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14.19 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 100 mm , 50mm, 2mm 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 9'-0"X9'-7" = 86.22 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) ((4X9'-0'=36rft + 4X9'-7'=38.32rft)=74.32rft + Add 3% wastage=2.2296rft)=76.55rft 76.55 rft 365.5 per foot 365.5 27979.02
2 Casement shutter section(58.40mmX37.20 mm X 57.40mm X 3.0 mm)(Powder coated at any colour) 2)Casement outer section(58.40mmX37.20mmX57.40mmX3.0mm)((2X2X3'-2'=12.68rft + 2X2X3'-0'=12rft)=24.68rft + Add 3% wastage=0.7404rft)=25.42rft 25.42 rft 208 per foot 208 5287.36
3 Aluminium angle (50mm X 50 mm X 6mm)(Powder coated at any colour) 3)Aluminium angle(50mmX50mmX6mm)(20X4'=6.60rft + Add 3% wastage=0.198rft)=6.80rft 6.8 rft 294 per foot 294 1999.2
4 Aluminium cover (63.50mm X 25.60 mm X 2.0mm(Powder coated at any colour) 4)Aluminium cover(63.50mmX25.60mmX2mm)(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 32 pcs 42 each 42 1344
7 S.S. screws 2. 2" SS Screw 65 pcs 2.5 each 2.5 162.5
8 Rivet 3. Rivets (Big) 230 pcs 5 each 5 1150
9 Rivets (normal) 4. Rivets (Normal) 40 pcs 2 each 2 80
10 Norton Tap 5. Norton Tap 72 pcs 28 each 28 2016
11 Masking tape 6. Masking tape 1 pcs 25 each 25 25
12 Dow coling silicon gum 7. Dow coling silicon gum 6 pcs 675 pcs 675 4050
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 2 pcs 405 each 405 810
16 Arm lock 11. Arm lock 4 pcs 420 each 420 1680
17 M.S. angle 12. M.S. angle 16 pcs 115 each 115 1840
18 Skilled technician C) a) Labour Charge: i) Skilled Technician 10 nos 1200 per day 1200 12000
19 Semi skilled technician ii) Semi-Skilled Technician 10 nos 800 per day 800 8000
20 Ordinary labour iii) Machineries 1 LS 550 per day 1375 1375
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 859.38 859.38
24 Ordinary labour E) Carriage and Sundries 1 LS 550 per day 1375 1375
Sub-Total 79099.73
Contractor's Profit 10% 0.1 7909.97
Contractor's Overhead Expenses 3.5% 0.035 2768.49
Total 89778.19
Add VAT with adjustment factor. 1.08108 7.5% 0.075 7279.31
Grand Total 97057.5
Rate per sft 1125.7
Rate per sqm 12117.03
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