Bentonite waterproof blanket finished product protection

Finished product protection of bentonite waterproof blanket: 1. After laying the bentonite waterproof blanket, the geomembrane should be laid in time to avoid the wind and rain erosion; 2. If the geomembrane cannot be laid in time after the bentonite waterproof blanket is laid, the color strip cloth or film should be used. Covering to avoid the erosion of wind and rain; 3, after the paving of the bentonite waterproof blanket should be avoided to crush the vehicle and other foreign objects; 4, after the completion of the construction of the bentonite mat, there must be no mud, dirt, debris, etc. may damage the seepage The foreign matter of the layer exists. Storage, transportation a, bentonite waterproof blanket (GCL) rolls should be protected from damage before installation. The bentonite waterproof blanket (GCL) rolls should be stacked in a place where there is no water accumulation, the height of the stack is no more than four rolls, and the identification plate of the roll can be seen. 5. Damage to the bentonite waterproof blanket (GCL) caused by improper storage and operation. It is not allowed to be used in this project. 6. During transportation (including on-site transportation from material storage to work), bentonite waterproof blanket (GCL) rolls should be protected from damage. 7. Physically damaged bentonite waterproof blanket (GCL) rolls must be repaired. Damaged bentonite pads (GCL) cannot be used. We will remove them from the site and replace them. Any bentonite (GCL) material that is exposed to chemical solvents is not allowed to be used in this project according to the supervision engineer's judgment. 9. If the bentonite blanket is damaged (tear, piercing, etc.) during the installation process, it can be taken from a roll. A new patch of "patches" on the new bentonite blanket is placed in the damaged area for repair. The length of the four sides of the patch shall not be less than 300mm. The granular bentonite or bentonite slurry shall be scattered around the damaged area before the patch is placed. If necessary, some adhesives can be used to prevent the "patch" from shifting, or a small piece of bentonite blanket underneath the damaged area.