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Program Topic:
Potable Sanitary Hydrants
& Drinking Fountains
Sponsored by:
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Program Topic:
• History
• Ground Drain and Weephole Systems
• Double Ball Check Valves and Systems
• Methods of Potable Water Hydrants
• Construction and Materials Used
• Codes and Regulations
• Solutions and Installation Tips
• LEED and Water Conservation Demands
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Public “Potable” Drinking Water is NOT a new issue
History:
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Drinking water is water that is of sufficiently high quality so that it can be consumed or utilized without risk of immediate or long term harm.
Such water is commonly called potable water.
Access to safe drinking water is indicated by the number of people using proper sanitary sources.
- wikipedia.org
Indicators of Safe Drinking Water
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Global Facts:
Percentage of population with access to safe drinking water
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“Due to the deaths associated with e-coli outbreaks and other pathogens that have contaminated our water supplies, there has been great concern regarding cross contamination between the potable water supply and the soil, which carries animal by-products, fertilizers and other hazardous materials”
- 2003 issue of Plumbing Standards Magazine
Why the public concern?
History:
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Ground Drain or Weephole Hydrants & Drinking Fountains
Type A. Drain to ground
Type B. Drain to gravel or daylight
Type C. Drain to pit
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Ground Drain or Weephole Hydrants & Drinking Fountains
Type A. Drain to ground
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Ground Drain or Weephole Hydrants & Drinking FountainsType B. Drain to gravel or daylight
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Ground Drain or Weephole Hydrants & Drinking Fountains
Type C. Drain to pit
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Ground Drain or Weephole Hydrants & Drinking Fountains
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Double Ball Check Valve System
Double Valve
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Double Ball Check Valve System:
Double “Ball Check Valve” style Hydrant system incorporates:
• Double ball check valve on drain in place of “weep” holes
• And, standard 1011 vacuum breaker on hydrant outlet
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Various Methods of Potable Water Hydrants
Type I. Venturi
Type II. Displacement
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Various Methods of Potable Water Hydrants
Venturi
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Various Methods of Potable Water Hydrants
Venturi
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Various Methods of Potable Water Hydrants
Components
Displacement
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Various Methods of Potable Water Hydrants
Components
Displacement
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ANTI-FREEZING…Year Round
• Operating valves are buried belowthe frost line, easily removable without digging up the hydrant.
• Constructed of heavy brass castings, premium quality gray iron and steel.
• Ideal for year-round service outside or in unheated buildings. From 3/4" to 2" outlets.
Various Methods of Potable Water Hydrants
Displacement
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Incorporated Materials
NO LEAD CASTINGS
LEAD Free Material (Brass):
Federalloy
Epalloy
Oshalloy
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Incorporated Materials
NOTE: NO LEAD CASTINGS
Lead/Cyst Reduction water filter (shown)
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Codes, Regulations & Standards:
• ASSE Sanitary Yard Hydrant Standard #1057
• NSF / ANSI Standard 61
• Sealed prevention from cross contaminants
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Codes, Regulations & Standards
ASSE Sanitary Yard Hydrant Standard #1057
Ensuring Proper Freeze Protection
• The hydrant shall not drain directly into the ground and it must have a back flow preventer if a hose is capable of attachment.
• Ensures pressure and flow capabilities
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Codes, Regulations & Standards
NSF / ANSI Standard 61
Drinking Water System Components
• The standard requires a full formulation disclosure of all chemical ingredients in each water contact material and testing for any chemical contaminants that could leach water from each material into drinking water
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Codes, Regulations & Standards
Sealed prevention from cross contaminants
Why?
• Avoiding potential risks of
cross- contamination
• Avoiding liability factors
• Public health
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Example: Suitable “Sanitary” Drinking Fountain
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LEED - Leader in Energy and Environmental Design
• Schools
• Healthcare
• Neighborhood Developments
• Parks & Recreations
• Sports Complex
• WWTP
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Where can I gain points?
WE c3.1 Water Use Reduction
20% :: 1 Point
WE c3.2 Water Use Reduction
30% :: 1 Point
LEED - Leader in Energy and Environmental Design
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Environmental Benefits:
• Renewable Energy
• Water Conservation
• Achieve LEED certification
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Hydrants & Drinking Fountain:Installation and Specification Tips
1. Do you have the proper depth of bury?
2. Does your fixture meet state and local codes?
3. Do you have any special requirements?
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Potable Sanitary Hydrants & Drinking Fountains
Summary and Q & A’s
Program recap
Always consult your local codes!
• Site Selection
• Soil Characteristics
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