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14.18 Supplying, fitting and fixing of aluminium curtain wall with aluminium top hung/casement windows as per the US Architectural Aluminium Manufacturer's Association (AAMA) standard specification and BDS 1879:2014 having 134mm , 70mm, 3.5mm 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 mm x 50 mm x 6 mm 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 12'-0"X24'-0" = 264.00 sft

SL Item Name Quantity Unit Item Rate (Taka) Item Unit Unit Price (Taka) Sub Total (Taka)
1 Curtain wall sub mullium (134mm X70 mm X 3.5 mm)(Powder coated at any colour) A)Cost of Materials:1)Curtain wall sub mullium (134mmX70mmX3.5mm) ((4X24'-0'=96rft + 9X12'-0'=108rft)=204rft + Add 3% wastage=6.12rft)=210.12rft 210.12 rft 835 per foot 835 175450.2
2 Casement shutter section(58.40mmX37.20 mm X 57.40mm X 3.0 mm)(Powder coated at any colour) 2)Casement outer section (58.40mmX37.20mmX57.40mm X3mm) ((2X2X3'-9'=15rft + 2X2X2'-9'=11rft)=26rft + Add 3% wastage=0.78rft)=26.78rft 26.78 rft 208 per foot 208 5570.24
3 Aluminium angle (50mm X 50 mm X 6mm)(Powder coated at any colour) 3)Aluminium angle(50mmX50mmX6mm) (50X4"=16.50rft + Add 3% wastage=0.495rft)=17rft 17 rft 294 per foot 294 4998
4 Aluminium cover (63.50mm X 25.60 mm X 2.0mm(Powder coated at any colour) 4)Aluminium cover(63.50mmX25.60mmX2.0mm)(24X3"=6rft + Add 3% wastage=0.18rft)=6.18rft 6.18 rft 81.5 per foot 81.5 503.67
5 50mm X 6 mm X 2 mm angle for casement shutter(Powder coated at any colour) 5)50mmX6mmX2mm angle for casement shutter (16X2"=2.72rft + Add 3% wastage=0.0816rft)=2.80rft 2.8 rft 82 per foot 82 229.6
6 Steel rowel bolt B) Hard ware accessories: 1. Steel rowel bolt 44 pcs 42 each 42 1848
7 S.S. screws 2. 2" SS Screw 88 pcs 2.5 each 2.5 220
8 Rivet 3. Rivets (Big) 200 pcs 5 each 5 1000
9 Rivets (normal) 4. Rivets (Normal) 40 pcs 2 each 2 80
10 Norton Tap 5. Norton Tap 216 pcs 28 each 28 6048
11 Masking tape 6. Masking tape 6 pcs 25 each 25 150
12 Dow coling silicon gum 7. Dow coling silicon gum 18 pcs 675 pcs 675 12150
13 Casement 4-bar huge 8. Casement 4-bar huge 4 pcs 520 each 520 2080
14 Casement handle 9. Casement handle 2 pcs 252 each 252 504
15 Sealant Gum 10. Sealant Gum 6 pcs 405 each 405 2430
16 Arm lock 11. Arm lock 4 pcs 420 each 420 1680
17 M.S. angle 12. M.S. angle 22 pcs 115 each 115 2530
18 Skilled technician C) a) Labour Charge: i) Skilled Technician 21 nos 1200 per day 1200 25200
19 Semi skilled technician ii) Semi-Skilled Technician 21 nos 800 per day 800 16800
20 Ordinary labour iii) Machineries 1 LS 550 per day 1718.75 1718.75
21 Mason / Mosaic mistry b) Labour cost for civil work i) Mason 3 nos 700 per day 700 2100
22 Ordinary labour ii) Ordinary Labour 3 nos 550 per day 550 1650
23 Ordinary labour D) Cost of high scaffolding 1 LS 550 per day 1375 1375
24 Ordinary labour E) Carriage and Sundries 1 LS 550 per day 1718.75 1718.75
Sub-Total 268034.21
Contractor's Profit 10% 0.1 26803.42
Contractor's Overhead Expenses 3.5% 0.035 9381.2
Total 304218.83
Add VAT with adjustment factor. 1.08108 7.5% 0.075 24666.37
Grand Total 328885.2
Rate per sft 1245.78
Rate per sqm 13409.58
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