CIPP-UV in-situ lining technology for pipeline UV curing repair

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Quality Acceptance Standards for Non excavation UV Curing Repair of Southern Drainage Municipal Pipeline CIPP Lining Construction Pipeline 1.1 After Visual Inspection and Repair, all lining pipes should undergo internal visual inspection, and the inspection data should be included in the completion file. 1) Inner lining pipes with an inner diameter of less than or equal to 800mm should be inspected using closed-circuit television, with images as the basis for visual inspection; 2) Inner lining pipes with an inner diameter greater than 800mm should be manually inspected after cooling, and image data should be left at the defect location. 1.2…

Quality acceptance standard for non excavation ultraviolet curing repair of pipelines

1. Appearance inspection

After repair
1.1 All lining pipes should undergo an internal visual inspection, and the inspection data should be included in the completion file.

1) Inner lining pipes with an inner diameter of less than or equal to 800mm should be inspected using closed-circuit television, with images as the basis for visual inspection;

2) Inner lining pipes with an inner diameter greater than 800mm should be manually inspected after cooling, and image data should be left at the defect location.

1.2 The appearance inspection results shall comply with the following regulations:

1) No cracks, holes, dry spots, detachment, burn points, weak zones, or visible leakage phenomena;

2) It should be tightly attached to the old pipeline, with smooth inner walls and no obvious circular folds;

3) The number of local uplifts in a well section should not exceed 2, and the height of the uplifts should not exceed 2% of the inner diameter (ball passing method inspection);

4) The end incision should be flat, and there should be no water leakage in the fitting gap;

5) When repairing locally, the defective area should be covered with *.

2. Wall thickness measurement

2.1 All lining pipes should undergo wall thickness measurement, and the measurement records should be included in the completion file.

1) Two ends of each lining tube should be measured, and four evenly distributed measuring points should be selected for each end;

2) It is advisable to use a thickness gauge for measurement; When measuring with a steel caliper, the accuracy should reach 0.1 mm.

2.2 The wall thickness measurement results shall comply with the following regulations:

1) The average wall thickness of any end should not be less than the design wall thickness;

2) The small wall thickness at either end should not be less than 90% of the design wall thickness.

3. X120-UV Portable UV Curing Repair System Curing Parameter Table

At high speeds, diameter dependent light sources should be used in conjunction with high-performance ultraviolet lamps. The temperature sensor should have complete functions and operate well, and the temperature of the middle lamp holder sensor should reach between 80-130 ℃. If the temperature is less than 80 ℃, the curing speed should be reduced for adjustment.

The suggestions given here are based solely on personal experience. Special construction sites may require lower curing speeds. Therefore, we do not assume any guarantee responsibility for any details. Please adjust the speed according to real-time temperature feedback during construction!

UV-CIPP UV curing repair and CIPP spot repair of pipelines,Non excavation repair of pipelines,Pipeline non excavation in-situ UV curing repair CIPP UV lining UV curing repair, Jiangsu Nanpai Municipal Pipeline Non excavation Repair Co., Ltd.: integrating various non excavation repair technologies such as UV curing repair technology, point in-situ curing repair technology, stainless steel double expansion ring repair technology, horizontal directional drilling, crack insertion method, inspection well centrifugal pouring lining repair technology, etc., providing on-site engineering services for various municipal and industrial pipelines.