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14.20 Supplying, fitting and fixing of aluminium curtain wall and aluminium top hung/casement windows ad per the US Architectural Aluminium Manufacturer's Association (AAMA) standard specification and BDS 1879:2014 having 50 mm , 50 mm, 2 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 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 (50mm X 50 mm X 2.00 mm)(Powder coated at any colour) A)Cost of Materials:1)Curtain wall sub millium(50mmX50mmX2mm)((4X9'-0'=36rft + 4X9'-7'=38.32rft)=74.32rft + Add 3% wastage=2.2296rft)=76.55rft 76.55 rft 243 per foot 243 18601.65
2 Casement shutter section(58.40mmX37.20 mm X 57.40mm X 3.0 mm)(Powder coated at any colour) 2)Casement outer section(58.40mmX37.20mmX57.40mmX3mm)((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(63.5mmX25.6mmX2mm)(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 64 pcs 2.5 each 2.5 160
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. Sealent 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 69719.86
Contractor's Profit 10% 0.1 6971.99
Contractor's Overhead Expenses 3.5% 0.035 2440.2
Total 79132.05
Add VAT with adjustment factor. 1.08108 7.5% 0.075 6416.11
Grand Total 85548.16
Rate per sft 992.21
Rate per sqm 10680.15
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