There are comments mentioned by Serial Number of the Matrix:
1.Change the Concrete repair material to the right material ( RENDEROC - LA ) as per Letter K&TPD/KRP&SFPD/SF/L-215/13 or use another approved material has strength same as the precast concrete because the foundation, column and panel are structural elements.
2.To repair spall or broken edge they should add mechanical support material such as corner mesh with the concrete repair material as mentioned at point 1.
3.The contractor should repair any crack because the area is close to the sea and all walls panels are expose to weather as per ACI 533 R-93 Para 2.5.3 “Therefore, if the reinforcement is coated for corrosion resistance, wall panels containing cracks up to 0.005 in. wide for surfaces exposed to weather and 0.010 in. wide for surfaces not exposed to the weather should be acceptableâ€ with right material as mentioned at point 1.
4.The contractor has to give excellent finishing not to minimizing the color differences between the precast element finish and the repaired area finish. No stains or spots will be kept for weather to fade them away; the contractor has to repair with excellent finishing.
5.The contractor has to repair any pinhole or bubble at all side as per ACI 533 R Para 7.2 with right material as mentioned at point 1.
6.No comment.
7.Using right material as mentioned at point 1.
8.Using right material as mentioned at point 1.
