This publication contains guidance for the operation and maintenance of various types of water distribution system appurtenances. Discussed are valves and hydrants; flow, pressure and level sensors; transmission systems; indicators, registers and recorders; water meters, weirs and flumes; and backflow devices. Course Outline 1. VALVES AND HYDRANTS 2. INSTRUMENTATION AND CONTROLS (I&C), AND WATER METERS 3. CROSS-CONNECTION CONTROL AND BACKFLOW PREVENTION This is an introduction to the operation and maintenance of water distribution systems.

Learning Objectives

• Learn recommended operation and maintenance procedures and schedules for valves and fire hydrants;
• Learn about recommended operation and maintenance procedures and schedules for flow, pressure and level sensors;
• Learn the recommended operation and maintenance procedures and schedules for data transmission systems;
• Learn recommended operation and maintenance procedures and schedules for flow indicators, registers and recorders;
• Learn about recommended operation and maintenance procedures and schedules for water meters and other flow measuring devices;
• Learn the recommended operation and maintenance procedures and schedules for cross-connection control devices; and
• Learn about inspection of backflow devices.