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14 Cards in this Set
- Front
- Back
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Stand Pipe |
Has a diameter less than its height. +Cheap +Lots of storage
-Low levels need to be pumped |
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Elevated Tank |
+Pump cost low +No press. flux
-Small storage -expensive
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Ground Level Tank |
+ Cheap +Low aux power requirements
-Available space -Aesthetics |
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Buried Tanks |
+Aesthetics +Usable space above
-Expensive -Leaks -Floating Tank |
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Hydro-Pneumatic/ Pressurized |
+ Cheap + Surge Protecting +Less pumping
-Aux power required |
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Overflow discharge on tanks needs to be ___ pipe diameters a.f.f. |
2 |
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What are different types of tank monitoring equipment? |
Float and Target Pressure Transducer Sonic level sensors
Monitor the FPS |
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What are the water quality monitors? |
Temperature Chlorine Residual Nitrification |
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What does tank mixers do? |
Remove stratification of water |
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Interior corrosion coatings and protection needs to be? |
NSF 61 compliant |
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What are the two types of Cathodic (leave/corrosion) protection? |
Active- Current reverses flow of electrons that dissolve iron
Passive- Sacrificial anode in water, zinc rods or plates |
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How many years are tanks supposed to be drained and inspected? |
Every 3-5 years |
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What is the difference between a wet top and dry top fire hydrant? |
Wet top +Always filled -May freeze up under cold weather
Dry Top +No water loss when wrecked -May forget to turn on |
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Where do you typically install fire hydrants and what are the requirements? |
+Near intersections +Setback from curb min 2' +Break away flange is 2" a.f.f. +Spacing between hydrants Business 350' Residential 600'
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