| PENSTOCKS |
| Number |
7 |
| Internal dia. |
7.6 m (unit 1,2,5 ,6 & 7) , 6.1M (3 & 4) |
| Max. velocity |
3.7 m/s (unit 5 ,6 & 7) |
|
2.5 m/s (3 & 4) |
| No of turbine fed by each |
| Penstock |
One |
| Max. discharge capacity |
166.6 (unit 5 ,6 & 7) , 94.0 CUMECS(3 & 4) |
| POWER CHANNEL |
| TOTAL LENGTH |
25.45 KM (83465 FT.) |
| 1ST REACH UPTO POND NO. 1 REGULATOR |
9.18 KM (30100 FT.) |
| 2ND REACH UPTO CHIPLIMA |
16.27 KM (53365 FT.) |
|
A) 1ST REACH (FULLY LINED)
|
| BED WIDTH |
52.43 M (172 FT.) |
| BED SLOPE |
1 IN 10000 |
| SIDE SLOPE |
1:1 |
| FULL SUPPLY DEPTH. |
7.01 M (23 FT.) |
| DISCHARGE AT RL 520 |
509.77 CUMECS |
| |
(18000 CUSECS) |
| DISCHARGE AT RL 525 |
708.01 CUMECS (25000 CUSECS) |
|
(DESIGNED VALUES)
|
STORAGE CAPACITY OF POND I FROM RL 516 TO RL 521 = 7.10 M CUM (5764 ACFT.)
|
| B) 2ND REACH (PARTLY UNLINED & PARTLY LINED) |
| BED WIDTH IN UNLINED SECTION |
83.51 M (274 FT.) |
| BED WIDTH IN LINED SECTION |
52.42 M (172 FT.) |
| BED WIDTH IN HILL CHANNEL (FULLY LINED) |
38.40 M (126 FT.) |
| BED SCOPE |
1 IN 10000 |
| HILL CHANNEL |
1 IN 5000 |
| DISCHARGE |
368.11 CUMECS (13000 CUSEC) * |
| |
354.00 CUMES
|
| * DESIGNED VALUE BUT IN ACTUAL PRACTICE LIMITED TO (12,500 CUSECS.) |
| C) HEAD REGULATOR AT POND NO. I |
| NO. OF VENTS |
6 |
| SIZE OF VENTS |
7.62 X 3.048 M (25 FTX 10 FT.) |
| SILL LEVEL |
RL 505 |
| CAPACITY |
382.32 CUMECS (13500 CUSECS) |
| D) SYPHON SPILLWAY AT POND NO. I |
| CAPACITY |
566.41 CUMECS (20000 CUSECS) |
| PRIMING |
RL 521.30 |
| DEPRIMING |
RL 519.50 |
| E) CROSS REGULATOR AT RD 63 450 |
| NO OF VENTS |
3 |
| SIZE OF VENTS |
4.876X2.438 M (16'X5') |
| SILL LEVEL |
RL 500 |
| CAPACITY |
65.13 CUMECS (2300 CUSECS) |
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