💧 DRAINAGE PIPE SLOPE — WHY DOES IT MATTER?
Drainage pipes are installed with a designed gradient to help wastewater flow toward its intended destination.
An unsuitable gradient can contribute to poor drainage performance.
🔹 Why Is Correct Slope Important?
✅ Supports the intended flow of wastewater.
✅ Helps reduce the risk of sediment accumulation.
✅ Supports reliable operation of the drainage system.
✅ Helps avoid drainage problems caused by unsuitable installation.
🔹 What Should Be Checked on Site?
📐 Pipe gradient and alignment.
📏 Pipe diameter.
🔗 Joint connections.
🧱 Pipe bedding and support.
💧 Testing and inspection requirements.
📋 Compliance with approved plumbing drawings.
⚠️ Too little or too much slope can be unsuitable depending on the pipe size, system, and design. Do not assume that a steeper pipe is always better.
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