In article the event of repairing embankment of small water reservoir in mountains was presented. This dam which he in belong to IV class of validity did not fulfill none of requirements of safety he one should be qualified classified. The realization of repair was from surface of crown of dam the building was a some engineering innovation. The dam about seldom had the stepping out ornate inclination the slope the limited accessibility of terrain from side the down stream slope also. It the new solutions to difficult conditions of realization of object were adapted was and the technology of works. It the effective protection was protected was the filtration and the dehydration as well as the improvement the stability across appeasement of inclination of slope the down stream slope. ...