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World Bank Technical Paper No. 389. By the International Commission on Irrigation and Drainage. This paper is the revised edition of Technical Paper No. 99, written in 1989. It provides the basis for the preparation of manuals necessary for managers and staffs to perform needed activities at the proper time. The guide provides a comprehensive list of issues that should be addressed in operation and maintenance manuals for irrigation and drainage systems, and a listing of published materials and working papers which will assist in the formulation of plans for operation and maintenance. The paper serves as a valuable tool to help improve the performance of irrigation and drainage systems and to assist managers in developing and improving effective organizations to serve water consumers better.
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Your warranty will cover any manufacturing defects which, if existing, will present themselves within this warranty period.
Your warranty will not cover normal wear and tear, faults caused by misuse, and accidents which cause damage or theft caused after delivery. Using the product in a way it is not designed for will void your warranty.
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