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34.40 mm, 32.10 mm, 25.4 mm inter-lock of 1.5 mm thick
2 x 4'-6"= 9 rft @ Tk.	81.00 per rft	=	Tk.	729.00
42.20 mm, 13.20 mm net section of 1.5 mm thick 2 x 4'-6"= 9 rft 2 x 2'-6"= 5 rft	53.00 per rft	=	Tk.	742.00
= 14 rft @ Tk.	53.00 per rft	=	Tk.	742.00
Fibre net mesh 2'-6" x 4'-6"= 11.25 sft @ Tk.	15.00 per sft	=	Tk.	168.75
	Total	=	Tk.	4,938.75
	Cutting wastage 3%	=	Tk.	148.16
	Sub total (A)	=	Tk.	5,086.91
(B) Cost of accessories:
Sliding window key lock 2 sets @ Tk.	80.00 per set	=	Tk.	160.00
Sliding window wheel 4 nos @ Tk.	70.00 each	=	Tk.	280.00
Sliding window mohiar 33 rft @ Tk.	1.30 per rft	=	Tk.	42.90
Sliding window neoprene 28 rft @ Tk.	2.70 per rft	=	Tk.	75.60
Sealant 100 gm @ Tk.	3.00 per gm	=	Tk.	300.00
Bolts and screws in/c sealants	LS	=	Tk.	192.00
	Sub total (B)	=	Tk.	1,050.50
(C) Labour charge for fabrication, assembling and fitting-fixing in position
Skilled technician 3/4 no @ Tk.	1,000.00 each	=	Tk.	750.00
Semi- skilled technician 3/4 no @ Tk.	600.00 each	=	Tk.	450.00
Tools and plant, sundries etc.	LS	=	Tk.	320.00
	Sub total (C)	=	Tk.	1,520.00
	Total (A+B+C)	=		7,657.41
	Profit 10.00%	=	Tk.	765.74
	Overhead 3.50%	=	Tk.	268.01
	Total	=	Tk.	8,691.16
Add VAT with adjustment factor	1.06383 6.00%	=	Tk.	554.76
	Grand Total	=	Tk.	9,245.92
	Rate per sft	=	Tk.	410.93
	Rate per sqm	=	Tk.	4,423.25
Say, Tk.	4,423 .00 per sqm

Item No.- 14.7.1.4
Supplying, fitting and fixing of aluminium sliding window (5'-0" x 4'-6") with mosquito net
(Powder coated approved colour) with double locking
Considering 1 No. window (A) Cost of aluminium section 1. 95.00 mm, 38.00 mm outer bottom of 1.5 mm thick 1 x 5'-0"= 5 rft @ Tk.	124.00 per rft	=	Tk.	620.00
2. 95.00 mm, 28.5 mm outer top of 1.5 mm thick 1 x 5'-0"= 5 rft @ Tk.	122.00 per rft	=	Tk.	610.00
3. 33 mm, 26.80 mm, 22 mm shutter top of 1.5 mm thick 1 x 4'-9"= 4.75 rft @ Tk.	66.00 per rft	=	Tk.	313.50
4. 60 mm, 24.40 mm shutter bottom of 1.5 mm thick 1 x 5'-0"= 5 rft @ Tk.	92.00 per rft	=	Tk.	460.00
5. 95.00 mm, 19.50 mm outer side of 1.5 mm thick 2 x 4'-6"= 9 rft @ Tk.	97.00 per rft	=	Tk.	873.00
6. 49.20 mm, 26.2 mm shutter lock of 1.5 mm thick 2 x 4'-6"= 9 rft @ Tk.	85.00 per rft	=	Tk.	765.00
7. 34.40 mm, 32.10 mm, 25.4 mm inter-lock of 1.5 mm thick