1、 Attention steps for the installation of lotus root pond anti-seepage membrane: cushion layer acceptance - lotus root anti-seepage membrane installation - bottom geotextile stitching - lotus root anti-seepage membrane welding - lotus root anti-seepage membrane welding seam inspection - upper geotextile stitching - lotus root anti-seepage membrane acceptance - covering protective cushion layer material - protective layer material acceptance - mortar block stone - mortar block stone acceptance.
2、 The installation of lotus root anti-seepage film should be manually transported to the working face as much as possible. The upstream surface of the dam is paved from top to bottom (the lotus root anti-seepage membrane is parallel to the dam axis), and horizontally from the foot of the slope to the outer end; When paving, two layers of lotus root anti-seepage film should be placed with pedestrian wooden boards, and the tension should be moderate. It is required that the joint surface between the lotus root anti-seepage film and the cushion layer must be smooth and fit, to avoid damage to construction machinery caused by human factors.
3、 The installation of lotus root anti-seepage film should be coordinated with the installation of the protective layer, ensuring that it is laid and pressed at the same time. For the location of the anti-seepage cover area in the storage area, pedestrian wooden boards are installed at the seepage spring eye. In addition, a raised wooden board is installed between the membrane materials in the forward and reverse directions, so that the welding of the lotus root anti-seepage film is in dry ground construction. After the welding inspection is qualified, the reverse geotextile film is flipped 180 ° counterclockwise before starting the repeated construction of the composite lotus root anti-seepage film paving, welding, and testing.