1. Questions Flashcards
What were the first Water Mains made of
Wood and Clay
Who and why were Industrial Standards created
Hoover. Standardize sizing, style, and quality to universalize materials for compatability from dfferent manufacturers
What is the expected life span of galvanized pipe for cold and hot water
80 years cold. 40 years hot.
What is the expected life span of copper? What are some qualities that make it great for water supply
150 years. Nonporous, durable, lightweight, but expensive
What is a sign of a clogged drain vent
Gurgling during operation, flushing and filling
How deep is the frost line? What is the minimum depth for water mains to be buried
36 inches. 48 inches feet minimum
What are old water pipes made of, when did this change and why
Lead. 1986. Changed due to health risks.
Why was it not mandated to remove all lead pipe
Scale builds easily on lead, and protects against lead entering the water supply
What is the Chicago code for cleanout placement
Everytime a drain pipe changes direction a cleanout must be installed
What is the difference from Chicago sewers and Chicago suburb sewers
Chicago uses Combination Sewers, suburbs have Waste Sewers and Storm Sewers due to immense volume to process
When and where were the first apprentice laws created
Early 1600s in England
Where and when was the first city water system made
Boston in 1652
Where and when was the first cast iron water main law adopted
Philadelphia in 1804
When was the first American patent given and for what
1857 for a plunger water closet
Where and when was the first comprehensive city drain system implemented
Chicago in 1885
