Lower Likhu Hydropower Project (28.1 MW)

Hydropower Projects

Main Civil Works Construction Contract of Lower Likhu Hydropower Project (28.1 MW)
Contract No. – LLHP-MCW-2074/075-01

The joint venture partnership between High Himalaya Hydro and Construction and Bavari Construction Pvt. Ltd. (BCPL) was awarded the contract for principal civil works on 19 March 2019. This project includes construction of:

  • Headworks (weir, intake, settling basin)
  • Tunnel works (HRT, surge shaft)
  • Powerhouse complex
  • Tailrace channel
S.N.ParticularsDetails
1Contract NameMain Civil Works Construction of Lower Likhu Hydropower Project (28.1 MW)
LLHP-MCW-2074/075-01
2Contract Date43178
3Taking over certificate44873
4Contract AmountNRs. 3,27,92,11,066.23 (Excluding VAT)
Key Features of Projects
S.N.ParticularsQuantity
AHeadworks
Weir: Ogee Shaped 65 m x 15 m (LxH)
Undersluice: 2 Radial Gates6.0 m x 6.0 m
Intake: Side Intake; 2 Nos. of Orifice 3.2 m x 2.8 m (BxH)
Approach Culvert: 4 chambered152 m (avg.) 2.3 m x2.5 m (BxH)
Settling Basin: 4 chambered116 m x 31 m (LxB)
BTunnel
HRT: Free Flow, Inverted D Shaped 4.90 m x4.90 m (WxH) and 5025.30 m Length.
Surge Shaft: Circular 11.2 m dia. and 64 m high
CPowerhouse: Surface33.3 m x 21.7 m x27.5 m (LxBxH)
DTailrace: 220 m x5.2 m x4.35 m
Total Quantity of work Accomplished by Bavari in the project
S.N.ParticularsQuantity
A.Excavation
Tunnel Excavation1,17,467.50 cu.m
Boulder Mix Soil Excavation2,10,972.39 cu.m
B.Concrete
C15 Concrete1,341.83 cu.m
C25 Concrete57,143.30 cu.m
C35 Concrete 781.08 cu.m
C25/40 Plum Concrete14,562.71 cu.m
C. Reinforcement3612.28 MT
D. Boulder Riprap 0.5-1.5 m10,364.59 sq.m
E.Stone masonry works6,301.34 cu.m
F.Gabion Works 1,977.50 cu.m
G.Contact and consolidation grouting works 14,50,550 kg cement
H.Hard Stone Lining 300 mm thick506.42 sq.m
I. Shotcrete Works 50 mm thick to 150 mm thick6,747.97 cu.m
J.Rockbolt 20 da./2 m to 25 dia. 5 m long,
Fore poling (25 mm dia.6m long)		37,749 Nos. (Rockbolt)
1,153 Nos. (Fore poling)
K.Form work84,233 Sq.m

The project commenced commercial power generation from 8 November 2022 (Kartik 2079 BS) and has been successfully operational since completion.

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