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close this book Water purification, distribution and sewage disposal for Peace Corps volunteers
close this folder Section 6: Operation and maintenance
View the document Overview:
View the document Water source maintenance and inspection
View the document Regulations for installing new service connections or extensions to existing system.
View the document Regulations for cleaning the distributions system
View the document Inventorying for operation in emergencies
View the document Types of financial statements for small waterworks
View the document Lesson plans

Lesson plans

OPERATION AND MAINTENANCE

LESSON NO. 1

LESSON OBJECTIVE: To outline rules that must be observed by operators and maintenance men and devise laws safeguard facilities from trespassers.

TOPIC

INSTRUCTIONAL PROCEDURE

SUPPLEMENTAL MATERIALS/RELATED READING

Rules for efficient maintenance and operation of water facilities.

Discuss need for water inspection

Tour nearby pumping stations, treatment and storage facilities.

Nearby water supply system.

 

Discuss in class how the stations you toured meet these standards.

Section on sanitary standards of water at the source

Protection of facilities from trespassers

Discuss in class the possible (and probable) risks of unrestricted public access to supply facilities.

 

 

OPERATION AND MAINTENANCE

LESSON NO. 2

LESSON OBJECTIVE: To simplify operational and service instructions so that efficient job be done by a relatively inexperienced man.

TOPIC

INSTRUCTIONAL PROCEDURE

SUPPLEMENTAL MATERIALS/RELATED READING

Need for simplifying technical instructions.

Discuss in class the difficulty of finding skilled labor in developing countries.

WHO Monograph, Series #42

Chapter 9.

How to simplify technical instructions.

Lecture on how to simplify technical materials.

 
 

Demonstrate how to label instructional procedures on a machine.

 

Exercise

For exercise, give out a sample of manufacturers' instructions to operation of a pump.

Copies of operators' manual for hand-pump installation if available (relevant substitutes if necessary).

 

Let students simplify it.

 

OPERATION AND MAINTENANCE

LESSON NO. 3

LESSON OBJECTIVE: To prepare a record keeping chart for repairs, set limits to repairs that can be done by the operator and recommend who to contact for mayor repairs.

TOPIC

INSTRUCTIONAL PROCEDURE

SUPPLEMENTAL MATERIALS/RELATED READING

Capability of the operator.

Discuss in class how to determine the capability of an operator by serviceman.

 
 

Ask Students to dray up criteria for assessing the operators' capability with respect to the structure of the system.

 

 

OPERATION AND MAINTENANCE

LESSON NO. 4

LESSON OBJECTIVE: To draw a detailed map of the distribution systems, specifying regulations for installing new service connections and cleaning procedures.

TOPIC

INSTRUCTIONAL PROCEDURE

SUPPLEMENTAL MATERIALS/RELATED READING

Record Keeping

Discuss in class the frustrations of "lost" systems.

Water Supply for Rural Areas and Small

Communities , pp. 244-5

(WHO Monograph Series No. 42. Geneva 1959.)

 

Review section on residual pressure in service connections.

 

Extension of Distribution Systems

Review the characteristics of dead-end systems

Annex 9, p. 316 in same book above.

 

Relate them to the importance of regular flushing of the systems.

 

 

OPERATION AND MAINTENANCE

LESSON NO. 5

LESSON OBJECTIVE: To design a system of building up an inventory and emergency precautions.

TOPIC

INSTRUCTIONAL PROCEDURE

SUPPLEMENTAL MATERIALS/RELATED READING

Inventorying

Discuss in class the advantages of long term planning in building up a stock of inventory.

 

Minimum Required Stock of Spares

Ask students to name what parts of engines require replacements.

 
 

Draw up the minimum required stock of spares.

 

Exercise

For exercise let students determine the minimum stocks for fuels (diesel or petrol) to be recommended for small engines.

Specify engine capacity for each student; e. 1 hp, 10 hp., etc.

Tool Back

Demonstrate how to design a good tool rack suitable for use in small pump houses.

 

Fire-fighting

In the field demonstrate how to use various fire extinguishers and conduct a fire fighting drill.

 

First Aid

Demonstrate how to use first-aid kit.

 

OPERATION AND MAINTENANCE

LESSON NO. 6

LESSONS OBJECTIVE: To prepare a procedure for systematic records of financial transactions.

TOPIC

INSTRUCTIONAL PROCEDURE

SUPPLEMENTAL MATERIALS/RELATED READING

Financial Report

Discuss in class the importance of proper financial report as a vital part of good management.