Introduction:
The Upper Kotmale Hydropower Project will be
implemented through five separate contracts named as Lot 1 to 5.
The Lot 5 Contract is to construct the Transmission Line to connect
the UKHP plant to the 220 kV National Grid at the existing Kotmale
substation. The scope of work at Kotmale substation was transferred
to Lot 4 for better contract administration.
Details
of the Contract
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Contract Name: |
Lot 5 – Transmission Line
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CEB Contract No.: |
UKHP/06/2008/LOT 5/ JBIC
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Name of the Contractor:
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Name of the Sub Contractor: |
Kinden Corporation, Japan
LTL Holdings (Pvt) Ltd.
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Date of commencement: |
October 06, 2009
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Contract Price : |
Local Currency Portion – LKR 576, 453,162.00 |
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Foreign Currency Portion – JPY 852, 889, 016
Total in LKR 1,584,823,845.62
Total in JPY 1,340,458,298
(LKR 1.1823 = JPY 1 as of March 25, 2009)
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Duration : |
22 Months
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Scope of work: |
A – Construction of 220 kV transmission line from
Niyamgamdora to Atabage. Length -15.5 km
B – Shifting of Biyagama line at Kotmale Switch Yard end.
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Key Dates: |
Completion date of A – May 12, 2011
Completion date of B – Sep 28, 2010 |
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Lot 5 – Transmission Line
has been awarded to the Kinden Corporation, Japan on October 6,
2009.
Lot 5 - Scope of Works:
Scope A
Under the scope A, the contractor is required to construct a 220 kV
transmission line of 15.5 km from the proposed Upper Kotmale
Hydropower Station (Niyamgamdora) to switch yard of the Kotmale
power station (Atabage). The transmission line consists of 45
Structured Towers of steel angles and 6 Steel Reinforced Aluminum
Conductors (ACSR) fixed to each tower using strings of Insulators
with associated hardware. Additionally, an Aluminum Clad (AC) Earth
Wire and an Optcal Fiber Ground Wire (OPGW) with associated hardware
are drawn through each tower from one end to the other.
The transmission line
traverses through the Grama Niladhari Divisions, namely Kalapitiya
East, Kalapitiya West, Weerasekarapura, Koththunugoda, Rojasangama,
Wataddara, Thispane Kanda, Harangala, Kadadora, Mawathura, Nayapana,
Kekulanda, Galatha which come under purview of Divisional
Secretariats of Kotmale and Udapalatha (Gampola).
Scope B
Under the scope B, the
contractor is required to shift existing Biyagama line at the
Kotmale switch yard using two structured towers. The new line
section of approximately150 m consists of 12 ACSR conductors, two
Galvanized Steel (GS) Earth Wires and strings of Insulators with
associated hardware.
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