LIGHTNING



CHAPTER  6 – LIGHTNING CONDUCTOR

ICD No

Description

Unit

Qty

Rate

Amount (Rs.)

 

MATERIALS

 

 

 

 

2910

Lightning finial, 25 mm dia X 300 mm long, G.I.

each

1.00

127.00

127.00

2855

Steel fastener 6 mm X 75 mm

each

4.00

5.50

22.00

 

Total cost of materials

 

 

 

149.00

 

Cartage @ 1 % of A1

 

 

 

1.49

 

LABOUR

 

 

 

 

1001

Wireman

day

0.08

673.00

53.84

1010

Mason, Grade 2

day

0.08

612.00

48.96

1007

Khallasi

day

0.16

553.00

88.48

 

TOTAL

 

 

 

341.77

 

Add 12% GST (MF = 0.1405)

 

 

 

48.02

 

TOTAL

 

 

 

389.79

 

Add 15 % Over Head & Contractor Profit

 

 

 

58.47

 

TOTAL

 

 

 

448.26

 

Rate per Each

 

 

 

448.26

 

Say

 

 

 

448.00

6.3

Fixing of lightning conductor finial (single prong) with base plate including holes etc. complete as required. Details of cost for One each

 

 

 

 

 

MATERIALS

 

 

 

 

2855

Steel fastener 6 mm X 75 mm

each

4.00

5.50

22.00

 

Total cost of materials

 

 

 

22.00

 

Cartage @ 1 % of A1

 

 

 

0.22

 

LABOUR

 

 

 

 

1001

Wireman

day

0.08

673.00

53.84

1010

Mason, Grade 2

day

0.08

612.00

48.96

1007

Khallasi

day

0.16

553.00

88.48

 

TOTAL

 

 

 

213.50

 

Add 12% GST (MF = 0.1405)

 

 

 

30.00

 

TOTAL

 

 

 

243.50

 

Add 15 % Over Head & Contractor Profit

 

 

 

36.52

 

TOTAL

 

 

 

280.02

 

Rate per Each

 

 

 

280.02

 

Say

 

 

 

280.00

6.4

Jointing copper / G.I. tape (with another copper/ G I tape, base of the finial or any other metallic object) by riveting / nut bolting/ sweating and soldering etc as required. Details of cost for One each

 

 

 

 

 

MATERIALS

 

 

 

 

2860

6 mm dia rivet/ stud/ bolts and nuts

each

2.00

3.25

6.50

2940

Tin solder etc.

L.S.

1.00

6.00

6.00

 

Total cost of materials

 

 

 

12.50

 

Cartage @ 1 % of A1

 

 

 

0.13

 

LABOUR

 

 

 

 

1005

Fitter, Grade 2

day

0.05

612.00

30.60

1007

Khallasi

day

0.05

553.00

27.65

 

TOTAL

 

 

 

70.88

 

Add 12% GST (MF = 0.1405)

 

 

 

9.96

 

T OTAL

 

 

 

80.83

 

Add 15 % Over Head & Contractor Profit

 

 

 

12.12

 

TOTAL

 

 

 

92.96

 

Rate per Each

 

 

 

92.96

 

Say

 

 

 

93.00

6.7

Providing and fixing G.I. tape 20 mm X 3 mm thick on parapet or surface of wall for lightning conductor complete as required.(For horizontal run) Details of cost for 10 Metres

 

 

 

 

 

MATERIALS

 

 

 

 

2911

20 mm X  3 mm G.I. Tape ( 0.461 kg/mtr) =10+0.50(wastage@5%)=10.50m@ 0.461 kg/m=4.84 kg

kg

4.84

61.00

295.24

2917

GI saddle 20mm x 3mm

each

10.00

2.50

25.00

2857

PVC fastener 40mm long

each

10.00

0.30

3.00

2852

Iron screws, 35 mm X 6 mm

each

10.00

1.00

10.00

 

Total cost of materials 333.24

 

 

 

 

 

Cartage @ 1 % of A1 3.33

 

 

 

 

 

LABOUR

 

 

 

 

1001

Wireman

day

0.25

673.00

168.25

1010

Mason, Grade 2

day

0.130

612.00

79.56

1007

Khallasi

day

0.380

553.00

210.14

 

TOTAL

 

 

 

794.52

 

Add 12% GST (MF = 0.1405)

 

 

 

111.63

 

TOTAL

 

 

 

906.15

 

Add 15 % Over Head & Contractor Profit

 

 

 

135.92

 

Cost for 10 Metre

 

 

 

1042.08

 

Rate per Metre

 

 

 

104.21

 

Say

 

 

 

104.00

6.8

Providing and fixing G.I. tape 20 mm X 3 mm thick on parapet or surface of wall for lightning conductor complete as required.(For vertical run) Details of cost for 10 Metres

 

 

 

 

 

MATERIALS

 

 

 

 

2911

20 mm X  3 mm G.I. Tape ( 0.461 kg/mtr) =10+0.50(wastage@5%)=10.50m@0.461 kg/m =4.84 kg

kg

4.84

61.00

295.24

2917

GI saddle 20mm x 3mm

each

11.00

2.50

27.50

2857

PVC fastener 40mm long

each

11.00

0.30

3.30

2852

Iron screws, 35 mm X 6 mm

each

11.00

1.00

11.00

 

Total cost of materials

 

 

 

337.04

 

Cartage @ 1 % of A1

 

 

 

3.37

 

LABOUR

 

 

 

 

1001

Wireman

day

0.50

673.00

336.50

1010

Mason, Grade 2

day

0.25

612.00

153.00

1007

Khallasi

day

0.75

553.00

414.75

 

TOTAL

 

 

 

1244.66

 

Add 12% GST (MF = 0.1405)

 

 

 

174.87

 

TOTAL

 

 

 

1419.54

 

Add 15 % Over Head & Contractor Profit

 

 

 

212.93

 

Cost for 10 Metre

 

 

 

1632.47

 

Rate per Metre

 

 

 

163.25

 

Say

 

 

 

163.00

6.9

Fixing of copper/ G.I. tape 20 mm X 3 mm thick on parapet or surface of wall for lightning conductor complete as required.(For horizontal run) Details of cost for 10 Metres

 

 

 

 

 

MATERIALS

 

 

 

 

2917

GI saddle 20mm x 3mm

each

10.00

2.50

25.00

2857

PVC fastener 40mm long

each

10.00

0.30

3.00

2852

Iron screws, 35 mm X 6 mm

each

10.00

1.00

10.00

 

Total cost of materials

 

 

 

38.00

 

Cartage @ 1 % of A1

 

 

 

0.38

 

LABOUR

 

 

 

 

1001

Wireman

day

0.25

673.00

168.25

1010

Mason, Grade 2

day

0.130

612.00

79.56

1007

Khallasi

day

0.380

553.00

210.14

 

TOTAL

 

 

 

496.33

 

Add 12% GST (MF = 0.1405)

 

 

 

69.73

 

TOTAL

 

 

 

566.06

 

Add 15 % Over Head & Contractor Profit

 

 

 

84.91

 

Cost for 10 Metre

 

 

 

650.97

 

Rate per Metre

 

 

 

65.10

 

Say

 

 

 

65.0

6.10

Fixing of copper/ G.I. tape 20 mm X 3 mm thick on parapet or surface of wall for lightning conductor complete as required.(For vertical run) Details of cost for 10 Metres

 

 

 

 

 

MATERIALS

 

 

 

 

2917

GI saddle 20mm x 3mm

each

11.00

2.50

27.50

2857

PVC fastener 40mm long

each

11.00

0.30

3.30

2935

Cement, paint, sand etc.

L.S.

11.00

5.00

55.00

2852

Iron screws, 35 mm X 6 mm

each

11.00

1.00

11.00

 

Total cost of materials

 

 

 

96.80

 

Cartage @ 1 % of A1

 

 

 

0.97

 

LABOUR

 

 

 

 

1001

Wireman

day

0.50

673.00

336.50

1010

Mason, Grade 2

day

0.25

612.00

153.00

1007

Khallasi

day

0.75

553.00

414.75

 

TOTAL

 

 

 

1002.02

 

Add 12% GST (MF = 0.1405)

 

 

 

140.78

 

TOTAL

 

 

 

1142.80

 

Add 15 % Over Head & Contractor Profit

 

 

 

171.42

 

Cost for 10 Metre

 

 

 

1314.22

 

Rate per Metre

 

 

 

131.42

 

Say

 

 

 

131.00

6.12

Providing and fixing testing joint, made of 20 mm X 3 mm thick G.I. strip, 125 mm long, with 4 nos. of G.I. bolts, nuts, chuck nuts and spring washers etc. complete as required. Details of cost for One each

 

 

 

 

 

MATERIALS

 

 

 

 

2911

20 mm X  3 mm G.I. Tape ( 0.461 kg/mtr) = 0.125 + 0.006 (Wastage @ 5%) = 0.131m @ 0.461kg/m = 0.067 kg

kg

0.06

61.00

3.66

 

2866 10 mm X 25 mm long G.I. bolt with nut etc

each

4.00

9.30

37.20

 

Total cost of materials

 

 

 

40.86

 

Cartage @ 1 % of A1

 

 

 

0.41

 

LABOUR

 

 

 

 

1001

Wireman

day

0.030

673.00

20.19

1007

Khallasi

day

0.030

553.00

16.59

 

TOTAL

 

 

 

78.05

 

Add 12% GST (MF = 0.1405)

 

 

 

10.97

 

TOTAL

 

 

 

89.01

 

Add 15 % Over Head & Contractor Profit

 

 

 

13.35

 

TOTAL

 

 

 

102.37

 

Rate per Each

 

 

 

102.37

 

Say

 

 

 

102.0

6.14

Providing and laying G.I. tape 32 mm X 6 mm from earth electrode directly in ground as required. Details of cost for 10 Metres

 

 

 

 

 

MATERIALS

 

 

 

 

2914

32 mm X  6 mm G.I. Tape ( 1.475 kg/mtr) = 10 + 0.50 (wastage @ 5%) = 10.50m @ 1.475 kg/m = 15.49 kg

kg

15.49

55.00

851.95

 

Total cost of materials

 

 

 

851.95

 

Cartage @ 1 % of A1

 

 

 

8.52

 

LABOUR

 

 

 

 

1001

Wireman

day

0.165

673.00

111.05

1007

Khallasi

day

0.165

553.00

91.25

1007

Khallasi

day

0.50

553.00

276.50

 

TOTAL

 

 

 

1339.27

 

Add 12% GST applicable on work contract, by reversible method (multiplying factor 0.1405)

 

 

 

188.17

 

TOTAL

 

 

 

1527.44

 

Add 15 % Over Head & Contractor Profit

 

 

 

229.12

 

Cost for 10 Metre

 

 

 

1756.55

 

Rate per Metre

 

 

 

175.66

 

Say

 

 

 

176.00

6.15

Laying copper/ G.I. tape 32 mm X 6 mm from earth electrode directly in ground as required. Details of cost for 10 Metre

 

 

 

 

 

LABOUR

 

 

 

 

1001

Wireman

day

0.165

673.00

111.05

1007

Khallasi

day

0.165

553.00

91.25

1007

Khallasi

day

0.50

553.00

276.50

 

Add 12% GST applicable on work contract, by reversible method (multiplying factor 0.1405)

 

 

 

67.27

 

TOTAL

 

 

 

546.07

 

Add 15 % Over Head & Contractor Profit

 

 

 

81.91

 

Cost for 10 Metre

 

 

 

627.98

 

Rate per Metre

 

 

 

62.80

 

Say

 

 

 

63.00

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