Table 2: Water levels maintained/observed at physical model study carried at IRI, Nadipur

Description (cusec) Water depth of the barrage (ft)
Floor at el 662/end of sloping apron Prevailing Subsidiary weir at 600ft with crest at Subsidiary weir at 800ft with crest at El 676
EL675 El 676
50,000 11.7 3.7 8.45 9.3 9.5
100,000 13.3 5.3 9.9 10.37 10.55
300,000 18.1 10.1 13.5 14 14.25
500,000 21.7 13.7 16.35 16.9 17.2
750,000 25.7 17.6 19.6 20.4 20.25
850,000 26.2 19 20.7 22.5 21.25
950,000 28 20 21.65 23.15 22.35