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close this book Water purification, distribution and sewage disposal for Peace Corps volunteers
close this folder Section 9: Water carried sewage systems construction and maintenance
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View the document The septic tank
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View the document Lesson plans

Lesson plans

WATER-CARRIED SEWAGE SYSTEMS

CONSTRUCTION AND MAINTENANCE

LESSON NO. 1

LESSON OBJECTIVE: Outline the factors that must be considered in designing a water-carried sewage systems.

TOPIC

INSTRUCTIONAL PROCEDURE

SUPPLEMENTAL MATERIALS/ RELATED READING

System Location

Outline the factors that must be considered ; in the location of water-carried sewage systems.

 

The Percolation Test

Demonstrate digging a test hole with a hand held auger.

 
 

Supervise students in digging test holes for a percolation test.

 
 

Conduct a percolation test.

 

Selection of Disposal System

Review the factors that must be considered in determining the typo of facility to be implemented.

 

WATER-CARRIED SEWAGE SYSTEMS

CONSTRUCTION AND MAINTENANCE

LESSON NO. 2

LESSON OBJECTIVE: Set up and carry out a program to construct a water-carried sewage system.

TOPIC

INSTRUCTIONAL PROCEDURE

SUPPLEMENTAL MATERIALS/ RELATED READING

The Components of Water-Carried

Disposal Systems

Discuss the functions of the fundamental components of the seepage pit, cesspool and septic tank

Diagrams of these systems

WHO Monograph Series #39

Chapter 3.

 

Illustrate the and components for these systems

Manual of Septic Tank Practice, p. 9-38.

 

Outline the be of construction for these system

Constructing a Concrete (Technical Digest Survey)

System Selection

Assemble students to select the most feasible locations of these systems in a rural or village community.

 

Construction Techniques

Outline construction methods for septic tanks.

 
 

Set up a program (allocate construction tasks to the students) for the construction of a septic tank.

 
 

Supervise students in the construction of this septic tank.

 
     

 

WATER-CARRIED SEWAGE SYSTEMS

CONSTRUCTION AND MAINTENANCE

LESSON NO 3

LESSON OBJECTIVE: Define the need for and the methods of establishing a maintenance program for this system.

TOPIC

INSTRUCTIONAL PROCEDURE

SUPPLEMENTAL MATERIALS/ RELATED READING

Rules for Efficient Operation and Maintenance of Septic Tank Systems

Discuss the need for septic tank inspection.

 
 

Recall how often inspection should be carried out and what it should establish.

 
 

Discuss how to maintain a septic tank.

 
 

Visit a site where a septic tank is being desludged.

 

The Need for Simplifying Technical Materials

Discuss the difficulty of finding skilled labor in developing countries.

WHO Monograph Series #4

Chapter 9

 

Outline how to simplify instructional materials.