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18.4.8 Supplying, fitting and fixing of Aluminium fins fixed vertically BDS 1879 : 2014 having 1.2 mm thick wall frame (Size 125mmx 50mm box section @ 75 mm c/c), fitted with 3 nos horizontal M.S. Angle (20 mm x 20 mm x 3 mm) will be anodized to aluminium of any colour with a coat not less than 15 micrones in thickness or powder coated to any colour with a coat not less than 25 micrones in thickness and density of 4 mg per square cm etc. including all accessories, rawl bolt,55 mm M6 royal bolt,screws, washer etc all complete and accepted by engineer in charge. (Rate is excluding cost of polish/ paint etc. of any type).

Considering 1 x10' -0'' x 5'-0" = 50sft

SL Item Name Quantity Unit Item Rate (Taka) Item Unit Unit Price (Taka) Sub Total (Taka)
1 125mm x 50 mm aluminium box section Cost of materials : (a)125mm x 50 mm aluminium box section at 75mm c/c : (21x10'-0''=210rft + Add 5% wastage=10.50rft )=220.50rft 220.5 rft 342 per foot 342 75411
2 M.S. angle, T and Z-section, Channel etc. (b)Fitting angle (20mm x 20 mm x 3mm ) : (2x5'-6''=11rft + Add 5% wastage=0.55rft)=11.55rft =3.52rm @0.871kg/rm 3.07kg 3.07 kg 70000 per M. ton 70 214.9
3 M.S. plain bar and F.I. bar (non-structural use) (c)Flat bar clamp (20mm x 3mm) : (21x3x0'-4''=21rft + Add 5% wastage=1.05rft)=22.05rft=6.72rm @0.471kg/rm 3.17kg 3.17 kg 70000 per M. ton 70 221.9
4 55 mm rowel bolt Rawl bolt (55mm M6 rawl bolt) 12 nos 21 each 21 252
6 Skilled technician Labour Charge : Skilled technician 0.75 nos 1200 per day 1200 900
7 Helper to carpenter/painter/plumber/rod binder/electrician/polish mistry/rig operator Helper 1.5 nos 550 per day 550 825
11 SS Screws Others : S.S Screws 21 x 3 x 4 = 21dozen 21 dozen 30 per doz. 30 630
12 Rivet, washer, wire nails etc. Washer 0.5 kg 90 per kg 90 45
5 M.S. Plate (125mm x125mm x 5mm) LS 300
8 Tools and Plant & sundries LS 250
9 Auxillary materials for do this work : Cost of scaffolding & carriage LS 300
10 Cost of welding with electricity LS 250
13 Local carriage and sundries LS 250
Sub-Total 79849.8
Contractor's Profit 10% 0.1 7984.98
Contractor's Overhead Expenses 3.5% 0.035 2794.74
Total 90629.52
Add VAT with adjustment factor. 1.08108 7.5% 0.075 7348.33
Grand Total 97977.85
Rate per sft 1959.56
Rate per sqm 21092.7
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