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Hirakud-I

Hirakud-II

 

Hirakud-I
(Dam & Apurtenant Work)
Welcome
Project Features
Important Events
Commissioning
dates
Salient Features
Generation

Power plant economics

Staff strength
Unit Availablity
Reach at Us

 

Dam and Reservoir

 

Top dam level                           :          R.L. 195.680 M (R.L  642 ft)

F.R.L/ M.W.L                          :           R.L. 192.024 M (R.L 630 ft)

Dead storage level                    :          R.L. 179.830 M (R.L 590 ft)

Storage capacity                                  Original                        Revised (1988)

In M. cu. M / MACFT

Gross                                       :           8136 (6.60)                  7189 (5.83)

Live                                          :           5818 (4.72)                  5375 (4.36)

Dead                                        :           2318 (1.88)                  1814 (1.47)

Water spread area at

F.R.L                                       :           743 sq. km

D.S.L                                       :           274 sq. km

Maximum stratch at F.R.L.          :           83.2 km

Total length of dam                   :           4800 M

Length of dyke

Left dyke                                  :           9337 m in five gaps

Right dyke                                :          10759 m in one stretch

Total quantity of  earth work

in dam                                      :           18.1 MCum.

Total quantity of

Concrete and masonary            :           1.07 M. cu.m

 

Spillway

Spillway capacity                      :           42450 cumecs

Crest level                                :           R.L. 185.928 M (R.L.610 ft)

Size of sluices                          :           3.658 x 6.20 m (12 x 20.34 ft)

No. of sluices                           :           64 (40 on left and 24 on right)

Sill of sluices                            :           R.L. 155.448 m (R.L. 510 ft)

No. of crest gate                       :           34 (21 on left and 13 on right)

Size of crest gate                      :           15.54m x 6.10 m

Type                                        :           Solid gravity with ogee profile and skijump bucket.