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close this book A training manual in conducting a workshop in the design, construction, operation, maintenance and repair of hydrams
close this folder Guidelines for users
View the document Workshop: tools, equipment, materials
View the document Hydram construction materials
View the document Sample worksheet for final materials list
View the document Suggested schedule for hydram workshop
Open this folder and view contents Construction of a PVC hydram time: 4-5 hours (for demonstration purposes)

Hydram construction materials

The specific construction materials vary, and there is a range of possible adaptations and variations. At a general level, we need to know what typical sizes of standard pipe and pipefittings are available and approximately what they cost.

Please indicate: (yes or no) if the parts are generally available, i.e., one could find them readily in a plumbing supply/hardware store; if they can be specially ordered, how much time is required; approximate unit cost for-the following:

PART

SIZE (DIAM)

GEN'LLY AVAILABLE

SPECIAL ORDER TIME

APPROX. COST

Steel pipe, standard 3/4" length _ in/cm.

3/4"

     

1"

     

2"

     

Pipe Tees *

3/4"

     

1"

     

2"

     

3"

     

Reducing Bushings *

2"x 1"

     

2"x 3/4

     

Sweep - 90°

1"

     

Sweep - 45°

1"

     

Female adapters

3/4"

     

1"

     

Male adapters 3/4"

3/4"

     

1"

     


* Pipe Tees


*Reducing Bushings

PART

SIZE (DIAM)

GEN'LLY AVAILABLE

SPECIAL ORDER TIME

APPROX COST

Clear PVC pipe

3"

     

PVC cap

3 "

     

Gate valve

½"

     

Foot valve

2"

     

Check valve

1"

     

A cement ram can also be made, reducing the need for many of the above parts, so please indicate approximate cost of cement:

$

lbs.

This list is by no means all inclusive but represents key items. Detailed parts lists will be developed prior to the workshop.