4e37a216badc0e6cbfed2646499c84a6.ppt
- Количество слайдов: 96
First Public Water System
First Public Water System
Upgrade of Original System
Upgrade of Original System
First Pumped Water System
First Pumped Water System
First Pumped Water System
First Pumped Water System
PITTSBURGH IN THE YEAR 1840. A LITHOGRAPH PRINTED IN NUREMBURG, GERMANY BY C. BERG.
1844 Upgrade
1844 Upgrade
1848 Upgrade
1870 Upgrade
1879 Upgrade
Brilliant Pumping Station (late 1800’s)
Carnegie Lake
Construction of Herron Hill Reservoir
Herron Hill Reservoir
1880’s-1890’s Upgrades
HAIGHLAND #2 RESERVIOR
CONSTRUCTION OF HIGHLAND #2 RESERVIOR
HIGHLAND RESERVIOR #2 INFLUENT
CONSTRUCTION OF HIGHLAND #2
RISING MAIN LEADING TO HIGHLAND #2
PIPE LEADING TO HIGHLAND #2 RESERVIOR
Northside Water System
Southside Water System
Southside Water System
Fire Protection
Fire Protection
Fire Protection
Fire Protection
The Steamer of the Pittsburgh Fire Department with the Eagle Company’s horse-drawn engines.
Great Fire of 1845
Great Fire of 1845
Great Fire of 1845
BEFORE THE FIRE. A PAINTING MADE IN THE EARLY MONTHS OF 1845 BY GEORGE BREED.
THE BURNING OF PITTSBURGH as painted by William Coventry Wall two days after the devastation.
THE BURNT OUT CITY A Contemporary painting by William C. Wall
Need for Water Treatment
Cholera
Cholera
Cholera
“Cholera Epidemics kept Pittsburgh in fear. Coal fires and pitch pots were lit in the streets, expecting that the flames would kill the cause of the disease. Hundreds perished in 1832, 1833, 1834, 1849, 1850, 1854 and 1855. ” As stated in the book PITTSBURGH the Story of an American City, by Stefan Lorant.
Cholera
Typhoid Fever
Typhoid Deaths per 100, 000
Typhoid Fever
Typhoid Fever
Drinking Water Treatment
Drinking Water Treatment
Drinking Water Treatment
Drinking Water Treatment
Slow Sand Filtration Plant
ALLEGHENY RIVER INTAKE
Ross Pumping Station (early 1900’s)
Ross original steam pumps
Ross original steam pumps
Filtration Plant Sedimentation Basins (Early 1900’s)
Construction of Slow Sand Filters (Circa 1905)
Construction of Slow Sand Filters (Circa 1905)
Completed Slow Sand Filters
Maintenance of Slow Sand Filters
Isometric view from Highland Park of three pumping stations and filtration plant of the City Water Supply.
In 1923, the treatment plant had the distinction of being the largest sand filtration plant in the world.
Additional Improvements
Effects on Public Health
Typhoid Deaths per 100, 000
St Patrick’s Day Flood - 1936
St Patrick’s Day Flood - 1936
St Patrick’s Day Flood - 1936
St Patrick’s Day Flood - 1936
St Patrick’s Day Flood - 1936
More Recent Improvements
Highland Reservoir #2
Membrane Filtration Plant
Highland Reservoir #1
Regionalization
Major Challenges
4e37a216badc0e6cbfed2646499c84a6.ppt