Contents

Foreword

Introduction

Guidelines for users

Workshop: tools, equipment, materials

Hydram construction materials

Sample worksheet for final materials list

Suggested schedule for hydram workshop

Construction of a PVC hydram time: 4-5 hours (for demonstration purposes)

1. Attachment A : PVC Hydram - illustration

Session 1: Introduction to training (1½ hours)

Handout 1A: "What's in a name"

Handout 1B: Hydram Training Workshop Objectives

Session 2: Introduction to hydrams (3½ hours)

Handout 2A: Potential energy

Handout 2B: Hydram installation

Handout 2C: Typical hydram

Handout 2D: Glossary of terms for session 2

Handout 2E: Hydram training workshop participant site information

Session 3: Water measurement techniques (3 hours)

Handout 3A: Using a Weir

Handout 3B: Using a Weir - diagram

Handout 3C: Weir table

Handout 3C: Weir table - metric

Handout 3D: The float method of measurement

Session 4: Measuring heads and distance (2-4 hours)

Handout 4A: Calibrating a sight level

Handout 4B: Using a sight level

Handout 4C: Alternate ways of measuring heads

Handout 4D: Alternate ways of measuring heads

Handout 4E: Distance and head measurement worksheet

Session 5: Review exercise #1 (2 hours)

Handout 5A: Review exercise #1

Handout 5B: Answers to review exercise #1

Session 6: Hydram theory (2-3 hour)

Handout 6A: Pressure analysis

Handout 6B: Glossary of terms for session 6

Handout 2B: Hydram installation

Session 7: Basic plumbing tools and materials (1-1½ hours)

Handout 7A: Typical fittings

Session 8: Hydram construction - Pipefitting (4 - 6 hours)

Handout 8A: Pipefitting hydram w/ Modified factory valves

Handout 8B: Pipefitting hydram w/ Field-made valves

Handout 8C: Materials and procedures: fabricated ram

Session 9: Hydram design theory and parameters (2 hours)

Handout 10B: Thickness of the impulse valve plate - inches

Handout 10B: Thickness of the impulse valve plate - metric

Handout 10C: Impulse valve steel backing

Handout 10C: Impulse valve steel backing - metric

Handout 10D: Impulse valve seat width - inches

Handout 10D: Impulse valve seat width - metric

Handout 10E: Check valve backing thickness - inches

Handout 10E: Check valve backing thickness - metric

Handout 10F: Check valve seat width - inches

Handout 10F: Check valve seat width - metric

Handout 9A-1: Welded hydram: side view

Handout 9A-2: Welded hydram: exploded view

Handout 9A-3: Welded hydram: impulse cavity exploded view

Handout 9A-4: Welded hydram: accumulator: exploded view

Handout 9A-5: Welded hydram 20' drive head dimensions

Handout 9A-7: Welded hydram 20' drive head dimensions

Session 10: Hydram construction - concrete (18 hours over a 7 day period)

Handout 10A: Concrete hydram design parameters

Handout 10B: Thickness of the impulse valve plate - inches

Handout 10B: Thickness of the impulse valve plate - metric

Handout 10C: Impulse valve steel backing - inches

Handout 10C: Impulse valve steel backing - metric

Handout 10D: Impulse valve seat width - inches

Handout 10D: Impulse valve seat width - metric

Handout 10E: Check valve backing thickness - inches

Handout 10E: Check valve backing thickness - metric

Handout 10F: Check valve seat width - inches

Handout 10F: Check valve seat width - metric

Handout 10H: Exploded view of 2- piece concrete hydram

Handout 10I: Side view 2-piece concrete hydram

Handout 10J: Two piece concrete hydram form

Handout 10K: Two piece concrete hydram

Handout 10L: One Piece Concrete Hydram Form

Handout 10M: Problem

Handout 10N: Materials and procedures

Session 11: Hydram component design criteria (1-1½ hours)

Handout 11A: Typical impulse valve

Handout 11B: Typical check valves

Handout 11C: Typical snifters

Session 12: Hydram selection (1½ - 3 hours)

Handout 12A - Hydram comparison

Session 13: Inter-relationships within the hydram (11-15 hours)

Handout 13A: Exercises: Determining the effect of:

1. Exercise 1: h:H ratio on efficiency

2. Exercise 2: Frequency on the maximum delivery head to drive head ratio

3. Exercise 3: Frequency on efficiency, quantity of water entering the hydram and quantity of water delivered

4. Exercise 4: Volume of air in the accumulator on efficiency

5. Exercise 5: Drive pipe length on efficiency

6. Exercise 6: Drive pipe diameter on efficiency

7. Exercise 7: The snifter on efficiency

8. Exercise 8: Effect of the drive material on efficiency

Handout 13B: Typical hydram experiment set-up

Handout 13C: Sample graphs

Session 14: Repair and maintenance (2-4 hours)

Handout 14A: Repair and maintenance chart

Handout 14 B: Repair and maintenance worksheet

Handout 14 C: Maintenance/service worksheet

Session 15: Review exercise #2 (2 hours)

Handout 15A: Review exercise

Session 16: Use of multiple rams (1½ hours)

Handout 16A: Series hydram installation

Handout 16B: Waste water series hydram installation

Handout 16C: Parallel hydrams

Handout 16D: Sample problems

Session 17: Site development (2 hours)

Handout 17A: Settling area - take-off system

Handout 17B: Hydram box

Handout 17C: Guidelines/checklist

Handout 17D: Site development

Handout 17E: Glossary of terms

Session 18: Hydram system site selection (2-4 hours)

Handout 18A: Hydram system site selection

Handout 18B: Diagram system for site selection

Session 19: Project planning (2-4 hours)

Session 20: Wrap up and evaluation (2-4 hours)

Glossary of terms

English-metric units conversion table

References

Attachments

Attachment 1-A

Attachment 1-B

Attachment 2-A

Attachment 2-B

Attachment 2-C

Attachment 2-D

Attachment 2-E

Attachment 3-A

Attachment 3-B

Attachment 3-C

Attachment 3-C - metric

Attachment 3-D

Attachment 4-A

Attachment 4-B

Attachment 4-C

Attachment 4-D

Attachment 5-A

Attachment 5-B

Attachment 6-A

Attachment 6-B

Attachment 2-B

Attachment 7-A

Attachment 8-A

Attachment 8-B

Attachment 8-C

Attachment 10-B

Attachment 10B - metric

Attachment 10-C

Attachment 10-C - metric

Attachment 10-D

Attachment 10-D - metric

Attachment 10-E

Attachment 10-E - metric

Attachment 10-F

Attachment 10-F - metric

Attachment 9-A-1

Attachment 9-A-2

Attachment 9-A-3

Attachment 9-A-4

Attachment 9-A-5

Attachment 9-A-7

Attachment 10-A

Attachment 10-H

Attachment 10-I

Attachment 10-J

Attachment 10-L

Attachment 10-M

Attachment 10-N

Attachment 11-A

Attachment 11-B

Attachment 11-C

Attachment 12-A

Attachment 13-A

Attachment 13-B

Attachment 13-C

Attachment 14-A

Attachment 14-B

Attachment 14-C

Attachment 15-A

Attachment 16-A

Attachment 16-B

Attachment 16-C

Attachment 16-D

Attachment 17-A

Attachment 17-B

Attachment 17-C

Attachment 17-D

Attachment 17-E

Attachment 18-A

Attachment 18-B

Attachment - Glossary of terms

Attachment - English-metric units conversion table