Mobile Toilet Drainage Pipe Installation

The installation of mobile toilet drainage pipes requires strict adherence to steps to ensure system tightness and smooth drainage. The specific operations are as follows:

I. Basic Installation Process

1. Fixing Relevant Components
   Use special glue (such as PVC glue) to quickly bond pipe joints. Since the glue dries quickly (usually within 3-5 minutes), assembly should be completed immediately after application to avoid loose connections due to delays.

2. Installing and Fixing the Main Pipe
   Mark the drilling positions on the ground or wall according to the design path. Use an electric drill to install pipe clamps or expansion bolts (recommended spacing of 60-80 cm). Embed the assembled main pipe into the pipe clamps and adjust the slope (the slope should be ≥1% to ensure drainage by gravity), ensuring there is no twisting or sagging.

3. Connecting Branch Pipes
   Based on the positions of the toilet, sink, and floor drain, use tee or cross fittings to drill holes in the main pipe (the hole diameter should match the outer diameter of the branch pipe). Apply glue and tighten the fittings during connection. The slope of the branch pipes should also be ≥1% to prevent water accumulation.

4. Connecting Sanitary Fixtures

   • Toilet: Connect to the drain outlet through a flange ring (made of wax or rubber). The flange ring should fully fit the ground to prevent sewage leakage.
   • Sink and Floor Drain: Use hoses or PVC pipes to connect to the branch pipes. Add rubber gaskets and pipe clamps at the joints, tighten them, and check for stability.

5. Inspection and Testing
   Visually inspect whether the glue is evenly applied at all joints and whether the pipes are deformed or misaligned. Conduct a water flow test: slowly fill water into the sanitary fixtures, observe the drainage speed and whether there are any leaks at the joints. If there are no abnormalities for 5 minutes, it is considered qualified.

II. Supplementary Steps for Installing Relocated Drain Pipes in Bathrooms (if required)

1. Preparation before Relocation
   Clear the items in the bathroom and confirm that the new drainage position matches the sanitary facilities (such as the toilet and shower area) to avoid conflicts during later use.

2. Removing Old Pipes and Cleaning
   Use pipe wrenches to cut off the old drain pipes and clean the residual debris (such as cement blocks and hair) inside the pipes to prevent blockage of the new pipes.

3. Measurement and Drilling
   Locate the new drain outlet according to the design drawings and use a level to ensure the verticality of the drilling. The diameter of the ground hole should be 1-2 cm larger than the outer diameter of the pipe for easy installation and adjustment.

4. Installing New Pipes and Exhaust
   The connection points of the new pipes should be aligned and flat, and fixed with glue or hot-melt welding. Install exhaust pipes according to regulations (usually with a diameter ≥50 mm) to prevent negative pressure and air resistance during drainage.

5. Sealing Holes and Acceptance
   Fill the holes with cement or waterproof mortar, smooth the surface, and apply waterproofing treatment. Conduct another water flow test to confirm that the drainage speed is ≥1 L/s and there are no leaks. Only cover the ground after acceptance is qualified.