Technical Feasibility 

   Analysis

 

   Feasibility Analysis

   (In English)

 

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Section (See Fig. 5) Length in km

A-B

6.0

B-C

14.0

* C-D

38.0

* D-E

40.0

E-E1

14.6

E1-E2

19.8

E2-E3

14.4

E3-E4

5.4
Total

152.2

Table 1

 

 

Table 2

Dredging Requirement

 

Quantity of Dredged Material for 10m depth (9.15m draught) and 300m width Channel

Quantity : Million Cu.M   

 

Section  Bed Width Quanity Slope Quantity Tolerance Quantity Total Quantity
Adam's Bridge

A-B (CSD)

7.0

0.70

-

7.70

A-B (TSHD)

3.9

0.39

0.60

4.89 say 4.9

B-C (TSHD)

9.6

0.96

1.3

11.86 say 11.9
 

Total

    

24.45 say 24.5
Palk Strait        

E1-E2

2.4

0.24

1.79

4.43 say 4.45

E2-E3

8.2

0.82

1.29

10.31 say 10.35
 

Total

    

14.75 say 14.80

 

Quantity of Dredged Material for 12m depth (10.7m draught) and 300m width Channel

Quantity : Million Cu.M   

 

Section  Bed Width Quanity Slope Quantity Tolerance Quantity Total Quantity
Adam's Bridge

A-B (CSD)

7.0

0.70

-

7.70

A-B (TSHD)

7.5

0.75

0.60

8.85 say 8.9

B-C (TSHD)

18

1.80

1.3

21.1
 

Total

    

37.7 say 38
Palk Strait        

E-E1

1.72

0.17

1.29

3.18 say 3.2

E1-E2

14.25

1.43

1.79

17.46 say 17.5

E2-E3

16.84

1.68

1.29

19.81 say 19.8

E3-E4

2.43

0.24

0.49

3.16 say 3.2
 

Total

    

43.7 say 44

 

CSD     :             Cutter Suction Dredger

TSHD    :            Trailor Suction Hopper Dredger


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Table 3

Expected number of transits through the Sethusamuthram Channel

Rs. in Crores

Cargo

7m draught

 9m draught 11m draught
Transits Per year Savings (Rs) Transits Per year Savings (Rs) Transits Per year Savings (Rs)

POL & Specialized Cargo

282

 39.39 366 51.97 522 75.75
Dry Bulk Cargo 120 11.92 120 11.92 120 11.92
General Cargo 1306 16.82 1306 16.82 1362 19.81
Total 1708 68.13 1762 80.71 2004 107.48

 

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Table 4

Capital Cost for 10m Depth and 300 m Width Channel

 

Sl.No Description of Work Quantity million cum Rate Rs/Cum Amount in Rs. lakhs
1

Preliminary expenses including model studies hydrographic survey, land survey etc. at 1% of total cost

 - L.S 988
2

Cost of land acquisition

 - L.S 100
3

Dredging

      
 

i.    Mobilization and  de-mobilization charges at 5%

     3685
 

ii.   Dredging in Palk Bay by TSHD

      
 

      - Section E1 - E2

 4.45 250 11,125
 

      - Section E2 - E3

 10.35 210 21,735
 

iii.  Dredging in Adam's Bridge

      
 

      - A-B (CSD)

 7.7 225 17,325
 

      - A-B (TSHD)

 4.9 140 6,860
 

      - B-C (TSHD)

 11.9 140 16,660
 

iv.  Construction of Reclamation

     510
 

Sub total of dreging costs

     77900*
 

Sub total (1+2+3)

     78988
4.

Navigational Aids

      
 

i. Fairway buoy

 2 15 lakhs 30
 

ii. Channel Marker buoy

 115 10 lakhs 1150
 

iii. Racons 

 2 10 lakhs 20
 

iv.  Vessel Traffic Management System

 1 L.S 1000
5.

Flotilla

      
 

i. Harbour Tugs - 30 t bollard pull

 4 2000 lakhs 8000
 

ii. Pilot Launches - 30 m

 3 100 lakhs 300
 

iii.Mooring Launches - 10m 

 3 40 lakhs 120
 

iv.  Survey cum lighting launch

 1 150 lakhs 150
 

v.   Dispatch vessels with buoy laying arrangement

 1 300 lakhs 300
6.

 Service Jetties

 2 750 lakhs 1500
7.

 Slip way

 1 L.S 200
8.

 Buoy Yard

 - L.S 100
9.

 Repair Workshop

 - L.S 200
10.

 Staff and Administrative Building

 - L.S 2000
11.

 Electricity

 - L.S. 500
12.

 Water Supply

 - L.S. 200
 

  Sub Total

     94758
13.

Consultancy

 - L.S 5000
14.

Contingency and Supervision at 5%

 - L.S. 5242
 

 Total

     105,000 *

* Dredging costs will increase if blasting is required to be done in Palk Strait area to achieve desired depth L.S. : Lump Sum

    * Upward revision in total cost is envisaged if there is change in dredging costs  

     L.S. : Lump Sum

 

Table 5

Capital Cost for 12m Depth and 300 m Width Channel

Sl.No Description of Work Quantity million cum Rate Rs/Cum Amount in Rs. lakhs
1

Preliminary expenses including model studies hydrographic survey, land survey etc. at 1% of total cost

 - L.S 1839
2

Cost of land acquisition

 - L.S 100
3

Dredging

      
 

i.    Mobilization and  de-mobilization charges at 5%

     7976
 

ii.   Dredging in Palk Bay by TSHD

      
 

      - Section E - E1

 3.2  290 9,280
 

      - Section E1 - E2

 17.5 250 43,750
 

      - Section E2 - E3

 19.8 210 41,580
 

      - Section E3 - E4

 3.2 175 5,600
 

iii.  Dredging in Adam's Bridge

      
 

      - A-B (CSD)

 7.7 225 17,325
 

      - A-B (TSHD)

 8.9 140 12,460
 

      - B-C (TSHD)

 21.1 140 29,540
 

iv.  Construction of Reclamation

     489
 

Sub total of dreging costs

     168000*
 

Sub total (1+2+3)

     169939
4.

Navigational Aids

      
 

i. Fairway buoy

 2 15 lakhs 30
 

ii. Channel Marker buoy

 125 10 lakhs 1250
 

iii. Racons 

 2 10 lakhs 20
 

iv.  Vessel Traffic Management System

 1 L.S 1000
5.

Flotilla

      
 

i. Harbour Tugs - 30 t bollard pull

 4 2000 lakhs 8000
 

ii. Pilot Launches - 30 m

 3 100 lakhs 300
 

iii.Mooring Launches - 10m 

 3 40 lakhs 120
 

iv.  Survey cum lighting launch

 1 150 lakhs 150
 

v.   Dispatch vessels with buoy laying arrangement

 1 300 lakhs 300
6.

 Service Jetties

 2 750 lakhs 1500
7.

 Slip way

 1 L.S 200
8.

 Buoy Yard

 - L.S 100
9.

 Repair Workshop

 - L.S 200
10.

 Staff and Administrative Building

 - L.S 2000
11.

 Electricity

 - L.S. 500
12.

 Water Supply

 - L.S. 200
 

  Sub Total

     185809
13.

Consultancy

 - L.S 5000
14.

Contingency and Supervision at 5%

 - L.S. 9191
 

 Total

     200,000 *

* Dredging costs will increase if blasting is required to be done in Palk Strait area to achieve desired depth L.S. : Lump Sum

    * Upward revision in total cost is envisaged if there is change in dredging costs  

     L.S. : Lump Sum

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Cash  Flow                                                                (All values are in Rs. Lakhs)

Year

Capital

Revenue

Expenditure

Gross Surplus

Return of Capital

Interest 9% on declining capital

Net surplus or deficit

Cumulative surplus

 

 

 

 

 

 

 

 

1

30000.00

 

 

 

 

1350.00

-1350.00

-1350.00

2

60000.00

 

 

 

 

5400.00

-5400.00

-6750.00

3

60000.00

 

 

 

 

10800.00

-10800.00

-17550.00

4

50000.00

 

 

 

 

15750.00

-15750.00

-33300.00

5

 

8742.00

1500.00

7242.00

 

18000.00

-10758.00

-44058.00

6

 

9616.20

1575.00

8041.20

 

18000.00

-9958.80

-54016.80

7