The independent elements that type wastewater selection systems are all interrelated, and when one aspect fails, all the program fails10. Manhole failure disrupts street website traffic, impacts other utilities, may result in sink holes, leads to numerous drainage problems while in the collections program, and improves I/I. Ironically, with many of the attention and income now staying directed toward pipeline assessment and restore, many of us fail to appreciate that neglecting manholes guarantees a difficulty within a pipe, specially I/I, will then become a difficulty while in the manhole11.