North Karnpura STPP, (3x660 MW)
Construction of Barrage across Garhi River Package
SALIENT TECHNICAL FEATURES
“Salient Technical Features of the equipment/systems/services covered in IFB no 40055080 is mentioned below. These Salient Technical Features are mentioned only to facilitate the prospective bidders to prima-facie understand the requirements under the tender and shall not in any way limit or alter the scope of work and technical features/ specification of equipment/systems/services covered in the Bidding Documents. Detailed provisions in regard of scope of work and technical features/specification of equipment/systems/services, contained in the Bidding Documents shall be final and binding.”
SALIENT FEATURES OF THE PROJECT
Name of the river : Garhi
State : Jharkhand
District : Hazaribagh
Nearest rail head : Hazaribagh
Nearest Airport : Ranchi
Longitude : 85º02'05"E.
Latitude : 23º51'22"N
2 |
Barrage |
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Type |
: |
Glacis type |
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Top of (pier) Barrage |
: |
EL 439.0m |
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Length of Barrage at top |
: |
105.00m |
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Top Width |
: |
4 m |
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Maximum height of barrage |
: |
7.0 m |
|
Max. water level |
: |
437.5 m |
|
Deepest foundation level |
: |
426 m |
3 |
Hydraulic Data (Barrage) |
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Design flood |
: |
1800 m3/s |
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Bay width & No. of bays |
: |
9.0 m, 09 Nos. |
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Crest level |
: |
EL 432.00 m |
|
Gates |
: |
Vertical lift |
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Gate opening |
: |
9.0m X 6.0 m |
|
Pier thickness |
: |
2.0 m |
4 |
Intake and Pump House |
: |
|
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Location of Intake |
: |
60m away from right bank & 100 m Upstream of barrage axis |
|
Shape |
: |
Semi double D |
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Dimension |
: |
Length 26.9 m Width 10.0 m |
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Stein thickness |
: |
1 m facing bank side & 1.5m facing river side |
|
Intake opening |
: |
3 Nos |
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Intake gate size |
: |
1.5 m X 1.0 m |
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Type of gate |
: |
Vertical |
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Hoisting arrangement |
: |
Screw hoist type |
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Invert level of inlet |
: |
433.5 m |
|
Trash rack |
: |
1.5 m X 1.0 m |
|
C/L of header pipe |
: |
EL 438.10 m |
|
Approach bridge deck level |
: |
EL 439.0m |
NTPC Ltd. NORTH KARANPURA STPP (3 × 660MW) Construction of Barrage across Garhi River Package Bid Doc No. : CS-4410-301B-9 |
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