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14.21 Supplying, fitting and fixing of aluminium curtain wall along with 10 mm thick clear tempered glass as per the US Architectural aluminium Manufacturer's Association (AAMA) Standard Specification and BDS 1879:2014 having 115 mm , 64 mm, 3 mm curtain wall sub-mullim outer and inner frame, 3.0 mm thick casement shutter (size 58.40 mm, 37.20 mm,57.40 mm ) ,1.2 mm thick shutter glass strips, all aluminium member will be powder coated with coat not less than 1.5 micron in thickness including all accessories 4 bar hinge casement handle, 50 m x 50mm x 6m aluminium angle, steel rowel bolt, screws , rivets norton tape masking tape, structural sealant, gum bracket rod etc. all complete in all respect as per drawing and direction of the Engineer-in-charge.

Considering : 1X 9'-0"X12'-6" = 112.50 sft

SL Item Name Quantity Unit Item Rate (Taka) Item Unit Unit Price (Taka) Sub Total (Taka)
1 Curtain wall sub mullium (100mm X 50 mm X 2.00 mm)(Powder coated at any colour) A)Cost of Materials:1)Curtain wall sub mullium(100mmX50mmX2mm)((3X12'-6'=37.5rft + 3X9'-0'=27rft)=64.5rft + Add 5% wastage=3.225rft)=67.73rft 67.73 rft 365.5 per foot 365.5 24755.32
2 Curtain wall jointer 2)jointer(2X2X1'-0'=2rft + Add 5% wastage=0.1rft)=2.1rft 2.1 rft 345 each 345 724.5
3 10 mm clear tempered glass 3)10mm thick clear tempered glass(9X12'-6'=112.5sft + Add 15% wastage=16.875sft)=129.38sft 129.38 sft 280 sft 280 36226.4
4 Casement shutter section(58.40mmX37.20 mm X 57.40mm X 3.0 mm)(Powder coated at any colour) 4)Casement outer section(58.4mmX37.2mmX57.4mmX3mm)((2X2X3'-2'=12.68rft + 2X2X3'-0'=12.00rft)=24.68rft + Add 3% wastage=0.7404rft)=25.42rft 25.42 rft 208 per foot 208 5287.36
5 Aluminium angle (50mm X 50 mm X 6mm)(Powder coated at any colour) 5)Aluminium angle(50mmX50mmX6mm)(20X4'=6.6rft + Add 3% wastage=0.198rft)=6.8rft 6.8 rft 294 per foot 294 1999.2
6 Aluminium cover (63.50mm X 25.60 mm X 2.0mm(Powder coated at any colour) 6)Aluminium cover(63.5mmX25.6mmX2mm)(24X3'=6rft + Add 3% wastage=0.18rft)=6.18rft 6.18 rft 81.5 per foot 81.5 503.67
7 50mm X 6 mm X 2 mm angle for casement shutter(Powder coated at any colour) 7)50mmX6mmX2mm angle for casement shutter(16X2'=2.72rft + Add 3% wastage=0.0816rft)=2.8rft 2.8 rft 82 per foot 82 229.6
8 Steel rowel bolt B) Hard ware accessories:1. Steel rowel bolt 24 pcs 42 each 42 1008
9 S.S. screws 2. 2" SS Screw 65 pcs 2.5 each 2.5 162.5
10 Rivet 3. Rivets (Big) 230 pcs 5 each 5 1150
11 Rivets (normal) 4. Rivets (Normal) 40 pcs 2 each 2 80
12 Norton Tap 5. Norton Tap 72 pcs 28 each 28 2016
13 Masking tape 6. Masking tape 1 pcs 25 each 25 25
14 Dow coling silicon gum 7. Dow coling silicon gum 5 pcs 675 pcs 675 3375
15 Casement 4-bar huge 8. Casement 4-bar huge 4 pcs 520 each 520 2080
16 Casement handle 9. Casement handle 2 pcs 252 each 252 504
17 M.S. angle 10. M.S. angle 12 pcs 115 each 115 1380
18 Skilled technician C) a) Labour Charge: i) Skilled Technician 9 nos 1200 per day 1200 10800
19 Semi skilled technician ii) Semi-Skilled Technician 9 nos 800 per day 800 7200
20 Ordinary labour iii) Machineries 1 LS 550 per day 1031.25 1031.25
21 Ordinary labour D) Cost of high scaffolding 1 LS 550 per day 859.38 859.38
22 Ordinary labour E) Carriage and Sundries 1 LS 550 per day 859.38 859.38
Sub-Total 102256.56
Contractor's Profit 10% 0.1 10225.66
Contractor's Overhead Expenses 3.5% 0.035 3578.98
Total 116061.2
Add VAT with adjustment factor. 1.08108 7.5% 0.075 9410.36
Grand Total 125471.56
Rate per sft 1115.31
Rate per sqm 12005.2
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