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close this bookA Training Manual in Conducting a Workshop in the Design, Construction, Operation, Maintenance and Repair of Hydrams (Peace Corps, 1981, 216 p.)
View the document(introduction...)
View the documentForeword
View the documentIntroduction
close this folderGuidelines for users
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View the documentWorkshop: tools, equipment, materials
View the documentHydram construction materials
View the documentSample worksheet for final materials list
View the documentSuggested schedule for hydram workshop
close this folderConstruction of a PVC hydram time: 4-5 hours (for demonstration purposes)
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View the documentAttachment A : PVC Hydram - illustration
close this folderSession 1: Introduction to training (1½ hours)
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View the documentHandout 1A: “What's in a name”
View the documentHandout 1B: Hydram Training Workshop Objectives
close this folderSession 2: Introduction to hydrams (3½ hours)
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View the documentHandout 2A: Potential energy
View the documentHandout 2B: Hydram installation
View the documentHandout 2C: Typical hydram
View the documentHandout 2D: Glossary of terms for session 2
View the documentHandout 2E: Hydram training workshop participant site information
close this folderSession 3: Water measurement techniques (3 hours)
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View the documentHandout 3A: Using a Weir
View the documentHandout 3B: Using a Weir - diagram
View the documentHandout 3C: Weir table
View the documentHandout 3C: Weir table - metric
View the documentHandout 3D: The float method of measurement
close this folderSession 4: Measuring heads and distance (2-4 hours)
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View the documentHandout 4A: Calibrating a sight level
View the documentHandout 4B: Using a sight level
View the documentHandout 4C: Alternate ways of measuring heads
View the documentHandout 4D: Alternate ways of measuring heads
View the documentHandout 4E: Distance and head measurement worksheet
close this folderSession 5: Review exercise #1 (2 hours)
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View the documentHandout 5A: Review exercise #1
View the documentHandout 5B: Answers to review exercise #1
close this folderSession 6: Hydram theory (2-3 hour)
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View the documentHandout 6A: Pressure analysis
View the documentHandout 6B: Glossary of terms for session 6
View the documentHandout 2B: Hydram installation
close this folderSession 7: Basic plumbing tools and materials (1-1½ hours)
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View the documentHandout 7A: Typical fittings
close this folderSession 8: Hydram construction - Pipefitting (4 - 6 hours)
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View the documentHandout 8A: Pipefitting hydram w/ Modified factory valves
View the documentHandout 8B: Pipefitting hydram w/ Field-made valves
View the documentHandout 8C: Materials and procedures: fabricated ram
close this folderSession 9: Hydram design theory and parameters (2 hours)
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View the documentHandout 10B: Thickness of the impulse valve plate - inches
View the documentHandout 10B: Thickness of the impulse valve plate - metric
View the documentHandout 10C: Impulse valve steel backing
View the documentHandout 10C: Impulse valve steel backing - metric
View the documentHandout 10D: Impulse valve seat width - inches
View the documentHandout 10D: Impulse valve seat width - metric
View the documentHandout 10E: Check valve backing thickness - inches
View the documentHandout 10E: Check valve backing thickness - metric
View the documentHandout 10F: Check valve seat width - inches
View the documentHandout 10F: Check valve seat width - metric
View the documentHandout 9A-1: Welded hydram: side view
View the documentHandout 9A-2: Welded hydram: exploded view
View the documentHandout 9A-3: Welded hydram: impulse cavity exploded view
View the documentHandout 9A-4: Welded hydram: accumulator: exploded view
View the documentHandout 9A-5: Welded hydram 20' drive head dimensions
View the documentHandout 9A-7: Welded hydram 20' drive head dimensions
close this folderSession 10: Hydram construction - concrete (18 hours over a 7 day period)
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View the documentHandout 10A: Concrete hydram design parameters
View the documentHandout 10B: Thickness of the impulse valve plate - inches
View the documentHandout 10B: Thickness of the impulse valve plate - metric
View the documentHandout 10C: Impulse valve steel backing - inches
View the documentHandout 10C: Impulse valve steel backing - metric
View the documentHandout 10D: Impulse valve seat width - inches
View the documentHandout 10D: Impulse valve seat width - metric
View the documentHandout 10E: Check valve backing thickness - inches
View the documentHandout 10E: Check valve backing thickness - metric
View the documentHandout 10F: Check valve seat width - inches
View the documentHandout 10F: Check valve seat width - metric
View the documentHandout 10H: Exploded view of 2- piece concrete hydram
View the documentHandout 10I: Side view 2-piece concrete hydram
View the documentHandout 10J: Two piece concrete hydram form
View the documentHandout 10K: Two piece concrete hydram
View the documentHandout 10L: One Piece Concrete Hydram Form
View the documentHandout 10M: Problem
View the documentHandout 10N: Materials and procedures
close this folderSession 11: Hydram component design criteria (1-1½ hours)
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View the documentHandout 11A: Typical impulse valve
View the documentHandout 11B: Typical check valves
View the documentHandout 11C: Typical snifters
close this folderSession 12: Hydram selection (1½ - 3 hours)
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View the documentHandout 12A - Hydram comparison
close this folderSession 13: Inter-relationships within the hydram (11-15 hours)
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close this folderHandout 13A: Exercises: Determining the effect of:
View the documentExercise 1: h:H ratio on efficiency
View the documentExercise 2: Frequency on the maximum delivery head to drive head ratio
View the documentExercise 3: Frequency on efficiency, quantity of water entering the hydram and quantity of water delivered
View the documentExercise 4: Volume of air in the accumulator on efficiency
View the documentExercise 5: Drive pipe length on efficiency
View the documentExercise 6: Drive pipe diameter on efficiency
View the documentExercise 7: The snifter on efficiency
View the documentExercise 8: Effect of the drive material on efficiency
View the documentHandout 13B: Typical hydram experiment set-up
View the documentHandout 13C: Sample graphs
close this folderSession 14: Repair and maintenance (2-4 hours)
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View the documentHandout 14A: Repair and maintenance chart
View the documentHandout 14 B: Repair and maintenance worksheet
View the documentHandout 14 C: Maintenance/service worksheet
close this folderSession 15: Review exercise #2 (2 hours)
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View the documentHandout 15A: Review exercise
close this folderSession 16: Use of multiple rams (1½ hours)
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View the documentHandout 16A: Series hydram installation
View the documentHandout 16B: Waste water series hydram installation
View the documentHandout 16C: Parallel hydrams
View the documentHandout 16D: Sample problems
close this folderSession 17: Site development (2 hours)
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View the documentHandout 17A: Settling area - take-off system
View the documentHandout 17B: Hydram box
View the documentHandout 17C: Guidelines/checklist
View the documentHandout 17D: Site development
View the documentHandout 17E: Glossary of terms
close this folderSession 18: Hydram system site selection (2-4 hours)
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View the documentHandout 18A: Hydram system site selection
View the documentHandout 18B: Diagram system for site selection
View the documentSession 19: Project planning (2-4 hours)
View the documentSession 20: Wrap up and evaluation (2-4 hours)
View the documentGlossary of terms
View the documentEnglish-metric units conversion table
View the documentReferences
close this folderAttachments
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View the documentAttachment 18-A
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View the documentAttachment - Glossary of terms
View the documentAttachment - English-metric units conversion table