Note that some states and territories didn’t have enough knowledge and usually are not included right here. Several iterations of the PDRI have been completed to broaden the scope of the PDRI idea and to refine the method. CII has framed the PDRI for building tasks and industrial tasks .
The sewer harm included bulging and joint floor displacement, and from the truth that there was water infiltration, it might be inferred that the harm was attributable to external force such as groundwater pressure. Since all the harm areas may hinder water move, there was pressing need for remedial measures. In the sewer sections renovated by the Danby Method, Category A harm was present in 5 areas, and Category B harm in three areas . Category A, Category B, and Category C water infiltration was present in 5, three, and five areas, respectively .