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close this bookOperation and Maintenance of Water and Sewerage Systems (Ministry of Water - Tanzania - Rwegarulila Water Resources Institute, 1999, 90 p.)
View the document(introduction...)
close this folderA. Maintenance of Water Supply Units Principles and General Procedures
View the document1. Introduction
View the document2. Operation and maintenance
View the document3. Inspections
View the document4. Inspections made before putting the unit into operation for first time
View the document5. Periodic inspections made normally without interrupting the operation
View the document6. Periodic inspections made by interrupting the operations
View the document7. Remedial measures
View the document8. Records
View the document9. Maintenance programmes
close this folderB. Operation and Maintenance in Tanzania
View the document1. What is operation and maintenance
View the document2. Constraints of operation and maintenance
View the document3. Strategies for operation and maintenance on sustainable basis
View the document4. Operational problems
close this folderC. General Guide Lines in Construction of Water Structure
View the document1. Intake structures
View the document2. Pumping stations
View the document3. Rising main
View the document4. Water treatment
View the document5. Gravity main
View the document6. Water tanks
View the document7. Distribution system
View the document8. The design of the sewerage system
close this folderD. Operation and Maintenance Tasks and Their Frequencies
View the document1. Water Supply
View the document2. Sanitation
close this folderANNEXES
View the document1. Class Test (in Swahili)
View the document2. Evaluation Form (in Swahili)
close this folder3. Group work - Operation and Maintenance of the following:
View the document- Intake structure
View the document- Pumping station
View the document- Water treatment unit
View the document- Water mains
View the document- Water tanks
View the document- Sewerage systems

7. Remedial measures

Remedial activities of maintenance include

1. Repair, replacement, etc., of parts which are damaged, worn or become obsolete;
2. Removal of unwanted external and internal waste build-up;
3. Application of protective paint;
4. Cleaning;
5. Disinfection; and
6. Public relations and education.

The details of the remedial measures should be laid down in writing. Some persons may be able to carry out the job without such written guidelines. What should be strived at is the cultivation of positive habits both during the training and the actual performance of duties. Only thus it will be possible to ensure that the maintenance work is carried out in a systematic manner.