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Cleaning: flushing, cable-attached devices, pigs and other fluid-propelled cleaning devices, and power boring devices.

Lining: cement-mortar lining, epoxy lining, conventional slip-lining, close-fit slip-lining, and cured-in-place lining techniques.

Replacment: Trenchless pipe replacement using pipe-bursting technology

This publication is the second edition of the American Water Works Association (AWWA) Manual M20; the original manual was titled "Water Chlorination." This manual provides information on chlorination and chloramination practices for the disinfection of drinking water. It does not cover the use of chlorine as an oxidant or as a disinfectant for pipeline and appurtenances.

Topics covered include: history of chlorination and chloramination; properties of chlorination chemicals; chlorination water chemistry and disinfection mechanisms; handling, storage, feed equipment of chlorine and...

This fifth edition provides a complete manual of practice for water utilities on the selection, installation, operation, and maintenance of customer water meters.

The manual also provides sample record-keeping forms, a history of water use measurement, and the development of modern water meters. M6 is heavily illustrated with photos, diagrams, and performance specs.

M6 gives you all the information needed to make sure your customer meters are accurately capturing water use-and protecting your revenue:
- Meter types, construction, and operation

Get specific guidance on designing, operating, and maintaining water distribution systems as they relate to fire protection and fire suppression activities and maximize fire protection benefits, while delivering safe, potable water to customers.

Benefits: The fourth edition has all the information you need to

• Understand the influence of fire protection requirements on distribution system design
• Determine required fire flows, using approved calculation methods
• Correctly size water system components and storage facilities
• Provide adequate and...

Controlling corrosion, done properly, can help extend the useful life of water infrastructure. Effective prevention or mitigation strategies to control corrosion are appropriate for the material and the environment involved, as well as economically feasible.

The newly revised and renamed M27 presents a logical and well-considered look at

1. How and why corrosion occurs
2. How to evaluate the corrosion potential of an environment
3. How prevention and control measures operate

Updates to this third edition were made to the figures, tables and text,...

The safe and efficient operation of a liquid piping system is dependent on the continual removal of air and wastewater gases from the liquid piping system. Choosing the proper air valve for the application is critical to all liquid piping systems.

This manual provides essential information for selecting, sizing, locating, and installing air valves in water, wastewater and reclaimed water pipeline systems. This revised second edition includes information pertaining to wastewater applications including scouring velocities for larger piping systems, and information on an inflow...

M42 will help you make sure you build the storage facility you need in the right place and at the right price.

This official AWWA Manual of Water Supply Practices is a complete reference on steel water-storage tanks for potable water. M42 is intended to serve as a comprehensive, single-volume, information source for designers, engineers, constructors, owners, and operators of steel water tanks.

M42 provides the information you need on

• Ground-supported standpipes and reservoirs
• Elevated tanks
• Welded or bolted construction
• Location, sizing,...

This operations manual provides information for water treatment operators about waterborne viral, bacterial, and parasitic pathogens. It describes each type of pathogen, how it enters the water supply, its diseases, and its treatment.

The manual provides operational procedures for monitoring, sampling, and testing; treatment and disinfection practices for all types of pathogens; and control techniques, including cross-connection control, dead-end flushing, and hydrant flushing. Includes waterborne disease statistics.