13: Cut three equal length pieces of PVC for supporting the diffusion plate.
Shot 14: Drill holes into the bottom PVC tube to allow water to flow out of the filter.
Shot 15: The vertical PVC tube and two PVC elbows.
Shot 16: The small PVC tube that mounts into the wall of the drum.
Shot 17: The final faucet has been glued.
Shot 18: The drum with only the faucet attached.
EWB-UW Rwanda - www.ewbuw.org/donate
Page 4
Step-by-Step BioSand Filter Construction Guide
For
EWB-UW Rwanda Group
Donate
www.ewbuw.org/donate
Project
Implementation Trip July 2007
Shot 19: Attach the bottom and vertical PVC tube with one elbow.
Shot 20: Close-up of the elbow attachment.
Shot 21: Use foam to block debris from entering the end of the tube.
Shot 22: The foam inside the tube.
Shot 23: A gravel base made to rest the plumbing.
Shot 24: Work on plumbing takes place at the filter’s final resting place.
EWB-UW Rwanda - www.ewbuw.org/donate
Page 5
Step-by-Step BioSand Filter Construction Guide
For
EWB-UW Rwanda Group
Donate
www.ewbuw.org/donate
Project
Implementation Trip July 2007
Shot 25: Work continues.
Shot 26: Work continues.
Shot 27: Additional gravel spread over the top of the plumbing.
Shot 28: Clean gravel carried to the filter.
Shot 29: Patrice (right) and vocational student work on the filter.
Shot 30: Base layer of gravel finished.
EWB-UW Rwanda - www.ewbuw.org/donate
Page 6
Step-by-Step BioSand Filter Construction Guide
For
EWB-UW Rwanda Group
Donate
www.ewbuw.org/donate
Project
Implementation Trip July 2007
Shot 31: Clean sand brought to the filter.
Shot 32: Sand is entered into the drum
Shot 33: A base of sand is formed over the gravel.
Shot 34: Sand base poured.
Shot 35: Light compaction of sand.
Shot 36: Diffusion plate PVC supports stand in the sand base.
EWB-UW Rwanda - www.ewbuw.org/donate
Page 7
Step-by-Step BioSand Filter Construction Guide
For
EWB-UW Rwanda Group
Donate
www.ewbuw.org/donate
Project
Implementation Trip July 2007
Shot 37: All three supports are positioned at equal height.
Shot 38: Onlookers are happy with their work.
Shot 39: More sand poured into filter.
Shot 40: Sand work continues.
Shot 41: Sand work continues
Shot 42: Filter is located near the Vocational School’s E. coli positive tap.
EWB-UW Rwanda - www.ewbuw.org/donate
Page 8
Step-by-Step BioSand Filter Construction Guide
For
EWB-UW Rwanda Group
Donate
www.ewbuw.org/donate
Project
Implementation Trip July 2007
Shot 43: Sand work continues.
Shot 44: Young Muramban curiously watches.
Shot 45: Sand lightly compacted.
Shot 46: Filter primed with water percolating through the diffusion plate.
Shot 47: Test run is a success!
Shot 48: Happy faces all around.
EWB-UW Rwanda - www.ewbuw.org/donate
Page 9
Step-by-Step BioSand Filter Construction Guide
For
EWB-UW Rwanda Group
Donate
www.ewbuw.org/donate
Project
Implementation Trip July 2007
Shot 49: Water table that will later make up the biological layer.
Shot 50: The diffusion plate unwinds on its supports.
Shot 51: A working filter.
Shot 52: Water flushed through the filter.
Shot 53: Discussion of maintenance, filter technology, and future construction.
Shot 54: Leaving a mark for the future.
EWB-UW Rwanda - www.ewbuw.org/donate
Page 10
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