Maintenance Snow and Ice

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Maintenance Flashcards on Maintenance Snow and Ice, created by Rosie23 on 26/01/2014.
Rosie23
Flashcards by Rosie23, updated more than 1 year ago
Rosie23
Created by Rosie23 almost 11 years ago
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Resource summary

Question Answer
In most commercial snow removal projects, what is the most efficient method of snow removal? A combination of truck plow and snow pusher
What are pushers designed for? Moving large volumes of snow
What can plows do that pushers can't? snow plows can clean up trails and pull snow away from curbs, walkways, loading docks, light poles, islands and dumpsters
Name 2 types of plows? Straight and V-plow
What are is the pros to having a V-plow? Versatility. It can be made into a V, straight or scoop blade.
What is the 'Buck" technique? the windrow by cutting a perpendicular swath across the windrows. Be sure your blade is straight as you make contact with each pile. When bucking the windrows, two trucks with straight plows can work as a team. One truck keeps bucking sections of the windrow to create gaps, which lighten the load for the other plow.
How many feet do you need to have clear on every side of a hydrant? 3 feet
What do you use when clearing a lot that has cars in it in order to keep snow from piling behind them? A V-plow in a scoop position
When would you want to take smaller loads? In high traffic areas, heavy deep snow. In case you have to stop its would be hard to start again with a large or heavy load.
What are ploughs for trucks made of? Steel or Polyethlene
Why is heavier steel good for a pough? Gives you more grip on the surface
How big is a plough? 6.5 to 10 feet wide and weigh up to 1000 lbs
How is a plough moved? Controllers which are Hydraulic
Why are V-ploughs good? They improve directional control and distance moved
Blade depth? 4-10"
Blade material? Steel, Rubber, with tugston CARBIDE insets
What is a trip spring? flips the plough if it hits an obstacle.
Why Salt? Saves lives, saves time, reduces accidents, protects economy
Cons to salt? environmental damage, cost, damage to road infrastructure.
How does salt damage plants? Draws water from cells by reverse osmosis
How does salt get into the environment? runoff and brine spray
What does salt do to soil? Degrades soil structure
What are the 4 Rs Right time, Right amount, Right material, Right place
What material is biodegradable? Potassium acetate
Which materials are fertilizers? Urea, Potassium chloride and Ammonium sulfate
What is the term used when salt attracts water? Hygroscopic
Freezing point depression Salt lowers the freeze point of water. The more salt the lower the freezing point
What is the freezing point depression both in a lab and real life -21 (lab) -9 (real life)
What chlorides enter concrete and which ones don't? Don't - calcium and magnesium Does - sodium
What can you use on concrete to prevent damage? CMC
What can contribute to algae bloom? Urea and ammonium sulfate
Name 3 carbohydrate based liquids Beet juice, Corn solution and Alcohol distillery mush
What are the main components to snow removal equipment? Vehicle, plough, plough blade and spreader
What is a plow prep Heavier frame, Heavier springs, Transmission cooler, dual batteries and additional lights
3 commonly used vehicles for snow removal? Truck, grader and loaders (especially skid steers)
The difference between a snow blower and a snow thrower? Snow thrower are single stage. Snow blowers have a separate fan to eject snow, duel stage
Where and when was the first snow blower invented? Canada (Montreal) 1927
What is a Metromelt A machine that can melt up to 150 tons of snow per hour
Pro and con to snow melters? Con - Use a lot of fuel. Pro - Land used to store snow and transporting the snow can be expenssive
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