Purpose of work: It describes the methodology for the execution for Concrete Repair at Retaining Wall with PVC Water Stopper using SPECTITE Swellseal Bentobar.
EXECUTION FOR CONCRETE REPAIRING WORK
A. Surface Preparation
- All loose materials to be removed from the surface, clean and uncontaminated.
- Fully clean the concrete and remove any loose or flaking concrete.
- Oil and grease deposits are best removed by steam cleaning, detergent scrubbing or the use of proprietary degreaser. The effectiveness of decontamination should be assessed by a pull-off test.
B. Fixing 1. Firmly press the entire length of Sectite Swellseal Bentobar into place along the affected area make sure it has good contact with the substrate. 2. It should be placed in the center about 300 mm or closer around sharp corner, etc. 3. It can be fixed with contact adhesive or, especially onto rough or damp concrete. 4. End connections and corners must be tightly butt joined to form a continuous length. Do not overlap. Place in maximum practicable lengths to minimize end joints. Where required, cut coil with a sharp knife or utility blade. 5. This not use in any movement joints. Note: Spectite Swellseal Bentobar should not be exposed to water, rain or excessive moisture after installation and before concreting in order to avoid risk in premature hydration. Protect the installed product from such incidents. If there are signs of hydration. Do not use Spectite Swellseal Bentobar in open joints, expansion joints or where risk of hydrocarbon ( fuel and solvents) contamination exists.