This guideline applies to Class 1, 2 and 3 dams that have built large, medium and particularly important small reservoirs. Dams include permanent water retaining structures as well as water release, water transfer and ship passing structures and metal structures related to dam safety.
SL 258-2000 history
2017SL 258-2017 Guidelines for Dam Safety Evaluation of Reservoirs and Dams
2000SL 258-2000 Guidelines on dam safety evaluation