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27.4.2 Extra cost for test tube-well beyond 200 m depth

 

 

 

 

 

 

 

27.4.2.1 For 1 test tube-wells 115%

Say, Tk.

 

40

.00 per meter

 

27.4.2.2 For 2 test tube-wells 115%

 

 

 

 

 

Say, Tk.

 

61

.00 per meter

 

27.4.2.3 For 3 test tube-wells 115%

 

 

 

 

 

Say, Tk.

 

81

.00 per meter

 

 

 

 

 

 

 

 

 

Item No.- 27.5

 

 

 

 

 

 

Furnishing design of the production well by testing of water and soil samples collected

 

 

 

 

 

 

from the observation well in/c test for Arsenic from BRTC, BUET/reputed laboratory etc.

 

 

 

 

 

 

27.5.1 Taking consideration of 1 No. Test bore

 

 

 

LS

=

Tk.

16,800.00

(1) Cost for furnishing design of tube well

(2) Testing of water collected from the test bore:

 

 

 

 

 

 

 

  1. pH/Hydrogen ion density 1 test

@ Tk.

 

400.00

per test

=

Tk.

400.00

  1. Carbondioxide (CO2) 1 test

@ Tk.

 

300.00

per test

=

Tk.

300.00

  1. Chlorine (Cl) 1 test

@ Tk.

 

800.00

per test

=

Tk.

800.00

  1. Fluorine (Fl) 1 test

@ Tk.

 

600.00

per test

=

Tk.

600.00

  1. Iron (Fe) 1 test

@ Tk.

 

2,500.00

per test

=

Tk.

2,500.00

  1. Manganese (Mn) 1 test

@ Tk.

 

1,700.00

per test

=

Tk.

1,700.00

  1. Nitrate-Nitrogen (NO3-N) 1 test

@ Tk.

 

700.00

per test

=

Tk.

700.00

  1. Total alkalinity 1 test

@ Tk.

 

500.00

per test

=

Tk.

500.00

  1. Total hardness 1 test

@ Tk.

 

1,000.00

per test

=

Tk.

1,000.00

  1. Arsenic (As) 1 test

@ Tk.

 

1,700.00

per test

=

Tk.

1,700.00

  1. Turbidity 1 test

@ Tk.

 

400.00

per test

=

Tk.

400.00

 

 

 

 

 

 

Tk.

10,600.00

  1. Sieve analysis for sand 3 tests

@ Tk.

 

1,200.00

per test

=

Tk.

3,600.00

from different layer

 

 

.

 

 

 

 

(3) Maintaining the bore holes and tools and plants etc. at site untill

satisfactory results are obtained from laboratory, filling and sealing

the bore holes 1 no

@ Tk.

 

4,800.00

per test bore

=

Tk.

4,800.00

 

 

 

 

Sub - Total

=

Tk.

35,800.00

 

 

Profit

10.00%

=

Tk.

3,580.00

 

 

Overhead

3.50%

=

Tk.

1,253.00

 

 

 

 

Total

=

Tk.

40,633.00

Add VAT with adjustment factor

1.06383

6.00%

=

Tk.

2,593.60

 

 

 

 

Grand Total

=

Tk.

43,226.60

 

Say, Tk.

 

43,227 .00 each

 

 

 

27.5.2 Taking consideration of 2 nos Test bore

 

 

 

 

=

Tk.

22,400.00

  1. Cost for furnishing design of tube-well considering 2 bore
  1. Testing of water collected from 2 test bore

 

 

 

 

=

Tk.

21,200.00

  1. Sieve analysis for sand

from different layers 6 tests

@ Tk.

 

1,200.00

per test

=

Tk.

7,200.00

(3) Maintaining the bore holes and tools and plants etc. at site untill

satisfactory results are obtained from laboratory, filling and sealing

the bore holes 2 nos

@ Tk.

 

4,800.00

per test bore

=

Tk.

9,600.00

 

 

 

 

Sub - Total

 

Tk.

60,400.00

 

 

Profit

10.00%

=

Tk.

6,040.00

 

 

Overhead

3.50%

=

Tk.

2,114.00

 

 

 

 

Total

=

Tk.

68,554.00

Add VAT with adjustment factor

1.06383

6.00%

=

Tk.

4,375.79

 

 

 

 

Grand Total

=

Tk.

72,929.79

 

Say, Tk.

 

72,930 .00 each

 

 

 

27.5.3 Taking consideration of 3 nos Test bore

 

 

 

 

=

Tk.

33,600.00

(1) Cost for furnishing design of tube-well considering 3 bore