Nice Question:
It is done for 2 basic reasons:
1. If a flat or a concrete surface is used then there are chances of water accumulation during rain which must be avoided in Yards.
2. Lets suppose if there is any oil spill or leakage in transformer, then the oil can never got accumulated on surfaces. Instead, it will seep from gravel into bottom thereby minimizing chances of fires.
rainy water store long period, oil leakage observed, and grass or other plant not easy to growth... - Govindane
One yard of PEA Gravel weighs approximately 3,000 pounds Clarification: one CUBIC yard weighs approx 3,000 pounds.
i saw $20-25 for coin size type gravel
On average it would be 1,5 ton a yard but depending the type of stone it might be up to 1,8 ton
A transformer used to step up or down the value of voltage.
We use double rating transformer, in this we have two type of cooling . ONAN & ONAF, According to cooling we have two rating.
A yard of gravel is the amount of gravel that will fill a container whose inside dimension is 1 yard by 1 yard by 1 yard. It's a cubic yard of gravel. The metric equivalent is .9144 meters by .9144 meters by .9144 meters.
A "yard of gravel" is a measure of volume, not a measure of area. There are 27 cubic feet (3x3x3 feet) in a yard of gravel, or one cubic yard.
This depends on the size of gravel, the water content of the gravel, and the material composition of the rock used to make the gravel. Typically 1 cu.yd. of gravel wieghs 3000 lb.
yes dirt and gravel are measured the same.
A yard of dry gravel weighs more than a yard of dry sand. One yard of dry gravel is equal to 2970lbs/cu. yd while one yard of dry sand weighs 2619lbs/cu. yd
A cubic yard of gravel will cover 81 square feet at 4" of thickness. Multiply the width of the patio by the length of the patio to get your square footage. Gravel is usually sold by the cubic yard.
One yard of PEA Gravel weighs approximately 3,000 pounds Clarification: one CUBIC yard weighs approx 3,000 pounds.
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Yard Crashers - 2008 Gravel Table 2-8 was released on: USA: 2009
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It depends how thick the gravel is being laid - at 4 inches thick, a cubic yard will cover 81 square feet.
i saw $20-25 for coin size type gravel