Sewer System Code and Functions

This video tutorial provides a comprehensive guide on running and tying in a sewer line for residential applications. It covers the necessary materials, code requirements, and installation techniques. Key topics include the use of reducers, backwater valves, cleanouts, and the importance of proper pipe connections. The tutorial also discusses city tap connections and the use of elder valves in certain billing scenarios. The video aims to equip viewers with the knowledge to effectively manage sewer line installations while adhering to local codes.

What is the minimum pipe size required for a house with four toilets according to code?

• Two-inch pipe

• Three-inch pipe

• Four-inch pipe

• Five-inch pipe

What is the primary function of a backwater valve in a sewer line?

• To filter debris from the water

• To reduce water flow

• To prevent water from flowing back into the house

• To increase water pressure

When is a backwater valve required by code?

• When the sewer line is longer than 100 feet

• When there are more than three toilets

• When the finished floor is lower than the manhole rim

• When the finished floor is higher than the manhole rim

Why should hub-on-hub connections be avoided in sewer lines?

• They are more expensive

• They are not aesthetically pleasing

• They can lead to code violations

• They are difficult to install

What is the purpose of a cleanout in a sewer line?

• To increase water flow

• To reduce pipe diameter

• To provide access for clearing clogs

• To connect multiple pipes

What is the recommended fitting to use instead of a 90-degree bend in a sewer line?

• A 60-degree fitting

• A 30-degree fitting

• A straight fitting

• Two 45-degree fittings

How often should cleanouts be installed in a sewer line?

• Every 50 feet

• Every 75 feet

• Every 100 feet

• Every 150 feet

What is the function of an elder valve in a sewer system?

• To prevent sewer backups

• To filter debris from the sewer line

• To increase water pressure

• To shut off the sewer line if the bill is unpaid

What is the correct orientation for a sanitary tee in a sewer line?

• Horizontal to horizontal

• Vertical to vertical

• Horizontal to vertical

• Vertical to horizontal

What type of pipe is typically used for city infrastructure in residential areas?

• Galvanized steel

• 30 34 PVC

• Schedule 40 PVC

• Copper piping