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uS'kuy gkbMªksbySfDVªd ikoj dkjiksjs'ku fyñ Preliminary Feasibility Report Basania HE Project 3 X 30 MW 39 Km forms boundary between Maharashtra and Gujarat. The river has a number of falls in its head reaches, at 8 Km from source the river drops 21m to 24 m at Kapildhara falls, 0.4 Km further downstream it drops about by 4.6m at Dudhara falls. Flowing generally in southwesterly direction in narrow and deep valley the river takes pinhead turns at many places. Dhaundhara falls is located 404 Km from the source and is near Jabalpur where river falls 15m, after which it flows through marbles, after passing the marble rocks Narmada enters the upper fertile plains at Nandhar, 806 Km from source and at Dhardi, 47 Km further downstream the river drops 12 m at each place. At 966 Km from source Sahasradhara falls is located and river drops further by 6.7m, flowing further west the river enters the lower hilly regions and flows through a gorge. Convergence of Vindhyas from the north and Satpuras from the south towards the river forms the 113 Km gorge. Emerging from the gorge the river enters lower plains where it meanders in broad curves till it falls into Gulf of Cambay in the Arabian Sea near Bharuch in Gujarat. The river has 41 tributaries of which 22 on left side and 19 on the right, the important tributaries are Burhner, Banjar, Sher, Kharmer, Tawa, Chhota Tawa, Kundi, Shakker, Dudhi, Ganjal, Goi, Karjan, Hiran, Tendori, Barna, Kolar, Man, Uri, Hatni, Orsang etc. The catchment plan of Narmada basin up to Basania along with rainfall stations, G&D sites marked is shown as Plate 5.1. 5.2.1 CATCHMENT AREA The Narmada basin up to Basania proposed dam site lies between Longitude 80 o 24’5’’ E to 81 o 47’23’’ E and Latitude 21 o 59’40’’ N to 23 o 17’11’’ N. The catchment area up to the proposed dam site is 9472 sq.km. Most of the area lies in Mandla and Shahdol districts of Madhya Pradesh. The catchment areas of River Narmada up to Dindori G&D site is about 2388 sq.km., up to Manot G&D site is about 5025 sq.km and catchment areas of River Burhner, a tributary of Narmada, up to Mohgaon G&D site is about 4090 sq.km. NH/CON/229 23 01/2004
uS'kuy gkbMªksbySfDVªd ikoj dkjiksjs'ku fyñ 5.2.2 CLIMATE AND PRECIPITATION CHARACTERISTICS Preliminary Feasibility Report Basania HE Project 3 X 30 MW Extreme heat is experienced during summer, while climate is cool in winter. Summer temperatures as high as 41.53°C and winter temperatures as low as 8.27°C have been recorded at Mandla, Jabalpur and Umaria as shown in Table 5.1 & Figure 5.2. The relative humidity is as low as 19% in dry weather and as high as 86.67% in monsoon season. Relative humidity of the basin observed at stations Mandla, Jabalpur and Umaria as shown in Table 5.2. The tropic of cancer crosses the basin in upper plains area and a major portion of the basin lies just below this line. The climate of the basin is humid and tropical although at places extremes of heat and cold are often encountered. There are four distinct seasons in the year, namely (i) Cold weather (ii) Hot weather (iii) Southwest monsoon (iv)Post monsoon. In cold weather the mean annual temperature varies from 17.5 0 C to 20 0 C and in hot weather 25 0 C to 33.5 0 C. In southwest monsoon the temperature varies from 26 0 C to 27 0 C and in post monsoon 19.5 0 C to 24.5 0 C. The cold weather season that commences in December and continues till the end of February is characterized by bright cloudless days, clean nights and piercing winds. Frost is known to occur occasionally, hail too is not uncommon. There is slight precipitation in the basin during this season. The hot weather starts in March and continues up to the middle of June. May is usually the hottest month. This season remain dry except some thunderstorms. The southwest monsoon sets in by the mid of the June and withdrawal takes place in the first week of October. June to September are rainy months. During this season, the weather is somewhat sultry and oppressive, especially in areas adjoining the Narmada. In the post monsoon season, a few thunderstorms occur, especially in October. Thereafter, the weather clears up and dry pleasant weather prevails throughout the valley. Nearly 90% of the total rainfall is received during the five monsoon months from June to October. The annual normal rainfall is 1569.60mm. This is based on the annual normals of rainfall of the Mandla district shown in Table 5.3 & Figure 5.3. NH/CON/229 24 01/2004
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STATEMENT SHOWING IDC CALCULATION A
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UNIT COST OF ENERGY AT BUS BAR AT C
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BASANIA H. E. PROJECT, M. P. (3 X 3
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BASANIA H. E. PROJECT, M. P. (3 X 3
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Sl. No. DESCRIPTION UNIT QTY RATE (
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MW uS'kuy gkbMªksbySfDVªd ikoj dk
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BED LEVEL IN FEET 3600 1600 1200 40
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23°0` 22°15` 22°0` 80°15` 23°1
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1000 THICK DUMPED RIP RAP MDDL EL 4
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132KV BUS1 BUS PT-1 132kV BUS-II BU
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also match with details of equipmen
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