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31.3.2 Additional charge for bore hole depth above 20 to 30m
Boring Cost				per bore	=	Tk.	5,538.75
SPT Cost				per bore	=	Tk.	1,614.24
Collection of Samples & visual soil classification				per bore	=	Tk.	1,500.00
Soil Report Preparation & Submission				per bore	=	Tk.	500.00
				Sub - Total	=	Tk.	9,152.99
			Profit	10.00%	=	Tk.	915.30
			Overhead	3.50%	=	Tk.	320.35
				Total	=	Tk.	10,388.64
Add VAT with adjustment factor			1.06383	6.00%	=	Tk.	663.10
				Grand Total	=	Tk.	11,051.74
				Rate per meter =		Tk.	227.17
	Say,	Tk.	216	.00 per meter
31.3.3 Additional charge for bore hole depth 30 to 40m				per bore	=	Tk.	8,123.50
Boring Cost				per bore	=	Tk.	8,123.50
SPT Cost				per bore	=	Tk.	2,152.32
Collection of Samples & visual soil classification				per bore	=	Tk.	1,500.00
Soil Report Preparation & Submission				per bore	=	Tk.	500.00
				Sub - Total	=	Tk.	12,275.82
			Profit	10.00%	=	Tk.	1,227.58
			Overhead	3.50%	=	Tk.	429.65
				Total	=	Tk.	13,933.05
Add VAT with adjustment factor			1.06383	6.00%	=	Tk.	889.34
				Grand Total	=	Tk.	14,822.39
				Rate per meter =		Tk.	251.38
	Say,	Tk.	239	.00 per meter
31.3.4 Additional charge for bore hole depth 40 to 50m				per bore	=	Tk.	10,919.25
Boring Cost				per bore	=	Tk.	10,919.25
SPT Cost				per bore	=	Tk.	2,690.40
Collection of Samples & visual soil classification				per bore	=	Tk.	1,500.00
Soil Report Preparation & Submission				per bore	=	Tk.	500.00
				Sub - Total	=	Tk.	15,609.65
			Profit	10.00%	=	Tk.	1,560.97
			Overhead	3.50%	=	Tk.	546.34
				Total	=	Tk.	17,716.96
Add VAT with adjustment factor			1.06383	6.00%	=	Tk.	1,130.87
				Grand Total	=	Tk.	18,847.83
				Rate per meter =		Tk.	268.36
	Say,	Tk.	255	.00 per meter

Item No.- 31.4
Installation of boring equipment at site: For depth of water above 1500 mm
Considering 1 point (a) Man-power Foreman (1 x 1/16) 0.06 manday	@	Tk.	800.00	each	=	Tk.	48.00
Rig operators (1 x 1/8) 0.13 manday	@	Tk.	600.00	each	=	Tk.	78.00
Skilled labour (6 x 1/8) 0.75 manday	@	Tk.	390.00	each	=	Tk.	292.50
Unskilled labour (2 x 1/8) 0.25 manday (b) Material Bamboo for platform (using 6 times) 268 rft Wooden plank (using 6times) 10 x 8'-0" x 12" x 1.5"= 12 cft	@ @ @	Tk. Tk. Tk.	320.00 15.00 650.00	each per rft per cft	= = =	Tk. Tk. Tk.	80.00 670.00 1,300.00
Rope (using 4 times) 8 kg	@	Tk.	60.00	per kg	=	Tk.	120.00
Hire charge of small boat 1 no	@	Tk.	700.00	each	=	Tk.	700.00