PURPOSE: To make it possible to promote efficiency in both work and cost by clarifying spring water injected and filled into a boring, and transmitting the state of the inside of a shaft through a photographing camera loaded to the front end of a boring rod.

CONSTITUTION: Spring water is injected and filled into a boring bored into the objective ground, a frock settling material is added to the spring water to aggregate and settle mixed pollutants in the filling water, and the filling water is clarified. After that, a phtographing camera 4 is inserted into the filling water, the state of the inside of a shaft photographed by the camera is transmitted, it is received by a picture receiving television monitor equipment 12, and monitoring photography can be made. The photographing camera 4 is loaded to the front end of a boring rod 1 providing an injection nozzle to a side wall, boring by spring water injection and spring water filling shaft and shaft photography are executed, and a hardener is injected and filled into a cave A fromed by cuts. According to the constitution, work can be carried out while directly confirming the soil in the boring shaft, the state of deposits, the spring state of ground water and others through visual observation.