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Generally with a level. 1/8 inch to the foot. If you have a known level such as the top of the foundation, you could measure from the floor joist and be close enough. For long distances, a surveying transit is used.

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15y ago

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What is peracentage referring to fall of pipe?

1 %


How do you work out fall on 6inch pipe over 20 maters?

To calculate the fall (slope) on a 6-inch pipe over 20 meters, you first need to determine the desired slope percentage. A common recommendation for drainage pipes is a slope of 1% to 2%. For example, using a 1% slope, the fall would be 0.2 meters (or 20 centimeters) over the 20-meter length. This means you should lower one end of the pipe by 20 centimeters relative to the other end to ensure proper drainage.


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What are the factors affecting flow of liquid in a pipe?

The factors affecting the flow of liquid in a pipe include the pipe diameter, the viscosity of the liquid, the pressure difference across the pipe, the length of the pipe, and the roughness of the pipe walls. These factors collectively determine the flow rate and efficiency of the liquid moving through the pipe.


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